BAM Converter: Trim filter should not produce empty frames

Fixes issues with fully transparent frames.
Argent77 · Jun 27, 2024 · dcd18c3 · dcd18c3
1 parent a0760da
commit dcd18c3
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/src/org/infinity/gui/converter/BamFilterTransformTrim.java b/src/org/infinity/gui/converter/BamFilterTransformTrim.java
@@ -310,8 +310,10 @@ private PseudoBamFrameEntry applyEffect(PseudoBamFrameEntry entry) {
 
  // calculating the properties of the resulting image
  int left = 0, right = width - 1, top = 0, bottom = height - 1;
- boolean edgeLeft = !cbEdges.get(Edge.Left).isSelected(), edgeRight = !cbEdges.get(Edge.Right).isSelected(),
- edgeTop = !cbEdges.get(Edge.Top).isSelected(), edgeBottom = !cbEdges.get(Edge.Bottom).isSelected();
+ boolean edgeLeft = !cbEdges.get(Edge.Left).isSelected();
+ boolean edgeRight = !cbEdges.get(Edge.Right).isSelected();
+ boolean edgeTop = !cbEdges.get(Edge.Top).isSelected();
+ boolean edgeBottom = !cbEdges.get(Edge.Bottom).isSelected();
  while ((left < right || top < bottom) && (!edgeLeft || !edgeRight || !edgeTop || !edgeBottom)) {
  int ofs, step;
  // checking top edge
@@ -404,6 +406,14 @@ private PseudoBamFrameEntry applyEffect(PseudoBamFrameEntry entry) {
  }
  }
 
+ // preventing empty frames
+ if (right < left) {
+ left = right = 0;
+ }
+ if (bottom < top) {
+ top = bottom = 0;
+ }
+
  // creating new image
  int margin = ((Integer) spinnerMargin.getValue());
  int dstX = 0;