private void SetBindingValue(float dim)
{
ComponentBasic c = modelSurface.GetSelectedComponent();
if (c?.CompType == ComponentTypes.ctBinding)
{
IssoBinding b = (IssoBinding)c;
bool res = false;
float val = b.Value;
b.Value = dim;
switch (b.Type)
{
case IssoBindingType.Horizontal: res = modelSurface.Model.PreprocessBindingChange(b, (Math.Sign(b.Target.Location.X - b.Source.Location.X)) * dim, float.MaxValue); break;
case IssoBindingType.Vertical: res = modelSurface.Model.PreprocessBindingChange(b, float.MaxValue, (Math.Sign(b.Target.Location.Y - b.Source.Location.Y)) * dim); break;
}
if (!res)
{
b.Value = val;
}
else
{
EditBinding();
}
modelSurface.OnSelectedComponentChanged();
}
}
private static bool ContainsH(IssoBinding binding, IssoPoint2D pt, ModelViewSurface surface)
{
float leftX = Math.Min(binding.Source.Location.X, binding.Target.Location.X);
float rightX = Math.Max(binding.Source.Location.X, binding.Target.Location.X);
// Прямоугольник вогруг одной из размерных линий
SKRect r = new SKRect()
{
Left = binding.Source.Location.X - 5,
Right = binding.Source.Location.X + 5,
Top = Math.Min(binding.Source.Location.Y, binding.LinePlace.Y),
Bottom = Math.Max(binding.Source.Location.Y, binding.LinePlace.Y)
};
if (r.Contains(pt.X, pt.Y))
{
return(true);
}
// Прямоугольник вокруг горизонтальной линии
r.Top = binding.LinePlace.Y - 5;
r.Bottom = binding.LinePlace.Y + 5;
r.Left = leftX - 5;
r.Right = rightX + 5;
if (r.Contains(pt.X, pt.Y))
{
return(true);
}
// Прямоугольник вогруг второй размерной линии
r.Left = binding.Target.Location.X - 5;
r.Right = binding.Target.Location.X + 5;
r.Top = Math.Min(binding.Target.Location.Y, binding.LinePlace.Y);
r.Bottom = Math.Max(binding.Target.Location.Y, binding.LinePlace.Y);
if (r.Contains(pt.X, pt.Y))
{
return(true);
}
// Прямоугольник вогруг текста размера
float middle = (leftX + rightX) / 2;
string dim = binding.Value.ToString("G0");
float tsize = dim.Length * 16;
r.Left = middle - tsize / 2 - 5;
r.Right = middle + tsize / 2 + 5;
r.Top = binding.LinePlace.Y;
r.Bottom = binding.LinePlace.Y + 20;
if (r.Contains(pt.X, pt.Y))
{
return(true);
}
return(false);
}
public static bool Contains(IssoBinding binding, IssoPoint2D pt, ModelViewSurface surface)
{
if (binding.Target == null)
{
return(false);
}
switch (binding.Type)
{
case IssoBindingType.Horizontal: return(ContainsH(binding, pt, surface));
case IssoBindingType.Vertical: return(ContainsV(binding, pt, surface));
default: return(false);
}
}
private void DimensionFirstNode(IssoPoint2D pt1)
{
// Первый узел - начало линейного размера
ComponentNode node = modelVM.GetNodeAtPoint(pt1);
if (node != null)
{
IssoBindingType t = IssoBindingType.Horizontal;
switch (EditorAction)
{
case EditorActions.NewDimensionFirstNode: t = IssoBindingType.Horizontal; break;
case EditorActions.NewDimensionVFirstNode: t = IssoBindingType.Vertical; break;
}
IssoBinding bin = new IssoBinding(t, node, null, 0);
EditedComp = bin;
