1a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy/* 2a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * Copyright (C) 2010 The Android Open Source Project 3a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * 4a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * Licensed under the Apache License, Version 2.0 (the "License"); 5a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * you may not use this file except in compliance with the License. 6a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * You may obtain a copy of the License at 7a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * 8a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * http://www.apache.org/licenses/LICENSE-2.0 9a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * 10a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * Unless required by applicable law or agreed to in writing, software 11a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * distributed under the License is distributed on an "AS IS" BASIS, 12a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * See the License for the specific language governing permissions and 14a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy * limitations under the License. 15a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy */ 16a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 17a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 18f607bdc167f66b3e7003acaa4736ae46d78c1492Romain Guypackage com.android.test.hwui; 19a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 20a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.app.Activity; 21a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.content.Context; 22a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.Bitmap; 23a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.BitmapFactory; 24a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.Canvas; 25a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.Color; 26a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.LinearGradient; 27a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.Paint; 28a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.PorterDuff; 29a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.PorterDuffXfermode; 30a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.graphics.Shader; 31a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.os.Bundle; 32a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guyimport android.view.View; 33a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 34a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy@SuppressWarnings({"UnusedDeclaration"}) 35a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guypublic class FramebufferBlendActivity extends Activity { 36a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy @Override 37a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy protected void onCreate(Bundle savedInstanceState) { 38a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy super.onCreate(savedInstanceState); 39a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 40a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy setContentView(new BlendView(this)); 41a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 42a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 43a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy static class BlendView extends View { 44a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy private int mTexWidth; 45a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy private int mTexHeight; 46a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy private Paint mPaint; 47a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy private LinearGradient mHorGradient; 48a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy private Bitmap mTexture; 49a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 50a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy BlendView(Context c) { 51a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy super(c); 52a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 53a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mTexture = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1); 54a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mTexWidth = mTexture.getWidth(); 55a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mTexHeight = mTexture.getHeight(); 56a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 57a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mHorGradient = new LinearGradient(0.0f, 0.0f, mTexWidth, 0.0f, 58a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy Color.BLACK, Color.WHITE, Shader.TileMode.CLAMP); 59a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 60a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint = new Paint(); 61a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 62a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 63a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy @Override 64a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy protected void onDraw(Canvas canvas) { 65a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy super.onDraw(canvas); 66a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.drawRGB(255, 255, 255); 67a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 68a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.save(); 69a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.translate(40.0f, 40.0f); 70a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 71a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy drawBlendedBitmap(canvas, PorterDuff.Mode.DARKEN); 72a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy drawBlendedBitmap(canvas, PorterDuff.Mode.LIGHTEN); 73a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy drawBlendedBitmap(canvas, PorterDuff.Mode.MULTIPLY); 74a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 75a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.restore(); 76a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 77a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.save(); 78a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.translate(40.0f + mTexWidth + 40.0f, 40.0f); 79a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 80a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy drawBlendedBitmap(canvas, PorterDuff.Mode.SCREEN); 81a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy drawBlendedBitmap(canvas, PorterDuff.Mode.ADD); 82a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy drawBlendedBitmapInverse(canvas, PorterDuff.Mode.OVERLAY); 83a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 84a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.restore(); 85a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 86a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 87a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy private void drawBlendedBitmap(Canvas canvas, PorterDuff.Mode mode) { 88a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setShader(null); 89a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setXfermode(null); 90a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.drawBitmap(mTexture, 0.0f, 0.0f, mPaint); 91a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 92a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setShader(mHorGradient); 93a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setXfermode(new PorterDuffXfermode(mode)); 94a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.drawRect(0.0f, 0.0f, mTexWidth, mTexHeight, mPaint); 95a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 96a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.translate(0.0f, 40.0f + mTexHeight); 97a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 98a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 99a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy private void drawBlendedBitmapInverse(Canvas canvas, PorterDuff.Mode mode) { 100a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setXfermode(null); 101a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setShader(mHorGradient); 102a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.drawRect(0.0f, 0.0f, mTexWidth, mTexHeight, mPaint); 103a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 104a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setXfermode(new PorterDuffXfermode(mode)); 105a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy mPaint.setShader(null); 106a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.drawBitmap(mTexture, 0.0f, 0.0f, mPaint); 107a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy 108a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy canvas.translate(0.0f, 40.0f + mTexHeight); 109a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 110a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy } 111a5aed0d58962a24c44728ffc46dc9e1ba2f9fda5Romain Guy} 112