-/*******************************************************************************\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.image.impl;\r
-\r
-import java.awt.Color;\r
-import java.awt.Graphics2D;\r
-import java.awt.GraphicsConfiguration;\r
-import java.awt.Shape;\r
-import java.awt.Transparency;\r
-import java.awt.geom.AffineTransform;\r
-import java.awt.geom.Rectangle2D;\r
-import java.awt.image.VolatileImage;\r
-import java.util.ArrayList;\r
-import java.util.Arrays;\r
-import java.util.EnumSet;\r
-import java.util.HashMap;\r
-import java.util.List;\r
-import java.util.Map;\r
-\r
-import org.simantics.g2d.image.Image;\r
-import org.simantics.scenegraph.Node;\r
-import org.simantics.scenegraph.g2d.G2DParentNode;\r
-import org.simantics.scenegraph.utils.QualityHints;\r
-\r
-/**\r
- * Video-ram cache suitable for rasterized PaintableSymbols scalable vector graphics.\r
- * <p>\r
- * This implementation rasterizes the same symbol from different mip map levels.\r
- * \r
- * @see VRamImage\r
- * @author Toni Kalajainen\r
- */\r
-public class MipMapVRamBufferedImage extends ImageProxy implements Image {\r
-\r
- /** Extra margin to the bounds reported by batik*/\r
- public static final double MARGIN_PERCENT = 3;\r
-\r
- public static final double MAX_DIMENSION = 800;\r
- public static final double MIN_DIMENSION = 4;\r
-\r
- final GraphicsConfiguration gc;\r
- Shape outline;\r
-\r
- double [] resolutions;\r
- Map<Double, Raster> rasters = new HashMap<Double, Raster>();\r
- double minResolution, maxResolution;\r
- EnumSet<Feature> caps;\r
-\r
- public MipMapVRamBufferedImage(Image original, GraphicsConfiguration gc)\r
- {\r
- super(original);\r
- if(gc==null)\r
- throw new IllegalArgumentException("Argument is null.");\r
- this.source = original;\r
- this.gc = gc;\r
-\r
- // Init rasters - they are built on-demand\r
- double maxResolution = maxResolution();\r
- double minResolution = minResolution();\r
- double resolution = maxResolution;\r
- List<Double> resolutions = new ArrayList<Double>();\r
- while (resolution>minResolution)\r
- {\r
- Raster r = new Raster(resolution);\r
- rasters.put(resolution, r);\r
- resolutions.add(resolution);\r
- resolution /= 2;\r
- }\r
-\r
- // arraylist -> array\r
- this.resolutions = new double[resolutions.size()];\r
- for (int i=0; i<resolutions.size(); i++)\r
- this.resolutions[i] = resolutions.get(resolutions.size()-1-i);\r
- this.minResolution = this.resolutions[0];\r
- this.maxResolution = this.resolutions[this.resolutions.length-1];\r
-\r
- if (original.getFeatures().contains(Feature.Volatile))\r
- caps = EnumSet.noneOf(Feature.class);\r
- else\r
- caps = EnumSet.of(Feature.Vector);\r
- }\r
-\r
- private double maxResolution()\r
- {\r
- Rectangle2D bounds = source.getBounds();\r
- double wid = bounds.getWidth();\r
- double hei = bounds.getHeight();\r
- return MAX_DIMENSION/Math.sqrt(wid*hei);\r
- }\r
-\r
- private double minResolution()\r
- {\r
- Rectangle2D bounds = source.getBounds();\r
- double wid = bounds.getWidth();\r
- double hei = bounds.getHeight();\r
- return MIN_DIMENSION/Math.sqrt(wid*hei);\r
- }\r
-\r
- private double requiredResolution(AffineTransform at)\r
- {\r
- double m00 = at.getScaleX();\r
- double m11 = at.getScaleY();\r
