441 lines
18 KiB
C
441 lines
18 KiB
C
/*
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* Copyright 2012 Nikolay Sivov for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "dwrite_3.h"
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#include "d2d1.h"
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#include "wine/debug.h"
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#include "wine/heap.h"
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#include "wine/list.h"
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#include "wine/unicode.h"
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static const DWRITE_MATRIX identity =
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{
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1.0f, 0.0f,
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0.0f, 1.0f,
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0.0f, 0.0f
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};
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static inline LPWSTR heap_strdupW(const WCHAR *str)
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{
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LPWSTR ret = NULL;
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if(str) {
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DWORD size;
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size = (strlenW(str)+1)*sizeof(WCHAR);
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ret = heap_alloc(size);
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if(ret)
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memcpy(ret, str, size);
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}
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return ret;
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}
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static inline LPWSTR heap_strdupnW(const WCHAR *str, UINT32 len)
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{
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WCHAR *ret = NULL;
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if (len)
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{
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ret = heap_alloc((len+1)*sizeof(WCHAR));
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if(ret)
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{
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memcpy(ret, str, len*sizeof(WCHAR));
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ret[len] = 0;
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}
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}
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return ret;
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}
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static inline const char *debugstr_range(const DWRITE_TEXT_RANGE *range)
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{
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return wine_dbg_sprintf("%u:%u", range->startPosition, range->length);
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}
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static inline const char *debugstr_matrix(const DWRITE_MATRIX *m)
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{
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if (!m) return "(null)";
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return wine_dbg_sprintf("{%.2f,%.2f,%.2f,%.2f,%.2f,%.2f}", m->m11, m->m12, m->m21, m->m22,
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m->dx, m->dy);
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}
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static inline BOOL dwrite_array_reserve(void **elements, size_t *capacity, size_t count, size_t size)
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{
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size_t new_capacity, max_capacity;
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void *new_elements;
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if (count <= *capacity)
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return TRUE;
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max_capacity = ~(SIZE_T)0 / size;
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if (count > max_capacity)
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return FALSE;
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new_capacity = max(4, *capacity);
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while (new_capacity < count && new_capacity <= max_capacity / 2)
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new_capacity *= 2;
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if (new_capacity < count)
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new_capacity = max_capacity;
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if (!(new_elements = heap_realloc(*elements, new_capacity * size)))
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return FALSE;
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*elements = new_elements;
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*capacity = new_capacity;
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return TRUE;
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}
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static inline const char *debugstr_tag(DWORD tag)
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{
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return debugstr_an((char *)&tag, 4);
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}
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const char *debugstr_sa_script(UINT16) DECLSPEC_HIDDEN;
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static inline unsigned short get_table_entry(const unsigned short *table, WCHAR ch)
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{
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return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)];
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}
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static inline FLOAT get_scaled_advance_width(INT32 advance, FLOAT emSize, const DWRITE_FONT_METRICS *metrics)
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{
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return (FLOAT)advance * emSize / (FLOAT)metrics->designUnitsPerEm;
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}
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static inline BOOL is_simulation_valid(DWRITE_FONT_SIMULATIONS simulations)
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{
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return (simulations & ~(DWRITE_FONT_SIMULATIONS_NONE | DWRITE_FONT_SIMULATIONS_BOLD |
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DWRITE_FONT_SIMULATIONS_OBLIQUE)) == 0;
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}
