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![Nikolay Sivov](/assets/img/avatar_default.png)
Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
750 lines
28 KiB
C
750 lines
28 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 "winternl.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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#define MS_GSUB_TAG DWRITE_MAKE_OPENTYPE_TAG('G','S','U','B')
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#define MS_GPOS_TAG DWRITE_MAKE_OPENTYPE_TAG('G','P','O','S')
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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 = (lstrlenW(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 (!*elements)
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new_elements = RtlAllocateHeap(GetProcessHeap(), 0, new_capacity * size);
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else
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new_elements = RtlReAllocateHeap(GetProcessHeap(), 0, *elements, new_capacity * size);
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if (!new_elements)
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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 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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IDWriteFactory7 *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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IDWriteFactory7 *factory;
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DWRITE_FONT_FACE_TYPE face_type;
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IDWriteFontFile *file;
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IDWriteFontFileStream *stream;
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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 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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struct fontfacecached
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{
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struct list entry;
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IDWriteFontFace5 *fontface;
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};
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#define GLYPH_BLOCK_SHIFT 8
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#define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT)
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#define GLYPH_BLOCK_MASK (GLYPH_BLOCK_SIZE - 1)
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#define GLYPH_MAX 65536
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enum font_flags
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{
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FONT_IS_SYMBOL = 0x00000001,
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FONT_IS_MONOSPACED = 0x00000002,
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FONT_IS_COLORED = 0x00000004, /* CPAL/COLR support */
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FONTFACE_KERNING_PAIRS = 0x00000008,
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FONTFACE_NO_KERNING_PAIRS = 0x00000010,
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FONTFACE_VERTICAL_VARIANTS = 0x00000020,
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FONTFACE_NO_VERTICAL_VARIANTS = 0x00000040,
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};
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struct dwrite_cmap;
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typedef UINT16 (*p_cmap_get_glyph_func)(const struct dwrite_cmap *cmap, unsigned int ch);
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typedef unsigned int (*p_cmap_get_ranges_func)(const struct dwrite_cmap *cmap, unsigned int max_count,
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DWRITE_UNICODE_RANGE *ranges);
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struct dwrite_cmap
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{
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const void *data;
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union
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{
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struct
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{
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unsigned int seg_count;
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unsigned int glyph_id_array_len;
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const UINT16 *ends;
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const UINT16 *starts;
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const UINT16 *id_delta;
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const UINT16 *id_range_offset;
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const UINT16 *glyph_id_array;
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} format4;
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struct
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{
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unsigned int first;
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unsigned int last;
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} format6_10;
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struct
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{
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unsigned int group_count;
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} format12_13;
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} u;
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p_cmap_get_glyph_func get_glyph;
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p_cmap_get_ranges_func get_ranges;
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unsigned short symbol : 1;
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IDWriteFontFileStream *stream;
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void *table_context;
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};
