From b2eb56076d47af08a11e10fa53446a00b849a13c Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Thu, 26 Sep 2019 19:45:54 +0200
Subject: Pogojig mostly done: KiCAD export works
---
support/inkscape/__init__.py | 0
support/inkscape/__main__.py | 64 ----
support/inkscape/bezmisc.py | 273 -----------------
support/inkscape/cspsubdiv.py | 37 ---
support/inkscape/cubicsuperpath.py | 174 -----------
support/inkscape/dxf_footer.txt | 62 ----
support/inkscape/dxf_header.txt | 580 ------------------------------------
support/inkscape/effect.py | 280 -----------------
support/inkscape/ffgeom.py | 141 ---------
support/inkscape/inkex.py | 370 -----------------------
support/inkscape/inkscape.py | 136 ---------
support/inkscape/simplepath.py | 212 -------------
support/inkscape/simpletransform.py | 241 ---------------
13 files changed, 2570 deletions(-)
delete mode 100644 support/inkscape/__init__.py
delete mode 100644 support/inkscape/__main__.py
delete mode 100755 support/inkscape/bezmisc.py
delete mode 100755 support/inkscape/cspsubdiv.py
delete mode 100755 support/inkscape/cubicsuperpath.py
delete mode 100644 support/inkscape/dxf_footer.txt
delete mode 100644 support/inkscape/dxf_header.txt
delete mode 100644 support/inkscape/effect.py
delete mode 100755 support/inkscape/ffgeom.py
delete mode 100755 support/inkscape/inkex.py
delete mode 100644 support/inkscape/inkscape.py
delete mode 100755 support/inkscape/simplepath.py
delete mode 100755 support/inkscape/simpletransform.py
(limited to 'support/inkscape')
diff --git a/support/inkscape/__init__.py b/support/inkscape/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/support/inkscape/__main__.py b/support/inkscape/__main__.py
deleted file mode 100644
index 29ac745..0000000
--- a/support/inkscape/__main__.py
+++ /dev/null
@@ -1,64 +0,0 @@
-import os, shutil
-from lib import util
-from . import effect, inkscape
-
-
-def _unfuck_svg_document(temp_svg_path):
- """
- Unfucks an SVG document so is can be processed by the better_dxf_export
- plugin (or what's left of it).
- """
- command_line = inkscape.InkscapeCommandLine(temp_svg_path)
- layers = command_line.layers
-
- command_line.apply_to_document('LayerUnlockAll', 'LayerShowAll')
-
- layer_copies = []
-
- for i in layers:
- layer_copy = command_line.duplicate_layer(i)
- layer_copies.append(layer_copy)
-
- command_line.apply_to_layer_content(layer_copy, 'ObjectToPath')
- command_line.apply_to_layer_content(layer_copy, 'SelectionUnGroup')
-
- if not i.use_paths:
- command_line.apply_to_layer_content(layer_copy, 'StrokeToPath')
- command_line.apply_to_layer_content(layer_copy, 'SelectionUnion')
-
- for original, copy in zip(layers, layer_copies):
- command_line.clear_layer(original)
- command_line.move_content(copy, original)
- command_line.delete_layer(copy)
-
- command_line.apply_to_document('FileSave', 'FileClose', 'FileQuit')
-
- command_line.run()
-
-
-@util.main
-def main(in_path, out_path):
- try:
- _, out_suffix = os.path.splitext(out_path)
-
- effect.ExportEffect.check_document_units(in_path)
-
- with util.TemporaryDirectory() as temp_dir:
- temp_svg_path = os.path.join(temp_dir, os.path.basename(in_path))
-
- shutil.copyfile(in_path, temp_svg_path)
-
- _unfuck_svg_document(temp_svg_path)
-
- export_effect = effect.ExportEffect()
- export_effect.affect(args=[temp_svg_path], output=False)
-
- with open(out_path, 'w') as file:
- if out_suffix == '.dxf':
- export_effect.write_dxf(file)
- elif out_suffix == '.asy':
- export_effect.write_asy(file)
- else:
- raise Exception('Unknown file type: {}'.format(out_suffix))
- except util.UserError as e:
- raise util.UserError('While processing {}: {}', in_path, e)
diff --git a/support/inkscape/bezmisc.py b/support/inkscape/bezmisc.py
deleted file mode 100755
index b7f5429..0000000
--- a/support/inkscape/bezmisc.py
+++ /dev/null
@@ -1,273 +0,0 @@
-#!/usr/bin/env python
-'''
-Copyright (C) 2010 Nick Drobchenko, nick@cnc-club.ru
-Copyright (C) 2005 Aaron Spike, aaron@ekips.org
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-'''
-
-import math, cmath
-
-def rootWrapper(a,b,c,d):
- if a:
- # Monics formula see http://en.wikipedia.org/wiki/Cubic_function#Monic_formula_of_roots
- a,b,c = (b/a, c/a, d/a)
- m = 2.0*a**3 - 9.0*a*b + 27.0*c
- k = a**2 - 3.0*b
- n = m**2 - 4.0*k**3
- w1 = -.5 + .5*cmath.sqrt(-3.0)
- w2 = -.5 - .5*cmath.sqrt(-3.0)
- if n < 0:
- m1 = pow(complex((m+cmath.sqrt(n))/2),1./3)
- n1 = pow(complex((m-cmath.sqrt(n))/2),1./3)
- else:
- if m+math.sqrt(n) < 0:
- m1 = -pow(-(m+math.sqrt(n))/2,1./3)
- else:
- m1 = pow((m+math.sqrt(n))/2,1./3)
- if m-math.sqrt(n) < 0:
- n1 = -pow(-(m-math.sqrt(n))/2,1./3)
- else:
- n1 = pow((m-math.sqrt(n))/2,1./3)
- x1 = -1./3 * (a + m1 + n1)
- x2 = -1./3 * (a + w1*m1 + w2*n1)
- x3 = -1./3 * (a + w2*m1 + w1*n1)
- return (x1,x2,x3)
- elif b:
- det=c**2.0-4.0*b*d
- if det:
- return (-c+cmath.sqrt(det))/(2.0*b),(-c-cmath.sqrt(det))/(2.0*b)
- else:
- return -c/(2.0*b),
- elif c:
- return 1.0*(-d/c),
- return ()
-
-def bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))):
- #parametric bezier
- x0=bx0
- y0=by0
- cx=3*(bx1-x0)
- bx=3*(bx2-bx1)-cx
- ax=bx3-x0-cx-bx
- cy=3*(by1-y0)
- by=3*(by2-by1)-cy
- ay=by3-y0-cy-by
-
- return ax,ay,bx,by,cx,cy,x0,y0
- #ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)))
-
-def linebezierintersect(((lx1,ly1),(lx2,ly2)),((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3))):
- #parametric line
- dd=lx1
- cc=lx2-lx1
- bb=ly1
- aa=ly2-ly1
-
- if aa:
- coef1=cc/aa
- coef2=1
- else:
- coef1=1
- coef2=aa/cc
-
- ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)))
- #cubic intersection coefficients
- a=coef1*ay-coef2*ax
- b=coef1*by-coef2*bx
- c=coef1*cy-coef2*cx
- d=coef1*(y0-bb)-coef2*(x0-dd)
-
- roots = rootWrapper(a,b,c,d)
- retval = []
- for i in roots:
- if type(i) is complex and i.imag==0:
- i = i.real
- if type(i) is not complex and 0<=i<=1:
- retval.append(bezierpointatt(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)),i))
- return retval
-
-def bezierpointatt(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)),t):
- ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)))
- x=ax*(t**3)+bx*(t**2)+cx*t+x0
- y=ay*(t**3)+by*(t**2)+cy*t+y0
- return x,y
-
-def bezierslopeatt(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)),t):
- ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)))
- dx=3*ax*(t**2)+2*bx*t+cx
- dy=3*ay*(t**2)+2*by*t+cy
- return dx,dy
-
-def beziertatslope(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)),(dy,dx)):
- ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)))
- #quadratic coefficents of slope formula
- if dx:
- slope = 1.0*(dy/dx)
- a=3*ay-3*ax*slope
- b=2*by-2*bx*slope
- c=cy-cx*slope
- elif dy:
- slope = 1.0*(dx/dy)
- a=3*ax-3*ay*slope
- b=2*bx-2*by*slope
- c=cx-cy*slope
- else:
- return []
-
- roots = rootWrapper(0,a,b,c)
- retval = []
- for i in roots:
- if type(i) is complex and i.imag==0:
- i = i.real
- if type(i) is not complex and 0<=i<=1:
- retval.append(i)
- return retval
-
-def tpoint((x1,y1),(x2,y2),t):
- return x1+t*(x2-x1),y1+t*(y2-y1)
-def beziersplitatt(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)),t):
- m1=tpoint((bx0,by0),(bx1,by1),t)
- m2=tpoint((bx1,by1),(bx2,by2),t)
- m3=tpoint((bx2,by2),(bx3,by3),t)
- m4=tpoint(m1,m2,t)
- m5=tpoint(m2,m3,t)
- m=tpoint(m4,m5,t)
-
- return ((bx0,by0),m1,m4,m),(m,m5,m3,(bx3,by3))
-
-'''
-Approximating the arc length of a bezier curve
-according to <http://www.cit.gu.edu.au/~anthony/info/graphics/bezier.curves>
-
-if:
- L1 = |P0 P1| +|P1 P2| +|P2 P3|
- L0 = |P0 P3|
-then:
- L = 1/2*L0 + 1/2*L1
- ERR = L1-L0
-ERR approaches 0 as the number of subdivisions (m) increases
- 2^-4m
-
-Reference:
-Jens Gravesen <gravesen@mat.dth.dk>
-"Adaptive subdivision and the length of Bezier curves"
-mat-report no. 1992-10, Mathematical Institute, The Technical
-University of Denmark.
