/* * 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_3.h" #include "d2d1.h" #include "winternl.h" #include "wine/debug.h" #include "wine/list.h" #include "wine/rbtree.h" #define MS_GSUB_TAG DWRITE_MAKE_OPENTYPE_TAG('G','S','U','B') #define MS_GPOS_TAG DWRITE_MAKE_OPENTYPE_TAG('G','P','O','S') static const DWRITE_MATRIX identity = { 1.0f, 0.0f, 0.0f, 1.0f, 0.0f, 0.0f }; static inline LPWSTR heap_strdupnW(const WCHAR *str, UINT32 len) { WCHAR *ret = NULL; if (len) { ret = malloc((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 BOOL dwrite_array_reserve(void **elements, size_t *capacity, size_t count, size_t size) { size_t new_capacity, max_capacity; void *new_elements; if (count <= *capacity) return TRUE; max_capacity = ~(SIZE_T)0 / size; if (count > max_capacity) return FALSE; new_capacity = max(4, *capacity); while (new_capacity < count && new_capacity <= max_capacity / 2) new_capacity *= 2; if (new_capacity < count) new_capacity = max_capacity; new_elements = realloc(*elements, new_capacity * size); if (!new_elements) return FALSE; *elements = new_elements; *capacity = new_capacity; return TRUE; } static inline const char *debugstr_tag(DWORD tag) { return debugstr_an((char *)&tag, 4); } const char *debugstr_sa_script(UINT16) DECLSPEC_HIDDEN; 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 BOOL is_simulation_valid(DWRITE_FONT_SIMULATIONS simulations) { return (simulations & ~(DWRITE_FONT_SIMULATIONS_NONE | DWRITE_FONT_SIMULATIONS_BOLD | DWRITE_FONT_SIMULATIONS_OBLIQUE)) == 0; } struct textlayout_desc { IDWriteFactory7 *factory; const WCHAR *string; UINT32 length; IDWriteTextFormat *format; FLOAT max_width; FLOAT max_height; BOOL is_gdi_compatible; /* fields below are only meaningful for gdi-compatible layout */ FLOAT ppdip; const DWRITE_MATRIX *transform; BOOL use_gdi_natural; }; struct glyphrunanalysis_desc { const DWRITE_GLYPH_RUN *run; const DWRITE_MATRIX *transform; DWRITE_RENDERING_MODE1 rendering_mode; DWRITE_MEASURING_MODE measuring_mode; DWRITE_GRID_FIT_MODE gridfit_mode; DWRITE_TEXT_ANTIALIAS_MODE aa_mode; D2D_POINT_2F origin; }; struct fontface_desc { IDWriteFactory7 *factory; DWRITE_FONT_FACE_TYPE face_type; IDWriteFontFile *file; IDWriteFontFileStream *stream; UINT32 index; DWRITE_FONT_SIMULATIONS simulations; struct dwrite_font_data *font_data; /* could be NULL when face is created directly with IDWriteFactory::CreateFontFace() */ }; struct dwrite_fonttable { const BYTE *data; void *context; UINT32 size; BOOL exists; }; struct fontfacecached { struct list entry; IDWriteFontFace5 *fontface; }; #define GLYPH_BLOCK_SHIFT 8 #define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT) #define GLYPH_BLOCK_MASK (GLYPH_BLOCK_SIZE - 1) #define GLYPH_MAX 65536 enum font_flags { FONT_IS_SYMBOL = 0x00000001, FONT_IS_MONOSPACED = 0x00000002, FONT_IS_COLORED = 0x00000004, /* CPAL/COLR support */ FONTFACE_KERNING_PAIRS = 0x00000008, FONTFACE_NO_KERNING_PAIRS = 0x00000010, FONTFACE_VERTICAL_VARIANTS = 0x00000020, FONTFACE_NO_VERTICAL_VARIANTS = 0x00000040, }; struct dwrite_cmap; typedef UINT16 (*p_cmap_get_glyph_func)(const struct dwrite_cmap *cmap, unsigned int ch); typedef unsigned int (*p_cmap_get_ranges_func)(const struct dwrite_cmap *cmap, unsigned int max_count, DWRITE_UNICODE_RANGE *ranges); struct