Showing the changes to java/pkg/sun/awt/image/OffScreenImageSource.java (1 of 18352 files). Show all
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| 1 | /* | ||
| 2 | * Copyright (c) 1995, 2003, Oracle and/or its affiliates. All rights reserved. | ||
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | ||
| 4 | * | ||
| 5 | * This code is free software; you can redistribute it and/or modify it | ||
| 6 | * under the terms of the GNU General Public License version 2 only, as | ||
| 7 | * published by the Free Software Foundation. Oracle designates this | ||
| 8 | * particular file as subject to the "Classpath" exception as provided | ||
| 9 | * by Oracle in the LICENSE file that accompanied this code. | ||
| 10 | * | ||
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT | ||
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | ||
| 14 | * version 2 for more details (a copy is included in the LICENSE file that | ||
| 15 | * accompanied this code). | ||
| 16 | * | ||
| 17 | * You should have received a copy of the GNU General Public License version | ||
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, | ||
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | ||
| 20 | * | ||
| 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | ||
| 22 | * or visit www.oracle.com if you need additional information or have any | ||
| 23 | * questions. | ||
| 24 | */ | ||
| 25 | |||
| 26 | package sun.awt.image; | ||
| 27 | |||
| 28 | import java.util.Hashtable; | ||
| 29 | import java.awt.image.ImageConsumer; | ||
| 30 | import java.awt.image.ImageProducer; | ||
| 31 | import java.awt.image.Raster; | ||
| 32 | import java.awt.image.WritableRaster; | ||
| 33 | import java.awt.image.ColorModel; | ||
| 34 | import java.awt.image.IndexColorModel; | ||
| 35 | import java.awt.image.DirectColorModel; | ||
| 36 | import java.awt.image.BufferedImage; | ||
| 37 | import java.awt.image.DataBuffer; | ||
| 38 | |||
| 39 | public class OffScreenImageSource implements ImageProducer { | ||
| 40 | BufferedImage image; | ||
| 41 | int width; | ||
| 42 | int height; | ||
| 43 | Hashtable properties; | ||
| 44 | |||
| 45 | public OffScreenImageSource(BufferedImage image, | ||
| 46 | Hashtable properties) { | ||
| 47 | this.image = image; | ||
| 48 | if (properties != null) { | ||
| 49 | this.properties = properties; | ||
| 50 | } else { | ||
| 51 | this.properties = new Hashtable(); | ||
| 52 | } | ||
| 53 | width = image.getWidth(); | ||
| 54 | height = image.getHeight(); | ||
| 55 | } | ||
| 56 | |||
| 57 | public OffScreenImageSource(BufferedImage image) { | ||
| 58 | this(image, null); | ||
| 59 | } | ||
| 60 | |||
| 61 | // We can only have one consumer since we immediately return the data... | ||
| 62 | private ImageConsumer theConsumer; | ||
| 63 | |||
| 64 | public synchronized void addConsumer(ImageConsumer ic) { | ||
| 65 | theConsumer = ic; | ||
| 66 | produce(); | ||
| 67 | } | ||
| 68 | |||
| 69 | public synchronized boolean isConsumer(ImageConsumer ic) { | ||
| 70 | return (ic == theConsumer); | ||
| 71 | } | ||
| 72 | |||
| 73 | public synchronized void removeConsumer(ImageConsumer ic) { | ||
| 74 | if (theConsumer == ic) { | ||
| 75 | theConsumer = null; | ||
| 76 | } | ||
| 77 | } | ||
| 78 | |||
| 79 | public void startProduction(ImageConsumer ic) { | ||
| 80 | addConsumer(ic); | ||
| 81 | } | ||
| 82 | |||
| 83 | public void requestTopDownLeftRightResend(ImageConsumer ic) { | ||
| 84 | } | ||
| 85 | |||
| 86 | private void sendPixels() { | ||
| 87 | ColorModel cm = image.getColorModel(); | ||
| 88 | WritableRaster raster = image.getRaster(); | ||
| 89 | int numDataElements = raster.getNumDataElements(); | ||
| 90 | int dataType = raster.getDataBuffer().getDataType(); | ||
| 91 | int[] scanline = new int[width*numDataElements]; | ||
