public static unsafe MatrixFrame.Pixel[,] BitmapToPixelArray(Bitmap bitmap)
{
BitmapData imageData = bitmap.LockBits(new Rectangle(0, 0, bitmap.Width, bitmap.Height), ImageLockMode.ReadOnly, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
MatrixFrame.Pixel[,] frame = new MatrixFrame.Pixel[bitmap.Width, bitmap.Height];
byte *scan0 = (byte *)imageData.Scan0.ToPointer();
int stride = imageData.Stride;
byte *row;
for (int y = 0; y < imageData.Height; y++)
{
row = scan0 + (y * stride);
for (int x = 0; x < imageData.Width; x++)
{
int index = x * 3;
frame[x, y].R = row[index + 2];
frame[x, y].G = row[index + 1];
frame[x, y].B = row[index];
}
}
bitmap.UnlockBits(imageData);
bitmap.Dispose();
return(frame);
}
private void SA_SelectedColorChanged(object sender, RoutedPropertyChangedEventArgs <System.Windows.Media.Color?> e)
{
if (frame != null)
{
MatrixFrame.Pixel color1 = new MatrixFrame.Pixel(SAColor1.SelectedColor.Value.R, SAColor1.SelectedColor.Value.G, SAColor1.SelectedColor.Value.B);
MatrixFrame.Pixel color2 = new MatrixFrame.Pixel(SAColor2.SelectedColor.Value.R, SAColor2.SelectedColor.Value.G, SAColor2.SelectedColor.Value.B);
frame.SetSpectrumGradient(color1, color2);
}
}
