private static unsafe DemotivatorPixels ToDemotivatorPixels(Bitmap bitmap)
{
var lowerSide = bitmap.Height > bitmap.Width ? bitmap.Width : bitmap.Height;
var lowerAdditionHeight = lowerSide / 4;
var upperAdditionHeight = lowerSide / 20;
var height = bitmap.Height + lowerAdditionHeight + upperAdditionHeight;
var addtionWidth = lowerSide / 16;
var width = bitmap.Width + addtionWidth * 2;
var rect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
var matrix = new DemotivatorPixels(height, width);
Console.WriteLine(bitmap.PixelFormat);
var bmpData = bitmap.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var ptr = bmpData.Scan0;
for (var j = 0; j < height; j++)
{
for (var i = 0; i < width; i++)
{
if (j < upperAdditionHeight || i < addtionWidth || i >= width - addtionWidth || j >= height - lowerAdditionHeight)
{
if (j >= upperAdditionHeight - lowerSide / 200 && j < height - lowerAdditionHeight + lowerSide / 200 && i >= addtionWidth - lowerSide / 200 && i < width - addtionWidth + lowerSide / 200)
{
matrix.Pixels[j, i] = new Pixel(255, 255, 255, 255);
}
else
{
matrix.Pixels[j, i] = new Pixel(0, 0, 0, 255);
}
continue;
}
var x = *(Pixel *)ptr;
ptr = ptr + 4;
matrix.Pixels[j, i] = x;
}
}
bitmap.UnlockBits(bmpData);
return(matrix);
}
private static unsafe Bitmap ToBitmap(DemotivatorPixels matrix)
{
var bmp = new Bitmap(matrix.Width, matrix.Height);
var rect = new Rectangle(0, 0, matrix.Width, matrix.Height);
var bmpData = bmp.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppArgb);
var ptr = bmpData.Scan0;
for (var j = 0; j < rect.Height; j++)
{
for (var i = 0; i < rect.Width; i++)
{
var pixel = matrix.Pixels[j, i];
*(Pixel *)ptr = pixel;
ptr = ptr + 4;
}
}
bmp.UnlockBits(bmpData);
return(bmp);
}