-'''
-def pointdistance((x1,y1),(x2,y2)):
- return math.sqrt(((x2 - x1) ** 2) + ((y2 - y1) ** 2))
-def Gravesen_addifclose(b, len, error = 0.001):
- box = 0
- for i in range(1,4):
- box += pointdistance(b[i-1], b[i])
- chord = pointdistance(b[0], b[3])
- if (box - chord) > error:
- first, second = beziersplitatt(b, 0.5)
- Gravesen_addifclose(first, len, error)
- Gravesen_addifclose(second, len, error)
- else:
- len[0] += (box / 2.0) + (chord / 2.0)
-def bezierlengthGravesen(b, error = 0.001):
- len = [0]
- Gravesen_addifclose(b, len, error)
- return len[0]
-
-# balf = Bezier Arc Length Function
-balfax,balfbx,balfcx,balfay,balfby,balfcy = 0,0,0,0,0,0
-def balf(t):
- retval = (balfax*(t**2) + balfbx*t + balfcx)**2 + (balfay*(t**2) + balfby*t + balfcy)**2
- return math.sqrt(retval)
-
-def Simpson(f, a, b, n_limit, tolerance):
- n = 2
- multiplier = (b - a)/6.0
- endsum = f(a) + f(b)
- interval = (b - a)/2.0
- asum = 0.0
- bsum = f(a + interval)
- est1 = multiplier * (endsum + (2.0 * asum) + (4.0 * bsum))
- est0 = 2.0 * est1
- #print multiplier, endsum, interval, asum, bsum, est1, est0
- while n < n_limit and abs(est1 - est0) > tolerance:
- n *= 2
- multiplier /= 2.0
- interval /= 2.0
- asum += bsum
- bsum = 0.0
- est0 = est1
- for i in xrange(1, n, 2):
- bsum += f(a + (i * interval))
- est1 = multiplier * (endsum + (2.0 * asum) + (4.0 * bsum))
- #print multiplier, endsum, interval, asum, bsum, est1, est0
- return est1
-
-def bezierlengthSimpson(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)), tolerance = 0.001):
- global balfax,balfbx,balfcx,balfay,balfby,balfcy
- ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)))
- balfax,balfbx,balfcx,balfay,balfby,balfcy = 3*ax,2*bx,cx,3*ay,2*by,cy
- return Simpson(balf, 0.0, 1.0, 4096, tolerance)
-
-def beziertatlength(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)), l = 0.5, tolerance = 0.001):
- global balfax,balfbx,balfcx,balfay,balfby,balfcy
- ax,ay,bx,by,cx,cy,x0,y0=bezierparameterize(((bx0,by0),(bx1,by1),(bx2,by2),(bx3,by3)))
- balfax,balfbx,balfcx,balfay,balfby,balfcy = 3*ax,2*bx,cx,3*ay,2*by,cy
- t = 1.0
- tdiv = t
- curlen = Simpson(balf, 0.0, t, 4096, tolerance)
- targetlen = l * curlen
- diff = curlen - targetlen
- while abs(diff) > tolerance:
- tdiv /= 2.0
- if diff < 0:
- t += tdiv
- else:
- t -= tdiv
- curlen = Simpson(balf, 0.0, t, 4096, tolerance)
- diff = curlen - targetlen
- return t
-
-#default bezier length method
-bezierlength = bezierlengthSimpson
-
-if __name__ == '__main__':
- #print linebezierintersect(((,),(,)),((,),(,),(,),(,)))
- #print linebezierintersect(((0,1),(0,-1)),((-1,0),(-.5,0),(.5,0),(1,0)))
- tol = 0.00000001
- curves = [((0,0),(1,5),(4,5),(5,5)),
- ((0,0),(0,0),(5,0),(10,0)),
- ((0,0),(0,0),(5,1),(10,0)),
- ((-10,0),(0,0),(10,0),(10,10)),
- ((15,10),(0,0),(10,0),(-5,10))]
- '''
- for curve in curves:
- timing.start()
- g = bezierlengthGravesen(curve,tol)
- timing.finish()
- gt = timing.micro()
-
- timing.start()
- s = bezierlengthSimpson(curve,tol)
- timing.finish()
- st = timing.micro()
-
- print g, gt
- print s, st
- '''
- for curve in curves:
- print beziertatlength(curve,0.5)
-
-
-# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/support/inkscape/cspsubdiv.py b/support/inkscape/cspsubdiv.py
deleted file mode 100755
index c34236a..0000000
--- a/support/inkscape/cspsubdiv.py
+++ /dev/null
@@ -1,37 +0,0 @@
-#!/usr/bin/env python
-from bezmisc import *
-from ffgeom import *
-
-def maxdist(((p0x,p0y),(p1x,p1y),(p2x,p2y),(p3x,p3y))):
- p0 = Point(p0x,p0y)
- p1 = Point(p1x,p1y)
- p2 = Point(p2x,p2y)
- p3 = Point(p3x,p3y)
-
- s1 = Segment(p0,p3)
- return max(s1.distanceToPoint(p1),s1.distanceToPoint(p2))
-
-
-def cspsubdiv(csp,flat):
- for sp in csp:
- subdiv(sp,flat)
-
-def subdiv(sp,flat,i=1):
- while i < len(sp):
- p0 = sp[i-1][1]
- p1 = sp[i-1][2]
- p2 = sp[i][0]
- p3 = sp[i][1]
-
- b = (p0,p1,p2,p3)
- m = maxdist(b)
- if m <= flat:
- i += 1
- else:
- one, two = beziersplitatt(b,0.5)
- sp[i-1][2] = one[1]
- sp[i][0] = two[2]
- p = [one[2],one[3],two[1]]
- sp[i:1] = [p]
-
-# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/support/inkscape/cubicsuperpath.py b/support/inkscape/cubicsuperpath.py
deleted file mode 100755
index 861b9da..0000000
--- a/support/inkscape/cubicsuperpath.py
+++ /dev/null
@@ -1,174 +0,0 @@
-#!/usr/bin/env python
-"""
-cubicsuperpath.py
-
-Copyright (C) 2005 Aaron Spike, aaron@ekips.org
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
-"""
-import simplepath
-from math import *
-
-def matprod(mlist):
- prod=mlist[0]
- for m in mlist[1:]:
- a00=prod[0][0]*m[0][0]+prod[0][1]*m[1][0]
- a01=prod[0][0]*m[0][1]+prod[0][1]*m[1][1]
- a10=prod[1][0]*m[0][0]+prod[1][1]*m[1][0]
- a11=prod[1][0]*m[0][1]+prod[1][1]*m[1][1]
- prod=[[a00,a01],[a10,a11]]
- return prod
-def rotmat(teta):
- return [[cos(teta),-sin(teta)],[sin(teta),cos(teta)]]
-def applymat(mat, pt):
- x=mat[0][0]*pt[0]+mat[0][1]*pt[1]
- y=mat[1][0]*pt[0]+mat[1][1]*pt[1]
- pt[0]=x
- pt[1]=y
-def norm(pt):
- return sqrt(pt[0]*pt[0]+pt[1]*pt[1])
-
-def ArcToPath(p1,params):
- A=p1[:]
- rx,ry,teta,longflag,sweepflag,x2,y2=params[:]
- teta = teta*pi/180.0
- B=[x2,y2]
- if rx==0 or ry==0 or A==B:
- return([[A[:],A[:],A[:]],[B[:],B[:],B[:]]])
- mat=matprod((rotmat(teta),[[1/rx,0],[0,1/ry]],rotmat(-teta)))
- applymat(mat, A)
- applymat(mat, B)
- k=[-(B[1]-A[1]),B[0]-A[0]]
- d=k[0]*k[0]+k[1]*k[1]
- k[0]/=sqrt(d)
- k[1]/=sqrt(d)
- d=sqrt(max(0,1-d/4))
- if longflag==sweepflag:
- d*=-1
- O=[(B[0]+A[0])/2+d*k[0],(B[1]+A[1])/2+d*k[1]]
- OA=[A[0]-O[0],A[1]-O[1]]
- OB=[B[0]-O[0],B[1]-O[1]]
- start=acos(OA[0]/norm(OA))
- if OA[1]<0:
- start*=-1
- end=acos(OB[0]/norm(OB))
- if OB[1]<0:
- end*=-1
-
- if sweepflag and start>end:
- end +=2*pi
- if (not sweepflag) and start<end:
- end -=2*pi
-
- NbSectors=int(abs(start-end)*2/pi)+1
- dTeta=(end-start)/NbSectors
- #v=dTeta*2/pi*0.552
- #v=dTeta*2/pi*4*(sqrt(2)-1)/3
- v = 4*tan(dTeta/4)/3
- #if not sweepflag:
- # v*=-1
- p=[]
- for i in range(0,NbSectors+1,1):
- angle=start+i*dTeta
- v1=[O[0]+cos(angle)-(-v)*sin(angle),O[1]+sin(angle)+(-v)*cos(angle)]
- pt=[O[0]+cos(angle) ,O[1]+sin(angle) ]
- v2=[O[0]+cos(angle)- v *sin(angle),O[1]+sin(angle)+ v *cos(angle)]
- p.append([v1,pt,v2])
-
- mat=matprod((rotmat(teta),[[rx,0],[0,ry]],rotmat(-teta)))
- for pts in p:
- applymat(mat, pts[0])
- applymat(mat, pts[1])
- applymat(mat, pts[2])
-
- # Use exact coordinates for the endpoints. This prevents small drifts when relative coordinates are used and guarantees that a path ending with a z command closes perfectly.
