usp10: Rewrite ScriptStringXtoCP to make use of ScriptXtoCP.
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@ -991,14 +991,11 @@ HRESULT WINAPI ScriptStringCPtoX(SCRIPT_STRING_ANALYSIS ssa, int icp, BOOL fTrai
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* ScriptStringXtoCP (USP10.@)
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*
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*/
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HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
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HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh, int* piTrailing)
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{
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StringAnalysis* analysis = ssa;
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int i;
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int j;
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int runningX = 0;
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int runningCp = 0;
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int width;
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TRACE("(%p), %d, (%p), (%p)\n", ssa, iX, piCh, piTrailing);
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@ -1022,24 +1019,33 @@ HRESULT WINAPI ScriptStringXtoCP(SCRIPT_STRING_ANALYSIS ssa, int iX, int* piCh,
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for(i=0; i<analysis->numItems; i++)
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{
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for(j=0; j<analysis->glyphs[i].numGlyphs; j++)
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int CP = analysis->pItem[i+1].iCharPos - analysis->pItem[i].iCharPos;
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/* initialize max extents for uninitialized runs */
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if (analysis->glyphs[i].iMaxPosX == -1)
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{
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width = analysis->glyphs[i].piAdvance[j];
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if(iX < (runningX + width))
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{
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*piCh = runningCp;
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if((iX - runningX) > width/2)
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*piTrailing = TRUE;
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else
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*piTrailing = FALSE;
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if (analysis->pItem[i].a.fRTL)
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*piTrailing = !*piTrailing;
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return S_OK;
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}
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runningX += width;
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runningCp++;
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if (analysis->pItem[i].a.fRTL)
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ScriptCPtoX(0, FALSE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
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analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
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&analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
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else
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ScriptCPtoX(CP, TRUE, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
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analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
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&analysis->pItem[i].a, &analysis->glyphs[i].iMaxPosX);
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}
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if (iX > analysis->glyphs[i].iMaxPosX)
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{
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iX -= analysis->glyphs[i].iMaxPosX;
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runningCp += CP;
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continue;
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}
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ScriptXtoCP(iX, CP, analysis->glyphs[i].numGlyphs, analysis->glyphs[i].pwLogClust,
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analysis->glyphs[i].psva, analysis->glyphs[i].piAdvance,
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&analysis->pItem[i].a, piCh, piTrailing);
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*piCh += runningCp;
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return S_OK;
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}
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/* out of range */
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