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FixedPalette Property

Summary
Enables or disables saving the file using the LEAD fixed palette.
Syntax
C#
Objective-C
C++/CLI
Java
Python
public bool FixedPalette { get; set; } 
@property (nonatomic, assign) BOOL fixedPalette; 
public boolean getFixedPalette() 
public void setFixedPalette(boolean value) 
public: 
property bool FixedPalette { 
   bool get(); 
   void set (    bool ); 
} 
FixedPalette # get and set (CodecsSaveOptions) 

Property Value

{'compact:300px}

Value Description
true To force the saved image to use the LEAD fixed palette.
false To not force the saved image to use the LEAD fixed palette. The default value is false.
Example
C#
Java
using Leadtools; 
using Leadtools.Codecs; 
 
using Leadtools.ImageProcessing.Core; 
using Leadtools.Pdf; 
 
 
RasterImage image; 
private void Codecs_LoadImage(object sender, CodecsLoadImageEventArgs e) 
{ 
   //copy each row of data into our manually allocated RasterImage 
   image.SetRow(e.Row, e.Buffer.Data, image.BytesPerLine * e.Lines); 
} 
 
public void AllocateImageExample() 
{ 
   string fileName = Path.Combine(LEAD_VARS.ImagesDir, "image1.cmp"); 
   RasterCodecs codecs = new RasterCodecs(); 
   CodecsImageInfo info = codecs.GetInformation(fileName, false); 
   int size = info.Width * info.Height * info.BitsPerPixel; 
   IntPtr data = Marshal.AllocHGlobal(size); 
 
   image = new RasterImage(RasterMemoryFlags.User, info.Width, info.Height, info.BitsPerPixel, RasterByteOrder.Bgr, info.ViewPerspective, null, data, size); 
   image.Access(); 
   //Setting the loading options. 
   //Do NOT allow LEADTOOLS to allocate the image data 
   codecs.Options.Load.AllocateImage = false; // CodecsOptions & CodecsLoadOptions reference 
   codecs.Options.Load.StoreDataInImage = false; 
   //keeping the loaded image data compressed in memory. 
   codecs.Options.Load.Compressed = true; 
   codecs.Options.Load.DiskMemory = false; 
   //force a palletized image to be dithered to the LEAD fixed palette. 
   codecs.Options.Load.FixedPalette = true; 
   //we know the format of the file 
   codecs.Options.Load.Format = RasterImageFormat.Cmp; 
   //disable loading metadata markers if present in the file, false to ignore them. 
   codecs.Options.Load.Markers = false; 
   codecs.Options.Load.NoDiskMemory = true; 
   codecs.Options.Load.NoInterlace = false; 
   codecs.Options.Load.NoTiledMemory = true; 
   codecs.Options.Load.Passes = 0; 
   //ignore the view perspective stored in the file. 
   codecs.Options.Load.Rotated = false; 
   //set negative pixel values to 0. 
   codecs.Options.Load.Signed = false; 
   codecs.Options.Load.InitAlpha = true; 
   //load super-compressed in memory 
   codecs.Options.Load.SuperCompressed = true; 
   codecs.Options.Load.TiledMemory = false; 
   codecs.Options.Load.XResolution = 350; 
   codecs.Options.Load.YResolution = 350; 
   //allow loading corrupted images 
   codecs.Options.Load.LoadCorrupted = true; 
 
   codecs.LoadImage += Codecs_LoadImage; 
   codecs.Load(fileName); 
   codecs.LoadImage -= Codecs_LoadImage; 
   image.Release(); 
 
   //Meta file's comments will be saved. 
   //CodecsSaveOptions reference 
   codecs.Options.Save.Comments = true; 
   codecs.Options.Save.FixedPalette = true; 
   codecs.Options.Save.GeoKeys = false; 
   //Tiff file output will be gray. 
   codecs.Options.Save.GrayOutput = true; 
   //Meta file's markers will be saved. 
   codecs.Options.Save.Markers = true; 
   codecs.Options.Save.MotorolaOrder = false; 
   codecs.Options.Save.OptimizedPalette = true; 
   codecs.Options.Save.Password = "LEADTOOLS"; 
 
   LeadSize[] resolutions = new LeadSize[1]; 
   resolutions[0].Width = 350; 
   resolutions[0].Height = 350; 
 
   codecs.Options.Save.GetResolutions(); 
   codecs.Options.Save.SetResolutions(resolutions); 
   codecs.Options.Save.Reset(); 
 
   //Meta file's tags will be saved. 
   codecs.Options.Save.Tags = true; 
   codecs.Options.Save.UseImageDitheringMethod = true; 
 
 
 
   codecs.Save(image, Path.Combine(LEAD_VARS.ImagesDir, "allocate_image.tif"), RasterImageFormat.Tif, 8, 1, image.PageCount, 1, CodecsSavePageMode.Overwrite); 
 
   // Finalize cannot be called directly, it is invoked automatically. 
   // To clean up before exiting, use Dispose 
   image.Dispose(); 
   Marshal.FreeHGlobal(data); 
   codecs.Dispose(); 
} 
 
static class LEAD_VARS 
{ 
   public const string ImagesDir = @"C:\LEADTOOLS23\Resources\Images"; 
} 
 
import java.io.File; 
import java.io.IOException; 
import java.net.URI; 
import java.net.URISyntaxException; 
import java.nio.file.Paths; 
 
