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gdi32: Add loading and processing of GSUB table vert/vrt2 functions for proper tategaki (vertical writing).
This commit is contained in:
Aric Stewart
Alexandre Julliard
parent
1137f4bf31
commit
36ac341b55
@ -336,6 +336,7 @@ struct tagGdiFont {
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DWORD ntmFlags;
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FONTSIGNATURE fs;
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GdiFont *base_font;
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VOID *GSUB_Table;
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};
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typedef struct {
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@ -501,6 +502,105 @@ static BOOL get_glyph_index_linked(GdiFont *font, UINT c, GdiFont **linked_font,
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* cga40woa.fon=cga40850.fon
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*/
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/* These are all structures needed for the GSUB table */
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#define GSUB_TAG MS_MAKE_TAG('G', 'S', 'U', 'B')
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#define TATEGAKI_LOWER_BOUND 0x02F1
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typedef struct {
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DWORD version;
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WORD ScriptList;
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WORD FeatureList;
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WORD LookupList;
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} GSUB_Header;
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typedef struct {
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CHAR ScriptTag[4];
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WORD Script;
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} GSUB_ScriptRecord;
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typedef struct {
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WORD ScriptCount;
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GSUB_ScriptRecord ScriptRecord[1];
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} GSUB_ScriptList;
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typedef struct {
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CHAR LangSysTag[4];
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WORD LangSys;
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} GSUB_LangSysRecord;
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typedef struct {
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WORD DefaultLangSys;
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WORD LangSysCount;
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GSUB_LangSysRecord LangSysRecord[1];
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} GSUB_Script;
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typedef struct {
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WORD LookupOrder; /* Reserved */
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WORD ReqFeatureIndex;
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WORD FeatureCount;
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WORD FeatureIndex[1];
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} GSUB_LangSys;
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typedef struct {
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CHAR FeatureTag[4];
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WORD Feature;
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} GSUB_FeatureRecord;
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typedef struct {
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WORD FeatureCount;
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GSUB_FeatureRecord FeatureRecord[1];
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} GSUB_FeatureList;
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typedef struct {
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WORD FeatureParams; /* Reserved */
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WORD LookupCount;
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WORD LookupListIndex[1];
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} GSUB_Feature;
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typedef struct {
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WORD LookupCount;
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WORD Lookup[1];
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} GSUB_LookupList;
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typedef struct {
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WORD LookupType;
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WORD LookupFlag;
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WORD SubTableCount;
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WORD SubTable[1];
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} GSUB_LookupTable;
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typedef struct {
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WORD CoverageFormat;
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WORD GlyphCount;
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WORD GlyphArray[1];
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} GSUB_CoverageFormat1;
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typedef struct {
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WORD Start;
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WORD End;
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WORD StartCoverageIndex;
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} GSUB_RangeRecord;
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typedef struct {
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WORD CoverageFormat;
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WORD RangeCount;
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GSUB_RangeRecord RangeRecord[1];
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} GSUB_CoverageFormat2;
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typedef struct {
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WORD SubstFormat; /* = 1 */
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WORD Coverage;
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WORD DeltaGlyphID;
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} GSUB_SingleSubstFormat1;
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typedef struct {
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WORD SubstFormat; /* = 2 */
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WORD Coverage;
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WORD GlyphCount;
