| /* |
| * Copyright 2012 Nikolay Sivov for CodeWeavers |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| */ |
| |
| #include "dwrite_2.h" |
| #include "d2d1.h" |
| |
| #include "wine/debug.h" |
| #include "wine/unicode.h" |
| |
| static const DWRITE_MATRIX identity = |
| { |
| 1.0f, 0.0f, |
| 0.0f, 1.0f, |
| 0.0f, 0.0f |
| }; |
| |
| static inline void *heap_alloc(size_t len) |
| { |
| return HeapAlloc(GetProcessHeap(), 0, len); |
| } |
| |
| static inline void *heap_alloc_zero(size_t len) |
| { |
| return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len); |
| } |
| |
| static inline void *heap_realloc(void *mem, size_t len) |
| { |
| return HeapReAlloc(GetProcessHeap(), 0, mem, len); |
| } |
| |
| static inline void *heap_realloc_zero(void *mem, size_t len) |
| { |
| return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len); |
| } |
| |
| static inline BOOL heap_free(void *mem) |
| { |
| return HeapFree(GetProcessHeap(), 0, mem); |
| } |
| |
| static inline LPWSTR heap_strdupW(const WCHAR *str) |
| { |
| LPWSTR ret = NULL; |
| |
| if(str) { |
| DWORD size; |
| |
| size = (strlenW(str)+1)*sizeof(WCHAR); |
| ret = heap_alloc(size); |
| if(ret) |
| memcpy(ret, str, size); |
| } |
| |
| return ret; |
| } |
| |
| static inline LPWSTR heap_strdupnW(const WCHAR *str, UINT32 len) |
| { |
| WCHAR *ret = NULL; |
| |
| if (len) |
| { |
| ret = heap_alloc((len+1)*sizeof(WCHAR)); |
| if(ret) |
| { |
| memcpy(ret, str, len*sizeof(WCHAR)); |
| ret[len] = 0; |
| } |
| } |
| |
| return ret; |
| } |
| |
| static inline const char *debugstr_range(const DWRITE_TEXT_RANGE *range) |
| { |
| return wine_dbg_sprintf("%u:%u", range->startPosition, range->length); |
| } |
| |
| static inline const char *debugstr_matrix(const DWRITE_MATRIX *m) |
| { |
| if (!m) return "(null)"; |
| return wine_dbg_sprintf("{%.2f,%.2f,%.2f,%.2f,%.2f,%.2f}", m->m11, m->m12, m->m21, m->m22, |
| m->dx, m->dy); |
| } |
| |
| static inline unsigned short get_table_entry(const unsigned short *table, WCHAR ch) |
| { |
| return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)]; |
| } |
| |
| static inline FLOAT get_scaled_advance_width(INT32 advance, FLOAT emSize, const DWRITE_FONT_METRICS *metrics) |
| { |
| return (FLOAT)advance * emSize / (FLOAT)metrics->designUnitsPerEm; |
| } |
| |
| extern HRESULT convert_fontface_to_logfont(IDWriteFontFace*, LOGFONTW*) DECLSPEC_HIDDEN; |
| extern HRESULT create_numbersubstitution(DWRITE_NUMBER_SUBSTITUTION_METHOD,const WCHAR *locale,BOOL,IDWriteNumberSubstitution**) DECLSPEC_HIDDEN; |
| extern HRESULT create_textformat(const WCHAR*,IDWriteFontCollection*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH, |
| FLOAT,const WCHAR*,IDWriteTextFormat**) DECLSPEC_HIDDEN; |
| extern HRESULT create_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,IDWriteTextLayout**) DECLSPEC_HIDDEN; |
| extern HRESULT create_gdicompat_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,FLOAT,const DWRITE_MATRIX*,BOOL,IDWriteTextLayout**) DECLSPEC_HIDDEN; |
| extern HRESULT create_trimmingsign(IDWriteFactory2*,IDWriteTextFormat*,IDWriteInlineObject**) DECLSPEC_HIDDEN; |
| extern HRESULT create_typography(IDWriteTypography**) DECLSPEC_HIDDEN; |
| extern HRESULT create_gdiinterop(IDWriteFactory2*,IDWriteGdiInterop**) DECLSPEC_HIDDEN; |
| extern void release_gdiinterop(IDWriteGdiInterop*) DECLSPEC_HIDDEN; |
| extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; |
| extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN; |
| extern HRESULT clone_localizedstring(IDWriteLocalizedStrings *iface, IDWriteLocalizedStrings **strings) DECLSPEC_HIDDEN; |
