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DrawStarCommand Class

Summary

Draws a star on the image. This command is available in the Imaging Pro and above toolkits.

Syntax

C#
VB
WinRT C#
C++
public class DrawStarCommand : RasterCommand 
function Leadtools.ImageProcessing.SpecialEffects.DrawStarCommand() 

Remarks
  • If the image has a region, the effect will be applied on the region only.
  • This command supports 12-bit and 16-bit grayscale and 48-bit and 64-bit color images. Support for 12-bit and 16-bit grayscale and 48-bit and 64-bit color images is available only in the Document/Medical toolkits.
  • This command does not support signed data images.
  • This command does not support 32-bit grayscale images.

For more information, refer to Correcting Colors.

Example

Run the DrawStarCommand on an image.

C#
VB
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing.SpecialEffects; 
 
public void DrawStarCommandExample() 
{ 
   // Load an image 
   RasterCodecs codecs = new RasterCodecs(); 
   codecs.ThrowExceptionsOnInvalidImages = true; 
 
   RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image3.cmp")); 
 
   // Prepare the command 
   DrawStarCommand command = new DrawStarCommand(); 
 
   command.CenterPoint = new LeadPoint(image.Width / 2, image.Height / 2); 
   command.Spoke = 5; 
   command.StarWidth = image.Width / 2; 
   command.StarHeight = image.Height / 2; 
   command.HoleSize = 50; 
   command.Phase = 0; 
   command.Angle = 0; 
   command.DistanceOpacity = 0; 
   command.SpokeDivision = 0; 
   command.AngleOpacity = 0; 
   command.BorderOpacity = 0; 
   command.LowerColorFill = new RasterColor(255, 0, 0); 
   command.UpperColorFill = new RasterColor(0, 0, 255); 
   command.Opacity = 100; 
   command.Flags = DrawStarCommandFlags.Inside; 
 
   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:\Users\Public\Documents\LEADTOOLS Images"; 
} 
Imports Leadtools 
Imports Leadtools.Codecs 
Imports Leadtools.ImageProcessing.SpecialEffects 
      Leadtools.Examples.Support.SetLicense() 
 
Public Sub DrawStarCommandExample() 
   Dim codecs As New RasterCodecs() 
   codecs.ThrowExceptionsOnInvalidImages = True 
 
   Dim leadImage As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "ImageProcessingDemo\\Image3.cmp")) 
 
   ' Prepare the command 
   Dim command As DrawStarCommand = New DrawStarCommand 
   command.CenterPoint = New LeadPoint(leadImage.Width \ 2, leadImage.Height \ 2) 
   command.Spoke = 5 
   command.StarWidth = leadImage.Width \ 2 
   command.StarHeight = leadImage.Height \ 2 
   command.HoleSize = 50 
   command.Phase = 0 
   command.Angle = 0 
   command.DistanceOpacity = 0 
   command.SpokeDivision = 0 
   command.AngleOpacity = 0 
   command.BorderOpacity = 0 
   command.LowerColorFill = New RasterColor(255, 0, 0) 
   command.UpperColorFill = New RasterColor(0, 0, 255) 
   command.Opacity = 100 
   command.Flags = DrawStarCommandFlags.Inside 
 
   command.Run(leadImage) 
   codecs.Save(leadImage, Path.Combine(LEAD_VARS.ImagesDir, "Result.jpg"), RasterImageFormat.Jpeg, 24) 
 
End Sub 
 
Public NotInheritable Class LEAD_VARS 
   Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images" 
End Class 

Requirements

Target Platforms

See Also

Reference

DrawStarCommand Members

Leadtools.ImageProcessing.SpecialEffects Namespace

Correcting Colors

Leadtools.ImageProcessing.Effects.AddNoiseCommand

Leadtools.ImageProcessing.Effects.EmbossCommand

Leadtools.ImageProcessing.Effects.MosaicCommand

Leadtools.ImageProcessing.Effects.MotionBlurCommand

Leadtools.ImageProcessing.Effects.OilifyCommand

Leadtools.ImageProcessing.Color.PosterizeCommand

Leadtools.ImageProcessing.Color.RemoveRedEyeCommand

Leadtools.ImageProcessing.Color.SolarizeCommand

BumpMapCommand Class

Leadtools.ImageProcessing.Effects.CubismCommand

DryCommand Class

FreePlaneBendCommand Class

FreeRadialBendCommand Class

GlassEffectCommand Class

GlowCommand Class

LensFlareCommand Class

LightCommand Class

OceanCommand Class

PlaneBendCommand Class

PlaneCommand Class

Leadtools.ImageProcessing.Color.SampleTargetCommand

TunnelCommand Class

BendCommand Class

CylinderCommand Class

FreeHandShearCommand Class

FreeHandWaveCommand Class

ImpressionistCommand Class

PixelateCommand Class

PolarCommand Class

RadialBlurCommand Class

RadialWaveCommand Class

RippleCommand Class

SphereCommand Class

SwirlCommand Class

WaveCommand Class

WindCommand Class

ZoomBlurCommand Class

ZoomWaveCommand Class

BricksTextureCommand Class

CanvasCommand Class

CloudsCommand Class

ColoredBallsCommand Class

DiffuseGlowCommand Class

Leadtools.ImageProcessing.Effects.DisplacementCommand

FragmentCommand Class

Leadtools.ImageProcessing.Core.HalfTonePatternCommand

Leadtools.ImageProcessing.Effects.MaskConvolutionCommand

MosaicTilesCommand Class

Leadtools.ImageProcessing.Effects.OffsetCommand

PerspectiveCommand Class

PlasmaCommand Class

PointillistCommand Class

RomanMosaicCommand Class

VignnetCommand Class

ZigZagCommand Class

Leadtools.ImageProcessing.Color.AdjustTintCommand

Leadtools.ImageProcessing.Effects.ColorHalftoneCommand

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Leadtools.ImageProcessing.SpecialEffects Assembly