private void render()
{
if (LSTB_Files.SelectedItem == null || String.IsNullOrWhiteSpace(LSTB_Files.SelectedItem.ToString()))
{
return;
}
Bitmap bmp = new Bitmap(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, LSTB_Files.SelectedItem.ToString()));
int depth = int.Parse(CMBX_GrayScale.SelectedItem.ToString());
GrayScaleConverter.ConvertionMethod method = (GrayScaleConverter.ConvertionMethod)Enum.Parse(typeof(GrayScaleConverter.ConvertionMethod), CMBX_Method.SelectedItem.ToString());
GrayScaleConverter.DitheringMethod dithering = (GrayScaleConverter.DitheringMethod)Enum.Parse(typeof(GrayScaleConverter.DitheringMethod), CMBX_Dithering.SelectedItem.ToString());
bool serpentine = CHKB_Serpentine.Checked;
byte[] grayData = GrayScaleConverter.FromBitmap(bmp, method, dithering, serpentine, depth);
Bitmap grayBmp = GrayScaleConverter.GrayToBitmap(grayData, bmp.Width, bmp.Height, depth);
PCBX_Output.Image = grayBmp;
}
private void loadImage(string path)
{
//Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "mlp.png")
Bitmap bmp = new Bitmap(path);
Bitmap bmpResized = new Bitmap(bmp, 800, 601);
int depth = 8;
GrayScaleConverter.ConvertionMethod method = GrayScaleConverter.ConvertionMethod.DecompositionMax;
GrayScaleConverter.DitheringMethod dithering = GrayScaleConverter.DitheringMethod.Atkinson;
bool serpentine = false;
grayData = GrayScaleConverter.FromBitmap(bmpResized, method, dithering, serpentine, depth);
Bitmap grayBmp = GrayScaleConverter.GrayToBitmap(grayData, bmpResized.Width, bmpResized.Height, depth);
grayData = GrayScaleConverter.ReverseGrayScale(grayData, depth);
imgPreview.Source = bitmapToImageSource(grayBmp);
}
private void button1_Click_1(object sender, EventArgs e)
{
Stopwatch sw = new Stopwatch();
sw.Start();
Bitmap bmp = new Bitmap(Path.Combine(AppDomain.CurrentDomain.BaseDirectory, LSTB_Files.SelectedItem.ToString()));
Bitmap newImage = new Bitmap(800, 600);
using (Graphics gr = Graphics.FromImage(newImage))
{
gr.SmoothingMode = SmoothingMode.HighQuality;
gr.InterpolationMode = InterpolationMode.HighQualityBicubic;
gr.PixelOffsetMode = PixelOffsetMode.HighQuality;
gr.DrawImage(bmp, new Rectangle(0, 0, 800, 600));
gr.Save();
}
GrayScaleConverter.ConvertionMethod method = (GrayScaleConverter.ConvertionMethod)Enum.Parse(typeof(GrayScaleConverter.ConvertionMethod), CMBX_Method.SelectedItem.ToString());
GrayScaleConverter.DitheringMethod dithering = (GrayScaleConverter.DitheringMethod)Enum.Parse(typeof(GrayScaleConverter.DitheringMethod), CMBX_Dithering.SelectedItem.ToString());
sw.Stop();
long phase1ms = sw.ElapsedMilliseconds;
List <Tuple <long, long, long> > timing = new List <Tuple <long, long, long> >();
for (int i = 0; i < 10; i++)
{
sw.Restart();
byte[] grayData = GrayScaleConverter.ConvertToGrayscale(newImage, method, 8);
sw.Stop();
long grayms = sw.ElapsedMilliseconds;
sw.Restart();
grayData = GrayScaleConverter.DitherSierraLight(grayData, 8, newImage.Width, newImage.Height);
sw.Stop();
long diterms = sw.ElapsedMilliseconds;
sw.Restart();
byte[] output = new byte[(int)Math.Ceiling(grayData.Length / 2.0)];
int counter = 0;
for (int j = 0; j < grayData.Length; j += 2)
{
output[counter] = (byte)(grayData[j] << 4 | grayData[j + 1]);
counter++;
}
grayData = output;
sw.Stop();
long compressms = sw.ElapsedMilliseconds;
timing.Add(new Tuple <long, long, long>(grayms, compressms, diterms));
}
MessageBox.Show("Phase 1 : " + phase1ms + "ms " + Environment.NewLine +
"Phase gray : min : " + timing.Select(item => item.Item1).Min() + "ms | max : " + timing.Select(item => item.Item1).Max() + "ms | avg : " + timing.Select(item => item.Item1).Average() + "ms" + Environment.NewLine +
"Phase compress : min : " + timing.Select(item => item.Item2).Min() + "ms | max : " + timing.Select(item => item.Item2).Max() + "ms | avg : " + timing.Select(item => item.Item2).Average() + "ms" + Environment.NewLine +
"Phase diter : min : " + timing.Select(item => item.Item3).Min() + "ms | max : " + timing.Select(item => item.Item3).Max() + "ms | avg : " + timing.Select(item => item.Item3).Average() + "ms"
);
}