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WORD Substitute[1];
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}GSUB_SingleSubstFormat2;
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#ifdef HAVE_CARBON_CARBON_H
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static char *find_cache_dir(void)
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{
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@ -2628,6 +2728,7 @@ static void free_font(GdiFont *font)
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for (i = 0; i < font->gmsize; i++)
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HeapFree(GetProcessHeap(),0,font->gm[i]);
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HeapFree(GetProcessHeap(), 0, font->gm);
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HeapFree(GetProcessHeap(), 0, font->GSUB_Table);
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HeapFree(GetProcessHeap(), 0, font);
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}
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@ -3321,6 +3422,17 @@ found:
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ret->strikeout = lf.lfStrikeOut ? 0xff : 0;
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create_child_font_list(ret);
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if (lf.lfFaceName[0]=='@') /* We need to try to load the GSUB table */
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{
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int length = WineEngGetFontData (ret, GSUB_TAG , 0, NULL, 0);
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if (length != GDI_ERROR)
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{
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ret->GSUB_Table = HeapAlloc(GetProcessHeap(),0,length);
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WineEngGetFontData(ret, GSUB_TAG , 0, ret->GSUB_Table, length);
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TRACE("Loaded GSUB table of %i bytes\n",length);
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}
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}
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TRACE("caching: gdiFont=%p hfont=%p\n", ret, hfont);
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list_add_head(&gdi_font_list, &ret->entry);
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@ -3679,8 +3791,249 @@ static BOOL codepage_sets_default_used(UINT codepage)
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}
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}
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/*
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* GSUB Table handling functions
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*/
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static INT GSUB_is_glyph_covered(LPCVOID table , UINT glyph)
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{
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const GSUB_CoverageFormat1* cf1;
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cf1 = (GSUB_CoverageFormat1*)table;
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if (GET_BE_WORD(cf1->CoverageFormat) == 1)
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{
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int count = GET_BE_WORD(cf1->GlyphCount);
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int i;
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TRACE("Coverage Format 1, %i glyphs\n",count);
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for (i = 0; i < count; i++)
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if (glyph == GET_BE_WORD(cf1->GlyphArray[i]))
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return i;
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return -1;
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}
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else if (GET_BE_WORD(cf1->CoverageFormat) == 2)
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{
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const GSUB_CoverageFormat2* cf2;
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int i;
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int count;
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cf2 = (GSUB_CoverageFormat2*)cf1;
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count = GET_BE_WORD(cf2->RangeCount);
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TRACE("Coverage Format 2, %i ranges\n",count);
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for (i = 0; i < count; i++)
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{
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if (glyph < GET_BE_WORD(cf2->RangeRecord[i].Start))
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return -1;
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if ((glyph >= GET_BE_WORD(cf2->RangeRecord[i].Start)) &&
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(glyph <= GET_BE_WORD(cf2->RangeRecord[i].End)))
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{
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return (GET_BE_WORD(cf2->RangeRecord[i].StartCoverageIndex) +
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glyph - GET_BE_WORD(cf2->RangeRecord[i].Start));
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}
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return -1;
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}
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}
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else
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ERR("Unknown CoverageFormat %i\n",GET_BE_WORD(cf1->CoverageFormat));
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return -1;
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}
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static const GSUB_Script* GSUB_get_script_table( const GSUB_Header* header, const char* tag)
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{
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const GSUB_ScriptList *script;
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const GSUB_Script *deflt = NULL;
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int i;
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script = (GSUB_ScriptList*)((LPBYTE)header + GET_BE_WORD(header->ScriptList));
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TRACE("%i scripts in this font\n",GET_BE_WORD(script->ScriptCount));
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for (i = 0; i < GET_BE_WORD(script->ScriptCount); i++)
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{
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const GSUB_Script *scr;
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int offset;
