868 lines
40 KiB
Python
868 lines
40 KiB
Python
import six
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import FreeCAD, math, os, DraftVecUtils, WorkingPlane
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from FreeCAD import Vector
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from Draft import getType, getrgb, svgpatterns, gui
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def getLineStyle(linestyle, scale):
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"returns a linestyle"
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p = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft")
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l = None
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if linestyle == "Dashed":
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l = p.GetString("svgDashedLine","0.09,0.05")
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elif linestyle == "Dashdot":
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l = p.GetString("svgDashdotLine","0.09,0.05,0.02,0.05")
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elif linestyle == "Dotted":
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l = p.GetString("svgDottedLine","0.02,0.02")
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elif linestyle:
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if "," in linestyle:
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l = linestyle
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if l:
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l = l.split(",")
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try:
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# scale dashes
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l = ",".join([str(float(d)/scale) for d in l])
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#print "lstyle ",l
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except:
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return "none"
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else:
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return l
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return "none"
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def getProj(vec, plane):
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if not plane: return vec
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nx = DraftVecUtils.project(vec,plane.u)
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lx = nx.Length
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if abs(nx.getAngle(plane.u)) > 0.1: lx = -lx
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ny = DraftVecUtils.project(vec,plane.v)
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ly = ny.Length
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if abs(ny.getAngle(plane.v)) > 0.1: ly = -ly
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#if techdraw: buggy - we now simply do it at the end
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# ly = -ly
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return Vector(lx,ly,0)
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def getDiscretized(edge, plane):
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ml = FreeCAD.ParamGet("User parameter:BaseApp/Preferences/Mod/Draft").GetFloat("svgDiscretization",10.0)
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if ml == 0:
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ml = 10
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d = int(edge.Length/ml)
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if d == 0:
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d = 1
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edata = ""
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for i in range(d+1):
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v = getProj(edge.valueAt(edge.FirstParameter+((float(i)/d)*(edge.LastParameter-edge.FirstParameter))), plane)
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if not edata:
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edata += 'M ' + str(v.x) +' '+ str(v.y) + ' '
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else:
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edata += 'L ' + str(v.x) +' '+ str(v.y) + ' '
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return edata
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def getPattern(pat):
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if pat in svgpatterns():
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return svgpatterns()[pat][0]
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return ''
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def getSVG(obj,scale=1,linewidth=0.35,fontsize=12,fillstyle="shape color",direction=None,linestyle=None,color=None,linespacing=None,techdraw=False,rotation=0,fillSpaces=False,override=True):
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'''getSVG(object,[scale], [linewidth],[fontsize],[fillstyle],[direction],[linestyle],[color],[linespacing]):
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returns a string containing a SVG representation of the given object,
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with the given linewidth and fontsize (used if the given object contains
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any text). You can also supply an arbitrary projection vector. the
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scale parameter allows to scale linewidths down, so they are resolution-independant.'''
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import Part, DraftGeomUtils
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# if this is a group, gather all the svg views of its children
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if hasattr(obj,"isDerivedFrom"):
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if obj.isDerivedFrom("App::DocumentObjectGroup") or getType(obj) == "Layer":
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svg = ""
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for child in obj.Group:
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svg += getSVG(child,scale,linewidth,fontsize,fillstyle,direction,linestyle,color,linespacing,techdraw,rotation,fillSpaces,override)
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return svg
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pathdata = []
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svg = ""
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linewidth = float(linewidth)/scale
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if not override:
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if hasattr(obj,"ViewObject"):
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if hasattr(obj.ViewObject,"LineWidth"):
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if hasattr(obj.ViewObject.LineWidth,"Value"):
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lw = obj.ViewObject.LineWidth.Value
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else:
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lw = obj.ViewObject.LineWidth
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linewidth = lw*linewidth
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fontsize = (float(fontsize)/scale)/2
