private void cinzaToolStripMenuItem_Click(object sender, EventArgs e)
{
DstImg = new Bitmap(OriImg);
DstImg = BitmapFilter.Grayscale(DstImg);
ImgScale = 1;
refreshImages();
}
private void scale4xToolStripMenuItem_Click(object sender, EventArgs e)
{
DstImg = new Bitmap(OriImg);
DstImg = BitmapFilter.Scale4x(DstImg);
ImgScale = 4;
refreshImages();
}