- p[0][0] = p1[:]
- p[0][1] = p1[:]
- p[-1][1] = [x2, y2]
- p[-1][2] = [x2, y2]
-
- return p
-
-def CubicSuperPath(simplepath):
- csp = []
- subpath = -1
- subpathstart = []
- last = []
- lastctrl = []
- for s in simplepath:
- cmd, params = s
- if cmd == 'M':
- if last:
- csp[subpath].append([lastctrl[:],last[:],last[:]])
- subpath += 1
- csp.append([])
- subpathstart = params[:]
- last = params[:]
- lastctrl = params[:]
- elif cmd == 'L':
- csp[subpath].append([lastctrl[:],last[:],last[:]])
- last = params[:]
- lastctrl = params[:]
- elif cmd == 'C':
- csp[subpath].append([lastctrl[:],last[:],params[:2]])
- last = params[-2:]
- lastctrl = params[2:4]
- elif cmd == 'Q':
- q0=last[:]
- q1=params[0:2]
- q2=params[2:4]
- x0= q0[0]
- x1=1./3*q0[0]+2./3*q1[0]
- x2= 2./3*q1[0]+1./3*q2[0]
- x3= q2[0]
- y0= q0[1]
- y1=1./3*q0[1]+2./3*q1[1]
- y2= 2./3*q1[1]+1./3*q2[1]
- y3= q2[1]
- csp[subpath].append([lastctrl[:],[x0,y0],[x1,y1]])
- last = [x3,y3]
- lastctrl = [x2,y2]
- elif cmd == 'A':
- arcp=ArcToPath(last[:],params[:])
- arcp[ 0][0]=lastctrl[:]
- last=arcp[-1][1]
- lastctrl = arcp[-1][0]
- csp[subpath]+=arcp[:-1]
- elif cmd == 'Z':
- csp[subpath].append([lastctrl[:],last[:],last[:]])
- last = subpathstart[:]
- lastctrl = subpathstart[:]
- #append final superpoint
- csp[subpath].append([lastctrl[:],last[:],last[:]])
- return csp
-
-def unCubicSuperPath(csp):
- a = []
- for subpath in csp:
- if subpath:
- a.append(['M',subpath[0][1][:]])
- for i in range(1,len(subpath)):
- a.append(['C',subpath[i-1][2][:] + subpath[i][0][:] + subpath[i][1][:]])
- return a
-
-def parsePath(d):
- return CubicSuperPath(simplepath.parsePath(d))
-
-def formatPath(p):
- return simplepath.formatPath(unCubicSuperPath(p))
-
-
-# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/support/inkscape/dxf_footer.txt b/support/inkscape/dxf_footer.txt
deleted file mode 100644
index a225dd7..0000000
--- a/support/inkscape/dxf_footer.txt
+++ /dev/null
@@ -1,62 +0,0 @@
-0
-ENDSEC
-0
-SECTION
-2
-OBJECTS
-0
-DICTIONARY
-5
-C
-330
-0
-100
-AcDbDictionary
-3
-ACAD_GROUP
-350
-D
-3
-ACAD_MLINESTYLE
-350
-17
-0
-DICTIONARY
-5
-D
-330
-C
-100
-AcDbDictionary
-0
-DICTIONARY
-5
-1A
-330
-C
-100
-AcDbDictionary
-0
-DICTIONARY
-5
-17
-330
-C
-100
-AcDbDictionary
-3
-STANDARD
-350
-18
-0
-DICTIONARY
-5
-19
-330
-C
-100
-AcDbDictionary
-0
-ENDSEC
-0
-EOF
diff --git a/support/inkscape/dxf_header.txt b/support/inkscape/dxf_header.txt
deleted file mode 100644
index 341cb1b..0000000
--- a/support/inkscape/dxf_header.txt
+++ /dev/null
@@ -1,580 +0,0 @@
-0
-SECTION
-2
-HEADER
-9
-$ACADVER
-1
-AC1014
-9
-$HANDSEED
-5
-FFFF
-0
-ENDSEC
-0
-SECTION
-2
-TABLES
-0
-TABLE
-2
-VPORT
-5
-8
-330
-0
-100
-AcDbSymbolTable
-70
-4
-0
-VPORT
-5
-2E
-330
-8
-100
-AcDbSymbolTableRecord
-100
-AcDbViewportTableRecord
-2
-*ACTIVE
-70
-0
-10
-0.0
-20
-0.0
-11
-1.0
-21
-1.0
-12
-4.25
-22
-5.5
-13
-0.0
-23
-0.0
-14
-10.0
-24
-10.0
-15
-10.0
-25
-10.0
-16
-0.0
-26
-0.0
-36
-1.0
-17
-0.0
-27
-0.0
-37
-0.0
-40
-11
-41
-1.24
-42
-50.0
-43
-0.0
-44
-0.0
-50
-0.0
-51
-0.0
-71
-0
-72
-100
-73
-1
-74
-3
-75
-0
-76
-0
-77
-0
-78
-0
-0
-ENDTAB
-0
-TABLE
-2
-LTYPE
-5
-5
-330
-0
-100
-AcDbSymbolTable
-70
-1
-0
-LTYPE
-5
-14
-330
-5
-100
-AcDbSymbolTableRecord
-100
-AcDbLinetypeTableRecord
-2
-BYBLOCK
-70
-0
-3
-
-72
-65
-73
-0
-40
-0.0
-0
-LTYPE
-5
-15
-330
-5
-100
-AcDbSymbolTableRecord
-100
-AcDbLinetypeTableRecord
-2
-BYLAYER
-70
-0
-3
-
-72
-65
-73
-0
-40
-0.0
-0
-LTYPE
-5
-16
-330
-5
-100
-AcDbSymbolTableRecord
-100
-AcDbLinetypeTableRecord
-2
-CONTINUOUS
-70
-0
-3
-Solid line
-72
-65
-73
-0
-40
-0.0
-0
-ENDTAB
-0
-TABLE
-2
-LAYER
-5
-2
-330
-0
-100
-AcDbSymbolTable
-70
-1
-0
-LAYER
-5
-10
-330
-2
-100
-AcDbSymbolTableRecord
-100
-AcDbLayerTableRecord
-2
-0
-70
-0
-62
-7
-6
-CONTINUOUS
-0
-ENDTAB
-0
-TABLE
-2
-STYLE
-5
-3
-330
-0
-100
-AcDbSymbolTable
-70
-1
-0
-STYLE
-5
-11
-330
-3
-100
-AcDbSymbolTableRecord
-100
-AcDbTextStyleTableRecord
-2
-STANDARD
-70
-0
-40
-0.0
-41
-1.0
-50
-0.0
-71
-0
-42
-2.5
-3
-txt
-4
-
-0
-ENDTAB
-0
-TABLE
-2
-VIEW
-5
-6
-330
-0
-100
-AcDbSymbolTable
-70
-0
-0
-ENDTAB
-0
-TABLE
-2
-UCS
-5
-7
-330
-0
-100
-AcDbSymbolTable
-70
-0
-0
-ENDTAB
-0
-TABLE
-2
-APPID
-5
-9
-330
-0
-100
-AcDbSymbolTable
-70
-2
-0
-APPID
-5
-12
-330
-9
-100
-AcDbSymbolTableRecord
-100
-AcDbRegAppTableRecord
-2
-ACAD
-70
-0
-0
-ENDTAB
-0
-TABLE
-2
-DIMSTYLE
-5
-A
-330
-0
-100
-AcDbSymbolTable
-70
-1
-0
-DIMSTYLE
-105
-27
-330
-A
-100
-AcDbSymbolTableRecord
-100
-AcDbDimStyleTableRecord
-2
-ISO-25
-70
-0
-3
-
-4
-
-5
-
-6
-
-7
-
-40
-1.0
-41
-2.5
-42
-0.625
-43
-3.75
-44
-1.25
-45
-0.0
-46
-0.0
-47
-0.0
-48
-0.0
-140
-2.5
-141
-2.5
-142
-0.0
-143
-0.03937007874016
-144
-1.0
-145
-0.0
-146
-1.0
-147
-0.625
-71
-0
-72
-0
-73
-0
-74
-0
-75
-0
-76
-0
-77
-1
-78
-8
-170
-0
-171
-3
-172
-1
-173
-0
-174
-0
-175
-0
-176
-0
-177
-0
-178
-0
-270
-2
-271
-2
-272
-2
-273
-2
-274
-3
-340
-11
-275
-0
-280
-0
-281
-0
-282
-0
-283
-0
-284
-8
-285
-0
-286
-0
-287
-3
-288
-0
-0
-ENDTAB
-0
-TABLE
-2
-BLOCK_RECORD
-5
-1
-330
-0
-100
-AcDbSymbolTable
-70
-1
-0
-BLOCK_RECORD
-5
-1F
-330
-1
-100
-AcDbSymbolTableRecord
-100
-AcDbBlockTableRecord
-2
-*MODEL_SPACE
-0
-BLOCK_RECORD
-5
-1B
-330
-1
-100
-AcDbSymbolTableRecord
-100
-AcDbBlockTableRecord
-2
-*PAPER_SPACE
-0
-ENDTAB
-0
-ENDSEC
-0
-SECTION
-2
-BLOCKS
-0
-BLOCK
-5
-20
-330
-1F
-100
-AcDbEntity
-8
-0
-100
-AcDbBlockBegin
-2
-*MODEL_SPACE
-70
-0
-10
-0.0
-20
-0.0
-30
-0.0
-3
-*MODEL_SPACE
-1
-
-0
-ENDBLK
-5
-21
-330
-1F
-100
-AcDbEntity
-8
-0
-100
-AcDbBlockEnd
-0
-BLOCK
-5
-1C
-330
-1B
-100
-AcDbEntity
-67
-1
-8
-0
-100
-AcDbBlockBegin
-2
-*PAPER_SPACE
-1
-
-0
-ENDBLK
-5
-1D
-330
-1B
-100
-AcDbEntity
-67
-1
-8
-0
-100
-AcDbBlockEnd
-0
-ENDSEC
-0
-SECTION
-2
-ENTITIES
diff --git a/support/inkscape/effect.py b/support/inkscape/effect.py
deleted file mode 100644
index 313032c..0000000
--- a/support/inkscape/effect.py
+++ /dev/null
@@ -1,280 +0,0 @@
-"""
-Based on code from Aaron Spike. See
-http://www.bobcookdev.com/inkscape/inkscape-dxf.html
-"""
-
-import collections
-import itertools
-import os
-import pkgutil
-import re
-from lxml import etree
-
-from lib import util
-from . import inkex, simpletransform, cubicsuperpath, cspsubdiv, inkscape
-
-
-def _get_unit_factors_map():
- # Fluctuates somewhat between Inkscape releases _and_ between SVG version.
