diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc | 58 |
1 files changed, 42 insertions, 16 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc b/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc index 8f6d73b639..6c90265d0b 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-directwrite.cc @@ -43,6 +43,14 @@ * Functions for using HarfBuzz with DirectWrite fonts. **/ +/* Declare object creator for dynamic support of DWRITE */ +typedef HRESULT (WINAPI *t_DWriteCreateFactory)( + DWRITE_FACTORY_TYPE factoryType, + REFIID iid, + IUnknown **factory +); + + /* * DirectWrite font stream helpers */ @@ -137,6 +145,7 @@ public: struct hb_directwrite_face_data_t { + HMODULE dwrite_dll; IDWriteFactory *dwriteFactory; IDWriteFontFile *fontFile; DWriteFontFileStream *fontFileStream; @@ -158,12 +167,33 @@ _hb_directwrite_shaper_face_data_create (hb_face_t *face) return nullptr; \ } HB_STMT_END + data->dwrite_dll = LoadLibrary (TEXT ("DWRITE")); + if (unlikely (!data->dwrite_dll)) + FAIL ("Cannot find DWrite.DLL"); + + t_DWriteCreateFactory p_DWriteCreateFactory; + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wcast-function-type" +#endif + + p_DWriteCreateFactory = (t_DWriteCreateFactory) + GetProcAddress (data->dwrite_dll, "DWriteCreateFactory"); + +#if defined(__GNUC__) || defined(__clang__) +#pragma GCC diagnostic pop +#endif + + if (unlikely (!p_DWriteCreateFactory)) + FAIL ("Cannot find DWriteCreateFactory()."); + HRESULT hr; // TODO: factory and fontFileLoader should be cached separately IDWriteFactory* dwriteFactory; - hr = DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory), - (IUnknown**) &dwriteFactory); + hr = p_DWriteCreateFactory (DWRITE_FACTORY_TYPE_SHARED, __uuidof (IDWriteFactory), + (IUnknown**) &dwriteFactory); if (unlikely (hr != S_OK)) FAIL ("Failed to run DWriteCreateFactory()."); @@ -221,14 +251,12 @@ _hb_directwrite_shaper_face_data_destroy (hb_directwrite_face_data_t *data) data->dwriteFactory->UnregisterFontFileLoader (data->fontFileLoader); data->dwriteFactory->Release (); } - if (data->fontFileLoader) - delete data->fontFileLoader; - if (data->fontFileStream) - delete data->fontFileStream; - if (data->faceBlob) - hb_blob_destroy (data->faceBlob); - if (data) - delete data; + delete data->fontFileLoader; + delete data->fontFileStream; + hb_blob_destroy (data->faceBlob); + if (data->dwrite_dll) + FreeLibrary (data->dwrite_dll); + delete data; } @@ -241,17 +269,12 @@ struct hb_directwrite_font_data_t {}; hb_directwrite_font_data_t * _hb_directwrite_shaper_font_data_create (hb_font_t *font) { - hb_directwrite_font_data_t *data = new hb_directwrite_font_data_t; - if (unlikely (!data)) - return nullptr; - - return data; + return (hb_directwrite_font_data_t *) HB_SHAPER_DATA_SUCCEEDED; } void _hb_directwrite_shaper_font_data_destroy (hb_directwrite_font_data_t *data) { - delete data; } @@ -762,6 +785,9 @@ retry_getglyphs: if (isRightToLeft) hb_buffer_reverse (buffer); + buffer->clear_glyph_flags (); + buffer->unsafe_to_break (); + delete [] clusterMap; delete [] glyphIndices; delete [] textProperties; |