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Vincent Wei
2019-03-15 17:13:47 +08:00
parent f8b0a89d90
commit 9a8d997f63
7 changed files with 238 additions and 36 deletions
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include/gdi.h
+23 -14
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@@ -8731,12 +8731,14 @@ MG_EXPORT void GUIAPI UBidiShape(Uint32 shaping_flags,
*/
#define BOV_LB_NOTALLOWED 0x0003
typedef Uint16 BreakOppo;
/** @} end of breaking_opportunities */
/**
* \fn int GUIAPI UStrGetBreaks(ScriptType writing_system,
* Uint8 ctr, Uint8 wbr, Uint8 lbp,
* Uchar32* ucs, int nr_ucs, Uint16** break_oppos);
* Uchar32* ucs, int nr_ucs, BreakOppo** break_oppos);
* \brief Calculate the breaking opportunities of a Uchar32 string under
* the specified rules and line breaking policy.
*
@@ -8794,7 +8796,7 @@ MG_EXPORT void GUIAPI UBidiShape(Uint32 shaping_flags,
*/
MG_EXPORT int GUIAPI UStrGetBreaks(ScriptType writing_system,
Uint8 ctr, Uint8 wbr, Uint8 lbp,
Uchar32* ucs, int nr_ucs, Uint16** break_oppos);
Uchar32* ucs, int nr_ucs, BreakOppo** break_oppos);
/** The function determines whether a character is alphanumeric. */
MG_EXPORT BOOL GUIAPI IsUCharAlnum(Uchar32 uc);
@@ -12276,7 +12278,7 @@ typedef struct _GLYPHPOS {
/**
* \fn int GUIAPI GetGlyphsExtentFromUChars(LOGFONT* logfont_upright,
* const Uchar32* uchars, int nr_uchars, const Uint16* break_oppos,
* const Uchar32* uchars, int nr_uchars, const BreakOppo* break_oppos,
* Uint32 render_flags, int x, int y,
* int letter_spacing, int word_spacing, int tab_size, int max_extent,
* SIZE* line_size, Glyph32* glyphs, GLYPHEXTINFO* glyph_ext_info,
@@ -12353,7 +12355,7 @@ typedef struct _GLYPHPOS {
* \sa UStrGetBreaks, DrawGlyphStringEx, GLYPHEXTINFO, glyph_render_flags
*/
MG_EXPORT int GUIAPI GetGlyphsExtentFromUChars(LOGFONT* logfont_upright,
const Achar32* uchars, int nr_uchars, const Uint16* break_oppos,
const Achar32* uchars, int nr_uchars, const BreakOppo* break_oppos,
Uint32 render_flags, int x, int y,
int letter_spacing, int word_spacing, int tab_size, int max_extent,
SIZE* line_size, Glyph32* glyphs, GLYPHEXTINFO* glyph_ext_info,
@@ -12369,18 +12371,23 @@ typedef struct _GLYPHRUNINFO GLYPHRUNINFO;
*
* This function also calculates the embedding levels and the
* breaking opportunities of the string.
*
* This function is useful for text in mixed scripts.
*/
MG_EXPORT GLYPHRUNINFO* GUIAPI CreateGlyphRunInfo(LOGFONT* logfont,
Uint32 render_flags, const Uchar32* ucs, int nr_ucs,
const char* lang_script_tag, ParagraphDir base_dir);
MG_EXPORT GLYPHRUNINFO* GUIAPI CreateGlyphRunInfo(
const char* lang_tag, const char* script_tag,
Uint8 ctr, Uint8 wbr, Uint8 lbp,
Uchar32* ucs, int nr_ucs, ParagraphDir base_dir);
/**
* Destroy the text run info object. It also free the embedde levels
* and the breaking opportunities.
* Reset the glyph run information for the next rendering under a
* new LOGFONT and the rendering flags.
*/
MG_EXPORT int GUIAPI DestroyGlyphRunInfo(GLYPHRUNINFO* run_info);
MG_EXPORT BOOL GUIAPI ResetGlyphRunInfo(GLYPHRUNINFO* run_info);
/**
* Destroy the glyph run info object. It also frees all data allocated
* for shapping and layouting the glyphs.
*/
MG_EXPORT BOOL GUIAPI DestroyGlyphRunInfo(GLYPHRUNINFO* run_info);
/**
* \fn BOOL GUIAPI GetShapedGlyphRunsBasic()
@@ -12429,7 +12436,8 @@ MG_EXPORT int GUIAPI DestroyGlyphRunInfo(GLYPHRUNINFO* run_info);
* \sa GetUCharsUntilParagraphBoundary, GetShapedGlyphsComplex,
* GetGlyphsExtentInfo, GetGlyphsPositionInfo, DrawShapedGlyphString
*/
MG_EXPORT BOOL GUIAPI ShapeGlyphRunsBaisc(GLYPHRUNINFO* run_info);
MG_EXPORT BOOL GUIAPI ShapeGlyphRunsBaisc(GLYPHRUNINFO* run_info,
LOGFONT* logfont, Uint32 render_flags);
/**
* \fn int GUIAPI GetShapedGlyphsComplex()
@@ -12497,7 +12505,8 @@ MG_EXPORT BOOL GUIAPI ShapeGlyphRunsBaisc(GLYPHRUNINFO* run_info);
* \sa GetUCharsUntilParagraphBoundary, GetShapedGlyphsBasic,
* GetGlyphsExtentInfo, GetGlyphsPositionInfo, DrawShapedGlyphString
*/
MG_EXPORT BOOL GUIAPI ShapeGlyphRunsComplex(GLYPHRUNINFO* run_info);
MG_EXPORT BOOL GUIAPI ShapeGlyphRunsComplex(GLYPHRUNINFO* run_info,
LOGFONT* logfont, Uint32 render_flags);
/**
* \fn int GUIAPI GetGlyphsExtentInfo()