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dwrite: Implement GetColorPaletteCount().

This commit is contained in:
Nikolay Sivov 2015-08-06 19:43:23 +03:00 committed by Alexandre Julliard
parent 14e4996f6c
commit 20571725f3
3 changed files with 39 additions and 2 deletions
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1
dlls/dwrite/dwrite_private.h
View File

@ -153,6 +153,7 @@ extern void opentype_get_font_metrics(IDWriteFontFileStream*,DWRITE_FONT_FACE_TY
extern HRESULT opentype_get_font_strings_from_id(const void*,DWRITE_INFORMATIONAL_STRING_ID,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
extern HRESULT opentype_get_typographic_features(IDWriteFontFace*,UINT32,UINT32,UINT32,UINT32*,DWRITE_FONT_FEATURE_TAG*) DECLSPEC_HIDDEN;
extern BOOL opentype_get_vdmx_size(const void*,INT,UINT16*,UINT16*) DECLSPEC_HIDDEN;
extern UINT32 opentype_get_cpal_palettecount(const void*) DECLSPEC_HIDDEN;
enum gasp_flags {
GASP_GRIDFIT = 0x0001,

15
dlls/dwrite/font.c
View File

@ -34,6 +34,7 @@ WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
#define MS_NAME_TAG DWRITE_MAKE_OPENTYPE_TAG('n','a','m','e')
#define MS_VDMX_TAG DWRITE_MAKE_OPENTYPE_TAG('V','D','M','X')
#define MS_GASP_TAG DWRITE_MAKE_OPENTYPE_TAG('g','a','s','p')
#define MS_CPAL_TAG DWRITE_MAKE_OPENTYPE_TAG('C','P','A','L')
static const IID IID_issystemcollection = {0x14d88047,0x331f,0x4cd3,{0xbc,0xa8,0x3e,0x67,0x99,0xaf,0x34,0x75}};
@ -154,6 +155,7 @@ struct dwrite_fontface {
struct dwrite_fonttable cmap;
struct dwrite_fonttable vdmx;
struct dwrite_fonttable gasp;
struct dwrite_fonttable cpal;
DWRITE_GLYPH_METRICS *glyphs[GLYPH_MAX/GLYPH_BLOCK_SIZE];
};
@ -262,6 +264,11 @@ static inline void* get_fontface_gasp(struct dwrite_fontface *fontface, UINT32 *
return ptr;
}
static inline void* get_fontface_cpal(struct dwrite_fontface *fontface)
{
return get_fontface_table(fontface, MS_CPAL_TAG, &fontface->cpal);
}
static void release_font_data(struct dwrite_font_data *data)
{
int i;
@ -338,6 +345,8 @@ static ULONG WINAPI dwritefontface_Release(IDWriteFontFace2 *iface)
IDWriteFontFace2_ReleaseFontTable(iface, This->vdmx.context);
if (This->gasp.context)
IDWriteFontFace2_ReleaseFontTable(iface, This->gasp.context);
if (This->cpal.context)
IDWriteFontFace2_ReleaseFontTable(iface, This->cpal.context);
for (i = 0; i < This->file_count; i++) {
if (This->streams[i])
IDWriteFontFileStream_Release(This->streams[i]);
@ -948,8 +957,8 @@ static BOOL WINAPI dwritefontface2_IsColorFont(IDWriteFontFace2 *iface)
static UINT32 WINAPI dwritefontface2_GetColorPaletteCount(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FIXME("(%p): stub\n", This);
return 0;
TRACE("(%p)\n", This);
return opentype_get_cpal_palettecount(get_fontface_cpal(This));
}
static UINT32 WINAPI dwritefontface2_GetPaletteEntryCount(IDWriteFontFace2 *iface)
@ -2476,9 +2485,11 @@ HRESULT create_fontface(DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDW
memset(&fontface->cmap, 0, sizeof(fontface->cmap));
memset(&fontface->vdmx, 0, sizeof(fontface->vdmx));
memset(&fontface->gasp, 0, sizeof(fontface->gasp));
memset(&fontface->cpal, 0, sizeof(fontface->cpal));
fontface->cmap.exists = TRUE;
fontface->vdmx.exists = TRUE;
fontface->gasp.exists = TRUE;
fontface->cpal.exists = TRUE;
fontface->index = index;
fontface->simulations = simulations;
memset(fontface->glyphs, 0, sizeof(fontface->glyphs));

25
dlls/dwrite/opentype.c
View File

@ -668,6 +668,25 @@ static const UINT16 dwriteid_to_opentypeid[DWRITE_INFORMATIONAL_STRING_POSTSCRIP
OPENTYPE_STRING_POSTSCRIPT_CID_NAME
};
/* CPAL table */
struct CPAL_Header_0
{
USHORT version;
USHORT numPaletteEntries;
USHORT numPalette;
USHORT numColorRecords;
ULONG offsetFirstColorRecord;
USHORT colorRecordIndices[1];
};
/* for version == 1, this comes after full CPAL_Header_0 */
struct CPAL_SubHeader_1
{
ULONG offsetPaletteTypeArray;
ULONG offsetPaletteLabelArray;
ULONG offsetPaletteEntryLabelArray;
};
BOOL is_face_type_supported(DWRITE_FONT_FACE_TYPE type)
{
return (type == DWRITE_FONT_FACE_TYPE_CFF) ||
@ -1403,3 +1422,9 @@ WORD opentype_get_gasp_flags(const WORD *ptr, UINT32 size, INT emsize)
done:
return flags;
}
UINT32 opentype_get_cpal_palettecount(const void *cpal)
{
const struct CPAL_Header_0 *header = (const struct CPAL_Header_0*)cpal;
return header ? GET_BE_WORD(header->numPalette) : 0;
}