Resize

DjvuImage.Resize method (1 of 2)

Resize the image using the Resize method, providing a simple and effective way to adjust the dimensions of your images according to your requirements. This versatile functionality empowers you to easily scale images to your desired size, enhancing their usability across various platforms and applications.

public override void Resize(int newWidth, int newHeight, ResizeType resizeType)
ParameterTypeDescription
newWidthInt32The new width.
newHeightInt32The new height.
resizeTypeResizeTypeThe resize type.

Examples

This example loads a DJVU image and resizes it using various resizing methods.

[C#]

string dir = "c:\\temp\\";

using (Aspose.Imaging.FileFormats.Djvu.DjvuImage image = (Aspose.Imaging.FileFormats.Djvu.DjvuImage)Aspose.Imaging.Image.Load(dir + "sample.djvu"))
{
    // Scale up by 2 times using Nearest Neighbour resampling.
    image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);

    // Save to PNG with default options.
    image.Save(dir + "upsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

using (Aspose.Imaging.FileFormats.Djvu.DjvuImage image = (Aspose.Imaging.FileFormats.Djvu.DjvuImage)Aspose.Imaging.Image.Load(dir + "sample.djvu"))
{
    // Scale down by 2 times using Nearest Neighbour resampling.
    image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);

    // Save to PNG with default options.
    image.Save(dir + "downsample.nearestneighbour.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

using (Aspose.Imaging.FileFormats.Djvu.DjvuImage image = (Aspose.Imaging.FileFormats.Djvu.DjvuImage)Aspose.Imaging.Image.Load(dir + "sample.djvu"))
{
    // Scale up by 2 times using Bilinear resampling.
    image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.BilinearResample);

    // Save to PNG with default options.
    image.Save(dir + "upsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

using (Aspose.Imaging.FileFormats.Djvu.DjvuImage image = (Aspose.Imaging.FileFormats.Djvu.DjvuImage)Aspose.Imaging.Image.Load(dir + "sample.djvu"))
{
    // Scale down by 2 times using Bilinear resampling.
    image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.BilinearResample);

    // Save to PNG with default options.
    image.Save(dir + "downsample.bilinear.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

See Also

DjvuImage.Resize method (2 of 2)

Resize the image to the specified width and height while applying additional settings as needed. This method enables users to adjust the dimensions of the image while maintaining desired attributes such as aspect ratio, image quality, and compression settings. By providing flexibility in resizing options, users can tailor the image to fit specific requirements and optimize its appearance for various applications and platforms.

public override void Resize(int newWidth, int newHeight, ImageResizeSettings settings)
ParameterTypeDescription
newWidthInt32The new width.
newHeightInt32The new height.
settingsImageResizeSettingsThe resize settings.

Examples

This example loads a DJVU image and resizes it using various resizing settings.

[C#]

string dir = "c:\\temp\\";

Aspose.Imaging.ImageResizeSettings resizeSettings = new Aspose.Imaging.ImageResizeSettings();

// The adaptive algorithm based on weighted and blended rational function and lanczos3 interpolation.
resizeSettings.Mode = Aspose.Imaging.ResizeType.AdaptiveResample;

// The small rectangular filter
resizeSettings.FilterType = Aspose.Imaging.ImageFilterType.SmallRectangular;

// The number of colors in the palette.
resizeSettings.EntriesCount = 256;

// The color quantization is not used
resizeSettings.ColorQuantizationMethod = ColorQuantizationMethod.None;

// The euclidian method
resizeSettings.ColorCompareMethod = ColorCompareMethod.Euclidian;

using (Aspose.Imaging.Image image = (Aspose.Imaging.Image)Aspose.Imaging.Image.Load(dir + "sample.djvu"))
{
    Aspose.Imaging.FileFormats.Djvu.DjvuImage djvuImage = (Aspose.Imaging.FileFormats.Djvu.DjvuImage)image;

    // Scale down by 2 times using adaptive resampling.
    djvuImage.Resize(image.Width / 2, image.Height / 2, resizeSettings);

    // Save to PNG
    djvuImage.Save(dir + "downsample.adaptive.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

See Also

Grayscale ResizeHeightProportionally