1 /* 2 * Copyright (C) 2008 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 android.graphics.cts; 18 19 import junit.framework.TestCase; 20 import android.graphics.Bitmap; 21 import android.graphics.Canvas; 22 import android.graphics.LayerRasterizer; 23 import android.graphics.Paint; 24 import android.graphics.Rasterizer; 25 26 public class LayerRasterizerTest extends TestCase { 27 private final static int BITMAP_WIDTH = 16; 28 private final static int BITMAP_HEIGHT = 16; 29 30 private void exerciseRasterizer(Rasterizer rasterizer) { 31 Bitmap bm = Bitmap.createBitmap(BITMAP_WIDTH, BITMAP_HEIGHT, Bitmap.Config.ARGB_8888); 32 Canvas canvas = new Canvas(bm); 33 Paint paint = new Paint(); 34 35 // just want to confirm that we don't crash or throw an exception 36 paint.setRasterizer(rasterizer); 37 canvas.drawCircle(BITMAP_WIDTH/2, BITMAP_WIDTH/2, BITMAP_WIDTH/2, paint); 38 } 39 40 public void testConstructor() { 41 exerciseRasterizer(new LayerRasterizer()); 42 } 43 44 public void testAddLayer1() { 45 LayerRasterizer layerRasterizer = new LayerRasterizer(); 46 Paint p = new Paint(); 47 layerRasterizer.addLayer(p); 48 exerciseRasterizer(layerRasterizer); 49 } 50 51 public void testAddLayer2() { 52 LayerRasterizer layerRasterizer = new LayerRasterizer(); 53 layerRasterizer.addLayer(new Paint(), 1.0f, 1.0f); 54 exerciseRasterizer(layerRasterizer); 55 // explicitly add another layer and draw again 56 layerRasterizer.addLayer(new Paint(), 2.0f, 2.0f); 57 exerciseRasterizer(layerRasterizer); 58 } 59 60 } 61
