GifImage.Resize

Resize(int, int, ResizeType)

Resizes this Image instance.

public override void Resize(int newWidth, int newHeight, ResizeType resizeType)

Parameter	Type	Description
newWidth	Int32	The new width.
newHeight	Int32	The new height.
resizeType	ResizeType	The resize type.

Examples

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

[C#]

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

using (Aspose.Imaging.FileFormats.Gif.GifImage image = (Aspose.Imaging.FileFormats.Gif.GifImage)Aspose.Imaging.Image.Load(dir + "sample.gif"))
{
    // Scale up by 2 times using Nearest Neighbour resampling.
    image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
    image.Save(dir + "upsample.nearestneighbour.gif");
}

using (Aspose.Imaging.FileFormats.Gif.GifImage image = (Aspose.Imaging.FileFormats.Gif.GifImage)Aspose.Imaging.Image.Load(dir + "sample.gif"))
{
    // Scale down by 2 times using Nearest Neighbour resampling.
    image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.NearestNeighbourResample);
    image.Save(dir + "downsample.nearestneighbour.gif");
}

using (Aspose.Imaging.FileFormats.Gif.GifImage image = (Aspose.Imaging.FileFormats.Gif.GifImage)Aspose.Imaging.Image.Load(dir + "sample.gif"))
{
    // Scale up by 2 times using Bilinear resampling.
    image.Resize(image.Width* 2, image.Height* 2, Aspose.Imaging.ResizeType.BilinearResample);
    image.Save(dir + "upsample.bilinear.gif");
}

using (Aspose.Imaging.FileFormats.Gif.GifImage image = (Aspose.Imaging.FileFormats.Gif.GifImage)Aspose.Imaging.Image.Load(dir + "sample.gif"))
{
    // Scale down by 2 times using Bilinear resampling.
    image.Resize(image.Width / 2, image.Height / 2, Aspose.Imaging.ResizeType.BilinearResample);
    image.Save(dir + "downsample.bilinear.gif");
}

See Also

• enum ResizeType
• class GifImage
• namespace Aspose.Imaging.FileFormats.Gif
• assembly Aspose.Imaging

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Resize(int, int, ImageResizeSettings)

Resizes this Image instance.

public override void Resize(int newWidth, int newHeight, ImageResizeSettings settings)

Parameter	Type	Description
newWidth	Int32	The new width.
newHeight	Int32	The new height.
settings	ImageResizeSettings	The settings.

Examples

This example loads a GIF 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.gif"))
{
    Aspose.Imaging.FileFormats.Gif.GifImage gifImage = (Aspose.Imaging.FileFormats.Gif.GifImage)image;

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

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

See Also

• class ImageResizeSettings
• class GifImage
• namespace Aspose.Imaging.FileFormats.Gif
• assembly Aspose.Imaging