| extern void set_en_localizedstring(IDWriteLocalizedStrings*,const WCHAR*) DECLSPEC_HIDDEN; |
| extern HRESULT get_system_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN; |
| extern HRESULT get_eudc_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN; |
| extern HRESULT get_textanalyzer(IDWriteTextAnalyzer**) DECLSPEC_HIDDEN; |
| extern HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file) DECLSPEC_HIDDEN; |
| extern HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface) DECLSPEC_HIDDEN; |
| extern HRESULT create_fontface(DWRITE_FONT_FACE_TYPE,UINT32,IDWriteFontFile* const*,UINT32,DWRITE_FONT_SIMULATIONS,IDWriteFontFace2**) DECLSPEC_HIDDEN; |
| extern HRESULT create_font_collection(IDWriteFactory2*,IDWriteFontFileEnumerator*,BOOL,IDWriteFontCollection**) DECLSPEC_HIDDEN; |
| extern HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE,DWRITE_MEASURING_MODE,DWRITE_GLYPH_RUN const*,FLOAT,const DWRITE_MATRIX*, |
| DWRITE_GRID_FIT_MODE,DWRITE_TEXT_ANTIALIAS_MODE,FLOAT,FLOAT,IDWriteGlyphRunAnalysis**) DECLSPEC_HIDDEN; |
| extern BOOL is_system_collection(IDWriteFontCollection*) DECLSPEC_HIDDEN; |
| extern HRESULT get_local_refkey(const WCHAR*,const FILETIME*,void**,UINT32*) DECLSPEC_HIDDEN; |
| extern HRESULT get_filestream_from_file(IDWriteFontFile*,IDWriteFontFileStream**) DECLSPEC_HIDDEN; |
| extern BOOL is_face_type_supported(DWRITE_FONT_FACE_TYPE) DECLSPEC_HIDDEN; |
| extern HRESULT get_family_names_from_stream(IDWriteFontFileStream*,UINT32,DWRITE_FONT_FACE_TYPE,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; |
| extern HRESULT create_colorglyphenum(FLOAT,FLOAT,const DWRITE_GLYPH_RUN*,const DWRITE_GLYPH_RUN_DESCRIPTION*,DWRITE_MEASURING_MODE, |
| const DWRITE_MATRIX*,UINT32,IDWriteColorGlyphRunEnumerator**) DECLSPEC_HIDDEN; |
| |
| /* Opentype font table functions */ |
| struct dwrite_font_props { |
| DWRITE_FONT_STYLE style; |
| DWRITE_FONT_STRETCH stretch; |
| DWRITE_FONT_WEIGHT weight; |
| DWRITE_PANOSE panose; |
| }; |
| |
| extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,UINT32*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,BOOL*) DECLSPEC_HIDDEN; |
| extern HRESULT opentype_get_font_table(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,UINT32,const void**,void**,UINT32*,BOOL*) DECLSPEC_HIDDEN; |
| extern HRESULT opentype_cmap_get_unicode_ranges(void*,UINT32,DWRITE_UNICODE_RANGE*,UINT32*) DECLSPEC_HIDDEN; |
| extern void opentype_get_font_properties(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,struct dwrite_font_props*) DECLSPEC_HIDDEN; |
| extern void opentype_get_font_metrics(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,DWRITE_FONT_METRICS1*,DWRITE_CARET_METRICS*) DECLSPEC_HIDDEN; |
| extern HRESULT opentype_get_font_info_strings(const void*,DWRITE_INFORMATIONAL_STRING_ID,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; |
| extern HRESULT opentype_get_font_familyname(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; |
| extern HRESULT opentype_get_font_facename(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,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; |
| extern UINT32 opentype_get_cpal_paletteentrycount(const void*) DECLSPEC_HIDDEN; |
| extern HRESULT opentype_get_cpal_entries(const void*,UINT32,UINT32,UINT32,DWRITE_COLOR_F*) DECLSPEC_HIDDEN; |
| |
| enum gasp_flags { |
| GASP_GRIDFIT = 0x0001, |
| GASP_DOGRAY = 0x0002, |
| GASP_SYMMETRIC_GRIDFIT = 0x0004, |
| GASP_SYMMETRIC_SMOOTHING = 0x0008, |
| }; |
| |
| extern WORD opentype_get_gasp_flags(const WORD*,UINT32,INT) DECLSPEC_HIDDEN; |
| |
| /* BiDi helpers */ |
