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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.assetstudiolib;
     18 
     19 import com.android.assetstudiolib.Util.Effect;
     20 import com.android.assetstudiolib.Util.FillEffect;
     21 import com.android.assetstudiolib.Util.ShadowEffect;
     22 
     23 import java.awt.Color;
     24 import java.awt.GradientPaint;
     25 import java.awt.Graphics2D;
     26 import java.awt.Rectangle;
     27 import java.awt.image.BufferedImage;
     28 
     29 /**
     30  * A {@link GraphicGenerator} that generates Android "menu" icons.
     31  */
     32 public class MenuIconGenerator extends GraphicGenerator {
     33     /** Creates a menu icon generator */
     34     public MenuIconGenerator() {
     35     }
     36 
     37     @Override
     38     public BufferedImage generate(GraphicGeneratorContext context, Options options) {
     39         Rectangle imageSizeHdpi = new Rectangle(0, 0, 72, 72);
     40         Rectangle targetRectHdpi = new Rectangle(12, 12, 48, 48);
     41         float scaleFactor = GraphicGenerator.getHdpiScaleFactor(options.density);
     42         Rectangle imageRect = Util.scaleRectangle(imageSizeHdpi, scaleFactor);
     43         Rectangle targetRect = Util.scaleRectangle(targetRectHdpi, scaleFactor);
     44 
     45         BufferedImage outImage = Util.newArgbBufferedImage(imageRect.width, imageRect.height);
     46         Graphics2D g = (Graphics2D) outImage.getGraphics();
     47 
     48         BufferedImage tempImage = Util.newArgbBufferedImage(
     49                 imageRect.width, imageRect.height);
     50         Graphics2D g2 = (Graphics2D) tempImage.getGraphics();
     51         Util.drawCenterInside(g2, options.sourceImage, targetRect);
     52 
     53         Util.drawEffects(g, tempImage, 0, 0, new Effect[] {
     54                 new FillEffect(
     55                         new GradientPaint(
     56                                 0, 0,
     57                                 new Color(0xa3a3a3),
     58                                 0, imageRect.height,
     59                                 new Color(0x787878))),
     60                 new ShadowEffect(
     61                         0,
     62                         3 * scaleFactor,
     63                         3 * scaleFactor,
     64                         Color.BLACK,
     65                         0.2,
     66                         true),
     67                 new ShadowEffect(
     68                         0,
     69                         1,
     70                         0,
     71                         Color.BLACK,
     72                         0.35,
     73                         true),
     74                 new ShadowEffect(
     75                         0,
     76                         -1,
     77                         0,
     78                         Color.WHITE,
     79                         0.35,
     80                         true),
     81         });
     82 
     83         g.dispose();
     84         g2.dispose();
     85 
     86         return outImage;
     87     }
     88 }
     89