LEADTOOLS画像ファイルサポート(Leadtools.Codecsアセンブリ)

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CodecsJbigOptionsクラス








メンバ 
JBIGイメージのロードと保存についての追加のオプションを提供します。
オブジェクトモデル
構文
public class CodecsJbigOptions 
'Declaration
 
Public Class CodecsJbigOptions 
'Usage
 
Dim instance As CodecsJbigOptions
public sealed class CodecsJbigOptions 
@interface LTCodecsJbigOptions : NSObject
public class CodecsJbigOptions
function Leadtools.Codecs.CodecsJbigOptions()
public ref class CodecsJbigOptions 
サンプル
Copy Code  
Imports Leadtools
Imports Leadtools.Codecs

      
Public Sub CodecsJbigOptionsExample()
   Dim codecs As RasterCodecs = New RasterCodecs()
   Dim srcFileName As String = Path.Combine(LEAD_VARS.ImagesDir, "Image1.cmp")
   Dim srcImage As RasterImage = codecs.Load(srcFileName)

   ' Ex: If the file contains the image 
   ' at the following dimensions: 800X600, 
   ' 400X 300 and 200X150 and the user requests 
   ' an image with width equal to 180 for example, 
   ' then LEADTOOLS will automatically know that the 
   ' proper width is 200 and load the image at the (200X150) resolution.         
   codecs.Options.Jbig.Load.Resolution = New LeadSize(180, 0)
   Dim sizes As LeadSize() = New LeadSize(2) {}
   sizes(0) = New LeadSize(800, 600)
   sizes(1) = New LeadSize(400, 300)
   sizes(2) = New LeadSize(200, 150)
   codecs.Options.Save.SetResolutions(sizes)
   codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"), RasterImageFormat.Jbig, 8)
   srcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"))

   codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "jbg.bmp"), RasterImageFormat.Bmp, 1)

   ' Clean up
   srcImage.Dispose()
   codecs.Dispose()
End Sub

Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\Users\Public\Documents\LEADTOOLS Images"
End Class
using Leadtools;
using Leadtools.Codecs;

      
public void CodecsJbigOptionsExample()
{
   RasterCodecs codecs = new RasterCodecs();
   string srcFileName = Path.Combine(LEAD_VARS.ImagesDir, "ocr1.tif");
   RasterImage srcImage = codecs.Load(srcFileName);

   // Ex: If the file contains the image 
   // at the following dimensions: 800X600, 
   // 400X 300 and 200X150 and the user requests 
   // an image with width equal to 180 for example, 
   // then LEADTOOLS will automatically know that the 
   // proper width is 200 and load the image at the (200X150) resolution.         
   codecs.Options.Jbig.Load.Resolution = new LeadSize(180, 0);
   LeadSize[] sizes = new LeadSize[3];
   sizes[0] = new LeadSize(800, 600);
   sizes[1] = new LeadSize(400, 300);
   sizes[2] = new LeadSize(200, 150);
   codecs.Options.Save.SetResolutions(sizes);
   codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"), RasterImageFormat.Jbig, 8);
   srcImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "Image1_test.jbg"));

   codecs.Save(srcImage, Path.Combine(LEAD_VARS.ImagesDir, "jbg.bmp"), RasterImageFormat.Bmp, 1);

   // Clean up
   srcImage.Dispose();
   codecs.Dispose();
}

static class LEAD_VARS
{
public const string ImagesDir = @"C:\Users\Public\Documents\LEADTOOLS Images";
}
CodecsOptionsExamples.prototype.CodecsJbigOptionsExample = function ( )
{
   Tools.SetLicense ( ) ;
   with (Leadtools) {
      with (Leadtools.Codecs) {
         var codecs = new RasterCodecs();

         // Load the image
         var srcFileName = "Assets\\Image1.cmp";
         var image;
         return Tools.AppInstallFolder().getFileAsync(srcFileName).then(function (loadFile) {
            return codecs.loadAsync(LeadStreamFactory.create(loadFile))
         })
         .then(function (img) {
            image = img;
            // Ex: If the file contains the image 
            // at the following dimensions: 800X600, 
            // 400X 300 and 200X150 and the user requests 
            // an image with width equal to 180 for example, 
            // then LEADTOOLS will automatically know that the 
            // proper width is 200 and load the image at the (200X150) resolution.         
            codecs.options.jbig.load.resolution = LeadSizeHelper.create(180, 0);
            var sizes = new Array();

            sizes[0] = LeadSizeHelper.create(800, 600);
            sizes[1] = LeadSizeHelper.create(400, 300);
            sizes[2] = LeadSizeHelper.create(200, 150);
            codecs.options.save.setResolutions(sizes);

            var destFileName = "Image1_test.jbg";
            return Tools.AppLocalFolder().createFileAsync(destFileName)
         })
         .then(function (saveFile) {
            return codecs.saveAsync(image, LeadStreamFactory.create(saveFile), RasterImageFormat.jbig, 8)
         })
         .then(function () {

