jdk8-mips64-public/nashorn: test/script/jfx/flyingimage.js@bda654c6d59c

8027708: NASHORN TEST: Create Nashorn test that draws image step-by-step using JavaFX canvas.
Reviewed-by: jlaskey, lagergren

     1 /*

     2  * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    24 /**

    25  * Testing JavaFX canvas run by Nashorn.

    26  *

    27  * @test/nocompare

    28  * @run

    29  * @fork

    30  */

    32 TESTNAME = "flyingimage";

    34 var WIDTH = 800;

    35 var HEIGHT = 600;

    36 var canvas = new Canvas(WIDTH, HEIGHT);

    37 function fileToURL(file) {

    38     return new File(file).toURI().toURL().toExternalForm();

    39 }

    40 var imageUrl = fileToURL(__DIR__ + "flyingimage/flyingimage.png");

    41 var img = new Image(imageUrl);

    42 var isFrameRendered = false;

    43 function renderFrame() {

    44     var t = frame;

    45     var gc = canvas.graphicsContext2D;

    46     gc.setFill(Color.web("#cccccc"));

    47     gc.fillRect(0, 0, WIDTH, HEIGHT);

    48     gc.setStroke(Color.web("#000000"));

    49     gc.setLineWidth(1);

    50     gc.strokeRect(5, 5, WIDTH - 10, HEIGHT - 10);

    51     var c = 200;

    52     var msc= 0.5 * HEIGHT / img.height;

    53     var sp0 = 0.003;

    54     for (var h = 0; h < c; h++) {

    55         gc.setTransform(1, 0, 0, 1, 0, 0);

    56         var yh = h / (c - 1);

    57         gc.translate((0.5 + Math.sin(t * sp0 + h * 0.1) / 3) * WIDTH, 25 + (HEIGHT * 3 / 4 - 40) * (yh * yh));

    58         var sc = 30 / img.height + msc * yh * yh;

    59         gc.rotate(90 * Math.sin(t * sp0 + h * 0.1 + Math.PI));

    60         gc.scale(sc, sc);

    61         gc.drawImage(img, -img.width / 2, -img.height / 2);

    62     }

    63     gc.setTransform(1, 0, 0, 1, 0, 0);

    64     isFrameRendered = true;

    65 }

    66 var stack = new StackPane();

    67 var pane = new BorderPane();

    68 pane.setCenter(canvas);

    69 stack.getChildren().add(pane);

    70 $STAGE.scene = new Scene(stack);

    71 var frame = 0;

    72 var timer = new AnimationTimerExtend() {

    73     handle: function handle(now) {

    74         if (frame < 200) {

    75             renderFrame();

    76             frame++;

    77         } else {

    78             checkImageAndExit();

    79             timer.stop();

    80         }

    81     }

    82 };

    83 timer.start();

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