Sweden-Number/dlls/gdi32/dibdrv/primitives.c

5564 lines
202 KiB
C

/*
* DIB driver primitives.
*
* Copyright 2011 Huw Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include "gdi_private.h"
#include "dibdrv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dib);
/* Bayer matrices for dithering */
static const BYTE bayer_4x4[4][4] =
{
{ 0, 8, 2, 10 },
{ 12, 4, 14, 6 },
{ 3, 11, 1, 9 },
{ 15, 7, 13, 5 }
};
static const BYTE bayer_16x16[16][16] =
{
{ 0, 128, 32, 160, 8, 136, 40, 168, 2, 130, 34, 162, 10, 138, 42, 170 },
{ 192, 64, 224, 96, 200, 72, 232, 104, 194, 66, 226, 98, 202, 74, 234, 106 },
{ 48, 176, 16, 144, 56, 184, 24, 152, 50, 178, 18, 146, 58, 186, 26, 154 },
{ 240, 112, 208, 80, 248, 120, 216, 88, 242, 114, 210, 82, 250, 122, 218, 90 },
{ 12, 140, 44, 172, 4, 132, 36, 164, 14, 142, 46, 174, 6, 134, 38, 166 },
{ 204, 76, 236, 108, 196, 68, 228, 100, 206, 78, 238, 110, 198, 70, 230, 102 },
{ 60, 188, 28, 156, 52, 180, 20, 148, 62, 190, 30, 158, 54, 182, 22, 150 },
{ 252, 124, 220, 92, 244, 116, 212, 84, 254, 126, 222, 94, 246, 118, 214, 86 },
{ 3, 131, 35, 163, 11, 139, 43, 171, 1, 129, 33, 161, 9, 137, 41, 169 },
{ 195, 67, 227, 99, 203, 75, 235, 107, 193, 65, 225, 97, 201, 73, 233, 105 },
{ 51, 179, 19, 147, 59, 187, 27, 155, 49, 177, 17, 145, 57, 185, 25, 153 },
{ 243, 115, 211, 83, 251, 123, 219, 91, 241, 113, 209, 81, 249, 121, 217, 89 },
{ 15, 143, 47, 175, 7, 135, 39, 167, 13, 141, 45, 173, 5, 133, 37, 165 },
{ 207, 79, 239, 111, 199, 71, 231, 103, 205, 77, 237, 109, 197, 69, 229, 101 },
{ 63, 191, 31, 159, 55, 183, 23, 151, 61, 189, 29, 157, 53, 181, 21, 149 },
{ 255, 127, 223, 95, 247, 119, 215, 87, 253, 125, 221, 93, 245, 117, 213, 85 },
};
static inline DWORD *get_pixel_ptr_32(const dib_info *dib, int x, int y)
{
return (DWORD *)((BYTE*)dib->bits.ptr + y * dib->stride + x * 4);
}
static inline DWORD *get_pixel_ptr_24_dword(const dib_info *dib, int x, int y)
{
return (DWORD *)((BYTE*)dib->bits.ptr + y * dib->stride) + x * 3 / 4;
}
static inline BYTE *get_pixel_ptr_24(const dib_info *dib, int x, int y)
{
return (BYTE*)dib->bits.ptr + y * dib->stride + x * 3;
}
static inline WORD *get_pixel_ptr_16(const dib_info *dib, int x, int y)
{
return (WORD *)((BYTE*)dib->bits.ptr + y * dib->stride + x * 2);
}
static inline BYTE *get_pixel_ptr_8(const dib_info *dib, int x, int y)
{
return (BYTE*)dib->bits.ptr + y * dib->stride + x;
}
static inline BYTE *get_pixel_ptr_4(const dib_info *dib, int x, int y)
{
return (BYTE*)dib->bits.ptr + y * dib->stride + x / 2;
}
static inline BYTE *get_pixel_ptr_1(const dib_info *dib, int x, int y)
{
return (BYTE*)dib->bits.ptr + y * dib->stride + x / 8;
}
static const BYTE pixel_masks_4[2] = {0xf0, 0x0f};
static const BYTE pixel_masks_1[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
static inline void do_rop_32(DWORD *ptr, DWORD and, DWORD xor)
{
*ptr = (*ptr & and) ^ xor;
}
static inline void do_rop_16(WORD *ptr, WORD and, WORD xor)
{
*ptr = (*ptr & and) ^ xor;
}
static inline void do_rop_8(BYTE *ptr, BYTE and, BYTE xor)
{
*ptr = (*ptr & and) ^ xor;
}
static inline void do_rop_mask_8(BYTE *ptr, BYTE and, BYTE xor, BYTE mask)
{
*ptr = (*ptr & (and | ~mask)) ^ (xor & mask);
}
static inline void do_rop_codes_32(DWORD *dst, DWORD src, struct rop_codes *codes)
{
do_rop_32( dst, (src & codes->a1) ^ codes->a2, (src & codes->x1) ^ codes->x2 );
}
static inline void do_rop_codes_16(WORD *dst, WORD src, struct rop_codes *codes)
{
do_rop_16( dst, (src & codes->a1) ^ codes->a2, (src & codes->x1) ^ codes->x2 );
}
static inline void do_rop_codes_8(BYTE *dst, BYTE src, struct rop_codes *codes)
{
do_rop_8( dst, (src & codes->a1) ^ codes->a2, (src & codes->x1) ^ codes->x2 );
}
static inline void do_rop_codes_mask_8(BYTE *dst, BYTE src, struct rop_codes *codes, BYTE mask)
{
do_rop_mask_8( dst, (src & codes->a1) ^ codes->a2, (src & codes->x1) ^ codes->x2, mask );
}
static inline void do_rop_codes_line_32(DWORD *dst, const DWORD *src, struct rop_codes *codes, int len)
{
for (; len > 0; len--, src++, dst++) do_rop_codes_32( dst, *src, codes );
}
static inline void do_rop_codes_line_rev_32(DWORD *dst, const DWORD *src, struct rop_codes *codes, int len)
{
for (src += len - 1, dst += len - 1; len > 0; len--, src--, dst--)
do_rop_codes_32( dst, *src, codes );
}
static inline void do_rop_codes_line_16(WORD *dst, const WORD *src, struct rop_codes *codes, int len)
{
for (; len > 0; len--, src++, dst++) do_rop_codes_16( dst, *src, codes );
}
static inline void do_rop_codes_line_rev_16(WORD *dst, const WORD *src, struct rop_codes *codes, int len)
{
for (src += len - 1, dst += len - 1; len > 0; len--, src--, dst--)
do_rop_codes_16( dst, *src, codes );
}
static inline void do_rop_codes_line_8(BYTE *dst, const BYTE *src, struct rop_codes *codes, int len)
{
for (; len > 0; len--, src++, dst++) do_rop_codes_8( dst, *src, codes );
}
static inline void do_rop_codes_line_rev_8(BYTE *dst, const BYTE *src, struct rop_codes *codes, int len)
{
for (src += len - 1, dst += len - 1; len > 0; len--, src--, dst--)
do_rop_codes_8( dst, *src, codes );
}
static inline void do_rop_codes_line_4(BYTE *dst, int dst_x, const BYTE *src, int src_x,
struct rop_codes *codes, int len)
{
BYTE src_val;
for (src += src_x / 2, dst += dst_x / 2; len > 0; len--, dst_x++, src_x++)
{
if (dst_x & 1)
{
if (src_x & 1) src_val = *src++;
else src_val = *src >> 4;
do_rop_codes_mask_8( dst++, src_val, codes, 0x0f );
}
else
{
if (src_x & 1) src_val = *src++ << 4;
else src_val = *src;
do_rop_codes_mask_8( dst, src_val, codes, 0xf0 );
}
}
}
static inline void do_rop_codes_line_rev_4(BYTE *dst, int dst_x, const BYTE *src, int src_x,
struct rop_codes *codes, int len)
{
BYTE src_val;
src_x += len - 1;
dst_x += len - 1;
for (src += src_x / 2, dst += dst_x / 2; len > 0; len--, dst_x--, src_x--)
{
if (dst_x & 1)
{
if (src_x & 1) src_val = *src;
else src_val = *src-- >> 4;
do_rop_codes_mask_8( dst, src_val, codes, 0x0f );
}
else
{
if (src_x & 1) src_val = *src << 4;
else src_val = *src--;
do_rop_codes_mask_8( dst--, src_val, codes, 0xf0 );
}
}
}
static inline void do_rop_codes_line_1(BYTE *dst, int dst_x, const BYTE *src, int src_x,
struct rop_codes *codes, int len)
{
BYTE src_val;
for (src += src_x / 8, dst += dst_x / 8; len > 0; len--, dst_x++, src_x++)
{
src_val = *src & pixel_masks_1[src_x & 7] ? 0xff : 0;
do_rop_codes_mask_8( dst, src_val, codes, pixel_masks_1[dst_x & 7] );
if ((src_x & 7) == 7) src++;
if ((dst_x & 7) == 7) dst++;
}
}
static inline void do_rop_codes_line_rev_1(BYTE *dst, int dst_x, const BYTE *src, int src_x,
struct rop_codes *codes, int len)
{
BYTE src_val;
src_x += len - 1;
dst_x += len - 1;
for (src += src_x / 8, dst += dst_x / 8; len > 0; len--, dst_x--, src_x--)
{
src_val = *src & pixel_masks_1[src_x & 7] ? 0xff : 0;
do_rop_codes_mask_8( dst, src_val, codes, pixel_masks_1[dst_x & 7] );
if ((src_x & 7) == 0) src--;
if ((dst_x & 7) == 0) dst--;
}
}
static void solid_rects_32(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
{
DWORD *ptr, *start;
int x, y, i;
for(i = 0; i < num; i++, rc++)
{
start = get_pixel_ptr_32(dib, rc->left, rc->top);
for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 4)
for(x = rc->left, ptr = start; x < rc->right; x++)
do_rop_32(ptr++, and, xor);
}
}
static void solid_rects_24(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
{
DWORD *ptr, *start;
BYTE *byte_ptr, *byte_start;
int x, y, i;
DWORD and_masks[3], xor_masks[3];
and_masks[0] = ( and & 0x00ffffff) | ((and << 24) & 0xff000000);
and_masks[1] = ((and >> 8) & 0x0000ffff) | ((and << 16) & 0xffff0000);
and_masks[2] = ((and >> 16) & 0x000000ff) | ((and << 8) & 0xffffff00);
xor_masks[0] = ( xor & 0x00ffffff) | ((xor << 24) & 0xff000000);
xor_masks[1] = ((xor >> 8) & 0x0000ffff) | ((xor << 16) & 0xffff0000);
xor_masks[2] = ((xor >> 16) & 0x000000ff) | ((xor << 8) & 0xffffff00);
for(i = 0; i < num; i++, rc++)
{
if(rc->left >= rc->right) continue;
if((rc->left & ~3) == (rc->right & ~3)) /* Special case for lines that start and end in the same DWORD triplet */
{
byte_start = get_pixel_ptr_24(dib, rc->left, rc->top);
for(y = rc->top; y < rc->bottom; y++, byte_start += dib->stride)
{
for(x = rc->left, byte_ptr = byte_start; x < rc->right; x++)
{
do_rop_8(byte_ptr++, and_masks[0] & 0xff, xor_masks[0] & 0xff);
do_rop_8(byte_ptr++, and_masks[1] & 0xff, xor_masks[1] & 0xff);
do_rop_8(byte_ptr++, and_masks[2] & 0xff, xor_masks[2] & 0xff);
}
}
}
else
{
start = get_pixel_ptr_24_dword(dib, rc->left, rc->top);
for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 4)
{
ptr = start;
switch(rc->left & 3)
{
case 1:
do_rop_32(ptr++, and_masks[0] | 0x00ffffff, xor_masks[0] & 0xff000000);
do_rop_32(ptr++, and_masks[1], xor_masks[1]);
do_rop_32(ptr++, and_masks[2], xor_masks[2]);
break;
case 2:
do_rop_32(ptr++, and_masks[1] | 0x0000ffff, xor_masks[1] & 0xffff0000);
do_rop_32(ptr++, and_masks[2], xor_masks[2]);
break;
case 3:
do_rop_32(ptr++, and_masks[2] | 0x000000ff, xor_masks[2] & 0xffffff00);
break;
}
for(x = (rc->left + 3) & ~3; x < (rc->right & ~3); x += 4)
{
do_rop_32(ptr++, and_masks[0], xor_masks[0]);
do_rop_32(ptr++, and_masks[1], xor_masks[1]);
do_rop_32(ptr++, and_masks[2], xor_masks[2]);
}
switch(rc->right & 3)
{
case 1:
do_rop_32(ptr, and_masks[0] | 0xff000000, xor_masks[0] & 0x00ffffff);
break;
case 2:
do_rop_32(ptr++, and_masks[0], xor_masks[0]);
do_rop_32(ptr, and_masks[1] | 0xffff0000, xor_masks[1] & 0x0000ffff);
break;
case 3:
do_rop_32(ptr++, and_masks[0], xor_masks[0]);
do_rop_32(ptr++, and_masks[1], xor_masks[1]);
do_rop_32(ptr, and_masks[2] | 0xffffff00, xor_masks[2] & 0x000000ff);
break;
}
}
}
}
}
static void solid_rects_16(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
{
WORD *ptr, *start;
int x, y, i;
for(i = 0; i < num; i++, rc++)
{
start = get_pixel_ptr_16(dib, rc->left, rc->top);
for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 2)
for(x = rc->left, ptr = start; x < rc->right; x++)
do_rop_16(ptr++, and, xor);
}
}
static void solid_rects_8(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
{
BYTE *ptr, *start;
int x, y, i;
for(i = 0; i < num; i++, rc++)
{
start = get_pixel_ptr_8(dib, rc->left, rc->top);
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
for(x = rc->left, ptr = start; x < rc->right; x++)
do_rop_8(ptr++, and, xor);
}
}
static void solid_rects_4(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
{
BYTE *ptr, *start;
int x, y, i;
BYTE byte_and = (and & 0xf) | ((and << 4) & 0xf0);
BYTE byte_xor = (xor & 0xf) | ((xor << 4) & 0xf0);
for(i = 0; i < num; i++, rc++)
{
if(rc->left >= rc->right) continue;
start = get_pixel_ptr_4(dib, rc->left, rc->top);
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
{
ptr = start;
if(rc->left & 1) /* upper nibble untouched */
do_rop_8(ptr++, byte_and | 0xf0, byte_xor & 0x0f);
for(x = (rc->left + 1) & ~1; x < (rc->right & ~1); x += 2)
do_rop_8(ptr++, byte_and, byte_xor);
if(rc->right & 1) /* lower nibble untouched */
do_rop_8(ptr, byte_and | 0x0f, byte_xor & 0xf0);
}
}
}
static void solid_rects_1(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
{
BYTE *ptr, *start;
int x, y, i;
BYTE byte_and = (and & 1) ? 0xff : 0;
BYTE byte_xor = (xor & 1) ? 0xff : 0;
BYTE start_and, start_xor, end_and, end_xor, mask;
static const BYTE masks[8] = {0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01};
for(i = 0; i < num; i++, rc++)
{
if(rc->left >= rc->right) continue;
start = get_pixel_ptr_1(dib, rc->left, rc->top);
if((rc->left & ~7) == (rc->right & ~7)) /* Special case for lines that start and end in the same byte */
{
mask = masks[rc->left & 7] & ~masks[rc->right & 7];
start_and = byte_and | ~mask;
start_xor = byte_xor & mask;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
{
do_rop_8(start, start_and, start_xor);
}
}
else
{
mask = masks[rc->left & 7];
start_and = byte_and | ~mask;
start_xor = byte_xor & mask;
mask = masks[rc->right & 7];
/* This is inverted wrt to start mask, so end_and/xor assignments reflect this */
end_and = byte_and | mask;
end_xor = byte_xor & ~mask;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
{
ptr = start;
if(rc->left & 7)
do_rop_8(ptr++, start_and, start_xor);
for(x = (rc->left + 7) & ~7; x < (rc->right & ~7); x += 8)
do_rop_8(ptr++, byte_and, byte_xor);
if(rc->right & 7)
do_rop_8(ptr, end_and, end_xor);
}
}
}
}
static void solid_rects_null(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
{
return;
}
static void solid_line_32(const dib_info *dib, const POINT *start, const struct line_params *params,
DWORD and, DWORD xor)
{
DWORD *ptr = get_pixel_ptr_32( dib, start->x, start->y );
int len = params->length, err = params->err_start;
int major_inc, minor_inc;
if (params->x_major)
{
major_inc = params->x_inc;
minor_inc = (dib->stride * params->y_inc) / 4;
}
else
{
major_inc = (dib->stride * params->y_inc) / 4;
minor_inc = params->x_inc;
}
while (len--)
{
do_rop_32( ptr, and, xor );
if (err + params->bias > 0)
{
ptr += minor_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
ptr += major_inc;
}
}
static void solid_line_24(const dib_info *dib, const POINT *start, const struct line_params *params,
DWORD and, DWORD xor)
{
BYTE *ptr = get_pixel_ptr_24( dib, start->x, start->y );
int len = params->length, err = params->err_start;
int major_inc, minor_inc;
