public byte[] Calc(FileInfo file)
{
if (CheckData.IsObjectNull(file) || !file.Exists)
{
return(new byte[] { });
}
using (Bitmap bitmap = new Bitmap(file.FullName)) {
if ((this.max_width != 0 && bitmap.Width > this.max_width) ||
(this.max_height != 0 && bitmap.Height > this.max_height))
{
Size new_size = ResizeImage(bitmap.Width, bitmap.Height, max_width, max_height);
using (Bitmap smallbitmap = new Bitmap(bitmap, new_size)) {
int x = RandomData.GetInt(0, bitmap.Width);
int y = RandomData.GetInt(0, bitmap.Height);
Color nc = RandomData.ColorRGB();
bitmap.SetPixel(x, y, nc);
}
}
else
{
int x = RandomData.GetInt(0, bitmap.Width);
int y = RandomData.GetInt(0, bitmap.Height);
Color nc = RandomData.ColorRGB();
bitmap.SetPixel(x, y, nc);
}
byte[] bytes = new byte[] { };
for (int rate = 100; rate > 1; rate -= 5)
{
bytes = CreateNewImg(file, rate);
if (!IsBigImg(bytes.Length))
{
break;
}
}
return(bytes);
}
}