de.codesourcery.jasm16.emulator.devices.impl.RawImage.java Source code

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Here is the source code for de.codesourcery.jasm16.emulator.devices.impl.RawImage.java

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/**
 * Copyright 2012 Tobias Gierke <tobias.gierke@code-sourcery.de>
 *
 * 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 de.codesourcery.jasm16.emulator.devices.impl;

import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.DataBufferInt;
import java.awt.image.DirectColorModel;
import java.awt.image.Raster;
import java.awt.image.SampleModel;
import java.awt.image.WritableRaster;
import java.util.HashSet;
import java.util.Set;

import org.apache.commons.lang.ArrayUtils;

/**
 * 24-bit RGB iamge backed by a <code>IntegerInterleavedRaster</code>.
 *
 * @author tobias.gierke@code-sourcery.de
 */
public final class RawImage {
    private final BufferedImage image;
    private final int[] data;

    public RawImage(int width, int height) {
        data = new int[width * height];

        final DataBufferInt dataBuffer = new DataBufferInt(data, width * height);

        final ColorModel cm = new DirectColorModel(24, 0xff0000, 0xff00, 0xff);
        final SampleModel sm = cm.createCompatibleSampleModel(width, height);
        final WritableRaster wr = Raster.createWritableRaster(sm, dataBuffer, null);

        image = new BufferedImage(cm, wr, false, null);
    }

    public int[] getUniqueColors() {
        final Set<Integer> result = new HashSet<Integer>();
        for (int i = 0; i < data.length; i++) {
            result.add(data[i]);
        }
        return ArrayUtils.toPrimitive(result.toArray(new Integer[result.size()]));
    }

    public void fill(Color fillColor) {
        getGraphics().setColor(fillColor);
        getGraphics().fillRect(0, 0, getWidth(), getHeight());
    }

    public int getWidth() {
        return image.getWidth();
    }

    public int getHeight() {
        return image.getHeight();
    }

    public BufferedImage getImage() {
        return image;
    }

    public Graphics2D getGraphics() {
        return (Graphics2D) image.getGraphics();
    }

    public int[] getBackingArray() {
        return data;
    }
}