            srcFileName = "Image1_test.jbg";
            return Tools.AppLocalFolder().getFileAsync(srcFileName)
         })
         .then(function (loadFile) {
            return codecs.loadAsync(LeadStreamFactory.create(loadFile))
         })
         .then(function (img) {
            image = img;

            destFileName = "jbg.bmp";
            return Tools.AppLocalFolder().createFileAsync(destFileName)
         })
         .then(function (saveFile) {
            return codecs.saveAsync(image, LeadStreamFactory.create(saveFile), RasterImageFormat.bmp, 1)
         })
         .then(function () {
            // Clean up
            image.close();
            codecs.close();
         });
      }
   }
}
using Leadtools;
using Leadtools.Codecs;

      
public async Task CodecsJbigOptionsExample()
{
   RasterCodecs codecs = new RasterCodecs();
   // Load the image
   string srcFileName = @"Assets\Image1.cmp";
   StorageFile loadFile = await Tools.AppInstallFolder.GetFileAsync(srcFileName);
   RasterImage image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   // Ex: If the file contains the image 
   // at the following dimensions: 800X600, 
   // 400X 300 and 200X150 and the user requests 
   // an image with width equal to 180 for example, 
   // then LEADTOOLS will automatically know that the 
   // proper width is 200 and load the image at the (200X150) resolution.         
   codecs.Options.Jbig.Load.Resolution = LeadSizeHelper.Create(180, 0);
   LeadSize[] sizes = new LeadSize[3];
   sizes[0] = LeadSizeHelper.Create(800, 600);
   sizes[1] = LeadSizeHelper.Create(400, 300);
   sizes[2] = LeadSizeHelper.Create(200, 150);
   codecs.Options.Save.SetResolutions(sizes);

   string destFileName = @"Image1_test.jbg";
   StorageFile saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Jbig, 8);

   srcFileName = @"Image1_test.jbg";
   loadFile = await Tools.AppLocalFolder.GetFileAsync(srcFileName);
   image = await codecs.LoadAsync(LeadStreamFactory.Create(loadFile));

   destFileName = @"jbg.bmp";
   saveFile = await Tools.AppLocalFolder.CreateFileAsync(destFileName);
   await codecs.SaveAsync(image, LeadStreamFactory.Create(saveFile), RasterImageFormat.Bmp, 1);

   // Clean up
   image.Dispose();
   codecs.Dispose();
}
using Leadtools;
using Leadtools.Codecs;
using Leadtools.Examples;
using Leadtools.ImageProcessing;

public void CodecsJbigOptionsExample(Stream inStream, Stream outStreamJbig, Stream outStreamBmp)
{
   RasterCodecs codecs = new RasterCodecs();
   RasterImage srcImage = codecs.Load(inStream);

   // Ex: If the file contains the image 
   // at the following dimensions: 800X600, 
   // 400X 300 and 200X150 and the user requests 
   // an image with width equal to 180 for example, 
   // then LEADTOOLS will automatically know that the 
   // proper width is 200 and load the image at the (200X150) resolution.         
   codecs.Options.Jbig.Load.Resolution = new LeadSize(180, 0);
   LeadSize[] sizes = new LeadSize[3];
   sizes[0] = new LeadSize(800, 600);
   sizes[1] = new LeadSize(400, 300);
   sizes[2] = new LeadSize(200, 150);
   codecs.Options.Save.SetResolutions(sizes);
   codecs.Save(srcImage, outStreamJbig, RasterImageFormat.Jbig, 8);

   srcImage = codecs.Load(outStreamJbig);
   codecs.Save(srcImage, outStreamBmp, RasterImageFormat.Bmp, 1);

   // Clean up
   srcImage.Dispose();
}
Imports Leadtools
Imports Leadtools.Codecs
Imports Leadtools.ImageProcessing

Public Sub CodecsJbigOptionsExample(ByVal inStream As Stream, ByVal outStreamJbig As Stream, ByVal outStreamBmp As Stream)
   Dim codecs As RasterCodecs = New RasterCodecs()
   Dim srcImage As RasterImage = codecs.Load(inStream)

   ' Ex: If the file contains the image 
   ' at the following dimensions: 800X600, 
   ' 400X 300 and 200X150 and the user requests 
   ' an image with width equal to 180 for example, 
   ' then LEADTOOLS will automatically know that the 
   ' proper width is 200 and load the image at the (200X150) resolution.         
   codecs.Options.Jbig.Load.Resolution = New LeadSize(180, 0)
   Dim sizes As LeadSize() = New LeadSize(2){}
   sizes(0) = New LeadSize(800, 600)
   sizes(1) = New LeadSize(400, 300)
   sizes(2) = New LeadSize(200, 150)
   codecs.Options.Save.SetResolutions(sizes)
   codecs.Save(srcImage, outStreamJbig, RasterImageFormat.Jbig, 8)

   srcImage = codecs.Load(outStreamJbig)
   codecs.Save(srcImage, outStreamBmp, RasterImageFormat.Bmp, 1)

   ' Clean up
   srcImage.Dispose()
End Sub
必要条件

ターゲットプラットホーム

参照

参照

CodecsJbigOptionsメンバ
Leadtools.Codecs名前空間
JBIG機能の実装