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gdi32: Add draw_glyph primitives.

This commit is contained in:
Huw Davies 2011-11-14 12:49:06 +00:00 committed by Alexandre Julliard
parent 18520f2e63
commit 5c6f630b98
2 changed files with 248 additions and 0 deletions
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2
dlls/gdi32/dibdrv/dibdrv.h
View File

@ -163,6 +163,8 @@ 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);
void (* draw_glyph)(const dib_info *dst, const RECT *rc, const dib_info *glyph,
const POINT *origin, DWORD text_pixel, const struct intensity_range *ranges);
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);

246
dlls/gdi32/dibdrv/primitives.c
View File

@ -3756,6 +3756,243 @@ static void blend_rect_null(const dib_info *dst, const RECT *rc,
{
}
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;
@ -4395,6 +4632,7 @@ const primitive_funcs funcs_8888 =
pattern_rects_32,
copy_rect_32,
blend_rect_8888,
draw_glyph_8888,
get_pixel_32,
colorref_to_pixel_888,
pixel_to_colorref_888,
@ -4410,6 +4648,7 @@ const primitive_funcs funcs_32 =
pattern_rects_32,
copy_rect_32,
blend_rect_32,
draw_glyph_32,
get_pixel_32,
colorref_to_pixel_masks,
pixel_to_colorref_masks,
@ -4425,6 +4664,7 @@ const primitive_funcs funcs_24 =
pattern_rects_24,
copy_rect_24,
blend_rect_24,
draw_glyph_24,
get_pixel_24,
colorref_to_pixel_888,
pixel_to_colorref_888,
@ -4440,6 +4680,7 @@ const primitive_funcs funcs_555 =
pattern_rects_16,
copy_rect_16,
blend_rect_555,
draw_glyph_555,
get_pixel_16,
colorref_to_pixel_555,
pixel_to_colorref_555,
@ -4455,6 +4696,7 @@ const primitive_funcs funcs_16 =
pattern_rects_16,
copy_rect_16,
blend_rect_16,
draw_glyph_16,
get_pixel_16,
colorref_to_pixel_masks,
pixel_to_colorref_masks,
@ -4470,6 +4712,7 @@ const primitive_funcs funcs_8 =
pattern_rects_8,
copy_rect_8,
blend_rect_8,
draw_glyph_8,
get_pixel_8,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
@ -4485,6 +4728,7 @@ const primitive_funcs funcs_4 =
pattern_rects_4,
copy_rect_4,
blend_rect_4,
draw_glyph_4,
get_pixel_4,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
@ -4500,6 +4744,7 @@ const primitive_funcs funcs_1 =
pattern_rects_1,
copy_rect_1,
blend_rect_1,
draw_glyph_1,
get_pixel_1,
colorref_to_pixel_colortable,
pixel_to_colorref_colortable,
@ -4515,6 +4760,7 @@ const primitive_funcs funcs_null =
pattern_rects_null,
copy_rect_null,
blend_rect_null,
draw_glyph_null,
get_pixel_null,
colorref_to_pixel_null,
pixel_to_colorref_null,