/* * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package test.com.sun.marlin; import java.awt.Color; import java.io.File; import java.io.IOException; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import java.util.concurrent.atomic.AtomicBoolean; import javafx.application.Application; import javafx.application.Platform; import javafx.geometry.Rectangle2D; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.SnapshotParameters; import javafx.scene.image.PixelReader; import javafx.scene.image.WritableImage; import javafx.scene.shape.LineTo; import javafx.scene.shape.MoveTo; import javafx.scene.shape.Path; import javafx.scene.shape.StrokeLineCap; import javafx.scene.shape.StrokeLineJoin; import javafx.scene.transform.Transform; import javafx.stage.Stage; import junit.framework.AssertionFailedError; import org.junit.AfterClass; import static org.junit.Assert.assertEquals; import static org.junit.Assert.fail; import org.junit.BeforeClass; import org.junit.Test; import test.util.Util; import static test.util.Util.TIMEOUT; /** * Scaled Line Clipping rendering test */ public class ScaleClipTest { static final int SIZE = 50; enum SCALE_MODE { ORTHO, NON_ORTHO, COMPLEX }; // Used to launch the application before running any test private static final CountDownLatch launchLatch = new CountDownLatch(1); // Singleton Application instance static MyApp myApp; // Application class. An instance is created and initialized before running // the first test, and it lives through the execution of all tests. public static class MyApp extends Application { Stage stage = null; public MyApp() { super(); } @Override public void init() { ScaleClipTest.myApp = this; } @Override public void start(Stage primaryStage) throws Exception { this.stage = primaryStage; stage.setScene(new Scene(new Group())); stage.setTitle("ScaleClipTest"); stage.show(); launchLatch.countDown(); } } @BeforeClass public static void setupOnce() { // Start the Application new Thread(() -> Application.launch(MyApp.class, (String[]) null)).start(); try { if (!launchLatch.await(TIMEOUT, TimeUnit.MILLISECONDS)) { throw new AssertionFailedError("Timeout waiting for Application to launch"); } } catch (InterruptedException ex) { AssertionFailedError err = new AssertionFailedError("Unexpected exception"); err.initCause(ex); throw err; } assertEquals(0, launchLatch.getCount()); System.out.println("ScaleClipTest: size = " + SIZE); } @AfterClass public static void teardownOnce() { Platform.exit(); } @Test(timeout = 10000) public void TestNegativeScaleClipPath() throws InterruptedException { final AtomicBoolean fail = new AtomicBoolean(); for (SCALE_MODE mode : SCALE_MODE.values()) { Util.runAndWait(() -> { try { testNegativeScale(mode); } catch (AssertionError ae) { System.err.println("testNegativeScale[" + mode + "] failed:"); ae.printStackTrace(); fail.set(true); } }); } // Fail at the end: if (fail.get()) { fail("TestNegativeScaleClipPath has failures."); } } @Test(timeout = 10000) public void TestMarginScaleClipPath() throws InterruptedException { final AtomicBoolean fail = new AtomicBoolean(); // testMarginScale: for (SCALE_MODE mode : SCALE_MODE.values()) { Util.runAndWait(() -> { try { testMarginScale(mode); } catch (AssertionError ae) { System.err.println("testMarginScale[" + mode + "] failed:"); ae.printStackTrace(); fail.set(true); } }); } // Fail at the end: if (fail.get()) { fail("TestMarginScaleClipPath has failures."); } } private void testNegativeScale(final SCALE_MODE mode) { // Bug in TransformingPathConsumer2D.adjustClipScale() // non ortho scale only final double scale = -1.0; final Transform t; switch (mode) { default: case ORTHO: t = Transform.scale(scale, scale); break; case NON_ORTHO: t = Transform.scale(scale, scale + 1e-5); break; case COMPLEX: t = Transform.affine(scale, 1e-4, 1e-4, scale, 0, 0); break; } final Path p = new Path(); p.getElements().addAll( new MoveTo(scale * 10, scale * 10), new LineTo(scale * (SIZE - 10), scale * (SIZE - 10)) ); // Set cap/join to reduce clip margin: p.setFill(null); p.setStroke(javafx.scene.paint.Color.BLACK); p.setStrokeWidth(2); p.setStrokeLineCap(StrokeLineCap.BUTT); p.setStrokeLineJoin(StrokeLineJoin.BEVEL); Scene scene = new Scene(new Group(p)); myApp.stage.setScene(scene); final SnapshotParameters sp = new SnapshotParameters(); sp.setViewport(new Rectangle2D(0, 0, SIZE, SIZE)); sp.setTransform(t); final WritableImage img = scene.getRoot().snapshot(sp, new WritableImage(SIZE, SIZE)); // Check image: // 25, 25 = black checkPixel(img.getPixelReader(), 25, 25, Color.BLACK.getRGB()); } private static void testMarginScale(final SCALE_MODE mode) { // Bug in Stroker.init() // ortho scale only: scale used twice ! final double scale = 1e-2; final Transform t; switch (mode) { default: case ORTHO: t = Transform.scale(scale, scale); break; case NON_ORTHO: t = Transform.scale(scale, scale + 1e-5); break; case COMPLEX: t = Transform.affine(scale, 1e-4, 1e-4, scale, 0, 0); break; } final double invScale = 1.0 / scale; final Path p = new Path(); p.getElements().addAll( new MoveTo(invScale * -0.5, invScale * 10), new LineTo(invScale * -0.5, invScale * (SIZE - 10)) ); // Set cap/join to reduce clip margin: p.setFill(null); p.setStroke(javafx.scene.paint.Color.BLACK); p.setStrokeWidth(3.0 * invScale); p.setStrokeLineCap(StrokeLineCap.BUTT); p.setStrokeLineJoin(StrokeLineJoin.BEVEL); Scene scene = new Scene(new Group(p)); myApp.stage.setScene(scene); final SnapshotParameters sp = new SnapshotParameters(); sp.setViewport(new Rectangle2D(0, 0, SIZE, SIZE)); sp.setTransform(t); final WritableImage img = scene.getRoot().snapshot(sp, new WritableImage(SIZE, SIZE)); // Check image: // 0, 25 = black checkPixel(img.getPixelReader(), 0, 25, Color.BLACK.getRGB()); } private static void checkPixel(final PixelReader pr, final int x, final int y, final int expected) { final int rgb = pr.getArgb(x, y); if (rgb != expected) { fail("bad pixel at (" + x + ", " + y + ") = " + rgb + " expected: " + expected); } } }