Mirrors_UI_SDK/MiniGUI
1
0
Fork 0
mirror of https://github.com/VincentWei/MiniGUI.git synced 2026-09-26 20:45:36 +08:00
Code Issues Actions Packages Projects Releases Wiki Activity

tune BIDILogGlyphs2VisGlyphsEx and BIDILogGlyphs2VisGlyphs

Browse Source
This commit is contained in:
Vincent Wei
2019-02-17 12:56:35 +08:00
parent 93aae6782e
commit e3f2cc22ec
4 changed files with 164 additions and 131 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/gdi.h
+49 -49
View File
@@ -11104,64 +11104,64 @@ MG_EXPORT int GUIAPI BIDIGetTextVisualGlyphs (LOGFONT* log_font,
const char* text, int text_len, Glyph32** glyphs,
GLYPHMAPINFO** glyphs_map);
/** \fn BOOL GUIAPI BIDILogGlyphs2VisGlyphsEx (LOGFONT* log_font,
* Glyph32* glyphs, int nr_glyphs, GLYPHMAPINFO* glyph_map, int pel)
* \brief Reorder the specified logical glyph string to the visual glyph string.
/*
* \var typedef void (*CB_REVERSE_EXTRA) (void* extra, int len, int pos)
* \brief The prototype of the user defined function to reverse an array.
*
* This function reorders the logical glyph string in place to a visual
* glyphs string. If \a index_map is not NULL, it also returns
* the index of logical glyphs.
* The function reverse an array pointed by \a extra from the position
* specified by \a pos for the length specified by \a len.
*
* \sa BIDILogGlyphs2VisGlyphsEx
*/
typedef void (*CB_REVERSE_EXTRA) (void* extra, int len, int pos);
/** \fn BOOL GUIAPI BIDILogGlyphs2VisGlyphsEx (LOGFONT* log_font,
* Glyph32* glyphs, int nr_glyphs, int pel,
* void* extra, CB_REVERSE_EXTRA cb_reverse_extra)
* \brief Reorder the specified logical glyph string in visual order and
* reorder an extra array to reflect the visule order of the glyphs.
*
* This function reorders the logical glyph string in place to visual order.
* If \a extra and \a cb_reverse_extra are both not NULL, it also reorders
* the array pointed by \a extra by calling the callback function
* \a cb_reverse_extra.
*
* \param log_font The logical font.
* \param glyphs The pointer to the glyph string.
* \param nr_glyphs The length of the glyph string.
* \param pel The paragraph embedding level, can be one of the following values:
* - 0: Level 0 (left to right)
* - 1: Level 1 (right to left)
* - others: Determine according to the heuristic given in
* steps P2 and P3 of the Unicode bidirectional algorithm.
* \param extra The pointer to the extra array to reorder; can be NULL.
* \param cb_reverse_extra The callback function to reverse the extra array.
*
* \return TRUE on success, otherwise FALSE.
*/
MG_EXPORT BOOL GUIAPI BIDILogGlyphs2VisGlyphsEx (LOGFONT* log_font,
Glyph32* glyphs, int nr_glyphs, int pel,
void* extra, CB_REVERSE_EXTRA cb_reverse_extra);
/** \fn BOOL GUIAPI BIDILogGlyphs2VisGlyphs (LOGFONT* log_font,
* Glyph32* glyphs, int nr_glyphs, GLYPHMAPINFO* glyphs_map)
* \brief Reorder the specified logical glyph string in visual order and
* reorder glyph map if specified.
*
* This function reorders the logical glyph string in place to visual order.
* If \a glyphs_map is not NULL, it also reorders
* the map to reflect the visual order.
*
* \param log_font The logical font.
* \param glyphs The pointer to the glyph string.
* \param nr_glyphs The length of the glyph string.
* \param glyphs_map The position map returned by \a BIDIGetTextLogicalGlyphs;
* can be NULL.
* \param pel The paragraph embedding level, can be one of the following values:
* - 0: Level 0 (left to right)
* - 1: Level 1 (right to left)
* - others: Determine according to the heuristic given in
* steps P2 and P3 of the Unicode bidirectional algorithm.
*
* \return TRUE on success, otherwise FALSE.
* \return The pointer to the visual glyphs; NULL when error.
*/
MG_EXPORT BOOL GUIAPI BIDILogGlyphs2VisGlyphsEx (LOGFONT* log_font,
Glyph32* glyphs, int nr_glyphs, GLYPHMAPINFO* glyph_map, int pel);
/** obsolete; use BIDILogGlyphs2VisGlyphsEx instead */
static inline Glyph32* BIDILogGlyphs2VisGlyphs (LOGFONT* log_font,
Glyph32* glyphs, int nr_glyphs, GLYPHMAPINFO* glyph_map)
{
if (BIDILogGlyphs2VisGlyphsEx (log_font, glyphs, nr_glyphs, glyph_map, -1))
return glyphs;
return NULL;
}
/** \fn BOOL GUIAPI BIDIGetVisualGlyphIndexMap (LOGFONT* log_font,
* Glyph32* glyphs, int nr_glyphs, int** index_map, int pel)
* \brief Reorder the specified logical glyph string to the visual glyph string.
*
* This function reorders the logical glyph string in place to a visual
* glyphs string. If \a index_map is not NULL, it also returns
* the index of logical glyphs.
*
* \param log_font The logical font.
* \param glyphs The pointer to the glyph string.
* \param nr_glyphs The length of the glyph string.
* \param index_map The pointer to the position map from the logical glyph string to
* the visual glyph string. If *index_map is NULL, the function will
* try to allocate a new one. The caller should free it when it is not useful.
* \param pel The paragraph embedding level, can be one of the following values:
* - 0: Level 0 (left to right)
* - 1: Level 1 (right to left)
* - others: Determine according to the heuristic given in
* steps P2 and P3 of the Unicode bidirectional algorithm.
*
* \return TRUE on success, otherwise FALSE.
*/
MG_EXPORT BOOL GUIAPI BIDIGetVisualGlyphIndexMap (LOGFONT* log_font,
Glyph32* glyphs, int nr_glyphs, int** index_map, int pel);
MG_EXPORT Glyph32* GUIAPI BIDILogGlyphs2VisGlyphs (LOGFONT* log_font,
Glyph32* glyphs, int nr_glyphs, GLYPHMAPINFO* glyphs_map);
/**
* \fn void GUIAPI BIDIGetLogicalEmbedLevelsEx (LOGFONT* log_font, \