if (params->x_major)
{
major_inc = params->x_inc * 3;
minor_inc = dib->stride * params->y_inc;
}
else
{
major_inc = dib->stride * params->y_inc;
minor_inc = params->x_inc * 3;
}
while (len--)
{
do_rop_8( ptr, and, xor );
do_rop_8( ptr + 1, and >> 8, xor >> 8 );
do_rop_8( ptr + 2, and >> 16, xor >> 16 );
if (err + params->bias > 0)
{
ptr += minor_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
ptr += major_inc;
}
}
static void solid_line_16(const dib_info *dib, const POINT *start, const struct line_params *params,
DWORD and, DWORD xor)
{
WORD *ptr = get_pixel_ptr_16( dib, start->x, start->y );
int len = params->length, err = params->err_start;
int major_inc, minor_inc;
if (params->x_major)
{
major_inc = params->x_inc;
minor_inc = (dib->stride * params->y_inc) / 2;
}
else
{
major_inc = (dib->stride * params->y_inc) / 2;
minor_inc = params->x_inc;
}
while (len--)
{
do_rop_16( ptr, and, xor );
if (err + params->bias > 0)
{
ptr += minor_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
ptr += major_inc;
}
}
static void solid_line_8(const dib_info *dib, const POINT *start, const struct line_params *params,
DWORD and, DWORD xor)
{
BYTE *ptr = get_pixel_ptr_8( dib, start->x, start->y );
int len = params->length, err = params->err_start;
int major_inc, minor_inc;
if (params->x_major)
{
major_inc = params->x_inc;
minor_inc = dib->stride * params->y_inc;
}
else
{
major_inc = dib->stride * params->y_inc;
minor_inc = params->x_inc;
}
while (len--)
{
do_rop_8( ptr, and, xor );
if (err + params->bias > 0)
{
ptr += minor_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
ptr += major_inc;
}
}
static void solid_line_4(const dib_info *dib, const POINT *start, const struct line_params *params,
DWORD and, DWORD xor)
{
BYTE *ptr = get_pixel_ptr_4( dib, start->x, start->y );
int len = params->length, err = params->err_start;
int x = start->x;
and = (and & 0x0f) | ((and << 4) & 0xf0);
xor = (xor & 0x0f) | ((xor << 4) & 0xf0);
if (params->x_major)
{
while (len--)
{
do_rop_mask_8( ptr, and, xor, pixel_masks_4[ x % 2 ] );
if (err + params->bias > 0)
{
ptr += dib->stride * params->y_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
if ((x / 2) != ((x + params->x_inc) / 2))
ptr += params->x_inc;
x += params->x_inc;
}
}
else
{
while (len--)
{
do_rop_mask_8( ptr, and, xor, pixel_masks_4[ x % 2 ] );
if (err + params->bias > 0)
{
if ((x / 2) != ((x + params->x_inc) / 2))
ptr += params->x_inc;
x += params->x_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
ptr += dib->stride * params->y_inc;
}
}
}
static void solid_line_1(const dib_info *dib, const POINT *start, const struct line_params *params,
DWORD and, DWORD xor)
{
BYTE *ptr = get_pixel_ptr_1( dib, start->x, start->y );
int len = params->length, err = params->err_start;
int x = start->x;
and = (and & 0x1) ? 0xff : 0;
xor = (xor & 0x1) ? 0xff : 0;
if (params->x_major)
{
while (len--)
{
do_rop_mask_8( ptr, and, xor, pixel_masks_1[ x % 8 ] );
if (err + params->bias > 0)
{
ptr += dib->stride * params->y_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
if ((x / 8) != ((x + params->x_inc) / 8))
ptr += params->x_inc;
x += params->x_inc;
}
}
else
{
while (len--)
{
do_rop_mask_8( ptr, and, xor, pixel_masks_1[ x % 8 ] );
if (err + params->bias > 0)
{
if ((x / 8) != ((x + params->x_inc) / 8))
ptr += params->x_inc;
x += params->x_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
ptr += dib->stride * params->y_inc;
}
}
}
static void solid_line_null(const dib_info *dib, const POINT *start, const struct line_params *params,
DWORD and, DWORD xor)
{
return;
}
static inline INT calc_offset(INT edge, INT size, INT origin)
{
INT offset;
if(edge - origin >= 0)
offset = (edge - origin) % size;
else
{
offset = (origin - edge) % size;
if(offset) offset = size - offset;
}
return offset;
}
static inline POINT calc_brush_offset(const RECT *rc, const dib_info *brush, const POINT *origin)
{
POINT offset;
offset.x = calc_offset(rc->left, brush->width, origin->x);
offset.y = calc_offset(rc->top, brush->height, origin->y);
return offset;
}
static void pattern_rects_32(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
const dib_info *brush, void *and_bits, void *xor_bits)
{
DWORD *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
int x, y, i;
POINT offset;
for(i = 0; i < num; i++, rc++)
{
offset = calc_brush_offset(rc, brush, origin);
start = get_pixel_ptr_32(dib, rc->left, rc->top);
start_and = (DWORD*)and_bits + offset.y * brush->stride / 4;
start_xor = (DWORD*)xor_bits + offset.y * brush->stride / 4;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 4)
{
and_ptr = start_and + offset.x;
xor_ptr = start_xor + offset.x;
for(x = rc->left, ptr = start; x < rc->right; x++)
{
do_rop_32(ptr++, *and_ptr++, *xor_ptr++);
if(and_ptr == start_and + brush->width)
{
and_ptr = start_and;
xor_ptr = start_xor;
}
}
offset.y++;
if(offset.y == brush->height)
{
start_and = and_bits;
start_xor = xor_bits;
offset.y = 0;
}
else
{
start_and += brush->stride / 4;
start_xor += brush->stride / 4;
}
}
}
}
static void pattern_rects_24(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
const dib_info *brush, void *and_bits, void *xor_bits)
{
BYTE *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
int x, y, i;
POINT offset;
for(i = 0; i < num; i++, rc++)
{
offset = calc_brush_offset(rc, brush, origin);
start = get_pixel_ptr_24(dib, rc->left, rc->top);
start_and = (BYTE*)and_bits + offset.y * brush->stride;
start_xor = (BYTE*)xor_bits + offset.y * brush->stride;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
{
and_ptr = start_and + offset.x * 3;
xor_ptr = start_xor + offset.x * 3;
for(x = rc->left, ptr = start; x < rc->right; x++)
{
do_rop_8(ptr++, *and_ptr++, *xor_ptr++);
do_rop_8(ptr++, *and_ptr++, *xor_ptr++);
do_rop_8(ptr++, *and_ptr++, *xor_ptr++);
if(and_ptr == start_and + brush->width * 3)
{
and_ptr = start_and;
xor_ptr = start_xor;
}
}
offset.y++;
if(offset.y == brush->height)
{
start_and = and_bits;
start_xor = xor_bits;
offset.y = 0;
}
else
{
start_and += brush->stride;
start_xor += brush->stride;
}
}
}
}
static void pattern_rects_16(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
const dib_info *brush, void *and_bits, void *xor_bits)
{
WORD *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
int x, y, i;
POINT offset;
for(i = 0; i < num; i++, rc++)
{
offset = calc_brush_offset(rc, brush, origin);
start = get_pixel_ptr_16(dib, rc->left, rc->top);
start_and = (WORD*)and_bits + offset.y * brush->stride / 2;
start_xor = (WORD*)xor_bits + offset.y * brush->stride / 2;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 2)
{
and_ptr = start_and + offset.x;
xor_ptr = start_xor + offset.x;
for(x = rc->left, ptr = start; x < rc->right; x++)
{
do_rop_16(ptr++, *and_ptr++, *xor_ptr++);
if(and_ptr == start_and + brush->width)
{
and_ptr = start_and;
xor_ptr = start_xor;
}
}
offset.y++;
if(offset.y == brush->height)
{
start_and = and_bits;
start_xor = xor_bits;
offset.y = 0;
}
else
{
start_and += brush->stride / 2;
start_xor += brush->stride / 2;
}
}
}
}
static void pattern_rects_8(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
const dib_info *brush, void *and_bits, void *xor_bits)
{
BYTE *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
int x, y, i;
POINT offset;
for(i = 0; i < num; i++, rc++)
{
offset = calc_brush_offset(rc, brush, origin);
start = get_pixel_ptr_8(dib, rc->left, rc->top);
start_and = (BYTE*)and_bits + offset.y * brush->stride;
start_xor = (BYTE*)xor_bits + offset.y * brush->stride;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
{
and_ptr = start_and + offset.x;
xor_ptr = start_xor + offset.x;
for(x = rc->left, ptr = start; x < rc->right; x++)
{
do_rop_8(ptr++, *and_ptr++, *xor_ptr++);
if(and_ptr == start_and + brush->width)
{
and_ptr = start_and;
xor_ptr = start_xor;
}
}
offset.y++;
if(offset.y == brush->height)
{
start_and = and_bits;
start_xor = xor_bits;
offset.y = 0;
}
else
{
start_and += brush->stride;
start_xor += brush->stride;
}
}
}
}
static void pattern_rects_4(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
const dib_info *brush, void *and_bits, void *xor_bits)
{
BYTE *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
int x, y, i;
POINT offset;
for(i = 0; i < num; i++, rc++)
{
offset = calc_brush_offset(rc, brush, origin);
start = get_pixel_ptr_4(dib, rc->left, rc->top);
start_and = (BYTE*)and_bits + offset.y * brush->stride;
start_xor = (BYTE*)xor_bits + offset.y * brush->stride;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
{
INT brush_x = offset.x;
BYTE byte_and, byte_xor;
and_ptr = start_and + brush_x / 2;
xor_ptr = start_xor + brush_x / 2;
for(x = rc->left, ptr = start; x < rc->right; x++)
{
/* FIXME: Two pixels at a time */
if(x & 1) /* lower dst nibble */
{
if(brush_x & 1) /* lower pat nibble */
{
byte_and = *and_ptr++ | 0xf0;
byte_xor = *xor_ptr++ & 0x0f;
}
else /* upper pat nibble */
{
byte_and = (*and_ptr >> 4) | 0xf0;
byte_xor = (*xor_ptr >> 4) & 0x0f;
}
}
else /* upper dst nibble */
{
if(brush_x & 1) /* lower pat nibble */
{
byte_and = (*and_ptr++ << 4) | 0x0f;
byte_xor = (*xor_ptr++ << 4) & 0xf0;
}
else /* upper pat nibble */
{
byte_and = *and_ptr | 0x0f;
byte_xor = *xor_ptr & 0xf0;
}
}
do_rop_8(ptr, byte_and, byte_xor);
if(x & 1) ptr++;
if(++brush_x == brush->width)
{
brush_x = 0;
and_ptr = start_and;
xor_ptr = start_xor;
}
}
offset.y++;
if(offset.y == brush->height)
{
start_and = and_bits;
start_xor = xor_bits;
offset.y = 0;
}
else
{
start_and += brush->stride;
start_xor += brush->stride;
}
}
}
}
static void pattern_rects_1(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
const dib_info *brush, void *and_bits, void *xor_bits)
{
BYTE *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
int x, y, i;
POINT offset;
for(i = 0; i < num; i++, rc++)
{
offset = calc_brush_offset(rc, brush, origin);
start = get_pixel_ptr_1(dib, rc->left, rc->top);
start_and = (BYTE*)and_bits + offset.y * brush->stride;
start_xor = (BYTE*)xor_bits + offset.y * brush->stride;
for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
{
INT brush_x = offset.x;
BYTE byte_and, byte_xor;
and_ptr = start_and + brush_x / 8;
xor_ptr = start_xor + brush_x / 8;
for(x = rc->left, ptr = start; x < rc->right; x++)
{
byte_and = (*and_ptr & pixel_masks_1[brush_x % 8]) ? 0xff : 0;
byte_and |= ~pixel_masks_1[x % 8];
byte_xor = (*xor_ptr & pixel_masks_1[brush_x % 8]) ? 0xff : 0;
byte_xor &= pixel_masks_1[x % 8];
do_rop_8(ptr, byte_and, byte_xor);
if((x & 7) == 7) ptr++;
if((brush_x & 7) == 7)
{
and_ptr++;
xor_ptr++;
}
if(++brush_x == brush->width)
{
brush_x = 0;
and_ptr = start_and;
xor_ptr = start_xor;
}
}
offset.y++;
if(offset.y == brush->height)
{
start_and = and_bits;
start_xor = xor_bits;
offset.y = 0;
}
else
{
start_and += brush->stride;
start_xor += brush->stride;
}
}
}
}
static void pattern_rects_null(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
const dib_info *brush, void *and_bits, void *xor_bits)
{
return;
}
static void copy_rect_32(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, int rop2, int overlap)
{
DWORD *dst_start, *src_start;
struct rop_codes codes;
int y, dst_stride, src_stride;
if (overlap & OVERLAP_BELOW)
{
dst_start = get_pixel_ptr_32(dst, rc->left, rc->bottom - 1);
src_start = get_pixel_ptr_32(src, origin->x, origin->y + rc->bottom - rc->top - 1);
dst_stride = -dst->stride / 4;
src_stride = -src->stride / 4;
}
else
{
dst_start = get_pixel_ptr_32(dst, rc->left, rc->top);
src_start = get_pixel_ptr_32(src, origin->x, origin->y);
dst_stride = dst->stride / 4;
src_stride = src->stride / 4;
}
if (rop2 == R2_COPYPEN)
{
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
memmove( dst_start, src_start, (rc->right - rc->left) * 4 );
return;
}
get_rop_codes( rop2, &codes );
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
{
if (overlap & OVERLAP_RIGHT)
do_rop_codes_line_rev_32( dst_start, src_start, &codes, rc->right - rc->left );
else
do_rop_codes_line_32( dst_start, src_start, &codes, rc->right - rc->left );
}
}
static void copy_rect_24(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, int rop2, int overlap)
{
BYTE *dst_start, *src_start;
int y, dst_stride, src_stride;
struct rop_codes codes;
if (overlap & OVERLAP_BELOW)
{
dst_start = get_pixel_ptr_24(dst, rc->left, rc->bottom - 1);
src_start = get_pixel_ptr_24(src, origin->x, origin->y + rc->bottom - rc->top - 1);
dst_stride = -dst->stride;
src_stride = -src->stride;
}
else
{
dst_start = get_pixel_ptr_24(dst, rc->left, rc->top);
src_start = get_pixel_ptr_24(src, origin->x, origin->y);
dst_stride = dst->stride;
src_stride = src->stride;
}
if (rop2 == R2_COPYPEN)
{
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
memmove( dst_start, src_start, (rc->right - rc->left) * 3 );
return;
}
get_rop_codes( rop2, &codes );
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
{
if (overlap & OVERLAP_RIGHT)
do_rop_codes_line_rev_8( dst_start, src_start, &codes, (rc->right - rc->left) * 3 );
else
do_rop_codes_line_8( dst_start, src_start, &codes, (rc->right - rc->left) * 3 );
}
}
static void copy_rect_16(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, int rop2, int overlap)
{
WORD *dst_start, *src_start;
int y, dst_stride, src_stride;
struct rop_codes codes;
if (overlap & OVERLAP_BELOW)
