662 lines
25 KiB
C
662 lines
25 KiB
C
/*
|
|
* 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 "wine/debug.h"
|
|
#include "wine/heap.h"
|
|
#include "wine/list.h"
|
|
#include "wine/unicode.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_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 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;
|
|
|
|
if (!(new_elements = heap_realloc(*elements, new_capacity * size)))
|
|
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 FLOAT get_scaled_advance_width(INT32 advance, FLOAT emSize, const DWRITE_FONT_METRICS *metrics)
|
|
{
|
|
return (FLOAT)advance * emSize / (FLOAT)metrics->designUnitsPerEm;
|
|
}
|
|
|
|
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 * const *files;
|
|
IDWriteFontFileStream *stream;
|
|
UINT32 files_number;
|
|
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 = 1 << 0,
|
|
FONT_IS_MONOSPACED = 1 << 1,
|
|
FONT_IS_COLORED = 1 << 2, /* CPAL/COLR support */
|
|
FONTFACE_HAS_KERNING_PAIRS = 1 << 3,
|
|
FONTFACE_HAS_VERTICAL_VARIANTS = 1 << 4
|
|
};
|
|
|
|
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
|
|
{
|
|
IDWriteFontFace5 IDWriteFontFace5_iface;
|
|
IDWriteFontFaceReference IDWriteFontFaceReference_iface;
|
|
LONG refcount;
|
|
|
|
IDWriteFontFileStream *stream;
|
|
IDWriteFontFile **files;
|
|
UINT32 file_count;
|
|
UINT32 index;
|
|
|
|
IDWriteFactory7 *factory;
|
|
struct fontfacecached *cached;
|
|
|
|
USHORT simulations;
|
|
DWRITE_FONT_FACE_TYPE type;
|
|
DWRITE_FONT_METRICS1 metrics;
|
|
DWRITE_CARET_METRICS caret;
|
|
struct
|
|
{
|
|
unsigned int ascent;
|
|
unsigned int descent;
|
|
} typo_metrics;
|
|
UINT32 flags;
|
|
|
|
struct dwrite_cmap cmap;
|
|
|
|
struct dwrite_fonttable vdmx;
|
|
struct dwrite_fonttable gasp;
|
|
struct dwrite_fonttable cpal;
|
|
struct dwrite_fonttable colr;
|
|
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_textformat(const WCHAR*,IDWriteFontCollection*,DWRITE_FONT_WEIGHT,DWRITE_FONT_STYLE,DWRITE_FONT_STRETCH,
|
|
FLOAT,const WCHAR*,IDWriteTextFormat**) 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 HRESULT get_system_fontcollection(IDWriteFactory7 *factory, IDWriteFontCollection1 **collection) DECLSPEC_HIDDEN;
|
|
extern HRESULT get_eudc_fontcollection(IDWriteFactory7 *factory, IDWriteFontCollection3 **collection) DECLSPEC_HIDDEN;
|
|
extern IDWriteTextAnalyzer *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(FLOAT,FLOAT,const DWRITE_GLYPH_RUN*,const DWRITE_GLYPH_RUN_DESCRIPTION*,DWRITE_MEASURING_MODE,
|
|
const DWRITE_MATRIX*,UINT32,IDWriteColorGlyphRunEnumerator**) 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;
|
|
|
|
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;
|
|
|
|
/* 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;
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
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(struct file_stream_desc*,struct dwrite_font_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(struct file_stream_desc*,IDWriteLocalizedStrings**) 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 BOOL opentype_has_vertical_variants(IDWriteFontFace5 *fontface) 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;
|
|
|
|
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;
|
|
|
|
/* FreeType integration */
|
|
struct dwrite_glyphbitmap
|
|
{
|
|
IDWriteFontFace4 *fontface;
|
|
DWORD simulations;
|
|
float emsize;
|
|
BOOL nohint;
|
|
BOOL aliased;
|
|
UINT16 glyph;
|
|
INT pitch;
|
|
RECT bbox;
|
|
BYTE *buf;
|
|
DWRITE_MATRIX *m;
|
|
};
|
|
|
|
extern BOOL init_freetype(void) DECLSPEC_HIDDEN;
|
|
extern void release_freetype(void) DECLSPEC_HIDDEN;
|
|
|
|
extern HRESULT freetype_get_design_glyph_metrics(struct dwrite_fontface *fontface, UINT16 glyph,
|
|
DWRITE_GLYPH_METRICS *metrics) DECLSPEC_HIDDEN;
|
|
extern void freetype_notify_cacheremove(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN;
|
|
extern HRESULT freetype_get_glyphrun_outline(IDWriteFontFace5 *fontface, float emsize, UINT16 const *glyphs,
|
|
float const *advances, DWRITE_GLYPH_OFFSET const *offsets, unsigned int count, BOOL is_rtl,
|
|
IDWriteGeometrySink *sink) DECLSPEC_HIDDEN;
|
|
extern UINT16 freetype_get_glyphcount(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN;
|
|
extern BOOL freetype_has_kerning_pairs(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN;
|
|
extern INT32 freetype_get_kerning_pair_adjustment(IDWriteFontFace5 *fontface, UINT16 left, UINT16 right) DECLSPEC_HIDDEN;
|
|
extern void freetype_get_glyph_bbox(struct dwrite_glyphbitmap *bitmap_desc) DECLSPEC_HIDDEN;
|
|
extern BOOL freetype_get_glyph_bitmap(struct dwrite_glyphbitmap*) DECLSPEC_HIDDEN;
|
|
extern INT32 freetype_get_glyph_advance(IDWriteFontFace5 *fontface, FLOAT emsize, UINT16 index,
|
|
DWRITE_MEASURING_MODE measuring_mode, BOOL *has_contours) DECLSPEC_HIDDEN;
|
|
extern void freetype_get_design_glyph_bbox(IDWriteFontFace4*,UINT16,UINT16,RECT*) 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
|
|
{
|
|
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;
|
|
/* Only relevant for isClusterStart glyphs. Indicates text position for this cluster. */
|
|
unsigned int start_text_idx;
|
|
};
|
|
|
|
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);
|
|
|
|
struct scriptshaping_context
|
|
{
|
|
struct scriptshaping_cache *cache;
|
|
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. */
|
|
struct shaping_glyph_info *glyph_infos;
|
|
|
|
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;
|
|
|
|
enum shaping_feature_flags
|
|
{
|
|
FEATURE_GLOBAL = 0x1,
|
|
FEATURE_GLOBAL_SEARCH = 0x2,
|
|
};
|
|
|
|
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;
|
|
};
|
|
|
|
struct shaping_features
|
|
{
|
|
struct shaping_feature *features;
|
|
size_t count;
|
|
size_t capacity;
|
|
unsigned int stage;
|
|
};
|
|
|
|
extern void opentype_layout_scriptshaping_cache_init(struct scriptshaping_cache *cache) DECLSPEC_HIDDEN;
|
|
extern DWORD opentype_layout_find_script(const struct scriptshaping_cache *cache, DWORD kind, DWORD tag,
|
|
unsigned int *script_index) DECLSPEC_HIDDEN;
|
|
extern DWORD opentype_layout_find_language(const struct scriptshaping_cache *cache, DWORD 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, const 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, const 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 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;
|