Thickness to use for outlining the shape.
Object.defineProperty(ImageViewerRubberBandInteractiveMode.prototype, 'borderThickness',get: function(),set: function(value))
borderThickness: number;
The thickness to use for outlining the shape. Default value is 1.
Set this value to 0 to disable outlining the shape.
import { ImageViewer_Example } from "../ImageViewer";export class ImageViewer_RubberBandInteractiveModeExample {private viewerExample;constructor() {this.viewerExample = new ImageViewer_Example(this.run);}private run = (viewer: lt.Controls.ImageViewer) => {const rubberBandMode: lt.Controls.ImageViewerRubberBandInteractiveMode = new lt.Controls.ImageViewerRubberBandInteractiveMode();rubberBandMode.rubberBandCompleted.add((sender, e) => {if (e.isCanceled || !rubberBandMode.item)return;const points: lt.LeadPointD[] = e.points.map((point) => { return point.clone(); });let min = lt.LeadPointD.empty;let max = lt.LeadPointD.empty;for (let i = 0; i < points.length; i++) {points[i] = viewer.convertPoint(rubberBandMode.item, lt.Controls.ImageViewerCoordinateType.control, lt.Controls.ImageViewerCoordinateType.image, points[i]);if (i === 0) {min = points[i].clone();max = points[i].clone();}else {min.x = Math.min(min.x, points[i].x);min.y = Math.min(min.y, points[i].y);max.x = Math.max(max.x, points[i].x);max.y = Math.max(max.y, points[i].y);}}const center: lt.LeadPointD = lt.LeadPointD.create(min.x + (max.x - min.x) / 2, min.y + (max.y - min.y) / 2);const item: lt.Controls.ImageViewerItem = rubberBandMode.item;const itemCanvas = item.canvas as HTMLCanvasElement;const ctx: CanvasRenderingContext2D = itemCanvas.getContext("2d");ctx.save();ctx.beginPath();const rect: lt.LeadRectD = lt.LeadRectD.fromLTRB(points[0].x, points[0].y, points[1].x, points[1].y);ctx.rect(rect.x, rect.y, rect.width, rect.height)ctx.closePath();ctx.fillStyle = "rgba(0, 0, 255, .2)";ctx.fill();ctx.strokeStyle = "yellow";ctx.stroke();ctx.restore();viewer.invalidate(lt.LeadRectD.empty);});rubberBandMode.autoItemMode = lt.Controls.ImageViewerAutoItemMode.autoSet;rubberBandMode.itemPart = lt.Controls.ImageViewerItemPart.image;viewer.interactiveModes.beginUpdate();viewer.interactiveModes.clear();viewer.interactiveModes.add(rubberBandMode);viewer.interactiveModes.endUpdate();}}
export class ImageViewer_Example {// LEADTOOLS ImageViewer to be used with this exampleprotected imageViewer: lt.Controls.ImageViewer = null;// Generic state value used by the examplespublic timesClicked: number = 0;constructor(callback?: (viewer: lt.Controls.ImageViewer) => void) {// Set the LEADTOOLS license. Replace this with your actual license filelt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/js/LEADTOOLSEVAL.txt", "EVAL", null);// Create an image viewer inside the imageViewerDiv elementconst imageViewerDiv = document.getElementById("imageViewerDiv");const createOptions: lt.Controls.ImageViewerCreateOptions = new lt.Controls.ImageViewerCreateOptions(imageViewerDiv);this.imageViewer = new lt.Controls.ImageViewer(createOptions);this.imageViewer.viewVerticalAlignment = lt.Controls.ControlAlignment.center;this.imageViewer.viewHorizontalAlignment = lt.Controls.ControlAlignment.center;this.imageViewer.autoCreateCanvas = true;// Add Pan/Zoom interactive mode// Click and drag to pan, CTRL-Click and drag to zoom in and outthis.imageViewer.interactiveModes.add(new lt.Controls.ImageViewerPanZoomInteractiveMode());// Load an imagethis.imageViewer.imageUrl = "https://demo.leadtools.com/images/jpeg/cannon.jpg";this.imageViewer.zoom(lt.Controls.ControlSizeMode.fit, .9, this.imageViewer.defaultZoomOrigin);const exampleButton = document.getElementById("exampleButton");exampleButton.addEventListener("click", () => {this.timesClicked++;// Run the exampleif (callback)callback(this.imageViewer);});}}