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if linespacing:
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linespacing = float(linespacing)/scale
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else:
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linespacing = 0.5
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#print obj.Label," line spacing ",linespacing,"scale ",scale
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pointratio = .75 # the number of times the dots are smaller than the arrow size
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plane = None
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if direction:
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if isinstance(direction,FreeCAD.Vector):
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if direction != Vector(0,0,0):
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plane = WorkingPlane.plane()
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plane.alignToPointAndAxis_SVG(Vector(0,0,0),direction.negative().negative(),0)
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elif isinstance(direction,WorkingPlane.plane):
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plane = direction
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stroke = "#000000"
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if color and override:
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if "#" in color:
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stroke = color
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else:
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stroke = getrgb(color)
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elif gui:
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if hasattr(obj,"ViewObject"):
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if hasattr(obj.ViewObject,"LineColor"):
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stroke = getrgb(obj.ViewObject.LineColor)
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elif hasattr(obj.ViewObject,"TextColor"):
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stroke = getrgb(obj.ViewObject.TextColor)
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lstyle = "none"
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if override:
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lstyle = getLineStyle(linestyle, scale)
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else:
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if hasattr(obj,"ViewObject"):
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if hasattr(obj.ViewObject,"DrawStyle"):
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lstyle = getLineStyle(obj.ViewObject.DrawStyle, scale)
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def getPath(edges=[],wires=[],pathname=None):
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svg = "<path "
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if pathname is None:
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svg += 'id="%s" ' % obj.Name
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elif pathname != "":
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svg += 'id="%s" ' % pathname
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svg += ' d="'
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if not wires:
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egroups = Part.sortEdges(edges)
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else:
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egroups = []
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first = True
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for w in wires:
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w1=w.copy()
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if first:
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first = False
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else:
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# invert further wires to create holes
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w1 = DraftGeomUtils.invert(w1)
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w1.fixWire()
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egroups.append(Part.__sortEdges__(w1.Edges))
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for egroupindex, edges in enumerate(egroups):
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edata = ""
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vs=() #skipped for the first edge
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for edgeindex,e in enumerate(edges):
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previousvs = vs
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# vertexes of an edge (reversed if needed)
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vs = e.Vertexes
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if previousvs:
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if (vs[0].Point-previousvs[-1].Point).Length > 1e-6:
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vs.reverse()
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if edgeindex == 0:
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v = getProj(vs[0].Point, plane)
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edata += 'M '+ str(v.x) +' '+ str(v.y) + ' '
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else:
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if (vs[0].Point-previousvs[-1].Point).Length > 1e-6:
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raise ValueError('edges not ordered')
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iscircle = DraftGeomUtils.geomType(e) == "Circle"
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isellipse = DraftGeomUtils.geomType(e) == "Ellipse"
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if iscircle or isellipse:
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import math
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if hasattr(FreeCAD,"DraftWorkingPlane"):
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drawing_plane_normal = FreeCAD.DraftWorkingPlane.axis
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else:
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drawing_plane_normal = FreeCAD.Vector(0,0,1)
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if plane: drawing_plane_normal = plane.axis
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c = e.Curve
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if round(c.Axis.getAngle(drawing_plane_normal),2) in [0,3.14]:
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occversion = Part.OCC_VERSION.split(".")
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done = False
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if (int(occversion[0]) >= 7) and (int(occversion[1]) >= 1):
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# if using occ >= 7.1, use HLR algorithm
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import Drawing
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snip = Drawing.projectToSVG(e,drawing_plane_normal)
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if snip:
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try:
