2011-04-05 14:23:20 +02:00
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/*
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* DIB driver primitives.
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*
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* Copyright 2011 Huw Davies
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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2011-05-27 15:36:55 +02:00
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#include <assert.h>
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2011-04-05 14:23:20 +02:00
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#include "gdi_private.h"
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#include "dibdrv.h"
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2011-05-27 14:41:32 +02:00
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(dib);
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2011-04-07 14:46:11 +02:00
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static inline DWORD *get_pixel_ptr_32(const dib_info *dib, int x, int y)
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{
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return (DWORD *)((BYTE*)dib->bits + y * dib->stride + x * 4);
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}
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2011-05-27 14:10:29 +02:00
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static inline WORD *get_pixel_ptr_16(const dib_info *dib, int x, int y)
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{
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return (WORD *)((BYTE*)dib->bits + y * dib->stride + x * 2);
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}
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2011-05-27 15:26:02 +02:00
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static inline BYTE *get_pixel_ptr_8(const dib_info *dib, int x, int y)
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{
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return (BYTE*)dib->bits + y * dib->stride + x;
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}
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2011-04-07 14:46:11 +02:00
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static inline void do_rop_32(DWORD *ptr, DWORD and, DWORD xor)
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{
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*ptr = (*ptr & and) ^ xor;
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}
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2011-05-27 14:10:29 +02:00
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static inline void do_rop_16(WORD *ptr, WORD and, WORD xor)
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{
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*ptr = (*ptr & and) ^ xor;
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}
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2011-05-27 15:26:02 +02:00
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static inline void do_rop_8(BYTE *ptr, BYTE and, BYTE xor)
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{
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*ptr = (*ptr & and) ^ xor;
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}
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2011-05-11 16:16:45 +02:00
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static void solid_rects_32(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
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2011-04-07 14:46:11 +02:00
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{
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DWORD *ptr, *start;
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int x, y, i;
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for(i = 0; i < num; i++, rc++)
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{
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2011-05-27 14:10:29 +02:00
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start = get_pixel_ptr_32(dib, rc->left, rc->top);
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2011-04-07 14:46:11 +02:00
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 4)
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for(x = rc->left, ptr = start; x < rc->right; x++)
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do_rop_32(ptr++, and, xor);
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}
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}
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2011-05-27 14:10:29 +02:00
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static void solid_rects_16(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
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{
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WORD *ptr, *start;
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int x, y, i;
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for(i = 0; i < num; i++, rc++)
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{
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start = get_pixel_ptr_16(dib, rc->left, rc->top);
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 2)
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for(x = rc->left, ptr = start; x < rc->right; x++)
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do_rop_16(ptr++, and, xor);
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}
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}
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2011-05-27 15:26:02 +02:00
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static void solid_rects_8(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
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{
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BYTE *ptr, *start;
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int x, y, i;
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for(i = 0; i < num; i++, rc++)
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{
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start = get_pixel_ptr_8(dib, rc->left, rc->top);
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
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for(x = rc->left, ptr = start; x < rc->right; x++)
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do_rop_8(ptr++, and, xor);
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}
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}
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2011-05-11 16:16:45 +02:00
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static void solid_rects_null(const dib_info *dib, int num, const RECT *rc, DWORD and, DWORD xor)