- double m10 = at.getShearY();\r
- double m01 = at.getShearX();\r
- // Project unit vector to canvas\r
- double sx = Math.sqrt( m00*m00+m10*m10 );\r
- double sy = Math.sqrt( m01*m01+m11*m11 );\r
- return Math.sqrt(sx*sx+sy*sy);\r
- }\r
-\r
- private double findClosestResolution(double resolution)\r
- {\r
- int index = Arrays.binarySearch(resolutions, resolution);\r
- if (index>=0) return resolutions[index];\r
- index = -(index+1);\r
-\r
- if (index>=resolutions.length) index = resolutions.length-1;\r
- if (index<0) index = 0;\r
- return resolutions[index];\r
- }\r
-\r
- @Override\r
- public Node init(G2DParentNode parent) {\r
- return null;\r
-// Graphics2D g = gc.getGraphics2D();\r
-// // Quality rendering requested, do not render from cache\r
-// if (g.getRenderingHint(RenderingHints.KEY_RENDERING) == RenderingHints.VALUE_RENDER_QUALITY)\r
-// {\r
-// source.paint(gc);\r
-// return;\r
-// }\r
-//\r
-// double requiredResolution = requiredResolution(g.getTransform());\r
-// if (requiredResolution > maxResolution)\r
-// {\r
-// g = gc.createClone();\r
-// g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED);\r
-// g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);\r
-// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);\r
-// g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);\r
-// g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);\r
-// g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);\r
-// gc = new GraphicsContextImpl(g, gc.getBounds(), gc.getNode());\r
-// source.paint(gc);\r
-// return;\r
-// }\r
-//\r
-// double closestResolution = findClosestResolution(requiredResolution);\r
-//\r
-// Raster raster = rasters.get(closestResolution);\r
-//\r
-// Object origInterpolationHint = g.getRenderingHint(RenderingHints.KEY_INTERPOLATION);\r
-// if (origInterpolationHint==null)\r
-// origInterpolationHint = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR;\r
-// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);\r
-// try {\r
-// raster.paint( gc );\r
-// } finally {\r
-// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, origInterpolationHint);\r
-// }\r
- }\r
-\r
- public Image getOriginalPaintableSymbol()\r
- {\r
- return source;\r
- }\r
-\r
- synchronized void releaseRaster() {\r
- for (Raster r : rasters.values())\r
- r.image = null;\r
-\r
- }\r
-\r
- @Override\r
- protected void notifyChanged() {\r
- releaseRaster();\r
- super.notifyChanged();\r
- }\r
-\r
- class Raster implements Comparable<Raster> {\r
- VolatileImage image;\r
- double resolution;\r
- int widMargin, heiMargin;\r
- int wid, hei;\r
-\r
- Raster(double resolution) {\r
- Rectangle2D bounds = source.getBounds();\r
- this.resolution = resolution;\r
- double wid = bounds.getWidth();\r
- double hei = bounds.getHeight();\r
- this.wid = (int) (wid * resolution);\r
- this.hei = (int) (hei * resolution);\r
- widMargin = (int) (wid * resolution * (MARGIN_PERCENT/100)) +1;\r
- heiMargin = (int) (hei * resolution * (MARGIN_PERCENT/100)) +1;\r
- }\r
-\r
- synchronized VolatileImage restore()\r
- {\r
- Rectangle2D bounds = source.getBounds();\r
- if (image==null) {\r
- image = gc.createCompatibleVolatileImage(\r
- wid+widMargin*2,\r
- hei+heiMargin*2,\r
- Transparency.TRANSLUCENT);\r
- }\r
