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/*
Copyright 2006 Jerry Huxtable
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package com.jhlabs.image;
import java.awt.*;
import java.awt.image.*;
public class TileImageFilter extends AbstractBufferedImageOp implements java.io.Serializable {
static final long serialVersionUID = 4926390225069192478L;
public static final int FLIP_NONE = 0;
public static final int FLIP_H = 1;
public static final int FLIP_V = 2;
public static final int FLIP_HV = 3;
public static final int FLIP_180 = 4;
private int width;
private int height;
private int tileWidth;
private int tileHeight;
public TileImageFilter() {
this(32, 32);
}
public TileImageFilter(int width, int height) {
this.width = width;
this.height = height;
}
public void setWidth(int width) {
this.width = width;
}
public int getWidth() {
return width;
}
public void setHeight(int height) {
this.height = height;
}
public int getHeight() {
return height;
}
public BufferedImage filter( BufferedImage src, BufferedImage dst ) {
int tileWidth = src.getWidth();
int tileHeight = src.getHeight();
if ( dst == null ) {
ColorModel dstCM = src.getColorModel();
dst = new BufferedImage(dstCM, dstCM.createCompatibleWritableRaster(width, height), dstCM.isAlphaPremultiplied(), null);
}
Graphics2D g = dst.createGraphics();
for ( int y = 0; y < height; y += tileHeight) {
for ( int x = 0; x < width; x += tileWidth ) {
g.drawImage( src, null, x, y );
}
}
g.dispose();
return dst;
}
private int[][] symmetryMatrix = null;
private int symmetryRows = 2, symmetryCols = 2;
public void setSymmetryMatrix(int[][] symmetryMatrix) {
this.symmetryMatrix = symmetryMatrix;
symmetryRows = symmetryMatrix.length;
symmetryCols = symmetryMatrix[0].length;
}
public int[][] getSymmetryMatrix() {
return symmetryMatrix;
}
public String toString() {
return "Tile";
}
}
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