- pixels_per_inch = 96.
- pixels_per_mm = pixels_per_inch / 25.4
-
- return {
- 'px': 1.0,
- 'mm': pixels_per_mm,
- 'cm': pixels_per_mm * 10,
- 'm': pixels_per_mm * 1e3,
- 'km': pixels_per_mm * 1e6,
- 'pt': pixels_per_inch / 72,
- 'pc': pixels_per_inch / 6,
- 'in': pixels_per_inch,
- 'ft': pixels_per_inch * 12,
- 'yd': pixels_per_inch * 36}
-
-
-class ExportEffect(inkex.Effect):
- _unit_factors = _get_unit_factors_map()
- _asymptote_all_paths_name = 'all'
-
- def __init__(self):
- inkex.Effect.__init__(self)
-
- self._flatness = float(os.environ['DXF_FLATNESS'])
-
- self._layers = None
- self._paths = None
-
- def _get_document_scale(self):
- """
- Return scaling factor applied to the document because of a viewBox
- setting. This currently ignores any setting of a preserveAspectRatio
- attribute (like Inkscape).
- """
- document_height = self._get_height()
- view_box = self._get_view_box()
-
- if view_box is None or document_height is None:
- return 1
- else:
- _, _, _, view_box_height = view_box
-
- return document_height / view_box_height
-
- def _get_document_height(self):
- """
- Get the height of the document in pixels in the document coordinate
- system as it is interpreted by Inkscape.
- """
- view_box = self._get_view_box()
- document_height = self._get_height()
-
- if view_box is not None:
- _, _, _, view_box_height = view_box
-
- return view_box_height
- elif document_height is not None:
- return document_height
- else:
- return 0
-
- def _get_height(self):
- height_attr = self.document.getroot().get('height')
-
- if height_attr is None:
- return None
- else:
- return self._measure_to_pixels(height_attr)
-
- def _get_view_box(self):
- view_box_attr = self.document.getroot().get('viewBox')
-
- if view_box_attr is None:
- return None
- else:
- return [float(i) for i in view_box_attr.split()]
-
- def _get_shape_paths(self, node, transform):
- shape = cubicsuperpath.parsePath(node.get('d'))
-
- transform = simpletransform.composeTransform(
- transform,
- simpletransform.composeParents(node, [[1, 0, 0], [0, 1, 0]]))
-
- simpletransform.applyTransformToPath(transform, shape)
-
- def iter_paths():
- for path in shape:
- cspsubdiv.subdiv(path, self._flatness)
-
- # path contains two control point coordinates and the actual
- # coordinates per point.
- yield [i for _, i, _ in path]
-
- return list(iter_paths())
-
- def effect(self):
- document_height = self._get_document_height()
- document_scale = self._get_document_scale()
-
- transform = simpletransform.composeTransform(
- [[document_scale, 0, 0], [0, document_scale, 0]],
- [[1, 0, 0], [0, -1, document_height]])
-
- layers = inkscape.get_inkscape_layers(self.svg_file)
- layers_by_inkscape_name = {i.inkscape_name: i for i in layers}
-
- def iter_paths():
- for node in self.document.getroot().xpath('//svg:path', namespaces=inkex.NSS):
- layer = layers_by_inkscape_name.get(self._get_inkscape_layer_name(node))
-
- for path in self._get_shape_paths(node, transform):
- yield layer, path
-
- self._layers = layers
- self._paths = list(iter_paths())
-
- def write_dxf(self, file):
- # Scales pixels to millimeters. This is the predominant unit in CAD.
- unit_factor = self._unit_factors['mm']
-
- layer_indices = {l: i for i, l in enumerate(self._layers)}
-
- file.write(pkgutil.get_data(__name__, 'dxf_header.txt'))
-
- def write_instruction(code, value):
- print >> file, code
- print >> file, value
-
- handle_iter = itertools.count(256)
-
- for layer, path in self._paths:
- for (x1, y1), (x2, y2) in zip(path, path[1:]):
- write_instruction(0, 'LINE')
-
- if layer is not None:
- write_instruction(8, layer.export_name)
- write_instruction(62, layer_indices.get(layer, 0))
-
- write_instruction(5, '{:x}'.format(next(handle_iter)))
- write_instruction(100, 'AcDbEntity')
- write_instruction(100, 'AcDbLine')
- write_instruction(10, repr(x1 / unit_factor))
- write_instruction(20, repr(y1 / unit_factor))
- write_instruction(30, 0.0)
- write_instruction(11, repr(x2 / unit_factor))
- write_instruction(21, repr(y2 / unit_factor))
- write_instruction(31, 0.0)
-
- file.write(pkgutil.get_data(__name__, 'dxf_footer.txt'))
-
- def write_asy(self, file):
- def write_line(format, *args):
- print >> file, format.format(*args) + ';'
-
- # Scales pixels to points. Asymptote uses PostScript points (1 / 72
- # inch) by default.
- unit_factor = self._unit_factors['pt']
-
- paths_by_layer = collections.defaultdict(list)
- variable_names = []
-
- for layer, path in self._paths:
- paths_by_layer[layer].append(path)
-
- for layer in self._layers + [None]:
- paths = paths_by_layer[layer]
- variable_name = self._asymptote_identifier_from_layer(layer)
- write_line('path[] {}', variable_name)
-
- variable_names.append(variable_name)
-
- for path in paths:
- point_strs = ['({}, {})'.format(x / unit_factor, y / unit_factor) for x, y in path]
-
- # Hack. We should determine this from whether Z or z was used
- # to close the path in the SVG document.
- if path[0] == path[-1]:
- point_strs[-1] = 'cycle'
-
- write_line('{}.push({})', variable_name, ' -- '.join(point_strs))
-
- if self._asymptote_all_paths_name not in variable_names:
- write_line('path[] {}', self._asymptote_all_paths_name)
-
- for i in variable_names:
- write_line('{}.append({})', self._asymptote_all_paths_name, i)
-
- @classmethod
- def _parse_measure(cls, string):
- value_match = re.match(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)', string)
- unit_match = re.search('(%s)$' % '|'.join(cls._unit_factors.keys()), string)
-
- value = float(string[value_match.start():value_match.end()])
-
- if unit_match:
- unit = string[unit_match.start():unit_match.end()]
- else:
- unit = None
-
- return value, unit
-
- @classmethod
- def _measure_to_pixels(cls, string):
- """
- Parse a string containing a measure and return it's value converted
- to pixels.
- """
- value, unit = cls._parse_measure(string)
-
- return value * cls._get_unit_factor(unit)
-
- @classmethod
- def _get_inkscape_layer_name(cls, node):
- while node is not None:
- layer = node.get(inkex.addNS('label', 'inkscape'))
-
- if layer is not None:
- return layer
-
- node = node.getparent()
-
- return None
-
- @classmethod
- def _get_unit_factor(cls, unit):
- if unit is None:
- return 1
- else:
- return cls._unit_factors[unit]
-
- @classmethod
- def _asymptote_identifier_from_layer(cls, layer):
- if layer is None:
- return '_'
- else:
- return re.sub('[^a-zA-Z0-9]', '_', layer.export_name)
-
- @classmethod
- def check_document_units(cls, path):
- with open(path, 'r') as file:
- p = etree.XMLParser(huge_tree = True)
- document = etree.parse(file, parser = p)
-
- height_attr = document.getroot().get('height')
-
- if height_attr is None:
- raise util.UserError(
- 'SVG document has no height attribute. See '
- 'https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements')
-
- _, height_unit = cls._parse_measure(height_attr)
-
- if height_unit is None or height_unit == 'px':
- raise util.UserError(
- 'Height of SVG document is not an absolute measure. See '
- 'https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements')
-
- if document.getroot().get('viewBox') is None:
- raise util.UserError(
- 'SVG document has no viewBox attribute. See '
- 'https://github.com/Feuermurmel/openscad-template/wiki/Absolute-Measurements')
diff --git a/support/inkscape/ffgeom.py b/support/inkscape/ffgeom.py
deleted file mode 100755
index ef8799b..0000000
--- a/support/inkscape/ffgeom.py
+++ /dev/null
@@ -1,141 +0,0 @@
-#!/usr/bin/env python
-"""
- ffgeom.py
- Copyright (C) 2005 Aaron Cyril Spike, aaron@ekips.org
-
- This file is part of FretFind 2-D.