{
dst_start = get_pixel_ptr_16(dst, rc->left, rc->bottom - 1);
src_start = get_pixel_ptr_16(src, origin->x, origin->y + rc->bottom - rc->top - 1);
dst_stride = -dst->stride / 2;
src_stride = -src->stride / 2;
}
else
{
dst_start = get_pixel_ptr_16(dst, rc->left, rc->top);
src_start = get_pixel_ptr_16(src, origin->x, origin->y);
dst_stride = dst->stride / 2;
src_stride = src->stride / 2;
}
if (rop2 == R2_COPYPEN)
{
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
memmove( dst_start, src_start, (rc->right - rc->left) * 2 );
return;
}
get_rop_codes( rop2, &codes );
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
{
if (overlap & OVERLAP_RIGHT)
do_rop_codes_line_rev_16( dst_start, src_start, &codes, rc->right - rc->left );
else
do_rop_codes_line_16( dst_start, src_start, &codes, rc->right - rc->left );
}
}
static void copy_rect_8(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, int rop2, int overlap)
{
BYTE *dst_start, *src_start;
int y, dst_stride, src_stride;
struct rop_codes codes;
if (overlap & OVERLAP_BELOW)
{
dst_start = get_pixel_ptr_8(dst, rc->left, rc->bottom - 1);
src_start = get_pixel_ptr_8(src, origin->x, origin->y + rc->bottom - rc->top - 1);
dst_stride = -dst->stride;
src_stride = -src->stride;
}
else
{
dst_start = get_pixel_ptr_8(dst, rc->left, rc->top);
src_start = get_pixel_ptr_8(src, origin->x, origin->y);
dst_stride = dst->stride;
src_stride = src->stride;
}
if (rop2 == R2_COPYPEN)
{
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
memmove( dst_start, src_start, (rc->right - rc->left) );
return;
}
get_rop_codes( rop2, &codes );
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
{
if (overlap & OVERLAP_RIGHT)
do_rop_codes_line_rev_8( dst_start, src_start, &codes, rc->right - rc->left );
else
do_rop_codes_line_8( dst_start, src_start, &codes, rc->right - rc->left );
}
}
static void copy_rect_4(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, int rop2, int overlap)
{
BYTE *dst_start, *src_start;
int y, dst_stride, src_stride;
struct rop_codes codes;
if (overlap & OVERLAP_BELOW)
{
dst_start = get_pixel_ptr_4(dst, 0, rc->bottom - 1);
src_start = get_pixel_ptr_4(src, 0, origin->y + rc->bottom - rc->top - 1);
dst_stride = -dst->stride;
src_stride = -src->stride;
}
else
{
dst_start = get_pixel_ptr_4(dst, 0, rc->top);
src_start = get_pixel_ptr_4(src, 0, origin->y);
dst_stride = dst->stride;
src_stride = src->stride;
}
if (rop2 == R2_COPYPEN && (rc->left & 1) == 0 && (origin->x & 1) == 0 && (rc->right & 1) == 0)
{
dst_start += rc->left / 2;
src_start += origin->x / 2;
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
memmove( dst_start, src_start, (rc->right - rc->left) / 2 );
return;
}
get_rop_codes( rop2, &codes );
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
{
if (overlap & OVERLAP_RIGHT)
do_rop_codes_line_rev_4( dst_start, rc->left, src_start, origin->x, &codes, rc->right - rc->left );
else
do_rop_codes_line_4( dst_start, rc->left, src_start, origin->x, &codes, rc->right - rc->left );
}
}
static void copy_rect_1(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, int rop2, int overlap)
{
BYTE *dst_start, *src_start;
int y, dst_stride, src_stride;
struct rop_codes codes;
if (overlap & OVERLAP_BELOW)
{
dst_start = get_pixel_ptr_1(dst, 0, rc->bottom - 1);
src_start = get_pixel_ptr_1(src, 0, origin->y + rc->bottom - rc->top - 1);
dst_stride = -dst->stride;
src_stride = -src->stride;
}
else
{
dst_start = get_pixel_ptr_1(dst, 0, rc->top);
src_start = get_pixel_ptr_1(src, 0, origin->y);
dst_stride = dst->stride;
src_stride = src->stride;
}
if (rop2 == R2_COPYPEN && (rc->left & 7) == 0 && (origin->x & 7) == 0 && (rc->right & 7) == 0)
{
dst_start += rc->left / 8;
src_start += origin->x / 8;
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
memmove( dst_start, src_start, (rc->right - rc->left) / 8 );
return;
}
get_rop_codes( rop2, &codes );
for (y = rc->top; y < rc->bottom; y++, dst_start += dst_stride, src_start += src_stride)
{
if (overlap & OVERLAP_RIGHT)
do_rop_codes_line_rev_1( dst_start, rc->left, src_start, origin->x, &codes, rc->right - rc->left );
else
do_rop_codes_line_1( dst_start, rc->left, src_start, origin->x, &codes, rc->right - rc->left );
}
}
static void copy_rect_null(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, int rop2, int overlap)
{
return;
}
static DWORD get_pixel_32(const dib_info *dib, int x, int y)
{
DWORD *ptr = get_pixel_ptr_32( dib, x, y );
return *ptr;
}
static DWORD get_pixel_24(const dib_info *dib, int x, int y)
{
BYTE *ptr = get_pixel_ptr_24( dib, x, y );
return ptr[0] | ((DWORD)ptr[1] << 8) | ((DWORD)ptr[2] << 16);
}
static DWORD get_pixel_16(const dib_info *dib, int x, int y)
{
WORD *ptr = get_pixel_ptr_16( dib, x, y );
return *ptr;
}
static DWORD get_pixel_8(const dib_info *dib, int x, int y)
{
BYTE *ptr = get_pixel_ptr_8( dib, x, y );
return *ptr;
}
static DWORD get_pixel_4(const dib_info *dib, int x, int y)
{
BYTE *ptr = get_pixel_ptr_4( dib, x, y );
if (x & 1)
return *ptr & 0x0f;
else
return (*ptr >> 4) & 0x0f;
}
static DWORD get_pixel_1(const dib_info *dib, int x, int y)
{
BYTE *ptr = get_pixel_ptr_1( dib, x, y );
return (*ptr & pixel_masks_1[x & 0x7]) ? 1 : 0;
}
static DWORD get_pixel_null(const dib_info *dib, int x, int y)
{
return 0;
}
static DWORD colorref_to_pixel_888(const dib_info *dib, COLORREF color)
{
return ( ((color >> 16) & 0xff) | (color & 0xff00) | ((color << 16) & 0xff0000) );
}
static const DWORD field_masks[33] =
{
0x00, /* should never happen */
0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
};
static inline DWORD get_field(DWORD field, int shift, int len)
{
shift = shift - (8 - len);
if (shift < 0)
field <<= -shift;
else
field >>= shift;
field &= field_masks[len];
field |= field >> len;
return field;
}
static inline DWORD put_field(DWORD field, int shift, int len)
{
shift = shift - (8 - len);
field &= field_masks[len];
if (shift < 0)
field >>= -shift;
else
field <<= shift;
return field;
}
static DWORD colorref_to_pixel_masks(const dib_info *dib, COLORREF colour)
{
DWORD r,g,b;
r = GetRValue(colour);
g = GetGValue(colour);
b = GetBValue(colour);
return put_field(r, dib->red_shift, dib->red_len) |
put_field(g, dib->green_shift, dib->green_len) |
put_field(b, dib->blue_shift, dib->blue_len);
}
static DWORD colorref_to_pixel_555(const dib_info *dib, COLORREF color)
{
return ( ((color >> 19) & 0x1f) | ((color >> 6) & 0x03e0) | ((color << 7) & 0x7c00) );
}
static DWORD rgb_to_pixel_colortable(const dib_info *dib, BYTE r, BYTE g, BYTE b)
{
int i, best_index = 0;
DWORD diff, best_diff = 0xffffffff;
/* special case for conversion to 1-bpp without a color table:
* we get a 1-entry table containing the background color
*/
if (dib->bit_count == 1 && dib->color_table_size == 1)
return (r == dib->color_table[0].rgbRed &&
g == dib->color_table[0].rgbGreen &&
b == dib->color_table[0].rgbBlue);
for(i = 0; i < dib->color_table_size; i++)
{
const RGBQUAD *cur = dib->color_table + i;
diff = (r - cur->rgbRed) * (r - cur->rgbRed)
+ (g - cur->rgbGreen) * (g - cur->rgbGreen)
+ (b - cur->rgbBlue) * (b - cur->rgbBlue);
if(diff == 0)
{
best_index = i;
break;
}
if(diff < best_diff)
{
best_diff = diff;
best_index = i;
}
}
return best_index;
}
static DWORD colorref_to_pixel_colortable(const dib_info *dib, COLORREF color)
{
return rgb_to_pixel_colortable( dib, GetRValue(color), GetGValue(color), GetBValue(color) );
}
static DWORD colorref_to_pixel_null(const dib_info *dib, COLORREF color)
{
return 0;
}
static COLORREF pixel_to_colorref_888(const dib_info *dib, DWORD pixel)
{
return ( ((pixel >> 16) & 0xff) | (pixel & 0xff00) | ((pixel << 16) & 0xff0000) );
}
static COLORREF pixel_to_colorref_masks(const dib_info *dib, DWORD pixel)
{
return RGB( get_field( pixel, dib->red_shift, dib->red_len ),
get_field( pixel, dib->green_shift, dib->green_len ),
get_field( pixel, dib->blue_shift, dib->blue_len ) );
}
static COLORREF pixel_to_colorref_555(const dib_info *dib, DWORD pixel)
{
return RGB( ((pixel >> 7) & 0xf8) | ((pixel >> 12) & 0x07),
((pixel >> 2) & 0xf8) | ((pixel >> 7) & 0x07),
((pixel << 3) & 0xf8) | ((pixel >> 2) & 0x07) );
}
static COLORREF pixel_to_colorref_colortable(const dib_info *dib, DWORD pixel)
{
if (pixel < dib->color_table_size)
{
RGBQUAD quad = dib->color_table[pixel];
return RGB( quad.rgbRed, quad.rgbGreen, quad.rgbBlue );
}
return 0;
}
static COLORREF pixel_to_colorref_null(const dib_info *dib, DWORD pixel)
{
return 0;
}
static inline BOOL bit_fields_match(const dib_info *d1, const dib_info *d2)
{
assert( d1->bit_count > 8 && d1->bit_count == d2->bit_count );
return d1->red_mask == d2->red_mask &&
d1->green_mask == d2->green_mask &&
d1->blue_mask == d2->blue_mask;
}
static void convert_to_8888(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
DWORD *dst_start = get_pixel_ptr_32(dst, 0, 0), *dst_pixel, src_val;
int x, y, pad_size = (dst->width - (src_rect->right - src_rect->left)) * 4;
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
memcpy(dst_start, src_start, (src_rect->bottom - src_rect->top) * src->stride);
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
memcpy(dst_start, src_start, (src_rect->right - src_rect->left) * 4);
if(pad_size) memset(dst_start + (src_rect->right - src_rect->left), 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 4;
}
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->red_shift) & 0xff) << 16) |
(((src_val >> src->green_shift) & 0xff) << 8) |
((src_val >> src->blue_shift) & 0xff);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (get_field( src_val, src->red_shift, src->red_len ) << 16 |
get_field( src_val, src->green_shift, src->green_len ) << 8 |
get_field( src_val, src->blue_shift, src->blue_len ));
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
rgb.rgbBlue = *src_pixel++;
rgb.rgbGreen = *src_pixel++;
rgb.rgbRed = *src_pixel++;
*dst_pixel++ = ((rgb.rgbRed << 16) & 0xff0000) | ((rgb.rgbGreen << 8) & 0x00ff00) | (rgb.rgbBlue & 0x0000ff);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = ((src_val << 9) & 0xf80000) | ((src_val << 4) & 0x070000) |
((src_val << 6) & 0x00f800) | ((src_val << 1) & 0x000700) |
((src_val << 3) & 0x0000f8) | ((src_val >> 2) & 0x000007);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->red_shift) << 19) & 0xf80000) |
(((src_val >> src->red_shift) << 14) & 0x070000) |
(((src_val >> src->green_shift) << 11) & 0x00f800) |
(((src_val >> src->green_shift) << 6) & 0x000700) |
(((src_val >> src->blue_shift) << 3) & 0x0000f8) |
(((src_val >> src->blue_shift) >> 2) & 0x000007);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->red_shift) << 19) & 0xf80000) |
(((src_val >> src->red_shift) << 14) & 0x070000) |
(((src_val >> src->green_shift) << 10) & 0x00fc00) |
(((src_val >> src->green_shift) << 4) & 0x000300) |
(((src_val >> src->blue_shift) << 3) & 0x0000f8) |
(((src_val >> src->blue_shift) >> 2) & 0x000007);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (get_field( src_val, src->red_shift, src->red_len ) << 16 |
get_field( src_val, src->green_shift, src->green_len ) << 8 |
get_field( src_val, src->blue_shift, src->blue_len ));
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
*dst_pixel++ = rgb.rgbRed << 16 | rgb.rgbGreen << 8 | rgb.rgbBlue;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
*dst_pixel++ = rgb.rgbRed << 16 | rgb.rgbGreen << 8 | rgb.rgbBlue;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
*dst_pixel++ = rgb.rgbRed << 16 | rgb.rgbGreen << 8 | rgb.rgbBlue;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
}
}
static void convert_to_32(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
DWORD *dst_start = get_pixel_ptr_32(dst, 0, 0), *dst_pixel, src_val;
int x, y, pad_size = (dst->width - (src_rect->right - src_rect->left)) * 4;
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(src_val >> 16, dst->red_shift, dst->red_len) |
put_field(src_val >> 8, dst->green_shift, dst->green_len) |
put_field(src_val, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 4;
}
}
else if(bit_fields_match(src, dst))
{
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
memcpy(dst_start, src_start, (src_rect->bottom - src_rect->top) * src->stride);
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
memcpy(dst_start, src_start, (src_rect->right - src_rect->left) * 4);
if(pad_size) memset(dst_start + (src_rect->right - src_rect->left), 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 4;
}
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8 &&
dst->red_len == 8 && dst->green_len == 8 && dst->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->red_shift) & 0xff) << dst->red_shift) |
(((src_val >> src->green_shift) & 0xff) << dst->green_shift) |
(((src_val >> src->blue_shift) & 0xff) << dst->blue_shift);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(get_field(src_val, src->red_shift, src->red_len ), dst->red_shift, dst->red_len) |
put_field(get_field(src_val, src->green_shift, src->green_len ), dst->green_shift, dst->green_len) |
put_field(get_field(src_val, src->blue_shift, src->blue_len ), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
rgb.rgbBlue = *src_pixel++;
rgb.rgbGreen = *src_pixel++;
rgb.rgbRed = *src_pixel++;
