DjvuImage
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DjvuImage constructor (1 of 2)
Initializes a new instance of the DjvuImage
class.
public DjvuImage(Stream stream)
Parameter | Type | Description |
---|---|---|
stream | Stream | The stream. |
Exceptions
exception | condition |
---|---|
DjvuImageException | Stream is empty |
Examples
This example shows how to load a DJVU image from a file stream.
[C#]
string dir = "c:\\temp\\";
// Load a DJVU image from a file stream.
using (System.IO.Stream stream = System.IO.File.OpenRead(dir + "sample.djvu"))
{
using (Aspose.Imaging.FileFormats.Djvu.DjvuImage djvuImage = new Aspose.Imaging.FileFormats.Djvu.DjvuImage(stream))
{
// Save each page as an individual PNG image.
foreach (Aspose.Imaging.FileFormats.Djvu.DjvuPage djvuPage in djvuImage.Pages)
{
// Generate a file name based on the page number.
string fileName = string.Format("sample.{0}.png", djvuPage.PageNumber);
djvuPage.Save(dir + fileName, new Aspose.Imaging.ImageOptions.PngOptions());
}
}
}
See Also
- class DjvuImage
- namespace Aspose.Imaging.FileFormats.Djvu
- assembly Aspose.Imaging
DjvuImage constructor (2 of 2)
Initializes a new instance of the DjvuImage
class.
public DjvuImage(Stream stream, LoadOptions loadOptions)
Parameter | Type | Description |
---|---|---|
stream | Stream | The stream to load from. |
loadOptions | LoadOptions | The load options. |
Exceptions
exception | condition |
---|---|
DjvuImageException | Stream is empty |
Examples
This example shows how to load a DJVU image from a file stream to stay within the specified memory limit.
[C#]
string dir = "c:\\temp\\";
// Load a DJVU image from a file stream.
using (System.IO.Stream stream = System.IO.File.OpenRead(dir + "sample.djvu"))
{
// The max allowed size for all internal buffers is 1MB.
Aspose.Imaging.LoadOptions loadOptions = new Aspose.Imaging.LoadOptions();
loadOptions.BufferSizeHint = 1 * 1024 * 1024;
using (Aspose.Imaging.FileFormats.Djvu.DjvuImage djvuImage = new Aspose.Imaging.FileFormats.Djvu.DjvuImage(stream, loadOptions))
{
// Save each page as an individual PNG image.
foreach (Aspose.Imaging.FileFormats.Djvu.DjvuPage djvuPage in djvuImage.Pages)
{
// Generate a file name based on the page number.
string fileName = string.Format("sample.{0}.png", djvuPage.PageNumber);
djvuPage.Save(dir + fileName, new Aspose.Imaging.ImageOptions.PngOptions());
}
}
}
See Also
- class LoadOptions
- class DjvuImage
- namespace Aspose.Imaging.FileFormats.Djvu
- assembly Aspose.Imaging