dwrite_cmap { const void *data; union { struct { unsigned int seg_count; unsigned int glyph_id_array_len; const UINT16 *ends; const UINT16 *starts; const UINT16 *id_delta; const UINT16 *id_range_offset; const UINT16 *glyph_id_array; } format4; struct { unsigned int first; unsigned int last; } format6_10; struct { unsigned int group_count; } format12_13; } u; p_cmap_get_glyph_func get_glyph; p_cmap_get_ranges_func get_ranges; unsigned short symbol : 1; IDWriteFontFileStream *stream; void *table_context; }; extern void dwrite_cmap_init(struct dwrite_cmap *cmap, IDWriteFontFile *file, unsigned int face_index, DWRITE_FONT_FACE_TYPE face_type) DECLSPEC_HIDDEN; extern void dwrite_cmap_release(struct dwrite_cmap *cmap) DECLSPEC_HIDDEN; extern UINT16 opentype_cmap_get_glyph(const struct dwrite_cmap *cmap, unsigned int ch) DECLSPEC_HIDDEN; extern HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_cmap *cmap, unsigned int max_count, DWRITE_UNICODE_RANGE *ranges, unsigned int *count) DECLSPEC_HIDDEN; struct dwrite_fontface; typedef UINT64 (*p_dwrite_fontface_get_font_object)(struct dwrite_fontface *fontface); struct dwrite_fontface { IDWriteFontFace5 IDWriteFontFace5_iface; IDWriteFontFaceReference IDWriteFontFaceReference_iface; LONG refcount; IDWriteFontFileStream *stream; IDWriteFontFile *file; UINT32 index; IDWriteFactory7 *factory; struct fontfacecached *cached; UINT64 font_object; void *data_context; p_dwrite_fontface_get_font_object get_font_object; struct { struct wine_rb_tree tree; struct list mru; size_t max_size; size_t size; } cache; CRITICAL_SECTION cs; USHORT simulations; DWRITE_FONT_FACE_TYPE type; DWRITE_FONT_METRICS1 metrics; DWRITE_CARET_METRICS caret; struct { unsigned int ascent; unsigned int descent; } typo_metrics; unsigned int flags; struct dwrite_cmap cmap; struct dwrite_fonttable vdmx; struct dwrite_fonttable gasp; struct dwrite_fonttable cpal; struct dwrite_fonttable colr; struct dwrite_fonttable kern; DWRITE_GLYPH_METRICS *glyphs[GLYPH_MAX/GLYPH_BLOCK_SIZE]; DWRITE_FONT_STYLE style; DWRITE_FONT_STRETCH stretch; DWRITE_FONT_WEIGHT weight; DWRITE_PANOSE panose; FONTSIGNATURE fontsig; UINT32 glyph_image_formats; IDWriteLocalizedStrings *info_strings[DWRITE_INFORMATIONAL_STRING_SUPPORTED_SCRIPT_LANGUAGE_TAG + 1]; IDWriteLocalizedStrings *family_names; IDWriteLocalizedStrings *names; struct scriptshaping_cache *shaping_cache; LOGFONTW lf; }; extern HRESULT create_numbersubstitution(DWRITE_NUMBER_SUBSTITUTION_METHOD,const WCHAR *locale,BOOL,IDWriteNumberSubstitution**) DECLSPEC_HIDDEN; extern HRESULT create_text_format(const WCHAR *family_name, IDWriteFontCollection *collection, DWRITE_FONT_WEIGHT weight, DWRITE_FONT_STYLE style, DWRITE_FONT_STRETCH stretch, float size, const WCHAR *locale, REFIID riid, void **out) DECLSPEC_HIDDEN; extern HRESULT create_textlayout(const struct textlayout_desc*,IDWriteTextLayout**) DECLSPEC_HIDDEN; extern HRESULT create_trimmingsign(IDWriteFactory7 *factory, IDWriteTextFormat *format, IDWriteInlineObject **sign) DECLSPEC_HIDDEN; extern HRESULT create_typography(IDWriteTypography**) DECLSPEC_HIDDEN; extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN; extern HRESULT clone_localizedstrings(IDWriteLocalizedStrings *iface, IDWriteLocalizedStrings **strings) DECLSPEC_HIDDEN; extern void