wine/dlls/dwrite/dwrite_private.h
2015-03-16 21:42:40 +09:00

215 lines
8.8 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_2.h"
#include "d2d1.h"
#include "wine/debug.h"
#include "wine/unicode.h"
static const DWRITE_MATRIX identity =
{
1.0f, 0.0f,
0.0f, 1.0f,
0.0f, 0.0f
};
static inline void *heap_alloc(size_t len)
{
return HeapAlloc(GetProcessHeap(), 0, len);
}
static inline void *heap_alloc_zero(size_t len)
{
return HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
}
static inline void *heap_realloc(void *mem, size_t len)
{
return HeapReAlloc(GetProcessHeap(), 0, mem, len);
}
static inline void *heap_realloc_zero(void *mem, size_t len)
{
return HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, mem, len);
}
static inline BOOL heap_free(void *mem)
{
return HeapFree(GetProcessHeap(), 0, mem);
}
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 unsigned short get_table_entry(const unsigned short *table, WCHAR ch)
{
return table[table[table[ch >> 8] + ((ch >> 4) & 0x0f)] + (ch & 0xf)];
}
extern HRESULT convert_fontface_to_logfont(IDWriteFontFace*, LOGFONTW*) DECLSPEC_HIDDEN;
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 WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,IDWriteTextLayout**) DECLSPEC_HIDDEN;
extern HRESULT create_gdicompat_textlayout(const WCHAR*,UINT32,IDWriteTextFormat*,FLOAT,FLOAT,FLOAT,const DWRITE_MATRIX*,BOOL,IDWriteTextLayout**) DECLSPEC_HIDDEN;
extern HRESULT create_trimmingsign(IDWriteInlineObject**) DECLSPEC_HIDDEN;
extern HRESULT create_typography(IDWriteTypography**) DECLSPEC_HIDDEN;
extern HRESULT create_gdiinterop(IDWriteFactory2*,IDWriteGdiInterop**) DECLSPEC_HIDDEN;
extern void release_gdiinterop(IDWriteGdiInterop*) DECLSPEC_HIDDEN;
extern HRESULT create_localizedstrings(IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
extern HRESULT add_localizedstring(IDWriteLocalizedStrings*,const WCHAR*,const WCHAR*) DECLSPEC_HIDDEN;
extern HRESULT clone_localizedstring(IDWriteLocalizedStrings *iface, IDWriteLocalizedStrings **strings) DECLSPEC_HIDDEN;
extern HRESULT get_system_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN;
extern HRESULT get_eudc_fontcollection(IDWriteFactory2*,IDWriteFontCollection**) DECLSPEC_HIDDEN;
extern HRESULT get_textanalyzer(IDWriteTextAnalyzer**) DECLSPEC_HIDDEN;
extern HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file) DECLSPEC_HIDDEN;
extern HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface) DECLSPEC_HIDDEN;
extern HRESULT create_fontface(DWRITE_FONT_FACE_TYPE,UINT32,IDWriteFontFile* const*,UINT32,DWRITE_FONT_SIMULATIONS,IDWriteFontFace2**) DECLSPEC_HIDDEN;
extern HRESULT create_font_collection(IDWriteFactory2*,IDWriteFontFileEnumerator*,BOOL,IDWriteFontCollection**) 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;
/* Opentype font table functions */
extern HRESULT opentype_analyze_font(IDWriteFontFileStream*,UINT32*,DWRITE_FONT_FILE_TYPE*,DWRITE_FONT_FACE_TYPE*,BOOL*) DECLSPEC_HIDDEN;
