From 8e3912c0ae783ab77ac176c39d4e7b9ab738d352 Mon Sep 17 00:00:00 2001
From: iobyte <iobyte@30fe4595-0a0c-4342-8851-515496e4dcbd>
Date: Mon, 22 Jan 2024 18:23:57 +0000
Subject: [PATCH] trackeditor: speed up image has alpha check with cache

git-svn-id: https://svn.code.sf.net/p/speed-dreams/code/trunk@9269 30fe4595-0a0c-4342-8851-515496e4dcbd

Former-commit-id: 778e5a9e6cffa0d31d147e3d866abab792c36596
Former-commit-id: c2cd977dd27321dacfa314aed068e0e0f6af096b
---
 src/tools/trackeditor/gui/CheckDialog.java  | 11 +++++++++--
 src/tools/trackeditor/utils/Properties.java |  2 +-
 2 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/src/tools/trackeditor/gui/CheckDialog.java b/src/tools/trackeditor/gui/CheckDialog.java
index e7c1c2519..8cd2c0bab 100644
--- a/src/tools/trackeditor/gui/CheckDialog.java
+++ b/src/tools/trackeditor/gui/CheckDialog.java
@@ -12,8 +12,10 @@ import java.io.File;
 import java.io.FileReader;
 import java.nio.file.Path;
 import java.nio.file.Paths;
+import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
+import java.util.Map;
 import java.util.Set;
 import java.util.Vector;
 
@@ -55,6 +57,7 @@ public class CheckDialog extends JDialog
 	private Set<String> 		textures 		= new HashSet<String>();
 	private String				dataDirectory	= null;
 	private TrackData			trackData		= null;
+	private Map<String,Boolean>	imageHasAlpha	= new HashMap<String, Boolean>();
 
 	public CheckDialog(EditorFrame editorFrame)
 	{
@@ -1054,9 +1057,13 @@ public class CheckDialog extends JDialog
 					{
 						try
 						{
-							BufferedImage image = ImageIO.read(textureFile);
+							if (!imageHasAlpha.containsKey(textureFile.getAbsolutePath()))
+							{
+								BufferedImage image = ImageIO.read(textureFile);
+								imageHasAlpha.put(textureFile.getAbsolutePath(), image.getColorModel().hasAlpha());
+							}
 
-							if (!image.getColorModel().hasAlpha())
+							if (imageHasAlpha.get(textureFile.getAbsolutePath()))
 							{
 								doubleSided = true;
 							}
diff --git a/src/tools/trackeditor/utils/Properties.java b/src/tools/trackeditor/utils/Properties.java
index 3ab8442b6..87528688d 100644
--- a/src/tools/trackeditor/utils/Properties.java
+++ b/src/tools/trackeditor/utils/Properties.java
@@ -34,7 +34,7 @@ public  class Properties
 	private static Properties	instance				= new Properties();
 	private Vector<ActionListener>	propertiesListeners	= new Vector<ActionListener>();
 	public final String			title					= "sd2-trackeditor";
-	public final String			version					= "1.4.14";
+	public final String			version					= "1.4.15";
 	private String				path;
 
 	private double				imageScale				= 1;