private void DrawImage(Bitmap image, Map map, ScalingInfo scale)
{
var graphics = Graphics.FromImage(image);
graphics.FillRectangle(BackGroundBrush, 0, 0, scale.XSize - 1, scale.YSize - 1);
var pointShift = (PointSize - 1) / 2;
graphics.FillEllipse(StartPointBrush, new Rectangle(GetScaledX(map.StartPoint.X, scale) - pointShift, GetScaledY(map.StartPoint.Y, scale) - pointShift, PointSize, PointSize));
graphics.FillEllipse(FinishPointBrush, new Rectangle(GetScaledX(map.FinishPoint.X, scale) - pointShift, GetScaledY(map.FinishPoint.Y, scale) - pointShift, PointSize, PointSize));
foreach (var rect in map.Rects)
{
graphics.FillRectangle(RectangleBrush, GetScaledX(rect.VertexUL.X, scale), GetScaledY(rect.VertexUL.Y, scale), GetScaledSize(rect.Width, scale), GetScaledSize(rect.Height, scale));
}
}
private int GetScaledSize(int size, ScalingInfo scale)
{
return((int)Math.Round(size * scale.Scale));
}
private int GetScaledY(int y, ScalingInfo scale)
{
return((int)Math.Round(scale.YOffset + (y - scale.YMin) * scale.Scale));
}
private int GetScaledX(int x, ScalingInfo scale)
{
return((int)Math.Round(scale.XOffset + (x - scale.XMin) * scale.Scale));
}
private Bitmap PrepareImage(Map map, ScalingInfo scale)
{
return(new Bitmap(scale.XSize, scale.YSize));
}