// Создание линии из пар кодов
public static DxfLine Create(List <DxfCodePair> pairs, bool ignoreLineType)
{
DxfLine line = new DxfLine();
for (int i = 0; i < pairs.Count; i++)
{
switch (pairs[i].Code)
{
case 62:
line.Color = DxfColor.Create(pairs[i], ignoreLineType);
break;
case 10:
if (pairs[i + 2].Code == 30)
{
line.StartPoint = DxfDot.Create(pairs.GetRange(i, 3));
i += 2;
}
else
{
line.StartPoint = DxfDot.Create(pairs.GetRange(i, 2));
i++;
}
break;
case 11:
if ((i + 2) < pairs.Count && pairs[i + 2].Code == 31)
{
line.EndPoint = DxfEndPoint.Create(pairs.GetRange(i, 3));
i += 2;
}
else
{
line.EndPoint = DxfEndPoint.Create(pairs.GetRange(i, 2));
i++;
}
break;
}
}
if (line.Color == 0 && ignoreLineType)
{
line.Color = DxfColors.MainOutline;
}
else if (line.Color == 0 || line.Color == DxfColors.NoColor)
{
return(null);
}
CreateRect(line);
return(line);
}
// Создание класса из пар кодов
public static DxfArc Create(List <DxfCodePair> pairs, bool ignoreLineType)
{
DxfArc arc = new DxfArc();
for (int i = 0; i < pairs.Count; i++)
{
switch (pairs[i].Code)
{
case 62:
arc.Color = DxfColor.Create(pairs[i], ignoreLineType);
break;
case 10:
if (pairs[i + 2].Code == 30)
{
arc.Center = DxfDot.Create(pairs.GetRange(i, 3));
i += 2;
}
else
{
arc.Center = DxfDot.Create(pairs.GetRange(i, 2));
i++;
}
break;
case 40:
arc.Radius = pairs[i].AsDouble;
break;
case 50:
arc.StartAngle = pairs[i].AsDouble;
break;
case 51:
arc.EndAngel = pairs[i].AsDouble;
break;
}
}
if (arc.Color == 0 && ignoreLineType)
{
arc.Color = DxfColors.MainOutline;
}
else if (arc.Color == 0 || arc.Color == DxfColors.NoColor)
{
return(null);
}
CreateBound(arc);
return(arc);
}
// Создание класса из пар кодов
public static DxfCircle Create(List <DxfCodePair> pairs, bool ignoreLineType)
{
DxfCircle circle = new DxfCircle();
for (int i = 0; i < pairs.Count; i++)
{
switch (pairs[i].Code)
{
case 62:
circle.Color = DxfColor.Create(pairs[i], ignoreLineType);
break;
case 10:
if (pairs[i + 2].Code == 30)
{
circle.Center = DxfDot.Create(pairs.GetRange(i, 3));
i += 2;
}
else
{
circle.Center = DxfDot.Create(pairs.GetRange(i, 2));
i++;
}
break;
case 40:
circle.Radius = pairs[i].AsDouble;
break;
}
}
if (circle.Color == 0 && ignoreLineType)
{
circle.Color = DxfColors.MainOutline;
}
else if (circle.Color == 0 || circle.Color == DxfColors.NoColor)
{
return(null);
}
Rect rt = new Rect(circle.Center.X - circle.Radius, circle.Center.Y - circle.Radius,
circle.Radius * 2, circle.Radius * 2);
circle.Bound = rt;
return(circle);
}
// Создание класса из пар кодов
public static DxfArc Create(List <DxfCodePair> pairs, bool ignoreLineType)
{
DxfArc arc = new DxfArc();
arc.Color = DxfColor.Create(pairs.Find(p => p.Code == 62), ignoreLineType);
if (arc.Color == DxfColors.NoColor)
{
return(null);
}
arc.Center = new DxfDot(pairs.Find(x => x.Code == 10).AsDouble, pairs.Find(y => y.Code == 20).AsDouble);
