diff --git a/app.py b/app.py
index 342e8203bfb4f9bd2f8a2a189ae967d3b3730955..3a1f049c0109313ce467022701e5e0861060c5be 100644
--- a/app.py
+++ b/app.py
@@ -1,9 +1,11 @@
-from flask import Flask, request, render_template
+from flask import Flask, Response, request, render_template
import subprocess
import os
import re
import sys
+import tempfile
import io
+from svg_to_hpgl import svgToHPGL
app = Flask(__name__)
@@ -158,5 +160,30 @@ def catalogue():
output = output,
params = params)
+def make_svg ():
+ return ''
+
+@app.route('/hpgl/')
+def hpgl ():
+ # generate svg
+ svg = make_svg()
+ # store as a temporary file
+ (svg_file, svg_path) = tempfile.mkstemp()
+ svg_file.write(svg)
+
+ # transform to hpgl
+ hpgl = svgToHPGL(svg_path)
+
+ # remove tmp file
+ os.remove(svg_path)
+
+ r = Response(hpgl, mimetype='application/hpgl')
+
+ r.headers.extend({
+ 'Content-Disposition': 'attachment; filename="cobbled-paths.hpgl"'
+ })
+
+ return r
+
if __name__ == '__main__':
app.run(debug=True, host='0.0.0.0')
\ No newline at end of file
diff --git a/hpgl_multipen_encoder.py b/hpgl_multipen_encoder.py
new file mode 100644
index 0000000000000000000000000000000000000000..c6373f3b00bb903acc2d68b0b712457df05d30dd
--- /dev/null
+++ b/hpgl_multipen_encoder.py
@@ -0,0 +1,395 @@
+# coding=utf-8
+'''
+Copyright (C) 2008 Aaron Spike, aaron@ekips.org
+Copyright (C) 2013 Sebastian Wüst, sebi@timewaster.de
+
+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.
+'''
+
+# standard libraries
+import math
+import re
+import sys
+sys.path.append('/usr/share/inkscape/extensions')
+# local libraries
+import bezmisc
+import cspsubdiv
+import cubicsuperpath
+import inkex
+import simplestyle
+import simpletransform
+
+
+class hpglMultipenEncoder:
+ PI = math.pi
+ TWO_PI = PI * 2
+
+ def __init__(self, effect):
+ ''' options:
+ "resolutionX":float
+ "resolutionY":float
+ "pen":int
+ "force:int
+ "speed:int
+ "orientation":string // "0", "90", "-90", "180"
+ "mirrorX":bool
+ "mirrorY":bool
+ "center":bool
+ "flat":float
+ "overcut":float
+ "toolOffset":float
+ "precut":bool
+ "autoAlign":bool
+ "debug":bool
+ '''
+ self.options = effect.options
+ self.doc = effect.document.getroot()
+ self.docWidth = effect.unittouu(self.doc.get('width'))
+ self.docHeight = effect.unittouu(self.doc.get('height'))
+ self.hpgl = ''
+ self.divergenceX = 'False'
+ self.divergenceY = 'False'
+ self.sizeX = 'False'
+ self.sizeY = 'False'
+ self.dryRun = True
+ self.lastPoint = [0, 0, 0]
+ self.lastPen = -1
+ self.offsetX = 0
+ self.offsetY = 0
+ self.penIndex = {}
+ self.penCount = self.options.penCount
+ self.scaleX = self.options.resolutionX / effect.unittouu("1.0in") # dots per inch to dots per user unit
+ self.scaleY = self.options.resolutionY / effect.unittouu("1.0in") # dots per inch to dots per user unit
+ scaleXY = (self.scaleX + self.scaleY) / 2
+ self.overcut = effect.unittouu(str(self.options.overcut) + "mm") * scaleXY # mm to dots (plotter coordinate system)
+ self.toolOffset = effect.unittouu(str(self.options.toolOffset) + "mm") * scaleXY # mm to dots
+ self.flat = self.options.flat / (1016 / ((self.options.resolutionX + self.options.resolutionY) / 2)) # scale flatness to resolution
+ if self.toolOffset > 0.0:
+ self.toolOffsetFlat = self.flat / self.toolOffset * 4.5 # scale flatness to offset
+ else:
+ self.toolOffsetFlat = 0.0
+ self.mirrorX = 1.0
+ if self.options.mirrorX:
+ self.mirrorX = -1.0
+ self.mirrorY = -1.0
+ if self.options.mirrorY:
+ self.mirrorY = 1.0
+ if self.options.debug:
+ self.debugValues = {}
+ self.debugValues['docWidth'] = self.docWidth
+ self.debugValues['docHeight'] = self.docHeight
+ # process viewBox attribute to correct page scaling
+ self.viewBoxTransformX = 1
+ self.viewBoxTransformY = 1
+ if self.options.debug:
+ self.debugValues['viewBoxWidth'] = "-"
+ self.debugValues['viewBoxHeight'] = "-"
+ viewBox = self.doc.get('viewBox')
+ if viewBox:
+ viewBox2 = viewBox.split(',')
+ if len(viewBox2) < 4:
+ viewBox2 = viewBox.split(' ')
+ if self.options.debug:
+ self.debugValues['viewBoxWidth'] = viewBox2[2]
+ self.debugValues['viewBoxHeight'] = viewBox2[3]
+ self.viewBoxTransformX = self.docWidth / effect.unittouu(effect.addDocumentUnit(viewBox2[2]))
+ self.viewBoxTransformY = self.docHeight / effect.unittouu(effect.addDocumentUnit(viewBox2[3]))