-
- FretFind 2-D is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- FretFind 2-D is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with FretFind 2-D; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-"""
-import math
-try:
- NaN = float('NaN')
-except ValueError:
- PosInf = 1e300000
- NaN = PosInf/PosInf
-
-class Point:
- precision = 5
- def __init__(self, x, y):
- self.__coordinates = {'x' : float(x), 'y' : float(y)}
- def __getitem__(self, key):
- return self.__coordinates[key]
- def __setitem__(self, key, value):
- self.__coordinates[key] = float(value)
- def __repr__(self):
- return '(%s, %s)' % (round(self['x'],self.precision),round(self['y'],self.precision))
- def copy(self):
- return Point(self['x'],self['y'])
- def translate(self, x, y):
- self['x'] += x
- self['y'] += y
- def move(self, x, y):
- self['x'] = float(x)
- self['y'] = float(y)
-
-class Segment:
- def __init__(self, e0, e1):
- self.__endpoints = [e0, e1]
- def __getitem__(self, key):
- return self.__endpoints[key]
- def __setitem__(self, key, value):
- self.__endpoints[key] = value
- def __repr__(self):
- return repr(self.__endpoints)
- def copy(self):
- return Segment(self[0],self[1])
- def translate(self, x, y):
- self[0].translate(x,y)
- self[1].translate(x,y)
- def move(self,e0,e1):
- self[0] = e0
- self[1] = e1
- def delta_x(self):
- return self[1]['x'] - self[0]['x']
- def delta_y(self):
- return self[1]['y'] - self[0]['y']
- #alias functions
- run = delta_x
- rise = delta_y
- def slope(self):
- if self.delta_x() != 0:
- return self.delta_x() / self.delta_y()
- return NaN
- def intercept(self):
- if self.delta_x() != 0:
- return self[1]['y'] - (self[0]['x'] * self.slope())
- return NaN
- def distanceToPoint(self, p):
- s2 = Segment(self[0],p)
- c1 = dot(s2,self)
- if c1 <= 0:
- return Segment(p,self[0]).length()
- c2 = dot(self,self)
- if c2 <= c1:
- return Segment(p,self[1]).length()
- return self.perpDistanceToPoint(p)
- def perpDistanceToPoint(self, p):
- len = self.length()
- if len == 0: return NaN
- return math.fabs(((self[1]['x'] - self[0]['x']) * (self[0]['y'] - p['y'])) - \
- ((self[0]['x'] - p['x']) * (self[1]['y'] - self[0]['y']))) / len
- def angle(self):
- return math.pi * (math.atan2(self.delta_y(), self.delta_x())) / 180
- def length(self):
- return math.sqrt((self.delta_x() ** 2) + (self.delta_y() ** 2))
- def pointAtLength(self, len):
- if self.length() == 0: return Point(NaN, NaN)
- ratio = len / self.length()
- x = self[0]['x'] + (ratio * self.delta_x())
- y = self[0]['y'] + (ratio * self.delta_y())
- return Point(x, y)
- def pointAtRatio(self, ratio):
- if self.length() == 0: return Point(NaN, NaN)
- x = self[0]['x'] + (ratio * self.delta_x())
- y = self[0]['y'] + (ratio * self.delta_y())
- return Point(x, y)
- def createParallel(self, p):
- return Segment(Point(p['x'] + self.delta_x(), p['y'] + self.delta_y()), p)
- def intersect(self, s):
- return intersectSegments(self, s)
-
-def intersectSegments(s1, s2):
- x1 = s1[0]['x']
- x2 = s1[1]['x']
- x3 = s2[0]['x']
- x4 = s2[1]['x']
-
- y1 = s1[0]['y']
- y2 = s1[1]['y']
- y3 = s2[0]['y']
- y4 = s2[1]['y']
-
- denom = ((y4 - y3) * (x2 - x1)) - ((x4 - x3) * (y2 - y1))
- num1 = ((x4 - x3) * (y1 - y3)) - ((y4 - y3) * (x1 - x3))
- num2 = ((x2 - x1) * (y1 - y3)) - ((y2 - y1) * (x1 - x3))
-
- num = num1
-
- if denom != 0:
- x = x1 + ((num / denom) * (x2 - x1))
- y = y1 + ((num / denom) * (y2 - y1))
- return Point(x, y)
- return Point(NaN, NaN)
-
-def dot(s1, s2):
- return s1.delta_x() * s2.delta_x() + s1.delta_y() * s2.delta_y()
-
-
-# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/support/inkscape/inkex.py b/support/inkscape/inkex.py
deleted file mode 100755
index 19e860b..0000000
--- a/support/inkscape/inkex.py
+++ /dev/null
@@ -1,370 +0,0 @@
-#!/usr/bin/env python
-# -*- coding: utf-8 -*-
-"""
-inkex.py
-A helper module for creating Inkscape extensions
-
-Copyright (C) 2005,2010 Aaron Spike <aaron@ekips.org> and contributors
-
-Contributors:
- Aurélio A. Heckert <aurium(a)gmail.com>
- Bulia Byak <buliabyak@users.sf.net>
- Nicolas Dufour, nicoduf@yahoo.fr
- Peter J. R. Moulder <pjrm@users.sourceforge.net>
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-"""
-import copy
-import gettext
-import optparse
-import os
-import random
-import re
-import sys
-from math import *
-
-#a dictionary of all of the xmlns prefixes in a standard inkscape doc
-NSS = {
-u'sodipodi' :u'http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd',
-u'cc' :u'http://creativecommons.org/ns#',
-u'ccOLD' :u'http://web.resource.org/cc/',
-u'svg' :u'http://www.w3.org/2000/svg',
-u'dc' :u'http://purl.org/dc/elements/1.1/',
-u'rdf' :u'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
-u'inkscape' :u'http://www.inkscape.org/namespaces/inkscape',
-u'xlink' :u'http://www.w3.org/1999/xlink',
-u'xml' :u'http://www.w3.org/XML/1998/namespace'
-}
-
-def localize():
- domain = 'inkscape'
- if sys.platform.startswith('win'):
- import locale
- current_locale, encoding = locale.getdefaultlocale()
- os.environ['LANG'] = current_locale
- try:
- localdir = os.environ['INKSCAPE_LOCALEDIR'];
- trans = gettext.translation(domain, localdir, [current_locale], fallback=True)
- except KeyError:
- trans = gettext.translation(domain, fallback=True)
- elif sys.platform.startswith('darwin'):
- try:
- localdir = os.environ['INKSCAPE_LOCALEDIR'];
- trans = gettext.translation(domain, localdir, fallback=True)
- except KeyError:
- try:
- localdir = os.environ['PACKAGE_LOCALE_DIR'];
- trans = gettext.translation(domain, localdir, fallback=True)
- except KeyError:
- trans = gettext.translation(domain, fallback=True)
- else:
- try:
- localdir = os.environ['PACKAGE_LOCALE_DIR'];
- trans = gettext.translation(domain, localdir, fallback=True)
- except KeyError:
- trans = gettext.translation(domain, fallback=True)
- #sys.stderr.write(str(localdir) + "\n")
- trans.install()
-
-def debug(what):
- sys.stderr.write(str(what) + "\n")
- return what
-
-def errormsg(msg):
- """Intended for end-user-visible error messages.
-
- (Currently just writes to stderr with an appended newline, but could do
- something better in future: e.g. could add markup to distinguish error
- messages from status messages or debugging output.)
-
- Note that this should always be combined with translation:
-
- import inkex
- inkex.localize()
- ...
- inkex.errormsg(_("This extension requires two selected paths."))
