1 /* 2 * Copyright (c) 2008, 2014, Oracle and/or its affiliates. 3 * All rights reserved. Use is subject to license terms. 4 * 5 * This file is available and licensed under the following license: 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * - Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * - Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the distribution. 16 * - Neither the name of Oracle Corporation nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 package ensemble.samples.scenegraph.events.multitouch; 33 34 import javafx.event.EventHandler; 35 import javafx.scene.effect.BlurType; 36 import javafx.scene.effect.DropShadow; 37 import javafx.scene.image.Image; 38 import javafx.scene.image.ImageView; 39 import javafx.scene.input.MouseEvent; 40 import javafx.scene.input.RotateEvent; 41 import javafx.scene.input.ZoomEvent; 42 import javafx.scene.layout.StackPane; 43 import javafx.scene.paint.Color; 44 45 public class MultiTouchImageView extends StackPane { 46 47 private ImageView imageView; 48 private double lastX, lastY, startScale, startRotate; 49 50 public MultiTouchImageView(Image img) { 51 setEffect(new DropShadow(BlurType.GAUSSIAN, Color.rgb(0, 0, 0, 0.5), 8, 0, 0, 2)); 52 53 imageView = new ImageView(img); 54 imageView.setSmooth(true); 55 getChildren().add(imageView); 56 57 setOnMousePressed((MouseEvent event) -> { 58 lastX = event.getX(); 59 lastY = event.getY(); 60 toFront(); 61 // postView.toFront(); 62 }); 63 setOnMouseDragged((MouseEvent event) -> { 64 double layoutX = getLayoutX() + (event.getX() - lastX); 65 double layoutY = getLayoutY() + (event.getY() - lastY); 66 67 if ((layoutX >= 0) && (layoutX <= (getParent().getLayoutBounds().getWidth()))) { 68 setLayoutX(layoutX); 69 } 70 71 if ((layoutY >= 0) && (layoutY <= (getParent().getLayoutBounds().getHeight()))) { 72 setLayoutY(layoutY); 73 } 74 75 if ((getLayoutX() + (event.getX() - lastX) <= 0)) { 76 setLayoutX(0); 77 } 78 }); 79 addEventHandler(ZoomEvent.ZOOM_STARTED, (ZoomEvent event) -> { 80 startScale = getScaleX(); 81 }); 82 addEventHandler(ZoomEvent.ZOOM, (ZoomEvent event) -> { 83 setScaleX(event.getTotalZoomFactor()); 84 setScaleY(event.getTotalZoomFactor()); 85 }); 86 addEventHandler(RotateEvent.ROTATION_STARTED, (RotateEvent event) -> { 87 startRotate = getRotate(); 88 }); 89 addEventHandler(RotateEvent.ROTATE, (RotateEvent event) -> { 90 setRotate(event.getTotalAngle()); 91 }); 92 93 } 94 }