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dwrite: Pass stream pointer to OpenType parsing code.

This commit is contained in:
Nikolay Sivov 2014-10-08 14:14:51 +04:00 committed by Alexandre Julliard
parent fdc7728219
commit 1e65a32e26
3 changed files with 19 additions and 14 deletions
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2
dlls/dwrite/dwrite_private.h
View File

@ -106,7 +106,7 @@ extern HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface) DE
extern HRESULT font_create_fontface(IDWriteFactory *iface, DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDWriteFontFile* const* font_files, UINT32 index, DWRITE_FONT_SIMULATIONS sim_flags, IDWriteFontFace **font_face) DECLSPEC_HIDDEN;
/* Opentype font table functions */
extern HRESULT analyze_opentype_font(const void* font_data, UINT32* font_count, DWRITE_FONT_FILE_TYPE *file_type, DWRITE_FONT_FACE_TYPE *face_type, BOOL *supported) DECLSPEC_HIDDEN;
extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,UINT32*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,BOOL*) DECLSPEC_HIDDEN;
extern HRESULT find_font_table(IDWriteFontFileStream *stream, UINT32 font_index, UINT32 tag, const void** table_data, void** table_context, UINT32 *table_size, BOOL* found) DECLSPEC_HIDDEN;
extern VOID OpenType_CMAP_GetGlyphIndex(LPVOID data, DWORD utf32c, LPWORD pgi, DWORD flags) DECLSPEC_HIDDEN;
extern VOID get_font_properties(LPCVOID os2, LPCVOID head, LPCVOID post, DWRITE_FONT_METRICS *metrics, DWRITE_FONT_STRETCH *stretch, DWRITE_FONT_WEIGHT *weight, DWRITE_FONT_STYLE *style) DECLSPEC_HIDDEN;

17
dlls/dwrite/font.c
View File

@ -1276,12 +1276,10 @@ static HRESULT WINAPI dwritefontfile_GetLoader(IDWriteFontFile *iface, IDWriteFo
static HRESULT WINAPI dwritefontfile_Analyze(IDWriteFontFile *iface, BOOL *isSupportedFontType, DWRITE_FONT_FILE_TYPE *fontFileType, DWRITE_FONT_FACE_TYPE *fontFaceType, UINT32 *numberOfFaces)
{
HRESULT hr;
const void *font_data;
void *context;
IDWriteFontFileStream *stream;
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
IDWriteFontFileStream *stream;
HRESULT hr;
FIXME("(%p)->(%p, %p, %p, %p): Stub\n", This, isSupportedFontType, fontFileType, fontFaceType, numberOfFaces);
*isSupportedFontType = FALSE;
@ -1293,12 +1291,9 @@ static HRESULT WINAPI dwritefontfile_Analyze(IDWriteFontFile *iface, BOOL *isSup
hr = IDWriteFontFileLoader_CreateStreamFromKey(This->loader, This->reference_key, This->key_size, &stream);
if (FAILED(hr))
return S_OK;
hr = IDWriteFontFileStream_ReadFileFragment(stream, &font_data, 0, 28, &context);
if (SUCCEEDED(hr))
{
hr = analyze_opentype_font(font_data, numberOfFaces, fontFileType, fontFaceType, isSupportedFontType);
IDWriteFontFileStream_ReleaseFileFragment(stream, context);
}
hr = opentype_analyze_font(stream, numberOfFaces, fontFileType, fontFaceType, isSupportedFontType);
/* TODO: Further Analysis */
IDWriteFontFileStream_Release(stream);
return S_OK;

14
dlls/dwrite/opentype.c
View File

@ -180,11 +180,19 @@ typedef struct
} TT_OS2_V2;
#include "poppack.h"
HRESULT analyze_opentype_font(const void* font_data, UINT32* font_count, DWRITE_FONT_FILE_TYPE *file_type, DWRITE_FONT_FACE_TYPE *face_type, BOOL *supported)
HRESULT opentype_analyze_font(IDWriteFontFileStream *stream, UINT32* font_count, DWRITE_FONT_FILE_TYPE *file_type, DWRITE_FONT_FACE_TYPE *face_type, BOOL *supported)
{
/* TODO: Do font validation */
const char* tag = font_data;
const void *font_data;
const char* tag;
void *context;
HRESULT hr;
hr = IDWriteFontFileStream_ReadFileFragment(stream, &font_data, 0, sizeof(TTC_Header_V1), &context);
if (FAILED(hr))
return hr;
tag = font_data;
*supported = FALSE;
*file_type = DWRITE_FONT_FILE_TYPE_UNKNOWN;
if (face_type)
@ -212,6 +220,8 @@ HRESULT analyze_opentype_font(const void* font_data, UINT32* font_count, DWRITE_
{
*file_type = DWRITE_FONT_FILE_TYPE_CFF;
}
IDWriteFontFileStream_ReleaseFileFragment(stream, context);
return S_OK;
}