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extern void dwrite_cmap_init(struct dwrite_cmap *cmap, IDWriteFontFile *file, unsigned int face_index,
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DWRITE_FONT_FACE_TYPE face_type) DECLSPEC_HIDDEN;
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extern void dwrite_cmap_release(struct dwrite_cmap *cmap) DECLSPEC_HIDDEN;
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extern UINT16 opentype_cmap_get_glyph(const struct dwrite_cmap *cmap, unsigned int ch) DECLSPEC_HIDDEN;
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extern HRESULT opentype_cmap_get_unicode_ranges(const struct dwrite_cmap *cmap, unsigned int max_count,
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DWRITE_UNICODE_RANGE *ranges, unsigned int *count) DECLSPEC_HIDDEN;
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struct dwrite_fontface
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{
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IDWriteFontFace5 IDWriteFontFace5_iface;
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IDWriteFontFaceReference IDWriteFontFaceReference_iface;
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LONG refcount;
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IDWriteFontFileStream *stream;
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IDWriteFontFile *file;
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UINT32 index;
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IDWriteFactory7 *factory;
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struct fontfacecached *cached;
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USHORT simulations;
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DWRITE_FONT_FACE_TYPE type;
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DWRITE_FONT_METRICS1 metrics;
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DWRITE_CARET_METRICS caret;
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struct
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{
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unsigned int ascent;
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unsigned int descent;
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} typo_metrics;
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unsigned int flags;
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struct dwrite_cmap cmap;
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struct dwrite_fonttable vdmx;
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struct dwrite_fonttable gasp;
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struct dwrite_fonttable cpal;
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struct dwrite_fonttable colr;
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struct dwrite_fonttable kern;
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DWRITE_GLYPH_METRICS *glyphs[GLYPH_MAX/GLYPH_BLOCK_SIZE];
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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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UINT32 glyph_image_formats;
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IDWriteLocalizedStrings *info_strings[DWRITE_INFORMATIONAL_STRING_SUPPORTED_SCRIPT_LANGUAGE_TAG + 1];
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IDWriteLocalizedStrings *family_names;
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IDWriteLocalizedStrings *names;
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struct scriptshaping_cache *shaping_cache;
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LOGFONTW lf;
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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(IDWriteFactory7 *factory, IDWriteTextFormat *format,
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IDWriteInlineObject **sign) 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_localizedstrings(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 void sort_localizedstrings(IDWriteLocalizedStrings*) DECLSPEC_HIDDEN;
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extern unsigned int get_localizedstrings_count(IDWriteLocalizedStrings *strings) DECLSPEC_HIDDEN;
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extern BOOL localizedstrings_contains(IDWriteLocalizedStrings *strings, const WCHAR *str) DECLSPEC_HIDDEN;
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extern HRESULT get_system_fontcollection(IDWriteFactory7 *factory, IDWriteFontCollection1 **collection) DECLSPEC_HIDDEN;
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extern HRESULT get_eudc_fontcollection(IDWriteFactory7 *factory, IDWriteFontCollection3 **collection) DECLSPEC_HIDDEN;
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extern IDWriteTextAnalyzer2 *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 *desc, struct list *cached_list,
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IDWriteFontFace5 **fontface) DECLSPEC_HIDDEN;
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extern HRESULT create_font_collection(IDWriteFactory7 *factory, IDWriteFontFileEnumerator *enumerator, BOOL is_system,
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IDWriteFontCollection3 **collection) 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(IDWriteFactory7 *factory, IDWriteFontFallback1 **fallback) DECLSPEC_HIDDEN;
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extern void release_system_fontfallback(IDWriteFontFallback1 *fallback) DECLSPEC_HIDDEN;
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extern HRESULT create_fontfallback_builder(IDWriteFactory7 *factory, IDWriteFontFallbackBuilder **builder) 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(IDWriteFactory7 *factory, IDWriteFontFile *file, UINT32 face_index,
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DWRITE_FONT_SIMULATIONS simulations, DWRITE_FONT_AXIS_VALUE const *axis_values, UINT32 axis_values_count,
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IDWriteFontFaceReference1 **reference) DECLSPEC_HIDDEN;
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extern HRESULT factory_get_cached_fontface(IDWriteFactory7 *factory, IDWriteFontFile * const *files, UINT32 num_files,