set_en_localizedstring(IDWriteLocalizedStrings*,const WCHAR*) DECLSPEC_HIDDEN; extern void sort_localizedstrings(IDWriteLocalizedStrings*) DECLSPEC_HIDDEN; extern unsigned int get_localizedstrings_count(IDWriteLocalizedStrings *strings) DECLSPEC_HIDDEN; extern BOOL localizedstrings_contains(IDWriteLocalizedStrings *strings, const WCHAR *str) DECLSPEC_HIDDEN; extern HRESULT get_system_fontcollection(IDWriteFactory7 *factory, DWRITE_FONT_FAMILY_MODEL family_model, IDWriteFontCollection **collection) DECLSPEC_HIDDEN; extern HRESULT get_eudc_fontcollection(IDWriteFactory7 *factory, IDWriteFontCollection3 **collection) DECLSPEC_HIDDEN; extern IDWriteTextAnalyzer2 *get_text_analyzer(void) DECLSPEC_HIDDEN; extern HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file) DECLSPEC_HIDDEN; extern void init_local_fontfile_loader(void) DECLSPEC_HIDDEN; extern IDWriteFontFileLoader *get_local_fontfile_loader(void) DECLSPEC_HIDDEN; extern HRESULT create_fontface(const struct fontface_desc *desc, struct list *cached_list, IDWriteFontFace5 **fontface) DECLSPEC_HIDDEN; extern HRESULT create_font_collection(IDWriteFactory7 *factory, IDWriteFontFileEnumerator *enumerator, BOOL is_system, IDWriteFontCollection3 **collection) DECLSPEC_HIDDEN; extern HRESULT create_glyphrunanalysis(const struct glyphrunanalysis_desc*,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(D2D1_POINT_2F origin, const DWRITE_GLYPH_RUN *run, const DWRITE_GLYPH_RUN_DESCRIPTION *desc, DWRITE_GLYPH_IMAGE_FORMATS formats, DWRITE_MEASURING_MODE mode, const DWRITE_MATRIX *transform, UINT32 palette, IDWriteColorGlyphRunEnumerator1 **enumerator) DECLSPEC_HIDDEN; extern BOOL lb_is_newline_char(WCHAR) DECLSPEC_HIDDEN; extern HRESULT create_system_fontfallback(IDWriteFactory7 *factory, IDWriteFontFallback1 **fallback) DECLSPEC_HIDDEN; extern void release_system_fontfallback(IDWriteFontFallback1 *fallback) DECLSPEC_HIDDEN; extern HRESULT create_fontfallback_builder(IDWriteFactory7 *factory, IDWriteFontFallbackBuilder **builder) DECLSPEC_HIDDEN; extern HRESULT create_matching_font(IDWriteFontCollection*,const WCHAR*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH, IDWriteFont**) DECLSPEC_HIDDEN; extern HRESULT create_fontfacereference(IDWriteFactory7 *factory, IDWriteFontFile *file, UINT32 face_index, DWRITE_FONT_SIMULATIONS simulations, DWRITE_FONT_AXIS_VALUE const *axis_values, UINT32 axis_values_count, IDWriteFontFaceReference1 **reference) DECLSPEC_HIDDEN; extern HRESULT factory_get_cached_fontface(IDWriteFactory7 *factory, IDWriteFontFile * const *files, UINT32 num_files, DWRITE_FONT_SIMULATIONS simulations, struct list **cache, REFIID riid, void **obj) DECLSPEC_HIDDEN; extern void factory_detach_fontcollection(IDWriteFactory7 *factory, IDWriteFontCollection3 *collection) DECLSPEC_HIDDEN; extern void factory_detach_gdiinterop(IDWriteFactory7 *factory, IDWriteGdiInterop1 *interop) DECLSPEC_HIDDEN; extern struct fontfacecached *factory_cache_fontface(IDWriteFactory7 *factory, struct list *fontfaces, IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN; extern void get_logfont_from_font(IDWriteFont*,LOGFONTW*) DECLSPEC_HIDDEN; extern void get_logfont_from_fontface(IDWriteFontFace*,LOGFONTW*) DECLSPEC_HIDDEN; extern HRESULT get_fontsig_from_font(IDWriteFont*,FONTSIGNATURE*) DECLSPEC_HIDDEN; extern