1 /* 2 * Copyright (C) 2009 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.drawable.shapes.cts; 18 19 import dalvik.annotation.TestLevel; 20 import dalvik.annotation.TestTargetClass; 21 import dalvik.annotation.TestTargetNew; 22 import dalvik.annotation.TestTargets; 23 24 import android.graphics.Bitmap; 25 import android.graphics.Canvas; 26 import android.graphics.Paint; 27 import android.graphics.Path; 28 import android.graphics.Bitmap.Config; 29 import android.graphics.Paint.Style; 30 import android.graphics.drawable.shapes.PathShape; 31 32 import junit.framework.TestCase; 33 34 @TestTargetClass(android.graphics.drawable.shapes.PathShape.class) 35 public class PathShapeTest extends TestCase { 36 private static final int TEST_COLOR_1 = 0xFF00FF00; 37 private static final int TEST_COLOR_2 = 0xFFFF0000; 38 39 private static final int TOLERANCE = 4; 40 41 @TestTargetNew( 42 level = TestLevel.COMPLETE, 43 method = "PathShape", 44 args = {android.graphics.Path.class, float.class, float.class} 45 ) testConstructor()46 public void testConstructor() { 47 new PathShape(new Path(), 1f, 5f); 48 49 new PathShape(new Path(), -1f, -1f); 50 51 new PathShape(null, 0f, 0f); 52 } 53 54 @TestTargets({ 55 @TestTargetNew( 56 level = TestLevel.COMPLETE, 57 method = "draw", 58 args = {android.graphics.Canvas.class, android.graphics.Paint.class} 59 ), 60 @TestTargetNew( 61 level = TestLevel.SUFFICIENT, 62 method = "onResize", 63 args = {float.class, float.class} 64 ) 65 }) testDraw()66 public void testDraw() { 67 final int SHAPE_SIZE = 200; 68 69 // draw a square rotated by 45 degrees centered on (50, 50) 70 Path path = new Path(); 71 path.moveTo(50, 0); 72 path.lineTo(0, 50); 73 path.lineTo(50, 100); 74 path.lineTo(100, 50); 75 path.close(); 76 PathShape pathShape = new PathShape(path, SHAPE_SIZE, SHAPE_SIZE); 77 Bitmap bitmap = Bitmap.createBitmap(SHAPE_SIZE, SHAPE_SIZE, Config.ARGB_8888); 78 Canvas canvas = new Canvas(bitmap); 79 Paint paint = new Paint(); 80 paint.setStyle(Style.FILL); 81 paint.setColor(TEST_COLOR_1); 82 pathShape.resize(SHAPE_SIZE, SHAPE_SIZE); 83 84 pathShape.draw(canvas, paint); 85 // check center point 86 assertEquals(TEST_COLOR_1, bitmap.getPixel(50, 50)); 87 88 paint.setColor(TEST_COLOR_2); 89 // scale down to half size; diagonal is now 50px 90 pathShape.resize(SHAPE_SIZE / 2, SHAPE_SIZE / 2); 91 pathShape.draw(canvas, paint); 92 // count number of pixels with TEST_COLOR_2 horizontally, vertically and diagonally 93 int horizontal = 0; 94 int vertical = 0; 95 int diagonal = 0; 96 for (int i = 0; i < 50; i++) { 97 if (bitmap.getPixel(25, i) == TEST_COLOR_2) { 98 vertical += 1; 99 } 100 if (bitmap.getPixel(i, 25) == TEST_COLOR_2) { 101 horizontal += 1; 102 } 103 if (bitmap.getPixel(i, i) == TEST_COLOR_2) { 104 diagonal += 1; 105 } 106 } 107 assertEquals(50, horizontal, TOLERANCE); 108 assertEquals(50, vertical, TOLERANCE); 109 assertEquals(25, diagonal, TOLERANCE); 110 } 111 112 @TestTargetNew( 113 level = TestLevel.SUFFICIENT, 114 method = "clone", 115 args = {} 116 ) testClone()117 public void testClone() throws CloneNotSupportedException { 118 PathShape pathShape = new PathShape(new Path(), 1f, 5f); 119 pathShape.resize(100f, 200f); 120 PathShape clonedShape = pathShape.clone(); 121 assertEquals(100f, pathShape.getWidth()); 122 assertEquals(200f, pathShape.getHeight()); 123 124 assertNotSame(pathShape, clonedShape); 125 assertEquals(pathShape.getWidth(), clonedShape.getWidth()); 126 assertEquals(pathShape.getHeight(), clonedShape.getHeight()); 127 } 128 } 129