From 2158be80fe29390ca627fd40e85db5759cd77e89 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jindra=20Pet=C5=99=C3=ADk?= <jindra.petrik@gmail.com>
Date: Sun, 21 Jul 2024 17:56:51 +0200
Subject: [PATCH] Fixed #2253 Drawing 0,0 grid in transform tool on Linux
 causing sun internal errors

---
 CHANGELOG.md                                  |  2 ++
 .../decompiler/flash/gui/ImagePanel.java      | 22 +++++++++++++++++--
 2 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index f939bf754..b1f398769 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,6 +45,7 @@ All notable changes to this project will be documented in this file.
 - [PR191] Saving class name during AS3 P-code class trait editation
 - [#2231] AS3 coercion to String as convert
 - [#2257] Shape SVG Importer - Linear gradient matrix
+- [#2253] Drawing 0,0 grid in transform tool on Linux causing sun internal errors
 
 ### Changed
 - [#2185] MochiCrypt no longer offered for auto decrypt, user needs to choose variant from "Use unpacker" menu
@@ -3416,6 +3417,7 @@ Major version of SWF to XML export changed to 2.
 [#2224]: https://www.free-decompiler.com/flash/issues/2224
 [#2231]: https://www.free-decompiler.com/flash/issues/2231
 [#2257]: https://www.free-decompiler.com/flash/issues/2257
+[#2253]: https://www.free-decompiler.com/flash/issues/2253
 [#2206]: https://www.free-decompiler.com/flash/issues/2206
 [#2100]: https://www.free-decompiler.com/flash/issues/2100
 [#2123]: https://www.free-decompiler.com/flash/issues/2123
diff --git a/src/com/jpexs/decompiler/flash/gui/ImagePanel.java b/src/com/jpexs/decompiler/flash/gui/ImagePanel.java
index 21d5da832..6aed03c12 100644
--- a/src/com/jpexs/decompiler/flash/gui/ImagePanel.java
+++ b/src/com/jpexs/decompiler/flash/gui/ImagePanel.java
@@ -754,6 +754,8 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
         private Point2D dragStart = null;
 
         private Point2D selectionEnd = null;
+        
+        private boolean canInvert = true;
 
         private Rectangle2D getSelectionRect() {
             Point2D selectStart = dragStart;
@@ -936,7 +938,11 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
                             RECT timRect = timelined.getRect();
                             axisX = (int) Math.round(offsetPoint.getX());
                             axisY = (int) Math.round(offsetPoint.getY());
-                            g2.setComposite(BlendComposite.Invert);
+                            if (canInvert) {                            
+                                g2.setComposite(BlendComposite.Invert);
+                            } else {
+                                g2.setComposite(AlphaComposite.SrcOver);
+                            }
                             g2.setPaint(new Color(255, 255, 255, 128));
                             float dp;
                             dp = -(float) offsetPoint.getY();
@@ -963,11 +969,23 @@ public final class ImagePanel extends JPanel implements MediaDisplay {
                         Rectangle2D selectionRect = getSelectionRect();
                         if (selectionRect != null) {
                             g2.setStroke(new BasicStroke(1, BasicStroke.CAP_SQUARE, BasicStroke.JOIN_ROUND, 0, new float[]{2, 2}, 0f));
-                            g2.setComposite(BlendComposite.Invert);
+                            if (canInvert) {
+                                g2.setComposite(BlendComposite.Invert);
+                            } else {
+                                g2.setComposite(AlphaComposite.SrcOver);
+                            }
                             g2.draw(new Rectangle2D.Double(selectionRect.getX(), selectionRect.getY(), selectionRect.getWidth(), selectionRect.getHeight()));
                             g2.setComposite(AlphaComposite.SrcOver);
                         }
                     }
+                } catch (InternalError ie) {
+                    //On some devices like Linux X11 - BlendComposite.Invert is not available
+                    //since sun.java2d.xr.XRSurfaceData.getRaster(XRSurfaceData.java:72) is not implemented
+                    // (tried in WSL)
+                    if (canInvert) {
+                        canInvert = false;
+                        continue;
+                    }
                 } finally {
                     if (g2 != null) {
                         g2.dispose();