extern HRESULT opentype_get_font_table(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,UINT32,const void**,void**,UINT32*,BOOL*) DECLSPEC_HIDDEN;
extern HRESULT opentype_cmap_get_unicode_ranges(void*,UINT32,DWRITE_UNICODE_RANGE*,UINT32*) DECLSPEC_HIDDEN;
extern void opentype_get_font_properties(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,DWRITE_FONT_STRETCH*,
DWRITE_FONT_WEIGHT*,DWRITE_FONT_STYLE*) DECLSPEC_HIDDEN;
extern void opentype_get_font_metrics(IDWriteFontFileStream*,DWRITE_FONT_FACE_TYPE,UINT32,DWRITE_FONT_METRICS1*,DWRITE_CARET_METRICS*) DECLSPEC_HIDDEN;
extern HRESULT opentype_get_font_strings_from_id(const void*,DWRITE_INFORMATIONAL_STRING_ID,IDWriteLocalizedStrings**) DECLSPEC_HIDDEN;
extern HRESULT opentype_get_typographic_features(IDWriteFontFace*,UINT32,UINT32,UINT32,UINT32*,DWRITE_FONT_FEATURE_TAG*) DECLSPEC_HIDDEN;
/* BiDi helpers */
extern HRESULT bidi_computelevels(const WCHAR*,UINT32,UINT8,UINT8*,UINT8*) DECLSPEC_HIDDEN;
extern WCHAR bidi_get_mirrored_char(WCHAR) DECLSPEC_HIDDEN;
enum outline_point_tag {
OUTLINE_POINT_START = 1 << 0,
OUTLINE_POINT_END = 1 << 1,
OUTLINE_POINT_BEZIER = 1 << 2,
OUTLINE_POINT_LINE = 1 << 3
};
struct glyph_outline {
D2D1_POINT_2F *points;
UINT8 *tags;
UINT16 count;
FLOAT advance;
};
extern HRESULT new_glyph_outline(UINT32,struct glyph_outline**) DECLSPEC_HIDDEN;
/* FreeType integration */
extern BOOL init_freetype(void) DECLSPEC_HIDDEN;
extern void release_freetype(void) DECLSPEC_HIDDEN;
extern HRESULT freetype_get_design_glyph_metrics(IDWriteFontFace2*,UINT16,UINT16,DWRITE_GLYPH_METRICS*) DECLSPEC_HIDDEN;
extern void freetype_notify_cacheremove(IDWriteFontFace2*) DECLSPEC_HIDDEN;
extern BOOL freetype_is_monospaced(IDWriteFontFace2*) DECLSPEC_HIDDEN;
extern HRESULT freetype_get_glyph_outline(IDWriteFontFace2*,FLOAT,UINT16,USHORT,struct glyph_outline**) DECLSPEC_HIDDEN;
extern UINT16 freetype_get_glyphcount(IDWriteFontFace2*) DECLSPEC_HIDDEN;
extern UINT16 freetype_get_glyphindex(IDWriteFontFace2*,UINT32) DECLSPEC_HIDDEN;
extern BOOL freetype_has_kerning_pairs(IDWriteFontFace2*) DECLSPEC_HIDDEN;
extern INT32 freetype_get_kerning_pair_adjustment(IDWriteFontFace2*,UINT16,UINT16) 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;
struct scriptshaping_context
{
struct scriptshaping_cache *cache;
UINT32 language_tag;
const WCHAR *text;
UINT32 length;
BOOL is_rtl;
UINT32 max_glyph_count;
};
extern HRESULT create_scriptshaping_cache(IDWriteFontFace*,struct scriptshaping_cache**) DECLSPEC_HIDDEN;
extern void release_scriptshaping_cache(struct scriptshaping_cache*) DECLSPEC_HIDDEN;
struct scriptshaping_ops
{
HRESULT (*contextual_shaping)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices, UINT32* actual_glyph_count);
HRESULT (*set_text_glyphs_props)(struct scriptshaping_context *context, UINT16 *clustermap, UINT16 *glyph_indices,
UINT32 glyphcount, DWRITE_SHAPING_TEXT_PROPERTIES *text_props, DWRITE_SHAPING_GLYPH_PROPERTIES *glyph_props);
};
extern const struct scriptshaping_ops default_shaping_ops DECLSPEC_HIDDEN;
extern const struct scriptshaping_ops latn_shaping_ops DECLSPEC_HIDDEN;