arc.Radius = pairs.Find(p => p.Code == 40).AsDouble;
arc.StartAngle = pairs.Find(p => p.Code == 50).AsDouble;
arc.EndAngel = pairs.Find(p => p.Code == 51).AsDouble;
CreateBound(arc);
return(arc);
}
// Создание точки из пар кодов
public static DxfPoint Create(List <DxfCodePair> pairs, bool ignoreLineType)
{
DxfPoint point = new DxfPoint();
for (int i = 0; i < pairs.Count; i++)
{
switch (pairs[i].Code)
{
case 62:
point.Color = DxfColor.Create(pairs[i], ignoreLineType);
break;
case 10:
if ((i + 2) < pairs.Count && pairs[i + 2].Code == 30)
{
point.Coordinates = DxfDot.Create(pairs.GetRange(i, 3));
i += 2;
}
else
{
point.Coordinates = DxfDot.Create(pairs.GetRange(i, 2));
i++;
}
break;
}
}
if (point.Color == 0 && !ignoreLineType)
{
point.Color = DxfColors.MainOutline;
}
if (point.Color == 0 || point.Color == DxfColors.NoColor)
{
return(null);
}
Rect rt = new Rect(point.Coordinates.X, point.Coordinates.Y, 1, 1);
point.Bound = rt;
return(point);
}
// Метод создания эллипса из пар кодов
public static DxfEllipse Create(List <DxfCodePair> pairs, bool ignoreLineType)
{
DxfEllipse ellipse = new DxfEllipse();
for (int i = 0; i < pairs.Count; i++)
{
switch (pairs[i].Code)
{
case 62:
ellipse.Color = DxfColor.Create(pairs[i], ignoreLineType);
break;
case 10:
if (pairs[i + 2].Code == 30)
{
ellipse.Center = DxfDot.Create(pairs.GetRange(i, 3));
i += 2;
}
else
{
ellipse.Center = DxfDot.Create(pairs.GetRange(i, 2));
i++;
}
break;
case 11:
if (pairs[i + 2].Code == 31)
{
ellipse.MajorAxis = DxfMajorAxis.Create(pairs.GetRange(i, 3));
i += 2;
}
else
{
ellipse.MajorAxis = DxfMajorAxis.Create(pairs.GetRange(i, 2));
i++;
}
break;
case 40:
ellipse.Ratio = pairs[i].AsDouble;
break;
case 41:
ellipse.StartParam = pairs[i].AsDouble;
break;
case 42:
ellipse.EndParam = pairs[i].AsDouble;
break;
}
}
if (ellipse.Color == 0 && ignoreLineType)
{
ellipse.Color = DxfColors.MainOutline;
}
else if (ellipse.Color == 0 || ellipse.Color == DxfColors.NoColor)
{
return(null);
}
Vector majorVector = new Vector(ellipse.MajorAxis.X, ellipse.MajorAxis.Y);
ellipse.majorRadius = majorVector.Length;
ellipse.minorRadius = ellipse.majorRadius * ellipse.Ratio;
ellipse.rotateAngle = Vector.AngleBetween(new Vector(1, 0), majorVector);
ellipse.center = new Vector(ellipse.Center.X, ellipse.Center.Y);
int precision = (int)(Math.Abs(ellipse.EndParam - ellipse.StartParam) * DxfHelper.RadToDeg);
double step = Math.Abs(ellipse.EndParam - ellipse.StartParam) / (precision - 1);
double[] ordX = new double[precision];
double[] ordY = new double[precision];
for (int i = 0; i < precision; i++)
{
double angle = ellipse.StartParam + step * i;
Vector vector = ellipse.GetVector(angle, 1, ellipse.rotateAngle);
ordX[i] = vector.X;
ordY[i] = vector.Y;
}
Array.Sort(ordX);
Array.Sort(ordY);
Rect rt = new Rect(ordX[0], ordY[0], ordX[ordX.Length - 1] - ordX[0], ordY[ordY.Length - 1] - ordY[0]);
ellipse.Bound = rt;
return(ellipse);
}