import { ImageViewer_Example } from "../ImageViewer";export class ImageViewer_RubberBandInteractiveModeExample {viewerExample;constructor() {this.viewerExample = new ImageViewer_Example(this.run);}run = (viewer) => {const rubberBandMode = new lt.Controls.ImageViewerRubberBandInteractiveMode();rubberBandMode.rubberBandCompleted.add((sender, e) => {if (e.isCanceled || !rubberBandMode.item)return;const points = e.points.map((point) => { return point.clone(); });let min = lt.LeadPointD.empty;let max = lt.LeadPointD.empty;for (let i = 0; i < points.length; i++) {points[i] = viewer.convertPoint(rubberBandMode.item, lt.Controls.ImageViewerCoordinateType.control, lt.Controls.ImageViewerCoordinateType.image, points[i]);if (i === 0) {min = points[i].clone();max = points[i].clone();}else {min.x = Math.min(min.x, points[i].x);min.y = Math.min(min.y, points[i].y);max.x = Math.max(max.x, points[i].x);max.y = Math.max(max.y, points[i].y);}}const center = lt.LeadPointD.create(min.x + (max.x - min.x) / 2, min.y + (max.y - min.y) / 2);const item = rubberBandMode.item;const itemCanvas = item.canvas;const ctx = itemCanvas.getContext("2d");ctx.save();ctx.beginPath();const rect = lt.LeadRectD.fromLTRB(points[0].x, points[0].y, points[1].x, points[1].y);ctx.rect(rect.x, rect.y, rect.width, rect.height)ctx.closePath();ctx.fillStyle = "rgba(0, 0, 255, .2)";ctx.fill();ctx.strokeStyle = "yellow";ctx.stroke();ctx.restore();viewer.invalidate(lt.LeadRectD.empty);});rubberBandMode.autoItemMode = lt.Controls.ImageViewerAutoItemMode.autoSet;rubberBandMode.itemPart = lt.Controls.ImageViewerItemPart.image;viewer.interactiveModes.beginUpdate();viewer.interactiveModes.clear();viewer.interactiveModes.add(rubberBandMode);viewer.interactiveModes.endUpdate();}}
export class ImageViewer_Example {// LEADTOOLS ImageViewer to be used with this exampleimageViewer = null;// Generic state value used by the examplestimesClicked = 0;constructor(callback) {// Set the LEADTOOLS license. Replace this with your actual license filelt.RasterSupport.setLicenseUri("https://demo.leadtools.com/licenses/js/LEADTOOLSEVAL.txt", "EVAL", null);// Create an image viewer inside the imageViewerDiv elementconst imageViewerDiv = document.getElementById("imageViewerDiv");const createOptions = new lt.Controls.ImageViewerCreateOptions(imageViewerDiv);this.imageViewer = new lt.Controls.ImageViewer(createOptions);this.imageViewer.viewVerticalAlignment = lt.Controls.ControlAlignment.center;this.imageViewer.viewHorizontalAlignment = lt.Controls.ControlAlignment.center;this.imageViewer.autoCreateCanvas = true;// Add Pan/Zoom interactive mode// Click and drag to pan, CTRL-Click and drag to zoom in and outthis.imageViewer.interactiveModes.add(new lt.Controls.ImageViewerPanZoomInteractiveMode());// Load an imagethis.imageViewer.imageUrl = "https://demo.leadtools.com/images/jpeg/cannon.jpg";this.imageViewer.zoom(lt.Controls.ControlSizeMode.fit, .9, this.imageViewer.defaultZoomOrigin);const exampleButton = document.getElementById("exampleButton");exampleButton.addEventListener("click", () => {this.timesClicked++;// Run the exampleif (callback)callback(this.imageViewer);});}}
<!doctype html><html lang="en"><title>Controls Example | RubberBandInteractiveMode</title><head><script src="https://code.jquery.com/jquery-2.2.4.min.js"integrity="sha256-BbhdlvQf/xTY9gja0Dq3HiwQF8LaCRTXxZKRutelT44=" crossorigin="anonymous"></script><script src="../../LT/Leadtools.js"></script><script src="../../LT/Leadtools.Controls.js"></script><script src="../../LT/Leadtools.Annotations.Engine.js"></script><script src="../../LT/Leadtools.Annotations.Designers.js"></script><script src="../../LT/Leadtools.Annotations.Rendering.Javascript.js"></script><script src="../../LT/Leadtools.Annotations.Automation.js"></script><script src="../../LT/Leadtools.ImageProcessing.Main.js"></script><script src="../../LT/Leadtools.ImageProcessing.Color.js"></script><script src="../../LT/Leadtools.ImageProcessing.Core.js"></script><script src="../../LT/Leadtools.ImageProcessing.Effects.js"></script><script src="../../LT/Leadtools.Document.js"></script><script src="../../LT/Leadtools.Document.Viewer.js"></script><style>body {font-family: 'Segoe UI', sans-serif;}#imageViewerDiv {border: 1px solid #888;width: 500px;height: 500px;background-color: #eee;}</style><!-- All demo files are bundled and appended to the window --><script src="../../bundle.js" type="text/javascript"></script></head><body><p>Press and drag on the image to pan.</p><p>Hold down the control key and press and drag on the image or pinch with two fingers to zoom in and out.</p><div><button type="button" id="exampleButton">Run Example</button></div><div id="imageViewerDiv"></div><div id="output"></div></body><script>window.onload = () => {const example = new window.examples.InteractiveMode.RubberBandInteractiveMode();};</script></html>
ImageViewerRubberBandInteractiveMode Class
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