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a = "A " + snip.split("path d=\"")[1].split("\"")[0].split("A")[1]
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except:
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pass
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else:
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edata += a
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done = True
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if not done:
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if len(e.Vertexes) == 1 and iscircle: #complete curve
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svg = getCircle(e)
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return svg
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elif len(e.Vertexes) == 1 and isellipse:
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#svg = getEllipse(e)
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#return svg
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endpoints = [getProj(c.value((c.LastParameter-c.FirstParameter)/2.0), plane),
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getProj(vs[-1].Point, plane)]
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else:
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endpoints = [getProj(vs[-1].Point, plane)]
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# arc
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if iscircle:
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rx = ry = c.Radius
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rot = 0
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else: #ellipse
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rx = c.MajorRadius
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ry = c.MinorRadius
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rot = math.degrees(c.AngleXU * (c.Axis * \
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FreeCAD.Vector(0,0,1)))
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if rot > 90:
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rot -=180
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if rot < -90:
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rot += 180
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#be careful with the sweep flag
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flag_large_arc = (((e.ParameterRange[1] - \
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e.ParameterRange[0]) / math.pi) % 2) > 1
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#flag_sweep = (c.Axis * drawing_plane_normal >= 0) \
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# == (e.LastParameter > e.FirstParameter)
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# == (e.Orientation == "Forward")
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# other method: check the direction of the angle between tangents
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t1 = e.tangentAt(e.FirstParameter)
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t2 = e.tangentAt(e.FirstParameter + (e.LastParameter-e.FirstParameter)/10)
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flag_sweep = (DraftVecUtils.angle(t1,t2,drawing_plane_normal) < 0)
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for v in endpoints:
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edata += 'A %s %s %s %s %s %s %s ' % \
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(str(rx),str(ry),str(rot),\
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str(int(flag_large_arc)),\
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str(int(flag_sweep)),str(v.x),str(v.y))
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else:
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edata += getDiscretized(e, plane)
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elif DraftGeomUtils.geomType(e) == "Line":
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v = getProj(vs[-1].Point, plane)
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edata += 'L '+ str(v.x) +' '+ str(v.y) + ' '
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else:
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bspline=e.Curve.toBSpline(e.FirstParameter,e.LastParameter)
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if bspline.Degree > 3 or bspline.isRational():
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try:
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bspline=bspline.approximateBSpline(0.05,50, 3,'C0')
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except RuntimeError:
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print("Debug: unable to approximate bspline")
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if bspline.Degree <= 3 and not bspline.isRational():
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for bezierseg in bspline.toBezier():
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if bezierseg.Degree>3: #should not happen
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raise AssertionError
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elif bezierseg.Degree==1:
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edata +='L '
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elif bezierseg.Degree==2:
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edata +='Q '
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elif bezierseg.Degree==3:
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edata +='C '
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for pole in bezierseg.getPoles()[1:]:
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v = getProj(pole, plane)
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edata += str(v.x) +' '+ str(v.y) + ' '
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else:
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print("Debug: one edge (hash ",e.hashCode(),\
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") has been discretized with parameter 0.1")
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for linepoint in bspline.discretize(0.1)[1:]:
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v = getProj(linepoint, plane)
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edata += 'L '+ str(v.x) +' '+ str(v.y) + ' '
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if fill != 'none':
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edata += 'Z '
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if edata in pathdata:
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# do not draw a path on another identical path
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return ""
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else:
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svg += edata
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pathdata.append(edata)
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svg += '" '
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svg += 'stroke="' + stroke + '" '
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svg += 'stroke-width="' + str(linewidth) + ' px" '
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svg += 'style="stroke-width:'+ str(linewidth)
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svg += ';stroke-miterlimit:4'
