svn commit: r1929609 - pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/contentstream

[tilman]

Author: tilman
Date: Sun Nov  9 09:49:20 2025
New Revision: 1929609

Log:
PDFBOX-6095: avoid empty transformedBBox

Modified:
   
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java

Modified: 
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java
==============================================================================
--- 
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java
       Sun Nov  9 08:30:17 2025        (r1929608)
+++ 
pdfbox/branches/2.0/pdfbox/src/main/java/org/apache/pdfbox/contentstream/PDFStreamEngine.java
       Sun Nov  9 09:49:20 2025        (r1929609)
@@ -323,17 +323,19 @@ public abstract class PDFStreamEngine
         PDRectangle bbox = appearance.getBBox();
         PDRectangle rect = annotation.getRectangle();
 
-        // zero-sized rectangles are not valid
+        // PDFBOX-4783: zero-sized rectangles are not valid
         if (rect != null && rect.getWidth() > 0 && rect.getHeight() > 0 &&
             bbox != null && bbox.getWidth() > 0 && bbox.getHeight() > 0)
         {
-            PDResources parent = pushResources(appearance);
-            Deque<PDGraphicsState> savedStack = saveGraphicsStack();
-
             Matrix matrix = appearance.getMatrix();
 
             // transformed appearance box  fixme: may be an arbitrary shape
             Rectangle2D transformedBox = bbox.transform(matrix).getBounds2D();
+            if (transformedBox.isEmpty())
+            {
+                // PDFBOX-6095: zero-sized rectangles are not valid
+                return;
+            }
 
             // compute a matrix which scales and translates the transformed 
appearance box to align
             // with the edges of the annotation's rectangle
@@ -350,6 +352,9 @@ public abstract class PDFStreamEngine
             // filled fields / annotations that have a matrix in the 
appearance stream, see PDFBOX-3083
             Matrix aa = Matrix.concatenate(a, matrix);
 
+            PDResources parent = pushResources(appearance);
+            Deque<PDGraphicsState> savedStack = saveGraphicsStack();
+
             // make matrix AA the CTM
             getGraphicsState().setCurrentTransformationMatrix(aa);