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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Eclipse Public License, Version 1.0 (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.eclipse.org/org/documents/epl-v10.php
      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 package com.android.assetstudiolib;
     17 
     18 import com.android.assetstudiolib.Util.Effect;
     19 import com.android.assetstudiolib.Util.FillEffect;
     20 
     21 import java.awt.Color;
     22 import java.awt.Graphics2D;
     23 import java.awt.Rectangle;
     24 import java.awt.image.BufferedImage;
     25 
     26 /**
     27  * Generate icons for the action bar
     28  */
     29 public class ActionBarIconGenerator extends GraphicGenerator {
     30 
     31     /** Creates a new {@link ActionBarIconGenerator} */
     32     public ActionBarIconGenerator() {
     33     }
     34 
     35     @Override
     36     public BufferedImage generate(GraphicGeneratorContext context, Options options) {
     37         Rectangle iconSizeMdpi = new Rectangle(0, 0, 32, 32);
     38         Rectangle targetRectMdpi = new Rectangle(4, 4, 24, 24);
     39         final float scaleFactor = GraphicGenerator.getMdpiScaleFactor(options.density);
     40         Rectangle imageRect = Util.scaleRectangle(iconSizeMdpi, scaleFactor);
     41         Rectangle targetRect = Util.scaleRectangle(targetRectMdpi, scaleFactor);
     42         BufferedImage outImage = Util.newArgbBufferedImage(imageRect.width, imageRect.height);
     43         Graphics2D g = (Graphics2D) outImage.getGraphics();
     44 
     45         BufferedImage tempImage = Util.newArgbBufferedImage(
     46                 imageRect.width, imageRect.height);
     47         Graphics2D g2 = (Graphics2D) tempImage.getGraphics();
     48         Util.drawCenterInside(g2, options.sourceImage, targetRect);
     49 
     50         ActionBarOptions actionBarOptions = (ActionBarOptions) options;
     51         if (actionBarOptions.theme == Theme.HOLO_LIGHT) {
     52             Util.drawEffects(g, tempImage, 0, 0, new Effect[] {
     53                     new FillEffect(new Color(0x333333), 0.6),
     54             });
     55         } else {
     56             assert actionBarOptions.theme == Theme.HOLO_DARK;
     57             Util.drawEffects(g, tempImage, 0, 0, new Effect[] {
     58                     new FillEffect(new Color(0xFFFFFF), 0.8)
     59             });
     60         }
     61 
     62         g.dispose();
     63         g2.dispose();
     64 
     65         return outImage;
     66     }
     67 
     68     /** Options specific to generating action bar icons */
     69     public static class ActionBarOptions extends GraphicGenerator.Options {
     70         /** The theme to generate icons for */
     71         public Theme theme = Theme.HOLO_LIGHT;
     72     }
     73 
     74     /** The themes to generate action bar icons for */
     75     public enum Theme {
     76         /** Theme.Holo - a dark (and default) version of the Honeycomb theme */
     77         HOLO_DARK,
     78 
     79         /** Theme.HoloLight - a light version of the Honeycomb theme */
     80         HOLO_LIGHT;
     81     }
     82 }
     83