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struct textlayout_desc
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{
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IDWriteFactory5 *factory;
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const WCHAR *string;
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UINT32 length;
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IDWriteTextFormat *format;
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FLOAT max_width;
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FLOAT max_height;
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BOOL is_gdi_compatible;
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/* fields below are only meaningful for gdi-compatible layout */
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FLOAT ppdip;
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const DWRITE_MATRIX *transform;
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BOOL use_gdi_natural;
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};
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struct glyphrunanalysis_desc
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{
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const DWRITE_GLYPH_RUN *run;
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const DWRITE_MATRIX *transform;
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DWRITE_RENDERING_MODE1 rendering_mode;
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DWRITE_MEASURING_MODE measuring_mode;
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DWRITE_GRID_FIT_MODE gridfit_mode;
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DWRITE_TEXT_ANTIALIAS_MODE aa_mode;
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D2D_POINT_2F origin;
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};
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struct fontface_desc
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{
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IDWriteFactory5 *factory;
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DWRITE_FONT_FACE_TYPE face_type;
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IDWriteFontFile * const *files;
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IDWriteFontFileStream *stream;
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UINT32 files_number;
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UINT32 index;
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DWRITE_FONT_SIMULATIONS simulations;
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struct dwrite_font_data *font_data; /* could be NULL when face is created directly with IDWriteFactory::CreateFontFace() */
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};
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struct fontfacecached
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{
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struct list entry;
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IDWriteFontFace4 *fontface;
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};
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extern HRESULT create_numbersubstitution(DWRITE_NUMBER_SUBSTITUTION_METHOD,const WCHAR *locale,BOOL,IDWriteNumberSubstitution**) DECLSPEC_HIDDEN;
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extern HRESULT create_textformat(const WCHAR*,IDWriteFontCollection*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH,
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FLOAT,const WCHAR*,IDWriteTextFormat**) DECLSPEC_HIDDEN;
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extern HRESULT create_textlayout(const struct textlayout_desc*,IDWriteTextLayout**) DECLSPEC_HIDDEN;
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extern HRESULT create_trimmingsign(IDWriteFactory5*,IDWriteTextFormat*,IDWriteInlineObject**) DECLSPEC_HIDDEN;
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extern HRESULT create_typography(IDWriteTypography**) DECLSPEC_HIDDEN;
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extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
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extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
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extern HRESULT clone_localizedstring(IDWriteLocalizedStrings *iface, IDWriteLocalizedStrings **strings) DECLSPEC_HIDDEN;
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extern void set_en_localizedstring(IDWriteLocalizedStrings*,const WCHAR*) DECLSPEC_HIDDEN;
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extern HRESULT get_system_fontcollection(IDWriteFactory5*,IDWriteFontCollection1**) DECLSPEC_HIDDEN;
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extern HRESULT get_eudc_fontcollection(IDWriteFactory5*,IDWriteFontCollection1**) DECLSPEC_HIDDEN;
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extern IDWriteTextAnalyzer *get_text_analyzer(void) DECLSPEC_HIDDEN;
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extern HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file) DECLSPEC_HIDDEN;
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extern void init_local_fontfile_loader(void) DECLSPEC_HIDDEN;
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extern IDWriteFontFileLoader *get_local_fontfile_loader(void) DECLSPEC_HIDDEN;
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extern HRESULT create_fontface(const struct fontface_desc*,struct list*,IDWriteFontFace4**) DECLSPEC_HIDDEN;
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extern HRESULT create_font_collection(IDWriteFactory5*,IDWriteFontFileEnumerator*,BOOL,IDWriteFontCollection1**) DECLSPEC_HIDDEN;
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extern HRESULT create_glyphrunanalysis(const struct glyphrunanalysis_desc*,IDWriteGlyphRunAnalysis**) DECLSPEC_HIDDEN;
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extern BOOL is_system_collection(IDWriteFontCollection*) DECLSPEC_HIDDEN;
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extern HRESULT get_local_refkey(const WCHAR*,const FILETIME*,void**,UINT32*) DECLSPEC_HIDDEN;
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extern HRESULT get_filestream_from_file(IDWriteFontFile*,IDWriteFontFileStream**) DECLSPEC_HIDDEN;
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extern BOOL is_face_type_supported(DWRITE_FONT_FACE_TYPE) DECLSPEC_HIDDEN;
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extern HRESULT get_family_names_from_stream(IDWriteFontFileStream*,UINT32,DWRITE_FONT_FACE_TYPE,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
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extern HRESULT create_colorglyphenum(FLOAT,FLOAT,const DWRITE_GLYPH_RUN*,const DWRITE_GLYPH_RUN_DESCRIPTION*,DWRITE_MEASURING_MODE,
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const DWRITE_MATRIX*,UINT32,IDWriteColorGlyphRunEnumerator**) DECLSPEC_HIDDEN;