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2011-04-07 14:46:11 +02:00
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{
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return;
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}
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2011-05-12 13:46:50 +02:00
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static inline INT calc_offset(INT edge, INT size, INT origin)
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{
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INT offset;
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if(edge - origin >= 0)
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offset = (edge - origin) % size;
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else
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{
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offset = (origin - edge) % size;
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if(offset) offset = size - offset;
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}
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return offset;
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}
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static inline POINT calc_brush_offset(const RECT *rc, const dib_info *brush, const POINT *origin)
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{
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POINT offset;
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offset.x = calc_offset(rc->left, brush->width, origin->x);
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offset.y = calc_offset(rc->top, brush->height, origin->y);
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return offset;
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}
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static void pattern_rects_32(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
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const dib_info *brush, void *and_bits, void *xor_bits)
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{
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DWORD *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
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int x, y, i;
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POINT offset;
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for(i = 0; i < num; i++, rc++)
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{
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offset = calc_brush_offset(rc, brush, origin);
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start = get_pixel_ptr_32(dib, rc->left, rc->top);
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start_and = (DWORD*)and_bits + offset.y * brush->stride / 4;
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start_xor = (DWORD*)xor_bits + offset.y * brush->stride / 4;
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 4)
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{
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and_ptr = start_and + offset.x;
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xor_ptr = start_xor + offset.x;
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for(x = rc->left, ptr = start; x < rc->right; x++)
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{
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do_rop_32(ptr++, *and_ptr++, *xor_ptr++);
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if(and_ptr == start_and + brush->width)
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{
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and_ptr = start_and;
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xor_ptr = start_xor;
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}
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}
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offset.y++;
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if(offset.y == brush->height)
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{
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start_and = and_bits;
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start_xor = xor_bits;
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offset.y = 0;
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}
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else
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{
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start_and += brush->stride / 4;
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start_xor += brush->stride / 4;
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}
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}
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}
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}
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2011-05-27 14:10:29 +02:00
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static void pattern_rects_16(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
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const dib_info *brush, void *and_bits, void *xor_bits)
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{
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WORD *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
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int x, y, i;
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POINT offset;
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for(i = 0; i < num; i++, rc++)
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{
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offset = calc_brush_offset(rc, brush, origin);
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start = get_pixel_ptr_16(dib, rc->left, rc->top);
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start_and = (WORD*)and_bits + offset.y * brush->stride / 2;
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start_xor = (WORD*)xor_bits + offset.y * brush->stride / 2;
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride / 2)
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{
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and_ptr = start_and + offset.x;
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xor_ptr = start_xor + offset.x;
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for(x = rc->left, ptr = start; x < rc->right; x++)
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{
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do_rop_16(ptr++, *and_ptr++, *xor_ptr++);
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if(and_ptr == start_and + brush->width)
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{
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and_ptr = start_and;
