X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.utils.ui%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fgfx%2FRGBAdjustmentImageDescriptor.java;fp=bundles%2Forg.simantics.utils.ui%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fgfx%2FRGBAdjustmentImageDescriptor.java;h=4ae69e691f87747380d8327e5e6e6bf37f352ba2;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/RGBAdjustmentImageDescriptor.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/RGBAdjustmentImageDescriptor.java
new file mode 100644
index 000000000..4ae69e691
--- /dev/null
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/RGBAdjustmentImageDescriptor.java
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+/*
+ * 27.12.2006
+ */
+package org.simantics.utils.ui.gfx;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.PaletteData;
+import org.eclipse.swt.graphics.RGB;
+
+/**
+ * RGBAdjustmentImageDescriptor
+ * @author Toni Kalajainen
+ */
+@SuppressWarnings("deprecation")
+public class RGBAdjustmentImageDescriptor extends ImageDescriptor {
+    
+    public static final PaletteData DEFAULT_PALETTEDATA = 
+        new PaletteData(0x00ff0000, 0x0000ff00, 0x000000ff);
+    
+    ImageDescriptor desc;
+    int r,g,b;
+
+    public RGBAdjustmentImageDescriptor(ImageDescriptor image, int r, int g, int b)
+    {
+        desc = image;
+        this.r = r;
+        this.g = g;
+        this.b = b;        
+    }
+
+    @Override
+    public ImageData getImageData() {
+        PaletteData palette = DEFAULT_PALETTEDATA;        
+        ImageData orig = ImageCache.getInstance().getImage(desc).getImageData();
+        ImageData id = new ImageData(orig.width, orig.height, 24, palette);
+        id.setAlpha(0,0,0);
+        PaletteData origPalette = orig.palette;        
+        
+        ImageData mask = null;
+        if (orig.getTransparencyType()==SWT.TRANSPARENCY_MASK ||
+            orig.getTransparencyType()==SWT.TRANSPARENCY_PIXEL)        
+            mask = orig.getTransparencyMask();
+        
+        for (int x=0; x<orig.width; x++)
+            for (int y=0; y<orig.height; y++) {
+                RGB rgb = origPalette.getRGB( orig.getPixel(x, y) );
+                
+                int nr = Math.min(255, (rgb.red*r)>>8);
+                int ng = Math.min(255, (rgb.green*g)>>8);
+                int nb = Math.min(255, (rgb.blue*b)>>8);
+                
+                rgb = new RGB( nr, ng, nb );
+                id.setPixel(x, y, palette.getPixel(rgb));
+                int alpha;
+                if (mask==null) 
+                    alpha = orig.getAlpha(x, y);
+                else
+                    alpha = (mask.getPixel(x, y)==1?255:0);
+                id.setAlpha(x, y, alpha);
+            }        
+        return id;
+    }
+    
+    @Override
+    public boolean equals(Object obj) {
+        if (obj==this) return true;
+        if (!(obj instanceof RGBAdjustmentImageDescriptor))
+            return false;
+        RGBAdjustmentImageDescriptor other = (RGBAdjustmentImageDescriptor) obj;
+        return other.desc.equals(desc) && other.r==r && other.g==g && other.b==b;        
+    }
+    
+    @Override
+    public int hashCode() {
+        return desc.hashCode() ^ r^g^b;
+    }
+    
+}