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(((src_val >> 7) & 0xf8) | ((src_val >> 12) & 0x07), dst->red_shift, dst->red_len) |
put_field(((src_val >> 2) & 0xf8) | ((src_val >> 7) & 0x07), dst->green_shift, dst->green_len) |
put_field(((src_val << 3) & 0xf8) | ((src_val >> 2) & 0x07), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field( (((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07), dst->red_shift, dst->red_len ) |
put_field( (((src_val >> src->green_shift) << 3) & 0xf8) |
(((src_val >> src->green_shift) >> 2) & 0x07), dst->green_shift, dst->green_len ) |
put_field( (((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field( (((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07), dst->red_shift, dst->red_len ) |
put_field( (((src_val >> src->green_shift) << 2) & 0xfc) |
(((src_val >> src->green_shift) >> 4) & 0x03), dst->green_shift, dst->green_len ) |
put_field( (((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(get_field(src_val, src->red_shift, src->red_len ), dst->red_shift, dst->red_len) |
put_field(get_field(src_val, src->green_shift, src->green_len ), dst->green_shift, dst->green_len) |
put_field(get_field(src_val, src->blue_shift, src->blue_len ), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 4;
src_start += src->stride;
}
break;
}
}
}
static void convert_to_24(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
BYTE *dst_start = get_pixel_ptr_24(dst, 0, 0), *dst_pixel;
DWORD src_val;
int x, y, pad_size = ((dst->width * 3 + 3) & ~3) - (src_rect->right - src_rect->left) * 3;
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = src_val & 0xff;
*dst_pixel++ = (src_val >> 8) & 0xff;
*dst_pixel++ = (src_val >> 16) & 0xff;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (src_val >> src->blue_shift) & 0xff;
*dst_pixel++ = (src_val >> src->green_shift) & 0xff;
*dst_pixel++ = (src_val >> src->red_shift) & 0xff;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = get_field( src_val, src->blue_shift, src->blue_len );
*dst_pixel++ = get_field( src_val, src->green_shift, src->green_len );
*dst_pixel++ = get_field( src_val, src->red_shift, src->red_len );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top);
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
memcpy(dst_start, src_start, (src_rect->bottom - src_rect->top) * src->stride);
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
memcpy(dst_start, src_start, (src_rect->right - src_rect->left) * 3);
if(pad_size) memset(dst_start + (src_rect->right - src_rect->left) * 3, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = ((src_val << 3) & 0xf8) | ((src_val >> 2) & 0x07);
*dst_pixel++ = ((src_val >> 2) & 0xf8) | ((src_val >> 7) & 0x07);
*dst_pixel++ = ((src_val >> 7) & 0xf8) | ((src_val >> 12) & 0x07);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07);
*dst_pixel++ = (((src_val >> src->green_shift) << 3) & 0xf8) |
(((src_val >> src->green_shift) >> 2) & 0x07);
*dst_pixel++ = (((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07);
*dst_pixel++ = (((src_val >> src->green_shift) << 2) & 0xfc) |
(((src_val >> src->green_shift) >> 4) & 0x03);
*dst_pixel++ = (((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = get_field(src_val, src->blue_shift, src->blue_len );
*dst_pixel++ = get_field(src_val, src->green_shift, src->green_len );
*dst_pixel++ = get_field(src_val, src->red_shift, src->red_len );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
*dst_pixel++ = rgb.rgbBlue;
*dst_pixel++ = rgb.rgbGreen;
*dst_pixel++ = rgb.rgbRed;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
*dst_pixel++ = rgb.rgbBlue;
*dst_pixel++ = rgb.rgbGreen;
*dst_pixel++ = rgb.rgbRed;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
*dst_pixel++ = rgb.rgbBlue;
*dst_pixel++ = rgb.rgbGreen;
*dst_pixel++ = rgb.rgbRed;
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
}
}
static void convert_to_555(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
WORD *dst_start = get_pixel_ptr_16(dst, 0, 0), *dst_pixel;
INT x, y, pad_size = ((dst->width + 1) & ~1) * 2 - (src_rect->right - src_rect->left) * 2;
DWORD src_val;
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = ((src_val >> 9) & 0x7c00) |
((src_val >> 6) & 0x03e0) |
((src_val >> 3) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 4;
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->red_shift) << 7) & 0x7c00) |
(((src_val >> src->green_shift) << 2) & 0x03e0) |
(((src_val >> src->blue_shift) >> 3) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((get_field(src_val, src->red_shift, src->red_len ) << 7) & 0x7c00) |
((get_field(src_val, src->green_shift, src->green_len ) << 2) & 0x03e0) |
( get_field(src_val, src->blue_shift, src->blue_len ) >> 3));
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
rgb.rgbBlue = *src_pixel++;
rgb.rgbGreen = *src_pixel++;
rgb.rgbRed = *src_pixel++;
*dst_pixel++ = ((rgb.rgbRed << 7) & 0x7c00) |
((rgb.rgbGreen << 2) & 0x03e0) |
((rgb.rgbBlue >> 3) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
memcpy(dst_start, src_start, (src_rect->bottom - src_rect->top) * src->stride);
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
memcpy(dst_start, src_start, (src_rect->right - src_rect->left) * 2);
if(pad_size) memset(dst_start + (src_rect->right - src_rect->left), 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->red_shift) << 10) & 0x7c00) |
(((src_val >> src->green_shift) << 5) & 0x03e0) |
( (src_val >> src->blue_shift) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((src_val >> src->red_shift) << 10) & 0x7c00) |
(((src_val >> src->green_shift) << 4) & 0x03e0) |
( (src_val >> src->blue_shift) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = (((get_field(src_val, src->red_shift, src->red_len) << 7) & 0x7c00) |
((get_field(src_val, src->green_shift, src->green_len) << 2) & 0x03e0) |
( get_field(src_val, src->blue_shift, src->blue_len) >> 3));
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
*dst_pixel++ = ((rgb.rgbRed << 7) & 0x7c00) |
((rgb.rgbGreen << 2) & 0x03e0) |
((rgb.rgbBlue >> 3) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
*dst_pixel++ = ((rgb.rgbRed << 7) & 0x7c00) |
((rgb.rgbGreen << 2) & 0x03e0) |
((rgb.rgbBlue >> 3) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
*dst_pixel++ = ((rgb.rgbRed << 7) & 0x7c00) |
((rgb.rgbGreen << 2) & 0x03e0) |
((rgb.rgbBlue >> 3) & 0x001f);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
}
}
static void convert_to_16(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
WORD *dst_start = get_pixel_ptr_16(dst, 0, 0), *dst_pixel;
INT x, y, pad_size = ((dst->width + 1) & ~1) * 2 - (src_rect->right - src_rect->left) * 2;
DWORD src_val;
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(src_val >> 16, dst->red_shift, dst->red_len) |
put_field(src_val >> 8, dst->green_shift, dst->green_len) |
put_field(src_val, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 4;
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(src_val >> src->red_shift, dst->red_shift, dst->red_len) |
put_field(src_val >> src->green_shift, dst->green_shift, dst->green_len) |
put_field(src_val >> src->blue_shift, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(get_field(src_val, src->red_shift, src->red_len ), dst->red_shift, dst->red_len) |
put_field(get_field(src_val, src->green_shift, src->green_len ), dst->green_shift, dst->green_len) |
put_field(get_field(src_val, src->blue_shift, src->blue_len ), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
rgb.rgbBlue = *src_pixel++;
rgb.rgbGreen = *src_pixel++;
rgb.rgbRed = *src_pixel++;
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(((src_val >> 7) & 0xf8) | ((src_val >> 12) & 0x07), dst->red_shift, dst->red_len) |
put_field(((src_val >> 2) & 0xf8) | ((src_val >> 7) & 0x07), dst->green_shift, dst->green_len) |
put_field(((src_val << 3) & 0xf8) | ((src_val >> 2) & 0x07), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
else if(bit_fields_match(src, dst))
{
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
memcpy(dst_start, src_start, (src_rect->bottom - src_rect->top) * src->stride);
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
memcpy(dst_start, src_start, (src_rect->right - src_rect->left) * 2);
if(pad_size) memset(dst_start + (src_rect->right - src_rect->left), 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field( (((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07), dst->red_shift, dst->red_len ) |
put_field( (((src_val >> src->green_shift) << 3) & 0xf8) |
(((src_val >> src->green_shift) >> 2) & 0x07), dst->green_shift, dst->green_len ) |
put_field( (((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field( (((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07), dst->red_shift, dst->red_len ) |
put_field( (((src_val >> src->green_shift) << 2) & 0xfc) |
(((src_val >> src->green_shift) >> 4) & 0x03), dst->green_shift, dst->green_len ) |
put_field( (((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = put_field(get_field(src_val, src->red_shift, src->red_len ), dst->red_shift, dst->red_len) |
put_field(get_field(src_val, src->green_shift, src->green_len ), dst->green_shift, dst->green_len) |
put_field(get_field(src_val, src->blue_shift, src->blue_len ), dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
*dst_pixel++ = put_field(rgb.rgbRed, dst->red_shift, dst->red_len) |
put_field(rgb.rgbGreen, dst->green_shift, dst->green_len) |
put_field(rgb.rgbBlue, dst->blue_shift, dst->blue_len);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride / 2;
src_start += src->stride;
}
break;
}
}
}
static inline BOOL color_tables_match(const dib_info *d1, const dib_info *d2)
{
return !memcmp(d1->color_table, d2->color_table, (1 << d1->bit_count) * sizeof(d1->color_table[0]));
}
static inline DWORD rgb_lookup_colortable(const dib_info *dst, BYTE r, BYTE g, BYTE b)
{
/* Windows reduces precision to 5 bits, probably in order to build some sort of lookup cache */
return rgb_to_pixel_colortable( dst, (r & ~7) + 4, (g & ~7) + 4, (b & ~7) + 4 );
}
static void convert_to_8(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
BYTE *dst_start = get_pixel_ptr_8(dst, 0, 0), *dst_pixel;
INT x, y, pad_size = ((dst->width + 3) & ~3) - (src_rect->right - src_rect->left);
DWORD src_val;
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = rgb_lookup_colortable(dst, src_val >> 16, src_val >> 8, src_val );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = rgb_lookup_colortable(dst,
src_val >> src->red_shift,
src_val >> src->green_shift,
src_val >> src->blue_shift );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = rgb_lookup_colortable(dst,
get_field(src_val, src->red_shift, src->red_len),
get_field(src_val, src->green_shift, src->green_len),
get_field(src_val, src->blue_shift, src->blue_len));
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++, src_pixel += 3)
{
*dst_pixel++ = rgb_lookup_colortable(dst, src_pixel[2], src_pixel[1], src_pixel[0] );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = rgb_lookup_colortable(dst,
((src_val >> 7) & 0xf8) | ((src_val >> 12) & 0x07),
((src_val >> 2) & 0xf8) | ((src_val >> 7) & 0x07),
((src_val << 3) & 0xf8) | ((src_val >> 2) & 0x07) );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = rgb_lookup_colortable(dst,
(((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07),
(((src_val >> src->green_shift) << 3) & 0xf8) |
(((src_val >> src->green_shift) >> 2) & 0x07),
(((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07) );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = rgb_lookup_colortable(dst,
(((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07),
(((src_val >> src->green_shift) << 2) & 0xfc) |
(((src_val >> src->green_shift) >> 4) & 0x03),
(((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07) );
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
*dst_pixel++ = rgb_lookup_colortable(dst,
get_field(src_val, src->red_shift, src->red_len),
get_field(src_val, src->green_shift, src->green_len),
get_field(src_val, src->blue_shift, src->blue_len));
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
if(color_tables_match(dst, src))
{
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
memcpy(dst_start, src_start, (src_rect->bottom - src_rect->top) * src->stride);
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
memcpy(dst_start, src_start, src_rect->right - src_rect->left);
if(pad_size) memset(dst_start + (src_rect->right - src_rect->left), 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
*dst_pixel++ = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
*dst_pixel++ = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
*dst_pixel++ = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue);
}
if(pad_size) memset(dst_pixel, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
}
}
static void convert_to_4(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
BYTE *dst_start = get_pixel_ptr_4(dst, 0, 0), *dst_pixel, dst_val;
INT x, y, pad_size = ((dst->width + 7) & ~7) / 2 - (src_rect->right - src_rect->left + 1) / 2;
DWORD src_val;
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst, src_val >> 16, src_val >> 8, src_val);
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
src_val >> src->red_shift,
src_val >> src->green_shift,
src_val >> src->blue_shift);
