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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2014/08/01 18:16:07 UTC
svn commit: r1615159 -
/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShading.java
Author: tilman
Date: Fri Aug 1 16:16:07 2014
New Revision: 1615159
URL: http://svn.apache.org/r1615159
Log:
PDFBOX-1915: adjust out of range function result colors to the nearest valid value
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShading.java
Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShading.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShading.java?rev=1615159&r1=1615158&r2=1615159&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShading.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/pdmodel/graphics/shading/PDShading.java Fri Aug 1 16:16:07 2014
@@ -386,6 +386,20 @@ public abstract class PDShading implemen
returnValues[i] = newValue[0];
}
}
+ // From the PDF spec:
+ // "If the value returned by the function for a given colour component
+ // is out of range, it shall be adjusted to the nearest valid value."
+ for (int i = 0; i < returnValues.length; ++i)
+ {
+ if (returnValues[i] < 0)
+ {
+ returnValues[i] = 0;
+ }
+ else if (returnValues[i] > 1)
+ {
+ returnValues[i] = 1;
+ }
+ }
return returnValues;
}