HRESULT get_fontsig_from_fontface(IDWriteFontFace*,FONTSIGNATURE*) DECLSPEC_HIDDEN; extern HRESULT create_gdiinterop(IDWriteFactory7 *factory, IDWriteGdiInterop1 **interop) DECLSPEC_HIDDEN; extern void fontface_detach_from_cache(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN; extern void factory_lock(IDWriteFactory7 *factory) DECLSPEC_HIDDEN; extern void factory_unlock(IDWriteFactory7 *factory) DECLSPEC_HIDDEN; extern HRESULT create_inmemory_fileloader(IDWriteInMemoryFontFileLoader **loader) DECLSPEC_HIDDEN; extern HRESULT create_font_resource(IDWriteFactory7 *factory, IDWriteFontFile *file, UINT32 face_index, IDWriteFontResource **resource) DECLSPEC_HIDDEN; extern HRESULT create_fontset_builder(IDWriteFactory7 *factory, IDWriteFontSetBuilder2 **ret) DECLSPEC_HIDDEN; extern HRESULT compute_glyph_origins(DWRITE_GLYPH_RUN const *run, DWRITE_MEASURING_MODE measuring_mode, D2D1_POINT_2F baseline_origin, DWRITE_MATRIX const *transform, D2D1_POINT_2F *origins) DECLSPEC_HIDDEN; extern HRESULT create_font_collection_from_set(IDWriteFactory7 *factory, IDWriteFontSet *set, DWRITE_FONT_FAMILY_MODEL family_model, REFGUID riid, void **ret) DECLSPEC_HIDDEN; extern HRESULT create_system_fontset(IDWriteFactory7 *factory, REFIID riid, void **obj) DECLSPEC_HIDDEN; struct dwrite_fontface; extern float fontface_get_scaled_design_advance(struct dwrite_fontface *fontface, DWRITE_MEASURING_MODE measuring_mode, float emsize, float ppdip, const DWRITE_MATRIX *transform, UINT16 glyph, BOOL is_sideways) DECLSPEC_HIDDEN; extern struct dwrite_fontface *unsafe_impl_from_IDWriteFontFace(IDWriteFontFace *iface) DECLSPEC_HIDDEN; struct dwrite_textformat_data { WCHAR *family_name; unsigned int family_len; WCHAR *locale; unsigned int locale_len; DWRITE_FONT_WEIGHT weight; DWRITE_FONT_STYLE style; DWRITE_FONT_STRETCH stretch; DWRITE_PARAGRAPH_ALIGNMENT paralign; DWRITE_READING_DIRECTION readingdir; DWRITE_WORD_WRAPPING wrapping; BOOL last_line_wrapping; DWRITE_TEXT_ALIGNMENT textalignment; DWRITE_FLOW_DIRECTION flow; DWRITE_VERTICAL_GLYPH_ORIENTATION vertical_orientation; DWRITE_OPTICAL_ALIGNMENT optical_alignment; DWRITE_LINE_SPACING spacing; DWRITE_AUTOMATIC_FONT_AXES automatic_axes; float fontsize; float tabstop; DWRITE_TRIMMING trimming; IDWriteInlineObject *trimmingsign; IDWriteFontCollection *collection; IDWriteFontFallback *fallback; DWRITE_FONT_AXIS_VALUE *axis_values; unsigned int axis_values_count; }; struct dwrite_textformat { IDWriteTextFormat3 IDWriteTextFormat3_iface; LONG refcount; struct dwrite_textformat_data format; }; struct dwrite_textformat *unsafe_impl_from_IDWriteTextFormat(IDWriteTextFormat *iface) DECLSPEC_HIDDEN; void release_format_data(struct dwrite_textformat_data *data) DECLSPEC_HIDDEN; HRESULT format_set_vertical_orientation(struct dwrite_textformat_data *format, DWRITE_VERTICAL_GLYPH_ORIENTATION orientation, BOOL *changed) DECLSPEC_HIDDEN; HRESULT format_set_fontfallback(struct dwrite_textformat_data *format, IDWriteFontFallback *fallback) DECLSPEC_HIDDEN; HRESULT format_get_fontfallback(const struct dwrite_textformat_data *format, IDWriteFontFallback **fallback) DECLSPEC_HIDDEN; HRESULT format_set_font_axisvalues(struct dwrite_textformat_data *format, DWRITE_FONT_AXIS_VALUE const *axis_values, unsigned