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xor_ptr = start_xor;
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}
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}
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offset.y++;
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if(offset.y == brush->height)
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{
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start_and = and_bits;
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start_xor = xor_bits;
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offset.y = 0;
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}
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else
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{
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start_and += brush->stride / 2;
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start_xor += brush->stride / 2;
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}
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}
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}
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}
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2011-05-27 15:26:02 +02:00
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static void pattern_rects_8(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
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const dib_info *brush, void *and_bits, void *xor_bits)
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{
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BYTE *ptr, *start, *start_and, *and_ptr, *start_xor, *xor_ptr;
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int x, y, i;
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POINT offset;
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for(i = 0; i < num; i++, rc++)
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{
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offset = calc_brush_offset(rc, brush, origin);
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start = get_pixel_ptr_8(dib, rc->left, rc->top);
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start_and = (BYTE*)and_bits + offset.y * brush->stride;
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start_xor = (BYTE*)xor_bits + offset.y * brush->stride;
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for(y = rc->top; y < rc->bottom; y++, start += dib->stride)
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{
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and_ptr = start_and + offset.x;
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xor_ptr = start_xor + offset.x;
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for(x = rc->left, ptr = start; x < rc->right; x++)
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{
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do_rop_8(ptr++, *and_ptr++, *xor_ptr++);
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if(and_ptr == start_and + brush->width)
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{
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and_ptr = start_and;
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xor_ptr = start_xor;
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}
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}
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offset.y++;
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if(offset.y == brush->height)
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{
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start_and = and_bits;
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start_xor = xor_bits;
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offset.y = 0;
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}
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else
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{
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start_and += brush->stride;
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start_xor += brush->stride;
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}
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}
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}
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}
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2011-05-12 13:46:50 +02:00
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static void pattern_rects_null(const dib_info *dib, int num, const RECT *rc, const POINT *origin,
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const dib_info *brush, void *and_bits, void *xor_bits)
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{
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return;
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}
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2011-04-05 14:23:20 +02:00
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static DWORD colorref_to_pixel_888(const dib_info *dib, COLORREF color)
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{
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return ( ((color >> 16) & 0xff) | (color & 0xff00) | ((color << 16) & 0xff0000) );
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}
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2011-04-05 14:26:08 +02:00
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static inline DWORD put_field(DWORD field, int shift, int len)
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{
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shift = shift - (8 - len);
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if (len <= 8)
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field &= (((1 << len) - 1) << (8 - len));
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if (shift < 0)
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field >>= -shift;
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else
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field <<= shift;
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return field;
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}
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static DWORD colorref_to_pixel_masks(const dib_info *dib, COLORREF colour)
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{
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DWORD r,g,b;
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r = GetRValue(colour);
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g = GetGValue(colour);
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b = GetBValue(colour);
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return put_field(r, dib->red_shift, dib->red_len) |