- int validateResult = image.validate(gc);\r
- if (validateResult == VolatileImage.IMAGE_INCOMPATIBLE)\r
- return null;\r
-\r
- if (validateResult == VolatileImage.IMAGE_OK)\r
- return image;\r
-\r
- if (validateResult == VolatileImage.IMAGE_RESTORED /*raster.contentsLost()*/) {\r
- Graphics2D target = image.createGraphics();\r
- target.setBackground(new Color(255,255,255,0));\r
- target.clearRect(0, 0, image.getWidth(), image.getHeight());\r
- QualityHints.HIGH_QUALITY_HINTS.setQuality(target);\r
- target.translate(widMargin, heiMargin);\r
- target.scale(resolution, resolution);\r
- target.translate(-bounds.getMinX(), -bounds.getMinY());\r
- source.init(null);\r
-// new GraphicsContextImpl(new Rectangle2D.Double(0,0, image.getWidth(), image.getHeight()), null)\r
-// );\r
- target.dispose();\r
- return image;\r
- }\r
- return null;\r
- }\r
-\r
-// public void paint(GraphicsContext gc) {\r
-// Rectangle2D bounds = source.getBounds();\r
-// VolatileImage image = restore();\r
-// if (image==null)\r
-// {\r
-// QualityHints.LOW_QUALITY_HINTS.setQuality(gc.getGraphics2D());\r
-// source.paint(gc);\r
-// return;\r
-// }\r
-// Graphics2D g = gc.getGraphics2D();\r
-// AffineTransform af = g.getTransform();\r
-// Object rh = g.getRenderingHint(RenderingHints.KEY_INTERPOLATION);\r
-// try {\r
-// /// Bicubic interpolation is very slow with opengl pipeline\r
-// if (rh == RenderingHints.VALUE_INTERPOLATION_BICUBIC)\r
-// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,\r
-// RenderingHints.VALUE_INTERPOLATION_BILINEAR);\r
-// g.translate(bounds.getMinX(), bounds.getMinY());\r
-// g.scale(1/resolution, 1/resolution);\r
-// g.translate(-widMargin, -heiMargin);\r
-// g.drawImage(image, 0, 0, null);\r
-// } finally {\r
-// g.setTransform(af);\r
-// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, rh);\r
-// }\r
-// }\r
-\r
- @Override\r
- public int compareTo(Raster other) {\r
- if (other.resolution<resolution)\r
- return -1;\r
- if (other.resolution>resolution)\r
- return 1;\r
- return 0;\r
- }\r
- }\r
- /*\r
- @Override\r
- public int hashCode() {\r
- return gc.hashCode() ^original.hashCode();\r
- }\r
-\r
- @Override\r
- public boolean equals(Object obj) {\r
- if (!(obj instanceof VRamBufferedImage)) return false;\r
- VRamBufferedImage o = (VRamBufferedImage) obj;\r
- return o.gc == gc && o.original.equals(original);\r
- }\r
- */\r
- @Override\r
- public EnumSet<Feature> getFeatures() {\r
- return caps;\r
- }\r
-\r
- public Image getSource() {\r
- return source;\r
- }\r
-\r
- public GraphicsConfiguration getGraphicsConfiguration() {\r
- return gc;\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.image.impl;
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.Shape;
+import java.awt.Transparency;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.awt.image.VolatileImage;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.EnumSet;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.simantics.g2d.image.Image;
+import org.simantics.scenegraph.Node;
+import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.utils.QualityHints;
+
+/**
+ * Video-ram cache suitable for rasterized PaintableSymbols scalable vector graphics.
+ * <p>
+ * This implementation rasterizes the same symbol from different mip map levels.