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offset = GET_BE_WORD(script->ScriptRecord[i].Script);
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scr = (GSUB_Script*)((LPBYTE)script + offset);
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if (strncmp(script->ScriptRecord[i].ScriptTag, tag,4)==0)
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return scr;
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if (strncmp(script->ScriptRecord[i].ScriptTag, "dflt",4)==0)
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deflt = scr;
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}
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return deflt;
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}
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static const GSUB_LangSys* GSUB_get_lang_table( const GSUB_Script* script, const char* tag)
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{
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int i;
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int offset;
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const GSUB_LangSys *Lang;
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TRACE("Deflang %x, LangCount %i\n",GET_BE_WORD(script->DefaultLangSys), GET_BE_WORD(script->LangSysCount));
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for (i = 0; i < GET_BE_WORD(script->LangSysCount) ; i++)
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{
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offset = GET_BE_WORD(script->LangSysRecord[i].LangSys);
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Lang = (GSUB_LangSys*)((LPBYTE)script + offset);
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if ( strncmp(script->LangSysRecord[i].LangSysTag,tag,4)==0)
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return Lang;
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}
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offset = GET_BE_WORD(script->DefaultLangSys);
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if (offset)
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{
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Lang = (GSUB_LangSys*)((LPBYTE)script + offset);
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return Lang;
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}
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return NULL;
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}
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static const GSUB_Feature * GSUB_get_feature(const GSUB_Header *header, const GSUB_LangSys *lang, const char* tag)
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{
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int i;
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const GSUB_FeatureList *feature;
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feature = (GSUB_FeatureList*)((LPBYTE)header + GET_BE_WORD(header->FeatureList));
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TRACE("%i features \n",GET_BE_WORD(lang->FeatureCount));
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for (i = 0; i < GET_BE_WORD(lang->FeatureCount); i++)
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{
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int index = GET_BE_WORD(lang->FeatureIndex[i]);
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if (strncmp(feature->FeatureRecord[index].FeatureTag,tag,4)==0)
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{
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const GSUB_Feature *feat;
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feat = (GSUB_Feature*)((LPBYTE)feature + GET_BE_WORD(feature->FeatureRecord[index].Feature));
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return feat;
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}
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}
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return NULL;
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}
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static FT_UInt GSUB_apply_feature(const GSUB_Header * header, const GSUB_Feature* feature, UINT glyph)
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{
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int i;
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int offset;
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const GSUB_LookupList *lookup;
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lookup = (GSUB_LookupList*)((LPBYTE)header + GET_BE_WORD(header->LookupList));
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TRACE("%i lookups\n", GET_BE_WORD(feature->LookupCount));
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for (i = 0; i < GET_BE_WORD(feature->LookupCount); i++)
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{
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const GSUB_LookupTable *look;
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offset = GET_BE_WORD(lookup->Lookup[GET_BE_WORD(feature->LookupListIndex[i])]);
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look = (GSUB_LookupTable*)((LPBYTE)lookup + offset);
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TRACE("type %i, flag %x, subtables %i\n",GET_BE_WORD(look->LookupType),GET_BE_WORD(look->LookupFlag),GET_BE_WORD(look->SubTableCount));
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if (GET_BE_WORD(look->LookupType) != 1)
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FIXME("We only handle SubType 1\n");
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else
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{
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int j;
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for (j = 0; j < GET_BE_WORD(look->SubTableCount); j++)
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{
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const GSUB_SingleSubstFormat1 *ssf1;
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offset = GET_BE_WORD(look->SubTable[j]);
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ssf1 = (GSUB_SingleSubstFormat1*)((LPBYTE)look+offset);
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if (GET_BE_WORD(ssf1->SubstFormat) == 1)
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{
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int offset = GET_BE_WORD(ssf1->Coverage);
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TRACE(" subtype 1, delta %i\n", GET_BE_WORD(ssf1->DeltaGlyphID));
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if (GSUB_is_glyph_covered((LPBYTE)ssf1+offset, glyph) != -1)
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{
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TRACE(" Glyph 0x%x ->",glyph);
