| /* |
| * Copyright (C) 2014 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.uirendering.cts.testclasses; |
| |
| import android.graphics.BlendMode; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.ColorSpace; |
| import android.graphics.Paint; |
| import android.graphics.Path; |
| import android.graphics.Picture; |
| import android.graphics.PorterDuff; |
| import android.graphics.Rect; |
| import android.graphics.drawable.NinePatchDrawable; |
| import android.uirendering.cts.R; |
| import android.uirendering.cts.bitmapcomparers.BitmapComparer; |
| import android.uirendering.cts.bitmapcomparers.ExactComparer; |
| import android.uirendering.cts.bitmapcomparers.MSSIMComparer; |
| import android.uirendering.cts.bitmapverifiers.BitmapVerifier; |
| import android.uirendering.cts.bitmapverifiers.GoldenImageVerifier; |
| import android.uirendering.cts.bitmapverifiers.PerPixelBitmapVerifier; |
| import android.uirendering.cts.bitmapverifiers.RectVerifier; |
| import android.uirendering.cts.testinfrastructure.ActivityTestBase; |
| import android.uirendering.cts.util.CompareUtils; |
| |
| import androidx.test.filters.MediumTest; |
| import androidx.test.runner.AndroidJUnit4; |
| |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @MediumTest |
| @RunWith(AndroidJUnit4.class) |
| public class ExactCanvasTests extends ActivityTestBase { |
| private final BitmapComparer mExactComparer = new ExactComparer(); |
| |
| @Test |
| public void testBlueRect() { |
| final Rect rect = new Rect(10, 10, 80, 80); |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| Paint p = new Paint(); |
| p.setAntiAlias(false); |
| p.setColor(Color.BLUE); |
| canvas.drawRect(rect, p); |
| }) |
| .runWithVerifier(new RectVerifier(Color.WHITE, Color.BLUE, rect)); |
| } |
| |
| @Test |
| public void testPoints() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| Paint p = new Paint(); |
| p.setAntiAlias(false); |
| p.setStrokeWidth(1f); |
| p.setColor(Color.BLACK); |
| canvas.translate(0.5f, 0.5f); |
| for (int i = 0; i < 10; i++) { |
| canvas.drawPoint(i * 10, i * 10, p); |
| } |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testBlackRectWithStroke() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| Paint p = new Paint(); |
| p.setColor(Color.RED); |
| canvas.drawRect(0, 0, ActivityTestBase.TEST_WIDTH, |
| ActivityTestBase.TEST_HEIGHT, p); |
| p.setColor(Color.BLACK); |
| p.setStrokeWidth(5); |
| canvas.drawRect(10, 10, 80, 80, p); |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testBlackLineOnGreenBack() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.GREEN); |
| Paint p = new Paint(); |
| p.setColor(Color.BLACK); |
| p.setStrokeWidth(10); |
| canvas.drawLine(0, 0, 50, 0, p); |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testDrawRedRectOnBlueBack() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.BLUE); |
| Paint p = new Paint(); |
| p.setColor(Color.RED); |
| canvas.drawRect(10, 10, 40, 40, p); |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testDrawLine() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| Paint p = new Paint(); |
| canvas.drawColor(Color.WHITE); |
| p.setColor(Color.BLACK); |
| p.setAntiAlias(false); |
| float[] pts = { |
| 0, 0, 80, 80, 80, 0, 0, 80, 40, 50, 60, 50 |
| }; |
| canvas.drawLines(pts, p); |
| }) |
| .runWithComparer(new MSSIMComparer(0.99)); |
| } |
| |
| @Test |
| public void testDrawWhiteScreen() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> canvas.drawColor(Color.WHITE)) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testBasicText() { |
| final String testString = "THIS IS A TEST"; |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| Paint p = new Paint(); |
| canvas.drawColor(Color.BLACK); |
| p.setColor(Color.WHITE); |
| p.setStrokeWidth(5); |
| canvas.drawText(testString, 30, 50, p); |
| }) |
| .runWithComparer(new MSSIMComparer(0.99)); |
| } |
| |
| private void drawTestTextOnPath(Canvas canvas) { |
| final String testString = "THIS IS A TEST ON A CIRCLE PATH"; |
| Path path = new Path(); |
| path.addCircle(45, 45, 30, Path.Direction.CW); |
| Paint p = new Paint(); |
| p.setColor(Color.BLACK); |
| p.setAntiAlias(true); |
| canvas.drawTextOnPath(testString, path, 0f, 0f, p); |
| } |
| |
| @Test |
| public void testTextOnPath() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| drawTestTextOnPath(canvas); |
| }) |
| .runWithVerifier(new GoldenImageVerifier(getActivity(), |
| // HWUI's texts are blurry, so we lower the threshold. |
| // Note that 0.7 will fail the test. |
| R.drawable.text_on_path, new MSSIMComparer(0.6))); |
| } |
| |
| @Test |
| public void testTextOnPathUsingPicture() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| Picture picture = new Picture(); |
| Canvas pictureCanvas = picture.beginRecording(90, 90); |
| drawTestTextOnPath(pictureCanvas); |
| picture.endRecording(); |
| picture.draw(canvas); |
| }) |
| .runWithVerifier(new GoldenImageVerifier(getActivity(), |
| // HWUI's texts are blurry, so we lower the threshold. |
| // Note that 0.7 will fail the test. |