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svg += ';stroke-dasharray:' + lstyle
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svg += ';fill:' + fill
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try:
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svg += ';fill-opacity:' + str(fill_opacity)
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except NameError:
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pass
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svg += ';fill-rule: evenodd "'
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svg += '/>\n'
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return svg
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def getCircle(edge):
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cen = getProj(edge.Curve.Center, plane)
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rad = edge.Curve.Radius
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if hasattr(FreeCAD,"DraftWorkingPlane"):
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drawing_plane_normal = FreeCAD.DraftWorkingPlane.axis
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else:
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drawing_plane_normal = FreeCAD.Vector(0,0,1)
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if plane: drawing_plane_normal = plane.axis
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if round(edge.Curve.Axis.getAngle(drawing_plane_normal),2) in [0, 3.14]:
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# perpendicular projection: circle
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svg = '<circle cx="' + str(cen.x)
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svg += '" cy="' + str(cen.y)
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svg += '" r="' + str(rad)+'" '
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else:
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# any other projection: ellipse
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svg = '<path d="'
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svg += getDiscretized(edge, plane)
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svg += '" '
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svg += 'stroke="' + stroke + '" '
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svg += 'stroke-width="' + str(linewidth) + ' px" '
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svg += 'style="stroke-width:'+ str(linewidth)
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svg += ';stroke-miterlimit:4'
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svg += ';stroke-dasharray:' + lstyle
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svg += ';fill:' + fill + '"'
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svg += '/>\n'
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return svg
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def getEllipse(edge):
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cen = getProj(edge.Curve.Center, plane)
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mir = edge.Curve.MinorRadius
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mar = edge.Curve.MajorRadius
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svg = '<ellipse cx="' + str(cen.x)
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svg += '" cy="' + str(cen.y)
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svg += '" rx="' + str(mar)
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svg += '" ry="' + str(mir)+'" '
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svg += 'stroke="' + stroke + '" '
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svg += 'stroke-width="' + str(linewidth) + ' px" '
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svg += 'style="stroke-width:'+ str(linewidth)
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svg += ';stroke-miterlimit:4'
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svg += ';stroke-dasharray:' + lstyle
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svg += ';fill:' + fill + '"'
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svg += '/>\n'
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return svg
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def getArrow(arrowtype,point,arrowsize,color,linewidth,angle=0):
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svg = ""
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if gui:
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if not obj.ViewObject:
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return svg
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if obj.ViewObject.ArrowType == "Circle":
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svg += '<circle cx="'+str(point.x)+'" cy="'+str(point.y)
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svg += '" r="'+str(arrowsize)+'" '
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svg += 'fill="none" stroke="'+ color + '" '
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svg += 'style="stroke-width:'+ str(linewidth) + ';stroke-miterlimit:4;stroke-dasharray:none" '
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svg += 'freecad:skip="1"'
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svg += '/>\n'
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elif obj.ViewObject.ArrowType == "Dot":
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svg += '<circle cx="'+str(point.x)+'" cy="'+str(point.y)
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svg += '" r="'+str(arrowsize)+'" '
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svg += 'fill="'+ color +'" stroke="none" '
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svg += 'style="stroke-miterlimit:4;stroke-dasharray:none" '
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svg += 'freecad:skip="1"'
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svg += '/>\n'
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elif obj.ViewObject.ArrowType == "Arrow":
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svg += '<path transform="rotate('+str(math.degrees(angle))
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svg += ','+ str(point.x) + ',' + str(point.y) + ') '
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svg += 'translate(' + str(point.x) + ',' + str(point.y) + ') '
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svg += 'scale('+str(arrowsize)+','+str(arrowsize)+')" freecad:skip="1" '
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svg += 'fill="'+ color +'" stroke="none" '
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svg += 'style="stroke-miterlimit:4;stroke-dasharray:none" '
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svg += 'd="M 0 0 L 4 1 L 4 -1 Z"/>\n'
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elif obj.ViewObject.ArrowType == "Tick":
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svg += '<path transform="rotate('+str(math.degrees(angle))
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svg += ','+ str(point.x) + ',' + str(point.y) + ') '
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svg += 'translate(' + str(point.x) + ',' + str(point.y) + ') '
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svg += 'scale('+str(arrowsize)+','+str(arrowsize)+')" freecad:skip="1" '
