Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2010 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 | |
Romain Guy | f607bdc | 2010-09-10 19:20:06 -0700 | [diff] [blame] | 17 | package com.android.test.hwui; |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 18 | |
| 19 | import android.app.Activity; |
| 20 | import android.content.Context; |
| 21 | import android.graphics.Bitmap; |
| 22 | import android.graphics.BitmapFactory; |
| 23 | import android.graphics.BitmapShader; |
| 24 | import android.graphics.Canvas; |
| 25 | import android.graphics.Color; |
| 26 | import android.graphics.LinearGradient; |
| 27 | import android.graphics.Matrix; |
| 28 | import android.graphics.Paint; |
| 29 | import android.graphics.Shader; |
| 30 | import android.os.Bundle; |
| 31 | import android.view.View; |
| 32 | |
| 33 | @SuppressWarnings({"UnusedDeclaration"}) |
| 34 | public class ShadersActivity extends Activity { |
| 35 | @Override |
| 36 | protected void onCreate(Bundle savedInstanceState) { |
| 37 | super.onCreate(savedInstanceState); |
| 38 | |
| 39 | setContentView(new ShadersView(this)); |
| 40 | } |
| 41 | |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 42 | public static class ShadersView extends View { |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 43 | private BitmapShader mRepeatShader; |
| 44 | private BitmapShader mTranslatedShader; |
| 45 | private BitmapShader mScaledShader; |
| 46 | private int mTexWidth; |
| 47 | private int mTexHeight; |
| 48 | private Paint mPaint; |
| 49 | private float mDrawWidth; |
| 50 | private float mDrawHeight; |
| 51 | private LinearGradient mHorGradient; |
| 52 | private LinearGradient mDiagGradient; |
| 53 | private LinearGradient mVertGradient; |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 54 | private Bitmap mTexture; |
Xavier Ducrohet | 63fd871 | 2010-12-21 01:33:04 -0800 | [diff] [blame] | 55 | private Matrix mMtx1; |
| 56 | private Matrix mMtx2; |
| 57 | private Matrix mMtx3; |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 58 | |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 59 | public ShadersView(Context c) { |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 60 | super(c); |
| 61 | |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 62 | mTexture = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1); |
| 63 | mTexWidth = mTexture.getWidth(); |
| 64 | mTexHeight = mTexture.getHeight(); |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 65 | mDrawWidth = mTexWidth * 2.2f; |
| 66 | mDrawHeight = mTexHeight * 1.2f; |
| 67 | |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 68 | mRepeatShader = new BitmapShader(mTexture, Shader.TileMode.REPEAT, |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 69 | Shader.TileMode.REPEAT); |
| 70 | |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 71 | mTranslatedShader = new BitmapShader(mTexture, Shader.TileMode.REPEAT, |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 72 | Shader.TileMode.REPEAT); |
Xavier Ducrohet | 63fd871 | 2010-12-21 01:33:04 -0800 | [diff] [blame] | 73 | mMtx1 = new Matrix(); |
| 74 | mMtx1.setTranslate(mTexWidth / 2.0f, mTexHeight / 2.0f); |
| 75 | mMtx1.postRotate(45, 0, 0); |
| 76 | mTranslatedShader.setLocalMatrix(mMtx1); |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 77 | |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 78 | mScaledShader = new BitmapShader(mTexture, Shader.TileMode.MIRROR, |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 79 | Shader.TileMode.MIRROR); |