| R.drawable.text_on_path, new MSSIMComparer(0.6))); |
| } |
| |
| @Test |
| public void testBasicColorXfermode() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.GRAY); |
| canvas.drawColor(Color.BLUE, PorterDuff.Mode.MULTIPLY); |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testBasicColorBlendMode() { |
| createTest().addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.GRAY); |
| canvas.drawColor(Color.BLUE, BlendMode.MULTIPLY); |
| }).runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testBluePaddedSquare() { |
| final NinePatchDrawable ninePatchDrawable = (NinePatchDrawable) |
| getActivity().getResources().getDrawable(R.drawable.blue_padded_square); |
| ninePatchDrawable.setBounds(0, 0, 90, 90); |
| |
| BitmapVerifier verifier = new RectVerifier(Color.WHITE, Color.BLUE, |
| new Rect(10, 10, 80, 80)); |
| |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.WHITE); |
| Paint p = new Paint(); |
| p.setColor(Color.BLUE); |
| canvas.drawRect(10, 10, 80, 80, p); |
| }) |
| .addCanvasClient( |
| (canvas, width, height) -> ninePatchDrawable.draw(canvas)) |
| .addLayout(R.layout.blue_padded_square, null) |
| .runWithVerifier(verifier); |
| } |
| |
| @Test |
| public void testEmptyLayer() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.CYAN); |
| Paint p = new Paint(); |
| p.setColor(Color.BLACK); |
| canvas.saveLayer(10, 10, 80, 80, p); |
| canvas.restore(); |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testSaveLayerRounding() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.saveLayerAlpha(10.5f, 10.5f, 79.5f, 79.5f, 255); |
| canvas.drawRect(20, 20, 70, 70, new Paint()); |
| canvas.restore(); |
| }) |
| .runWithVerifier(new RectVerifier(Color.WHITE, Color.BLACK, |
| new Rect(20, 20, 70, 70))); |
| } |
| |
| @Test |
| public void testUnclippedSaveLayerRounding() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.saveLayerAlpha(10.5f, 10.5f, 79.5f, 79.5f, 255); |
| canvas.drawRect(20, 20, 70, 70, new Paint()); |
| canvas.restore(); |
| }) |
| .runWithVerifier(new RectVerifier(Color.WHITE, Color.BLACK, |
| new Rect(20, 20, 70, 70))); |
| } |
| |
| @Test |
| public void testBlackTriangleVertices() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| float[] vertices = new float[6]; |
| vertices[0] = width / 2.0f; |
| vertices[1] = 0; |
| vertices[2] = width; |
| vertices[3] = height; |
| vertices[4] = 0; |
| vertices[5] = height; |
| int[] colors = new int[] { Color.BLACK, Color.BLACK, Color.BLACK }; |
| canvas.drawVertices(Canvas.VertexMode.TRIANGLES, vertices.length, vertices, 0, |
| null, 0, colors, 0, null, 0, 0, |
| new Paint()); |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| |
| @Test |
| public void testBlackTriangleVertices2() { |
| BitmapVerifier verifier = new PerPixelBitmapVerifier() { |
| @Override |
| protected boolean verifyPixel(int x, int y, int observedColor) { |
| // The CanvasClient will draw the following black triangle on a white |
| // background: |
| // (40, 0) |
| // |
| // |
| // |
| // |
| // (0, 80) (80, 0) |
| if (y >= 80) { |
| // Below the triangle is white. |
| return CompareUtils.verifyPixelWithThreshold(observedColor, Color.WHITE, 0); |
| } else if (x < 40) { |
| // The line on the left is |
| // y = -2x + 80 |
| // Above is white, below is black. Give some leeway for |
| // antialiasing. |
| if (y < -2 * x + 80 - 1) { |
| return CompareUtils.verifyPixelWithThreshold(observedColor, Color.WHITE, 0); |
| } else if (y > -2 * x + 80 + 1) { |
| return CompareUtils.verifyPixelWithThreshold(observedColor, Color.BLACK, 0); |
| } |
| } else { |
| // The line on the right is |
| // y = 2x - 80 |
| // Above is white, below is black. Give some leeway for |
| // antialiasing. |
| if (y < 2 * x - 80 - 1) { |
| return CompareUtils.verifyPixelWithThreshold(observedColor, Color.WHITE, 0); |
| } else if (y > 2 * x - 80 + 1) { |
| return CompareUtils.verifyPixelWithThreshold(observedColor, Color.BLACK, 0); |
| } |
| } |
| // Ignore points very close to the line. |
| return true; |
| } |
| }; |
| |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.WHITE); |
| |
| float[] vertices = new float[6]; |
| vertices[0] = 40; |
| vertices[1] = 0; |
| vertices[2] = 80; |
| vertices[3] = 80; |
| vertices[4] = 0; |
| vertices[5] = 80; |
| int[] colors = new int[] { Color.BLACK, Color.BLACK, Color.BLACK }; |
| canvas.drawVertices(Canvas.VertexMode.TRIANGLES, vertices.length, vertices, 0, |
| null, 0, colors, 0, null, 0, 0, |
| new Paint()); |
| }) |
| .runWithVerifier(verifier); |
| } |
| |
| @Test |
| public void testColorLongs() { |
| createTest() |
| .addCanvasClient((canvas, width, height) -> { |
| canvas.drawColor(Color.pack(0.5f, 0.3f, 0.1f, 1.0f, |
| ColorSpace.get(ColorSpace.Named.DISPLAY_P3))); |
| canvas.drawColor(Color.pack(0.2f, 0.2f, 0.2f, 1.0f, |
| ColorSpace.get(ColorSpace.Named.DISPLAY_P3)), BlendMode.PLUS); |
| Paint p = new Paint(); |
| p.setColor(Color.pack(0.7f, 0.9f, 0.4f, 1.0f, |
| ColorSpace.get(ColorSpace.Named.DISPLAY_P3))); |
| canvas.drawRect(20, 20, 70, 70, p); |
| }) |
| .runWithComparer(mExactComparer); |
| } |
| } |
