JpegImage.SetResolution

JpegImage.SetResolution method

Establishes the resolution for the specified RasterImage, ensuring accurate scaling and printing capabilities. This method empowers users to tailor the image resolution to suit their specific requirements, whether for digital display or physical reproduction. By setting the resolution, users can optimize image quality and ensure compatibility with various output devices and mediums, enhancing the overall visual experience and usability of the image.

public override void SetResolution(double dpiX, double dpiY)
ParameterTypeDescription
dpiXDoubleThe horizontal resolution, in dots per inch, of the RasterImage.
dpiYDoubleThe vertical resolution, in dots per inch, of the RasterImage.

Examples

The following example shows how to set horizontal/vertical resolution of a JPEG image.

[C#]

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

using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.jpg"))
{
    Aspose.Imaging.FileFormats.Jpeg.JpegImage jpegImage = (Aspose.Imaging.FileFormats.Jpeg.JpegImage)image;

    // Get horizontal and vertical resolution of the BmpImage
    double horizontalResolution = jpegImage.HorizontalResolution;
    double verticalResolution = jpegImage.VerticalResolution;
    System.Console.WriteLine("The horizontal resolution, in pixels per inch: {0}", horizontalResolution);
    System.Console.WriteLine("The vertical resolution, in pixels per inch: {0}", verticalResolution);

    if (horizontalResolution != 96.0 || verticalResolution != 96.0)
    {
        // Use the SetResolution method for updating both resolution values in a single call.
        System.Console.WriteLine("Set resolution values to 96 dpi");
        jpegImage.SetResolution(96.0, 96.0);

        System.Console.WriteLine("The horizontal resolution, in pixels per inch: {0}", jpegImage.HorizontalResolution);
        System.Console.WriteLine("The vertical resolution, in pixels per inch: {0}", jpegImage.VerticalResolution);
    }

    // The output may look like this:
    // The horizontal resolution, in pixels per inch: 300
    // The vertical resolution, in pixels per inch: 300
    // Set resolution values to 96 dpi
    // The horizontal resolution, in pixels per inch: 96
    // The vertical resolution, in pixels per inch: 96
}

See Also

JpegImage.RemoveMetadata