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svg += 'fill="'+ color +'" stroke="none" '
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svg += 'style="stroke-miterlimit:4;stroke-dasharray:none" '
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svg += 'd="M -1 -2 L 0 2 L 1 2 L 0 -2 Z"/>\n'
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elif obj.ViewObject.ArrowType == "Tick-2":
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svg += '<line transform="rotate('+str(math.degrees(angle)+45)
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svg += ','+ str(point.x) + ',' + str(point.y) + ') '
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svg += 'translate(' + str(point.x) + ',' + str(point.y) + ') '
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svg += '" freecad:skip="1" '
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svg += 'fill="none" stroke="'+ color +'" '
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svg += 'style="stroke-dasharray:none;stroke-linecap:square;'
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svg += 'stroke-width:'+ str(linewidth) +'" '
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svg += 'x1="-'+ str(arrowsize*2) +'" y1="0" '
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svg += 'x2="' + str(arrowsize*2) +'" y2="0" />\n'
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else:
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print("getSVG: arrow type not implemented")
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return svg
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def getOvershoot(point,shootsize,color,linewidth,angle=0):
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svg = '<line transform="rotate('+str(math.degrees(angle))
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svg += ','+ str(point.x) + ',' + str(point.y) + ') '
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svg += 'translate(' + str(point.x) + ',' + str(point.y) + ') '
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svg += '" freecad:skip="1" '
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svg += 'fill="none" stroke="'+ color +'" '
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svg += 'style="stroke-dasharray:none;stroke-linecap:square;'
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svg += 'stroke-width:'+ str(linewidth) +'" '
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svg += 'x1="0" y1="0" '
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svg += 'x2="'+ str(shootsize*-1) +'" y2="0" />\n'
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return svg
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def getText(tcolor,fontsize,fontname,angle,base,text,linespacing=0.5,align="center",flip=True):
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if isinstance(angle,FreeCAD.Rotation):
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if not plane:
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angle = angle.Angle
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else:
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if plane.axis.getAngle(angle.Axis) < 0.001:
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angle = angle.Angle
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elif abs(plane.axis.getAngle(angle.Axis)-math.pi) < 0.001:
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if abs(angle.Angle) > 0.1:
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angle = -angle.Angle
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else:
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angle = angle.Angle
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elif abs(plane.axis.getAngle(angle.Axis)-math.pi/2) < 0.001:
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return "" # text is perpendicular to view, so it shouldn't appear
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else:
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angle = 0 #TODO maybe there is something better to do here?
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if not isinstance(text,list):
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text = text.split("\n")
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if align.lower() == "center":
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anchor = "middle"
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elif align.lower() == "left":
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anchor = "start"
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else:
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anchor = "end"
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if techdraw:
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svg = ""
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for i in range(len(text)):
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t = text[i].replace("&","&").replace("<","<").replace(">",">")
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if six.PY2 and not isinstance(t, six.text_type):
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t = t.decode("utf8")
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# possible workaround if UTF8 is unsupported
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# import unicodedata
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# t = u"".join([c for c in unicodedata.normalize("NFKD",t) if not unicodedata.combining(c)]).encode("utf8")
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svg += '<text stroke-width="0" stroke="' + tcolor + '" fill="' + tcolor +'" font-size="' + str(fontsize) + '" '
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svg += 'style="text-anchor:'+anchor+';text-align:'+align.lower()+';'
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svg += 'font-family:'+ fontname +'" '
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svg += 'transform="rotate('+str(math.degrees(angle))
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svg += ','+ str(base.x) + ',' + str(base.y-linespacing*i) + ') '
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|
svg += 'translate(' + str(base.x) + ',' + str(base.y-linespacing*i) + ') '
|
|
svg += 'scale(1,-1)" '
|
|
#svg += '" freecad:skip="1"'
|
|
svg += '>\n' + t + '</text>\n'
|
|
else:
|
|
svg = '<text stroke-width="0" stroke="' + tcolor + '" fill="'
|
|
svg += tcolor +'" font-size="'
|
|
svg += str(fontsize) + '" '
|
|
svg += 'style="text-anchor:'+anchor+';text-align:'+align.lower()+';'
|
|
svg += 'font-family:'+ fontname +'" '
|
|
svg += 'transform="rotate('+str(math.degrees(angle))
|
|
svg += ','+ str(base.x) + ',' + str(base.y) + ') '
|
|
if flip:
|
|
svg += 'translate(' + str(base.x) + ',' + str(base.y) + ')'
|
|
else:
|
|
svg += 'translate(' + str(base.x) + ',' + str(-base.y) + ')'
|
|
#svg += 'scale('+str(tmod/2000)+',-'+str(tmod/2000)+') '
|
|
if flip:
|
|
svg += ' scale(1,-1) '
|
|
else:
|
|
svg += ' scale(1,1) '
|
|
svg += '" freecad:skip="1"'
|
|
svg += '>\n'
|
|
if len(text) == 1:
|
|
try:
|
|
svg += text[0].replace("&","&").replace("<","<").replace(">",">")
|
|
except:
|
|
svg += text[0].decode("utf8").replace("&","&").replace("<","<").replace(">",">")
|
|
else:
|
|
for i in range(len(text)):
|
|
if i == 0:
|
|