| 92 | boolean needToCvt = true; | ||
| 93 | |||
| 94 | if (cm instanceof IndexColorModel) { | ||
| 95 | byte[] pixels = new byte[width]; | ||
| 96 | theConsumer.setColorModel(cm); | ||
| 97 | |||
| 98 | if (raster instanceof ByteComponentRaster) { | ||
| 99 | needToCvt = false; | ||
| 100 | for (int y=0; y < height; y++) { | ||
| 101 | raster.getDataElements(0, y, width, 1, pixels); | ||
| 102 | theConsumer.setPixels(0, y, width, 1, cm, pixels, 0, | ||
| 103 | width); | ||
| 104 | } | ||
| 105 | } | ||
| 106 | else if (raster instanceof BytePackedRaster) { | ||
| 107 | needToCvt = false; | ||
| 108 | // Binary image. Need to unpack it | ||
| 109 | for (int y=0; y < height; y++) { | ||
| 110 | raster.getPixels(0, y, width, 1, scanline); | ||
| 111 | for (int x=0; x < width; x++) { | ||
| 112 | pixels[x] = (byte) scanline[x]; | ||
| 113 | } | ||
| 114 | theConsumer.setPixels(0, y, width, 1, cm, pixels, 0, | ||
| 115 | width); | ||
| 116 | } | ||
| 117 | } | ||
| 118 | else if (dataType == DataBuffer.TYPE_SHORT || | ||
| 119 | dataType == DataBuffer.TYPE_INT) | ||
| 120 | { | ||
| 121 | // Probably a short or int "GRAY" image | ||
| 122 | needToCvt = false; | ||
| 123 | for (int y=0; y < height; y++) { | ||
| 124 | raster.getPixels(0, y, width, 1, scanline); | ||
| 125 | theConsumer.setPixels(0, y, width, 1, cm, scanline, 0, | ||
| 126 | width); | ||
| 127 | } | ||
| 128 | } | ||
| 129 | } | ||
| 130 | else if (cm instanceof DirectColorModel) { | ||
| 131 | theConsumer.setColorModel(cm); | ||
| 132 | needToCvt = false; | ||
| 133 | switch (dataType) { | ||
| 134 | case DataBuffer.TYPE_INT: | ||
| 135 | for (int y=0; y < height; y++) { | ||
| 136 | raster.getDataElements(0, y, width, 1, scanline); | ||
| 137 | theConsumer.setPixels(0, y, width, 1, cm, scanline, 0, | ||
| 138 | width); | ||
| 139 | } | ||
| 140 | break; | ||
| 141 | case DataBuffer.TYPE_BYTE: | ||
| 142 | byte[] bscanline = new byte[width]; | ||
| 143 | for (int y=0; y < height; y++) { | ||
| 144 | raster.getDataElements(0, y, width, 1, bscanline); | ||
| 145 | for (int x=0; x < width; x++) { | ||
| 146 | scanline[x] = bscanline[x]&0xff; | ||
| 147 | } | ||
| 148 | theConsumer.setPixels(0, y, width, 1, cm, scanline, 0, | ||
| 149 | width); | ||
| 150 | } | ||
| 151 | break; | ||
| 152 | case DataBuffer.TYPE_USHORT: | ||
| 153 | short[] sscanline = new short[width]; | ||
| 154 | for (int y=0; y < height; y++) { | ||
| 155 | raster.getDataElements(0, y, width, 1, sscanline); | ||
| 156 | for (int x=0; x < width; x++) { | ||
| 157 | scanline[x] = sscanline[x]&0xffff; | ||
| 158 | } | ||
| 159 | theConsumer.setPixels(0, y, width, 1, cm, scanline, 0, | ||
| 160 | width); | ||
| 161 | } | ||
| 162 | break; | ||
| 163 | default: | ||
| 164 | needToCvt = true; | ||
| 165 | } | ||
| 166 | } | ||
| 167 | |||
| 168 | if (needToCvt) { | ||
| 169 | // REMIND: Need to add other types of CMs here | ||
| 170 | ColorModel newcm = ColorModel.getRGBdefault(); | ||
| 171 | theConsumer.setColorModel(newcm); | ||
| 172 | |||
| 173 | for (int y=0; y < height; y++) { | ||
| 174 | for (int x=0; x < width; x++) { | ||
| 175 | scanline[x] = image.getRGB(x, y); | ||
| 176 | } | ||
| 177 | theConsumer.setPixels(0, y, width, 1, newcm, scanline, 0, | ||
| 178 | width); | ||
| 179 | } | ||
| 180 | } | ||
| 181 | } | ||
| 182 | |||
| 183 | private void produce() { | ||
| 184 | try { | ||
| 185 | theConsumer.setDimensions(image.getWidth(), image.getHeight()); | ||
| 186 | theConsumer.setProperties(properties); | ||
| 187 | sendPixels(); | ||
| 188 | theConsumer.imageComplete(ImageConsumer.SINGLEFRAMEDONE); | ||
| 189 | } catch (NullPointerException e) { | ||
| 190 | if (theConsumer != null) { | ||
| 191 | theConsumer.imageComplete(ImageConsumer.IMAGEERROR); | ||
| 192 | } | ||
| 193 | } | ||
| 194 | } | ||
| 195 | } | ||