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
get_field(src_val, src->red_shift, src->red_len),
get_field(src_val, src->green_shift, src->green_len),
get_field(src_val, src->blue_shift, src->blue_len));
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++, src_pixel += 3)
{
dst_val = rgb_to_pixel_colortable(dst, src_pixel[2], src_pixel[1], src_pixel[0]);
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
((src_val >> 7) & 0xf8) | ((src_val >> 12) & 0x07),
((src_val >> 2) & 0xf8) | ((src_val >> 7) & 0x07),
((src_val << 3) & 0xf8) | ((src_val >> 2) & 0x07) );
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
(((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07),
(((src_val >> src->green_shift) << 3) & 0xf8) |
(((src_val >> src->green_shift) >> 2) & 0x07),
(((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07) );
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
(((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07),
(((src_val >> src->green_shift) << 2) & 0xfc) |
(((src_val >> src->green_shift) >> 4) & 0x03),
(((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07) );
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
get_field(src_val, src->red_shift, src->red_len),
get_field(src_val, src->green_shift, src->green_len),
get_field(src_val, src->blue_shift, src->blue_len));
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
dst_val = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue);
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
if(color_tables_match(dst, src) && (src_rect->left & 1) == 0)
{
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
memcpy(dst_start, src_start, (src_rect->bottom - src_rect->top) * src->stride);
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
memcpy(dst_start, src_start, (src_rect->right - src_rect->left + 1) / 2);
if(pad_size) memset(dst_start + (src_rect->right - src_rect->left + 1) / 2, 0, pad_size);
dst_start += dst->stride;
src_start += src->stride;
}
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
dst_val = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue);
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
}
break;
}
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
dst_val = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue);
if((x - src_rect->left) & 1)
{
*dst_pixel = (dst_val & 0x0f) | (*dst_pixel & 0xf0);
dst_pixel++;
}
else
*dst_pixel = (dst_val << 4) & 0xf0;
}
if(pad_size)
{
if((x - src_rect->left) & 1) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
}
}
static void convert_to_1(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
BYTE *dst_start = get_pixel_ptr_1(dst, 0, 0), *dst_pixel, dst_val;
INT x, y, pad_size = ((dst->width + 31) & ~31) / 8 - (src_rect->right - src_rect->left + 7) / 8;
DWORD src_val;
int bit_pos;
/* FIXME: Brushes should be dithered. */
switch(src->bit_count)
{
case 32:
{
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_8888)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst, src_val >> 16, src_val >> 8, src_val) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else if(src->red_len == 8 && src->green_len == 8 && src->blue_len == 8)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
src_val >> src->red_shift,
src_val >> src->green_shift,
src_val >> src->blue_shift) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
get_field(src_val, src->red_shift, src->red_len),
get_field(src_val, src->green_shift, src->green_len),
get_field(src_val, src->blue_shift, src->blue_len)) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 4;
}
}
break;
}
case 24:
{
BYTE *src_start = get_pixel_ptr_24(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++, src_pixel += 3)
{
dst_val = rgb_to_pixel_colortable(dst, src_pixel[2], src_pixel[1], src_pixel[0]) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 16:
{
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top), *src_pixel;
if(src->funcs == &funcs_555)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
((src_val >> 7) & 0xf8) | ((src_val >> 12) & 0x07),
((src_val >> 2) & 0xf8) | ((src_val >> 7) & 0x07),
((src_val << 3) & 0xf8) | ((src_val >> 2) & 0x07) ) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 5 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
(((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07),
(((src_val >> src->green_shift) << 3) & 0xf8) |
(((src_val >> src->green_shift) >> 2) & 0x07),
(((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07) ) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else if(src->red_len == 5 && src->green_len == 6 && src->blue_len == 5)
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
(((src_val >> src->red_shift) << 3) & 0xf8) |
(((src_val >> src->red_shift) >> 2) & 0x07),
(((src_val >> src->green_shift) << 2) & 0xfc) |
(((src_val >> src->green_shift) >> 4) & 0x03),
(((src_val >> src->blue_shift) << 3) & 0xf8) |
(((src_val >> src->blue_shift) >> 2) & 0x07) ) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
else
{
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
src_val = *src_pixel++;
dst_val = rgb_to_pixel_colortable(dst,
get_field(src_val, src->red_shift, src->red_len),
get_field(src_val, src->green_shift, src->green_len),
get_field(src_val, src->blue_shift, src->blue_len)) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride / 2;
}
}
break;
}
case 8:
{
BYTE *src_start = get_pixel_ptr_8(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
RGBQUAD rgb = src->color_table[*src_pixel++];
dst_val = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
case 4:
{
BYTE *src_start = get_pixel_ptr_4(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
RGBQUAD rgb;
if(x & 1)
rgb = src->color_table[*src_pixel++ & 0xf];
else
rgb = src->color_table[*src_pixel >> 4];
dst_val = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
/* Note that while MSDN states that a 1 bpp dib brush -> mono dc
uses text/bkgnd colours instead of the dib's colour table, this
doesn't appear to be the case for a dc backed by a
dibsection. */
case 1:
{
BYTE *src_start = get_pixel_ptr_1(src, src_rect->left, src_rect->top), *src_pixel;
for(y = src_rect->top; y < src_rect->bottom; y++)
{
dst_pixel = dst_start;
src_pixel = src_start;
for(x = src_rect->left, bit_pos = 0; x < src_rect->right; x++)
{
RGBQUAD rgb;
src_val = (*src_pixel & pixel_masks_1[x % 8]) ? 1 : 0;
if((x % 8) == 7) src_pixel++;
rgb = src->color_table[src_val];
dst_val = rgb_to_pixel_colortable(dst, rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue) ? 0xff : 0;
if(bit_pos == 0) *dst_pixel = 0;
*dst_pixel = (*dst_pixel & ~pixel_masks_1[bit_pos]) | (dst_val & pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
dst_pixel++;
bit_pos = 0;
}
}
if(pad_size)
{
if(bit_pos != 0) dst_pixel++;
memset(dst_pixel, 0, pad_size);
}
dst_start += dst->stride;
src_start += src->stride;
}
break;
}
}
}
static void convert_to_null(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
}
static inline BYTE blend_color(BYTE dst, BYTE src, DWORD alpha)
{
return (src * alpha + dst * (255 - alpha) + 127) / 255;
}
static inline DWORD blend_argb( DWORD dst, DWORD src, DWORD alpha )
{
return (blend_color( dst, src, alpha ) |
blend_color( dst >> 8, src >> 8, alpha ) << 8 |
blend_color( dst >> 16, src >> 16, alpha ) << 16 |
blend_color( dst >> 24, src >> 24, alpha ) << 24);
}
static inline DWORD blend_argb_alpha( DWORD dst, DWORD src, DWORD alpha )
{
BYTE b = ((BYTE)src * alpha + 127) / 255;
BYTE g = ((BYTE)(src >> 8) * alpha + 127) / 255;
BYTE r = ((BYTE)(src >> 16) * alpha + 127) / 255;
alpha = ((BYTE)(src >> 24) * alpha + 127) / 255;
return ((b + ((BYTE)dst * (255 - alpha) + 127) / 255) |
(g + ((BYTE)(dst >> 8) * (255 - alpha) + 127) / 255) << 8 |
(r + ((BYTE)(dst >> 16) * (255 - alpha) + 127) / 255) << 16 |
(alpha + ((BYTE)(dst >> 24) * (255 - alpha) + 127) / 255) << 24);
}
static inline DWORD blend_rgb( BYTE dst_r, BYTE dst_g, BYTE dst_b, DWORD src, BLENDFUNCTION blend )
{
if (blend.AlphaFormat & AC_SRC_ALPHA)
{
DWORD alpha = blend.SourceConstantAlpha;
BYTE src_b = ((BYTE)src * alpha + 127) / 255;
BYTE src_g = ((BYTE)(src >> 8) * alpha + 127) / 255;
BYTE src_r = ((BYTE)(src >> 16) * alpha + 127) / 255;
alpha = ((BYTE)(src >> 24) * alpha + 127) / 255;
return ((src_b + (dst_b * (255 - alpha) + 127) / 255) |
(src_g + (dst_g * (255 - alpha) + 127) / 255) << 8 |
(src_r + (dst_r * (255 - alpha) + 127) / 255) << 16);
}
return (blend_color( dst_b, src, blend.SourceConstantAlpha ) |
blend_color( dst_g, src >> 8, blend.SourceConstantAlpha ) << 8 |
blend_color( dst_r, src >> 16, blend.SourceConstantAlpha ) << 16);
}
static void blend_rect_8888(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x, origin->y );
DWORD *dst_ptr = get_pixel_ptr_32( dst, rc->left, rc->top );
int x, y;
if (blend.AlphaFormat & AC_SRC_ALPHA)
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride / 4, src_ptr += src->stride / 4)
for (x = 0; x < rc->right - rc->left; x++)
dst_ptr[x] = blend_argb_alpha( dst_ptr[x], src_ptr[x], blend.SourceConstantAlpha );
else
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride / 4, src_ptr += src->stride / 4)
for (x = 0; x < rc->right - rc->left; x++)
dst_ptr[x] = blend_argb( dst_ptr[x], src_ptr[x], blend.SourceConstantAlpha );
}
static void blend_rect_32(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x, origin->y );
DWORD *dst_ptr = get_pixel_ptr_32( dst, rc->left, rc->top );
int x, y;
if (dst->red_len == 8 && dst->green_len == 8 && dst->blue_len == 8)
{
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride / 4, src_ptr += src->stride / 4)
{
for (x = 0; x < rc->right - rc->left; x++)
{
DWORD val = blend_rgb( dst_ptr[x] >> dst->red_shift,
dst_ptr[x] >> dst->green_shift,
dst_ptr[x] >> dst->blue_shift,
src_ptr[x], blend );
dst_ptr[x] = ((( val & 0xff) << dst->blue_shift) |
(((val >> 8) & 0xff) << dst->green_shift) |
(((val >> 16) & 0xff) << dst->red_shift));
}
}
}
else
{
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride / 4, src_ptr += src->stride / 4)
{
for (x = 0; x < rc->right - rc->left; x++)
{
DWORD val = blend_rgb( get_field( dst_ptr[x], dst->red_shift, dst->red_len ),
get_field( dst_ptr[x], dst->green_shift, dst->green_len ),
get_field( dst_ptr[x], dst->blue_shift, dst->blue_len ),
src_ptr[x], blend );
dst_ptr[x] = (put_field( val >> 16, dst->red_shift, dst->red_len ) |
put_field( val >> 8, dst->green_shift, dst->green_len ) |
put_field( val, dst->blue_shift, dst->blue_len ));
}
}
}
}
static void blend_rect_24(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x, origin->y );
BYTE *dst_ptr = get_pixel_ptr_24( dst, rc->left, rc->top );
int x, y;
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride, src_ptr += src->stride / 4)
{
for (x = 0; x < rc->right - rc->left; x++)
{
DWORD val = blend_rgb( dst_ptr[x * 3 + 2], dst_ptr[x * 3 + 1], dst_ptr[x * 3],
src_ptr[x], blend );
dst_ptr[x * 3] = val;
dst_ptr[x * 3 + 1] = val >> 8;
dst_ptr[x * 3 + 2] = val >> 16;
}
}
}
static void blend_rect_555(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x, origin->y );
WORD *dst_ptr = get_pixel_ptr_16( dst, rc->left, rc->top );
int x, y;
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride / 2, src_ptr += src->stride / 4)
{
for (x = 0; x < rc->right - rc->left; x++)
{
DWORD val = blend_rgb( ((dst_ptr[x] >> 7) & 0xf8) | ((dst_ptr[x] >> 12) & 0x07),
((dst_ptr[x] >> 2) & 0xf8) | ((dst_ptr[x] >> 7) & 0x07),
((dst_ptr[x] << 3) & 0xf8) | ((dst_ptr[x] >> 2) & 0x07),
src_ptr[x], blend );
dst_ptr[x] = ((val >> 9) & 0x7c00) | ((val >> 6) & 0x03e0) | ((val >> 3) & 0x001f);
}
}
}
static void blend_rect_16(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x, origin->y );
WORD *dst_ptr = get_pixel_ptr_16( dst, rc->left, rc->top );
int x, y;
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride / 2, src_ptr += src->stride / 4)
{
for (x = 0; x < rc->right - rc->left; x++)
{
DWORD val = blend_rgb( get_field( dst_ptr[x], dst->red_shift, dst->red_len ),
get_field( dst_ptr[x], dst->green_shift, dst->green_len ),
get_field( dst_ptr[x], dst->blue_shift, dst->blue_len ),
src_ptr[x], blend );
dst_ptr[x] = (put_field((val >> 16), dst->red_shift, dst->red_len) |
put_field((val >> 8), dst->green_shift, dst->green_len) |
put_field( val, dst->blue_shift, dst->blue_len));
}
}
}
static void blend_rect_8(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x, origin->y );
BYTE *dst_ptr = get_pixel_ptr_8( dst, rc->left, rc->top );
int x, y;
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride, src_ptr += src->stride / 4)
{
for (x = 0; x < rc->right - rc->left; x++)
{
RGBQUAD rgb = dst->color_table[dst_ptr[x]];
DWORD val = blend_rgb( rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue, src_ptr[x], blend );
dst_ptr[x] = rgb_lookup_colortable( dst, val >> 16, val >> 8, val );
}
}
}
static void blend_rect_4(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x - rc->left, origin->y );
BYTE *dst_ptr = get_pixel_ptr_4( dst, 0, rc->top );
int x, y;
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride, src_ptr += src->stride / 4)
{
for (x = rc->left; x < rc->right; x++)
{
DWORD val = ((x & 1) ? dst_ptr[x / 2] : (dst_ptr[x / 2] >> 4)) & 0x0f;
RGBQUAD rgb = dst->color_table[val];
val = blend_rgb( rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue, src_ptr[x], blend );
