19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * this work for additional information regarding copyright ownership. 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * (the "License"); you may not use this file except in compliance with 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the License. You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @author Igor V. Stolyarov 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @version $Revision$ 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage java.awt.image.renderable; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.RenderingHints; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.geom.AffineTransform; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.geom.Rectangle2D; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.awt.image.RenderedImage; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Vector; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport org.apache.harmony.awt.internal.nls.Messages; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The Class RenderableImageOp is a basic implementation of RenderableImage, 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * with methods to access the parameter data and perform rendering operations. 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @since Android 1.0 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class RenderableImageOp implements RenderableImage { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The CRIF. 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContextualRenderedImageFactory CRIF; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The param block. 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ParameterBlock paramBlock; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * The height. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project float minX, minY, width, height; 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Instantiates a new renderable image op. 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param CRIF 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the cRIF. 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paramBlock 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the param block. 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public RenderableImageOp(ContextualRenderedImageFactory CRIF, ParameterBlock paramBlock) { 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.CRIF = CRIF; 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.paramBlock = (ParameterBlock)paramBlock.clone(); 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Rectangle2D r = CRIF.getBounds2D(paramBlock); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project minX = (float)r.getMinX(); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project minY = (float)r.getMinY(); 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project width = (float)r.getWidth(); 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project height = (float)r.getHeight(); 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Object getProperty(String name) { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return CRIF.getProperty(paramBlock, name); 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Sets the parameter block. 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param paramBlock 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the param block. 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the parameter block. 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ParameterBlock setParameterBlock(ParameterBlock paramBlock) { 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ParameterBlock oldParam = this.paramBlock; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project this.paramBlock = (ParameterBlock)paramBlock.clone(); 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return oldParam; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public RenderedImage createRendering(RenderContext renderContext) { 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<RenderableImage> sources = getSources(); 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ParameterBlock rdParam = (ParameterBlock)paramBlock.clone(); 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sources != null) { 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<Object> rdSources = new Vector<Object>(); 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i < sources.size()) { 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RenderContext newContext = CRIF 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project .mapRenderContext(i, renderContext, paramBlock, this); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RenderedImage rdim = sources.elementAt(i).createRendering(newContext); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rdim != null) { 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rdSources.addElement(rdim); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rdSources.size() > 0) { 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rdParam.setSources(rdSources); 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return CRIF.create(renderContext, rdParam); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public RenderedImage createScaledRendering(int w, int h, RenderingHints hints) { 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w == 0 && h == 0) { 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // awt.60=Width and Height mustn't be equal zero both 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new IllegalArgumentException(Messages.getString("awt.60")); //$NON-NLS-1$ 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (w == 0) { 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project w = Math.round(h * (getWidth() / getHeight())); 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (h == 0) { 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project h = Math.round(w * (getHeight() / getWidth())); 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project double sx = (double)w / getWidth(); 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project double sy = (double)h / getHeight(); 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AffineTransform at = AffineTransform.getScaleInstance(sx, sy); 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RenderContext context = new RenderContext(at, hints); 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createRendering(context); 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public Vector<RenderableImage> getSources() { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (paramBlock.getNumSources() == 0) { 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Vector<RenderableImage> v = new Vector<RenderableImage>(); 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int i = 0; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (i < paramBlock.getNumSources()) { 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Object o = paramBlock.getSource(i); 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (o instanceof RenderableImage) { 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project v.addElement((RenderableImage)o); 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project i++; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return v; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public String[] getPropertyNames() { 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return CRIF.getPropertyNames(); 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Gets the parameter block. 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return the parameter block 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ParameterBlock getParameterBlock() { 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return paramBlock; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public RenderedImage createDefaultRendering() { 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AffineTransform at = new AffineTransform(); 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project RenderContext context = new RenderContext(at); 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return createRendering(context); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public boolean isDynamic() { 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return CRIF.isDynamic(); 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float getWidth() { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return width; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float getMinY() { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return minY; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float getMinX() { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return minX; 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public float getHeight() { 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return height; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 192