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API description related to LAYOUTINFO

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Vincent Wei
2019-03-20 16:31:41 +08:00
parent 3571d88f3d
commit ee179e6995
5 changed files with 182 additions and 82 deletions
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include/gdi.h
+38 -4
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@@ -12201,6 +12201,12 @@ MG_EXPORT int GUIAPI UChars2AChars(LOGFONT* logfont, const Uchar32* ucs,
*/
#define GRF_OVERFLOW_WRAP_ANYWHERE 0x00200000
#define GRF_OVERFLOW_ELLIPSIZE_MASK 0x000F0000
#define GRF_OVERFLOW_ELLIPSIZE_NONE 0x00000000
#define GRF_OVERFLOW_ELLIPSIZE_START 0x00010000
#define GRF_OVERFLOW_ELLIPSIZE_MIDDLE 0x00020000
#define GRF_OVERFLOW_ELLIPSIZE_END 0x00030000
#define GRF_ALIGN_MASK 0x0000F000
/**
* Text content is aligned to the start edge of the line box.
@@ -12372,6 +12378,14 @@ typedef struct _GLYPHPOS {
* The y coordinate of the glyph position.
*/
int y;
/**
* The x offset of the glyph position.
*/
int x_off;
/**
* The y offset of the glyph position.
*/
int y_off;
/**
* Whether suppress the glyph.
*/
@@ -12586,8 +12600,7 @@ MG_EXPORT BOOL GUIAPI DestroyTextRunsInfo(TEXTRUNSINFO* run_info);
* \sa GetUCharsUntilParagraphBoundary, GetShapedGlyphsComplex,
* GetGlyphsExtentInfo, GetGlyphsPositionInfo, DrawShapedGlyphString
*/
MG_EXPORT BOOL GUIAPI ShapeTextRunsBaisc(TEXTRUNSINFO* run_info,
Uint32 render_flags);
MG_EXPORT BOOL GUIAPI InitBasicShapingEngine(TEXTRUNSINFO* run_info);
#ifdef _MGCOMPLEX_SCRIPTS
@@ -12657,11 +12670,32 @@ MG_EXPORT BOOL GUIAPI ShapeTextRunsBaisc(TEXTRUNSINFO* run_info,
* \sa GetUCharsUntilParagraphBoundary, GetShapedGlyphsBasic,
* GetGlyphsExtentInfo, GetGlyphsPositionInfo, DrawShapedGlyphString
*/
MG_EXPORT BOOL GUIAPI ShapeTextRunsComplex(TEXTRUNSINFO* run_info,
Uint32 render_flags);
MG_EXPORT BOOL GUIAPI InitComplexShapingEngine(TEXTRUNSINFO* run_info);
#endif /* _MGCOMPLEX_SCRIPTS */
typedef struct _LAYOUTINFO LAYOUTINFO;
typedef struct _LAYOUTLINE LAYOUTLINE;
MG_EXPORT LAYOUTINFO* GUIAPI CreateLayoutInfo(
const TEXTRUNSINFO* run_info, Uint32 render_flags,
const BreakOppo* break_oppos, BOOL persist_lines,
int letter_spacing, int word_spacing, int tab_size);
MG_EXPORT BOOL GUIAPI DestroyLayoutInfo(LAYOUTINFO* layout_info);
typedef void (*CB_GLYPH_LAID_OUT) (GHANDLE ctxt,
LOGFONT* lf, RGBCOLOR color, Glyph32 gv, const GLYPHPOS* pos);
MG_EXPORT int GUIAPI LayoutNextLine(LAYOUTINFO* layout_info,
int* x, int* y, int max_extent, SIZE* line_size,
CB_GLYPH_LAID_OUT cb_laid_out, GHANDLE ctxt);
MG_EXPORT int GUIAPI GetShapedGlyphsFittingLine(const TEXTRUNSINFO* run_info,
const BreakOppo* break_oppos,
int uc_start_index, int x, int y, Uint32 render_flags,
int letter_spacing, int word_spacing, int tab_size, int max_extent,
SIZE* line_size, GLYPHPOS** glyph_pos, int* nr_glyphs);
/**
* \fn int GUIAPI GetGlyphsExtentInfo()
*