usp10: Rewrite ScriptStringXtoCP to make use of ScriptXtoCP.

This commit is contained in:
Aric Stewart 2011-03-18 12:22:42 -05:00 committed by Alexandre Julliard
parent d7ea24d56d
commit f026616c22

View file

@ -991,14 +991,11 @@ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrai
* ScriptStringXtoCP (USP10.@) * ScriptStringXtoCP (USP10.@)
* *
*/ */
HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing) HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
{ {
StringAnalysis* analysis = ssa; StringAnalysis* analysis = ssa;
int i; int i;
int j;
int runningX = 0;
int runningCp = 0; int runningCp = 0;
int width;
TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing); TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
@ -1022,24 +1019,33 @@ HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh,
for(i=0; i<analysis->numItems; i++) for(i=0; i<analysis->numItems; i++)
{ {
for(j=0; j<analysis->glyphs[i].numGlyphs; j++) int CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
/* initialize max extents for uninitialized runs */
if (analysis->glyphs[i].iMaxPosX == -1)
{ {
width = analysis->glyphs[i].piAdvance[j]; if (analysis->pItem[i].a.fRTL)
if(iX < (runningX + width)) ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
{ analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
*piCh = runningCp; &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
if((iX - runningX) > width/2) else
*piTrailing = TRUE; ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
else analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
*piTrailing = FALSE; &analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
if (analysis->pItem[i].a.fRTL)
*piTrailing = !*piTrailing;
return S_OK;
}
runningX += width;
runningCp++;
} }
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;
return S_OK;
} }
/* out of range */ /* out of range */