val = rgb_lookup_colortable( dst, val >> 16, val >> 8, val );
if (x & 1)
dst_ptr[x / 2] = val | (dst_ptr[x / 2] & 0xf0);
else
dst_ptr[x / 2] = (val << 4) | (dst_ptr[x / 2] & 0x0f);
}
}
}
static void blend_rect_1(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
DWORD *src_ptr = get_pixel_ptr_32( src, origin->x - rc->left, origin->y );
BYTE *dst_ptr = get_pixel_ptr_1( dst, 0, rc->top );
int x, y;
for (y = rc->top; y < rc->bottom; y++, dst_ptr += dst->stride, src_ptr += src->stride / 4)
{
for (x = rc->left; x < rc->right; x++)
{
DWORD val = (dst_ptr[x / 8] & pixel_masks_1[x % 8]) ? 1 : 0;
RGBQUAD rgb = dst->color_table[val];
val = blend_rgb( rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue, src_ptr[x], blend );
val = rgb_to_pixel_colortable(dst, val >> 16, val >> 8, val) ? 0xff : 0;
dst_ptr[x / 8] = (dst_ptr[x / 8] & ~pixel_masks_1[x % 8]) | (val & pixel_masks_1[x % 8]);
}
}
}
static void blend_rect_null(const dib_info *dst, const RECT *rc,
const dib_info *src, const POINT *origin, BLENDFUNCTION blend)
{
}
static inline DWORD gradient_rgb_8888( const TRIVERTEX *v, unsigned int pos, unsigned int len )
{
BYTE r, g, b, a;
r = (v[0].Red * (len - pos) + v[1].Red * pos) / len / 256;
g = (v[0].Green * (len - pos) + v[1].Green * pos) / len / 256;
b = (v[0].Blue * (len - pos) + v[1].Blue * pos) / len / 256;
a = (v[0].Alpha * (len - pos) + v[1].Alpha * pos) / len / 256;
return a << 24 | r << 16 | g << 8 | b;
}
static inline DWORD gradient_rgb_24( const TRIVERTEX *v, unsigned int pos, unsigned int len )
{
BYTE r, g, b;
r = (v[0].Red * (len - pos) + v[1].Red * pos) / len / 256;
g = (v[0].Green * (len - pos) + v[1].Green * pos) / len / 256;
b = (v[0].Blue * (len - pos) + v[1].Blue * pos) / len / 256;
return r << 16 | g << 8 | b;
}
static inline WORD gradient_rgb_555( const TRIVERTEX *v, unsigned int pos, unsigned int len,
unsigned int x, unsigned int y )
{
int r = (v[0].Red * (len - pos) + v[1].Red * pos) / len / 128 + bayer_4x4[y % 4][x % 4];
int g = (v[0].Green * (len - pos) + v[1].Green * pos) / len / 128 + bayer_4x4[y % 4][x % 4];
int b = (v[0].Blue * (len - pos) + v[1].Blue * pos) / len / 128 + bayer_4x4[y % 4][x % 4];
r = min( 31, max( 0, r / 16 ));
g = min( 31, max( 0, g / 16 ));
b = min( 31, max( 0, b / 16 ));
return (r << 10) | (g << 5) | b;
}
static inline BYTE gradient_rgb_8( const dib_info *dib, const TRIVERTEX *v,
unsigned int pos, unsigned int len, unsigned int x, unsigned int y )
{
BYTE r = ((v[0].Red * (len - pos) + v[1].Red * pos) / len / 128 + bayer_16x16[y % 16][x % 16]) / 256;
BYTE g = ((v[0].Green * (len - pos) + v[1].Green * pos) / len / 128 + bayer_16x16[y % 16][x % 16]) / 256;
BYTE b = ((v[0].Blue * (len - pos) + v[1].Blue * pos) / len / 128 + bayer_16x16[y % 16][x % 16]) / 256;
return rgb_to_pixel_colortable( dib, r * 127, g * 127, b * 127 );
}
/* compute the left/right triangle limit for row y */
static inline void triangle_coords( const TRIVERTEX *v, const RECT *rc, int y, int *left, int *right )
{
int x1, x2;
if (y < v[1].y) x1 = edge_coord( y, v[0].x, v[0].y, v[1].x, v[1].y );
else x1 = edge_coord( y, v[1].x, v[1].y, v[2].x, v[2].y );
x2 = edge_coord( y, v[0].x, v[0].y, v[2].x, v[2].y );
*left = max( rc->left, min( x1, x2 ) );
*right = min( rc->right, max( x1, x2 ) );
}
/* compute the matrix determinant for triangular barycentric coordinates (constant across the triangle) */
static inline int triangle_det( const TRIVERTEX *v )
{
return (v[2].y - v[1].y) * (v[2].x - v[0].x) - (v[2].x - v[1].x) * (v[2].y - v[0].y);
}
/* compute the barycentric weights for a given point inside the triangle */
static inline void triangle_weights( const TRIVERTEX *v, int x, int y, INT64 *l1, INT64 *l2 )
{
*l1 = (v[1].y - v[2].y) * (x - v[2].x) - (v[1].x - v[2].x) * (y - v[2].y);
*l2 = (v[2].y - v[0].y) * (x - v[2].x) - (v[2].x - v[0].x) * (y - v[2].y);
}
static inline DWORD gradient_triangle_8888( const TRIVERTEX *v, int x, int y, int det )
{
INT64 l1, l2;
BYTE r, g, b, a;
triangle_weights( v, x, y, &l1, &l2 );
r = (v[0].Red * l1 + v[1].Red * l2 + v[2].Red * (det - l1 - l2)) / det / 256;
g = (v[0].Green * l1 + v[1].Green * l2 + v[2].Green * (det - l1 - l2)) / det / 256;
b = (v[0].Blue * l1 + v[1].Blue * l2 + v[2].Blue * (det - l1 - l2)) / det / 256;
a = (v[0].Alpha * l1 + v[1].Alpha * l2 + v[2].Alpha * (det - l1 - l2)) / det / 256;
return a << 24 | r << 16 | g << 8 | b;
}
static inline DWORD gradient_triangle_24( const TRIVERTEX *v, int x, int y, int det )
{
INT64 l1, l2;
BYTE r, g, b;
triangle_weights( v, x, y, &l1, &l2 );
r = (v[0].Red * l1 + v[1].Red * l2 + v[2].Red * (det - l1 - l2)) / det / 256;
g = (v[0].Green * l1 + v[1].Green * l2 + v[2].Green * (det - l1 - l2)) / det / 256;
b = (v[0].Blue * l1 + v[1].Blue * l2 + v[2].Blue * (det - l1 - l2)) / det / 256;
return r << 16 | g << 8 | b;
}
static inline DWORD gradient_triangle_555( const TRIVERTEX *v, int x, int y, int det )
{
INT64 l1, l2;
int r, g, b;
triangle_weights( v, x, y, &l1, &l2 );
r = (v[0].Red * l1 + v[1].Red * l2 + v[2].Red * (det - l1 - l2)) / det / 128 + bayer_4x4[y % 4][x % 4];
g = (v[0].Green * l1 + v[1].Green * l2 + v[2].Green * (det - l1 - l2)) / det / 128 + bayer_4x4[y % 4][x % 4];
b = (v[0].Blue * l1 + v[1].Blue * l2 + v[2].Blue * (det - l1 - l2)) / det / 128 + bayer_4x4[y % 4][x % 4];
r = min( 31, max( 0, r / 16 ));
g = min( 31, max( 0, g / 16 ));
b = min( 31, max( 0, b / 16 ));
return (r << 10) | (g << 5) | b;
}
static inline DWORD gradient_triangle_8( const dib_info *dib, const TRIVERTEX *v, int x, int y, int det )
{
INT64 l1, l2;
BYTE r, g, b;
triangle_weights( v, x, y, &l1, &l2 );
r = ((v[0].Red * l1 + v[1].Red * l2 + v[2].Red * (det - l1 - l2)) / det / 128 + bayer_16x16[y % 16][x % 16]) / 256;
g = ((v[0].Green * l1 + v[1].Green * l2 + v[2].Green * (det - l1 - l2)) / det / 128 + bayer_16x16[y % 16][x % 16]) / 256;
b = ((v[0].Blue * l1 + v[1].Blue * l2 + v[2].Blue * (det - l1 - l2)) / det / 128 + bayer_16x16[y % 16][x % 16]) / 256;
return rgb_to_pixel_colortable( dib, r * 127, g * 127, b * 127 );
}
static BOOL gradient_rect_8888( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
DWORD *ptr = get_pixel_ptr_32( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
for (x = rc->left; x < rc->right; x++)
ptr[x] = gradient_rgb_8888( v, x - v[0].x, v[1].x - v[0].x );
for (y = rc->top + 1, ptr += rc->left; y < rc->bottom; y++, ptr += dib->stride / 4)
memcpy( ptr + dib->stride / 4, ptr, (rc->right - rc->left) * 4 );
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride / 4)
{
DWORD val = gradient_rgb_8888( v, y - v[0].y, v[1].y - v[0].y );
for (x = rc->left; x < rc->right; x++) ptr[x] = val;
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride / 4)
{
triangle_coords( v, rc, y, &left, &right );
for (x = left; x < right; x++) ptr[x] = gradient_triangle_8888( v, x, y, det );
}
break;
}
return TRUE;
}
static BOOL gradient_rect_32( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
DWORD *ptr = get_pixel_ptr_32( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
if (dib->red_len == 8 && dib->green_len == 8 && dib->blue_len == 8)
{
for (x = rc->left; x < rc->right; x++)
{
DWORD val = gradient_rgb_24( v, x - v[0].x, v[1].x - v[0].x );
ptr[x] = ((( val & 0xff) << dib->blue_shift) |
(((val >> 8) & 0xff) << dib->green_shift) |
(((val >> 16) & 0xff) << dib->red_shift));
}
}
else
{
for (x = rc->left; x < rc->right; x++)
{
DWORD val = gradient_rgb_24( v, x - v[0].x, v[1].x - v[0].x );
ptr[x] = (put_field( val >> 16, dib->red_shift, dib->red_len ) |
put_field( val >> 8, dib->green_shift, dib->green_len ) |
put_field( val, dib->blue_shift, dib->blue_len ));
}
}
for (y = rc->top + 1, ptr += rc->left; y < rc->bottom; y++, ptr += dib->stride / 4)
memcpy( ptr + dib->stride / 4, ptr, (rc->right - rc->left) * 4 );
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++)
{
DWORD val = gradient_rgb_24( v, y - v[0].y, v[1].y - v[0].y );
if (dib->red_len == 8 && dib->green_len == 8 && dib->blue_len == 8)
val = ((( val & 0xff) << dib->blue_shift) |
(((val >> 8) & 0xff) << dib->green_shift) |
(((val >> 16) & 0xff) << dib->red_shift));
else
val = (put_field( val >> 16, dib->red_shift, dib->red_len ) |
put_field( val >> 8, dib->green_shift, dib->green_len ) |
put_field( val, dib->blue_shift, dib->blue_len ));
for (x = rc->left; x < rc->right; x++) ptr[x] = val;
ptr += dib->stride / 4;
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride / 4)
{
triangle_coords( v, rc, y, &left, &right );
if (dib->red_len == 8 && dib->green_len == 8 && dib->blue_len == 8)
for (x = left; x < right; x++)
{
DWORD val = gradient_triangle_24( v, x, y, det );
ptr[x] = ((( val & 0xff) << dib->blue_shift) |
(((val >> 8) & 0xff) << dib->green_shift) |
(((val >> 16) & 0xff) << dib->red_shift));
}
else
for (x = left; x < right; x++)
{
DWORD val = gradient_triangle_24( v, x, y, det );
ptr[x] = (put_field( val >> 16, dib->red_shift, dib->red_len ) |
put_field( val >> 8, dib->green_shift, dib->green_len ) |
put_field( val, dib->blue_shift, dib->blue_len ));
}
}
break;
}
return TRUE;
}
static BOOL gradient_rect_24( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
BYTE *ptr = get_pixel_ptr_24( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
for (x = rc->left; x < rc->right; x++)
{
DWORD val = gradient_rgb_24( v, x - v[0].x, v[1].x - v[0].x );
ptr[x * 3] = val;
ptr[x * 3 + 1] = val >> 8;
ptr[x * 3 + 2] = val >> 16;
}
for (y = rc->top + 1, ptr += rc->left * 3; y < rc->bottom; y++, ptr += dib->stride)
memcpy( ptr + dib->stride, ptr, (rc->right - rc->left) * 3 );
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
DWORD val = gradient_rgb_24( v, y - v[0].y, v[1].y - v[0].y );
for (x = rc->left; x < rc->right; x++)
{
ptr[x * 3] = val;
ptr[x * 3 + 1] = val >> 8;
ptr[x * 3 + 2] = val >> 16;
}
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
triangle_coords( v, rc, y, &left, &right );
for (x = left; x < right; x++)
{
DWORD val = gradient_triangle_24( v, x, y, det );
ptr[x * 3] = val;
ptr[x * 3 + 1] = val >> 8;
ptr[x * 3 + 2] = val >> 16;
}
}
break;
}
return TRUE;
}
static BOOL gradient_rect_555( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
WORD *ptr = get_pixel_ptr_16( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
for (y = rc->top; y < min( rc->top + 4, rc->bottom ); y++, ptr += dib->stride / 2)
for (x = rc->left; x < rc->right; x++)
ptr[x] = gradient_rgb_555( v, x - v[0].x, v[1].x - v[0].x, x, y );
for (ptr += rc->left; y < rc->bottom; y++, ptr += dib->stride / 2)
memcpy( ptr, ptr - dib->stride * 2, (rc->right - rc->left) * 2 );
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride / 2)
{
WORD values[4];
for (x = 0; x < 4; x++) values[x] = gradient_rgb_555( v, y - v[0].y, v[1].y - v[0].y, x, y );
for (x = rc->left; x < rc->right; x++) ptr[x] = values[x % 4];
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride / 2)
{
triangle_coords( v, rc, y, &left, &right );
for (x = left; x < right; x++) ptr[x] = gradient_triangle_555( v, x, y, det );
}
break;
}
return TRUE;
}
static BOOL gradient_rect_16( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
WORD *ptr = get_pixel_ptr_16( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
for (y = rc->top; y < min( rc->top + 4, rc->bottom ); y++, ptr += dib->stride / 2)
for (x = rc->left; x < rc->right; x++)
{
WORD val = gradient_rgb_555( v, x - v[0].x, v[1].x - v[0].x, x, y );
ptr[x] = (put_field(((val >> 7) & 0xf8) | ((val >> 12) & 0x07), dib->red_shift, dib->red_len) |
put_field(((val >> 2) & 0xf8) | ((val >> 7) & 0x07), dib->green_shift, dib->green_len) |
put_field(((val << 3) & 0xf8) | ((val >> 2) & 0x07), dib->blue_shift, dib->blue_len));
}
for (ptr += rc->left; y < rc->bottom; y++, ptr += dib->stride / 2)
memcpy( ptr, ptr - dib->stride * 2, (rc->right - rc->left) * 2 );
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride / 2)
{
WORD values[4];
for (x = 0; x < 4; x++)
{
WORD val = gradient_rgb_555( v, y - v[0].y, v[1].y - v[0].y, x, y );
values[x] = (put_field(((val >> 7) & 0xf8) | ((val >> 12) & 0x07), dib->red_shift, dib->red_len) |
put_field(((val >> 2) & 0xf8) | ((val >> 7) & 0x07), dib->green_shift, dib->green_len) |
put_field(((val << 3) & 0xf8) | ((val >> 2) & 0x07), dib->blue_shift, dib->blue_len));
}
for (x = rc->left; x < rc->right; x++) ptr[x] = values[x % 4];
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride / 2)
{
triangle_coords( v, rc, y, &left, &right );
for (x = left; x < right; x++)
{
WORD val = gradient_triangle_555( v, x, y, det );
ptr[x] = (put_field(((val >> 7) & 0xf8) | ((val >> 12) & 0x07), dib->red_shift, dib->red_len) |
put_field(((val >> 2) & 0xf8) | ((val >> 7) & 0x07), dib->green_shift, dib->green_len) |
put_field(((val << 3) & 0xf8) | ((val >> 2) & 0x07), dib->blue_shift, dib->blue_len));
}
}
break;
}
return TRUE;
}
static BOOL gradient_rect_8( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
BYTE *ptr = get_pixel_ptr_8( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
for (y = rc->top; y < min( rc->top + 16, rc->bottom ); y++, ptr += dib->stride)
for (x = rc->left; x < rc->right; x++)
ptr[x] = gradient_rgb_8( dib, v, x - v[0].x, v[1].x - v[0].x, x, y );
for (ptr += rc->left; y < rc->bottom; y++, ptr += dib->stride)
