From b9e6eeba2c29a1ff7afd31eca3d92b763529d81a Mon Sep 17 00:00:00 2001 From: Mario Voigt Date: Mon, 5 Jul 2021 18:32:07 +0200 Subject: [PATCH] added tabgen --- .../j_tech_photonics_laser_tool.inx | 37 +- .../fablabchemnitz/tabgen/.gitattributes | 2 + extensions/fablabchemnitz/tabgen/tabgen.inx | 42 ++ extensions/fablabchemnitz/tabgen/tabgen.py | 638 ++++++++++++++++++ 4 files changed, 700 insertions(+), 19 deletions(-) create mode 100644 extensions/fablabchemnitz/tabgen/.gitattributes create mode 100644 extensions/fablabchemnitz/tabgen/tabgen.inx create mode 100644 extensions/fablabchemnitz/tabgen/tabgen.py diff --git a/extensions/fablabchemnitz/j_tech_photonics_laser_tool/j_tech_photonics_laser_tool.inx b/extensions/fablabchemnitz/j_tech_photonics_laser_tool/j_tech_photonics_laser_tool.inx index bb794a0c..d2494e2a 100644 --- a/extensions/fablabchemnitz/j_tech_photonics_laser_tool/j_tech_photonics_laser_tool.inx +++ b/extensions/fablabchemnitz/j_tech_photonics_laser_tool/j_tech_photonics_laser_tool.inx @@ -10,37 +10,37 @@ 3000 750 - + 1 1 - + -- Choose Output Directory -- output.gcode - true + true M3 S255; M5; 0 - - true + + true 0.5 1.0 - - 0.01 + + 0.01 - + - - false + + false 0 - - false - - true - true + + false + + true + true @@ -48,10 +48,10 @@ - false + false 200 200 - + 0 0 1 @@ -68,5 +68,4 @@ - - + \ No newline at end of file diff --git a/extensions/fablabchemnitz/tabgen/.gitattributes b/extensions/fablabchemnitz/tabgen/.gitattributes new file mode 100644 index 00000000..dfe07704 --- /dev/null +++ b/extensions/fablabchemnitz/tabgen/.gitattributes @@ -0,0 +1,2 @@ +# Auto detect text files and perform LF normalization +* text=auto diff --git a/extensions/fablabchemnitz/tabgen/tabgen.inx b/extensions/fablabchemnitz/tabgen/tabgen.inx new file mode 100644 index 00000000..80f5b04d --- /dev/null +++ b/extensions/fablabchemnitz/tabgen/tabgen.inx @@ -0,0 +1,42 @@ + + + Tabgen + fablabchemnitz.de.tabgen + + + 45.0 + 0.4 + 0.1 + + + + + + + + + + + + + + + + + true + false + + + + + + + all + + + + + + \ No newline at end of file diff --git a/extensions/fablabchemnitz/tabgen/tabgen.py b/extensions/fablabchemnitz/tabgen/tabgen.py new file mode 100644 index 00000000..4816d797 --- /dev/null +++ b/extensions/fablabchemnitz/tabgen/tabgen.py @@ -0,0 +1,638 @@ +#!/usr/bin/env python3 +# +# Copyright (C) [2021] [Joseph Zakar], [observing@gmail.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. +# +""" +Given a closed path of straight lines, this program generates a paper model containing +tabs and score lines for each straight edge. +""" + +import inkex +from inkex import Path +from lxml import etree +import math +import copy +import inspect + +class pathStruct(object): + + def __init__(self): + self.id="path0000" + self.path=[] + self.enclosed=False + + def __str__(self): + return self.path + +class pnPoint(object): + + # This class came from https://github.com/JoJocoder/PNPOLY + def __init__(self,p): + self.p=p + + def __str__(self): + return self.p + + def InPolygon(self,polygon,BoundCheck=False): + inside=False + if BoundCheck: + minX=polygon[0][0] + maxX=polygon[0][0] + minY=polygon[0][1] + maxY=polygon[0][1] + for p in polygon: + minX=min(p[0],minX) + maxX=max(p[0],maxX) + minY=min(p[1],minY) + maxY=max(p[1],maxY) + if self.p[0]maxX or self.p[1]maxY: + return False + j=len(polygon)-1 + for i in range(len(polygon)): + if ((polygon[i][1]>self.p[1])!