FreeHandShearCommand Constructor()

Summary

Initializes a new FreeHandShearCommand class object with default parameters.

Syntax

C++/CLI

Python

public FreeHandShearCommand()

public: 
FreeHandShearCommand();

__init__() # Default constructor

Example

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.SpecialEffects; 
using Leadtools.ImageProcessing.Effects; 
 
 
public void FreeHandShearCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "sample5.cmp")); 
 
   // Prepare the command 
   LeadPoint[] UserPoint = new LeadPoint[4]; 
   int[] Amplitudes = new int[13]; 
 
   FreeHandShearCommand command = new FreeHandShearCommand(); 
 
   // Fill apUserPoint array with points that define a triangular wave 
   UserPoint[0].X = 0; 
   UserPoint[0].Y = 0; 
   UserPoint[1].X = 3; 
   UserPoint[1].Y = 10; 
   UserPoint[2].X = 9; 
   UserPoint[2].Y = -10; 
   UserPoint[3].X = 12; 
   UserPoint[3].Y = 0; 
 
   // Draw a triangular wave according to UserPoint points and store the Amplitudes values in the Amplitudes array. 
   EffectsUtilities.GetCurvePoints(Amplitudes, UserPoint, CurvePointsType.Linear); 
 
   // Normalize Amplitudes array (maximum value in Amplitudes is 1000 and lower is -1000). 
   int Maximum, i; 
   for (Maximum = 0, i = 0; i < 13; i++) 
   { 
      if (Maximum < Amplitudes[i]) 
         Maximum = Amplitudes[i]; 
   } 
 
   if (Maximum != 0) 
   { 
      for (i = 0; i < 13; i++) 
      { 
         Amplitudes[i] = (1000 * Amplitudes[i] / Math.Abs(Maximum)); 
      } 
   } 
 
   command.Amplitudes = Amplitudes; 
   command.Scale = 100; 
   command.FillColor = new RasterColor(0, 0, 0); 
   command.Flags = FreeHandShearCommandFlags.Horizontal | FreeHandShearCommandFlags.Repeat; 
 
   // Apply the shear wave horizontally. 
   command.Run(image); 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24); 
 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

Requirements

Target Platforms

Reference

FreeHandShearCommand Class

FreeHandShearCommand Members

Overload List

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Help Version 23.0.2024.2.29

Leadtools.ImageProcessing.SpecialEffects Assembly

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