Xavier Ducrohet | 63fd871 | 2010-12-21 01:33:04 -0800 | [diff] [blame] | 80 | mMtx2 = new Matrix(); |
| 81 | mMtx2.setScale(0.5f, 0.5f); |
| 82 | mScaledShader.setLocalMatrix(mMtx2); |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 83 | |
Romain Guy | 0bb5667 | 2010-10-01 00:25:02 -0700 | [diff] [blame] | 84 | mHorGradient = new LinearGradient(0.0f, 0.0f, 1.0f, 0.0f, |
Romain Guy | ae5575b | 2010-07-29 18:48:04 -0700 | [diff] [blame] | 85 | Color.RED, Color.GREEN, Shader.TileMode.CLAMP); |
Xavier Ducrohet | 63fd871 | 2010-12-21 01:33:04 -0800 | [diff] [blame] | 86 | mMtx3 = new Matrix(); |
| 87 | mMtx3.setScale(mDrawHeight, 1.0f); |
| 88 | mMtx3.postRotate(-90.0f); |
| 89 | mMtx3.postTranslate(0.0f, mDrawHeight); |
| 90 | mHorGradient.setLocalMatrix(mMtx3); |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 91 | |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 92 | mDiagGradient = new LinearGradient(0.0f, 0.0f, mDrawWidth / 1.5f, mDrawHeight, |
| 93 | Color.BLUE, Color.MAGENTA, Shader.TileMode.CLAMP); |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 94 | |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 95 | mVertGradient = new LinearGradient(0.0f, 0.0f, 0.0f, mDrawHeight / 2.0f, |
| 96 | Color.YELLOW, Color.MAGENTA, Shader.TileMode.MIRROR); |
| 97 | |
| 98 | mPaint = new Paint(); |
| 99 | } |
| 100 | |
| 101 | @Override |
| 102 | protected void onDraw(Canvas canvas) { |
| 103 | super.onDraw(canvas); |
Romain Guy | c0ac193 | 2010-07-19 18:43:02 -0700 | [diff] [blame] | 104 | //canvas.drawRGB(255, 255, 255); |
Romain Guy | 8164c2d | 2010-10-25 18:03:28 -0700 | [diff] [blame] | 105 | canvas.drawBitmap(mTexture, 0.0f, 0.0f, null); |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 106 | |
| 107 | // Bitmap shaders |
| 108 | canvas.save(); |
| 109 | canvas.translate(40.0f, 40.0f); |
| 110 | |
| 111 | mPaint.setShader(mRepeatShader); |
| 112 | canvas.drawRect(0.0f, 0.0f, mDrawWidth, mDrawHeight, mPaint); |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 113 | |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 114 | canvas.translate(0.0f, 40.0f + mDrawHeight); |
| 115 | mPaint.setShader(mTranslatedShader); |
| 116 | canvas.drawRect(0.0f, 0.0f, mDrawWidth, mDrawHeight, mPaint); |
| 117 | |
| 118 | canvas.translate(0.0f, 40.0f + mDrawHeight); |
| 119 | mPaint.setShader(mScaledShader); |
| 120 | canvas.drawRect(0.0f, 0.0f, mDrawWidth, mDrawHeight, mPaint); |
| 121 | |
| 122 | canvas.restore(); |
| 123 | |
| 124 | // Gradients |
| 125 | canvas.save(); |
| 126 | canvas.translate(40.0f + mDrawWidth + 40.0f, 40.0f); |
| 127 | |
| 128 | mPaint.setShader(mHorGradient); |
| 129 | canvas.drawRect(0.0f, 0.0f, mDrawWidth, mDrawHeight, mPaint); |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 130 | |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 131 | canvas.translate(0.0f, 40.0f + mDrawHeight); |
| 132 | mPaint.setShader(mDiagGradient); |
| 133 | canvas.drawRect(0.0f, 0.0f, mDrawWidth, mDrawHeight, mPaint); |
| 134 | |
| 135 | canvas.translate(0.0f, 40.0f + mDrawHeight); |
| 136 | mPaint.setShader(mVertGradient); |
| 137 | canvas.drawRect(0.0f, 0.0f, mDrawWidth, mDrawHeight, mPaint); |
Xavier Ducrohet | d348b6e | 2010-12-20 08:22:47 -0800 | [diff] [blame] | 138 | |
Romain Guy | d27977d | 2010-07-14 19:18:51 -0700 | [diff] [blame] | 139 | canvas.restore(); |
| 140 | } |
| 141 | } |
| 142 | } |