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gdi32: Add support for 8 bpp brushes.

This commit is contained in:
Huw Davies 2011-05-27 14:36:55 +01:00 committed by Alexandre Julliard
parent 64a34a33b1
commit c4576b4a94
1 changed files with 139 additions and 0 deletions
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139
dlls/gdi32/dibdrv/primitives.c
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@ -18,6 +18,8 @@
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <assert.h>
#include "gdi_private.h"
#include "dibdrv.h"
@ -402,6 +404,27 @@ static BOOL convert_to_8888(dib_info *dst, const dib_info *src, const RECT *src_
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_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;
}
default:
FIXME("Unsupported conversion: %d -> 8888\n", src->bit_count);
return FALSE;
@ -474,6 +497,29 @@ static BOOL convert_to_32(dib_info *dst, const dib_info *src, const RECT *src_re
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_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;
}
default:
FIXME("Unsupported conversion: %d -> 32\n", src->bit_count);
return FALSE;
@ -544,6 +590,29 @@ static BOOL convert_to_555(dib_info *dst, const dib_info *src, const RECT *src_r
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_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;
}
default:
FIXME("Unsupported conversion: %d -> 555\n", src->bit_count);
return FALSE;
@ -617,6 +686,29 @@ static BOOL convert_to_16(dib_info *dst, const dib_info *src, const RECT *src_re
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_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;
}
default:
FIXME("Unsupported conversion: %d -> 16\n", src->bit_count);
return FALSE;
@ -625,6 +717,14 @@ static BOOL convert_to_16(dib_info *dst, const dib_info *src, const RECT *src_re
return TRUE;
}
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]));
}
static BOOL convert_to_8(dib_info *dst, const dib_info *src, const RECT *src_rect)
{
BYTE *dst_start = dst->bits, *dst_pixel;
@ -690,6 +790,45 @@ static BOOL convert_to_8(dib_info *dst, const dib_info *src, const RECT *src_rec
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->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;
}
default:
FIXME("Unsupported conversion: %d -> 8\n", src->bit_count);
return FALSE;