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Diffstat (limited to 'src/TextureByReference/ImageOps.java')
| -rw-r--r-- | src/TextureByReference/ImageOps.java | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/TextureByReference/ImageOps.java b/src/TextureByReference/ImageOps.java new file mode 100644 index 0000000..b099ba2 --- /dev/null +++ b/src/TextureByReference/ImageOps.java @@ -0,0 +1,173 @@ +/* + * $RCSfile$ + * + * Copyright (c) 2004 Sun Microsystems, Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any + * kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND + * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY + * EXCLUDED. SUN MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL + * NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF + * USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS + * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR + * ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, + * CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND + * REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR + * INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed, licensed or + * intended for use in the design, construction, operation or + * maintenance of any nuclear facility. + * + * $Revision$ + * $Date$ + * $State$ + */ + +import java.awt.*; +import java.awt.image.*; +import java.awt.color.*; + +// some useful, static image operations + +public class ImageOps { + + // flip the image + public static void flipImage(BufferedImage bImage) { + int width = bImage.getWidth(); + int height = bImage.getHeight(); + int[] rgbArray = new int[width*height]; + bImage.getRGB(0, 0, width, height, rgbArray, 0, width); + int[] tempArray = new int[width*height]; + int y2 = 0; + for (int y = height-1; y >= 0; y--) { + for (int x = 0; x < width; x++) { + tempArray[y2*width+x] = rgbArray[y*width+x]; + } + y2++; + } + bImage.setRGB(0, 0, width, height, tempArray, 0, width); + } + + + // convert the image to a specified BufferedImage type and return it + public static BufferedImage convertImage(BufferedImage bImage, int type) { + int width = bImage.getWidth(); + int height = bImage.getHeight(); + BufferedImage newImage = new BufferedImage(width, height, type); + int[] rgbArray = new int[width*height]; + bImage.getRGB(0, 0, width, height, rgbArray, 0, width); + newImage.setRGB(0, 0, width, height, rgbArray, 0, width); + return newImage; + } + + // print out some of the types of BufferedImages + static void printType(BufferedImage bImage) { + int type = bImage.getType(); + if (type == BufferedImage.TYPE_4BYTE_ABGR) { + System.out.println("TYPE_4BYTE_ABGR"); + } + else if (type == BufferedImage.TYPE_INT_ARGB) { + System.out.println("TYPE_INT_ARGB"); + } + else if (type == BufferedImage.TYPE_3BYTE_BGR) { + System.out.println("TYPE_3BYTE_BGR"); + } + else if (type == BufferedImage.TYPE_CUSTOM) { + System.out.println("TYPE_CUSTOM"); + } + else System.out.println(type); + } + + public static BufferedImage convertToCustomRGBA(BufferedImage bImage) { + if (bImage.getType() != BufferedImage.TYPE_INT_ARGB) { + ImageOps.convertImage(bImage, BufferedImage.TYPE_INT_ARGB); + } + + int width = bImage.getWidth(); + int height = bImage.getHeight(); + + ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB); + int[] nBits = {8, 8, 8, 8}; + ColorModel cm = new ComponentColorModel(cs, nBits, true, false, + Transparency.OPAQUE, 0); + int[] bandOffset = {0, 1, 2, 3}; + + WritableRaster newRaster = + Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height, + width*4, 4, bandOffset, null); + byte[] byteData = ((DataBufferByte)newRaster.getDataBuffer()).getData(); + Raster origRaster = bImage.getData(); + int[] pixel = new int[4]; + int k = 0; + for (int j = 0; j < height; j++) { + for (int i = 0; i < width; i++) { + pixel = origRaster.getPixel(i, j, pixel); + byteData[k++] = (byte)(pixel[0]); + byteData[k++] = (byte)(pixel[1]); + byteData[k++] = (byte)(pixel[2]); + byteData[k++] = (byte)(pixel[3]); + } + } + BufferedImage newImage = new BufferedImage(cm, newRaster, false, null); +// if (newImage.getType() == BufferedImage.TYPE_CUSTOM) { +// System.out.println("Type is custom"); +// } + return newImage; + } + + public static BufferedImage convertToCustomRGB(BufferedImage bImage) { + if (bImage.getType() != BufferedImage.TYPE_INT_ARGB) { + ImageOps.convertImage(bImage, BufferedImage.TYPE_INT_ARGB); + } + + int width = bImage.getWidth(); + int height = bImage.getHeight(); + + ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB); + int[] nBits = {8, 8, 8}; + ColorModel cm = new ComponentColorModel(cs, nBits, false, false, + Transparency.OPAQUE, 0); + int[] bandOffset = {0, 1, 2}; + + WritableRaster newRaster = + Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, width, height, + width*3, 3, bandOffset, null); + byte[] byteData = ((DataBufferByte)newRaster.getDataBuffer()).getData(); + Raster origRaster = bImage.getData(); + int[] pixel = new int[4]; + int k = 0; + for (int j = 0; j < height; j++) { + for (int i = 0; i < width; i++) { + pixel = origRaster.getPixel(i, j, pixel); + byteData[k++] = (byte)(pixel[0]); + byteData[k++] = (byte)(pixel[1]); + byteData[k++] = (byte)(pixel[2]); + } + } + BufferedImage newImage = new BufferedImage(cm, newRaster, false, null); +// if (newImage.getType() == BufferedImage.TYPE_CUSTOM) { +// System.out.println("Type is custom"); +// } + return newImage; + } +} + |