memcpy( ptr, ptr - dib->stride * 16, rc->right - rc->left );
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
BYTE values[16];
for (x = 0; x < 16; x++)
values[x] = gradient_rgb_8( dib, v, y - v[0].y, v[1].y - v[0].y, x, y );
for (x = rc->left; x < rc->right; x++) ptr[x] = values[x % 16];
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
triangle_coords( v, rc, y, &left, &right );
for (x = left; x < right; x++) ptr[x] = gradient_triangle_8( dib, v, x, y, det );
}
break;
}
return TRUE;
}
static BOOL gradient_rect_4( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
BYTE *ptr = get_pixel_ptr_4( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
for (y = rc->top; y < min( rc->top + 16, rc->bottom ); y++, ptr += dib->stride)
{
for (x = rc->left; x < rc->right; x++)
{
BYTE val = gradient_rgb_8( dib, v, x - v[0].x, v[1].x - v[0].x, x, y );
if (x & 1)
ptr[x / 2] = val | (ptr[x / 2] & 0xf0);
else
ptr[x / 2] = (val << 4) | (ptr[x / 2] & 0x0f);
}
}
for ( ; y < rc->bottom; y++, ptr += dib->stride)
{
x = rc->left;
if (x & 1)
{
ptr[x / 2] = (ptr[x / 2 - 16 * dib->stride] & 0x0f) | (ptr[x / 2] & 0xf0);
x++;
}
for (; x < rc->right - 1; x += 2) ptr[x / 2] = ptr[x / 2 - 16 * dib->stride];
if (x < rc->right)
ptr[x / 2] = (ptr[x / 2] & 0x0f) | (ptr[x / 2 - 16 * dib->stride] & 0xf0);
}
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
BYTE values[16];
for (x = 0; x < 16; x++)
values[x] = gradient_rgb_8( dib, v, y - v[0].y, v[1].y - v[0].y, x, y );
for (x = rc->left; x < rc->right; x++)
if (x & 1)
ptr[x / 2] = values[x % 16] | (ptr[x / 2] & 0xf0);
else
ptr[x / 2] = (values[x % 16] << 4) | (ptr[x / 2] & 0x0f);
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
triangle_coords( v, rc, y, &left, &right );
for (x = left; x < right; x++)
{
BYTE val = gradient_triangle_8( dib, v, x, y, det );
if (x & 1)
ptr[x / 2] = val | (ptr[x / 2] & 0xf0);
else
ptr[x / 2] = (val << 4) | (ptr[x / 2] & 0x0f);
}
}
break;
}
return TRUE;
}
static BOOL gradient_rect_1( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
BYTE *ptr = get_pixel_ptr_1( dib, 0, rc->top );
int x, y, left, right, det;
switch (mode)
{
case GRADIENT_FILL_RECT_H:
for (y = rc->top; y < min( rc->top + 16, rc->bottom ); y++, ptr += dib->stride)
{
for (x = rc->left; x < rc->right; x++)
{
BYTE val = gradient_rgb_8( dib, v, x - v[0].x, v[1].x - v[0].x, x, y ) ? 0xff : 0;
ptr[x / 8] = (ptr[x / 8] & ~pixel_masks_1[x % 8]) | (val & pixel_masks_1[x % 8]);
}
}
for ( ; y < rc->bottom; y++, ptr += dib->stride)
for (x = rc->left; x < rc->right; x++)
ptr[x / 8] = (ptr[x / 8] & ~pixel_masks_1[x % 8]) |
(ptr[x / 8 - 16 * dib->stride] & pixel_masks_1[x % 8]);
break;
case GRADIENT_FILL_RECT_V:
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
BYTE values[16];
for (x = 0; x < 16; x++)
values[x] = gradient_rgb_8( dib, v, y - v[0].y, v[1].y - v[0].y, x, y ) ? 0xff : 0;
for (x = rc->left; x < rc->right; x++)
ptr[x / 8] = (ptr[x / 8] & ~pixel_masks_1[x % 8]) | (values[x % 16] & pixel_masks_1[x % 8]);
}
break;
case GRADIENT_FILL_TRIANGLE:
if (!(det = triangle_det( v ))) return FALSE;
for (y = rc->top; y < rc->bottom; y++, ptr += dib->stride)
{
triangle_coords( v, rc, y, &left, &right );
for (x = left; x < right; x++)
{
BYTE val = gradient_triangle_8( dib, v, x, y, det ) ? 0xff : 0;
ptr[x / 8] = (ptr[x / 8] & ~pixel_masks_1[x % 8]) | (val & pixel_masks_1[x % 8]);
}
}
break;
}
return TRUE;
}
static BOOL gradient_rect_null( const dib_info *dib, const RECT *rc, const TRIVERTEX *v, int mode )
{
return TRUE;
}
static inline BYTE aa_color( BYTE dst, BYTE text, BYTE min_comp, BYTE max_comp )
{
if (dst == text) return dst;
if (dst > text)
{
DWORD diff = dst - text;
DWORD range = max_comp - text;
dst = text + (diff * range ) / (0xff - text);
return dst;
}
else
{
DWORD diff = text - dst;
DWORD range = text - min_comp;
dst = text - (diff * range) / text;
return dst;
}
}
static inline DWORD aa_rgb( BYTE r_dst, BYTE g_dst, BYTE b_dst, DWORD text, const struct intensity_range *range )
{
return (aa_color( b_dst, text, range->b_min, range->b_max ) |
aa_color( g_dst, text >> 8, range->g_min, range->g_max ) << 8 |
aa_color( r_dst, text >> 16, range->r_min, range->r_max ) << 16);
}
static void draw_glyph_8888( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
DWORD *dst_ptr = get_pixel_ptr_32( dib, rect->left, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x, origin->y );
int x, y;
for (y = rect->top; y < rect->bottom; y++)
{
for (x = 0; x < rect->right - rect->left; x++)
{
if (glyph_ptr[x] <= 1) continue;
if (glyph_ptr[x] >= 16) { dst_ptr[x] = text_pixel; continue; }
dst_ptr[x] = aa_rgb( dst_ptr[x] >> 16, dst_ptr[x] >> 8, dst_ptr[x], text_pixel, ranges + glyph_ptr[x] );
}
dst_ptr += dib->stride / 4;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_32( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
DWORD *dst_ptr = get_pixel_ptr_32( dib, rect->left, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x, origin->y );
int x, y;
DWORD text, val;
text = get_field( text_pixel, dib->red_shift, dib->red_len ) << 16 |
get_field( text_pixel, dib->green_shift, dib->green_len ) << 8 |
get_field( text_pixel, dib->blue_shift, dib->blue_len );
for (y = rect->top; y < rect->bottom; y++)
{
for (x = 0; x < rect->right - rect->left; x++)
{
if (glyph_ptr[x] <= 1) continue;
if (glyph_ptr[x] >= 16) { dst_ptr[x] = text_pixel; continue; }
val = aa_rgb( get_field(dst_ptr[x], dib->red_shift, dib->red_len),
get_field(dst_ptr[x], dib->green_shift, dib->green_len),
get_field(dst_ptr[x], dib->blue_shift, dib->blue_len),
text, ranges + glyph_ptr[x] );
dst_ptr[x] = (put_field( val >> 16, dib->red_shift, dib->red_len ) |
put_field( val >> 8, dib->green_shift, dib->green_len ) |
put_field( val, dib->blue_shift, dib->blue_len ));
}
dst_ptr += dib->stride / 4;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_24( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
BYTE *dst_ptr = get_pixel_ptr_24( dib, rect->left, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x, origin->y );
int x, y;
DWORD val;
for (y = rect->top; y < rect->bottom; y++)
{
for (x = 0; x < rect->right - rect->left; x++)
{
if (glyph_ptr[x] <= 1) continue;
if (glyph_ptr[x] >= 16)
val = text_pixel;
else
val = aa_rgb( dst_ptr[x * 3 + 2], dst_ptr[x * 3 + 1], dst_ptr[x * 3],
text_pixel, ranges + glyph_ptr[x] );
dst_ptr[x * 3] = val;
dst_ptr[x * 3 + 1] = val >> 8;
dst_ptr[x * 3 + 2] = val >> 16;
}
dst_ptr += dib->stride;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_555( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
WORD *dst_ptr = get_pixel_ptr_16( dib, rect->left, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x, origin->y );
int x, y;
DWORD text, val;
text = ((text_pixel << 9) & 0xf80000) | ((text_pixel << 4) & 0x070000) |
((text_pixel << 6) & 0x00f800) | ((text_pixel << 1) & 0x000700) |
((text_pixel << 3) & 0x0000f8) | ((text_pixel >> 2) & 0x000007);
for (y = rect->top; y < rect->bottom; y++)
{
for (x = 0; x < rect->right - rect->left; x++)
{
if (glyph_ptr[x] <= 1) continue;
if (glyph_ptr[x] >= 16) { dst_ptr[x] = text_pixel; continue; }
val = aa_rgb( ((dst_ptr[x] >> 7) & 0xf8) | ((dst_ptr[x] >> 12) & 0x07),
((dst_ptr[x] >> 2) & 0xf8) | ((dst_ptr[x] >> 7) & 0x07),
((dst_ptr[x] << 3) & 0xf8) | ((dst_ptr[x] >> 2) & 0x07),
text, ranges + glyph_ptr[x] );
dst_ptr[x] = ((val >> 9) & 0x7c00) | ((val >> 6) & 0x03e0) | ((val >> 3) & 0x001f);
}
dst_ptr += dib->stride / 2;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_16( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
WORD *dst_ptr = get_pixel_ptr_16( dib, rect->left, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x, origin->y );
int x, y;
DWORD text, val;
text = get_field( text_pixel, dib->red_shift, dib->red_len ) << 16 |
get_field( text_pixel, dib->green_shift, dib->green_len ) << 8 |
get_field( text_pixel, dib->blue_shift, dib->blue_len );
for (y = rect->top; y < rect->bottom; y++)
{
for (x = 0; x < rect->right - rect->left; x++)
{
if (glyph_ptr[x] <= 1) continue;
if (glyph_ptr[x] >= 16) { dst_ptr[x] = text_pixel; continue; }
val = aa_rgb( get_field(dst_ptr[x], dib->red_shift, dib->red_len),
get_field(dst_ptr[x], dib->green_shift, dib->green_len),
get_field(dst_ptr[x], dib->blue_shift, dib->blue_len),
text, ranges + glyph_ptr[x] );
dst_ptr[x] = (put_field( val >> 16, dib->red_shift, dib->red_len ) |
put_field( val >> 8, dib->green_shift, dib->green_len ) |
put_field( val, dib->blue_shift, dib->blue_len ));
}
dst_ptr += dib->stride / 2;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_8( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
BYTE *dst_ptr = get_pixel_ptr_8( dib, rect->left, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x, origin->y );
int x, y;
for (y = rect->top; y < rect->bottom; y++)
{
for (x = 0; x < rect->right - rect->left; x++)
{
/* no antialiasing, glyph should only contain 0 or 16. */
if (glyph_ptr[x] >= 16)
dst_ptr[x] = text_pixel;
}
dst_ptr += dib->stride;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_4( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
BYTE *dst_ptr = get_pixel_ptr_4( dib, 0, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x - rect->left, origin->y );
int x, y;
for (y = rect->top; y < rect->bottom; y++)
{
for (x = rect->left; x < rect->right; x++)
{
/* no antialiasing, glyph should only contain 0 or 16. */
if (glyph_ptr[x] >= 16)
{
if (x & 1)
dst_ptr[x / 2] = text_pixel | (dst_ptr[x / 2] & 0xf0);
else
dst_ptr[x / 2] = (text_pixel << 4) | (dst_ptr[x / 2] & 0x0f);
}
}
dst_ptr += dib->stride;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_1( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
BYTE *dst_ptr = get_pixel_ptr_1( dib, 0, rect->top );
const BYTE *glyph_ptr = get_pixel_ptr_8( glyph, origin->x - rect->left, origin->y );
int x, y;
BYTE text = (text_pixel & 1) ? 0xff : 0;
for (y = rect->top; y < rect->bottom; y++)
{
for (x = rect->left; x < rect->right; x++)
{
/* no antialiasing, glyph should only contain 0 or 16. */
if (glyph_ptr[x] >= 16)
dst_ptr[x / 8] = (dst_ptr[x / 8] & ~pixel_masks_1[x % 8]) | (text & pixel_masks_1[x % 8]);
}
dst_ptr += dib->stride;
glyph_ptr += glyph->stride;
}
}
static void draw_glyph_null( const dib_info *dib, const RECT *rect, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges )
{
return;
}
static BOOL create_rop_masks_32(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits)
{
BYTE *hatch_start = get_pixel_ptr_1(hatch, 0, 0), *hatch_ptr;
DWORD mask_start = 0, mask_offset;
DWORD *and_bits = bits->and, *xor_bits = bits->xor;
int x, y;
for(y = 0; y < hatch->height; y++)
{
hatch_ptr = hatch_start;
mask_offset = mask_start;
for(x = 0; x < hatch->width; x++)
{
if(*hatch_ptr & pixel_masks_1[x % 8])
{
and_bits[mask_offset] = fg->and;
xor_bits[mask_offset] = fg->xor;
}
else
{
and_bits[mask_offset] = bg->and;
xor_bits[mask_offset] = bg->xor;
}
if(x % 8 == 7) hatch_ptr++;
mask_offset++;
}
hatch_start += hatch->stride;
mask_start += dib->stride / 4;
}
return TRUE;
}
static BOOL create_rop_masks_24(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits)
{
BYTE *hatch_start = get_pixel_ptr_1(hatch, 0, 0), *hatch_ptr;
DWORD mask_start = 0, mask_offset;
BYTE *and_bits = bits->and, *xor_bits = bits->xor;
int x, y;
for(y = 0; y < hatch->height; y++)
{
hatch_ptr = hatch_start;
mask_offset = mask_start;
for(x = 0; x < hatch->width; x++)
{
if(*hatch_ptr & pixel_masks_1[x % 8])
{
and_bits[mask_offset] = fg->and & 0xff;
xor_bits[mask_offset++] = fg->xor & 0xff;
and_bits[mask_offset] = (fg->and >> 8) & 0xff;
xor_bits[mask_offset++] = (fg->xor >> 8) & 0xff;
and_bits[mask_offset] = (fg->and >> 16) & 0xff;
xor_bits[mask_offset++] = (fg->xor >> 16) & 0xff;
}
else
{
and_bits[mask_offset] = bg->and & 0xff;
xor_bits[mask_offset++] = bg->xor & 0xff;
and_bits[mask_offset] = (bg->and >> 8) & 0xff;
xor_bits[mask_offset++] = (bg->xor >> 8) & 0xff;
and_bits[mask_offset] = (bg->and >> 16) & 0xff;
xor_bits[mask_offset++] = (bg->xor >> 16) & 0xff;
}
if(x % 8 == 7) hatch_ptr++;
}
hatch_start += hatch->stride;
mask_start += dib->stride;
}
return TRUE;
}
static BOOL create_rop_masks_16(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits)
{
BYTE *hatch_start = get_pixel_ptr_1(hatch, 0, 0), *hatch_ptr;
DWORD mask_start = 0, mask_offset;
WORD *and_bits = bits->and, *xor_bits = bits->xor;
int x, y;
for(y = 0; y < hatch->height; y++)
{
hatch_ptr = hatch_start;
mask_offset = mask_start;
for(x = 0; x < hatch->width; x++)
{
if(*hatch_ptr & pixel_masks_1[x % 8])
{
and_bits[mask_offset] = fg->and;
xor_bits[mask_offset] = fg->xor;
}
else
{
and_bits[mask_offset] = bg->and;
xor_bits[mask_offset] = bg->xor;
}
if(x % 8 == 7) hatch_ptr++;
mask_offset++;
}
hatch_start += hatch->stride;
mask_start += dib->stride / 2;
}
return TRUE;
}
static BOOL create_rop_masks_8(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits)
{
BYTE *hatch_start = get_pixel_ptr_1(hatch, 0, 0), *hatch_ptr;
DWORD mask_start = 0, mask_offset;
BYTE *and_bits = bits->and, *xor_bits = bits->xor;
int x, y;
for(y = 0; y < hatch->height; y++)
{
hatch_ptr = hatch_start;
mask_offset = mask_start;
for(x = 0; x < hatch->width; x++)
{
if(*hatch_ptr & pixel_masks_1[x % 8])
{
and_bits[mask_offset] = fg->and;
xor_bits[mask_offset] = fg->xor;
}
else
{
and_bits[mask_offset] = bg->and;
