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dwrite: Extract supported image formats from 'sbix' table. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2017-04-25 08:54:42 +03:00 committed by Alexandre Julliard
parent 849c4716c1
commit 7cb57e2ee8
2 changed files with 199 additions and 0 deletions
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100
dlls/dwrite/opentype.c
View File

@ -38,6 +38,13 @@ WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
#define MS_CFF__TAG DWRITE_MAKE_OPENTYPE_TAG('C','F','F',' ')
#define MS_COLR_TAG DWRITE_MAKE_OPENTYPE_TAG('C','O','L','R')
#define MS_SVG__TAG DWRITE_MAKE_OPENTYPE_TAG('S','V','G',' ')
#define MS_SBIX_TAG DWRITE_MAKE_OPENTYPE_TAG('s','b','i','x')
#define MS_MAXP_TAG DWRITE_MAKE_OPENTYPE_TAG('m','a','x','p')
/* 'sbix' formats */
#define MS_PNG__TAG DWRITE_MAKE_OPENTYPE_TAG('p','n','g',' ')
#define MS_JPG__TAG DWRITE_MAKE_OPENTYPE_TAG('j','p','g',' ')
#define MS_TIFF_TAG DWRITE_MAKE_OPENTYPE_TAG('t','i','f','f')
#ifdef WORDS_BIGENDIAN
#define GET_BE_WORD(x) (x)
@ -226,6 +233,31 @@ typedef struct {
USHORT numberOfHMetrics;
} TT_HHEA;
typedef struct {
WORD version;
WORD flags;
DWORD numStrikes;
DWORD strikeOffset[1];
} sbix_header;
typedef struct {
WORD ppem;
WORD ppi;
DWORD glyphDataOffsets[1];
} sbix_strike;
typedef struct {
WORD originOffsetX;
WORD originOffsetY;
DWORD graphicType;
BYTE data[1];
} sbix_glyph_data;
typedef struct {
DWORD version;
WORD numGlyphs;
} maxp;
#include "poppack.h"
enum OS2_FSSELECTION {
@ -2057,6 +2089,71 @@ static BOOL opentype_has_font_table(IDWriteFontFace4 *fontface, UINT32 tag)
return exists;
}
static DWORD opentype_get_sbix_formats(IDWriteFontFace4 *fontface)
{
UINT32 size, s, num_strikes;
const sbix_header *header;
UINT16 g, num_glyphs;
BOOL exists = FALSE;
const maxp *maxp;
const void *data;
DWORD ret = 0;
void *context;
HRESULT hr;
hr = IDWriteFontFace4_TryGetFontTable(fontface, MS_MAXP_TAG, &data, &size, &context, &exists);
if (FAILED(hr) || !exists)
return 0;
maxp = data;
num_glyphs = GET_BE_WORD(maxp->numGlyphs);
IDWriteFontFace4_ReleaseFontTable(fontface, context);
if (FAILED(IDWriteFontFace4_TryGetFontTable(fontface, MS_SBIX_TAG, &data, &size, &context, &exists))) {
WARN("Failed to get 'sbix' table, %#x\n", hr);
return 0;
}
header = data;
num_strikes = GET_BE_DWORD(header->numStrikes);
for (s = 0; s < num_strikes; s++) {
sbix_strike *strike = (sbix_strike *)((BYTE *)header + GET_BE_DWORD(header->strikeOffset[s]));
for (g = 0; g < num_glyphs; g++) {
DWORD offset = GET_BE_DWORD(strike->glyphDataOffsets[g]);
DWORD offset_next = GET_BE_DWORD(strike->glyphDataOffsets[g + 1]);
sbix_glyph_data *glyph_data;
DWORD format;
if (offset == offset_next)
continue;
glyph_data = (sbix_glyph_data *)((BYTE *)strike + offset);
switch (format = glyph_data->graphicType)
{
case MS_PNG__TAG:
ret |= DWRITE_GLYPH_IMAGE_FORMATS_PNG;
break;
case MS_JPG__TAG:
ret |= DWRITE_GLYPH_IMAGE_FORMATS_JPEG;
break;
case MS_TIFF_TAG:
ret |= DWRITE_GLYPH_IMAGE_FORMATS_TIFF;
break;
default:
format = GET_BE_DWORD(format);
FIXME("unexpected bitmap format %s\n", debugstr_an((char *)&format, 4));
}
}
}
IDWriteFontFace4_ReleaseFontTable(fontface, context);
return ret;
}
UINT32 opentype_get_glyph_image_formats(IDWriteFontFace4 *fontface)
{
UINT32 ret = DWRITE_GLYPH_IMAGE_FORMATS_NONE;
@ -2073,6 +2170,9 @@ UINT32 opentype_get_glyph_image_formats(IDWriteFontFace4 *fontface)
if (opentype_has_font_table(fontface, MS_SVG__TAG))
ret |= DWRITE_GLYPH_IMAGE_FORMATS_SVG;
if (opentype_has_font_table(fontface, MS_SBIX_TAG))
ret |= opentype_get_sbix_formats(fontface);
/* TODO: handle embedded bitmaps tables */
return ret;
}