svg += '<tspan>'
|
|
else:
|
|
svg += '<tspan x="0" dy="'+str(linespacing)+'">'
|
|
try:
|
|
svg += text[i].replace("&","&").replace("<","<").replace(">",">")
|
|
except:
|
|
svg += text[i].decode("utf8").replace("&","&").replace("<","<").replace(">",">")
|
|
svg += '</tspan>\n'
|
|
svg += '</text>\n'
|
|
return svg
|
|
|
|
|
|
if not obj:
|
|
pass
|
|
|
|
elif isinstance(obj,Part.Shape):
|
|
if "#" in fillstyle:
|
|
fill = fillstyle
|
|
elif fillstyle == "shape color":
|
|
fill = "#888888"
|
|
else:
|
|
fill = 'url(#'+fillstyle+')'
|
|
svg += getPath(obj.Edges,pathname="")
|
|
|
|
|
|
elif getType(obj) in ["Dimension","LinearDimension"]:
|
|
if gui:
|
|
if not obj.ViewObject:
|
|
print ("export of dimensions to SVG is only available in GUI mode")
|
|
elif obj.ViewObject.Proxy:
|
|
if hasattr(obj.ViewObject.Proxy,"p1"):
|
|
prx = obj.ViewObject.Proxy
|
|
ts = (len(prx.string)*obj.ViewObject.FontSize.Value)/4.0
|
|
rm = ((prx.p3.sub(prx.p2)).Length/2.0)-ts
|
|
p2a = getProj(prx.p2.add(DraftVecUtils.scaleTo(prx.p3.sub(prx.p2),rm)), plane)
|
|
p2b = getProj(prx.p3.add(DraftVecUtils.scaleTo(prx.p2.sub(prx.p3),rm)), plane)
|
|
p1 = getProj(prx.p1, plane)
|
|
p2 = getProj(prx.p2, plane)
|
|
p3 = getProj(prx.p3, plane)
|
|
p4 = getProj(prx.p4, plane)
|
|
tbase = getProj(prx.tbase, plane)
|
|
r = prx.textpos.rotation.getValue().getValue()
|
|
rv = FreeCAD.Rotation(r[0],r[1],r[2],r[3]).multVec(FreeCAD.Vector(1,0,0))
|
|
angle = -DraftVecUtils.angle(getProj(rv, plane))
|
|
#angle = -DraftVecUtils.angle(p3.sub(p2))
|
|
|
|
svg = ''
|
|
nolines = False
|
|
if hasattr(obj.ViewObject,"ShowLine"):
|
|
if not obj.ViewObject.ShowLine:
|
|
nolines = True
|
|
|
|
# drawing lines
|
|
if not nolines:
|
|
svg += '<path '
|
|
if obj.ViewObject.DisplayMode == "2D":
|
|
tangle = angle
|
|
if tangle > math.pi/2:
|
|
tangle = tangle-math.pi
|
|
#elif (tangle <= -math.pi/2) or (tangle > math.pi/2):
|
|
# tangle = tangle+math.pi
|
|
#tbase = tbase.add(DraftVecUtils.rotate(Vector(0,2/scale,0),tangle))
|
|
if rotation != 0:
|
|
#print "dim: tangle:",tangle," rot: ",rotation," text: ",prx.string
|
|
if abs(tangle+math.radians(rotation)) < 0.0001:
|
|
tangle += math.pi
|
|
tbase = tbase.add(DraftVecUtils.rotate(Vector(0,2/scale,0),tangle))
|
|
if not nolines:
|
|
svg += 'd="M '+str(p1.x)+' '+str(p1.y)+' '
|
|
svg += 'L '+str(p2.x)+' '+str(p2.y)+' '
|
|
svg += 'L '+str(p3.x)+' '+str(p3.y)+' '
|
|
svg += 'L '+str(p4.x)+' '+str(p4.y)+'" '
|
|
else:
|
|
tangle = 0
|
|
if rotation != 0:
|
|
tangle = -math.radians(rotation)
|
|
tbase = tbase.add(Vector(0,-2.0/scale,0))
|
|
if not nolines:
|
|
svg += 'd="M '+str(p1.x)+' '+str(p1.y)+' '
|
|
svg += 'L '+str(p2.x)+' '+str(p2.y)+' '
|
|
svg += 'L '+str(p2a.x)+' '+str(p2a.y)+' '
|
|
svg += 'M '+str(p2b.x)+' '+str(p2b.y)+' '
|
|
svg += 'L '+str(p3.x)+' '+str(p3.y)+' '
|
|
svg += 'L '+str(p4.x)+' '+str(p4.y)+'" '
|
|
|
|
if not nolines:
|
|
svg += 'fill="none" stroke="'
|
|
svg += stroke + '" '
|
|
svg += 'stroke-width="' + str(linewidth) + ' px" '
|
|
svg += 'style="stroke-width:'+ str(linewidth)
|
|
svg += ';stroke-miterlimit:4;stroke-dasharray:none" '
|
|
svg += 'freecad:basepoint1="'+str(p1.x)+' '+str(p1.y)+'" '
|
|
svg += 'freecad:basepoint2="'+str(p4.x)+' '+str(p4.y)+'" '
|
|
svg += 'freecad:dimpoint="'+str(p2.x)+' '+str(p2.y)+'"'
|
|
svg += '/>\n'
|
|
|
|
# drawing dimension and extension lines overshoots
|
|
if hasattr(obj.ViewObject,"DimOvershoot") and obj.ViewObject.DimOvershoot.Value:
|
|
shootsize = obj.ViewObject.DimOvershoot.Value/pointratio
|
|
svg += getOvershoot(p2,shootsize,stroke,linewidth,angle)
|
|
svg += getOvershoot(p3,shootsize,stroke,linewidth,angle+math.pi)
|
|
if hasattr(obj.ViewObject,"ExtOvershoot") and obj.ViewObject.ExtOvershoot.Value:
|
|
shootsize = obj.ViewObject.ExtOvershoot.Value/pointratio
|
|
shootangle = -DraftVecUtils.angle(p1.sub(p2))
|
|
svg += getOvershoot(p2,shootsize,stroke,linewidth,shootangle)
|
|
svg += getOvershoot(p3,shootsize,stroke,linewidth,shootangle)
|
|
|
|
# drawing arrows
|
|
if hasattr(obj.ViewObject,"ArrowType"):
|
|
arrowsize = obj.ViewObject.ArrowSize.Value/pointratio
|
|
if hasattr(obj.ViewObject,"FlipArrows"):
|
|
if obj.ViewObject.FlipArrows:
|
|
angle = angle+math.pi
|
|
svg += getArrow(obj.ViewObject.ArrowType,p2,arrowsize,stroke,linewidth,angle)
|
|
svg += getArrow(obj.ViewObject.ArrowType,p3,arrowsize,stroke,linewidth,angle+math.pi)
|
|
|
|
# drawing text
|
|
svg += getText(stroke,fontsize,obj.ViewObject.FontName,tangle,tbase,prx.string)
|
|
|
|
elif getType(obj) == "AngularDimension":
|
|
if gui:
|
|
if not obj.ViewObject:
|
|
print ("export of dimensions to SVG is only available in GUI mode")
|
|
elif obj.ViewObject.Proxy:
|
|
if hasattr(obj.ViewObject.Proxy,"circle"):
|
|
prx = obj.ViewObject.Proxy
|
|
|
|
# drawing arc
|
|
fill= "none"
|
|
if obj.ViewObject.DisplayMode == "2D":
|
|
svg += getPath([prx.circle])
|
|
else:
|
|
if hasattr(prx,"circle1"):
|
|
svg += getPath([prx.circle1])
|
|
svg += getPath([prx.circle2])
|
|
else:
|
|
svg += getPath([prx.circle])
|
|
|
|
# drawing arrows
|
|
if hasattr(obj.ViewObject,"ArrowType"):
|
|
p2 = getProj(prx.p2, plane)
|
|
p3 = getProj(prx.p3, plane)
|
|
arrowsize = obj.ViewObject.ArrowSize.Value/pointratio
|
|
arrowlength = 4*obj.ViewObject.ArrowSize.Value
|
|
u1 = getProj((prx.circle.valueAt(prx.circle.FirstParameter+arrowlength)).sub(prx.circle.valueAt(prx.circle.FirstParameter)), plane)
|
|
u2 = getProj((prx.circle.valueAt(prx.circle.LastParameter-arrowlength)).sub(prx.circle.valueAt(prx.circle.LastParameter)), plane)
|
|
angle1 = -DraftVecUtils.angle(u1)
|
|
angle2 = -DraftVecUtils.angle(u2)
|
|
if hasattr(obj.ViewObject,"FlipArrows"):
|
|
if obj.ViewObject.FlipArrows:
|
|
angle1 = angle1+math.pi
|
|
angle2 = angle2+math.pi
|
|
svg += getArrow(obj.ViewObject.ArrowType,p2,arrowsize,stroke,linewidth,angle1)
|
|
svg += getArrow(obj.ViewObject.ArrowType,p3,arrowsize,stroke,linewidth,angle2)
|
|
|
|
# drawing text
|
|
if obj.ViewObject.DisplayMode == "2D":
|
|
t = prx.circle.tangentAt(prx.circle.FirstParameter+(prx.circle.LastParameter-prx.circle.FirstParameter)/2.0)
|
|
t = getProj(t, plane)
|
|
tangle = DraftVecUtils.angle(t)
|
|
if (tangle <= -math.pi/2) or (tangle > math.pi/2):
|
|
tangle = tangle + math.pi
|
|
tbase = getProj(prx.circle.valueAt(prx.circle.FirstParameter+(prx.circle.LastParameter-prx.circle.FirstParameter)/2.0), plane)
|
|
tbase = tbase.add(DraftVecUtils.rotate(Vector(0,2.0/scale,0),tangle))
|
|
#print(tbase)
|
|
else:
|
|
tangle = 0
|
|
tbase = getProj(prx.tbase, plane)
|
|
svg += getText(stroke,fontsize,obj.ViewObject.FontName,tangle,tbase,prx.string)
|
|
|
|
elif getType(obj) == "Label":
|
|
if getattr(obj.ViewObject, "Line", True): # some Labels may have no Line property
|
|
def format_point(coords, action='L'):
|
|
return "{action}{x},{y}".format(
|
|
x=coords.x, y=coords.y, action=action
|
|
)
|
|
|
|
# Draw multisegment line
|
|
proj_points = list(map(lambda x: getProj(x, plane), obj.Points))
|
|
path_dir_list = [format_point(proj_points[0], action='M')]
|
|
path_dir_list += map(format_point, proj_points[1:])
|
|
path_dir_str = " ".join(path_dir_list)
|
|
svg_path = '<path fill="none" stroke="{stroke}" stroke-width="{linewidth}" d="{directions}"/>'.format(
|
|
stroke=stroke,
|
|
linewidth=linewidth,
|
|
directions=path_dir_str
|
|
)