xor_bits[mask_offset] = bg->xor;
}
if(x % 8 == 7) hatch_ptr++;
mask_offset++;
}
hatch_start += hatch->stride;
mask_start += dib->stride;
}
return TRUE;
}
static BOOL create_rop_masks_4(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits)
{
BYTE *hatch_start = get_pixel_ptr_1(hatch, 0, 0), *hatch_ptr;
DWORD mask_start = 0, mask_offset;
BYTE *and_bits = bits->and, *xor_bits = bits->xor;
const rop_mask *rop_mask;
int x, y;
for(y = 0; y < hatch->height; y++)
{
hatch_ptr = hatch_start;
mask_offset = mask_start;
for(x = 0; x < hatch->width; x++)
{
if(*hatch_ptr & pixel_masks_1[x % 8])
rop_mask = fg;
else
rop_mask = bg;
if(x & 1)
{
and_bits[mask_offset] = (rop_mask->and & 0x0f) | (and_bits[mask_offset] & 0xf0);
xor_bits[mask_offset] = (rop_mask->xor & 0x0f) | (xor_bits[mask_offset] & 0xf0);
mask_offset++;
}
else
{
and_bits[mask_offset] = (rop_mask->and << 4) & 0xf0;
xor_bits[mask_offset] = (rop_mask->xor << 4) & 0xf0;
}
if(x % 8 == 7) hatch_ptr++;
}
hatch_start += hatch->stride;
mask_start += dib->stride;
}
return TRUE;
}
static BOOL create_rop_masks_1(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits)
{
BYTE *hatch_start = get_pixel_ptr_1(hatch, 0, 0), *hatch_ptr;
DWORD mask_start = 0, mask_offset;
BYTE *and_bits = bits->and, *xor_bits = bits->xor;
rop_mask rop_mask;
int x, y, bit_pos;
for(y = 0; y < hatch->height; y++)
{
hatch_ptr = hatch_start;
mask_offset = mask_start;
for(x = 0, bit_pos = 0; x < hatch->width; x++)
{
if(*hatch_ptr & pixel_masks_1[x % 8])
{
rop_mask.and = (fg->and & 1) ? 0xff : 0;
rop_mask.xor = (fg->xor & 1) ? 0xff : 0;
}
else
{
rop_mask.and = (bg->and & 1) ? 0xff : 0;
rop_mask.xor = (bg->xor & 1) ? 0xff : 0;
}
if(bit_pos == 0) and_bits[mask_offset] = xor_bits[mask_offset] = 0;
and_bits[mask_offset] = (rop_mask.and & pixel_masks_1[bit_pos]) | (and_bits[mask_offset] & ~pixel_masks_1[bit_pos]);
xor_bits[mask_offset] = (rop_mask.xor & pixel_masks_1[bit_pos]) | (xor_bits[mask_offset] & ~pixel_masks_1[bit_pos]);
if(++bit_pos == 8)
{
mask_offset++;
hatch_ptr++;
bit_pos = 0;
}
}
hatch_start += hatch->stride;
mask_start += dib->stride;
}
return TRUE;
}
static BOOL create_rop_masks_null(const dib_info *dib, const dib_info *hatch, const rop_mask *fg, const rop_mask *bg, rop_mask_bits *bits)
{
return FALSE;
}
static inline void rop_codes_from_stretch_mode( int mode, struct rop_codes *codes )
{
switch (mode)
{
default:
case STRETCH_DELETESCANS:
get_rop_codes( R2_COPYPEN, codes );
break;
case STRETCH_ORSCANS:
get_rop_codes( R2_MERGEPEN, codes );
break;
case STRETCH_ANDSCANS:
get_rop_codes( R2_MASKPEN, codes );
break;
}
return;
}
static void stretch_row_32(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
DWORD *dst_ptr = get_pixel_ptr_32( dst_dib, dst_start->x, dst_start->y );
DWORD *src_ptr = get_pixel_ptr_32( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
do_rop_codes_32( dst_ptr, *src_ptr, &codes );
dst_ptr += params->dst_inc;
if (err > 0)
{
src_ptr += params->src_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void stretch_row_24(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_24( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_24( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
do_rop_codes_8( dst_ptr, *src_ptr, &codes );
do_rop_codes_8( dst_ptr + 1, *(src_ptr + 1), &codes );
do_rop_codes_8( dst_ptr + 2, *(src_ptr + 2), &codes );
dst_ptr += 3 * params->dst_inc;
if (err > 0)
{
src_ptr += 3 * params->src_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void stretch_row_16(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
WORD *dst_ptr = get_pixel_ptr_16( dst_dib, dst_start->x, dst_start->y );
WORD *src_ptr = get_pixel_ptr_16( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
do_rop_codes_16( dst_ptr, *src_ptr, &codes );
dst_ptr += params->dst_inc;
if (err > 0)
{
src_ptr += params->src_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void stretch_row_8(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_8( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_8( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
do_rop_codes_8( dst_ptr, *src_ptr, &codes );
dst_ptr += params->dst_inc;
if (err > 0)
{
src_ptr += params->src_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void stretch_row_4(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_4( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_4( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width, dst_x = dst_start->x, src_x = src_start->x;
struct rop_codes codes;
BYTE src_val;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
if (src_x & 1) src_val = (*src_ptr & 0x0f) | (*src_ptr << 4);
else src_val = (*src_ptr & 0xf0) | (*src_ptr >> 4);
do_rop_codes_mask_8( dst_ptr, src_val, &codes, (dst_x & 1) ? 0x0f : 0xf0 );
if ((dst_x & ~1) != ((dst_x + params->dst_inc) & ~1))
dst_ptr += params->dst_inc;
dst_x += params->dst_inc;
if (err > 0)
{
if ((src_x & ~1) != ((src_x + params->src_inc) & ~1))
src_ptr += params->src_inc;
src_x += params->src_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void stretch_row_1(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_1( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_1( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width, dst_x = dst_start->x, src_x = src_start->x;
struct rop_codes codes;
BYTE src_val;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
src_val = *src_ptr & pixel_masks_1[src_x % 8] ? 0xff : 0;
do_rop_codes_mask_8( dst_ptr, src_val, &codes, pixel_masks_1[dst_x % 8] );
if ((dst_x & ~7) != ((dst_x + params->dst_inc) & ~7))
dst_ptr += params->dst_inc;
dst_x += params->dst_inc;
if (err > 0)
{
if ((src_x & ~7) != ((src_x + params->src_inc) & ~7))
src_ptr += params->src_inc;
src_x += params->src_inc;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void stretch_row_null(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
FIXME("bit count %d\n", dst_dib->bit_count);
return;
}
static void shrink_row_32(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
DWORD *dst_ptr = get_pixel_ptr_32( dst_dib, dst_start->x, dst_start->y );
DWORD *src_ptr = get_pixel_ptr_32( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
DWORD init_val = (mode == STRETCH_ANDSCANS) ? ~0u : 0u;
BOOL new_pix = TRUE;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
if (new_pix && !keep_dst) *dst_ptr = init_val;
do_rop_codes_32( dst_ptr, *src_ptr, &codes );
new_pix = FALSE;
src_ptr += params->src_inc;
if (err > 0)
{
dst_ptr += params->dst_inc;
new_pix = TRUE;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void shrink_row_24(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_24( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_24( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
BYTE init_val = (mode == STRETCH_ANDSCANS) ? ~0u : 0u;
BOOL new_pix = TRUE;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
if (new_pix && !keep_dst) memset( dst_ptr, init_val, 3 );
do_rop_codes_8( dst_ptr, *src_ptr, &codes );
do_rop_codes_8( dst_ptr + 1, *(src_ptr + 1), &codes );
do_rop_codes_8( dst_ptr + 2, *(src_ptr + 2), &codes );
new_pix = FALSE;
src_ptr += 3 * params->src_inc;
if (err > 0)
{
dst_ptr += 3 * params->dst_inc;
new_pix = TRUE;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void shrink_row_16(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
WORD *dst_ptr = get_pixel_ptr_16( dst_dib, dst_start->x, dst_start->y );
WORD *src_ptr = get_pixel_ptr_16( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
WORD init_val = (mode == STRETCH_ANDSCANS) ? ~0u : 0u;
BOOL new_pix = TRUE;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
if (new_pix && !keep_dst) *dst_ptr = init_val;
do_rop_codes_16( dst_ptr, *src_ptr, &codes );
new_pix = FALSE;
src_ptr += params->src_inc;
if (err > 0)
{
dst_ptr += params->dst_inc;
new_pix = TRUE;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void shrink_row_8(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_8( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_8( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width;
struct rop_codes codes;
BYTE init_val = (mode == STRETCH_ANDSCANS) ? ~0u : 0u;
BOOL new_pix = TRUE;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
if (new_pix && !keep_dst) *dst_ptr = init_val;
do_rop_codes_8( dst_ptr, *src_ptr, &codes );
new_pix = FALSE;
src_ptr += params->src_inc;
if (err > 0)
{
dst_ptr += params->dst_inc;
new_pix = TRUE;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void shrink_row_4(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_4( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_4( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width, dst_x = dst_start->x, src_x = src_start->x;
struct rop_codes codes;
BYTE src_val, init_val = (mode == STRETCH_ANDSCANS) ? ~0u : 0u;
BOOL new_pix = TRUE;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
if (new_pix && !keep_dst) do_rop_mask_8( dst_ptr, 0, init_val, (dst_x & 1) ? 0x0f : 0xf0 );
if (src_x & 1) src_val = (*src_ptr & 0x0f) | (*src_ptr << 4);
else src_val = (*src_ptr & 0xf0) | (*src_ptr >> 4);
do_rop_codes_mask_8( dst_ptr, src_val, &codes, (dst_x & 1) ? 0x0f : 0xf0 );
new_pix = FALSE;
if ((src_x & ~1) != ((src_x + params->src_inc) & ~1))
src_ptr += params->src_inc;
src_x += params->src_inc;
if (err > 0)
{
if ((dst_x & ~1) != ((dst_x + params->dst_inc) & ~1))
dst_ptr += params->dst_inc;
dst_x += params->dst_inc;
new_pix = TRUE;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void shrink_row_1(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
BYTE *dst_ptr = get_pixel_ptr_1( dst_dib, dst_start->x, dst_start->y );
BYTE *src_ptr = get_pixel_ptr_1( src_dib, src_start->x, src_start->y );
int err = params->err_start;
int width, dst_x = dst_start->x, src_x = src_start->x;
struct rop_codes codes;
BYTE src_val, init_val = (mode == STRETCH_ANDSCANS) ? ~0u : 0u;
BOOL new_pix = TRUE;
rop_codes_from_stretch_mode( mode, &codes );
for (width = params->length; width; width--)
{
if (new_pix && !keep_dst) do_rop_mask_8( dst_ptr, 0, init_val, pixel_masks_1[dst_x % 8] );
src_val = *src_ptr & pixel_masks_1[src_x % 8] ? 0xff : 0;
do_rop_codes_mask_8( dst_ptr, src_val, &codes, pixel_masks_1[dst_x % 8] );
new_pix = FALSE;
if ((src_x & ~7) != ((src_x + params->src_inc) & ~7))
src_ptr += params->src_inc;
src_x += params->src_inc;
if (err > 0)
{
if ((dst_x & ~7) != ((dst_x + params->dst_inc) & ~7))
dst_ptr += params->dst_inc;
dst_x += params->dst_inc;
new_pix = TRUE;
err += params->err_add_1;
}
else err += params->err_add_2;
}
}
static void shrink_row_null(const dib_info *dst_dib, const POINT *dst_start,
const dib_info *src_dib, const POINT *src_start,
const struct stretch_params *params, int mode,
BOOL keep_dst)
{
FIXME("bit count %d\n", dst_dib->bit_count);
return;
}
const primitive_funcs funcs_8888 =
{
solid_rects_32,
solid_line_32,
pattern_rects_32,
copy_rect_32,
blend_rect_8888,
gradient_rect_8888,
draw_glyph_8888,
get_pixel_32,
colorref_to_pixel_888,
pixel_to_colorref_888,
convert_to_8888,
create_rop_masks_32,
stretch_row_32,
shrink_row_32
};
const primitive_funcs funcs_32 =
{
solid_rects_32,
solid_line_32,
pattern_rects_32,
copy_rect_32,
blend_rect_32,
gradient_rect_32,
draw_glyph_32,
get_pixel_32,
colorref_to_pixel_masks,
pixel_to_colorref_masks,
convert_to_32,
create_rop_masks_32,
stretch_row_32,
shrink_row_32
};
const primitive_funcs funcs_24 =
{
solid_rects_24,
solid_line_24,
pattern_rects_24,
copy_rect_24,
blend_rect_24,
gradient_rect_24,
draw_glyph_24,
get_pixel_24,
colorref_to_pixel_888,
pixel_to_colorref_888,
convert_to_24,
create_rop_masks_24,
stretch_row_24,
shrink_row_24
};
const primitive_funcs funcs_555 =
{
solid_rects_16,
solid_line_16,
pattern_rects_16,
copy_rect_16,
blend_rect_555,
gradient_rect_555,
draw_glyph_555,
get_pixel_16,
colorref_to_pixel_555,
pixel_to_colorref_555,
convert_to_555,
create_rop_masks_16,
stretch_row_16,
shrink_row_16
};
const primitive_funcs funcs_16 =
{
solid_rects_16,
solid_line_16,
pattern_rects_16,
copy_rect_16,
blend_rect_16,
gradient_rect_16,
draw_glyph_16,
get_pixel_16,
colorref_to_pixel_masks,
pixel_to_colorref_masks,
convert_to_16,
create_rop_masks_16,
stretch_row_16,
shrink_row_16
};
const primitive_funcs funcs_8 =
{
solid_rects_8,
solid_line_8,
pattern_rects_8,
copy_rect_8,
blend_rect_8,
gradient_rect_8,
draw_glyph_8,
get_pixel_8,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
convert_to_8,
create_rop_masks_8,
stretch_row_8,
shrink_row_8
};
const primitive_funcs funcs_4 =
{
solid_rects_4,
solid_line_4,
pattern_rects_4,
copy_rect_4,
blend_rect_4,
gradient_rect_4,
draw_glyph_4,
get_pixel_4,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
convert_to_4,
create_rop_masks_4,
stretch_row_4,
shrink_row_4
};
const primitive_funcs funcs_1 =
{
solid_rects_1,
solid_line_1,
pattern_rects_1,
copy_rect_1,
blend_rect_1,
gradient_rect_1,
draw_glyph_1,
get_pixel_1,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
convert_to_1,
create_rop_masks_1,
stretch_row_1,
shrink_row_1
};
const primitive_funcs funcs_null =
{
solid_rects_null,
solid_line_null,
pattern_rects_null,
copy_rect_null,
blend_rect_null,
gradient_rect_null,
draw_glyph_null,
get_pixel_null,
colorref_to_pixel_null,
pixel_to_colorref_null,
convert_to_null,
create_rop_masks_null,
stretch_row_null,
shrink_row_null
};