/// <summary>
/// Test GetPictureDistortion function
/// </summary>
private void ButtonMeasure_Click(object sender, EventArgs e)
{
try
{
if (this.pictureBox.Image == null)
{
MessageBox.Show("Please, load an reference image first");
}
using (OpenFileDialog openFileDialog = new System.Windows.Forms.OpenFileDialog())
{
openFileDialog.Filter = "WebP images (*.webp)|*.webp";
openFileDialog.FileName = "";
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
Bitmap source;
Bitmap reference;
float[] result;
//Load Bitmaps
source = (Bitmap)this.pictureBox.Image;
using (WebP webp = new WebP())
reference = webp.Load(openFileDialog.FileName);
//Measure PSNR
using (WebP webp = new WebP())
result = webp.GetPictureDistortion(source, reference, 0);
MessageBox.Show("Red: " + result[0] + "dB.\nGreen: " + result[1] + "dB.\nBlue: " + result[2] + "dB.\nAlpha: " + result[3] + "dB.\nAll: " + result[4] + "dB.", "PSNR");
//Measure SSIM
using (WebP webp = new WebP())
result = webp.GetPictureDistortion(source, reference, 1);
MessageBox.Show("Red: " + result[0] + "dB.\nGreen: " + result[1] + "dB.\nBlue: " + result[2] + "dB.\nAlpha: " + result[3] + "dB.\nAll: " + result[4] + "dB.", "SSIM");
//Measure LSIM
using (WebP webp = new WebP())
result = webp.GetPictureDistortion(source, reference, 2);
MessageBox.Show("Red: " + result[0] + "dB.\nGreen: " + result[1] + "dB.\nBlue: " + result[2] + "dB.\nAlpha: " + result[3] + "dB.\nAll: " + result[4] + "dB.", "LSIM");
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message + "\r\nIn WebPExample.buttonMeasure_Click", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
