Attachment 88906 Details for Bug 68322 – patch for Splash::expandRow()

[patch] patch for Splash::expandRow()

poppler-git-8nov13.pat (text/plain), 1.17 KB, created by William Bader on 2013-11-08 18:40:01 UTC

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Creator: William Bader

Created: 2013-11-08 18:40:01 UTC

Size: 1.17 KB

patch

obsolete

>--- poppler-git-8nov13/splash/Splash.cc-	2013-11-08 18:32:39.933561374 +0100
>+++ poppler-git-8nov13/splash/Splash.cc	2013-11-08 19:02:27.807999199 +0100
>@@ -4816,13 +4816,26 @@
>   for (int i = 0; i < nComps; i++)
>     srcBuf[srcWidth*nComps + i] = srcBuf[(srcWidth-1)*nComps + i];
> 
>-  for (int x = 0; x < scaledWidth; x++) {
>-    xFrac = modf(xSrc, &xInt);
>-    p = (int)xInt;
>-    for (int c = 0; c < nComps; c++) {
>-      dstBuf[nComps*x + c] = srcBuf[nComps*p + c]*(1.0 - xFrac) + srcBuf[nComps*(p+1) + c]*xFrac;
>+  if (scaledWidth == 2*srcWidth) {
>+    for (p = 0; p < srcWidth; p++) {
>+      int x = 2*p;
>+      for (int c = 0; c < nComps; c++) {
>+        dstBuf[nComps*x + c] = srcBuf[nComps*p + c];
>+      }
>+      x++;
>+      for (int c = 0; c < nComps; c++) {
>+        dstBuf[nComps*x + c] = (srcBuf[nComps*p + c] + srcBuf[nComps*(p+1) + c]) / 2;
>+      }      
>+    }
>+  } else {
>+    for (int x = 0; x < scaledWidth; x++) {
>+      xFrac = modf(xSrc, &xInt);
>+      p = (int)xInt;
>+      for (int c = 0; c < nComps; c++) {
>+        dstBuf[nComps*x + c] = srcBuf[nComps*p + c]*(1.0 - xFrac) + srcBuf[nComps*(p+1) + c]*xFrac;
>+      }
>+      xSrc += xStep;
>     }
>-    xSrc += xStep;
>   }
> }
>

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Attachments on bug 68322: 84321 | 84335 | 88906 | 89118

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