| extern HRESULT bidi_computelevels(const WCHAR*,UINT32,UINT8,UINT8*,UINT8*) DECLSPEC_HIDDEN; |
| extern WCHAR bidi_get_mirrored_char(WCHAR) DECLSPEC_HIDDEN; |
| |
| enum outline_point_tag { |
| OUTLINE_POINT_START = 1 << 0, |
| OUTLINE_POINT_END = 1 << 1, |
| OUTLINE_POINT_BEZIER = 1 << 2, |
| OUTLINE_POINT_LINE = 1 << 3 |
| }; |
| |
| struct glyph_outline { |
| D2D1_POINT_2F *points; |
| UINT8 *tags; |
| UINT16 count; |
| FLOAT advance; |
| }; |
| |
| extern HRESULT new_glyph_outline(UINT32,struct glyph_outline**) DECLSPEC_HIDDEN; |
| |
| /* FreeType integration */ |
| struct dwrite_glyphbitmap { |
| IDWriteFontFace2 *fontface; |
| FLOAT emsize; |
| BOOL nohint; |
| UINT16 index; |
| INT pitch; |
| RECT bbox; |
| BYTE *buf; |
| DWRITE_TEXTURE_TYPE type; |
| DWRITE_MATRIX *m; |
| }; |
| |
| extern BOOL init_freetype(void) DECLSPEC_HIDDEN; |
| extern void release_freetype(void) DECLSPEC_HIDDEN; |
| extern HRESULT freetype_get_design_glyph_metrics(IDWriteFontFace2*,UINT16,UINT16,DWRITE_GLYPH_METRICS*) DECLSPEC_HIDDEN; |
| extern void freetype_notify_cacheremove(IDWriteFontFace2*) DECLSPEC_HIDDEN; |
| extern BOOL freetype_is_monospaced(IDWriteFontFace2*) DECLSPEC_HIDDEN; |
| extern HRESULT freetype_get_glyph_outline(IDWriteFontFace2*,FLOAT,UINT16,USHORT,struct glyph_outline**) DECLSPEC_HIDDEN; |
| extern UINT16 freetype_get_glyphcount(IDWriteFontFace2*) DECLSPEC_HIDDEN; |
| extern UINT16 freetype_get_glyphindex(IDWriteFontFace2*,UINT32,INT) DECLSPEC_HIDDEN; |
| extern BOOL freetype_has_kerning_pairs(IDWriteFontFace2*) DECLSPEC_HIDDEN; |
| extern INT32 freetype_get_kerning_pair_adjustment(IDWriteFontFace2*,UINT16,UINT16) DECLSPEC_HIDDEN; |
| extern void freetype_get_glyph_bbox(struct dwrite_glyphbitmap*) DECLSPEC_HIDDEN; |
| extern BOOL freetype_get_glyph_bitmap(struct dwrite_glyphbitmap*) DECLSPEC_HIDDEN; |
| extern INT freetype_get_charmap_index(IDWriteFontFace2*,BOOL*) DECLSPEC_HIDDEN; |
| extern INT32 freetype_get_glyph_advance(IDWriteFontFace2*,FLOAT,UINT16,DWRITE_MEASURING_MODE) DECLSPEC_HIDDEN; |
| |
| /* Glyph shaping */ |
| enum SCRIPT_JUSTIFY |
| { |
| SCRIPT_JUSTIFY_NONE, |
| SCRIPT_JUSTIFY_ARABIC_BLANK, |
| SCRIPT_JUSTIFY_CHARACTER, |
| SCRIPT_JUSTIFY_RESERVED1, |
| SCRIPT_JUSTIFY_BLANK, |
| SCRIPT_JUSTIFY_RESERVED2, |
| SCRIPT_JUSTIFY_RESERVED3, |
| SCRIPT_JUSTIFY_ARABIC_NORMAL, |
| SCRIPT_JUSTIFY_ARABIC_KASHIDA, |
| SCRIPT_JUSTIFY_ARABIC_ALEF, |
| SCRIPT_JUSTIFY_ARABIC_HA, |
| SCRIPT_JUSTIFY_ARABIC_RA, |
| SCRIPT_JUSTIFY_ARABIC_BA, |
| SCRIPT_JUSTIFY_ARABIC_BARA, |
| SCRIPT_JUSTIFY_ARABIC_SEEN, |
| SCRIPT_JUSTIFY_ARABIC_SEEN_M |
| }; |
| |
| struct scriptshaping_cache; |
| |
| struct scriptshaping_context |
| { |
| struct scriptshaping_cache *cache; |
| UINT32 language_tag; |
| |
| const WCHAR *text; |
| UINT32 length; |
| BOOL is_rtl; |
| |
| UINT32 max_glyph_count; |
| }; |
| |
| extern HRESULT create_scriptshaping_cache(IDWriteFontFace*,struct scriptshaping_cache**) DECLSPEC_HIDDEN; |
| extern void release_scriptshaping_cache(struct scriptshaping_cache*) DECLSPEC_HIDDEN; |
| |
| struct scriptshaping_ops |
| { |
| HRESULT (*contextual_shaping)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices, UINT32* actual_glyph_count); |
| HRESULT (*set_text_glyphs_props)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices, |
| UINT32 glyphcount, DWRITE_SHAPING_TEXT_PROPERTIES *text_props, DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props); |
| }; |
| |
| extern const struct scriptshaping_ops default_shaping_ops DECLSPEC_HIDDEN; |
| extern const struct scriptshaping_ops latn_shaping_ops DECLSPEC_HIDDEN; |