int num_values) DECLSPEC_HIDDEN; HRESULT format_get_font_axisvalues(struct dwrite_textformat_data *format, DWRITE_FONT_AXIS_VALUE *axis_values, unsigned int num_values) DECLSPEC_HIDDEN; HRESULT format_set_optical_alignment(struct dwrite_textformat_data *format, DWRITE_OPTICAL_ALIGNMENT alignment) DECLSPEC_HIDDEN; HRESULT format_set_trimming(struct dwrite_textformat_data *format, DWRITE_TRIMMING const *trimming, IDWriteInlineObject *trimming_sign, BOOL *changed) DECLSPEC_HIDDEN; HRESULT format_set_flowdirection(struct dwrite_textformat_data *format, DWRITE_FLOW_DIRECTION direction, BOOL *changed) DECLSPEC_HIDDEN; HRESULT format_set_readingdirection(struct dwrite_textformat_data *format, DWRITE_READING_DIRECTION direction, BOOL *changed) DECLSPEC_HIDDEN; HRESULT format_set_wordwrapping(struct dwrite_textformat_data *format, DWRITE_WORD_WRAPPING wrapping, BOOL *changed) DECLSPEC_HIDDEN; HRESULT format_set_paralignment(struct dwrite_textformat_data *format, DWRITE_PARAGRAPH_ALIGNMENT alignment, BOOL *changed) DECLSPEC_HIDDEN; HRESULT format_set_textalignment(struct dwrite_textformat_data *format, DWRITE_TEXT_ALIGNMENT alignment, BOOL *changed) DECLSPEC_HIDDEN; HRESULT format_set_linespacing(struct dwrite_textformat_data *format, DWRITE_LINE_SPACING const *spacing, BOOL *changed) 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; FONTSIGNATURE fontsig; LOGFONTW lf; UINT32 flags; float slant_angle; }; struct file_stream_desc { IDWriteFontFileStream *stream; DWRITE_FONT_FACE_TYPE face_type; UINT32 face_index; }; extern const void* get_fontface_table(IDWriteFontFace5 *fontface, UINT32 tag, struct dwrite_fonttable *table) DECLSPEC_HIDDEN; struct tag_array { unsigned int *tags; size_t capacity; size_t count; }; struct ot_gsubgpos_table { struct dwrite_fonttable table; unsigned int script_list; unsigned int feature_list; unsigned int lookup_list; }; struct dwrite_var_axis { DWRITE_FONT_AXIS_TAG tag; float default_value; float min_value; float max_value; unsigned int attributes; }; extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,BOOL*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,UINT32*) DECLSPEC_HIDDEN; extern HRESULT opentype_try_get_font_table(const struct file_stream_desc *stream_desc, UINT32 tag, const void **data, void **context, UINT32 *size, BOOL *exists) DECLSPEC_HIDDEN; extern void opentype_get_font_properties(const struct file_stream_desc *stream_desc, struct dwrite_font_props *props) DECLSPEC_HIDDEN; extern void opentype_get_font_metrics(struct file_stream_desc*,DWRITE_FONT_METRICS1*,DWRITE_CARET_METRICS*) DECLSPEC_HIDDEN; extern void opentype_get_font_typo_metrics(struct file_stream_desc *stream_desc, unsigned int *ascent, unsigned int *descent) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_info_strings(const struct file_stream_desc *stream_desc, DWRITE_INFORMATIONAL_STRING_ID id, IDWriteLocalizedStrings **strings) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_familyname(const struct file_stream_desc *desc, DWRITE_FONT_FAMILY_MODEL family_model, IDWriteLocalizedStrings **names) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_facename(struct file_stream_desc*,WCHAR*,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN; extern void opentype_get_typographic_features(struct