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extern BOOL lb_is_newline_char(WCHAR) DECLSPEC_HIDDEN;
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extern HRESULT create_system_fontfallback(IDWriteFactory5*,IDWriteFontFallback**) DECLSPEC_HIDDEN;
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extern void release_system_fontfallback(IDWriteFontFallback*) DECLSPEC_HIDDEN;
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extern HRESULT create_fontfallback_builder(IDWriteFactory5*,IDWriteFontFallbackBuilder**) DECLSPEC_HIDDEN;
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extern HRESULT create_matching_font(IDWriteFontCollection*,const WCHAR*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH,
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IDWriteFont**) DECLSPEC_HIDDEN;
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extern HRESULT create_fontfacereference(IDWriteFactory5*,IDWriteFontFile*,UINT32,DWRITE_FONT_SIMULATIONS,
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IDWriteFontFaceReference**) DECLSPEC_HIDDEN;
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extern HRESULT factory_get_cached_fontface(IDWriteFactory5*,IDWriteFontFile*const*,UINT32,DWRITE_FONT_SIMULATIONS,
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struct list**,REFIID,void**) DECLSPEC_HIDDEN;
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extern void factory_detach_fontcollection(IDWriteFactory5*,IDWriteFontCollection1*) DECLSPEC_HIDDEN;
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extern void factory_detach_gdiinterop(IDWriteFactory5*,IDWriteGdiInterop1*) DECLSPEC_HIDDEN;
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extern struct fontfacecached *factory_cache_fontface(IDWriteFactory5*,struct list*,IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern void get_logfont_from_font(IDWriteFont*,LOGFONTW*) DECLSPEC_HIDDEN;
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extern void get_logfont_from_fontface(IDWriteFontFace*,LOGFONTW*) DECLSPEC_HIDDEN;
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extern HRESULT get_fontsig_from_font(IDWriteFont*,FONTSIGNATURE*) DECLSPEC_HIDDEN;
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extern HRESULT get_fontsig_from_fontface(IDWriteFontFace*,FONTSIGNATURE*) DECLSPEC_HIDDEN;
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extern HRESULT create_gdiinterop(IDWriteFactory5*,IDWriteGdiInterop1**) DECLSPEC_HIDDEN;
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extern void fontface_detach_from_cache(IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern void factory_lock(IDWriteFactory5*) DECLSPEC_HIDDEN;
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extern void factory_unlock(IDWriteFactory5*) DECLSPEC_HIDDEN;
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extern HRESULT create_inmemory_fileloader(IDWriteFontFileLoader**) DECLSPEC_HIDDEN;
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struct dwrite_fontface;
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extern float fontface_get_scaled_design_advance(struct dwrite_fontface *fontface, DWRITE_MEASURING_MODE measuring_mode,
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float emsize, float ppdip, const DWRITE_MATRIX *transform, UINT16 glyph, BOOL is_sideways) DECLSPEC_HIDDEN;
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extern struct dwrite_fontface *unsafe_impl_from_IDWriteFontFace(IDWriteFontFace *iface) DECLSPEC_HIDDEN;
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/* Opentype font table functions */
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struct dwrite_font_props {
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DWRITE_FONT_STYLE style;
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DWRITE_FONT_STRETCH stretch;
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DWRITE_FONT_WEIGHT weight;
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DWRITE_PANOSE panose;
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FONTSIGNATURE fontsig;
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LOGFONTW lf;
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};
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struct file_stream_desc {
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IDWriteFontFileStream *stream;
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DWRITE_FONT_FACE_TYPE face_type;
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UINT32 face_index;
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};
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struct dwrite_fonttable
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{
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const BYTE *data;
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void *context;
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UINT32 size;
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BOOL exists;
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};
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extern const void* get_fontface_table(IDWriteFontFace4 *fontface, UINT32 tag,
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struct dwrite_fonttable *table) DECLSPEC_HIDDEN;
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extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,BOOL*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,UINT32*) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_font_table(struct file_stream_desc*,UINT32,const void**,void**,UINT32*,BOOL*) DECLSPEC_HIDDEN;
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extern HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_fonttable *table, unsigned int max_count,
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DWRITE_UNICODE_RANGE *ranges, unsigned int *count) DECLSPEC_HIDDEN;
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extern void opentype_get_font_properties(struct file_stream_desc*,struct dwrite_font_props*) DECLSPEC_HIDDEN;
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extern void opentype_get_font_metrics(struct file_stream_desc*,DWRITE_FONT_METRICS1*,DWRITE_CARET_METRICS*) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_font_info_strings(const void*,DWRITE_INFORMATIONAL_STRING_ID,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_font_familyname(struct file_stream_desc*,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_font_facename(struct file_stream_desc*,WCHAR*,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_typographic_features(IDWriteFontFace*,UINT32,UINT32,UINT32,UINT32*,DWRITE_FONT_FEATURE_TAG*) DECLSPEC_HIDDEN;
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extern BOOL opentype_get_vdmx_size(const struct dwrite_fonttable *table, INT ppem, UINT16 *ascent,
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UINT16 *descent) DECLSPEC_HIDDEN;
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extern unsigned int opentype_get_cpal_palettecount(const struct dwrite_fonttable *table) DECLSPEC_HIDDEN;
