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usp10: Display and handle bidi runs in the correct order in ScriptString functions.

This commit is contained in:
Aric Stewart 2011-08-29 06:49:40 -05:00 committed by Alexandre Julliard
parent 6dcae92ca1
commit a7071662f7
1 changed files with 39 additions and 19 deletions
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58
dlls/usp10/usp10.c
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@ -334,6 +334,7 @@ typedef struct {
StringGlyphs* glyphs;
SCRIPT_LOGATTR* logattrs;
SIZE* sz;
int* logical2visual;
} StringAnalysis;
static inline void *heap_alloc(SIZE_T size)
@ -910,6 +911,7 @@ HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
SCRIPT_CONTROL sControl;
SCRIPT_STATE sState;
int i, num_items = 255;
BYTE *BidiLevel;
TRACE("(%p,%p,%d,%d,%d,0x%x,%d,%p,%p,%p,%p,%p,%p)\n",
hdc, pString, cString, cGlyphs, iCharset, dwFlags, iReqWidth,
@ -965,6 +967,11 @@ HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
if (!(analysis->glyphs = heap_alloc_zero(sizeof(StringGlyphs) * analysis->numItems)))
goto error;
if (!(analysis->logical2visual = heap_alloc_zero(sizeof(int) * analysis->numItems)))
goto error;
if (!(BidiLevel = heap_alloc_zero(analysis->numItems)))
goto error;
for (i = 0; i < analysis->numItems; i++)
{
SCRIPT_CACHE *sc = (SCRIPT_CACHE *)&analysis->sc;
@ -994,8 +1001,13 @@ HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
analysis->glyphs[i].pGoffset = pGoffset;
analysis->glyphs[i].abc = abc;
analysis->glyphs[i].iMaxPosX= -1;
BidiLevel[i] = analysis->pItem[i].a.s.uBidiLevel;
}
ScriptLayout(analysis->numItems, BidiLevel, NULL, analysis->logical2visual);
heap_free(BidiLevel);
*pssa = analysis;
return S_OK;
@ -1003,6 +1015,7 @@ error:
heap_free(analysis->glyphs);
heap_free(analysis->logattrs);
heap_free(analysis->pItem);
heap_free(analysis->logical2visual);
heap_free(analysis->sc);
heap_free(analysis);
return hr;
@ -1064,24 +1077,23 @@ HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
uOptions |= ETO_GLYPH_INDEX;
analysis->pItem[0].a.fNoGlyphIndex = FALSE; /* say that we have glyphs */
TRACE("numItems %d\n", analysis->numItems);
/*
* Copy the string items into the output buffer
*/
TRACE("numItems %d\n", analysis->numItems);
cnt = 0;
for (item = 0; item < analysis->numItems; item++)
{
memcpy(&glyphs[cnt], analysis->glyphs[item].glyphs,
sizeof(WCHAR) * analysis->glyphs[item].numGlyphs);
memcpy(&glyphs[cnt], analysis->glyphs[analysis->logical2visual[item]].glyphs,
sizeof(WCHAR) * analysis->glyphs[analysis->logical2visual[item]].numGlyphs);
TRACE("Item %d, Glyphs %d ", item, analysis->glyphs[item].numGlyphs);
for (x = cnt; x < analysis->glyphs[item].numGlyphs + cnt; x ++)
TRACE("Item %d, Glyphs %d ", analysis->logical2visual[item], analysis->glyphs[analysis->logical2visual[item]].numGlyphs);
for (x = cnt; x < analysis->glyphs[analysis->logical2visual[item]].numGlyphs + cnt; x ++)
TRACE("%04x", glyphs[x]);
TRACE("\n");
cnt += analysis->glyphs[item].numGlyphs; /* point to the end of the copied text */
cnt += analysis->glyphs[analysis->logical2visual[item]].numGlyphs; /* point to the end of the copied text */
}
hr = ScriptTextOut(analysis->hdc, (SCRIPT_CACHE *)&analysis->sc, iX, iY,
@ -1102,7 +1114,7 @@ HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
*/
HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
{
int i;
int item;
int runningX = 0;
StringAnalysis* analysis = ssa;
@ -1117,10 +1129,13 @@ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrai
return E_INVALIDARG;
}
for(i=0; i<analysis->numItems; i++)
for(item=0; item<analysis->numItems; item++)
{
int CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
int CP, i;
int offset;
i = analysis->logical2visual[item];
CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
/* initialize max extents for uninitialized runs */
if (analysis->glyphs[i].iMaxPosX == -1)
{
@ -1134,13 +1149,13 @@ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrai
&analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
}
if (icp >= CP)
if (icp >= analysis->pItem[i+1].iCharPos || icp < analysis->pItem[i].iCharPos)
{
runningX += analysis->glyphs[i].iMaxPosX;
icp -= CP;
continue;
}
icp -= analysis->pItem[i].iCharPos;
ScriptCPtoX(icp, fTrailing, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
&analysis->pItem[i].a, &offset);
@ -1162,8 +1177,7 @@ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrai
HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
{
StringAnalysis* analysis = ssa;
int i;
int runningCp = 0;
int item;
TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
@ -1185,9 +1199,15 @@ HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh,
return S_OK;
}
for(i=0; i<analysis->numItems; i++)
for(item=0; item<analysis->numItems; item++)
{
int CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
int i;
int CP;
for (i = 0; i < analysis->numItems && analysis->logical2visual[i] != item; i++)
/* nothing */;
CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
/* initialize max extents for uninitialized runs */
if (analysis->glyphs[i].iMaxPosX == -1)
{
@ -1204,14 +1224,13 @@ HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh,
if (iX > analysis->glyphs[i].iMaxPosX)
{
iX -= analysis->glyphs[i].iMaxPosX;
runningCp += CP;
continue;
}
ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
&analysis->pItem[i].a, piCh, piTrailing);
*piCh += runningCp;
*piCh += analysis->pItem[i].iCharPos;
return S_OK;
}
@ -1264,6 +1283,7 @@ HRESULT WINAPI ScriptStringFree(SCRIPT_STRING_ANALYSIS *pssa)
heap_free(analysis->logattrs);
heap_free(analysis->sz);
heap_free(analysis->sc);
heap_free(analysis->logical2visual);
heap_free(analysis);
if (invalid) return E_INVALIDARG;