- """
- if isinstance(msg, unicode):
- sys.stderr.write(msg.encode("UTF-8") + "\n")
- else:
- sys.stderr.write((unicode(msg, "utf-8", errors='replace') + "\n").encode("UTF-8"))
-
-def are_near_relative(a, b, eps):
- if (a-b <= a*eps) and (a-b >= -a*eps):
- return True
- else:
- return False
-
-
-# third party library
-try:
- from lxml import etree
-except Exception, e:
- localize()
- errormsg(_("The fantastic lxml wrapper for libxml2 is required by inkex.py and therefore this extension. Please download and install the latest version from http://cheeseshop.python.org/pypi/lxml/, or install it through your package manager by a command like: sudo apt-get install python-lxml\n\nTechnical details:\n%s" % (e,)))
- sys.exit()
-
-def check_inkbool(option, opt, value):
- if str(value).capitalize() == 'True':
- return True
- elif str(value).capitalize() == 'False':
- return False
- else:
- raise optparse.OptionValueError("option %s: invalid inkbool value: %s" % (opt, value))
-
-def addNS(tag, ns=None):
- val = tag
- if ns!=None and len(ns)>0 and NSS.has_key(ns) and len(tag)>0 and tag[0]!='{':
- val = "{%s}%s" % (NSS[ns], tag)
- return val
-
-class InkOption(optparse.Option):
- TYPES = optparse.Option.TYPES + ("inkbool",)
- TYPE_CHECKER = copy.copy(optparse.Option.TYPE_CHECKER)
- TYPE_CHECKER["inkbool"] = check_inkbool
-
-class Effect:
- """A class for creating Inkscape SVG Effects"""
-
- def __init__(self, *args, **kwargs):
- self.document=None
- self.original_document=None
- self.ctx=None
- self.selected={}
- self.doc_ids={}
- self.options=None
- self.args=None
- self.OptionParser = optparse.OptionParser(usage="usage: %prog [options] SVGfile",option_class=InkOption)
- self.OptionParser.add_option("--id",
- action="append", type="string", dest="ids", default=[],
- help="id attribute of object to manipulate")
-
- def effect(self):
- pass
-
- def getoptions(self,args=sys.argv[1:]):
- """Collect command line arguments"""
- self.options, self.args = self.OptionParser.parse_args(args)
-
- def parse(self, filename=None):
- """Parse document in specified file or on stdin"""
-
- # First try to open the file from the function argument
- if filename != None:
- try:
- stream = open(filename, 'r')
- except Exception:
- errormsg(_("Unable to open specified file: %s") % filename)
- sys.exit()
-
- # If it wasn't specified, try to open the file specified as
- # an object member
- elif self.svg_file != None:
- try:
- stream = open(self.svg_file, 'r')
- except Exception:
- errormsg(_("Unable to open object member file: %s") % self.svg_file)
- sys.exit()
-
- # Finally, if the filename was not specified anywhere, use
- # standard input stream
- else:
- stream = sys.stdin
-
- p = etree.XMLParser(huge_tree=True)
- self.document = etree.parse(stream, parser=p)
- self.original_document = copy.deepcopy(self.document)
- stream.close()
-
- # defines view_center in terms of document units
- def getposinlayer(self):
- #defaults
- self.current_layer = self.document.getroot()
- self.view_center = (0.0,0.0)
-
- layerattr = self.document.xpath('//sodipodi:namedview/@inkscape:current-layer', namespaces=NSS)
- if layerattr:
- layername = layerattr[0]
- layer = self.document.xpath('//svg:g[@id="%s"]' % layername, namespaces=NSS)
- if layer:
- self.current_layer = layer[0]
-
- xattr = self.document.xpath('//sodipodi:namedview/@inkscape:cx', namespaces=NSS)
- yattr = self.document.xpath('//sodipodi:namedview/@inkscape:cy', namespaces=NSS)
- if xattr and yattr:
- x = self.unittouu( xattr[0] + 'px' )
- y = self.unittouu( yattr[0] + 'px')
- doc_height = self.unittouu(self.document.getroot().get('height'))
- if x and y:
- self.view_center = (float(x), doc_height - float(y)) # FIXME: y-coordinate flip, eliminate it when it's gone in Inkscape
-
- def getselected(self):
- """Collect selected nodes"""
- for i in self.options.ids:
- path = '//*[@id="%s"]' % i
- for node in self.document.xpath(path, namespaces=NSS):
- self.selected[i] = node
-
- def getElementById(self, id):
- path = '//*[@id="%s"]' % id
- el_list = self.document.xpath(path, namespaces=NSS)
- if el_list:
- return el_list[0]
- else:
- return None
-
- def getParentNode(self, node):
- for parent in self.document.getiterator():
- if node in parent.getchildren():
- return parent
- break
-
-
- def getdocids(self):
- docIdNodes = self.document.xpath('//@id', namespaces=NSS)
- for m in docIdNodes:
- self.doc_ids[m] = 1
-
- def getNamedView(self):
- return self.document.xpath('//sodipodi:namedview', namespaces=NSS)[0]
-
- def createGuide(self, posX, posY, angle):
- atts = {
- 'position': str(posX)+','+str(posY),
- 'orientation': str(sin(radians(angle)))+','+str(-cos(radians(angle)))
- }
- guide = etree.SubElement(
- self.getNamedView(),
- addNS('guide','sodipodi'), atts )
- return guide
-
- def output(self):
- """Serialize document into XML on stdout"""
- original = etree.tostring(self.original_document)
- result = etree.tostring(self.document)
- if original != result:
- self.document.write(sys.stdout)
-
- def affect(self, args=sys.argv[1:], output=True):
- """Affect an SVG document with a callback effect"""
- self.svg_file = args[-1]
- self.getoptions(args)
- self.parse()
- self.getposinlayer()
- self.getselected()
- self.getdocids()
- self.effect()
- if output: self.output()
-
- def uniqueId(self, old_id, make_new_id = True):
- new_id = old_id
- if make_new_id:
- while new_id in self.doc_ids:
- new_id += random.choice('0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ')
- self.doc_ids[new_id] = 1
- return new_id
-
- def xpathSingle(self, path):
- try:
- retval = self.document.xpath(path, namespaces=NSS)[0]
- except:
- errormsg(_("No matching node for expression: %s") % path)
- retval = None
- return retval
-
- #a dictionary of unit to user unit conversion factors
- __uuconv = {'in':96.0, 'pt':1.33333333333, 'px':1.0, 'mm':3.77952755913, 'cm':37.7952755913,
- 'm':3779.52755913, 'km':3779527.55913, 'pc':16.0, 'yd':3456.0 , 'ft':1152.0}
-
- # Function returns the unit used for the values in SVG.
- # For lack of an attribute in SVG that explicitly defines what units are used for SVG coordinates,
- # try to calculate the unit from the SVG width and SVG viewbox.
- # Defaults to 'px' units.
- def getDocumentUnit(self):
- svgunit = 'px' #default to pixels
-
- svgwidth = self.document.getroot().get('width')
- viewboxstr = self.document.getroot().get('viewBox')
- if viewboxstr:
- unitmatch = re.compile('(%s)$' % '|'.join(self.__uuconv.keys()))
- param = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)')
-
- p = param.match(svgwidth)
- u = unitmatch.search(svgwidth)
-
- width = 100 #default
- viewboxwidth = 100 #default
- svgwidthunit = 'px' #default assume 'px' unit
- if p:
- width = float(p.string[p.start():p.end()])
- else:
- errormsg(_("SVG Width not set correctly! Assuming width = 100"))
- if u:
- svgwidthunit = u.string[u.start():u.end()]
-
- viewboxnumbers = []
- for t in viewboxstr.split():
- try:
- viewboxnumbers.append(float(t))
- except ValueError:
- pass
- if len(viewboxnumbers) == 4: #check for correct number of numbers
- viewboxwidth = viewboxnumbers[2]
-
- svgunitfactor = self.__uuconv[svgwidthunit] * width / viewboxwidth
-
- # try to find the svgunitfactor in the list of units known. If we don't find something, ...
- eps = 0.01 #allow 1% error in factor
- for key in self.__uuconv:
- if are_near_relative(self.__uuconv[key], svgunitfactor, eps):
- #found match!
- svgunit = key;
-
- return svgunit
-
-
- def unittouu(self, string):
- '''Returns userunits given a string representation of units in another system'''
- unit = re.compile('(%s)$' % '|'.join(self.__uuconv.keys()))
- param = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)')
-
- p = param.match(string)
- u = unit.search(string)
- if p:
- retval = float(p.string[p.start():p.end()])
- else:
- retval = 0.0
- if u:
- try:
- return retval * (self.__uuconv[u.string[u.start():u.end()]] / self.__uuconv[self.getDocumentUnit()])
- except KeyError:
- pass
- else: # default assume 'px' unit
- return retval / self.__uuconv[self.getDocumentUnit()]
-
- return retval
-
- def uutounit(self, val, unit):
- return val / (self.__uuconv[unit] / self.__uuconv[self.getDocumentUnit()])
-
- def addDocumentUnit(self, value):
- ''' Add document unit when no unit is specified in the string '''
- try:
- float(value)
- return value + self.getDocumentUnit()
- except ValueError:
- return value
-
-# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/support/inkscape/inkscape.py b/support/inkscape/inkscape.py
deleted file mode 100644
index 9fd9528..0000000
--- a/support/inkscape/inkscape.py
+++ /dev/null
@@ -1,136 +0,0 @@
-import os
-import xml.etree.ElementTree as etree
-
-from lib import util
-
-
-def get_inkscape_layers(svg_path):
- document = etree.parse(svg_path)
-
- def iter_layers():
- nodes = document.findall(
- '{http://www.w3.org/2000/svg}g[@{http://www.inkscape.org/namespaces/inkscape}groupmode="layer"]')
-
- for i in nodes:
- inkscape_name = i.get('{http://www.inkscape.org/namespaces/inkscape}label').strip()
-
- if inkscape_name.endswith(']'):
- export_name, args = inkscape_name[:-1].rsplit('[', 1)
-
- export_name = export_name.strip()
- args = args.strip()
-
- use_paths = 'p' in args
- else:
- use_paths = False
- export_name = inkscape_name
-
- yield Layer(inkscape_name, export_name, use_paths)
-
- return list(iter_layers())
-
-
-def _inkscape(svg_path, verbs):
- def iter_args():
- yield os.environ['INKSCAPE']
-
- for i in verbs:
- yield '--verb'
- yield i
-
- yield svg_path
-
- util.command(list(iter_args()))
-
-
-class Layer(object):
- def __init__(self, inkscape_name, export_name, use_paths):
- self.inkscape_name = inkscape_name
- self.export_name = export_name
- self.use_paths = use_paths
-
-
-class InkscapeCommandLine(object):
- def __init__(self, path):
- self._path = path
- self._layers = get_inkscape_layers(path)
- self._current_layer_index = None
- self._verbs = []
-
- def apply_to_document(self, *verb):
- self._verbs.extend(verb)
-
- def apply_to_layer(self, layer, *verb):
- self._go_to_layer(layer)
- self.apply_to_document(*verb)
-
- def select_all_in_layer(self, layer):
- self.apply_to_layer(layer, 'EditSelectAll')
-
- def apply_to_layer_content(self, layer, *verbs):
- self.select_all_in_layer(layer)
- self.apply_to_document(*verbs)
-
- def _go_to_layer(self, layer, with_selection=False):
- if self._current_layer_index is None:
- # Initialize to a known state. We cannot assume that any layer is
- # selected and thus we need as many LayerPrev as we have layers.