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glyph += GET_BE_WORD(ssf1->DeltaGlyphID);
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TRACE(" 0x%x\n",glyph);
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}
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}
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else
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{
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const GSUB_SingleSubstFormat2 *ssf2;
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INT index;
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INT offset;
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ssf2 = (GSUB_SingleSubstFormat2 *)ssf1;
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offset = GET_BE_WORD(ssf1->Coverage);
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TRACE(" subtype 2, glyph count %i\n", GET_BE_WORD(ssf2->GlyphCount));
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index = GSUB_is_glyph_covered((LPBYTE)ssf2+offset, glyph);
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TRACE(" Coverage index %i\n",index);
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if (index != -1)
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{
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TRACE(" Glyph is 0x%x ->",glyph);
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glyph = GET_BE_WORD(ssf2->Substitute[index]);
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TRACE("0x%x\n",glyph);
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}
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}
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}
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}
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}
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return glyph;
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}
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static const char* get_opentype_script(const GdiFont *font)
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{
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/*
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* I am not sure if this is the correct way to generate our script tag
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*/
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switch (font->charset)
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{
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case ANSI_CHARSET: return "latn";
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case BALTIC_CHARSET: return "latn"; /* ?? */
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case CHINESEBIG5_CHARSET: return "hani";
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case EASTEUROPE_CHARSET: return "latn"; /* ?? */
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case GB2312_CHARSET: return "hani";
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case GREEK_CHARSET: return "grek";
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case HANGUL_CHARSET: return "hang";
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case RUSSIAN_CHARSET: return "cyrl";
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case SHIFTJIS_CHARSET: return "kana";
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case TURKISH_CHARSET: return "latn"; /* ?? */
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case VIETNAMESE_CHARSET: return "latn";
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case JOHAB_CHARSET: return "latn"; /* ?? */
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case ARABIC_CHARSET: return "arab";
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case HEBREW_CHARSET: return "hebr";
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case THAI_CHARSET: return "thai";
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default: return "latn";
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}
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}
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static FT_UInt get_GSUB_vert_glyph(const GdiFont *font, UINT glyph)
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{
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const GSUB_Header *header;
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const GSUB_Script *script;
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const GSUB_LangSys *language;
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const GSUB_Feature *feature;
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if (!font->GSUB_Table)
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return glyph;
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header = font->GSUB_Table;
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script = GSUB_get_script_table(header, get_opentype_script(font));
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if (!script)
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{
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TRACE("Script not found\n");
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return glyph;
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}
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language = GSUB_get_lang_table(script, "xxxx"); /* Need to get Lang tag */
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if (!language)
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{
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TRACE("Language not found\n");
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return glyph;
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}
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feature = GSUB_get_feature(header, language, "vrt2");
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if (!feature)
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feature = GSUB_get_feature(header, language, "vert");
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if (!feature)
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{
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TRACE("vrt2/vert feature not found\n");
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return glyph;
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}
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return GSUB_apply_feature(header, feature, glyph);
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}
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static FT_UInt get_glyph_index(const GdiFont *font, UINT glyph)
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{
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FT_UInt glyphId;
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if(font->ft_face->charmap->encoding == FT_ENCODING_NONE) {
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WCHAR wc = (WCHAR)glyph;
