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AnnContainer Constructor

Summary

Initializes a new AnnContainer with default settings.

Syntax

TypeScript

JavaScript

AnnContainer = function()

constructor();

Remarks

This constructor will initialize the members of AnnContainer as follows:

Member	Description
Size	0,0
Offset	0,0
PageNumber	1
Mapper	Result of AnnContainerMapper.CreateDefault
Children	Empty collection ready to be used
SelectionObject	New AnnSelectionObject instance with its Stroke set to a dark green AnnStroke object with length of 2
Layers	Empty collection that is ready to be used
IsVisible	true
IsEnabled	true
Stroke	null
Fill	null
Labels	Empty collection ready to be used.
HitTestBuffer	37.5 annotations unit.
HitTestBehavior	AnnHitTestBehavior.Contains

Example

AnnContainer.ts

AnnContainer.js

AnnContainer.html

import { EngineHelper } from "../../utilities/EngineHelper"; 
 
export class AnnEngine_AnnContainerExample { 
   constructor() { 
      const helper = new EngineHelper(); 
      helper.run(this.run); 
   } 
 
   run = () => { 
      const inch = 720.0; 
 
      // Create a new annotation container, 8.5 by 11 inches 
      let container: lt.Annotations.Engine.AnnContainer = new lt.Annotations.Engine.AnnContainer(); 
      // Size must be in annotation units (1/720 of an inch) 
      container.size = lt.LeadSizeD.create(8.5 * inch, 11 * inch); 
 
      const showContainer = (message, container) => { 
         let str = message + "\nContainer size: "; 
 
         // Add the size 
         const inch = 720; 
         const width: number = container.size.width / inch; 
         const height: number = container.size.height / inch; 
         str += width + " by " + height + " inches" + "\n"; 
 
         // Add the objects 
         str += "Contains " + container.children.count + " objects(s)\n"; 
         for (let i = 0; i < container.children.count; i++) { 
            const annObj = container.children.item(i); 
 
            str += "Object: " + annObj.get_friendlyName() + " at "; 
            for (let j = 0; j < annObj.get_points().get_count(); j++) { 
               const pt: lt.LeadPointD = annObj.points.item(j); 
               const x: number = pt.x / inch; 
               const y: number = pt.y / inch; 
               str += "(" + x + ", " + y + ") "; 
            } 
 
            str += "\n"; 
         } 
 
         alert(str); 
      } 
 
      // Add a red line object, from 1in 1in to 2in 2in 
      const lineObj: lt.Annotations.Engine.AnnPolylineObject = new lt.Annotations.Engine.AnnPolylineObject(); 
      lineObj.points.add(lt.LeadPointD.create(1 * inch, 1 * inch)); 
      lineObj.points.add(lt.LeadPointD.create(2 * inch, 2 * inch)); 
      lineObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("red"), lt.LeadLengthD.create(1)); 
      container.children.add(lineObj); 
 
      // Add a blue on yellow rectangle from 3in 3in to 4in 4in 
      const rectObj: lt.Annotations.Engine.AnnRectangleObject = new lt.Annotations.Engine.AnnRectangleObject(); 
      rectObj.rect = lt.LeadRectD.create(3 * inch, 3 * inch, 1 * inch, 1 * inch); 
      rectObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("blue"), lt.LeadLengthD.create(1)); 
      rectObj.fill = lt.Annotations.Engine.AnnSolidColorBrush.create("yellow"); 
      container.children.add(rectObj); 
 
      // Show the container 
      showContainer("Before save", container); 
 
      // Create the codecs object to save and load annotations 
      const codecs: lt.Annotations.Engine.AnnCodecs = new lt.Annotations.Engine.AnnCodecs(); 
 
      // Save the container 
      const xmlData: string = codecs.save(container, lt.Annotations.Engine.AnnFormat.annotations, null, 1); 
 
      // delete the container 
      container = null; 
 
      // Show information about the data we just saved 
      const info: lt.Annotations.Engine.AnnCodecsInfo = codecs.getInfo(xmlData); 
      let message: string; 
      if (info.format == lt.Annotations.Engine.AnnFormat.annotations) { 
         message = "Version: "; 
         message += info.version; 
         message += " No. of pages: "; 
         message += info.pages.length; 
         message += " page nos: "; 
         for (let i = 0; i < info.pages.length; i++) { 
            message += info.pages[i] + " "; 
         } 
      } 
      else { 
         message = "Invalid annotations data"; 
      } 
 
      alert(message); 
 
      // Load the container we just saved 
      container = codecs.load(xmlData, 1); 
 
      // Show it 
      showContainer("After load", container); 
   } 
}

import { EngineHelper } from "../../utilities/EngineHelper"; 
 
export class AnnEngine_AnnContainerExample { 
   constructor() { 
      const helper = new EngineHelper(); 
      helper.run(this.run); 
   } 
 
   run = () => { 
      const inch = 720.0; 
 
