| /* |
| * Copyright (C) 2008 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.cts; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import android.graphics.Bitmap; |
| import android.graphics.Bitmap.Config; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.Path.Direction; |
| import android.graphics.PathDashPathEffect; |
| import android.graphics.RectF; |
| |
| 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 PathDashPathEffectTest { |
| private static final int SQUARE = 10; |
| private static final int ADVANCE = 30; |
| private static final int WIDTH = 100; |
| private static final int HEIGHT = 100; |
| |
| @Test |
| public void testPathDashPathEffect() { |
| Bitmap b = Bitmap.createBitmap(WIDTH, HEIGHT, Config.ARGB_8888); |
| b.eraseColor(Color.BLACK); |
| PathDashPathEffect effect = new PathDashPathEffect(shape(), ADVANCE, 0, |
| PathDashPathEffect.Style.TRANSLATE); |
| Canvas canvas = new Canvas(b); |
| Paint p = new Paint(); |
| p.setPathEffect(effect); |
| p.setColor(Color.RED); |
| canvas.drawPath(path(), p); |
| |
| Bitmap expected = Bitmap.createBitmap(WIDTH, HEIGHT, Config.ARGB_8888); |
| expected.eraseColor(Color.BLACK); |
| canvas = new Canvas(expected); |
| p = new Paint(); |
| p.setColor(Color.RED); |
| RectF rect = new RectF(0, HEIGHT / 2 - SQUARE, 0, HEIGHT / 2 + SQUARE); |
| for (int i = 0; i <= WIDTH + SQUARE; i += ADVANCE) { |
| rect.left = i - SQUARE; |
| rect.right = i + SQUARE; |
| canvas.drawRect(rect, p); |
| } |
| |
| int diffCount = 0; |
| for (int y = 0; y < HEIGHT; y++) { |
| for (int x = 0; x < WIDTH; x++) { |
| if (expected.getPixel(x, y) != b.getPixel(x, y)) { |
| diffCount += 1; |
| } |
| } |
| } |
| assertEquals(0, diffCount); |
| } |
| |
| private static Path path() { |
| Path p = new Path(); |
| p.moveTo(0, HEIGHT / 2); |
| p.lineTo(WIDTH, HEIGHT / 2); |
| return p; |
| } |
| |
| private static Path shape() { |
| Path p = new Path(); |
| p.addRect(new RectF(-SQUARE, -SQUARE, SQUARE, SQUARE), Direction.CCW); |
| return p; |
| } |
| } |