+ *
+ * @see VRamImage
+ * @author Toni Kalajainen
+ */
+public class MipMapVRamBufferedImage extends ImageProxy implements Image {
+
+ /** Extra margin to the bounds reported by batik*/
+ public static final double MARGIN_PERCENT = 3;
+
+ public static final double MAX_DIMENSION = 800;
+ public static final double MIN_DIMENSION = 4;
+
+ final GraphicsConfiguration gc;
+ Shape outline;
+
+ double [] resolutions;
+ Map<Double, Raster> rasters = new HashMap<Double, Raster>();
+ double minResolution, maxResolution;
+ EnumSet<Feature> caps;
+
+ public MipMapVRamBufferedImage(Image original, GraphicsConfiguration gc)
+ {
+ super(original);
+ if(gc==null)
+ throw new IllegalArgumentException("Argument is null.");
+ this.source = original;
+ this.gc = gc;
+
+ // Init rasters - they are built on-demand
+ double maxResolution = maxResolution();
+ double minResolution = minResolution();
+ double resolution = maxResolution;
+ List<Double> resolutions = new ArrayList<Double>();
+ while (resolution>minResolution)
+ {
+ Raster r = new Raster(resolution);
+ rasters.put(resolution, r);
+ resolutions.add(resolution);
+ resolution /= 2;
+ }
+
+ // arraylist -> array
+ this.resolutions = new double[resolutions.size()];
+ for (int i=0; i<resolutions.size(); i++)
+ this.resolutions[i] = resolutions.get(resolutions.size()-1-i);
+ this.minResolution = this.resolutions[0];
+ this.maxResolution = this.resolutions[this.resolutions.length-1];
+
+ if (original.getFeatures().contains(Feature.Volatile))
+ caps = EnumSet.noneOf(Feature.class);
+ else
+ caps = EnumSet.of(Feature.Vector);
+ }
+
+ private double maxResolution()
+ {
+ Rectangle2D bounds = source.getBounds();
+ double wid = bounds.getWidth();
+ double hei = bounds.getHeight();
+ return MAX_DIMENSION/Math.sqrt(wid*hei);
+ }
+
+ private double minResolution()
+ {
+ Rectangle2D bounds = source.getBounds();
+ double wid = bounds.getWidth();
+ double hei = bounds.getHeight();
+ return MIN_DIMENSION/Math.sqrt(wid*hei);
+ }
+
+ private double requiredResolution(AffineTransform at)
+ {
+ double m00 = at.getScaleX();
+ double m11 = at.getScaleY();
+ double m10 = at.getShearY();
+ double m01 = at.getShearX();
+ // Project unit vector to canvas
+ double sx = Math.sqrt( m00*m00+m10*m10 );
+ double sy = Math.sqrt( m01*m01+m11*m11 );
+ return Math.sqrt(sx*sx+sy*sy);
+ }
+
+ private double findClosestResolution(double resolution)
+ {
+ int index = Arrays.binarySearch(resolutions, resolution);
+ if (index>=0) return resolutions[index];
+ index = -(index+1);
+
+ if (index>=resolutions.length) index = resolutions.length-1;
+ if (index<0) index = 0;
+ return resolutions[index];
+ }
+
+ @Override
+ public Node init(G2DParentNode parent) {
+ return null;
+// Graphics2D g = gc.getGraphics2D();
+// // Quality rendering requested, do not render from cache
+// if (g.getRenderingHint(RenderingHints.KEY_RENDERING) == RenderingHints.VALUE_RENDER_QUALITY)
+// {
+// source.paint(gc);
+// return;
+// }
+//
+// double requiredResolution = requiredResolution(g.getTransform());
+// if (requiredResolution > maxResolution)
+// {
+// g = gc.createClone();
+// g.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED);
+// g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
+// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
+// g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
+// g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED);
+// g.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE);
+// gc = new GraphicsContextImpl(g, gc.getBounds(), gc.getNode());
+// source.paint(gc);
+// return;
+// }
+//
+// double closestResolution = findClosestResolution(requiredResolution);
+//
+// Raster raster = rasters.get(closestResolution);
+//
+// Object origInterpolationHint = g.getRenderingHint(RenderingHints.KEY_INTERPOLATION);
