public void RenderBitmap(bool isCreating = false, Point?mousePosition = null)
{
if (Points.Count == 0)
{
return;
}
if (Bitmap == null)
{
bitmap = new WriteableBitmap((int)Boundries.Width, (int)Boundries.Height, 96, 96, PixelFormats.Bgra32, null);
}
byte[] pixels1d = new byte[(int)Boundries.Width * (int)Boundries.Height * 4];
int stride = 4 * (int)Boundries.Width;
bitmap.WritePixels(Cleaner, pixels1d, stride, 0);
for (int i = 0; i < Points.Count; i++)
{
bitmap.DrawPoint(Points[i].X + Points[i].XOffset, (int)Points[i].Y + Points[i].YOffset, Color, 3, Points[i].IsBlocked);
if (i < Points.Count - 1)
{
bitmap.DrawLine((int)Points[i].X + Points[i].XOffset, (int)Points[i].Y + Points[i].YOffset, (int)Points[i + 1].X + Points[i + 1].XOffset, (int)Points[i + 1].Y + Points[i + 1].YOffset, Color);
}
else if (i == Points.Count - 1)
{
if (!isCreating)
{
bitmap.DrawLine((int)Points[i].X + Points[i].XOffset, (int)Points[i].Y + Points[i].YOffset, (int)Points[0].X + Points[0].XOffset, (int)Points[0].Y + Points[0].YOffset, Color);
}
else
{
if (mousePosition != null)
{
var mouseP = mousePosition.Value;
bitmap.DrawLine((int)Points[Points.Count - 1].X, (int)Points[Points.Count - 1].Y, (int)mouseP.X, (int)mouseP.Y, Color);
bitmap.DrawPoint((int)mouseP.X, (int)mouseP.Y, Color, 3);
}
}
}
}
if (!isCreating)
{
int id = 1;
foreach (var line in Lines)
{
if (line.Relation != Relation.NONE)
{
if (line.RelationID == -1 && line.RelatedLine != null)
{
line.RelationID = id;
line.RelatedLine.RelationID = id;
id++;
}
bitmap.DrawRelationBox((line.First.X + line.First.XOffset + line.Second.X + line.Second.XOffset) / 2,
(line.First.Y + line.First.YOffset + line.Second.Y + line.Second.YOffset) / 2,
line.Relation, line.RelationID);
line.RelationID = -1;
}
}
}
Bitmap = bitmap;
}