Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils.ui / src / org / simantics / utils / ui / gfx / RGBAdjustmentImageDescriptor.java

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 (file)
index 0000000..4ae69e6
--- /dev/null
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/RGBAdjustmentImageDescriptor.java
@@ -0,0 +1,91 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+/*\r
+ * 27.12.2006\r
+ */\r
+package org.simantics.utils.ui.gfx;\r
+\r
+import org.eclipse.jface.resource.ImageDescriptor;\r
+import org.eclipse.swt.SWT;\r
+import org.eclipse.swt.graphics.ImageData;\r
+import org.eclipse.swt.graphics.PaletteData;\r
+import org.eclipse.swt.graphics.RGB;\r
+\r
+/**\r
+ * RGBAdjustmentImageDescriptor\r
+ * @author Toni Kalajainen\r
+ */\r
+@SuppressWarnings("deprecation")\r
+public class RGBAdjustmentImageDescriptor extends ImageDescriptor {\r
+    \r
+    public static final PaletteData DEFAULT_PALETTEDATA = \r
+        new PaletteData(0x00ff0000, 0x0000ff00, 0x000000ff);\r
+    \r
+    ImageDescriptor desc;\r
+    int r,g,b;\r
+\r
+    public RGBAdjustmentImageDescriptor(ImageDescriptor image, int r, int g, int b)\r
+    {\r
+        desc = image;\r
+        this.r = r;\r
+        this.g = g;\r
+        this.b = b;        \r
+    }\r
+\r
+    @Override\r
+    public ImageData getImageData() {\r
+        PaletteData palette = DEFAULT_PALETTEDATA;        \r
+        ImageData orig = ImageCache.getInstance().getImage(desc).getImageData();\r
+        ImageData id = new ImageData(orig.width, orig.height, 24, palette);\r
+        id.setAlpha(0,0,0);\r
+        PaletteData origPalette = orig.palette;        \r
+        \r
+        ImageData mask = null;\r
+        if (orig.getTransparencyType()==SWT.TRANSPARENCY_MASK ||\r
+            orig.getTransparencyType()==SWT.TRANSPARENCY_PIXEL)        \r
+            mask = orig.getTransparencyMask();\r
+        \r
+        for (int x=0; x<orig.width; x++)\r
+            for (int y=0; y<orig.height; y++) {\r
+                RGB rgb = origPalette.getRGB( orig.getPixel(x, y) );\r
+                \r
+                int nr = Math.min(255, (rgb.red*r)>>8);\r
+                int ng = Math.min(255, (rgb.green*g)>>8);\r
+                int nb = Math.min(255, (rgb.blue*b)>>8);\r
+                \r
+                rgb = new RGB( nr, ng, nb );\r
+                id.setPixel(x, y, palette.getPixel(rgb));\r
+                int alpha;\r
+                if (mask==null) \r
+                    alpha = orig.getAlpha(x, y);\r
+                else\r
+                    alpha = (mask.getPixel(x, y)==1?255:0);\r
+                id.setAlpha(x, y, alpha);\r
+            }        \r
+        return id;\r
+    }\r
+    \r
+    @Override\r
+    public boolean equals(Object obj) {\r
+        if (obj==this) return true;\r
+        if (!(obj instanceof RGBAdjustmentImageDescriptor))\r
+            return false;\r
+        RGBAdjustmentImageDescriptor other = (RGBAdjustmentImageDescriptor) obj;\r
+        return other.desc.equals(desc) && other.r==r && other.g==g && other.b==b;        \r
+    }\r
+    \r
+    @Override\r
+    public int hashCode() {\r
+        return desc.hashCode() ^ r^g^b;\r
+    }\r
+    \r
+}\r