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BOOL default_used;
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@ -3696,12 +4049,13 @@ static FT_UInt get_glyph_index(const GdiFont *font, UINT glyph)
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else
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ret = pFT_Get_Char_Index(font->ft_face, (unsigned char)buf);
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TRACE("%04x (%02x) -> ret %d def_used %d\n", glyph, buf, ret, default_used);
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return ret;
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return get_GSUB_vert_glyph(font,ret);
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}
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if(font->charset == SYMBOL_CHARSET && glyph < 0x100)
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glyph = glyph + 0xf000;
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return pFT_Get_Char_Index(font->ft_face, glyph);
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glyphId = pFT_Get_Char_Index(font->ft_face, glyph);
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return get_GSUB_vert_glyph(font,glyphId);
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}
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/*************************************************************
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@ -3759,6 +4113,8 @@ DWORD WineEngGetGlyphOutline(GdiFont *incoming_font, UINT glyph, UINT format,
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float widthRatio = 1.0;
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FT_Matrix transMat = identityMat;
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BOOL needsTransform = FALSE;
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BOOL tategaki = (font->GSUB_Table != NULL);
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UINT original_index;
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TRACE("%p, %04x, %08x, %p, %08x, %p, %p\n", font, glyph, format, lpgm,
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@ -3767,27 +4123,33 @@ DWORD WineEngGetGlyphOutline(GdiFont *incoming_font, UINT glyph, UINT format,
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EnterCriticalSection( &freetype_cs );
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if(format & GGO_GLYPH_INDEX) {
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glyph_index = glyph;
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glyph_index = get_GSUB_vert_glyph(incoming_font,glyph);
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original_index = glyph;
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format &= ~GGO_GLYPH_INDEX;
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} else {
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get_glyph_index_linked(incoming_font, glyph, &font, &glyph_index);
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ft_face = font->ft_face;
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original_index = glyph_index;
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}
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if(glyph_index >= font->gmsize * GM_BLOCK_SIZE) {
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font->gmsize = (glyph_index / GM_BLOCK_SIZE + 1);
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/* tategaki never appears to happen to lower glyph index */
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if (glyph_index < TATEGAKI_LOWER_BOUND )
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tategaki = FALSE;
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if(original_index >= font->gmsize * GM_BLOCK_SIZE) {
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font->gmsize = (original_index / GM_BLOCK_SIZE + 1);
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font->gm = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, font->gm,
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font->gmsize * sizeof(GM*));
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} else {
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if(format == GGO_METRICS && font->gm[glyph_index / GM_BLOCK_SIZE] != NULL && FONT_GM(font,glyph_index)->init ) {
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*lpgm = FONT_GM(font,glyph_index)->gm;
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if(format == GGO_METRICS && font->gm[original_index / GM_BLOCK_SIZE] != NULL && FONT_GM(font,original_index)->init ) {
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*lpgm = FONT_GM(font,original_index)->gm;
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LeaveCriticalSection( &freetype_cs );
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return 1; /* FIXME */
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}
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}
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if (!font->gm[glyph_index / GM_BLOCK_SIZE])
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font->gm[glyph_index / GM_BLOCK_SIZE] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(GM) * GM_BLOCK_SIZE);
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if (!font->gm[original_index / GM_BLOCK_SIZE])
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font->gm[original_index / GM_BLOCK_SIZE] = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY, sizeof(GM) * GM_BLOCK_SIZE);
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if(font->orientation || (format != GGO_METRICS && format != GGO_BITMAP && format != WINE_GGO_GRAY16_BITMAP) || lpmat)
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||||
load_flags |= FT_LOAD_NO_BITMAP;
|
||||
@ -3841,7 +4203,7 @@ DWORD WineEngGetGlyphOutline(GdiFont *incoming_font, UINT glyph, UINT format,
|
||||
}
|
||||
|
||||
/* Rotation transform */
|
||||
if(font->orientation) {
|
||||
if(font->orientation && !tategaki) {
|
||||
FT_Matrix rotationMat;
|
||||
FT_Vector vecAngle;
|
||||
angle = FT_FixedFromFloat((float)font->orientation / 10.0);
|
||||
@ -3913,11 +4275,11 @@ DWORD WineEngGetGlyphOutline(GdiFont *incoming_font, UINT glyph, UINT format,
|
||||
|
||||
if(format == GGO_METRICS || format == GGO_BITMAP || format == WINE_GGO_GRAY16_BITMAP)
|
||||
{
|
||||
FONT_GM(font,glyph_index)->gm = *lpgm;
|
||||
FONT_GM(font,glyph_index)->adv = adv;
|
||||
FONT_GM(font,glyph_index)->lsb = lsb;
|
||||
FONT_GM(font,glyph_index)->bbx = bbx;
|
||||
FONT_GM(font,glyph_index)->init = TRUE;
|
||||
FONT_GM(font,original_index)->gm = *lpgm;
|
||||
FONT_GM(font,original_index)->adv = adv;
|
||||
FONT_GM(font,original_index)->lsb = lsb;
|
||||
FONT_GM(font,original_index)->bbx = bbx;
|
||||
FONT_GM(font,original_index)->init = TRUE;
|
||||
}
|
||||
|
||||
if(format == GGO_METRICS)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user