AdjustContrast

GifImage.AdjustContrast method

Adjusts the contrast.

public override void AdjustContrast(float contrast)
Parameter Type Description
contrast Single Contrast value (in range [-100; 100])

Exceptions

exception condition
ImageException Can’t change contrast. Frame index: " + frameIndex

Examples

The following example performs contrast correction of a GIF image.

[C#]

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

using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.gif"))
{
    Aspose.Imaging.FileFormats.Gif.GifImage gifImage = (Aspose.Imaging.FileFormats.Gif.GifImage)image;

    // Set the contrast value. The accepted values of contrast are in the range [-100f, 100f].
    gifImage.AdjustContrast(50f);
    gifImage.Save(dir + "sample.AdjustContrast.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

See Also