ImageEffects Property

Summary

Gets or sets the brightness, highlight and contrast values to use when transferring images from the current TWAIN source.

Syntax

C++/CLI

Python

public TwainImageEffects ImageEffects { get; set; }

public: 
property TwainImageEffects ImageEffects { 
   TwainImageEffects get(); 
   void set (    TwainImageEffects ); 
}

ImageEffects # get and set (TwainSession)

Property Value

Image Effects as brightness, highlight and contrast values to use when transferring images from the current TWAIN source

Remarks

The ImageEffects property will get and set the brightness, highlight and contrast values for the current TWAIN source.

Example

using Leadtools; 
using Leadtools.Twain; 
 
 
public void ImageEffectsPropertyExample(IntPtr parent) 
{ 
   TwainSession session = new TwainSession(); 
   session.Startup(parent, "manufacturer", "productFamily", "version", "application", TwainStartupFlags.None); 
 
   TwainImageEffects imgEffects = session.ImageEffects; 
   imgEffects.Flags = TwainImageEffectsFlags.NegotiateBrightness | TwainImageEffectsFlags.NegotiateContrast | TwainImageEffectsFlags.NegotiateHighlight; 
   float contrast = imgEffects.Contrast; 
   float highlight = imgEffects.Highlight; 
   string msg = String.Format("Image Contrst = {0}\nImage Highlight = {1}", contrast, highlight); 
   MessageBox.Show(msg); 
 
   imgEffects.Brightness = 100; 
   session.ImageEffects = imgEffects; 
 
   TwainAcquirePageOptions pageOpts = session.AcquirePageOptions; 
   pageOpts.PaperSize = TwainPaperSize.A4; 
   pageOpts.PaperOrientation = TwainPaperOrientation.Landscape; 
   session.AcquirePageOptions = pageOpts; 
 
   session.Shutdown(); 
}