=(polygon[j][1]>self.p[1]) and (self.p[0]<(polygon[j][0]-polygon[i][0])*(self.p[1]-polygon[i][1])/( polygon[j][1] - polygon[i][1] ) + polygon[i][0])): + inside =not inside + j=i + return inside + +class Tabgen(inkex.EffectExtension): + + def add_arguments(self, pars): + pars.add_argument("--usermenu") + pars.add_argument("--tabangle", type=float, default=45.0, help="Angle of tab edges in degrees") + pars.add_argument("--tabheight", type=float, default=0.4, help="Height of tab in dimensional units") + pars.add_argument("--dashlength", type=float, default=0.25, help="Length of dashline in dimentional units (zero for solid line)") + pars.add_argument("--tabsets", default="both", help="Tab placement on polygons with cutouts") + pars.add_argument("--unit", default="in", help="Dimensional units of selected paths") + pars.add_argument("--print_debug", type=inkex.Boolean, default=True, help="Print debug info") + pars.add_argument("--keep_original", type=inkex.Boolean, default=False, help="Keep original elements") + + #draw SVG line segment(s) between the given (raw) points + def drawline(self, dstr, name, parent, sstr=None): + line_style = {'stroke':'#000000','stroke-width':'1','fill':'none'} + if sstr == None: + stylestr = str(inkex.Style(line_style)) + else: + stylestr = sstr + el = parent.add(inkex.PathElement()) + el.path = dstr + el.style = sstr + el.label = name + + def pathInsidePath(self, path, testpath): + enclosed = True + for tp in testpath: + # If any point in the testpath is outside the path, it's not enclosed + if self.insidePath(path, tp) == False: + enclosed = False + return enclosed # True if testpath is fully enclosed in path + return enclosed + + def insidePath(self, path, p): + point = pnPoint((p.x, p.y)) + pverts = [] + for pnum in path: + pverts.append((pnum.x, pnum.y)) + isInside = point.InPolygon(pverts, True) + return isInside # True if point p is inside path + + def makescore(self, pt1, pt2, dashlength): + # Draws a dashed line of dashlength between two points + # Dash = dashlength (in inches) space followed by dashlength mark + # if dashlength is zero, we want a solid line + apt1 = inkex.paths.Line(0.0,0.0) + apt2 = inkex.paths.Line(0.0,0.0) + ddash = '' + if math.isclose(dashlength, 0.0): + #inkex.utils.debug("Draw solid dashline") + ddash = ' M '+str(pt1.x)+','+str(pt1.y)+' L '+str(pt2.x)+','+str(pt2.y) + else: + if math.isclose(pt1.y, pt2.y): + #inkex.utils.debug("Draw horizontal dashline") + if pt1.x < pt2.x: + xcushion = pt2.x - dashlength + xpt = pt1.x + ypt = pt1.y + else: + xcushion = pt1.x - dashlength + xpt = pt2.x + ypt = pt2.y + ddash = '' + done = False + while not(done): + if (xpt + dashlength*2) <= xcushion: + xpt = xpt + dashlength + ddash = ddash + ' M ' + str(xpt) + ',' + str(ypt) + xpt = xpt + dashlength + ddash = ddash + ' L ' + str(xpt) + ',' + str(ypt) + else: + done = True + elif math.isclose(pt1.x, pt2.x): + #inkex.utils.debug("Draw vertical dashline") + if pt1.y < pt2.y: + ycushion = pt2.y - dashlength + xpt = pt1.x + ypt = pt1.y + else: + ycushion = pt1.y - dashlength + xpt = pt2.x + ypt = pt2.y + ddash = '' + done = False + while not(done): + if(ypt + dashlength*2) <= ycushion: + ypt = ypt + dashlength + ddash = ddash + ' M ' + str(xpt) + ',' + str(ypt) + ypt = ypt + dashlength + ddash = ddash + ' L ' + str(xpt) + ',' + str(ypt) + else: + done = True + else: + #inkex.utils.debug("Draw sloping dashline") + if pt1.y > pt2.y: + apt1.x = pt1.x + apt1.y = pt1.y + apt2.x = pt2.x + apt2.y = pt2.y + else: + apt1.x = pt2.x + apt1.y = pt2.y + apt2.x = pt1.x + apt2.y = pt1.y + m = (apt1.y-apt2.y)/(apt1.x-apt2.x) + theta = math.atan(m) + msign = (m>0) - (m<0) + ycushion = apt2.y + dashlength*math.sin(theta) + xcushion = apt2.x + msign*dashlength*math.cos(theta) + ddash = '' + xpt = apt1.x + ypt = apt1.y + done = False + while not(done): + nypt = ypt - dashlength*2*math.sin(theta) + nxpt = xpt - msign*dashlength*2*math.cos(theta) + if (nypt >= ycushion) and (((m<0) and (nxpt <= xcushion)) or ((m>0) and (nxpt >= xcushion))): + # move to end of space / beginning of mark + xpt = xpt - msign*dashlength*math.cos(theta) + ypt = ypt - msign*dashlength*math.sin(theta) + ddash = ddash + ' M ' + str(xpt) + ',' + str(ypt) + # draw the mark + xpt = xpt - msign*dashlength*math.cos(theta) + ypt = ypt - msign*dashlength*math.sin(theta) + ddash = ddash + ' L ' + str(xpt) + ',' + str(ypt) + else: + done = True + return ddash + + def detectIntersect(self, x1, y1, x2, y2, x3, y3, x4, y4): + td = (x1-x2)*(y3-y4)-(y1-y2)*(x3-x4) + if td == 0: + # These line segments are parallel + return False + t = ((x1-x3)*(y3-y4)-(y1-y3)*(x3-x4))/td + if (0.0 <= t) and (t <= 1.0): + return True + else: + return False + + def makeTab(self, tpath, pt1, pt2, tabht, taba): + # tpath - the pathstructure containing pt1 and pt2 + # pt1, pt2 - the two points where the tab will be inserted + # tabht - the height of the tab + # taba - the angle of the tab sides + # returns the two tab points in order of closest to pt1 + tpt1 = inkex.paths.Line(0.0,0.0) + tpt2 = inkex.paths.Line(0.0,0.0) + currTabHt = tabht + currTabAngle = taba + testAngle = 1.0 + testHt = currTabHt * 0.01 + adjustTab = 0 + tabDone = False + while not tabDone: + # Let's find out the orientation of the tab + if math.isclose(pt1.x, pt2.x): + # It's vertical. Let's try the right side + if pt1.y < pt2.y: + tpt1.x = pt1.x + testHt + tpt2.x = pt2.x + testHt + tpt1.y = pt1.y + testHt/math.tan(math.radians(testAngle)) + tpt2.y = pt2.y - testHt/math.tan(math.radians(testAngle)) + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.x = pt1.x - currTabHt + tpt2.x = pt2.x - currTabHt + else: + tpt1.x = pt1.x + currTabHt + tpt2.x = pt2.x + currTabHt + tpt1.y = pt1.y + currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.y = pt2.y - currTabHt/math.tan(math.radians(currTabAngle)) + else: # pt2.y < pt1.y + tpt1.x = pt1.x + testHt + tpt2.x = pt2.x + testHt + tpt1.y = pt1.y - testHt/math.tan(math.radians(testAngle)) + tpt2.y = pt2.y + testHt/math.tan(math.radians(testAngle)) + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.x = pt1.x - currTabHt + tpt2.x = pt2.x - currTabHt + else: + tpt1.x = pt1.x + currTabHt + tpt2.x = pt2.x + currTabHt + tpt1.y = pt1.y - currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.y = pt2.y + currTabHt/math.tan(math.radians(currTabAngle)) + elif math.isclose(pt1.y, pt2.y): + # It's horizontal. Let's try the top + if pt1.x < pt2.x: + tpt1.y = pt1.y - testHt + tpt2.y = pt2.y - testHt + tpt1.x = pt1.x + testHt/math.tan(math.radians(testAngle)) + tpt2.x = pt2.x - testHt/math.tan(math.radians(testAngle)) + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.y = pt1.y + currTabHt + tpt2.y = pt2.y + currTabHt + else: + tpt1.y = pt1.y - currTabHt + tpt2.y = pt2.y - currTabHt + tpt1.x = pt1.x + currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.x = pt2.x - currTabHt/math.tan(math.radians(currTabAngle)) + else: # pt2.x < pt1.x + tpt1.y = pt1.y - testHt + tpt2.y = pt2.y - testHt + tpt1.x = pt1.x - testHt/math.tan(math.radians(testAngle)) + tpt2.x = pt2.x + testHt/math.tan(math.radians(testAngle)) + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.y = pt1.y + currTabHt + tpt2.y = pt2.y + currTabHt + else: + tpt1.y = pt1.y - currTabHt + tpt2.y = pt2.y - currTabHt + tpt1.x = pt1.x - currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.x = pt2.x + currTabHt/math.tan(math.radians(currTabAngle)) + + else: # the orientation is neither horizontal nor vertical + # Let's get the slope of the line between the points + # Because Inkscape's origin is in the upper-left corner, + # a positive slope (/) will yield a negative value + slope = (pt2.y - pt1.y)/(pt2.x - pt1.x) + # Let's get the angle to the horizontal + theta = math.degrees(math.atan(slope)) + # Let's construct a horizontal tab + seglength = math.sqrt((pt1.x-pt2.x)**2 +(pt1.y-pt2.y)**2) + if slope < 0.0: + if pt1.x < pt2.x: + tpt1.y = pt1.y - testHt + tpt2.y = pt2.y - testHt + tpt1.x = pt1.x + testHt/math.tan(math.radians(testAngle)) + tpt2.x = pt2.x - testHt/math.tan(math.radians(testAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.y = pt1.y + currTabHt + tpt2.y = pt2.y + currTabHt + else: + tpt1.y = pt1.y - currTabHt + tpt2.y = pt2.y - currTabHt + tpt1.x = pt1.x + currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.x = pt2.x - currTabHt/math.tan(math.radians(currTabAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + else: # pt1.x > pt2.x + tpt1.y = pt1.y - testHt + tpt2.y = pt2.y - testHt + tpt1.x = pt1.x - testHt/math.tan(math.radians(testAngle)) + tpt2.x = pt2.x + testHt/math.tan(math.radians(testAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.y = pt1.y + currTabHt + tpt2.y = pt2.y + currTabHt + else: + tpt1.y = pt1.y - currTabHt + tpt2.y = pt2.y - currTabHt + tpt1.x = pt1.x - currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.x = pt2.x + currTabHt/math.tan(math.radians(currTabAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + else: # slope > 0.0 + if pt1.x < pt2.x: + tpt1.y = pt1.y - testHt + tpt2.y = pt2.y - testHt + tpt1.x = pt1.x + testHt/math.tan(math.radians(testAngle)) + tpt2.x = pt2.x - testHt/math.tan(math.radians(testAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.y = pt1.y + currTabHt + tpt2.y = pt2.y + currTabHt + else: + tpt1.y = pt1.y - currTabHt + tpt2.y = pt2.y - currTabHt + tpt1.x = pt1.x + currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.x = pt2.x - currTabHt/math.tan(math.radians(currTabAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + else: # pt1.x > pt2.x + tpt1.y = pt1.y - testHt + tpt2.y = pt2.y - testHt + tpt1.x = pt1.x - testHt/math.tan(math.radians(testAngle)) + tpt2.x = pt2.x + testHt/math.tan(math.radians(testAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + pnpt1 = inkex.paths.Move(tpt1.x, tpt1.y) + pnpt2 = inkex.paths.Move(tpt2.x, tpt2.y) + if ((not tpath.enclosed) and (self.insidePath(tpath.path, pnpt1) or self.insidePath(tpath.path, pnpt2))) or \ + (tpath.enclosed and ((not self.insidePath(tpath.path, pnpt1)) and (not self.insidePath(tpath.path, pnpt2)))): + tpt1.y = pt1.y + currTabHt + tpt2.y = pt2.y + currTabHt + else: + tpt1.y = pt1.y - currTabHt + tpt2.y = pt2.y - currTabHt + tpt1.x = pt1.x - currTabHt/math.tan(math.radians(currTabAngle)) + tpt2.x = pt2.x + currTabHt/math.tan(math.radians(currTabAngle)) + tl1 = [('M', [pt1.x,pt1.y])] + tl1 += [('L', [tpt1.x, tpt1.y])] + ele1 = inkex.Path(tl1) + tl2 = [('M', [pt1.x,pt1.y])] + tl2 += [('L', [tpt2.x, tpt2.y])] + ele2 = inkex.Path(tl2) + thetal1 = ele1.rotate(theta, [pt1.x,pt1.y]) + thetal2 = ele2.rotate(theta, [pt2.x,pt2.y]) + tpt1.x = thetal1[1].x + tpt1.y = thetal1[1].y + tpt2.x = thetal2[1].x + tpt2.y = thetal2[1].y + # Check to see if any tabs intersect each other + if self.detectIntersect(pt1.x, pt1.y, tpt1.x, tpt1.y, pt2.x, pt2.y, tpt2.x, tpt2.y): + # Found an intersection. + if adjustTab == 0: + # Try increasing the tab angle in one-degree increments + currTabAngle = currTabAngle + 1.0 + if currTabAngle > 88.0: # We're not increasing the tab angle above 89 degrees + adjustTab = 1 + currTabAngle = taba + if adjustTab == 1: + # So, try reducing the tab height in 20% increments instead + currTabHt = currTabHt - tabht*0.2 # Could this lead to a zero tab_height? + if currTabHt <= 0.0: + # Give up + currTabHt = tabht + adjustTab = 2 + if adjustTab == 2: + tabDone = True # Just show the failure + else: + tabDone = True + + return tpt1,tpt2 + + + def effect(self): + scale = self.svg.unittouu('1'+self.options.unit) + layer = self.svg.get_current_layer() + tab_angle = float(self.options.tabangle) + tab_height = float(self.options.tabheight) * scale + dashlength = float(self.options.dashlength) * scale + tabsets = self.options.tabsets + npaths = [] + savid = '' + elems = [] + pc = 0 + for selem in self.svg.selection.filter(inkex.PathElement): + elems.append(selem) + if len(elems) == 0: + raise inkex.AbortExtension("Nothing selected") + for elem in elems: + npaths.clear() + escale = 1.0 + #inkex.utils.debug(elem.attrib) + if 'transform' in elem.attrib: + transforms = elem.attrib['transform'].split() + for tf in transforms: + if tf.startswith('scale'): + escale = float(tf.split('(')[1].split(')')[0]) + last_letter = 'Z' + savid = elem.get_id() + idmod = 0 + elementPath = Path(elem.path.to_absolute().transform(elem.getparent().composed_transform())) + + for ptoken in elementPath: # For each point in the path + ptx2 = None + pty2 = None + if ptoken.letter == 'M': # Starting point + # Hold this point in case we receive a Z + ptx1 = mx = ptoken.x * escale + pty1 = my = ptoken.y * escale + ''' + Assign a structure to the new path. We assume that there is + only one path and, therefore, it isn't enclosed by a + sub-path. However, we'll suffix the ID, if we find a + sub-path. + ''' + npath = pathStruct() + npath.enclosed = False + if idmod > 0: + npath.id = elem.get_id()+"-"+str(idmod) + else: + npath.id = elem.get_id() + idmod += 1 + npath.path.append(inkex.paths.Move(ptx1,pty1)) + else: + if last_letter != 'M': + ptx1 = ptx2 + pty1 = pty2 + if ptoken.letter == 'L': + ptx2 = ptoken.x * escale + pty2 = ptoken.y * escale + elif ptoken.letter == 'H': + ptx2 = ptoken.x * escale + pty2 = pty1 + elif ptoken.letter == 'V': + ptx2 = ptx1 + pty2 = ptoken.y * escale + elif ptoken.letter == 'Z': + ptx2 = mx + pty2 = my + else: + raise inkex.AbortExtension("Unrecognized path command {0}".format(ptoken.letter)) + npath.path.append(inkex.paths.Line(ptx2,pty2)) + if ptoken.letter == 'Z': + npaths.append(npath) + else: + if self.options.print_debug is True: + self.msg("Warning! Path {} is not closed. Skipping ...".format(elem.get('id'))) + last_letter = ptoken.letter + # check for cutouts + if idmod > 1: + for apath in npaths: # We test these paths to see if they are fully enclosed + for bpath in npaths: # by these paths + if apath.id != bpath.id: + if self.pathInsidePath(bpath.path, apath.path): + apath.enclosed = True + # add tabs to current path(s) + if 'style' in elem.attrib: + sstr = elem.attrib['style'] + if not math.isclose(escale, 1.0): + lsstr = sstr.split(';') + for stoken in range(len(lsstr)): + if lsstr[stoken].startswith('stroke-width'): + swt = lsstr[stoken].split(':')[1] + swf = str(float(swt)*escale) + lsstr[stoken] = lsstr[stoken].replace(swt, swf) + if lsstr[stoken].startswith('stroke-miterlimit'): + swt = lsstr[stoken].split(':')[1] + swf = str(float(swt)*escale) + lsstr[stoken] = lsstr[stoken].replace(swt, swf) + sstr = ";".join(lsstr) + else: + sstr = None + dsub = '' # Used for building sub-paths + dprop = '' # Used for building the main path + dscore = '' # Used for building dashlines + for apath in npaths: + mpath = [apath.path[0]] # init output path with first point of input path + for ptn in range(len(apath.path)-1): + if (tabsets == 'both') or (((tabsets == 'inside') and (apath.enclosed)) or ((tabsets == 'outside') and (not apath.enclosed))): + tabpt1, tabpt2 = self.makeTab(apath, apath.path[ptn], apath.path[ptn+1], tab_height, tab_angle) + mpath.append(tabpt1) + mpath.append(tabpt2) + dscore = dscore + self.makescore(apath.path[ptn], apath.path[ptn+1],dashlength) + mpath.append(apath.path[ptn+1]) + if apath.id == elem.get_id(): + for nodes in range(len(mpath)): + if nodes == 0: + dprop = 'M ' # This is the main path, which should appear first + else: + dprop = dprop + ' L ' + dprop = dprop + str(mpath[nodes].x) + ',' + str(mpath[nodes].y) + ## and close the path + dprop = dprop + ' Z' + else: + for nodes in range(len(mpath)): + if nodes == 0: + dsub = dsub + ' M ' # This is a sub-path, which should follow the main path + else: + dsub = dsub + ' L ' + dsub = dsub + str(mpath[nodes].x) + ',' + str(mpath[nodes].y) + ## and close the path + dsub = dsub + ' Z' + dprop = dprop + dsub # combine all the paths + if math.isclose(dashlength, 0.0): + # lump together all the score lines + group = inkex.elements._groups.Group() + group.label = 'group'+str(pc)+'ms' + self.drawline(dprop,'model'+str(pc),group,sstr) # Output the model + if dscore != '': + self.drawline(dscore,'score'+str(pc),group,sstr) # Output the scorelines separately + layer.append(group) + else: + dprop = dprop + dscore + self.drawline(dprop,savid+'ms',layer,sstr) + pc += 1 + + if self.options.keep_original is False: + elem.delete() + +if __name__ == '__main__': + Tabgen().run()