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put_field(g, dib->green_shift, dib->green_len) |
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put_field(b, dib->blue_shift, dib->blue_len);
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}
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2011-05-27 14:10:29 +02:00
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static DWORD colorref_to_pixel_555(const dib_info *dib, COLORREF color)
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{
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return ( ((color >> 19) & 0x1f) | ((color >> 6) & 0x03e0) | ((color << 7) & 0x7c00) );
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}
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2011-05-27 15:26:02 +02:00
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static DWORD colorref_to_pixel_colortable(const dib_info *dib, COLORREF color)
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{
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int i, best_index = 0;
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RGBQUAD rgb;
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DWORD diff, best_diff = 0xffffffff;
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rgb.rgbRed = GetRValue(color);
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rgb.rgbGreen = GetGValue(color);
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rgb.rgbBlue = GetBValue(color);
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for(i = 0; i < dib->color_table_size; i++)
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{
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RGBQUAD *cur = dib->color_table + i;
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diff = (rgb.rgbRed - cur->rgbRed) * (rgb.rgbRed - cur->rgbRed)
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+ (rgb.rgbGreen - cur->rgbGreen) * (rgb.rgbGreen - cur->rgbGreen)
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+ (rgb.rgbBlue - cur->rgbBlue) * (rgb.rgbBlue - cur->rgbBlue);
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if(diff == 0)
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{
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best_index = i;
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break;
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}
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if(diff < best_diff)
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{
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best_diff = diff;
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best_index = i;
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}
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}
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return best_index;
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}
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2011-05-27 14:10:29 +02:00
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2011-04-05 14:23:20 +02:00
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static DWORD colorref_to_pixel_null(const dib_info *dib, COLORREF color)
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{
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return 0;
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}
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2011-05-27 14:41:32 +02:00
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static BOOL convert_to_8888(dib_info *dst, const dib_info *src, const RECT *src_rect)
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{
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DWORD *dst_start = dst->bits, *dst_pixel, src_val;
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int x, y;
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switch(src->bit_count)
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{
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case 32:
|
|
|
|
{
|
|
|
|
DWORD *src_start = get_pixel_ptr_32(src, src_rect->left, src_rect->top);
|
|
|
|
if(src->funcs == &funcs_8888)
|
|
|
|
{
|
|
|
|
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
|
|
|
|
memcpy(dst->bits, 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);
|
|
|
|
dst_start += dst->stride / 4;
|
|
|
|
src_start += src->stride / 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 32 -> 8888\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 4;
|
|
|
|
src_start += src->stride / 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 16 -> 8888\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 15:36:55 +02:00
|
|
|
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_val = *src_pixel++;
|
|
|
|
if(src_val >= src->color_table_size) src_val = src->color_table_size - 1;
|
|
|
|
rgb = src->color_table[src_val];
|
|
|
|
*dst_pixel++ = rgb.rgbRed << 16 | rgb.rgbGreen << 8 | rgb.rgbBlue;
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 4;
|
|
|
|
src_start += src->stride;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 14:41:32 +02:00
|
|
|
default:
|
|
|
|
FIXME("Unsupported conversion: %d -> 8888\n", src->bit_count);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static BOOL convert_to_32(dib_info *dst, const dib_info *src, const RECT *src_rect)
|
|
|
|
{
|
|
|
|
DWORD *dst_start = dst->bits, *dst_pixel, src_val;
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
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) & 0xff, dst->red_shift, dst->red_len) |
|
|
|
|
put_field((src_val >> 8) & 0xff, dst->green_shift, dst->green_len) |
|
|
|
|
put_field( src_val & 0xff, dst->blue_shift, dst->blue_len);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 4;
|
|
|
|
src_start += src->stride / 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 32 -> 32\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 4;
|
|
|
|
src_start += src->stride / 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 16 -> 8888\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 15:36:55 +02:00
|
|
|
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_val = *src_pixel++;
|
|
|
|
if(src_val >= src->color_table_size) src_val = src->color_table_size - 1;
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 4;
|
|
|
|
src_start += src->stride;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 14:41:32 +02:00
|
|
|
default:
|
|
|
|
FIXME("Unsupported conversion: %d -> 32\n", src->bit_count);
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static BOOL convert_to_555(dib_info *dst, const dib_info *src, const RECT *src_rect)
|
|
|
|
{
|
|
|
|
WORD *dst_start = dst->bits, *dst_pixel;
|
|
|
|
INT x, y;
|
|
|
|
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) & 0x001e);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 2;
|
|
|
|
