Author: tilman
Date: Thu Oct 6 16:06:07 2016
New Revision: 1763621
URL: http://svn.apache.org/viewvc?rev=1763621&view=rev
Log:
PDFBOX-3523: disable high quality interpolation if image is scaled up by ctm
AND xform (temporary commit)
Modified:
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java
Modified:
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java
URL:
http://svn.apache.org/viewvc/pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java?rev=1763621&r1=1763620&r2=1763621&view=diff
==============================================================================
---
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java
(original)
+++
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java
Thu Oct 6 16:06:07 2016
@@ -766,8 +766,10 @@ public class PageDrawer extends PDFGraph
if (!pdImage.getInterpolate())
{
- boolean isScaledUp = pdImage.getWidth() <
Math.round(at.getScaleX()) ||
- pdImage.getHeight() <
Math.round(at.getScaleY());
+ Matrix m = new Matrix(xform);
+ m.concatenate(ctm);
+ boolean isScaledUp = pdImage.getWidth() <
Math.round(Math.abs(m.getScalingFactorX())) ||
+ pdImage.getHeight() <
Math.round(Math.abs(m.getScalingFactorY()));
// if the image is scaled down, we use smooth interpolation, eg
PDFBOX-2364
// only when scaled up do we use nearest neighbour, eg PDFBOX-2302
/ mori-cvpr01.pdf
