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