EditorAction = EditorActions.NewDimensionLastNode;
}
}
// Линейный размер состоит из двух размерных линий, начинающихся у узлов
// Горизонтальной (или вертикальной) линии
public static void DrawDimension(IssoBinding bin, ModelViewSurface surface, SKCanvas canvas)
{
SKPath dim = new SKPath();
SKPoint pt1 = IssoConvert.IssoPoint2DToSkPoint(((ComponentNode)bin.Source).Location, surface.ScaleFactor, surface.Origin, surface.ViewHeight);
SKPoint pt2;
SKPoint lp = IssoConvert.IssoPoint2DToSkPoint(bin.LinePlace, surface.ScaleFactor, surface.Origin, surface.ViewHeight);
SKPoint vLp = new SKPoint()
{
X = lp.X, Y = lp.Y
};
SKPoint vpt1 = new SKPoint()
{
X = pt1.X, Y = pt1.Y
};
if (bin.Target != null)
{
pt2 = IssoConvert.IssoPoint2DToSkPoint(((ComponentNode)bin.Target).Location, surface.ScaleFactor, surface.Origin, surface.ViewHeight);
}
else
{
pt2 = new SKPoint()
{
X = lp.X, Y = lp.Y
};
}
SKPoint vpt2 = new SKPoint()
{
X = pt2.X, Y = pt2.Y
};
// Если размер - вертикальный, то сначала повернём все точки, чтобы рисовать его также, как и горизонтальный,
// а затем развернём его снова
if (bin.Type == IssoBindingType.Vertical)
{
SKPath ptPath = new SKPath();
ptPath.AddPoly(new SKPoint[] { pt1, pt2, lp }, false);
SKMatrix rmatrix = SKMatrix.MakeRotationDegrees(90, pt1.X, pt1.Y);
ptPath.Transform(rmatrix);
pt1 = ptPath.GetPoint(0);
pt2 = ptPath.GetPoint(1);
lp = ptPath.GetPoint(2);
}
float f1 = Math.Sign(lp.Y - pt1.Y);
float f2 = Math.Sign(lp.Y - pt2.Y);
// Одна размерная линия
dim.MoveTo(pt1.X, pt1.Y + f1 * 5);
dim.LineTo(pt1.X, lp.Y + f1 * 5);
// Вторая размерная линия
dim.MoveTo(pt2.X, pt2.Y + f2 * 5);
dim.LineTo(pt2.X, lp.Y + f2 * 5);
// Горизонтальная линия
dim.MoveTo(pt1.X, lp.Y);
dim.LineTo(pt2.X, lp.Y);
// Одна стрелка
float a = Math.Sign(pt2.X - pt1.X);
dim.MoveTo(pt1.X, lp.Y);
dim.LineTo(pt1.X + a * 5, lp.Y + 3);
dim.MoveTo(pt1.X, lp.Y);
dim.LineTo(pt1.X + a * 5, lp.Y - 3);
// Вторая стрелка
dim.MoveTo(pt2.X, lp.Y);
dim.MoveTo(pt2.X, lp.Y);
dim.LineTo(pt2.X - a * 5, lp.Y + 3);
dim.MoveTo(pt2.X, lp.Y);
dim.LineTo(pt2.X - a * 5, lp.Y - 3);
SKPaint paint = new SKPaint
{
Style = SKPaintStyle.Stroke,
Color = Color.AliceBlue.ToSKColor(),
IsAntialias = true,
StrokeWidth = 1,
TextAlign = SKTextAlign.Center,
TextSize = 16
};
// Текcт размера
string ds = (bin.Value * surface.ScaleFactor).ToString("#.00");
if (bin.Type == IssoBindingType.Vertical)
{
SKMatrix rmatrix = SKMatrix.MakeRotationDegrees(-90, pt1.X, pt1.Y);
dim.Transform(rmatrix);
SKRect bounds = new SKRect();
paint.MeasureText(ds, ref bounds);
SKBitmap bmp = new SKBitmap((int)(Math.Max(bounds.Width, bounds.Height)), (int)(Math.Max(bounds.Width, bounds.Height)));
SKCanvas k = new SKCanvas(bmp);
k.RotateDegrees(-90, bmp.Width / 2, bmp.Height / 2);
k.DrawText(ds, bmp.Width / 2, bounds.Height, paint);
canvas.DrawBitmap(bmp, vLp.X - 10 - bounds.Height, (vpt1.Y + vpt2.Y) / 2, paint);
}
else
{
canvas.DrawText(ds, (pt1.X + pt2.X) / 2, lp.Y - 10, paint);
}
canvas.DrawPath(dim, paint);
}