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usp10: Rewrite ScriptStringCPtoX to make use of ScriptCPtoX.

This commit is contained in:
Aric Stewart 2011-03-18 12:22:31 -05:00 committed by Alexandre Julliard
parent 289005a79f
commit d7ea24d56d
1 changed files with 30 additions and 20 deletions
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50
dlls/usp10/usp10.c
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@ -202,6 +202,7 @@ typedef struct {
SCRIPT_VISATTR* psva;
GOFFSET* pGoffset;
ABC* abc;
int iMaxPosX;
} StringGlyphs;
typedef struct {
@ -824,6 +825,7 @@ HRESULT WINAPI ScriptStringAnalyse(HDC hdc, const void *pString, int cString,
analysis->glyphs[i].psva = psva;
analysis->glyphs[i].pGoffset = pGoffset;
analysis->glyphs[i].abc = abc;
analysis->glyphs[i].iMaxPosX= -1;
}
*pssa = analysis;
@ -932,11 +934,9 @@ HRESULT WINAPI ScriptStringOut(SCRIPT_STRING_ANALYSIS ssa,
*/
HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrailing, int* pX)
{
int i, j;
int i;
int runningX = 0;
int runningCp = 0;
StringAnalysis* analysis = ssa;
BOOL itemTrailing;
TRACE("(%p), %d, %d, (%p)\n", ssa, icp, fTrailing, pX);
@ -951,25 +951,35 @@ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrai
for(i=0; i<analysis->numItems; i++)
{
if (analysis->pItem[i].a.fRTL)
itemTrailing = !fTrailing;
else
itemTrailing = fTrailing;
for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
int CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
int offset;
/* initialize max extents for uninitialized runs */
if (analysis->glyphs[i].iMaxPosX == -1)
{
if(runningCp == icp && itemTrailing == FALSE)
{
*pX = runningX;
return S_OK;
}
runningX += analysis->glyphs[i].piAdvance[j];
if(runningCp == icp && itemTrailing == TRUE)
{
*pX = runningX;
return S_OK;
}
runningCp++;
if (analysis->pItem[i].a.fRTL)
ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
&analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
else
ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
&analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
}
if (icp >= CP)
{
runningX += analysis->glyphs[i].iMaxPosX;
icp -= CP;
continue;
}
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);
runningX += offset;
*pX = runningX;
return S_OK;
}
/* icp out of range */