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DWRITE_FONT_SIMULATIONS simulations, struct list **cache, REFIID riid, void **obj) DECLSPEC_HIDDEN;
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extern void factory_detach_fontcollection(IDWriteFactory7 *factory, IDWriteFontCollection3 *collection) DECLSPEC_HIDDEN;
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extern void factory_detach_gdiinterop(IDWriteFactory7 *factory, IDWriteGdiInterop1 *interop) DECLSPEC_HIDDEN;
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extern struct fontfacecached *factory_cache_fontface(IDWriteFactory7 *factory, struct list *fontfaces,
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IDWriteFontFace5 *fontface) 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(IDWriteFactory7 *factory, IDWriteGdiInterop1 **interop) DECLSPEC_HIDDEN;
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extern void fontface_detach_from_cache(IDWriteFontFace5 *fontface) DECLSPEC_HIDDEN;
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extern void factory_lock(IDWriteFactory7 *factory) DECLSPEC_HIDDEN;
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extern void factory_unlock(IDWriteFactory7 *factory) DECLSPEC_HIDDEN;
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extern HRESULT create_inmemory_fileloader(IDWriteInMemoryFontFileLoader **loader) DECLSPEC_HIDDEN;
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extern HRESULT create_font_resource(IDWriteFactory7 *factory, IDWriteFontFile *file, UINT32 face_index,
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IDWriteFontResource **resource) DECLSPEC_HIDDEN;
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extern HRESULT create_fontset_builder(IDWriteFactory7 *factory, IDWriteFontSetBuilder2 **ret) DECLSPEC_HIDDEN;
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extern HRESULT compute_glyph_origins(DWRITE_GLYPH_RUN const *run, DWRITE_MEASURING_MODE measuring_mode,
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D2D1_POINT_2F baseline_origin, DWRITE_MATRIX const *transform, D2D1_POINT_2F *origins) 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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{
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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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UINT32 flags;
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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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extern const void* get_fontface_table(IDWriteFontFace5 *fontface, UINT32 tag,
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struct dwrite_fonttable *table) DECLSPEC_HIDDEN;
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struct tag_array
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{
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unsigned int *tags;
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size_t capacity;
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size_t count;
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};
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struct ot_gsubgpos_table
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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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};
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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_try_get_font_table(const struct file_stream_desc *stream_desc, UINT32 tag, const void **data,
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void **context, UINT32 *size, BOOL *exists) 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 void opentype_get_font_typo_metrics(struct file_stream_desc *stream_desc, unsigned int *ascent,
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unsigned int *descent) DECLSPEC_HIDDEN;
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extern HRESULT opentype_get_font_info_strings(const struct file_stream_desc *stream_desc,
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DWRITE_INFORMATIONAL_STRING_ID id, IDWriteLocalizedStrings **strings) 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 void opentype_get_typographic_features(struct ot_gsubgpos_table *table, unsigned int script_index,
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unsigned int language_index, struct tag_array *tags) 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;
|
|
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;
|
|
|
|
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
|
|
{
|
|
void *key;
|
|
DWORD simulations;
|
|
float emsize;
|
|
BOOL nohint;
|
|
BOOL aliased;
|
|
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 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, 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;
|
|
|
|
struct font_callback_funcs
|
|
{
|
|
int (CDECL *get_font_data)(void *key, const void **data_ptr, UINT64 *data_size, unsigned int *index,
|
|
struct font_data_context **context);
|
|
void (CDECL *release_font_data)(struct font_data_context *context);
|
|
};
|
|
|
|
struct font_backend_funcs
|
|
{
|
|
void (CDECL *notify_release)(void *key);
|
|
int (CDECL *get_glyph_outline)(void *key, float em_size, unsigned int simulations, UINT16 glyph,
|
|
struct dwrite_outline *outline);
|
|
UINT16 (CDECL *get_glyph_count)(void *key);
|
|
INT32 (CDECL *get_glyph_advance)(void *key, float em_size, UINT16 index, DWRITE_MEASURING_MODE measuring_mode,
|
|
BOOL *has_contours);
|
|
void (CDECL *get_glyph_bbox)(struct dwrite_glyphbitmap *bitmap_desc);
|
|
BOOL (CDECL *get_glyph_bitmap)(struct dwrite_glyphbitmap *bitmap_desc);
|
|
void (CDECL *get_design_glyph_metrics)(void *key, UINT16 upem, UINT16 ascent, unsigned int simulations,
|
|
UINT16 glyph, DWRITE_GLYPH_METRICS *metrics);
|
|
};
|
|
|
|
extern void init_font_backend(void) DECLSPEC_HIDDEN;
|
|
extern void release_font_backend(void) DECLSPEC_HIDDEN;
|
|
|
|
extern void dwrite_fontface_get_glyph_bbox(struct dwrite_glyphbitmap *bitmap) DECLSPEC_HIDDEN;
|