private void Grid_MouseLeftButtonDown(object sender, System.Windows.Input.MouseButtonEventArgs e)
{
double height = MainImage.Height;
double width = MainImage.Width;
Point mouse = e.GetPosition(MainImage);
actheight = MainImage.ActualHeight;
actwidth = MainImage.ActualWidth;
mouse.X = (mouse.X / actwidth) * 1067;
mouse.Y = (mouse.Y / actheight) * 657;
Console.WriteLine("height: " + height + " width: " + width + " actual height: " + actheight + " actual width: " + actwidth);
double wbmp = wbmap.Width;
double hbmp = wbmap.Height;
Console.WriteLine("bitmap height: " + hbmp + "bitmap width: " + wbmp);
Console.WriteLine("x: " + mouse.X + " y: " + mouse.Y);
// double wdiff = 1067 - actwidth;
// double hdiff = 657 - actheight;
Console.WriteLine("x: " + mouse.X + " y: " + mouse.Y);
if (!polygonFinished && polygonStarted)
{
Vertex v = new Vertex(wbmap.DrawBresenhamCircle((int)mouse.X, (int)mouse.Y, 6), mouse);
if (!IsDrawing)
{
vm.Start = mouse;
IsDrawing = true;
}
else
{
if (vm.Polygon.IsStartPoint(mouse))
{
polygonFinished = true;
IsDrawing = false;
wbmap.WritePixels(new Int32Rect(0, 0, wbmap.PixelWidth, wbmap.PixelHeight), vm.BitmapArraySource, wbmap.BackBufferStride, 0);
line = wbmap.DrawBresenhamLine((int)vm.NewLine.X, (int)vm.NewLine.Y, (int)vm.Polygon.Lines[0].Vertices[0].GetX(), (int)vm.Polygon.Lines[0].Vertices[0].GetY(), Colors.Black);
}
vm.Polygon.AddLine(new Line(Vertex.GetVertexFromMiddlePoint(line[0], 6), Vertex.GetVertexFromMiddlePoint(line[1], 6)));
}
vm.NewLine = mouse;
wbmap.CopyPixels(vm.BitmapArraySource, wbmap.BackBufferStride, 0);
}
else
{
if (vm.IsPointInPolygonVertices(mouse))
{
vm.DraggedVertex = vm.Polygon.GetVertexFromPoint(mouse);
vm.Adjacent = vm.Polygon.GetAdjacentLines(mouse);
VertexDrag = true;
}
else if (vm.IsPointInPolygonLines(mouse))
{
PolygonDrag = true;
vm.Waypoint = mouse;
}
}
}
public void DrawPolygon(WriteableBitmap wbm, Polygon polygon, Color color)
{
foreach (Edge e in polygon.Edges)
{
wbm.DrawBresenhamLine((int)e.Vertices[0].GetX(), (int)e.Vertices[0].GetY(), (int)e.Vertices[1].GetX(), (int)e.Vertices[1].GetY(), color);
wbm.DrawBresenhamCircle((int)e.Vertices[0].GetX(), (int)e.Vertices[0].GetY(), 6);
}
}
public void DrawPolygon(WriteableBitmap wbm, Polygon polygon)
{
polygon.RecalculatePolygon();
foreach (var label in LineLabels)
{
label.UpdateLabel();
}
foreach (Line l in polygon.Lines)
{
wbm.DrawBresenhamLine((int)l.Vertices[0].GetX(), (int)l.Vertices[0].GetY(), (int)l.Vertices[1].GetX(), (int)l.Vertices[1].GetY(), Colors.Black);
wbm.DrawBresenhamCircle((int)l.Vertices[0].GetX(), (int)l.Vertices[0].GetY(), 6);
}
}