|
|
svg += svg_path
|
|
|
|
# Draw arrow.
|
|
# We are different here from 3D view
|
|
# if Line is set to 'off', no arrow is drawn
|
|
if hasattr(obj.ViewObject, "ArrowType") and len(obj.Points) >= 2:
|
|
last_segment = FreeCAD.Vector(obj.Points[-1] - obj.Points[-2])
|
|
angle = -DraftVecUtils.angle(getProj(last_segment, plane)) + math.pi
|
|
svg += getArrow(
|
|
arrowtype=obj.ViewObject.ArrowType,
|
|
point=proj_points[-1],
|
|
arrowsize=obj.ViewObject.ArrowSize.Value/pointratio,
|
|
color=stroke,
|
|
linewidth=linewidth,
|
|
angle=angle
|
|
)
|
|
|
|
# print text
|
|
if gui:
|
|
if not obj.ViewObject:
|
|
print("export of texts to SVG is only available in GUI mode")
|
|
else:
|
|
fontname = obj.ViewObject.TextFont
|
|
position = getProj(obj.Placement.Base, plane)
|
|
rotation = obj.Placement.Rotation
|
|
justification = obj.ViewObject.TextAlignment
|
|
text = obj.Text
|
|
svg += getText(stroke, fontsize, fontname, rotation, position,
|
|
text, linespacing, justification)
|
|
|
|
elif getType(obj) in ["Annotation","DraftText"]:
|
|
"returns an svg representation of a document annotation"
|
|
if gui:
|
|
if not obj.ViewObject:
|
|
print ("export of texts to SVG is only available in GUI mode")
|
|
else:
|
|
n = obj.ViewObject.FontName
|
|
if getType(obj) == "Annotation":
|
|
p = getProj(obj.Position, plane)
|
|
r = obj.ViewObject.Rotation.getValueAs("rad")
|
|
t = obj.LabelText
|
|
else: # DraftText
|
|
p = getProj(obj.Placement.Base, plane)
|
|
r = obj.Placement.Rotation
|
|
t = obj.Text
|
|
j = obj.ViewObject.Justification
|
|
svg += getText(stroke,fontsize,n,r,p,t,linespacing,j)
|
|
|
|
elif getType(obj) == "Axis":
|
|
"returns the SVG representation of an Arch Axis system"
|
|
if gui:
|
|
if not obj.ViewObject:
|
|
print ("export of axes to SVG is only available in GUI mode")
|
|
else:
|
|
vobj = obj.ViewObject
|
|
lorig = lstyle
|
|
fill = 'none'
|
|
rad = vobj.BubbleSize.Value/2
|
|
n = 0
|
|
for e in obj.Shape.Edges:
|
|
lstyle = lorig
|
|
svg += getPath([e])
|
|
lstyle = "none"
|
|
pos = ["Start"]
|
|
if hasattr(vobj,"BubblePosition"):
|
|
if vobj.BubblePosition == "Both":
|
|
pos = ["Start","End"]
|
|
else:
|
|
pos = [vobj.BubblePosition]
|
|
for p in pos:
|
|
if p == "Start":
|
|
p1 = e.Vertexes[0].Point
|
|
p2 = e.Vertexes[1].Point
|
|
else:
|
|
p1 = e.Vertexes[1].Point
|
|
p2 = e.Vertexes[0].Point
|
|
dv = p2.sub(p1)
|
|
dv.normalize()
|
|
center = p2.add(dv.scale(rad,rad,rad))
|
|
svg += getCircle(Part.makeCircle(rad,center))
|
|
if hasattr(vobj.Proxy,"bubbletexts"):
|
|
if len (vobj.Proxy.bubbletexts) >= n:
|
|
svg += '<text fill="' + stroke + '" '
|
|
svg += 'font-size="' + str(rad) + '" '
|
|
svg += 'style="text-anchor:middle;'
|
|
svg += 'text-align:center;'
|
|
svg += 'font-family: sans;" '
|
|
svg += 'transform="translate(' + str(center.x+rad/4.0) + ',' + str(center.y-rad/3.0) + ') '
|
|
svg += 'scale(1,-1)"> '
|
|
svg += '<tspan>' + obj.ViewObject.Proxy.bubbletexts[n].string.getValues()[0] + '</tspan>\n'
|
|
svg += '</text>\n'
|
|
n += 1
|
|
lstyle = lorig
|
|
|
|
elif getType(obj) == "Pipe":
|
|
fill = stroke
|
|
if obj.Base and obj.Diameter:
|
|
svg += getPath(obj.Base.Shape.Edges)
|
|
for f in obj.Shape.Faces:
|
|
if len(f.Edges) == 1:
|
|
if isinstance(f.Edges[0].Curve,Part.Circle):
|
|
svg += getCircle(f.Edges[0])
|
|
|
|
elif getType(obj) == "Rebar":
|
|
fill = "none"
|
|
if obj.Proxy:
|
|
if not hasattr(obj.Proxy,"wires"):
|
|
obj.Proxy.execute(obj)
|
|
if hasattr(obj.Proxy,"wires"):
|
|
svg += getPath(wires=obj.Proxy.wires)
|
|
|
|
elif getType(obj) == "PipeConnector":
|
|
pass
|
|
|
|
elif getType(obj) == "Space":