      // Create a new annotation container, 8.5 by 11 inches 
      let container = new lt.Annotations.Engine.AnnContainer(); 
      // Size must be in annotation units (1/720 of an inch) 
      container.size = lt.LeadSizeD.create(8.5 * inch, 11 * inch); 
 
      const showContainer = (message, container) => { 
         let str = message + "\nContainer size: "; 
 
         // Add the size 
         const inch = 720; 
         const width = container.size.width / inch; 
         const height = container.size.height / inch; 
         str += width + " by " + height + " inches" + "\n"; 
 
         // Add the objects 
         str += "Contains " + container.children.count + " objects(s)\n"; 
         for (let i = 0; i < container.children.count; i++) { 
            const annObj = container.children.item(i); 
 
            str += "Object: " + annObj.get_friendlyName() + " at "; 
            for (let j = 0; j < annObj.get_points().get_count(); j++) { 
               const pt = annObj.points.item(j); 
               const x = pt.x / inch; 
               const y = pt.y / inch; 
               str += "(" + x + ", " + y + ") "; 
            } 
 
            str += "\n"; 
         } 
 
         alert(str); 
      } 
 
      // Add a red line object, from 1in 1in to 2in 2in 
      const lineObj = new lt.Annotations.Engine.AnnPolylineObject(); 
      lineObj.points.add(lt.LeadPointD.create(1 * inch, 1 * inch)); 
      lineObj.points.add(lt.LeadPointD.create(2 * inch, 2 * inch)); 
      lineObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("red"), lt.LeadLengthD.create(1)); 
      container.children.add(lineObj); 
 
      // Add a blue on yellow rectangle from 3in 3in to 4in 4in 
      const rectObj = new lt.Annotations.Engine.AnnRectangleObject(); 
      rectObj.rect = lt.LeadRectD.create(3 * inch, 3 * inch, 1 * inch, 1 * inch); 
      rectObj.stroke = lt.Annotations.Engine.AnnStroke.create(lt.Annotations.Engine.AnnSolidColorBrush.create("blue"), lt.LeadLengthD.create(1)); 
      rectObj.fill = lt.Annotations.Engine.AnnSolidColorBrush.create("yellow"); 
      container.children.add(rectObj); 
 
      // Show the container 
      showContainer("Before save", container); 
 
      // Create the codecs object to save and load annotations 
      const codecs = new lt.Annotations.Engine.AnnCodecs(); 
 
      // Save the container 
      const xmlData = codecs.save(container, lt.Annotations.Engine.AnnFormat.annotations, null, 1); 
 
      // delete the container 
      container = null; 
 
      // Show information about the data we just saved 
      const info = codecs.getInfo(xmlData); 
      let message; 
      if (info.format == lt.Annotations.Engine.AnnFormat.annotations) { 
         message = "Version: "; 
         message += info.version; 
         message += " No. of pages: "; 
         message += info.pages.length; 
         message += " page nos: "; 
         for (let i = 0; i < info.pages.length; i++) { 
            message += info.pages[i] + " "; 
         } 
      } 
      else { 
         message = "Invalid annotations data"; 
      } 
 
      alert(message); 
 
      // Load the container we just saved 
      container = codecs.load(xmlData, 1); 
 
      // Show it 
      showContainer("After load", container); 
   } 
}

<!doctype html> 
<html lang="en"> 
<title>AnnContainer Example | AnnContainer</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.Annotations.BatesStamp.js"></script> 
   <script src="../../LT/Leadtools.Demos.js"></script> 
   <script src="../../LT/Leadtools.Demos.Annotations.js"></script> 
   <style> 
      #imageViewerDiv { 
         border: 1px solid #000000; 
         width: 800px; 
         height: 800px; 
         background-color: #7F7F7F; 
      } 
   </style> 
   <!-- All demo files are bundled and appended to the window --> 
   <script src="../../bundle.js" type="text/javascript"></script> 
</head> 
 
<body> 
   <p>Either Pan/Zoom or Annotations mode. In annotations mode, draw new objects or edit them.</p> 
   <div> 
      <select id="currentObjectIdSelect"></select> 
   </div> 
   <div> 
      <input type="button" id="exampleButton" value="Example" /> 
      <label id="exampleLabel" /> 
   </div> 
   <div id="imageViewerDiv" /> 
</body> 
 
<script> 
   window.onload = () => new window.examples.AnnContainer.AnnContainerExample(); 
</script> 
</html>

Requirements

Target Platforms

Reference

AnnContainer Class

AnnContainer Members

Leadtools.Annotations.Engine Namespace

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Help Version 22.0.2023.1.31

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