The InvertedTextActivity Class is available in LEADTOOLS Document and Medical Imaging toolkits.
Finds and modifies areas of inverted text in a 1-bit black and white image. This command is available in the Document/Medical Toolkits.
Object Model
Syntax
| Visual Basic (Declaration) | |
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Public Class InvertedTextActivity Inherits ImageProcessingBaseActivity Implements IComponent, IDisposable | |
| Visual Basic (Usage) |  Copy Code |
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Dim instance As InvertedTextActivity | |
| C# | |
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public class InvertedTextActivity : ImageProcessingBaseActivity, IComponent, IDisposable | |
| C++/CLI | |
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public ref class InvertedTextActivity : public ImageProcessingBaseActivity, IComponent, IDisposable | |
Remarks
- This command finds and modifies areas of inverted text that are common in scanned text documents. An example of inverted text is shown in the following figure:
Modifying the area of inverted text yields the following:
- This activity works only on 1-bit black and white images.
- This activity does not support signed data images.
- This activity does not support 32-bit grayscale images.
Inheritance Hierarchy
System.Object
System.Workflow.ComponentModel.DependencyObject
System.Workflow.ComponentModel.Activity
Leadtools.Workflow.Raster.WorkflowImageActivity
Leadtools.Workflow.Raster.DisposableImageActivity
Leadtools.Workflow.ImageProcessing.ImageProcessingBaseActivity
Leadtools.Workflow.ImageProcessing.InvertedTextActivity
Requirements
Target Platforms: Microsoft .NET Framework 3.0, Windows 2000, Windows XP, Windows Server 2003 family, Windows Server 2008 family, Windows Vista, Windows 7