ot_gsubgpos_table *table, unsigned int script_index, unsigned int language_index, struct tag_array *tags) DECLSPEC_HIDDEN; extern BOOL opentype_get_vdmx_size(const struct dwrite_fonttable *table, INT ppem, UINT16 *ascent, UINT16 *descent) DECLSPEC_HIDDEN; extern unsigned int opentype_get_cpal_palettecount(const struct dwrite_fonttable *table) DECLSPEC_HIDDEN; extern unsigned int opentype_get_cpal_paletteentrycount(const struct dwrite_fonttable *table) DECLSPEC_HIDDEN; extern HRESULT opentype_get_cpal_entries(const struct dwrite_fonttable *table, unsigned int palette, unsigned int first_entry_index, unsigned int entry_count, DWRITE_COLOR_F *entries) DECLSPEC_HIDDEN; extern UINT32 opentype_get_glyph_image_formats(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN; extern DWRITE_CONTAINER_TYPE opentype_analyze_container_type(void const *, UINT32) DECLSPEC_HIDDEN; extern HRESULT opentype_get_kerning_pairs(struct dwrite_fontface *fontface, unsigned int count, const UINT16 *glyphs, INT32 *values) DECLSPEC_HIDDEN; extern BOOL opentype_has_kerning_pairs(struct dwrite_fontface *fontface) DECLSPEC_HIDDEN; extern HRESULT opentype_get_font_var_axis(const struct file_stream_desc *stream_desc, struct dwrite_var_axis **axis, unsigned int *axis_count) DECLSPEC_HIDDEN; struct dwrite_colorglyph { USHORT layer; /* [0, num_layers) index indicating current layer */ /* base glyph record data, set once on initialization */ USHORT first_layer; USHORT num_layers; /* current layer record data, updated every time glyph is switched to next layer */ UINT16 glyph; UINT16 palette_index; }; extern HRESULT opentype_get_colr_glyph(const struct dwrite_fonttable *table, UINT16 glyph, struct dwrite_colorglyph *color_glyph) DECLSPEC_HIDDEN; extern void opentype_colr_next_glyph(const struct dwrite_fonttable *table, struct dwrite_colorglyph *color_glyph) DECLSPEC_HIDDEN; enum gasp_flags { GASP_GRIDFIT = 0x0001, GASP_DOGRAY = 0x0002, GASP_SYMMETRIC_GRIDFIT = 0x0004, GASP_SYMMETRIC_SMOOTHING = 0x0008, }; extern unsigned int opentype_get_gasp_flags(const struct dwrite_fonttable *gasp, float emsize) DECLSPEC_HIDDEN; /* BiDi helpers */ extern HRESULT bidi_computelevels(const WCHAR*,UINT32,UINT8,UINT8*,UINT8*) DECLSPEC_HIDDEN; struct dwrite_glyphbitmap { DWORD simulations; float emsize; UINT16 glyph; INT pitch; RECT bbox; BYTE *buf; DWRITE_MATRIX *m; }; enum dwrite_outline_tags { OUTLINE_BEGIN_FIGURE, OUTLINE_END_FIGURE, OUTLINE_LINE, OUTLINE_BEZIER, }; struct dwrite_outline { struct { unsigned char *values; size_t count; size_t size; } tags; struct { D2D1_POINT_2F *values; size_t count; size_t size; } points; }; /* 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 { const struct shaping_font_ops *font; void *context; UINT16 upem; struct ot_gsubgpos_table gsub; struct ot_gsubgpos_table gpos; struct { struct dwrite_fonttable table; unsigned int classdef; unsigned int markattachclassdef; unsigned int markglyphsetdef; } gdef; }; struct shaping_glyph_info { /* Combined features mask. */ unsigned int mask; /* Derived from glyph class, supplied by GDEF. */ unsigned int props; /* Used for GPOS mark and cursive attachments. */ int attach_chain; /* Only relevant for isClusterStart glyphs. Indicates text position for this cluster. */ unsigned int start_text_idx; unsigned int