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dwrite: Introduce callback interface to initialize freetype face objects.
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
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ff983fe75f
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f3d777ba7d
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@ -486,9 +486,6 @@ extern int dwrite_outline_push_tag(struct dwrite_outline *outline, unsigned char
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extern int dwrite_outline_push_points(struct dwrite_outline *outline, const D2D1_POINT_2F *points,
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unsigned int count) DECLSPEC_HIDDEN;
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extern BOOL init_freetype(void) DECLSPEC_HIDDEN;
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extern void release_freetype(void) DECLSPEC_HIDDEN;
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extern HRESULT freetype_get_design_glyph_metrics(struct dwrite_fontface *fontface, UINT16 glyph,
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DWRITE_GLYPH_METRICS *metrics) DECLSPEC_HIDDEN;
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extern void freetype_notify_cacheremove(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN;
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@ -734,3 +731,17 @@ extern HRESULT shape_get_typographic_features(struct scriptshaping_context *cont
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unsigned int max_tagcount, unsigned int *actual_tagcount, unsigned int *tags) DECLSPEC_HIDDEN;
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extern HRESULT shape_check_typographic_feature(struct scriptshaping_context *context, const unsigned int *scripts,
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unsigned int tag, unsigned int glyph_count, const UINT16 *glyphs, UINT8 *feature_applies) DECLSPEC_HIDDEN;
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struct font_data_context;
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extern HMODULE dwrite_module DECLSPEC_HIDDEN;
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struct font_callback_funcs
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{
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int (CDECL *get_font_data)(void *key, const void **data_ptr, UINT64 *data_size, unsigned int *index,
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struct font_data_context **context);
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void (CDECL *release_font_data)(struct font_data_context *context);
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};
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extern NTSTATUS CDECL init_font_lib(HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out) DECLSPEC_HIDDEN;
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extern void init_font_backend(void) DECLSPEC_HIDDEN;
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extern void release_font_backend(void) DECLSPEC_HIDDEN;
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@ -7958,3 +7958,82 @@ HRESULT create_fontset_builder(IDWriteFactory7 *factory, IDWriteFontSetBuilder2
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return S_OK;
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}
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struct font_data_context
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{
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IDWriteFontFileStream *stream;
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void *context;
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};
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static int CDECL get_font_data_cb(void *key, const void **data_ptr, UINT64 *data_size,
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unsigned int *index, struct font_data_context **ret_context)
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{
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IDWriteFontFace *fontface = key;
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struct font_data_context *context;
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IDWriteFontFileStream *stream;
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IDWriteFontFile *file;
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unsigned int count;
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void *data_context;
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HRESULT hr;
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*ret_context = NULL;
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count = 1;
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if (FAILED(IDWriteFontFace_GetFiles(fontface, &count, &file))) return 1;
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hr = get_filestream_from_file(file, &stream);
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IDWriteFontFile_Release(file);
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if (FAILED(hr)) return 1;
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hr = IDWriteFontFileStream_GetFileSize(stream, data_size);
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if (FAILED(hr))
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{
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IDWriteFontFileStream_Release(stream);
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return 1;
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}
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hr = IDWriteFontFileStream_ReadFileFragment(stream, data_ptr, 0, *data_size, &data_context);
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if (FAILED(hr))
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{
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IDWriteFontFileStream_Release(stream);
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return 1;
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}
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if (!(context = heap_alloc(sizeof(*context))))
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{
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IDWriteFontFileStream_Release(stream);
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return 1;
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}
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context->stream = stream;
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context->context = data_context;
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*ret_context = context;
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*index = IDWriteFontFace_GetIndex(fontface);
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return 0;
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}
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static void CDECL release_font_data_cb(struct font_data_context *context)
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{
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if (!context) return;
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IDWriteFontFileStream_ReleaseFileFragment(context->stream, context->context);
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IDWriteFontFileStream_Release(context->stream);
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heap_free(context);
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}
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struct font_callback_funcs callback_funcs =
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{
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get_font_data_cb,
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release_font_data_cb,
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};
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void init_font_backend(void)
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{
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init_font_lib(dwrite_module, DLL_PROCESS_ATTACH, &callback_funcs, NULL);
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}
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void release_font_backend(void)
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{
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init_font_lib(dwrite_module, DLL_PROCESS_DETACH, &callback_funcs, NULL);
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}
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@ -31,6 +31,8 @@
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#include FT_TRUETYPE_TABLES_H
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#endif /* HAVE_FT2BUILD_H */
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "windef.h"
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#include "wine/debug.h"
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@ -60,6 +62,8 @@ typedef struct
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FT_Int patch;
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} FT_Version_t;
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static const struct font_callback_funcs *callback_funcs;
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#define MAKE_FUNCPTR(f) static typeof(f) * p##f = NULL
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MAKE_FUNCPTR(FT_Done_FreeType);
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MAKE_FUNCPTR(FT_Done_Glyph);
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@ -92,86 +96,44 @@ MAKE_FUNCPTR(FTC_Manager_RemoveFaceID);
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#undef MAKE_FUNCPTR
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static FT_Error (*pFT_Outline_EmboldenXY)(FT_Outline *, FT_Pos, FT_Pos);
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struct face_finalizer_data
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{
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IDWriteFontFileStream *stream;
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void *context;
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};
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static void face_finalizer(void *object)
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{
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FT_Face face = object;
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struct face_finalizer_data *data = (struct face_finalizer_data *)face->generic.data;
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IDWriteFontFileStream_ReleaseFileFragment(data->stream, data->context);
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IDWriteFontFileStream_Release(data->stream);
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heap_free(data);
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callback_funcs->release_font_data((struct font_data_context *)face->generic.data);
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}
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static FT_Error face_requester(FTC_FaceID face_id, FT_Library library, FT_Pointer request_data, FT_Face *face)
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{