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extern unsigned int opentype_get_cpal_paletteentrycount(const struct dwrite_fonttable *table) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_cpal_entries(const struct dwrite_fonttable *table, unsigned int palette,
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unsigned int first_entry_index, unsigned int entry_count, DWRITE_COLOR_F *entries) DECLSPEC_HIDDEN;
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extern BOOL opentype_has_vertical_variants(IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern UINT32 opentype_get_glyph_image_formats(IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern DWRITE_CONTAINER_TYPE opentype_analyze_container_type(void const *, UINT32) DECLSPEC_HIDDEN;
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struct dwrite_colorglyph {
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USHORT layer; /* [0, num_layers) index indicating current layer */
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/* base glyph record data, set once on initialization */
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USHORT first_layer;
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USHORT num_layers;
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/* current layer record data, updated every time glyph is switched to next layer */
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UINT16 glyph;
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UINT16 palette_index;
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};
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extern HRESULT opentype_get_colr_glyph(const struct dwrite_fonttable *table, UINT16 glyph,
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struct dwrite_colorglyph *color_glyph) DECLSPEC_HIDDEN;
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extern void opentype_colr_next_glyph(const struct dwrite_fonttable *table,
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struct dwrite_colorglyph *color_glyph) DECLSPEC_HIDDEN;
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enum gasp_flags {
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GASP_GRIDFIT = 0x0001,
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GASP_DOGRAY = 0x0002,
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GASP_SYMMETRIC_GRIDFIT = 0x0004,
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GASP_SYMMETRIC_SMOOTHING = 0x0008,
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};
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extern unsigned int opentype_get_gasp_flags(const struct dwrite_fonttable *gasp, float emsize) DECLSPEC_HIDDEN;
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/* BiDi helpers */
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extern HRESULT bidi_computelevels(const WCHAR*,UINT32,UINT8,UINT8*,UINT8*) DECLSPEC_HIDDEN;
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extern WCHAR bidi_get_mirrored_char(WCHAR) DECLSPEC_HIDDEN;
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/* FreeType integration */
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struct dwrite_glyphbitmap
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{
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IDWriteFontFace4 *fontface;
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DWORD simulations;
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float emsize;
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BOOL nohint;
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BOOL aliased;
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UINT16 glyph;
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INT pitch;
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RECT bbox;
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BYTE *buf;
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DWRITE_MATRIX *m;
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};
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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(IDWriteFontFace4*,UINT16,UINT16,DWRITE_GLYPH_METRICS*) DECLSPEC_HIDDEN;
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extern void freetype_notify_cacheremove(IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern BOOL freetype_is_monospaced(IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern HRESULT freetype_get_glyphrun_outline(IDWriteFontFace4*,FLOAT,UINT16 const*,FLOAT const*, DWRITE_GLYPH_OFFSET const*,
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UINT32,BOOL,IDWriteGeometrySink*) DECLSPEC_HIDDEN;
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extern UINT16 freetype_get_glyphcount(IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern void freetype_get_glyphs(IDWriteFontFace4*,INT,UINT32 const*,UINT32,UINT16*) DECLSPEC_HIDDEN;
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extern BOOL freetype_has_kerning_pairs(IDWriteFontFace4*) DECLSPEC_HIDDEN;
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extern INT32 freetype_get_kerning_pair_adjustment(IDWriteFontFace4*,UINT16,UINT16) DECLSPEC_HIDDEN;
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extern void freetype_get_glyph_bbox(struct dwrite_glyphbitmap *bitmap_desc) DECLSPEC_HIDDEN;
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extern BOOL freetype_get_glyph_bitmap(struct dwrite_glyphbitmap*) DECLSPEC_HIDDEN;
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extern INT freetype_get_charmap_index(IDWriteFontFace4*,BOOL*) DECLSPEC_HIDDEN;
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extern INT32 freetype_get_glyph_advance(IDWriteFontFace4*,FLOAT,UINT16,DWRITE_MEASURING_MODE,BOOL*) DECLSPEC_HIDDEN;
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extern void freetype_get_design_glyph_bbox(IDWriteFontFace4*,UINT16,UINT16,RECT*) DECLSPEC_HIDDEN;
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/* Glyph shaping */
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enum SCRIPT_JUSTIFY
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{
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SCRIPT_JUSTIFY_NONE,
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SCRIPT_JUSTIFY_ARABIC_BLANK,
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SCRIPT_JUSTIFY_CHARACTER,
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SCRIPT_JUSTIFY_RESERVED1,
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SCRIPT_JUSTIFY_BLANK,
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SCRIPT_JUSTIFY_RESERVED2,
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SCRIPT_JUSTIFY_RESERVED3,
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SCRIPT_JUSTIFY_ARABIC_NORMAL,
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SCRIPT_JUSTIFY_ARABIC_KASHIDA,
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SCRIPT_JUSTIFY_ARABIC_ALEF,
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SCRIPT_JUSTIFY_ARABIC_HA,
