/*
* Create code image, that carries provided value. Unit size is
* radius of code finder pattern - resulting image size is unit*2 x unit*12.
*/
public static Bitmap BuildCode(uint value, int unitSize)
{
Bitmap res = new Bitmap(unitSize * 12, unitSize * 2, PixelFormat.Format32bppArgb);
Graphics g = Graphics.FromImage(res);
g.DrawImageUnscaled(FinderCircleDrawer.GetFinderCircleImage(unitSize), new Point(0, 0));
g.DrawImageUnscaled(DataMatrixDrawer.DataMatrix(DataMarshaller.MarshallInt(value), unitSize * 8, unitSize * 2), new Point(unitSize * 2, 0));
g.DrawImageUnscaled(FinderCircleDrawer.GetFinderCircleImage(unitSize), new Point(unitSize * 10, 0));
g.Dispose();
return(res);
}
private static List <Point> CaclulateOffsetTable(int patternRadius, Func <int, int, bool> testPixel)
{
List <Point> pts = new List <Point>();
PointF center = new PointF(0, 0);
for (int cy = -patternRadius; cy <= patternRadius; cy++)
{
for (int cx = -patternRadius; cx <= patternRadius; cx++)
{
PointF p = new PointF(cx, cy);
float r = (float)PointOps.Distance(p, center) / patternRadius;
PointF prevP = new PointF(cx - 1, cy);
float prevR = (float)PointOps.Distance(prevP, center) / patternRadius;
if (testPixel(FinderCircleDrawer.GetPixelAtRadius(prevR), FinderCircleDrawer.GetPixelAtRadius(r)))
{
pts.Add(new Point(cx, cy));
}
}
}
return(pts);
}