99
dlls/dwrite/tests/font.c
View File

@ -46,6 +46,13 @@
#define MS_CFF__TAG DWRITE_MAKE_OPENTYPE_TAG('C','F','F',' ')
#define MS_COLR_TAG DWRITE_MAKE_OPENTYPE_TAG('C','O','L','R')
#define MS_SVG__TAG DWRITE_MAKE_OPENTYPE_TAG('S','V','G',' ')
#define MS_SBIX_TAG DWRITE_MAKE_OPENTYPE_TAG('s','b','i','x')
#define MS_MAXP_TAG DWRITE_MAKE_OPENTYPE_TAG('m','a','x','p')
/* 'sbix' formats */
#define MS_PNG__TAG DWRITE_MAKE_OPENTYPE_TAG('p','n','g',' ')
#define MS_JPG__TAG DWRITE_MAKE_OPENTYPE_TAG('j','p','g',' ')
#define MS_TIFF_TAG DWRITE_MAKE_OPENTYPE_TAG('t','i','f','f')
#ifdef WORDS_BIGENDIAN
#define GET_BE_WORD(x) (x)
@ -302,6 +309,31 @@ typedef struct {
DWORD ExtensionOffset;
} GSUB_ExtensionPosFormat1;
typedef struct {
WORD version;
WORD flags;
DWORD numStrikes;
DWORD strikeOffset[1];
} sbix_header;
typedef struct {
WORD ppem;
WORD ppi;
DWORD glyphDataOffsets[1];
} sbix_strike;
typedef struct {
WORD originOffsetX;
WORD originOffsetY;
DWORD graphicType;
BYTE data[1];
} sbix_glyph_data;
typedef struct {
DWORD version;
WORD numGlyphs;
} maxp;
#include "poppack.h"
static IDWriteFactory *create_factory(void)
@ -7424,6 +7456,70 @@ static BOOL face_has_table(IDWriteFontFace4 *fontface, UINT32 tag)
return exists;
}
static DWORD get_sbix_formats(IDWriteFontFace4 *fontface)
{
UINT32 size, s, num_strikes;
const sbix_header *header;
UINT16 g, num_glyphs;
BOOL exists = FALSE;
const maxp *maxp;
const void *data;
DWORD ret = 0;
void *context;
HRESULT hr;
hr = IDWriteFontFace4_TryGetFontTable(fontface, MS_MAXP_TAG, &data, &size, &context, &exists);
ok(hr == S_OK, "TryGetFontTable() failed, %#x\n", hr);
ok(exists, "Expected maxp table\n");
if (!exists)
return 0;
maxp = data;
num_glyphs = GET_BE_WORD(maxp->numGlyphs);
hr = IDWriteFontFace4_TryGetFontTable(fontface, MS_SBIX_TAG, &data, &size, &context, &exists);
ok(hr == S_OK, "TryGetFontTable() failed, %#x\n", hr);
ok(exists, "Expected sbix table\n");
header = data;
num_strikes = GET_BE_DWORD(header->numStrikes);
for (s = 0; s < num_strikes; s++) {
sbix_strike *strike = (sbix_strike *)((BYTE *)header + GET_BE_DWORD(header->strikeOffset[s]));
for (g = 0; g < num_glyphs; g++) {
DWORD offset = GET_BE_DWORD(strike->glyphDataOffsets[g]);
DWORD offset_next = GET_BE_DWORD(strike->glyphDataOffsets[g + 1]);
sbix_glyph_data *glyph_data;
DWORD format;
if (offset == offset_next)
continue;
glyph_data = (sbix_glyph_data *)((BYTE *)strike + offset);
switch (format = glyph_data->graphicType)
{
case MS_PNG__TAG:
ret |= DWRITE_GLYPH_IMAGE_FORMATS_PNG;
break;
case MS_JPG__TAG:
ret |= DWRITE_GLYPH_IMAGE_FORMATS_JPEG;
break;
case MS_TIFF_TAG:
ret |= DWRITE_GLYPH_IMAGE_FORMATS_TIFF;
break;
default:
ok(0, "unexpected format, %#x\n", GET_BE_DWORD(format));
}
}
}
IDWriteFontFace4_ReleaseFontTable(fontface, context);
return ret;
}
static DWORD get_face_glyph_image_formats(IDWriteFontFace4 *fontface)
{
DWORD ret = DWRITE_GLYPH_IMAGE_FORMATS_NONE;
@ -7440,6 +7536,9 @@ static DWORD get_face_glyph_image_formats(IDWriteFontFace4 *fontface)
if (face_has_table(fontface, MS_SVG__TAG))
ret |= DWRITE_GLYPH_IMAGE_FORMATS_SVG;
if (face_has_table(fontface, MS_SBIX_TAG))
ret |= get_sbix_formats(fontface);
/* TODO: handle embedded bitmaps tables */
return ret;
}