src_start += src->stride / 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 32 -> 555\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case 16:
|
|
|
|
{
|
|
|
|
WORD *src_start = get_pixel_ptr_16(src, src_rect->left, src_rect->top);
|
|
|
|
if(src->funcs == &funcs_555)
|
|
|
|
{
|
|
|
|
if(src->stride > 0 && dst->stride > 0 && src_rect->left == 0 && src_rect->right == src->width)
|
|
|
|
memcpy(dst->bits, 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);
|
|
|
|
dst_start += dst->stride / 2;
|
|
|
|
src_start += src->stride / 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 16 -> 555\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 15:36:55 +02:00
|
|
|
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_val = *src_pixel++;
|
|
|
|
if(src_val >= src->color_table_size) src_val = src->color_table_size - 1;
|
|
|
|
rgb = src->color_table[src_val];
|
|
|
|
*dst_pixel++ = ((rgb.rgbRed << 7) & 0x7c00) |
|
|
|
|
((rgb.rgbGreen << 2) & 0x03e0) |
|
|
|
|
((rgb.rgbBlue >> 3) & 0x001f);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 2;
|
|
|
|
src_start += src->stride;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 14:41:32 +02:00
|
|
|
default:
|
|
|
|
FIXME("Unsupported conversion: %d -> 555\n", src->bit_count);
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
|
|
|
static BOOL convert_to_16(dib_info *dst, const dib_info *src, const RECT *src_rect)
|
|
|
|
{
|
|
|
|
WORD *dst_start = dst->bits, *dst_pixel;
|
|
|
|
INT x, y;
|
|
|
|
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) & 0xff, dst->red_shift, dst->red_len) |
|
|
|
|
put_field((src_val >> 8) & 0xff, dst->green_shift, dst->green_len) |
|
|
|
|
put_field( src_val & 0xff, dst->blue_shift, dst->blue_len);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 2;
|
|
|
|
src_start += src->stride / 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 32 -> 16\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 2;
|
|
|
|
src_start += src->stride / 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 16 -> 16\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 15:36:55 +02:00
|
|
|
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_val = *src_pixel++;
|
|
|
|
if(src_val >= src->color_table_size) src_val = src->color_table_size - 1;
|
|
|
|
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);
|
|
|
|
}
|
|
|
|
dst_start += dst->stride / 2;
|
|
|
|
src_start += src->stride;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
2011-05-27 14:41:32 +02:00
|
|
|
default:
|
|
|
|
FIXME("Unsupported conversion: %d -> 16\n", src->bit_count);
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2011-05-27 15:36:55 +02:00
|
|
|
static inline BOOL color_tables_match(const dib_info *d1, const dib_info *d2)
|
|
|
|
{
|
|
|
|
assert(d1->color_table_size && d2->color_table_size);
|
|
|
|
|
|
|
|
if(d1->color_table_size != d2->color_table_size) return FALSE;
|
|
|
|
return !memcmp(d1->color_table, d2->color_table, d1->color_table_size * sizeof(d1->color_table[0]));
|
|
|
|
}
|
|
|
|
|
2011-05-27 15:26:02 +02:00
|
|
|
static BOOL convert_to_8(dib_info *dst, const dib_info *src, const RECT *src_rect)
|
|
|
|
{
|
|
|
|
BYTE *dst_start = dst->bits, *dst_pixel;
|
|
|
|
INT x, y;
|
|
|
|
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++ = colorref_to_pixel_colortable(dst, ((src_val >> 16) & 0x0000ff) |
|
|
|
|
( src_val & 0x00ff00) |
|
|
|
|
((src_val << 16) & 0xff0000) );
|
|
|
|
}
|
|
|
|
dst_start += dst->stride;
|
|
|
|
src_start += src->stride / 4;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 32 -> 8\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
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++ = colorref_to_pixel_colortable(dst, ((src_val >> 7) & 0x0000f8) | ((src_val >> 12) & 0x000007) |
|
|
|
|
((src_val << 6) & 0x00f800) | ((src_val << 1) & 0x000700) |
|
|
|
|
((src_val << 19) & 0xf80000) | ((src_val << 14) & 0x070000) );
|
|
|
|
}
|
|
|
|
dst_start += dst->stride;
|
|
|
|
src_start += src->stride / 2;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
FIXME("Unsupported conversion: 16 -> 8\n");
|
|
|
|
return FALSE;
|
|
|
|
}
|
|
|
|
break;
|
2011-05-27 15:36:55 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
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->bits, 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);
|
|
|
|
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_val = *src_pixel++;
|
|
|
|
if(src_val >= src->color_table_size) src_val = src->color_table_size - 1;
|
|
|
|
rgb = src->color_table[src_val];
|
|
|
|
*dst_pixel++ = colorref_to_pixel_colortable(dst, RGB(rgb.rgbRed, rgb.rgbGreen, rgb.rgbBlue));
|
|
|
|
}
|
|
|
|
dst_start += dst->stride;
|
|
|
|
src_start += src->stride;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
break;
|
2011-05-27 15:26:02 +02:00
|
|
|
}
|
|
|
|
|
|
|
|
default:
|
|
|
|
FIXME("Unsupported conversion: %d -> 8\n", src->bit_count);
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
}
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2011-05-27 14:41:32 +02:00
|
|
|
static BOOL convert_to_null(dib_info *dst, const dib_info *src, const RECT *src_rect)
|
|
|
|
{
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2011-04-05 14:23:20 +02:00
|
|
|
const primitive_funcs funcs_8888 =
|
|
|
|
{
|
2011-04-07 14:46:11 +02:00
|
|
|
solid_rects_32,
|
2011-05-12 13:46:50 +02:00
|
|
|
pattern_rects_32,
|
2011-05-27 14:41:32 +02:00
|
|
|
colorref_to_pixel_888,
|
|
|
|
convert_to_8888
|
2011-04-05 14:23:20 +02:00
|
|
|
};
|
|
|
|
|
2011-04-05 14:26:08 +02:00
|
|
|
const primitive_funcs funcs_32 =
|
|
|
|
{
|
2011-04-07 14:46:11 +02:00
|
|
|
solid_rects_32,
|
2011-05-12 13:46:50 +02:00
|
|
|
pattern_rects_32,
|
2011-05-27 14:41:32 +02:00
|
|
|
colorref_to_pixel_masks,
|
|
|
|
convert_to_32
|
2011-04-05 14:26:08 +02:00
|
|
|
};
|
|
|
|
|
2011-05-27 14:10:29 +02:00
|
|
|
const primitive_funcs funcs_555 =
|
|
|
|
{
|
|
|
|
solid_rects_16,
|
|
|
|
pattern_rects_16,
|
2011-05-27 14:41:32 +02:00
|
|
|
colorref_to_pixel_555,
|
|
|
|
convert_to_555
|
2011-05-27 14:10:29 +02:00
|
|
|
};
|
|
|
|
|
|
|
|
const primitive_funcs funcs_16 =
|
|
|
|
{
|
|
|
|
solid_rects_16,
|
|
|
|
pattern_rects_16,
|
2011-05-27 14:41:32 +02:00
|
|
|
colorref_to_pixel_masks,
|
|
|
|
convert_to_16
|
2011-05-27 14:10:29 +02:00
|
|
|
};
|
|
|
|
|
2011-05-27 15:26:02 +02:00
|
|
|
const primitive_funcs funcs_8 =
|
|
|
|
{
|
|
|
|
solid_rects_8,
|
|
|
|
pattern_rects_8,
|
|
|
|
colorref_to_pixel_colortable,
|
|
|
|
convert_to_8
|
|
|
|
};
|
|
|
|
|
2011-04-05 14:23:20 +02:00
|
|
|
const primitive_funcs funcs_null =
|
|
|
|
{
|
2011-04-07 14:46:11 +02:00
|
|
|
solid_rects_null,
|
2011-05-12 13:46:50 +02:00
|
|
|
pattern_rects_null,
|
2011-05-27 14:41:32 +02:00
|
|
|
colorref_to_pixel_null,
|
|
|
|
convert_to_null
|
2011-04-05 14:23:20 +02:00
|
|
|
};
|