+// if (origInterpolationHint==null)
+// origInterpolationHint = RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR;
+// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
+// try {
+// raster.paint( gc );
+// } finally {
+// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, origInterpolationHint);
+// }
+ }
+
+ public Image getOriginalPaintableSymbol()
+ {
+ return source;
+ }
+
+ synchronized void releaseRaster() {
+ for (Raster r : rasters.values())
+ r.image = null;
+
+ }
+
+ @Override
+ protected void notifyChanged() {
+ releaseRaster();
+ super.notifyChanged();
+ }
+
+ class Raster implements Comparable<Raster> {
+ VolatileImage image;
+ double resolution;
+ int widMargin, heiMargin;
+ int wid, hei;
+
+ Raster(double resolution) {
+ Rectangle2D bounds = source.getBounds();
+ this.resolution = resolution;
+ double wid = bounds.getWidth();
+ double hei = bounds.getHeight();
+ this.wid = (int) (wid * resolution);
+ this.hei = (int) (hei * resolution);
+ widMargin = (int) (wid * resolution * (MARGIN_PERCENT/100)) +1;
+ heiMargin = (int) (hei * resolution * (MARGIN_PERCENT/100)) +1;
+ }
+
+ synchronized VolatileImage restore()
+ {
+ Rectangle2D bounds = source.getBounds();
+ if (image==null) {
+ image = gc.createCompatibleVolatileImage(
+ wid+widMargin*2,
+ hei+heiMargin*2,
+ Transparency.TRANSLUCENT);
+ }
+ int validateResult = image.validate(gc);
+ if (validateResult == VolatileImage.IMAGE_INCOMPATIBLE)
+ return null;
+
+ if (validateResult == VolatileImage.IMAGE_OK)
+ return image;
+
+ if (validateResult == VolatileImage.IMAGE_RESTORED /*raster.contentsLost()*/) {
+ Graphics2D target = image.createGraphics();
+ target.setBackground(new Color(255,255,255,0));
+ target.clearRect(0, 0, image.getWidth(), image.getHeight());
+ QualityHints.HIGH_QUALITY_HINTS.setQuality(target);
+ target.translate(widMargin, heiMargin);
+ target.scale(resolution, resolution);
+ target.translate(-bounds.getMinX(), -bounds.getMinY());
+ source.init(null);
+// new GraphicsContextImpl(new Rectangle2D.Double(0,0, image.getWidth(), image.getHeight()), null)
+// );
+ target.dispose();
+ return image;
+ }
+ return null;
+ }
+
+// public void paint(GraphicsContext gc) {
+// Rectangle2D bounds = source.getBounds();
+// VolatileImage image = restore();
+// if (image==null)
+// {
+// QualityHints.LOW_QUALITY_HINTS.setQuality(gc.getGraphics2D());
+// source.paint(gc);
+// return;
+// }
+// Graphics2D g = gc.getGraphics2D();
+// AffineTransform af = g.getTransform();
+// Object rh = g.getRenderingHint(RenderingHints.KEY_INTERPOLATION);
+// try {
+// /// Bicubic interpolation is very slow with opengl pipeline
+// if (rh == RenderingHints.VALUE_INTERPOLATION_BICUBIC)
+// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
+// RenderingHints.VALUE_INTERPOLATION_BILINEAR);
+// g.translate(bounds.getMinX(), bounds.getMinY());
+// g.scale(1/resolution, 1/resolution);
+// g.translate(-widMargin, -heiMargin);
+// g.drawImage(image, 0, 0, null);
+// } finally {
+// g.setTransform(af);
+// g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, rh);
+// }
+// }
+
+ @Override
+ public int compareTo(Raster other) {
+ if (other.resolution<resolution)
+ return -1;
+ if (other.resolution>resolution)
+ return 1;
+ return 0;
+ }
+ }
+ /*
+ @Override
+ public int hashCode() {
+ return gc.hashCode() ^original.hashCode();
+ }
+
+ @Override
+ public boolean equals(Object obj) {
+ if (!(obj instanceof VRamBufferedImage)) return false;
+ VRamBufferedImage o = (VRamBufferedImage) obj;
+ return o.gc == gc && o.original.equals(original);
+ }
+ */
+ @Override
+ public EnumSet<Feature> getFeatures() {
+ return caps;
+ }
+
+ public Image getSource() {
+ return source;
+ }
+
+ public GraphicsConfiguration getGraphicsConfiguration() {
+ return gc;
+ }
+
+}
+