1 /*******************************************************************************
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2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.g2d.image;
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14 import java.awt.GraphicsConfiguration;
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16 import org.simantics.g2d.image.Image.Feature;
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17 import org.simantics.g2d.image.impl.AWTImage;
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18 import org.simantics.g2d.image.impl.ImageProxy;
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19 import org.simantics.g2d.image.impl.MipMapBufferedImage;
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20 import org.simantics.g2d.image.impl.MipMapVRamBufferedImage;
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21 import org.simantics.g2d.image.impl.Shadow;
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22 import org.simantics.g2d.image.impl.VRamBufferedImage;
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23 import org.simantics.g2d.image.impl.Shadow.ShadowParameters;
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28 * @See {@link ProviderUtils}
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29 * @See {@link Image}
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30 * @author Toni Kalajainen
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32 public class ImageUtils {
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35 * Adapt AWT {@link java.awt.image.BufferedImage} to {@link Image}
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39 public static Image adaptAWT(java.awt.image.BufferedImage awtImage)
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41 return new AWTImage(awtImage);
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45 * Creates a memory backed buffer for an Image.
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46 * Use this with vector images and shadows.
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49 * @return video-ram optimized version of the symbol
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51 public static Image createBuffer(Image source)
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53 return new MipMapBufferedImage(source);
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57 * Creates a proxy of the source image. Proxy has a strong reference to the
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58 * source but weak from source to proxy and thus a proxy prevents garbage
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59 * collection of the source image.
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63 * Image i = ProviderUtils.at("https://www.simantics.org/simantics/simantics/logo.jpg");
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64 * Image p1 = ImageUtils.proxy(i);
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65 * Image p2 = ImageUtils.proxy(i);
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68 * deliver p1 and p2 to user interface components.
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70 * i stays in memory until p1 and p2 are garbage collected.
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76 public static Image createProxy(Image source)
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78 return new ImageProxy(source);
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82 * Creates an instance of Image that reflects to the shadow of the source Image.
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84 * Shadow is created every time the image is painted. Usage of memory buffer
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85 * is recommended (see createBuffer() ).
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91 public static Image createShadow(Image source, ShadowParameters shadow)
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93 return new Shadow(source, shadow);
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96 public static Image createShadow(Image source, ShadowParameters shadow, int width, int height)
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98 return new Shadow(source, shadow, width, height);
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102 * Raster symbol to video memory (lazy).
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105 * @param gc Graphics configuration
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106 * @return video-ram optimized version of the symbol
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108 public static Image createVideoMemoryBuffer(Image ps, GraphicsConfiguration gc)
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110 if (gc==null) throw new IllegalArgumentException("null arg");
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111 if (ps instanceof VRamBufferedImage)
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113 VRamBufferedImage p = (VRamBufferedImage) ps;
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114 if (p.getGraphicsConfiguration()!=gc) ps = p.getSource(); else return ps;
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116 if (ps instanceof MipMapVRamBufferedImage)
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118 MipMapVRamBufferedImage p = (MipMapVRamBufferedImage) ps;
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119 if (p.getGraphicsConfiguration()!=gc) ps = p.getSource(); else return ps;
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121 if (ps.getFeatures().contains(Feature.Vector))
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122 return new MipMapVRamBufferedImage(ps, gc);
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124 return new VRamBufferedImage(ps, gc);
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