Aspsoe.Imaging for .NET and Java 19.12 Blog

CreateJPEG2000.cs

// Setting a memory limit of 10 megabytes for target created image
// JP2 codec
ImageOptionsBase createOptions = new Jpeg2000Options { Codec = Jpeg2000Codec.Jp2 };
createOptions.BufferSizeHint = 10;
createOptions.Source = new FileCreateSource("createdFile.jp2", false);
using (var image = Image.Create(createOptions, 1000, 1000)) {
   image.Save(); // save to same location
}

// J2K codec
ImageOptionsBase createOptions = new Jpeg2000Options { Codec = Jpeg2000Codec.J2K };
createOptions.BufferSizeHint = 10;
createOptions.Source = new FileCreateSource("createdFile.j2k", false);
using (var image = Image.Create(createOptions, 1000, 1000)) {
   image.Save(); // save to same location
}

CreateJPEG2000.java

// Setting a memory limit of 10 megabytes for target created image
// JP2 codec
try(Jpeg2000Options createOptions = new Jpeg2000Options())
{
    createOptions.setCodec(Jpeg2000Codec.Jp2);
    createOptions.setBufferSizeHint(10);
    createOptions.setSource(new FileCreateSource("createdFile.jp2", false));
    try (Image image = Image.create(createOptions, 1000, 1000))
    {
        image.save(); // save to same location
    }
}

// J2K codec
try(Jpeg2000Options createOptions = new Jpeg2000Options())
{
    createOptions.setCodec(Jpeg2000Codec.J2K);
    createOptions.setBufferSizeHint(10);
    createOptions.setSource(new FileCreateSource("createdFile.j2k", false));
    try (Image image = Image.create(createOptions, 1000, 1000))
    {
        image.save(); // save to same location
    }
}

LoadDjVu.cs

// Setting a memory limit of 50 megabytes for target loaded image
using (DjvuImage image = (DjvuImage)Image.Load("test.djvu", new LoadOptions { BufferSizeHint = 50 }))
{
    for (int pageNum = 0; pageNum < image.Pages.Length; pageNum++) {
    image.Pages[pageNum].Save("page" + pageNum + ".png", new PngOptions());
  }
}

LoadDjVu.java

// Setting a memory limit of 50 megabytes for target loaded image
try (DjvuImage image = (DjvuImage)Image.load("test.djvu", new LoadOptions() {{ setBufferSizeHint(50); }}))
{
    int pageNum = 0;
    for (DjvuPage page : image.getPages())
    {
        page.save("page" + pageNum + ".png", new PngOptions());
        pageNum++;
    }
}

LoadJPEG2000.cs

// Setting a memory limit of 10 megabytes for target loaded image
// JP2 codec
using (Image image = Image.Load("inputFile.jp2", new LoadOptions() { BufferSizeHint = 10 })) {
   image.Save("outputFile.jp2");
}

// J2K codec
using (Image image = Image.Load("inputFile.j2k", new LoadOptions() { BufferSizeHint = 10 })) {
   image.Save("outputFile.j2k");
}

LoadJPEG2000.java

// Setting a memory limit of 10 megabytes for target loaded image
// JP2 codec
try (Image image = Image.load("inputFile.jp2", new LoadOptions() {{ setBufferSizeHint(10); }}))
{
    image.save("outputFile.jp2");
}

// J2K codec
try (Image image = Image.load("inputFile.j2k", new LoadOptions() {{ setBufferSizeHint(10); }}))
{
    image.save("outputFile.j2k");
}