codepoint; }; struct shaping_glyph_properties { UINT16 justification : 4; UINT16 isClusterStart : 1; UINT16 isDiacritic : 1; UINT16 isZeroWidthSpace : 1; UINT16 reserved : 1; UINT16 components : 4; UINT16 lig_component : 4; }; struct scriptshaping_context; typedef void (*p_apply_context_lookup)(struct scriptshaping_context *context, unsigned int lookup_index); enum shaping_feature_flags { FEATURE_GLOBAL = 0x1, FEATURE_GLOBAL_SEARCH = 0x2, FEATURE_MANUAL_ZWNJ = 0x4, FEATURE_MANUAL_ZWJ = 0x8, FEATURE_MANUAL_JOINERS = FEATURE_MANUAL_ZWNJ | FEATURE_MANUAL_ZWJ, FEATURE_HAS_FALLBACK = 0x10, FEATURE_NEEDS_FALLBACK = 0x20, }; struct shaping_feature { unsigned int tag; unsigned int index; unsigned int flags; unsigned int max_value; unsigned int default_value; unsigned int mask; unsigned int shift; unsigned int stage; }; #define MAX_SHAPING_STAGE 16 struct shaping_features; typedef void (*stage_func)(struct scriptshaping_context *context, const struct shaping_features *features); struct shaping_stage { stage_func func; unsigned int last_lookup; }; struct shaping_features { struct shaping_feature *features; size_t count; size_t capacity; unsigned int stage; struct shaping_stage stages[MAX_SHAPING_STAGE]; }; struct shaper { void (*collect_features)(struct scriptshaping_context *context, struct shaping_features *features); void (*setup_masks)(struct scriptshaping_context *context, const struct shaping_features *features); }; extern const struct shaper arabic_shaper DECLSPEC_HIDDEN; extern void shape_enable_feature(struct shaping_features *features, unsigned int tag, unsigned int flags) DECLSPEC_HIDDEN; extern void shape_add_feature_full(struct shaping_features *features, unsigned int tag, unsigned int flags, unsigned int value) DECLSPEC_HIDDEN; extern unsigned int shape_get_feature_1_mask(const struct shaping_features *features, unsigned int tag) DECLSPEC_HIDDEN; extern void shape_start_next_stage(struct shaping_features *features, stage_func func) DECLSPEC_HIDDEN; struct scriptshaping_context { struct scriptshaping_cache *cache; const struct shaper *shaper; unsigned int script; UINT32 language_tag; const WCHAR *text; unsigned int length; BOOL is_rtl; BOOL is_sideways; union { struct { const UINT16 *glyphs; const DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props; DWRITE_SHAPING_TEXT_PROPERTIES *text_props; const UINT16 *clustermap; p_apply_context_lookup apply_context_lookup; } pos; struct { UINT16 *glyphs; DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props; DWRITE_SHAPING_TEXT_PROPERTIES *text_props; UINT16 *clustermap; p_apply_context_lookup apply_context_lookup; unsigned int max_glyph_count; unsigned int capacity; const WCHAR *digits; } subst; struct { UINT16 *glyphs; struct shaping_glyph_properties *glyph_props; DWRITE_SHAPING_TEXT_PROPERTIES *text_props; UINT16 *clustermap; p_apply_context_lookup apply_context_lookup; } buffer; } u; const struct ot_gsubgpos_table *table; /* Either GSUB or GPOS. */ struct { const DWRITE_TYPOGRAPHIC_FEATURES **features; const unsigned int *range_lengths; unsigned int range_count; } user_features; unsigned int global_mask; unsigned int lookup_mask; /* Currently processed feature mask, set in main loop. */ unsigned int auto_zwj; unsigned int auto_zwnj; struct shaping_glyph_info *glyph_infos; unsigned