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      1 /*
      2  * Copyright (C) 2012 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.test.hwuicompare;
     18 
     19 import com.android.test.hwuicompare.R;
     20 
     21 import android.content.res.Resources;
     22 import android.graphics.Bitmap;
     23 import android.graphics.BitmapFactory;
     24 import android.graphics.BitmapShader;
     25 import android.graphics.Color;
     26 import android.graphics.LinearGradient;
     27 import android.graphics.Matrix;
     28 import android.graphics.Shader;
     29 
     30 public class ResourceModifiers {
     31         public final BitmapShader mRepeatShader;
     32         public final BitmapShader mTranslatedShader;
     33         public final BitmapShader mScaledShader;
     34         private final int mTexWidth;
     35         private final int mTexHeight;
     36         private final float mDrawWidth;
     37         private final float mDrawHeight;
     38         public final LinearGradient mHorGradient;
     39         public final LinearGradient mDiagGradient;
     40         public final LinearGradient mVertGradient;
     41         public final Bitmap mBitmap;
     42         private final Matrix mMtx1;
     43         private final Matrix mMtx2;
     44         private final Matrix mMtx3;
     45 
     46         public final float[] mBitmapVertices;
     47         public final int[] mBitmapColors;
     48 
     49         private static ResourceModifiers sInstance = null;
     50         public static ResourceModifiers instance() { return sInstance; }
     51         public static void init(Resources resources) {
     52             sInstance = new ResourceModifiers(resources);
     53         }
     54 
     55         public ResourceModifiers(Resources resources) {
     56             mBitmap = BitmapFactory.decodeResource(resources, R.drawable.sunset1);
     57             mTexWidth = mBitmap.getWidth();
     58             mTexHeight = mBitmap.getHeight();
     59 
     60             mDrawWidth = resources.getDimensionPixelSize(R.dimen.layer_width);
     61             mDrawHeight = resources.getDimensionPixelSize(R.dimen.layer_height);
     62 
     63             mRepeatShader = new BitmapShader(mBitmap, Shader.TileMode.REPEAT,
     64                     Shader.TileMode.REPEAT);
     65 
     66             mTranslatedShader = new BitmapShader(mBitmap, Shader.TileMode.REPEAT,
     67                     Shader.TileMode.REPEAT);
     68             mMtx1 = new Matrix();
     69             mMtx1.setTranslate(mTexWidth / 2.0f, mTexHeight / 2.0f);
     70             mMtx1.postRotate(45, 0, 0);
     71             mTranslatedShader.setLocalMatrix(mMtx1);
     72 
     73             mScaledShader = new BitmapShader(mBitmap, Shader.TileMode.MIRROR,
     74                     Shader.TileMode.MIRROR);
     75             mMtx2 = new Matrix();
     76             mMtx2.setScale(0.5f, 0.5f);
     77             mScaledShader.setLocalMatrix(mMtx2);
     78 
     79             mHorGradient = new LinearGradient(0.0f, 0.0f, 1.0f, 0.0f,
     80                     Color.RED, Color.GREEN, Shader.TileMode.CLAMP);
     81             mMtx3 = new Matrix();
     82             mMtx3.setScale(mDrawHeight, 1.0f);
     83             mMtx3.postRotate(-90.0f);
     84             mMtx3.postTranslate(0.0f, mDrawHeight);
     85             mHorGradient.setLocalMatrix(mMtx3);
     86 
     87             mDiagGradient = new LinearGradient(0.0f, 0.0f, mDrawWidth / 2.0f, mDrawHeight / 2.0f,
     88                     Color.BLUE, Color.RED, Shader.TileMode.CLAMP);
     89 
     90             mVertGradient = new LinearGradient(0.0f, 0.0f, 0.0f, mDrawHeight / 2.0f,
     91                     Color.YELLOW, Color.MAGENTA, Shader.TileMode.MIRROR);
     92 
     93             final float width = mBitmap.getWidth() / 8.0f;
     94             final float height = mBitmap.getHeight() / 8.0f;
     95 
     96             mBitmapVertices = new float[] {
     97                 0.0f, 0.0f, width, 0.0f, width * 2, 0.0f, width * 3, 0.0f,
     98                 0.0f, height, width, height, width * 2, height, width * 4, height,
     99                 0.0f, height * 2, width, height * 2, width * 2, height * 2, width * 3, height * 2,
    100                 0.0f, height * 4, width, height * 4, width * 2, height * 4, width * 4, height * 4,
    101             };
    102 
    103             mBitmapColors = new int[] {
    104                 0xffff0000, 0xff00ff00, 0xff0000ff, 0xffff0000,
    105                 0xff0000ff, 0xffff0000, 0xff00ff00, 0xff00ff00,
    106                 0xff00ff00, 0xff0000ff, 0xffff0000, 0xff00ff00,
    107                 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00ff0000,
    108             };
    109         }
    110 
    111 }
    112