public static Region ConvertFromTransparentBitmap(UnsafeBitmap imageRegion, Color transparentColor)
{
// First we get the dimensions of our image
GraphicsUnit aPixel = GraphicsUnit.Pixel;
RectangleF imageBoundsF = imageRegion.GetBounds(ref aPixel);
int imageWidth = Convert.ToInt32(imageBoundsF.Width);
int imageHeight = Convert.ToInt32(imageBoundsF.Height);
// This will be the path for our Region
GraphicsPath regionPath = new GraphicsPath();
// We loop over every line in our image, and every pixel per line
for (int intY = 0; intY < imageHeight; intY++)
{
for (int intX = 0; intX < imageWidth; intX++)
{
if (imageRegion.GetPixel(intX, intY) != transparentColor)
{
// We have to see this pixel!
regionPath.AddRectangle(new Rectangle(intX, intY, 1, 1));
}
}
}
Region formRegion = new Region(regionPath);
regionPath.Dispose();
return(formRegion);
} /* ConvertFromTransparentBitmap */
public static Point PixelSize(UnsafeBitmap bitmap)
{
GraphicsUnit unit = GraphicsUnit.Pixel;
RectangleF bounds = bitmap.GetBounds(ref unit);
return(new Point((int)bounds.Width, (int)bounds.Height));
}