int has_gpos_attachment : 1; unsigned int cur; unsigned int glyph_count; unsigned int nesting_level_left; float emsize; DWRITE_MEASURING_MODE measuring_mode; float *advances; DWRITE_GLYPH_OFFSET *offsets; }; struct shaping_font_ops { void (*grab_font_table)(void *context, UINT32 table, const BYTE **data, UINT32 *size, void **data_context); void (*release_font_table)(void *context, void *data_context); UINT16 (*get_font_upem)(void *context); BOOL (*has_glyph)(void *context, unsigned int codepoint); UINT16 (*get_glyph)(void *context, unsigned int codepoint); }; extern struct scriptshaping_cache *create_scriptshaping_cache(void *context, const struct shaping_font_ops *font_ops) DECLSPEC_HIDDEN; extern void release_scriptshaping_cache(struct scriptshaping_cache*) DECLSPEC_HIDDEN; extern struct scriptshaping_cache *fontface_get_shaping_cache(struct dwrite_fontface *fontface) DECLSPEC_HIDDEN; extern void opentype_layout_scriptshaping_cache_init(struct scriptshaping_cache *cache) DECLSPEC_HIDDEN; extern unsigned int opentype_layout_find_script(const struct scriptshaping_cache *cache, unsigned int kind, DWORD tag, unsigned int *script_index) DECLSPEC_HIDDEN; extern unsigned int opentype_layout_find_language(const struct scriptshaping_cache *cache, unsigned int kind, DWORD tag, unsigned int script_index, unsigned int *language_index) DECLSPEC_HIDDEN; extern void opentype_layout_apply_gsub_features(struct scriptshaping_context *context, unsigned int script_index, unsigned int language_index, struct shaping_features *features) DECLSPEC_HIDDEN; extern void opentype_layout_apply_gpos_features(struct scriptshaping_context *context, unsigned int script_index, unsigned int language_index, struct shaping_features *features) DECLSPEC_HIDDEN; extern BOOL opentype_layout_check_feature(struct scriptshaping_context *context, unsigned int script_index, unsigned int language_index, struct shaping_feature *feature, unsigned int glyph_count, const UINT16 *glyphs, UINT8 *feature_applies) DECLSPEC_HIDDEN; extern void opentype_layout_unsafe_to_break(struct scriptshaping_context *context, unsigned int start, unsigned int end) DECLSPEC_HIDDEN; extern BOOL opentype_has_vertical_variants(struct dwrite_fontface *fontface) DECLSPEC_HIDDEN; extern HRESULT opentype_get_vertical_glyph_variants(struct dwrite_fontface *fontface, unsigned int glyph_count, const UINT16 *nominal_glyphs, UINT16 *glyphs) DECLSPEC_HIDDEN; extern HRESULT shape_get_glyphs(struct scriptshaping_context *context, const unsigned int *scripts) DECLSPEC_HIDDEN; extern HRESULT shape_get_positions(struct scriptshaping_context *context, const unsigned int *scripts) DECLSPEC_HIDDEN; extern HRESULT shape_get_typographic_features(struct scriptshaping_context *context, const unsigned int *scripts, unsigned int max_tagcount, unsigned int *actual_tagcount, unsigned int *tags) DECLSPEC_HIDDEN; extern HRESULT shape_check_typographic_feature(struct scriptshaping_context *context, const unsigned int *scripts, unsigned int tag, unsigned int glyph_count, const UINT16 *glyphs, UINT8 *feature_applies) DECLSPEC_HIDDEN; struct font_data_context; extern HMODULE dwrite_module DECLSPEC_HIDDEN; extern void dwrite_fontface_get_glyph_bbox(IDWriteFontFace *fontface, struct dwrite_glyphbitmap *bitmap) DECLSPEC_HIDDEN;