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+/*
+ * $RCSfile$
+ *
+ * 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.util.Vector;
+import java.awt.color.ColorSpace;
+
+public class TiledImage extends Object implements RenderedImage {
+
+
+ WritableRaster[][] tile = new WritableRaster[3][3];
+
+ WritableRaster bigTile;
+ ComponentColorModel colorModel;
+ BufferedImage checkBoard;
+ int minX = -2;
+ int minY = -1;
+
+ TiledImage() {
+ ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_sRGB);
+ int[] nBits = {8, 8, 8, 8};
+ int i, j, k, cc = 255;
+ int[] bandOffset = new int[4];
+ colorModel =
+ new ComponentColorModel(cs, nBits, true, false, Transparency.OPAQUE, 0);
+ // Create 9 tiles
+ bandOffset[0] = 3;
+ bandOffset[1] = 2;
+ bandOffset[2] = 1;
+ bandOffset[3] = 0;
+ for (i = 0; i < 3; i++) {
+ for (j = 0; j < 3; j++) {
+ tile[i][j] = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 8, 8 , 32, 4, bandOffset, null);
+ }
+ }
+
+ // tile {-2, -1}
+ byte[] byteData = ((DataBufferByte)tile[0][0].getDataBuffer()).getData();
+ for (i=4, k = 8 * 4 * 4+4 * 4;i < 8;i++, k+= 16){
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)cc;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+
+ // tile {-1, -1}
+ byteData = ((DataBufferByte)tile[1][0].getDataBuffer()).getData();
+ for (i=4, k = 8 * 4 * 4;i < 8;i++){
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)cc;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+
+ // tile {1, -1}
+ byteData = ((DataBufferByte)tile[2][0].getDataBuffer()).getData();
+ for (i=4, k = 8 * 4 * 4;i < 8;i++, k+= 16){
+ for (j=0;j < 4;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+
+ // tile {-2, 0}
+ byteData = ((DataBufferByte)tile[0][1].getDataBuffer()).getData();
+ for (i=0, k = 16;i < 4;i++, k+=16){
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)cc;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+ for (i=4, k = 8*4*4+16;i < 8;i++, k+=16){
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)0 ;
+ }
+ }
+ // tile {-1, 0}
+ byteData = ((DataBufferByte)tile[1][1].getDataBuffer()).getData();
+ for (i=0, k = 0;i < 4;i++){
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)cc;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+ for (i=0, k = 8 * 4 * 4;i < 4;i++){
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)0 ;
+ }
+
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)cc ;
+ }
+
+ }
+
+
+ // tile {0, 0}
+ byteData = ((DataBufferByte)tile[2][1].getDataBuffer()).getData();
+ for (i=0, k = 0;i < 4;i++, k+= 16) {
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+ for (i=4, k = 8 * 4* 4;i < 8;i++, k+= 16) {
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+
+
+ // tile {-2, 1}
+ byteData = ((DataBufferByte)tile[0][2].getDataBuffer()).getData();
+ for (i=4, k = 16;i < 8;i++, k+= 16) {
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)0 ;
+ }
+ }
+
+
+ // tile {-1, 1}
+ byteData = ((DataBufferByte)tile[1][2].getDataBuffer()).getData();
+ for (i=0, k = 0;i < 8;i++) {
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)0 ;
+ }
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+
+
+
+ // tile {0, 1}
+ byteData = ((DataBufferByte)tile[2][2].getDataBuffer()).getData();
+ for (i=4, k = 0;i < 8;i++, k+= 16) {
+ for (j=4;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+
+ bigTile = Raster.createInterleavedRaster(DataBuffer.TYPE_BYTE, 16, 16 , 64, 4, bandOffset, null);;
+ byteData = ((DataBufferByte)bigTile.getDataBuffer()).getData();
+ for (i=0, k = 0;i < 8;i++){
+ for (j=0;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)cc;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ for (;j < 16;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)0;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+ for (;i < 16;i++){
+ for (j=0;j < 8;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)0;
+ }
+ for (;j < 16;j++, k+=4){
+ byteData[k] = (byte)0;
+ byteData[k+1] = (byte)0;
+ byteData[k+2] = (byte)cc;
+ byteData[k+3] = (byte)cc ;
+ }
+ }
+ checkBoard = new BufferedImage(colorModel, bigTile, false, null);
+ }
+
+
+
+ // create four tiles {r, g, b, y}
+ public WritableRaster copyData(WritableRaster raster) {
+ return checkBoard.copyData(raster);
+ }
+
+ public ColorModel getColorModel() {
+ return checkBoard.getColorModel();
+ }
+
+ public Raster getData() {
+ return checkBoard.getData();
+ }
+
+ public Raster getData(Rectangle rect) {
+ return checkBoard.getData(rect);
+ }
+
+ public int getHeight() {
+ return 16;
+ }
+
+ public int getMinTileX() {
+ return minX;
+ }
+
+ public int getMinTileY() {
+ return minY;
+ }
+
+ public int getMinX () {
+ return -8;
+ }
+
+ public int getMinY () {
+ return -8;
+ }
+
+ public int getNumXTiles() {
+ return 3;
+ }
+
+ public int getNumYTiles() {
+ return 3;
+ }
+
+ public Object getProperty(String name) {
+ return checkBoard.getProperty(name);
+ }
+
+ public String[] getPropertyNames() {
+ return checkBoard.getPropertyNames();
+ }
+
+
+ public SampleModel getSampleModel() {
+ return checkBoard.getSampleModel();
+ }
+
+ public Vector getSources() {
+ return null;
+ }
+
+ public Raster getTile(int tileX, int tileY) {
+ return tile[tileX- minX][tileY - minY];
+ }
+
+ public int getTileGridXOffset() {
+ return 4;
+ }
+
+ public int getTileGridYOffset() {
+ return -4;
+ }
+
+
+ public int getTileHeight() {
+ return 8;
+ }
+
+
+ public int getTileWidth() {
+ return 8;
+ }
+
+ public int getWidth() {
+ return 16;
+ }
+}
+
+
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