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Java Source | 2003-08-08 | 6.0 KB | 169 lines |
- /*
- * @(#)ImageOps.java 1.6 02/04/01 15:04:07
- *
- * Copyright (c) 1996-2002 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:
- *
- * - Redistributions 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 AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES
- * SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
- * DISTRIBUTING THE 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 SOFTWARE,
- * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
- *
- * You acknowledge that Software is not designed,licensed or intended
- * for use in the design, construction, operation or maintenance of
- * any nuclear facility.
- */
-
- 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;
- }
- }
-
-