svn commit: r1908703 - /pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java

[ti...@apache.org]

Author: tilman
Date: Sat Mar 25 04:37:03 2023
New Revision: 1908703

URL: http://svn.apache.org/viewvc?rev=1908703&view=rev
Log:
PDFBOX-5581: make getSubsampling() protected, as suggested by Liu

Modified:
    pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java

Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java?rev=1908703&r1=1908702&r2=1908703&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/rendering/PageDrawer.java Sat Mar 25 04:37:03 2023
@@ -1187,15 +1187,15 @@ public class PageDrawer extends PDFGraph
     }
 
     /**
-     * Calculated the subsampling frequency for a given PDImage based on the current transformation
-     * and its calculated transform
+     * Calculates the subsampling frequency for a given PDImage based on the current transformation
+     * and its calculated transform. Extend this method if you want to use your own strategy.
      *
      * @param pdImage PDImage to be drawn
      * @param at Transform that will be applied to the image when drawing
      * @return The rounded-down ratio of image pixels to drawn pixels. Returned value will always be
      * >=1.
      */
-    private int getSubsampling(PDImage pdImage, AffineTransform at)
+    protected int getSubsampling(PDImage pdImage, AffineTransform at)
     {
         // calculate subsampling according to the resulting image size
         double scale = Math.abs(at.getDeterminant() * xform.getDeterminant());