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.ComposeShader;
27 import android.graphics.LinearGradient;
28 import android.graphics.PorterDuff;
29 import android.graphics.RadialGradient;
30 import android.graphics.SweepGradient;
31 import android.graphics.Matrix;
32 import android.graphics.Shader;
33 
34 public class ResourceModifiers {
35         public final BitmapShader mRepeatShader;
36         public final BitmapShader mTranslatedShader;
37         public final BitmapShader mScaledShader;
38         private final int mTexWidth;
39         private final int mTexHeight;
40         private final float mDrawWidth;
41         private final float mDrawHeight;
42         public final LinearGradient mHorGradient;
43         public final LinearGradient mDiagGradient;
44         public final LinearGradient mVertGradient;
45         public final RadialGradient mRadGradient;
46         public final SweepGradient mSweepGradient;
47         public final ComposeShader mComposeShader;
48         public final ComposeShader mBadComposeShader;
49         public final ComposeShader mAnotherBadComposeShader;
50         public final Bitmap mBitmap;
51         private final Matrix mMtx1;
52         private final Matrix mMtx2;
53         private final Matrix mMtx3;
54 
55         public final float[] mBitmapVertices;
56         public final int[] mBitmapColors;
57 
58         private static ResourceModifiers sInstance = null;
instance()59         public static ResourceModifiers instance() { return sInstance; }
init(Resources resources)60         public static void init(Resources resources) {
61             sInstance = new ResourceModifiers(resources);
62         }
63 
ResourceModifiers(Resources resources)64         public ResourceModifiers(Resources resources) {
65             mBitmap = BitmapFactory.decodeResource(resources, R.drawable.sunset1);
66             mTexWidth = mBitmap.getWidth();
67             mTexHeight = mBitmap.getHeight();
68 
69             mDrawWidth = resources.getDimensionPixelSize(R.dimen.layer_width);
70             mDrawHeight = resources.getDimensionPixelSize(R.dimen.layer_height);
71 
72             mRepeatShader = new BitmapShader(mBitmap, Shader.TileMode.REPEAT,
73                     Shader.TileMode.REPEAT);
74 
75             mTranslatedShader = new BitmapShader(mBitmap, Shader.TileMode.REPEAT,
76                     Shader.TileMode.REPEAT);
77             mMtx1 = new Matrix();
78             mMtx1.setTranslate(mTexWidth / 2.0f, mTexHeight / 2.0f);
79             mMtx1.postRotate(45, 0, 0);
80             mTranslatedShader.setLocalMatrix(mMtx1);
81 
82             mScaledShader = new BitmapShader(mBitmap, Shader.TileMode.MIRROR,
83                     Shader.TileMode.MIRROR);
84             mMtx2 = new Matrix();
85             mMtx2.setScale(0.5f, 0.5f);
86             mScaledShader.setLocalMatrix(mMtx2);
87 
88             mHorGradient = new LinearGradient(0.0f, 0.0f, 1.0f, 0.0f,
89                     Color.RED, Color.GREEN, Shader.TileMode.CLAMP);
90             mMtx3 = new Matrix();
91             mMtx3.setScale(mDrawHeight, 1.0f);
92             mMtx3.postRotate(-90.0f);
93             mMtx3.postTranslate(0.0f, mDrawHeight);
94             mHorGradient.setLocalMatrix(mMtx3);
95 
96             mDiagGradient = new LinearGradient(0.0f, 0.0f, mDrawWidth / 2.0f, mDrawHeight / 2.0f,
97                     Color.BLUE, Color.RED, Shader.TileMode.CLAMP);
98 
99             mVertGradient = new LinearGradient(0.0f, 0.0f, 0.0f, mDrawHeight / 2.0f,
100                     Color.YELLOW, Color.MAGENTA, Shader.TileMode.MIRROR);
101 
102             mSweepGradient = new SweepGradient(mDrawWidth / 2.0f, mDrawHeight / 2.0f,
103                     Color.YELLOW, Color.MAGENTA);
104 
105             mComposeShader = new ComposeShader(mRepeatShader, mHorGradient,
106                     PorterDuff.Mode.MULTIPLY);
107 
108             final float width = mBitmap.getWidth() / 8.0f;
109             final float height = mBitmap.getHeight() / 8.0f;
110 
111             mBitmapVertices = new float[] {
112                 0.0f, 0.0f, width, 0.0f, width * 2, 0.0f, width * 3, 0.0f,
113                 0.0f, height, width, height, width * 2, height, width * 4, height,
114                 0.0f, height * 2, width, height * 2, width * 2, height * 2, width * 3, height * 2,
115                 0.0f, height * 4, width, height * 4, width * 2, height * 4, width * 4, height * 4,
116             };
117 
118             mBitmapColors = new int[] {
119                 0xffff0000, 0xff00ff00, 0xff0000ff, 0xffff0000,
120                 0xff0000ff, 0xffff0000, 0xff00ff00, 0xff00ff00,
121                 0xff00ff00, 0xff0000ff, 0xffff0000, 0xff00ff00,
122                 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00ff0000,
123             };
124 
125             // Use a repeating gradient with many colors to test the non simple case.
126             mRadGradient = new RadialGradient(mDrawWidth / 4.0f, mDrawHeight / 4.0f, 4.0f,
127                     mBitmapColors, null, Shader.TileMode.REPEAT);
128 
129             mBadComposeShader = new ComposeShader(mRadGradient, mComposeShader,
130                     PorterDuff.Mode.MULTIPLY);
131 
132             mAnotherBadComposeShader = new ComposeShader(mRadGradient, mVertGradient,
133                     PorterDuff.Mode.MULTIPLY);
134         }
135 
136 }
137