|
|
"returns an SVG fragment for the text of a space"
|
|
if gui:
|
|
if not obj.ViewObject:
|
|
print ("export of spaces to SVG is only available in GUI mode")
|
|
else:
|
|
if fillSpaces:
|
|
if hasattr(obj,"Proxy"):
|
|
if not hasattr(obj.Proxy,"face"):
|
|
obj.Proxy.getArea(obj,notouch=True)
|
|
if hasattr(obj.Proxy,"face"):
|
|
# setting fill
|
|
if gui:
|
|
fill = getrgb(obj.ViewObject.ShapeColor,testbw=False)
|
|
fill_opacity = 1 - (obj.ViewObject.Transparency / 100.0)
|
|
else:
|
|
fill = "#888888"
|
|
svg += getPath(wires=[obj.Proxy.face.OuterWire])
|
|
c = getrgb(obj.ViewObject.TextColor)
|
|
n = obj.ViewObject.FontName
|
|
a = 0
|
|
if rotation != 0:
|
|
a = math.radians(rotation)
|
|
t1 = obj.ViewObject.Proxy.text1.string.getValues()
|
|
t2 = obj.ViewObject.Proxy.text2.string.getValues()
|
|
scale = obj.ViewObject.FirstLine.Value/obj.ViewObject.FontSize.Value
|
|
f1 = fontsize*scale
|
|
p2 = obj.Placement.multVec(FreeCAD.Vector(obj.ViewObject.Proxy.coords.translation.getValue().getValue()))
|
|
lspc = FreeCAD.Vector(obj.ViewObject.Proxy.header.translation.getValue().getValue())
|
|
p1 = p2.add(lspc)
|
|
j = obj.ViewObject.TextAlign
|
|
t3 = getText(c,f1,n,a,getProj(p1, plane),t1,linespacing,j,flip=True)
|
|
svg += t3
|
|
if t2:
|
|
ofs = FreeCAD.Vector(0,-lspc.Length,0)
|
|
if a:
|
|
ofs = FreeCAD.Rotation(FreeCAD.Vector(0,0,1),-rotation).multVec(ofs)
|
|
t4 = getText(c,fontsize,n,a,getProj(p1, plane).add(ofs),t2,linespacing,j,flip=True)
|
|
svg += t4
|
|
|
|
elif obj.isDerivedFrom('Part::Feature'):
|
|
if obj.Shape.isNull():
|
|
return ''
|
|
# setting fill
|
|
if obj.Shape.Faces:
|
|
if gui:
|
|
try:
|
|
m = obj.ViewObject.DisplayMode
|
|
except AttributeError:
|
|
m = None
|
|
if (m != "Wireframe"):
|
|
if fillstyle == "shape color":
|
|
fill = getrgb(obj.ViewObject.ShapeColor,testbw=False)
|
|
fill_opacity = 1 - (obj.ViewObject.Transparency / 100.0)
|
|
else:
|
|
fill = 'url(#'+fillstyle+')'
|
|
svg += getPattern(fillstyle)
|
|
else:
|
|
fill = "none"
|
|
else:
|
|
fill = "#888888"
|
|
else:
|
|
fill = 'none'
|
|
|
|
if len(obj.Shape.Vertexes) > 1:
|
|
wiredEdges = []
|
|
if obj.Shape.Faces:
|
|
for i,f in enumerate(obj.Shape.Faces):
|
|
# place outer wire first
|
|
wires = [f.OuterWire]
|
|
wires.extend([w for w in f.Wires if w.hashCode() != f.OuterWire.hashCode()])
|
|
svg += getPath(wires=f.Wires,pathname='%s_f%04d' % \
|
|
(obj.Name,i))
|
|
wiredEdges.extend(f.Edges)
|
|
else:
|
|
for i,w in enumerate(obj.Shape.Wires):
|
|
svg += getPath(w.Edges,pathname='%s_w%04d' % \
|
|
(obj.Name,i))
|
|
wiredEdges.extend(w.Edges)
|
|
if len(wiredEdges) != len(obj.Shape.Edges):
|
|
for i,e in enumerate(obj.Shape.Edges):
|
|
if (DraftGeomUtils.findEdge(e,wiredEdges) is None):
|
|
svg += getPath([e],pathname='%s_nwe%04d' % \
|
|
(obj.Name,i))
|
|
else:
|
|
# closed circle or spline
|
|
if obj.Shape.Edges:
|
|
if isinstance(obj.Shape.Edges[0].Curve,Part.Circle):
|
|
svg = getCircle(obj.Shape.Edges[0])
|
|
else:
|
|
svg = getPath(obj.Shape.Edges)
|
|
if FreeCAD.GuiUp:
|
|
if hasattr(obj.ViewObject,"EndArrow") and hasattr(obj.ViewObject,"ArrowType") and (len(obj.Shape.Vertexes) > 1):
|
|
if obj.ViewObject.EndArrow:
|
|
p1 = getProj(obj.Shape.Vertexes[-1].Point, plane)
|
|
p2 = getProj(obj.Shape.Vertexes[-2].Point, plane)
|
|
angle = -DraftVecUtils.angle(p2.sub(p1))
|
|
arrowsize = obj.ViewObject.ArrowSize.Value/pointratio
|
|
svg += getArrow(obj.ViewObject.ArrowType,p1,arrowsize,stroke,linewidth,angle)
|
|
|
|
# techdraw expects bottom-to-top coordinates
|
|
if techdraw:
|
|
svg = '<g transform ="scale(1,-1)">\n '+svg+'</g>\n'
|
|
return svg
|