mirror of
https://github.com/reactos/wine.git
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215 lines
8.8 KiB
C
215 lines
8.8 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_2.h"
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#include "d2d1.h"
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#include "wine/debug.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 void *heap_alloc(size_t len)
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{
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return HeapAlloc(GetProcessHeap(), 0, len);
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}
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static inline void *heap_alloc_zero(size_t len)
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{
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return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
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}
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static inline void *heap_realloc(void *mem, size_t len)
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{
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return HeapReAlloc(GetProcessHeap(), 0, mem, len);
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}
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static inline void *heap_realloc_zero(void *mem, size_t len)
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{
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return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
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}
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static inline BOOL heap_free(void *mem)
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{
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return HeapFree(GetProcessHeap(), 0, mem);
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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 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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extern HRESULT convert_fontface_to_logfont(IDWriteFontFace*, LOGFONTW*) DECLSPEC_HIDDEN;
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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 WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,IDWriteTextLayout**) DECLSPEC_HIDDEN;
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extern HRESULT create_gdicompat_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,FLOAT,const DWRITE_MATRIX*,BOOL,IDWriteTextLayout**) DECLSPEC_HIDDEN;
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extern HRESULT create_trimmingsign(IDWriteInlineObject**) DECLSPEC_HIDDEN;
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extern HRESULT create_typography(IDWriteTypography**) DECLSPEC_HIDDEN;
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extern HRESULT create_gdiinterop(IDWriteFactory2*,IDWriteGdiInterop**) DECLSPEC_HIDDEN;
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extern void release_gdiinterop(IDWriteGdiInterop*) 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 HRESULT get_system_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN;
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extern HRESULT get_eudc_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN;
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extern HRESULT get_textanalyzer(IDWriteTextAnalyzer**) 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 HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface) DECLSPEC_HIDDEN;
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extern HRESULT create_fontface(DWRITE_FONT_FACE_TYPE,UINT32,IDWriteFontFile* const*,UINT32,DWRITE_FONT_SIMULATIONS,IDWriteFontFace2**) DECLSPEC_HIDDEN;
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extern HRESULT create_font_collection(IDWriteFactory2*,IDWriteFontFileEnumerator*,BOOL,IDWriteFontCollection**) 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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/* Opentype font table functions */
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extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,UINT32*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,BOOL*) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_font_table(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,UINT32,const void**,void**,UINT32*,BOOL*) DECLSPEC_HIDDEN;
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extern HRESULT opentype_cmap_get_unicode_ranges(void*,UINT32,DWRITE_UNICODE_RANGE*,UINT32*) DECLSPEC_HIDDEN;
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extern void opentype_get_font_properties(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,DWRITE_FONT_STRETCH*,
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DWRITE_FONT_WEIGHT*,DWRITE_FONT_STYLE*) DECLSPEC_HIDDEN;
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extern void opentype_get_font_metrics(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,DWRITE_FONT_METRICS1*,DWRITE_CARET_METRICS*) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_font_strings_from_id(const void*,DWRITE_INFORMATIONAL_STRING_ID,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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/* 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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enum outline_point_tag {
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OUTLINE_POINT_START = 1 << 0,
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OUTLINE_POINT_END = 1 << 1,
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OUTLINE_POINT_BEZIER = 1 << 2,
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OUTLINE_POINT_LINE = 1 << 3
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};
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struct glyph_outline {
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D2D1_POINT_2F *points;
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UINT8 *tags;
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UINT16 count;
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FLOAT advance;
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};
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extern HRESULT new_glyph_outline(UINT32,struct glyph_outline**) DECLSPEC_HIDDEN;
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/* FreeType integration */
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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(IDWriteFontFace2*,UINT16,UINT16,DWRITE_GLYPH_METRICS*) DECLSPEC_HIDDEN;
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extern void freetype_notify_cacheremove(IDWriteFontFace2*) DECLSPEC_HIDDEN;
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extern BOOL freetype_is_monospaced(IDWriteFontFace2*) DECLSPEC_HIDDEN;
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extern HRESULT freetype_get_glyph_outline(IDWriteFontFace2*,FLOAT,UINT16,USHORT,struct glyph_outline**) DECLSPEC_HIDDEN;
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extern UINT16 freetype_get_glyphcount(IDWriteFontFace2*) DECLSPEC_HIDDEN;
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extern UINT16 freetype_get_glyphindex(IDWriteFontFace2*,UINT32) DECLSPEC_HIDDEN;
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extern BOOL freetype_has_kerning_pairs(IDWriteFontFace2*) DECLSPEC_HIDDEN;
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extern INT32 freetype_get_kerning_pair_adjustment(IDWriteFontFace2*,UINT16,UINT16) 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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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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UINT32 length;
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BOOL is_rtl;
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UINT32 max_glyph_count;
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};
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extern HRESULT create_scriptshaping_cache(IDWriteFontFace*,struct scriptshaping_cache**) DECLSPEC_HIDDEN;
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extern void release_scriptshaping_cache(struct scriptshaping_cache*) 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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};
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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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