| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.graphics.drawable.shapes.cts; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotSame; |
| import static org.junit.Assert.assertTrue; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap.Config; |
| import android.graphics.Canvas; |
| import android.graphics.Outline; |
| import android.graphics.Paint; |
| import android.graphics.Paint.Style; |
| import android.graphics.Path; |
| import android.graphics.drawable.shapes.PathShape; |
| |
| import androidx.test.filters.SmallTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @SmallTest |
| @RunWith(AndroidJUnit4.class) |
| public class PathShapeTest { |
| private static final int TEST_COLOR_1 = 0xFF00FF00; |
| private static final int TEST_COLOR_2 = 0xFFFF0000; |
| |
| private static final int TOLERANCE = 4; |
| |
| @Test |
| public void testConstructor() { |
| new PathShape(new Path(), 1f, 5f); |
| |
| new PathShape(new Path(), -1f, -1f); |
| |
| new PathShape(null, 0f, 0f); |
| } |
| |
| @Test |
| public void testDraw() { |
| final int SHAPE_SIZE = 200; |
| |
| // draw a square rotated by 45 degrees centered on (50, 50) |
| Path path = new Path(); |
| path.moveTo(50, 0); |
| path.lineTo(0, 50); |
| path.lineTo(50, 100); |
| path.lineTo(100, 50); |
| path.close(); |
| PathShape pathShape = new PathShape(path, SHAPE_SIZE, SHAPE_SIZE); |
| Bitmap bitmap = Bitmap.createBitmap(SHAPE_SIZE, SHAPE_SIZE, Config.ARGB_8888); |
| Canvas canvas = new Canvas(bitmap); |
| Paint paint = new Paint(); |
| paint.setStyle(Style.FILL); |
| paint.setColor(TEST_COLOR_1); |
| pathShape.resize(SHAPE_SIZE, SHAPE_SIZE); |
| |
| pathShape.draw(canvas, paint); |
| // check center point |
| assertEquals(TEST_COLOR_1, bitmap.getPixel(50, 50)); |
| |
| paint.setColor(TEST_COLOR_2); |
| // scale down to half size; diagonal is now 50px |
| pathShape.resize(SHAPE_SIZE / 2, SHAPE_SIZE / 2); |
| pathShape.draw(canvas, paint); |
| // count number of pixels with TEST_COLOR_2 horizontally, vertically and diagonally |
| int horizontal = 0; |
| int vertical = 0; |
| int diagonal = 0; |
| for (int i = 0; i < 50; i++) { |
| if (bitmap.getPixel(25, i) == TEST_COLOR_2) { |
| vertical += 1; |
| } |
| if (bitmap.getPixel(i, 25) == TEST_COLOR_2) { |
| horizontal += 1; |
| } |
| if (bitmap.getPixel(i, i) == TEST_COLOR_2) { |
| diagonal += 1; |
| } |
| } |
| assertEquals(50, horizontal, TOLERANCE); |
| assertEquals(50, vertical, TOLERANCE); |
| assertEquals(25, diagonal, TOLERANCE); |
| } |
| |
| @Test |
| public void testClone() throws CloneNotSupportedException { |
| PathShape pathShape = new PathShape(new Path(), 1f, 5f); |
| pathShape.resize(100f, 200f); |
| PathShape clonedShape = pathShape.clone(); |
| assertEquals(100f, pathShape.getWidth(), 0.0f); |
| assertEquals(200f, pathShape.getHeight(), 0.0f); |
| |
| assertNotSame(pathShape, clonedShape); |
| assertEquals(pathShape.getWidth(), clonedShape.getWidth(), 0.0f); |
| assertEquals(pathShape.getHeight(), clonedShape.getHeight(), 0.0f); |
| } |
| |
| @Test |
| public void testGetOutline() { |
| Outline outline = new Outline(); |
| PathShape shape; |
| |
| // This is a no-op. Just make sure it doesn't crash. |
| outline.setEmpty(); |
| shape = new PathShape(new Path(), 0, 0); |
| shape.getOutline(outline); |
| assertTrue(outline.isEmpty()); |
| } |
| } |