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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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.android.assetstudiolib;
import com.android.resources.Density;
import java.awt.AlphaComposite;
import java.awt.Color;
import java.awt.Graphics2D;
import java.awt.Rectangle;
import java.awt.image.BufferedImage;
/**
* A {@link GraphicGenerator} that generates Android "launcher" icons.
*/
public class LauncherIconGenerator extends GraphicGenerator {
private static final Rectangle BASE_IMAGE_RECT = new Rectangle(0, 0, 48, 48);
private static final Rectangle BASE_TARGET_RECT = new Rectangle(4, 4, 40, 40);
private Options mOptions;
private BufferedImage mBackImage;
private BufferedImage mMaskImage;
private BufferedImage mForeImage;
public LauncherIconGenerator(GraphicGeneratorContext context, Options options) {
mOptions = options;
mBackImage = context.loadImageResource("/images/launcher_stencil/"
+ options.shape.id + "/" + options.density.getResourceValue() + "/back.png");
mForeImage = context.loadImageResource("/images/launcher_stencil/"
+ options.shape.id + "/" + options.density.getResourceValue() + "/"
+ options.style.id + ".png");
mMaskImage = context.loadImageResource("/images/launcher_stencil/"
+ options.shape.id + "/" + options.density.getResourceValue() + "/mask.png");
}
public BufferedImage generate() {
final float scaleFactor = GraphicGenerator.getScaleFactor(mOptions.density);
Rectangle imageRect = Util.scaleRectangle(BASE_IMAGE_RECT, scaleFactor);
Rectangle targetRect = Util.scaleRectangle(BASE_TARGET_RECT, scaleFactor);
BufferedImage outImage = Util.newArgbBufferedImage(imageRect.width, imageRect.height);
Graphics2D g = (Graphics2D) outImage.getGraphics();
g.drawImage(mBackImage, 0, 0, null);
{
BufferedImage tempImage = Util.newArgbBufferedImage(imageRect.width, imageRect.height);
Graphics2D g2 = (Graphics2D) tempImage.getGraphics();
g2.drawImage(mMaskImage, 0, 0, null);
g2.setComposite(AlphaComposite.SrcAtop);
g2.setPaint(new Color(mOptions.backgroundColor));
g2.fillRect(0, 0, imageRect.width, imageRect.height);
if (mOptions.crop) {
Util.drawCenterCrop(g2, mOptions.sourceImage, targetRect);
} else {
Util.drawCenterInside(g2, mOptions.sourceImage, targetRect);
}
g.drawImage(tempImage, 0, 0, null);
}
g.drawImage(mForeImage, 0, 0, null);
return outImage;
}
public static class Options {
public BufferedImage sourceImage;
public int backgroundColor = 0;
public boolean crop = true;
public Shape shape = Shape.SQUARE;
public Style style = Style.SIMPLE;
public Density density = Density.XHIGH;
public static enum Shape {
CIRCLE("circle"), SQUARE("square");
public String id;
Shape(String id) {
this.id = id;
}
}
public static enum Style {
SIMPLE("fore1"), FANCY("fore2"), GLOSSY("fore3");
public String id;
Style(String id) {
this.id = id;
}
}
}
}
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