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SCRIPT_JUSTIFY_ARABIC_RA,
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SCRIPT_JUSTIFY_ARABIC_BA,
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SCRIPT_JUSTIFY_ARABIC_BARA,
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SCRIPT_JUSTIFY_ARABIC_SEEN,
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SCRIPT_JUSTIFY_ARABIC_SEEN_M
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};
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struct scriptshaping_cache
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{
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const struct shaping_font_ops *font;
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void *context;
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UINT16 upem;
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struct
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{
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struct dwrite_fonttable table;
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unsigned int script_list;
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unsigned int feature_list;
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unsigned int lookup_list;
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} gpos;
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struct
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{
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struct dwrite_fonttable table;
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unsigned int classdef;
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} gdef;
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};
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struct scriptshaping_context
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{
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struct scriptshaping_cache *cache;
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UINT32 language_tag;
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const WCHAR *text;
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unsigned int length;
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BOOL is_rtl;
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union
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{
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struct
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{
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const UINT16 *glyphs;
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const DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props;
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} pos;
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} u;
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unsigned int glyph_count;
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float emsize;
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DWRITE_MEASURING_MODE measuring_mode;
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float *advances;
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DWRITE_GLYPH_OFFSET *offsets;
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};
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struct shaping_font_ops
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{
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void (*grab_font_table)(void *context, UINT32 table, const BYTE **data, UINT32 *size, void **data_context);
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void (*release_font_table)(void *context, void *data_context);
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UINT16 (*get_font_upem)(void *context);
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};
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extern struct scriptshaping_cache *create_scriptshaping_cache(void *context,
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const struct shaping_font_ops *font_ops) DECLSPEC_HIDDEN;
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extern void release_scriptshaping_cache(struct scriptshaping_cache*) DECLSPEC_HIDDEN;
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extern struct scriptshaping_cache *fontface_get_shaping_cache(struct dwrite_fontface *fontface) DECLSPEC_HIDDEN;
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struct shaping_features
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{
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const DWORD *tags;
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unsigned int count;
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};
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extern void opentype_layout_scriptshaping_cache_init(struct scriptshaping_cache *cache) DECLSPEC_HIDDEN;
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extern DWORD opentype_layout_find_script(const struct scriptshaping_cache *cache, DWORD kind, DWORD tag,
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unsigned int *script_index) DECLSPEC_HIDDEN;
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extern DWORD opentype_layout_find_language(const struct scriptshaping_cache *cache, DWORD kind, DWORD tag,
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unsigned int script_index, unsigned int *language_index) DECLSPEC_HIDDEN;
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extern void opentype_layout_apply_gpos_features(struct scriptshaping_context *context, unsigned int script_index,
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unsigned int language_index, const struct shaping_features *features) DECLSPEC_HIDDEN;
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struct scriptshaping_ops
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{
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HRESULT (*contextual_shaping)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices, UINT32* actual_glyph_count);
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HRESULT (*set_text_glyphs_props)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices,
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UINT32 glyphcount, DWRITE_SHAPING_TEXT_PROPERTIES *text_props, DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props);
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const struct shaping_features *gpos_features;
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};
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extern const struct scriptshaping_ops default_shaping_ops DECLSPEC_HIDDEN;
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extern const struct scriptshaping_ops latn_shaping_ops DECLSPEC_HIDDEN;
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extern HRESULT shape_get_positions(struct scriptshaping_context *context, const DWORD *scripts,
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const struct shaping_features *features) DECLSPEC_HIDDEN;
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