- self._current_layer_index = len(self._layers)
- self._go_to_layer(self._layers[0])
-
- target_index = self._layers.index(layer)
-
- if with_selection:
- next_command = 'LayerMoveToNext'
- previous_command = 'LayerMoveToPrev'
- else:
- next_command = 'LayerNext'
- previous_command = 'LayerPrev'
-
- while self._current_layer_index != target_index:
- if self._current_layer_index < target_index:
- self.apply_to_document(next_command)
- self._current_layer_index += 1
- else:
- self.apply_to_document(previous_command)
- self._current_layer_index -= 1
-
- if with_selection:
- # When using LayerMoveToNext and LayerMoveToPrev, inkscape does
- # not reliably select the next/previous layer.
- self._current_layer_index = None
-
- def duplicate_layer(self, layer):
- self.apply_to_layer(layer, 'LayerDuplicate')
-
- # Inkscape 0.91 places a duplicated layer above (after) the selected
- # one and selects the new layer.
- new_layer = Layer(layer.inkscape_name + ' copy', layer.export_name, layer.use_paths)
- self._layers.insert(self._current_layer_index + 1, new_layer)
-
- # Whether the original or the new layer is selected after the operation
- # fluctuates between Inkscape versions.
- self._current_layer_index = None
-
- return new_layer
-
- def delete_layer(self, layer):
- self.apply_to_layer(layer, 'LayerDelete')
-
- # Inkscape 0.91 selects the layer above (after) the deleted layer.
- del self._layers[self._current_layer_index]
-
- def clear_layer(self, layer):
- self.select_all_in_layer(layer)
- self.apply_to_document('EditDelete')
-
- def move_content(self, source_layer, target_layer):
- self.select_all_in_layer(source_layer)
- self._go_to_layer(target_layer, True)
-
- def run(self):
- _inkscape(self._path, self._verbs)
-
- @property
- def layers(self):
- return list(self._layers)
diff --git a/support/inkscape/simplepath.py b/support/inkscape/simplepath.py
deleted file mode 100755
index 94ab092..0000000
--- a/support/inkscape/simplepath.py
+++ /dev/null
@@ -1,212 +0,0 @@
-#!/usr/bin/env python
-"""
-simplepath.py
-functions for digesting paths into a simple list structure
-
-Copyright (C) 2005 Aaron Spike, aaron@ekips.org
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-
-"""
-import re, math
-
-def lexPath(d):
- """
- returns and iterator that breaks path data
- identifies command and parameter tokens
- """
- offset = 0
- length = len(d)
- delim = re.compile(r'[ \t\r\n,]+')
- command = re.compile(r'[MLHVCSQTAZmlhvcsqtaz]')
- parameter = re.compile(r'(([-+]?[0-9]+(\.[0-9]*)?|[-+]?\.[0-9]+)([eE][-+]?[0-9]+)?)')
- while 1:
- m = delim.match(d, offset)
- if m:
- offset = m.end()
- if offset >= length:
- break
- m = command.match(d, offset)
- if m:
- yield [d[offset:m.end()], True]
- offset = m.end()
- continue
- m = parameter.match(d, offset)
- if m:
- yield [d[offset:m.end()], False]
- offset = m.end()
- continue
- #TODO: create new exception
- raise Exception, 'Invalid path data!'
-'''
-pathdefs = {commandfamily:
- [
- implicitnext,
- #params,
- [casts,cast,cast],
- [coord type,x,y,0]
- ]}
-'''
-pathdefs = {
- 'M':['L', 2, [float, float], ['x','y']],
- 'L':['L', 2, [float, float], ['x','y']],
- 'H':['H', 1, [float], ['x']],
- 'V':['V', 1, [float], ['y']],
- 'C':['C', 6, [float, float, float, float, float, float], ['x','y','x','y','x','y']],
- 'S':['S', 4, [float, float, float, float], ['x','y','x','y']],
- 'Q':['Q', 4, [float, float, float, float], ['x','y','x','y']],
- 'T':['T', 2, [float, float], ['x','y']],
- 'A':['A', 7, [float, float, float, int, int, float, float], ['r','r','a',0,'s','x','y']],
- 'Z':['L', 0, [], []]
- }
-def parsePath(d):
- """
- Parse SVG path and return an array of segments.
- Removes all shorthand notation.
- Converts coordinates to absolute.
- """
- retval = []
- lexer = lexPath(d)
-
- pen = (0.0,0.0)
- subPathStart = pen
- lastControl = pen
- lastCommand = ''
-
- while 1:
- try:
- token, isCommand = lexer.next()
- except StopIteration:
- break
- params = []
- needParam = True
- if isCommand:
- if not lastCommand and token.upper() != 'M':
- raise Exception, 'Invalid path, must begin with moveto.'
- else:
- command = token
- else:
- #command was omited
- #use last command's implicit next command
- needParam = False
- if lastCommand:
- if lastCommand.isupper():
- command = pathdefs[lastCommand][0]
- else:
- command = pathdefs[lastCommand.upper()][0].lower()
- else:
- raise Exception, 'Invalid path, no initial command.'
- numParams = pathdefs[command.upper()][1]
- while numParams > 0:
- if needParam:
- try:
- token, isCommand = lexer.next()
- if isCommand:
- raise Exception, 'Invalid number of parameters'
- except StopIteration:
- raise Exception, 'Unexpected end of path'
- cast = pathdefs[command.upper()][2][-numParams]
- param = cast(token)
- if command.islower():
- if pathdefs[command.upper()][3][-numParams]=='x':
- param += pen[0]
- elif pathdefs[command.upper()][3][-numParams]=='y':
- param += pen[1]
- params.append(param)
- needParam = True
- numParams -= 1
- #segment is now absolute so
- outputCommand = command.upper()
-
- #Flesh out shortcut notation
- if outputCommand in ('H','V'):
- if outputCommand == 'H':
- params.append(pen[1])
- if outputCommand == 'V':
- params.insert(0,pen[0])
- outputCommand = 'L'
- if outputCommand in ('S','T'):
- params.insert(0,pen[1]+(pen[1]-lastControl[1]))
- params.insert(0,pen[0]+(pen[0]-lastControl[0]))
- if outputCommand == 'S':
- outputCommand = 'C'
- if outputCommand == 'T':
- outputCommand = 'Q'
-
- #current values become "last" values
- if outputCommand == 'M':
- subPathStart = tuple(params[0:2])
- pen = subPathStart
- if outputCommand == 'Z':
- pen = subPathStart
- else:
- pen = tuple(params[-2:])
-
- if outputCommand in ('Q','C'):
- lastControl = tuple(params[-4:-2])
- else:
- lastControl = pen
- lastCommand = command
-
- retval.append([outputCommand,params])
- return retval
-
-def formatPath(a):
- """Format SVG path data from an array"""
- return "".join([cmd + " ".join([str(p) for p in params]) for cmd, params in a])
-
-def translatePath(p, x, y):
- for cmd,params in p:
- defs = pathdefs[cmd]
- for i in range(defs[1]):
- if defs[3][i] == 'x':
- params[i] += x
- elif defs[3][i] == 'y':
- params[i] += y
-
-def scalePath(p, x, y):
- for cmd,params in p:
- defs = pathdefs[cmd]
- for i in range(defs[1]):
- if defs[3][i] == 'x':
- params[i] *= x
- elif defs[3][i] == 'y':
- params[i] *= y
- elif defs[3][i] == 'r': # radius parameter
- params[i] *= x
- elif defs[3][i] == 's': # sweep-flag parameter
- if x*y < 0:
- params[i] = 1 - params[i]
- elif defs[3][i] == 'a': # x-axis-rotation angle
- if y < 0:
- params[i] = - params[i]
-
-def rotatePath(p, a, cx = 0, cy = 0):
- if a == 0:
- return p
- for cmd,params in p:
- defs = pathdefs[cmd]
- for i in range(defs[1]):
- if defs[3][i] == 'x':
- x = params[i] - cx
- y = params[i + 1] - cy
- r = math.sqrt((x**2) + (y**2))
- if r != 0:
- theta = math.atan2(y, x) + a
- params[i] = (r * math.cos(theta)) + cx
- params[i + 1] = (r * math.sin(theta)) + cy
-
-
-# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/support/inkscape/simpletransform.py b/support/inkscape/simpletransform.py
deleted file mode 100755
index 55082ed..0000000
--- a/support/inkscape/simpletransform.py
+++ /dev/null
@@ -1,241 +0,0 @@
-#!/usr/bin/env python
-'''
-Copyright (C) 2006 Jean-Francois Barraud, barraud@math.univ-lille1.fr
-Copyright (C) 2010 Alvin Penner, penner@vaxxine.com
-
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-barraud@math.univ-lille1.fr
-
-This code defines several functions to make handling of transform
-attribute easier.
