GH-314 make adjustments for Tm reset

pcorless · Feb 10, 2024 · d709980 · d709980
1 parent 3430caa
commit d709980
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/...t/src/main/java/org/icepdf/core/util/updater/callbacks/ContentStreamRedactorCallback.java b/...t/src/main/java/org/icepdf/core/util/updater/callbacks/ContentStreamRedactorCallback.java
@@ -114,12 +114,14 @@ public void setLastTokenPosition(int position, Integer token) throws IOException
                     (position - lastTokenPosition));
             lastTokenPosition = position;
         } else if (token == T_STAR || token == TD || token == Td) {
+            // relative operators, so adjust for the redacted content.
             writeLastTjOffset();
             lastTjOffset = 0;
             burnedContentOutputStream.write(originalContentStreamBytes, lastTokenPosition,
                     (position - lastTokenPosition));
             lastTokenPosition = position;
-        } else if (token == BT) {
+        } else if (token == BT || token == Tm) {
+            // hard reset, new coordinate system
             lastTjOffset = 0;
         }
         lastTextPosition = position;
@@ -137,7 +139,7 @@ private void writeLastTjOffset() throws IOException {
     }
 
     private boolean isTextLayoutToken(int token) {
-        return token == Tj || token == TJ || token == Td || token == TD || token == T_STAR || token == BT;
+        return token == Tj || token == TJ || token == Td || token == TD || token == Tm || token == T_STAR || token == BT;
     }
 
     /**