//Разжать изображение, дополнить информацию, вывести результат в Image2
public void decompressImageAndAddInfo(byte[] compressedBytes)
{
if (imageValues == null)
{
return;
}
var t1 = CurrentTime();
float[] restoredImage = ImageUtils.decompressImageBytes(
compressedBytes,
out int width,
out int height,
out string colorScheme,
out string method,
out int blockSize,
out string travelMode,
out bool crossMerge
);
var t2 = CurrentTime();
view.Image2 = ImageUtils.ConvertValuesToImage(restoredImage, colorScheme, width, height);
ImageUtils.calculateDifference(
view.Image1,
view.Image2,
colorScheme,
out Tuple <float, float, float> MSE,
out Tuple <float, float, float> PSNR
);
var time = (t2 - t1) / 1000f;
view.Info += string.Format(
"\nРазжато за {0} секунд\n" +
"MSE = {1}\n" +
"PSNR = {2}\n",
time,
MSE,
PSNR
);
}
// загрузить изображение из файла, разжать его при необходимости,
// и записать результат в image и imageValues
public void loadImage(string path)
{
if (path.EndsWith(Constants.CompessedExtension))
{
byte[] bytes = File.ReadAllBytes(path);
var t1 = CurrentTime();
float[] restoredImage = ImageUtils.decompressImageBytes(
bytes,
out int width,
out int height,
out string colorScheme,
out string method,
out int blockSize,
out string travelMode,
out bool crossMerge
);
var t2 = CurrentTime();
var time = (t2 - t1) / 1000f;
image = ImageUtils.ConvertValuesToImage(restoredImage, colorScheme, width, height);
view.Info = string.Format("Разжато за {0} секунд", time);
view.ColorScheme = colorScheme;
view.Method = method;
view.BlockSize = blockSize;
view.TravelMode = travelMode;
view.CrossMerge = crossMerge;
}
else
{
image = Image.FromFile(path);
}
imageValues = null;
view.Image2 = view.DefaultImage;
ConvertCurrentImageIntoValues();
view.Image1 = image;
view.Title = string.Format("{0}: {1}x{2} ({3}КБ)", path, image.Width, image.Height, image.Width * image.Height * 3 / 1000f);
}