-'''
-import inkex, cubicsuperpath
-import math, re
-
-def parseTransform(transf,mat=[[1.0, 0.0, 0.0], [0.0, 1.0, 0.0]]):
- if transf=="" or transf==None:
- return(mat)
- stransf = transf.strip()
- result=re.match("(translate|scale|rotate|skewX|skewY|matrix)\s*\(([^)]*)\)\s*,?",stransf)
-#-- translate --
- if result.group(1)=="translate":
- args=result.group(2).replace(',',' ').split()
- dx=float(args[0])
- if len(args)==1:
- dy=0.0
- else:
- dy=float(args[1])
- matrix=[[1,0,dx],[0,1,dy]]
-#-- scale --
- if result.group(1)=="scale":
- args=result.group(2).replace(',',' ').split()
- sx=float(args[0])
- if len(args)==1:
- sy=sx
- else:
- sy=float(args[1])
- matrix=[[sx,0,0],[0,sy,0]]
-#-- rotate --
- if result.group(1)=="rotate":
- args=result.group(2).replace(',',' ').split()
- a=float(args[0])*math.pi/180
- if len(args)==1:
- cx,cy=(0.0,0.0)
- else:
- cx,cy=map(float,args[1:])
- matrix=[[math.cos(a),-math.sin(a),cx],[math.sin(a),math.cos(a),cy]]
- matrix=composeTransform(matrix,[[1,0,-cx],[0,1,-cy]])
-#-- skewX --
- if result.group(1)=="skewX":
- a=float(result.group(2))*math.pi/180
- matrix=[[1,math.tan(a),0],[0,1,0]]
-#-- skewY --
- if result.group(1)=="skewY":
- a=float(result.group(2))*math.pi/180
- matrix=[[1,0,0],[math.tan(a),1,0]]
-#-- matrix --
- if result.group(1)=="matrix":
- a11,a21,a12,a22,v1,v2=result.group(2).replace(',',' ').split()
- matrix=[[float(a11),float(a12),float(v1)], [float(a21),float(a22),float(v2)]]
-
- matrix=composeTransform(mat,matrix)
- if result.end() < len(stransf):
- return(parseTransform(stransf[result.end():], matrix))
- else:
- return matrix
-
-def formatTransform(mat):
- return ("matrix(%f,%f,%f,%f,%f,%f)" % (mat[0][0], mat[1][0], mat[0][1], mat[1][1], mat[0][2], mat[1][2]))
-
-def composeTransform(M1,M2):
- a11 = M1[0][0]*M2[0][0] + M1[0][1]*M2[1][0]
- a12 = M1[0][0]*M2[0][1] + M1[0][1]*M2[1][1]
- a21 = M1[1][0]*M2[0][0] + M1[1][1]*M2[1][0]
- a22 = M1[1][0]*M2[0][1] + M1[1][1]*M2[1][1]
-
- v1 = M1[0][0]*M2[0][2] + M1[0][1]*M2[1][2] + M1[0][2]
- v2 = M1[1][0]*M2[0][2] + M1[1][1]*M2[1][2] + M1[1][2]
- return [[a11,a12,v1],[a21,a22,v2]]
-
-def composeParents(node, mat):
- trans = node.get('transform')
- if trans:
- mat = composeTransform(parseTransform(trans), mat)
- if node.getparent().tag == inkex.addNS('g','svg'):
- mat = composeParents(node.getparent(), mat)
- return mat
-
-def applyTransformToNode(mat,node):
- m=parseTransform(node.get("transform"))
- newtransf=formatTransform(composeTransform(mat,m))
- node.set("transform", newtransf)
-
-def applyTransformToPoint(mat,pt):
- x = mat[0][0]*pt[0] + mat[0][1]*pt[1] + mat[0][2]
- y = mat[1][0]*pt[0] + mat[1][1]*pt[1] + mat[1][2]
- pt[0]=x
- pt[1]=y
-
-def applyTransformToPath(mat,path):
- for comp in path:
- for ctl in comp:
- for pt in ctl:
- applyTransformToPoint(mat,pt)
-
-def fuseTransform(node):
- if node.get('d')==None:
- #FIXME: how do you raise errors?
- raise AssertionError, 'can not fuse "transform" of elements that have no "d" attribute'
- t = node.get("transform")
- if t == None:
- return
- m = parseTransform(t)
- d = node.get('d')
- p = cubicsuperpath.parsePath(d)
- applyTransformToPath(m,p)
- node.set('d', cubicsuperpath.formatPath(p))
- del node.attrib["transform"]
-
-####################################################################
-##-- Some functions to compute a rough bbox of a given list of objects.
-##-- this should be shipped out in an separate file...
-
-def boxunion(b1,b2):
- if b1 is None:
- return b2
- elif b2 is None:
- return b1
- else:
- return((min(b1[0],b2[0]), max(b1[1],b2[1]), min(b1[2],b2[2]), max(b1[3],b2[3])))
-
-def roughBBox(path):
- xmin,xMax,ymin,yMax = path[0][0][0][0],path[0][0][0][0],path[0][0][0][1],path[0][0][0][1]
- for pathcomp in path:
- for ctl in pathcomp:
- for pt in ctl:
- xmin = min(xmin,pt[0])
- xMax = max(xMax,pt[0])
- ymin = min(ymin,pt[1])
- yMax = max(yMax,pt[1])
- return xmin,xMax,ymin,yMax
-
-def refinedBBox(path):
- xmin,xMax,ymin,yMax = path[0][0][1][0],path[0][0][1][0],path[0][0][1][1],path[0][0][1][1]
- for pathcomp in path:
- for i in range(1, len(pathcomp)):
- cmin, cmax = cubicExtrema(pathcomp[i-1][1][0], pathcomp[i-1][2][0], pathcomp[i][0][0], pathcomp[i][1][0])
- xmin = min(xmin, cmin)
- xMax = max(xMax, cmax)
- cmin, cmax = cubicExtrema(pathcomp[i-1][1][1], pathcomp[i-1][2][1], pathcomp[i][0][1], pathcomp[i][1][1])
- ymin = min(ymin, cmin)
- yMax = max(yMax, cmax)
- return xmin,xMax,ymin,yMax
-
-def cubicExtrema(y0, y1, y2, y3):
- cmin = min(y0, y3)
- cmax = max(y0, y3)
- d1 = y1 - y0
- d2 = y2 - y1
- d3 = y3 - y2
- if (d1 - 2*d2 + d3):
- if (d2*d2 > d1*d3):
- t = (d1 - d2 + math.sqrt(d2*d2 - d1*d3))/(d1 - 2*d2 + d3)
- if (t > 0) and (t < 1):
- y = y0*(1-t)*(1-t)*(1-t) + 3*y1*t*(1-t)*(1-t) + 3*y2*t*t*(1-t) + y3*t*t*t
- cmin = min(cmin, y)
- cmax = max(cmax, y)
- t = (d1 - d2 - math.sqrt(d2*d2 - d1*d3))/(d1 - 2*d2 + d3)
- if (t > 0) and (t < 1):
- y = y0*(1-t)*(1-t)*(1-t) + 3*y1*t*(1-t)*(1-t) + 3*y2*t*t*(1-t) + y3*t*t*t
- cmin = min(cmin, y)
- cmax = max(cmax, y)
- elif (d3 - d1):
- t = -d1/(d3 - d1)
- if (t > 0) and (t < 1):
- y = y0*(1-t)*(1-t)*(1-t) + 3*y1*t*(1-t)*(1-t) + 3*y2*t*t*(1-t) + y3*t*t*t
- cmin = min(cmin, y)
- cmax = max(cmax, y)
- return cmin, cmax
-
-def computeBBox(aList,mat=[[1,0,0],[0,1,0]]):
- bbox=None
- for node in aList:
- m = parseTransform(node.get('transform'))
- m = composeTransform(mat,m)
- #TODO: text not supported!
- d = None
- if node.get("d"):
- d = node.get('d')
- elif node.get('points'):
- d = 'M' + node.get('points')
- elif node.tag in [ inkex.addNS('rect','svg'), 'rect', inkex.addNS('image','svg'), 'image' ]:
- d = 'M' + node.get('x', '0') + ',' + node.get('y', '0') + \
- 'h' + node.get('width') + 'v' + node.get('height') + \
- 'h-' + node.get('width')
- elif node.tag in [ inkex.addNS('line','svg'), 'line' ]:
- d = 'M' + node.get('x1') + ',' + node.get('y1') + \
- ' ' + node.get('x2') + ',' + node.get('y2')
- elif node.tag in [ inkex.addNS('circle','svg'), 'circle', \
- inkex.addNS('ellipse','svg'), 'ellipse' ]:
- rx = node.get('r')
- if rx is not None:
- ry = rx
- else:
- rx = node.get('rx')
- ry = node.get('ry')
- cx = float(node.get('cx', '0'))
- cy = float(node.get('cy', '0'))
- x1 = cx - float(rx)
- x2 = cx + float(rx)
- d = 'M %f %f ' % (x1, cy) + \
- 'A' + rx + ',' + ry + ' 0 1 0 %f,%f' % (x2, cy) + \
- 'A' + rx + ',' + ry + ' 0 1 0 %f,%f' % (x1, cy)
-
- if d is not None:
- p = cubicsuperpath.parsePath(d)
- applyTransformToPath(m,p)
- bbox=boxunion(refinedBBox(p),bbox)
-
- elif node.tag == inkex.addNS('use','svg') or node.tag=='use':
- refid=node.get(inkex.addNS('href','xlink'))
- path = '//*[@id="%s"]' % refid[1:]
- refnode = node.xpath(path)
- bbox=boxunion(computeBBox(refnode,m),bbox)
-
- bbox=boxunion(computeBBox(node,m),bbox)
- return bbox
-
-
-# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
--
cgit