-/*******************************************************************************\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
-package org.simantics.g2d.chassis;\r
-\r
-import java.awt.Color;\r
-import java.awt.Graphics2D;\r
-import java.awt.Image;\r
-import java.awt.geom.Point2D;\r
-import java.awt.geom.Rectangle2D;\r
-\r
-import org.simantics.g2d.canvas.ICanvasContext;\r
-import org.simantics.g2d.canvas.IContentContext;\r
-import org.simantics.g2d.canvas.IContentContext.IContentListener;\r
-import org.simantics.scenegraph.g2d.G2DRenderingHints;\r
-\r
-/**\r
- * Renders canvas to an image.\r
- * \r
- * @author Toni Kalajainen\r
- */\r
-public class ImageChassis extends AbstractChassis {\r
-\r
- public static final Color WIPE_COLOR = new Color(.0f, 0.f, 0.f, .0f);\r
-\r
- private Color backgroundColor;\r
- \r
- Image image;\r
-\r
- boolean dirty = false;\r
-\r
- public ImageChassis(Image image) {\r
- this.image = image;\r
- }\r
- \r
- public void setBackgroundColor(Color color) {\r
- backgroundColor = color;\r
- }\r
-\r
- public Point2D getSize() {\r
- return new Point2D.Double(image.getWidth(null), image.getHeight(null));\r
- }\r
-\r
- public Rectangle2D getBounds() {\r
- return new Rectangle2D.Double(0,0,image.getWidth(null), image.getHeight(null));\r
- }\r
-\r
- @Override\r
- public void setCanvasContext(ICanvasContext canvasContext) {\r
- super.setCanvasContext(canvasContext);\r
-\r
- canvasContext.getContentContext().addPaintableContextListener(new IContentListener() {\r
- @Override\r
- public void onDirty(IContentContext sender) {\r
- if (dirty) return;\r
- dirty = true;\r
- draw();\r
- }});\r
-\r
- draw();\r
- }\r
-\r
- public void draw() {\r
- if (canvasContext.isLocked())\r
- throw new IllegalStateException("cannot draw image, canvas context is locked: " + canvasContext);\r
-\r
- dirty = false;\r
- Graphics2D g2d = (Graphics2D) image.getGraphics();\r
- try {\r
- g2d.setRenderingHint(G2DRenderingHints.KEY_CONTROL_BOUNDS, getBounds());\r
- if(backgroundColor != null) {\r
- Rectangle2D bounds = getBounds();\r
- g2d.setBackground(backgroundColor);\r
- g2d.clearRect(0, 0, (int)bounds.getWidth(), (int)bounds.getHeight() );\r
- }\r
- canvasContext.getSceneGraph().render(g2d);\r
- } finally {\r
- g2d.dispose();\r
- }\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
+ *******************************************************************************/
+package org.simantics.g2d.chassis;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.Image;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+
+import org.simantics.g2d.canvas.ICanvasContext;
+import org.simantics.g2d.canvas.IContentContext;
+import org.simantics.g2d.canvas.IContentContext.IContentListener;
+import org.simantics.scenegraph.g2d.G2DRenderingHints;
+
+/**
+ * Renders canvas to an image.
+ *
+ * @author Toni Kalajainen
+ */
+public class ImageChassis extends AbstractChassis {
+
+ public static final Color WIPE_COLOR = new Color(.0f, 0.f, 0.f, .0f);
+
+ private Color backgroundColor;
+
+ Image image;
+
+ boolean dirty = false;
+
+ public ImageChassis(Image image) {
+ this.image = image;
+ }
+
+ public void setBackgroundColor(Color color) {
+ backgroundColor = color;
+ }
+
+ public Point2D getSize() {
+ return new Point2D.Double(image.getWidth(null), image.getHeight(null));
+ }
+
+ public Rectangle2D getBounds() {
+ return new Rectangle2D.Double(0,0,image.getWidth(null), image.getHeight(null));
+ }
+
+ @Override
+ public void setCanvasContext(ICanvasContext canvasContext) {
+ super.setCanvasContext(canvasContext);
+
+ canvasContext.getContentContext().addPaintableContextListener(new IContentListener() {
+ @Override
+ public void onDirty(IContentContext sender) {
+ if (dirty) return;
+ dirty = true;
+ draw();
+ }});
+
+ draw();
+ }
+
+ public void draw() {
+ if (canvasContext.isLocked())
+ throw new IllegalStateException("cannot draw image, canvas context is locked: " + canvasContext);
+
+ dirty = false;
+ Graphics2D g2d = (Graphics2D) image.getGraphics();
+ try {
+ g2d.setRenderingHint(G2DRenderingHints.KEY_CONTROL_BOUNDS, getBounds());
+ if(backgroundColor != null) {
+ Rectangle2D bounds = getBounds();
+ g2d.setBackground(backgroundColor);
+ g2d.clearRect(0, 0, (int)bounds.getWidth(), (int)bounds.getHeight() );
+ }
+ canvasContext.getSceneGraph().render(g2d);
+ } finally {
+ g2d.dispose();
+ }
+ }
+
+}