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.core.MinMaxBitsCommand; 
 
 
RasterImage image; 
 
public void codecsAllocateImageExample() { 
   final String LEAD_VARS_IMAGES_DIR = "C:\\LEADTOOLS23\\Resources\\Images"; 
   String fileName = combine(LEAD_VARS_IMAGES_DIR, "barcode1.tif"); 
   RasterCodecs codecs = new RasterCodecs(); 
   CodecsImageInfo info = codecs.getInformation(fileName, false); 
   byte[] data = new byte[1]; 
   image = new RasterImage(10, info.getWidth(), info.getHeight(), info.getBitsPerPixel(), info.getOrder(), 
         info.getViewPerspective(), info.getPalette(), data, data.length); 
   image.access(); 
 
   // Setting the loading options. 
   // Do NOT allow LEADTOOLS to allocate the image data 
   codecs.getOptions().getLoad().setAllocateImage(false);// CodecsOptions & CodecsLoadOptions reference 
   codecs.getOptions().getLoad().setStoreDataInImage(false); 
 
   // keeping the loaded image data compressed in memory. 
   codecs.getOptions().getLoad().setCompressed(true); 
   codecs.getOptions().getLoad().setDiskMemory(false); 
 
   // force a palletized image to be dithered to the LEAD fixed palette. 
   codecs.getOptions().getLoad().setFixedPalette(true); 
 
   // we know the format of the file 
   codecs.getOptions().getLoad().setFormat(RasterImageFormat.CMP); 
 
   // disable loading metadata markers if present in the file, false to ignore 
   // them. 
   codecs.getOptions().getLoad().setMarkers(false); 
   codecs.getOptions().getLoad().setNoDiskMemory(true); 
   codecs.getOptions().getLoad().setNoInterlace(false); 
   codecs.getOptions().getLoad().setNoTiledMemory(true); 
   codecs.getOptions().getLoad().setPasses(0); 
 
   // ignore the view perspective stored in the file. 
   codecs.getOptions().getLoad().setRotated(false); 
 
   // set negative pixel values to 0. 
   codecs.getOptions().getLoad().setSigned(false); 
   codecs.getOptions().getLoad().setInitAlpha(true); 
 
   // load super-compressed in memory 
   codecs.getOptions().getLoad().setSuperCompressed(true); 
   codecs.getOptions().getLoad().setTiledMemory(false); 
   codecs.getOptions().getLoad().setXResolution(350); 
   codecs.getOptions().getLoad().setYResolution(350); 
 
   // allow loading corrupted images 
   codecs.getOptions().getLoad().setLoadCorrupted(true); 
 
   // Created this method below 
   codecs.addLoadImageListener(loadListener); 
   codecs.load(fileName); 
   codecs.removeLoadImageListener(loadListener); 
   image.release(); 
 
   // Meta file's comments will be saved. 
   // CodecsSaveOptions reference 
   codecs.getOptions().getSave().setComments(true); 
   codecs.getOptions().getSave().setFixedPalette(true); 
   codecs.getOptions().getSave().setGeoKeys(false); 
 
   // tiff file output will be gray. 
   codecs.getOptions().getSave().setGrayOutput(true); 
 
   // Meta file's markers will be saved. 
   codecs.getOptions().getSave().setMarkers(true); 
   codecs.getOptions().getSave().setMotorolaOrder(false); 
   codecs.getOptions().getSave().setOptimizedPalette(true); 
   codecs.getOptions().getSave().setPassword("LEADTOOLS"); 
   LeadSize[] resolutions = new LeadSize[1]; 
   resolutions[0] = new LeadSize(); 
   resolutions[0].setWidth(350); 
   resolutions[0].setHeight(350); 
   codecs.getOptions().getSave().getResolutions(); 
   codecs.getOptions().getSave().setResolutions(resolutions); 
   codecs.getOptions().getSave().reset(); 
 
   // Meta file's tags will be saved. 
   codecs.getOptions().getSave().setTags(true); 
   codecs.getOptions().getSave().setUseImageDitheringMethod(true); 
 
   String outputFileName = combine(LEAD_VARS_IMAGES_DIR, "allocate_image.tif"); 
   codecs.save(image, outputFileName, RasterImageFormat.TIF, 8, 1, image.getPageCount(), 1, 
         CodecsSavePageMode.OVERWRITE); 
 
   assertTrue("File unsuccessfully saved to " + outputFileName, (new File(outputFileName)).exists()); 
   System.out.printf("File successfully saved to %s%n", outputFileName); 
 
   // Finalize cannot be called directly, it is invoked automatically. 
   // To clean up before exiting, use Dispose 
   image.dispose(); 
   data = null; 
   codecs.dispose(); 
} 
 
CodecsLoadImageListener loadListener = new CodecsLoadImageListener() { 
 
   @Override 
   public void onLoadImage(CodecsLoadImageEvent e) { 
      image.setRow(e.getRow(), e.getBuffer().getData(), image.getBytesPerLine() * e.getLines()); 
   } 
 
}; 
Requirements

Target Platforms

Help Version 23.0.2024.2.29
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Leadtools.Codecs Assembly
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2023 LEAD Technologies, Inc. All Rights Reserved.