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IDWriteFontFace *fontface = (IDWriteFontFace*)face_id;
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IDWriteFontFileStream *stream;
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IDWriteFontFile *file;
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struct font_data_context *context;
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const void *data_ptr;
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UINT32 index, count;
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FT_Error fterror;
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UINT64 data_size;
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void *context;
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HRESULT hr;
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UINT32 index;
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*face = NULL;
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if (!fontface) {
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if (!face_id)
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{
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WARN("NULL fontface requested.\n");
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return FT_Err_Ok;
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}
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count = 1;
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hr = IDWriteFontFace_GetFiles(fontface, &count, &file);
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if (FAILED(hr))
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if (callback_funcs->get_font_data(face_id, &data_ptr, &data_size, &index, &context))
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return FT_Err_Ok;
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hr = get_filestream_from_file(file, &stream);
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IDWriteFontFile_Release(file);
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if (FAILED(hr))
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return FT_Err_Ok;
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hr = IDWriteFontFileStream_GetFileSize(stream, &data_size);
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if (FAILED(hr)) {
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fterror = FT_Err_Invalid_Stream_Read;
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goto fail;
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}
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hr = IDWriteFontFileStream_ReadFileFragment(stream, &data_ptr, 0, data_size, &context);
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if (FAILED(hr)) {
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fterror = FT_Err_Invalid_Stream_Read;
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goto fail;
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}
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index = IDWriteFontFace_GetIndex(fontface);
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fterror = pFT_New_Memory_Face(library, data_ptr, data_size, index, face);
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if (fterror == FT_Err_Ok) {
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struct face_finalizer_data *data;
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data = heap_alloc(sizeof(*data));
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data->stream = stream;
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data->context = context;
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(*face)->generic.data = data;
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if (fterror == FT_Err_Ok)
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{
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(*face)->generic.data = context;
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(*face)->generic.finalizer = face_finalizer;
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return fterror;
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}
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else
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IDWriteFontFileStream_ReleaseFileFragment(stream, context);
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fail:
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IDWriteFontFileStream_Release(stream);
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callback_funcs->release_font_data(context);
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return fterror;
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}
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BOOL init_freetype(void)
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static BOOL init_freetype(void)
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{
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FT_Version_t FT_Version;
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@ -243,12 +205,6 @@ sym_not_found:
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return FALSE;
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}
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void release_freetype(void)
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{
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pFTC_Manager_Done(cache_manager);
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pFT_Done_FreeType(library);
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}
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void freetype_notify_cacheremove(IDWriteFontFace5 *fontface)
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{
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EnterCriticalSection(&freetype_cs);
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@ -790,17 +746,22 @@ INT32 freetype_get_glyph_advance(IDWriteFontFace5 *fontface, FLOAT emSize, UINT1
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return advance;
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}
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static NTSTATUS init_freetype_lib(HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out)
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{
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callback_funcs = ptr_in;
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if (!init_freetype()) return STATUS_DLL_NOT_FOUND;
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return STATUS_SUCCESS;
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}
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static NTSTATUS release_freetype_lib(void)
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{
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pFTC_Manager_Done(cache_manager);
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pFT_Done_FreeType(library);
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return STATUS_SUCCESS;
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}
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#else /* HAVE_FREETYPE */
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BOOL init_freetype(void)
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{
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return FALSE;
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}
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void release_freetype(void)
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{
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}
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void freetype_notify_cacheremove(IDWriteFontFace5 *fontface)
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{
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}
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@ -838,4 +799,23 @@ INT32 freetype_get_glyph_advance(IDWriteFontFace5 *fontface, FLOAT emSize, UINT1
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return 0;
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}
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static NTSTATUS init_freetype_lib(HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out)
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{
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return STATUS_DLL_NOT_FOUND;
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}
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static NTSTATUS release_freetype_lib(void)
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{
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return STATUS_DLL_NOT_FOUND;
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}
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#endif /* HAVE_FREETYPE */
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NTSTATUS CDECL init_font_lib(HMODULE module, DWORD reason, const void *ptr_in, void *ptr_out)
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{
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if (reason == DLL_PROCESS_ATTACH)
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return init_freetype_lib(module, reason, ptr_in, ptr_out);
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else if (reason == DLL_PROCESS_DETACH)
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return release_freetype_lib();
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return STATUS_SUCCESS;
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}
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@ -34,6 +34,7 @@
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WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
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HMODULE dwrite_module = 0;
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static IDWriteFactory7 *shared_factory;
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static void release_shared_factory(IDWriteFactory7 *factory);
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switch (reason)
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{
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case DLL_PROCESS_ATTACH:
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dwrite_module = hinstDLL;
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DisableThreadLibraryCalls( hinstDLL );
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init_freetype();
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init_font_backend();
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init_local_fontfile_loader();
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break;
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case DLL_PROCESS_DETACH:
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if (reserved) break;
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release_shared_factory(shared_factory);
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release_freetype();
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release_font_backend();
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}
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return TRUE;
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}
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