-/*******************************************************************************\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
- * 22.12.2006\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
-\r
-/**\r
- * AlphaAdjustmentImageDescriptor multiplies alpha by (adjustment value/256)\r
- * <p>\r
- * Usage:\r
- * ImageDescriptor icon;\r
- * icon = AlphaAdjustmentImageDescriptor.adjustAlpha(icon, 128);\r
- * \r
- * @author Toni Kalajainen\r
- */\r
-public class AlphaAdjustmentImageDescriptor extends ImageDescriptor {\r
- \r
- public static ImageDescriptor adjustAlpha(ImageDescriptor desc, int alphaAdjustment)\r
- {\r
- if (alphaAdjustment==256) return desc;\r
- return new AlphaAdjustmentImageDescriptor(desc, alphaAdjustment);\r
- }\r
- \r
- int alphaAdjustment;\r
- ImageDescriptor desc;\r
- \r
- /**\r
- * \r
- * @param original\r
- * @param alphaAdjustment 0..256\r
- */\r
- public AlphaAdjustmentImageDescriptor(ImageDescriptor original, int alphaAdjustment)\r
- {\r
- assert(alphaAdjustment>=0 && alphaAdjustment<=256);\r
- assert(original!=null);\r
- this.alphaAdjustment = alphaAdjustment;\r
- this.desc = original;\r
- }\r
-\r
- @SuppressWarnings("deprecation")\r
- @Override\r
- public ImageData getImageData() {\r
- ImageData orig = ImageCache.getInstance().getImage(desc).getImageData();\r
- ImageData id = new ImageData(orig.width, orig.height, orig.depth, orig.palette);\r
- id.setAlpha(0,0,0);\r
- \r
- if (orig.getTransparencyType()==SWT.TRANSPARENCY_ALPHA ||\r
- orig.getTransparencyType()==SWT.TRANSPARENCY_NONE)\r
- {\r
- for (int x=0; x<orig.width; x++)\r
- for (int y=0; y<orig.height; y++) {\r
- id.setPixel(x, y, orig.getPixel(x, y));\r
- int alpha = (orig.getAlpha(x, y) * alphaAdjustment) >> 8;\r
- id.setAlpha(x, y, alpha);\r
- }\r
- } else\r
- if (orig.getTransparencyType()==SWT.TRANSPARENCY_MASK ||\r
- orig.getTransparencyType()==SWT.TRANSPARENCY_PIXEL) {\r
- ImageData mask = orig.getTransparencyMask();\r
- for (int x=0; x<orig.width; x++)\r
- for (int y=0; y<orig.height; y++) {\r
- id.setPixel(x, y, orig.getPixel(x, y));\r
- int alpha = (mask.getPixel(x, y)==1?alphaAdjustment:0);\r
- id.setAlpha(x, y, alpha);\r
- }\r
- }\r
- \r
- return id;\r
- }\r
- \r
- @Override\r
- public boolean equals(Object obj) {\r
- if (!(obj instanceof AlphaAdjustmentImageDescriptor))\r
- return false;\r
- AlphaAdjustmentImageDescriptor other = (AlphaAdjustmentImageDescriptor) obj;\r
- if (!other.desc.equals(desc))\r
- return false;\r
- if (other.alphaAdjustment!=alphaAdjustment)\r
- return false;\r
- return true;\r
- }\r
- \r
- @Override\r
- public int hashCode() {\r
- return desc.hashCode() ^ 0x58fb2 ^ alphaAdjustment;\r
- }\r
-\r
-}\r
+/*******************************************************************************
+ * 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
+ *******************************************************************************/
+/*
+ * 22.12.2006
+ */
+package org.simantics.utils.ui.gfx;
+
+import org.eclipse.jface.resource.ImageDescriptor;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.ImageData;
+
+/**
+ * AlphaAdjustmentImageDescriptor multiplies alpha by (adjustment value/256)
+ * <p>
+ * Usage:
+ * ImageDescriptor icon;
+ * icon = AlphaAdjustmentImageDescriptor.adjustAlpha(icon, 128);
+ *
+ * @author Toni Kalajainen
+ */
+public class AlphaAdjustmentImageDescriptor extends ImageDescriptor {
+
+ public static ImageDescriptor adjustAlpha(ImageDescriptor desc, int alphaAdjustment)
+ {
+ if (alphaAdjustment==256) return desc;
+ return new AlphaAdjustmentImageDescriptor(desc, alphaAdjustment);
+ }
+
+ int alphaAdjustment;
+ ImageDescriptor desc;
+
+ /**
+ *
+ * @param original
+ * @param alphaAdjustment 0..256
+ */
+ public AlphaAdjustmentImageDescriptor(ImageDescriptor original, int alphaAdjustment)
+ {
+ assert(alphaAdjustment>=0 && alphaAdjustment<=256);
+ assert(original!=null);
+ this.alphaAdjustment = alphaAdjustment;
+ this.desc = original;
+ }
+
+ @SuppressWarnings("deprecation")
+ @Override
+ public ImageData getImageData() {
+ ImageData orig = ImageCache.getInstance().getImage(desc).getImageData();
+ ImageData id = new ImageData(orig.width, orig.height, orig.depth, orig.palette);
+ id.setAlpha(0,0,0);
+
+ if (orig.getTransparencyType()==SWT.TRANSPARENCY_ALPHA ||
+ orig.getTransparencyType()==SWT.TRANSPARENCY_NONE)
+ {
+ for (int x=0; x<orig.width; x++)
+ for (int y=0; y<orig.height; y++) {
+ id.setPixel(x, y, orig.getPixel(x, y));
+ int alpha = (orig.getAlpha(x, y) * alphaAdjustment) >> 8;
+ id.setAlpha(x, y, alpha);
+ }
+ } else
+ if (orig.getTransparencyType()==SWT.TRANSPARENCY_MASK ||
+ orig.getTransparencyType()==SWT.TRANSPARENCY_PIXEL) {
+ ImageData mask = orig.getTransparencyMask();
+ for (int x=0; x<orig.width; x++)
+ for (int y=0; y<orig.height; y++) {
+ id.setPixel(x, y, orig.getPixel(x, y));
+ int alpha = (mask.getPixel(x, y)==1?alphaAdjustment:0);
+ id.setAlpha(x, y, alpha);
+ }
+ }
+
+ return id;
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (!(obj instanceof AlphaAdjustmentImageDescriptor))
+ return false;
+ AlphaAdjustmentImageDescriptor other = (AlphaAdjustmentImageDescriptor) obj;
+ if (!other.desc.equals(desc))
+ return false;
+ if (other.alphaAdjustment!=alphaAdjustment)
+ return false;
+ return true;
+ }
+
+ @Override
+ public int hashCode() {
+ return desc.hashCode() ^ 0x58fb2 ^ alphaAdjustment;
+ }
+
+}
Code Review / simantics / platform.git / blobdiff