Flags Property

Summary

Options to keep the resulting image the same size as the original image or to resize according to the rotation direction specified as well control the quality of the rotation.

Syntax

Objective-C

C++/CLI

Java

Python

public HighQualityRotateCommandFlags Flags { get; set; }

@property (nonatomic, assign) LTHighQualityRotateCommandFlags flags;

public int getFlags(); 
public void setFlags( 
   int intValue 
);

public: 
property HighQualityRotateCommandFlags Flags { 
   HighQualityRotateCommandFlags get(); 
   void set (    HighQualityRotateCommandFlags ); 
}

Flags # get and set (HighQualityRotateCommand)

Property Value

One or more HighQualityRotateCommandFlags enumeration members ORed together.

Remarks

For more information, refer to HighQualityRotateCommandFlags enumeration.

Example

Java

using Leadtools; 
using Leadtools.Codecs; 
using Leadtools.ImageProcessing; 
using Leadtools.ImageProcessing.Core; 
 
public void HighQualityRotateCommandExample() 
{ 
   RasterCodecs codecs = new RasterCodecs(); 
 
   // Get an image 
   string tifFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1.tif"); 
   string normalRotateFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1_NormalRotated.tif"); 
   string highQualityRotateFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1_HighQualityRotated.tif"); 
 
   int angle = 30 * 100; 
   RasterColor fillColor = RasterColor.FromKnownColor(RasterKnownColor.White); 
 
   // Load the image, rotate normally by 30 degrees and save 
   using (RasterImage image = codecs.Load(tifFileName)) 
   { 
      RotateCommand cmd = new RotateCommand(); 
      cmd.Angle = angle; 
      cmd.Flags = RotateCommandFlags.Resize | RotateCommandFlags.Bicubic; 
      cmd.FillColor = fillColor; 
      cmd.Run(image); 
      codecs.Save(image, normalRotateFileName, image.OriginalFormat, image.BitsPerPixel); 
   } 
 
 
   // Load the image, rotate with high quality by 30 degrees and save 
   using (RasterImage image = codecs.Load(tifFileName)) 
   { 
      HighQualityRotateCommand cmd = new HighQualityRotateCommand(); 
      cmd.Angle = angle; 
      cmd.Flags = HighQualityRotateCommandFlags.Resize | HighQualityRotateCommandFlags.BestQuality; 
      cmd.FillColor = fillColor; 
      cmd.Run(image); 
      codecs.Save(image, highQualityRotateFileName, image.OriginalFormat, image.BitsPerPixel); 
   } 
 
   // Now compare the saved TIF files and notice the difference in quality between 
   // the normal rotate and high quality 
 
   codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
}

 
import java.io.File; 
import java.io.IOException; 
 
import org.junit.*; 
import org.junit.runner.JUnitCore; 
import org.junit.runner.Result; 
import org.junit.runner.notification.Failure; 
import static org.junit.Assert.*; 
 
import leadtools.*; 
import leadtools.codecs.*; 
import leadtools.imageprocessing.*; 
import leadtools.imageprocessing.core.*; 
 
 
public void highQualityRotateCommandExample() { 
 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   RasterCodecs codecs = new RasterCodecs(); 
 
   // Get an image 
   String tifFileName = combine(LEAD_VARS_IMAGES_DIR, "ocr1.tif"); 
   String normalRotateFileName = combine(LEAD_VARS_IMAGES_DIR, "ocr1_NormalRotated.tif"); 
   String highQualityRotateFileName = combine(LEAD_VARS_IMAGES_DIR, "ocr1_HighQualityRotated.tif"); 
 
   int angle = 30 * 100; 
   RasterColor fillColor = RasterColor.fromKnownColor(RasterKnownColor.WHITE); 
 
   // Load the image, rotate normally by 30 degrees and save 
   RasterImage image = codecs.load(tifFileName); 
   RotateCommand cmd = new RotateCommand(); 
   cmd.setAngle(angle); 
   cmd.setFlags(RotateCommandFlags.RESIZE.getValue() | RotateCommandFlags.BICUBIC.getValue()); 
   cmd.setFillColor(fillColor); 
   cmd.run(image); 
   codecs.save(image, normalRotateFileName, image.getOriginalFormat(), image.getBitsPerPixel()); 
   image.dispose(); 
 
   assertTrue(new File(normalRotateFileName).exists()); 
   System.out.println("Command run and image exported to: " + normalRotateFileName); 
 
   // Load the image, rotate with high quality by 30 degrees and save 
   image = codecs.load(tifFileName); 
   HighQualityRotateCommand command = new HighQualityRotateCommand(); 
   command.setAngle(angle); 
   command.setFlags( 
         HighQualityRotateCommandFlags.RESIZE.getValue() | HighQualityRotateCommandFlags.BEST_QUALITY.getValue()); 
   command.setFillColor(fillColor); 
   assertTrue(cmd.getAngle() == 3000 && cmd.getFillColor() == fillColor); 
   command.run(image); 
   codecs.save(image, highQualityRotateFileName, image.getOriginalFormat(), image.getBitsPerPixel()); 
 
   assertTrue(new File(highQualityRotateFileName).exists()); 
   System.out.println("Command run and image exported to: " + highQualityRotateFileName); 
 
   image.dispose(); 
 
   // Now compare the saved TIF files and notice the difference in quality between 
   // the normal rotate and high quality 
 
   codecs.dispose(); 
 
}

Requirements

Target Platforms

Reference

HighQualityRotateCommand Class

HighQualityRotateCommand Members

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Help Version 23.0.2024.3.3

Leadtools.ImageProcessing.Core Assembly

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