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GetNearestPixelFormat Method

Summary
Gets the GDI+ System.Drawing.Imaging.PixelFormat that is closest to a source Leadtools.RasterImage data.
Syntax
C#
C++/CLI
Python
public static PixelFormat GetNearestPixelFormat( 
   RasterImage image 
) 
public: 
static PixelFormat GetNearestPixelFormat(  
   RasterImage^ image 
)  
def GetNearestPixelFormat(self,image): 

Parameters

image
The source image.

Remarks

You can pass the value returned from this property to the MakeCompatible method.

For more information refer to RasterImage and GDI/GDI+.

Example
C#
using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.Drawing; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Color; 
 
 
public void ConvertToImageExample() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
 
   string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp"); 
   string destFileName1 = Path.Combine(LEAD_VARS.ImagesDir, "GdiPlusImage.bmp"); 
   string destFileName2 = Path.Combine(LEAD_VARS.ImagesDir, "Image1_FromGdiPlusImage.bmp"); 
 
   // Load the image 
   using (RasterImage srcImage = codecs.Load(srcFileName)) 
   { 
      // Convert to GDI+ image 
      ImageIncompatibleReason reason = RasterImageConverter.TestCompatible(srcImage, true); 
      PixelFormat pf = RasterImageConverter.GetNearestPixelFormat(srcImage); 
      Console.WriteLine("TestCompatible: {0}", reason); 
      Console.WriteLine("GetNearestPixelFormat:{0}", pf); 
 
      if (reason != ImageIncompatibleReason.Compatible) 
      { 
         RasterImageConverter.MakeCompatible(srcImage, pf, true); 
      } 
 
      using (Image destImage1 = RasterImageConverter.ConvertToImage(srcImage, ConvertToImageOptions.None)) 
      { 
         // Save this image to disk 
         destImage1.Save(destFileName1, ImageFormat.Bmp); 
 
         // Convert the GDI+ image back to a RasterImage 
         using (RasterImage destImage2 = RasterImageConverter.ConvertFromImage(destImage1, ConvertFromImageOptions.None)) 
         { 
            // Save it to disk 
            codecs.Save(destImage2, destFileName2, RasterImageFormat.Bmp, 24); 
         } 
      } 
   } 
 
   // Clean up 
   codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS22\Resources\Images"; 
} 
Requirements

Target Platforms

Help Version 22.0.2023.3.31
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Leadtools.Drawing Assembly

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© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.