/******************************************************************************* * 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);
}
*/
}