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gdi32: Add get_pixel primitives.

This commit is contained in:
Huw Davies 2011-10-19 12:41:57 +01:00 committed by Alexandre Julliard
parent 07e652b330
commit 70be58c17d
2 changed files with 55 additions and 0 deletions
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1
dlls/gdi32/dibdrv/dibdrv.h
View File

@ -145,6 +145,7 @@ typedef struct primitive_funcs
const POINT *origin, int rop2, int overlap);
void (* blend_rect)(const dib_info *dst, const RECT *rc, const dib_info *src,
const POINT *origin, BLENDFUNCTION blend);
DWORD (* get_pixel)(const dib_info *dib, const POINT *pt);
DWORD (* colorref_to_pixel)(const dib_info *dib, COLORREF color);
COLORREF (* pixel_to_colorref)(const dib_info *dib, DWORD pixel);
void (* convert_to)(dib_info *dst, const dib_info *src, const RECT *src_rect);

54
dlls/gdi32/dibdrv/primitives.c
View File

@ -1025,6 +1025,51 @@ static void copy_rect_null(const dib_info *dst, const RECT *rc,
return;
}
static DWORD get_pixel_32(const dib_info *dib, const POINT *pt)
{
DWORD *ptr = get_pixel_ptr_32( dib, pt->x, pt->y );
return *ptr;
}
static DWORD get_pixel_24(const dib_info *dib, const POINT *pt)
{
BYTE *ptr = get_pixel_ptr_24( dib, pt->x, pt->y );
return ptr[0] | ((DWORD)ptr[1] << 8) | ((DWORD)ptr[2] << 16);
}
static DWORD get_pixel_16(const dib_info *dib, const POINT *pt)
{
WORD *ptr = get_pixel_ptr_16( dib, pt->x, pt->y );
return *ptr;
}
static DWORD get_pixel_8(const dib_info *dib, const POINT *pt)
{
BYTE *ptr = get_pixel_ptr_8( dib, pt->x, pt->y );
return *ptr;
}
static DWORD get_pixel_4(const dib_info *dib, const POINT *pt)
{
BYTE *ptr = get_pixel_ptr_4( dib, pt->x, pt->y );
if (pt->x & 1)
return *ptr & 0x0f;
else
return (*ptr >> 4) & 0x0f;
}
static DWORD get_pixel_1(const dib_info *dib, const POINT *pt)
{
BYTE *ptr = get_pixel_ptr_1( dib, pt->x, pt->y );
return (*ptr & pixel_masks_1[pt->x & 0x7]) ? 1 : 0;
}
static DWORD get_pixel_null(const dib_info *dib, const POINT *pt)
{
return 0;
}
static DWORD colorref_to_pixel_888(const dib_info *dib, COLORREF color)
{
return ( ((color >> 16) & 0xff) | (color & 0xff00) | ((color << 16) & 0xff0000) );
@ -4350,6 +4395,7 @@ const primitive_funcs funcs_8888 =
pattern_rects_32,
copy_rect_32,
blend_rect_8888,
get_pixel_32,
colorref_to_pixel_888,
pixel_to_colorref_888,
convert_to_8888,
@ -4364,6 +4410,7 @@ const primitive_funcs funcs_32 =
pattern_rects_32,
copy_rect_32,
blend_rect_32,
get_pixel_32,
colorref_to_pixel_masks,
pixel_to_colorref_masks,
convert_to_32,
@ -4378,6 +4425,7 @@ const primitive_funcs funcs_24 =
pattern_rects_24,
copy_rect_24,
blend_rect_24,
get_pixel_24,
colorref_to_pixel_888,
pixel_to_colorref_888,
convert_to_24,
@ -4392,6 +4440,7 @@ const primitive_funcs funcs_555 =
pattern_rects_16,
copy_rect_16,
blend_rect_555,
get_pixel_16,
colorref_to_pixel_555,
pixel_to_colorref_555,
convert_to_555,
@ -4406,6 +4455,7 @@ const primitive_funcs funcs_16 =
pattern_rects_16,
copy_rect_16,
blend_rect_16,
get_pixel_16,
colorref_to_pixel_masks,
pixel_to_colorref_masks,
convert_to_16,
@ -4420,6 +4470,7 @@ const primitive_funcs funcs_8 =
pattern_rects_8,
copy_rect_8,
blend_rect_8,
get_pixel_8,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
convert_to_8,
@ -4434,6 +4485,7 @@ const primitive_funcs funcs_4 =
pattern_rects_4,
copy_rect_4,
blend_rect_4,
get_pixel_4,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
convert_to_4,
@ -4448,6 +4500,7 @@ const primitive_funcs funcs_1 =
pattern_rects_1,
copy_rect_1,
blend_rect_1,
get_pixel_1,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
convert_to_1,
@ -4462,6 +4515,7 @@ const primitive_funcs funcs_null =
pattern_rects_null,
copy_rect_null,
blend_rect_null,
get_pixel_null,
colorref_to_pixel_null,
pixel_to_colorref_null,
convert_to_null,