/******************************************************************************* * 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.scenegraph.utils; import java.awt.Color; import java.awt.Graphics2D; import java.awt.GraphicsConfiguration; import java.awt.Point; import java.awt.RenderingHints; import java.awt.geom.AffineTransform; import java.awt.geom.Rectangle2D; import java.awt.image.VolatileImage; import java.util.concurrent.atomic.AtomicInteger; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import com.kitfox.svg.SVGDiagram; /** * Video-ram cache suitable for rasterized PaintableSymbols scalable vector graphics. *

* This implementation rasterizes the same symbol from different mip map levels. * * @see VRamImage * @author Toni Kalajainen */ public class MipMapVRamBufferedImage extends MipMapBufferedImage { private static final Logger LOGGER = LoggerFactory.getLogger(MipMapVRamBufferedImage.class); /** * @param original * @param imageBounds * @param referenceSize a reference size for the rasterized images or * null to not specify one in which case a default * resolution is used * @param gc */ public MipMapVRamBufferedImage(SVGDiagram original, Rectangle2D imageBounds, Point referenceSize) { super(original, imageBounds, referenceSize); } @Override protected IRaster createRaster(double resolution) { return new VolatileRaster(resolution); } @Override protected double getRasterRenderingThresholdResolution() { return maxResolution*1.5; } @Override protected void setupSourceRender(Graphics2D g2d) { // g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED); // g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); // g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR); // g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); // g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); // g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE); g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_SPEED); g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR); g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); g2d.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_DISABLE); } class VolatileRaster extends Raster { VolatileImageProvider imageProvider; int widMargin, heiMargin; int wid, hei; AtomicInteger validateResult = new AtomicInteger(VolatileImage.IMAGE_OK); public VolatileRaster(double resolution) { super(resolution); double wid = imageBounds.getWidth(); double hei = imageBounds.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; imageProvider = VolatileImageCache.getInstance().create(this.wid+widMargin*2, this.hei+heiMargin*2); //System.out.println("VolatileRaster(" + resolution + "): " + this.wid + " x " + this.hei); } /** * @param image * @return */ private VolatileImage sourceRender(VolatileImage image) { Graphics2D target = image.createGraphics(); target.setBackground(new Color(255,255,255,0)); target.clearRect(0, 0, image.getWidth(), image.getHeight()); target.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY); target.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); target.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON); target.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC); target.translate(widMargin, heiMargin); target.scale(resolution, resolution); target.translate(-imageBounds.getMinX(), -imageBounds.getMinY()); try { source.render(target); } catch (Exception e) { e.printStackTrace(); target.dispose(); image = null; return null; } target.dispose(); //JAI.create("filestore", image.getSnapshot(), "d:/test" + (koss++) + ".png", "png"); return image; } synchronized VolatileImage restore(GraphicsConfiguration gc2) { //System.out.println("restoring provider " + imageProvider); VolatileImage image = imageProvider.get(gc2, this.validateResult); // If a new image was created, we always need to render from source. int validateResult = this.validateResult.get(); //System.out.println("got VolatileImage " + image + " (validation result=" + validated + ")"); // Couldn't get image? This is not supposed to happen but happened anyway. if (image == null) { LOGGER.error("BUG: VolatileImageProvider.get returned null!"); return null; } // if (validateResult != VolatileImage.IMAGE_OK) { // System.out.println("NEED SOURCE RENDER FOR VOLATILE IMAGE PROVIDER " + imageProvider + " - " + image); // } boolean contentsLost = validateResult != VolatileImage.IMAGE_OK || image.contentsLost(); return contentsLost ? sourceRender(image) : image; //return contentsLost ? sourceRender(image) : sourceRender(image); } public void paint(Graphics2D g) { VolatileImage image = restore(g.getDeviceConfiguration()); if (image==null) { g.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_SPEED); g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF); g.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_OFF); g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_NEAREST_NEIGHBOR); try { source.render(g); } catch (Exception e) { // TODO Auto-generated catch block // NOTE: Catching Exception instead of SVGException due to an // NPE when encountering invalid color SVG definitions (e.g. // rgb(256,-1,0)) e.printStackTrace(); } return; } 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(imageBounds.getMinX(), imageBounds.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); } } public void release() { imageProvider.dispose(); } } //static long koss = 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); } */ }