+
+ def getHpgl(self):
+ # dryRun to find edges
+ groupmat = [[self.mirrorX * self.scaleX * self.viewBoxTransformX, 0.0, 0.0], [0.0, self.mirrorY * self.scaleY * self.viewBoxTransformY, 0.0]]
+ groupmat = simpletransform.composeTransform(groupmat, simpletransform.parseTransform('rotate(' + self.options.orientation + ')'))
+ self.vData = [['', 'False', 0, 0], ['', 'False', 0, 0], ['', 'False', 0, 0], ['', 'False', 0, 0]]
+ self.processGroups(self.doc, groupmat)
+ if self.divergenceX == 'False' or self.divergenceY == 'False' or self.sizeX == 'False' or self.sizeY == 'False':
+ raise Exception('NO_PATHS')
+ # live run
+ self.dryRun = False
+ if self.options.debug:
+ self.debugValues['drawingWidth'] = self.sizeX - self.divergenceX
+ self.debugValues['drawingHeight'] = self.sizeY - self.divergenceY
+ self.debugValues['drawingWidthUU'] = self.debugValues['drawingWidth'] / self.scaleX
+ self.debugValues['drawingHeightUU'] = self.debugValues['drawingHeight'] / self.scaleY
+ # move drawing according to various modifiers
+ if self.options.autoAlign:
+ if self.options.center:
+ self.offsetX -= (self.sizeX - self.divergenceX) / 2
+ self.offsetY -= (self.sizeY - self.divergenceY) / 2
+ else:
+ self.divergenceX = 0.0
+ self.divergenceY = 0.0
+ if self.options.center:
+ if self.options.orientation == '0':
+ self.offsetX -= (self.docWidth * self.scaleX) / 2
+ self.offsetY += (self.docHeight * self.scaleY) / 2
+ if self.options.orientation == '90':
+ self.offsetY += (self.docWidth * self.scaleX) / 2
+ self.offsetX += (self.docHeight * self.scaleY) / 2
+ if self.options.orientation == '180':
+ self.offsetX += (self.docWidth * self.scaleX) / 2
+ self.offsetY -= (self.docHeight * self.scaleY) / 2
+ if self.options.orientation == '270':
+ self.offsetY -= (self.docWidth * self.scaleX) / 2
+ self.offsetX -= (self.docHeight * self.scaleY) / 2
+ else:
+ if self.options.orientation == '0':
+ self.offsetY += self.docHeight * self.scaleY
+ if self.options.orientation == '90':
+ self.offsetY += self.docWidth * self.scaleX
+ self.offsetX += self.docHeight * self.scaleY
+ if self.options.orientation == '180':
+ self.offsetX += self.docWidth * self.scaleX
+ if not self.options.center and self.toolOffset > 0.0:
+ self.offsetX += self.toolOffset
+ self.offsetY += self.toolOffset
+ # initialize transformation matrix and cache
+ groupmat = [[self.mirrorX * self.scaleX * self.viewBoxTransformX, 0.0, -self.divergenceX + self.offsetX],
+ [0.0, self.mirrorY * self.scaleY * self.viewBoxTransformY, -self.divergenceY + self.offsetY]]
+ groupmat = simpletransform.composeTransform(groupmat, simpletransform.parseTransform('rotate(' + self.options.orientation + ')'))
+ self.vData = [['', 'False', 0, 0], ['', 'False', 0, 0], ['', 'False', 0, 0], ['', 'False', 0, 0]]
+ # add move to zero point and precut
+ if self.toolOffset > 0.0 and self.options.precut:
+ if self.options.center:
+ # position precut outside of drawing plus one time the tooloffset
+ if self.offsetX >= 0.0:
+ precutX = self.offsetX + self.toolOffset
+ else:
+ precutX = self.offsetX - self.toolOffset
+ if self.offsetY >= 0.0:
+ precutY = self.offsetY + self.toolOffset
+ else:
+ precutY = self.offsetY - self.toolOffset
+ self.processOffset('PU', precutX, precutY, self.options.pen)
+ self.processOffset('PD', precutX, precutY + self.toolOffset * 8, self.options.pen)
+ else:
+ self.processOffset('PU', 0, 0, self.options.pen)
+ self.processOffset('PD', 0, self.toolOffset * 8, self.options.pen)
+ # start conversion
+ self.processGroups(self.doc, groupmat)
+ # shift an empty node in in order to process last node in cache
+ if self.toolOffset > 0.0 and not self.dryRun:
+ self.processOffset('PU', 0, 0, 0)
+ if self.options.debug:
+ return self.hpgl, self
+ else:
+ return self.hpgl, ""
+
+ def processGroups(self, doc, groupmat):
+ # flatten layers and groups to avoid recursion
+ paths = []
+ for node in doc:
+ if (node.tag == inkex.addNS('g', 'svg') and self.isGroupVisible(node)) or node.tag == inkex.addNS('path', 'svg'):
+ paths.append([node.tag, node, self.mergeTransform(node, groupmat), self.getPenNumber(node)])
+ doc = ''
+ hasGroups = True
+ while hasGroups:
+ hasGroups = False
+ for i, elm in enumerate(paths):
+ if paths[i][0] == inkex.addNS('g', 'svg') and self.isGroupVisible(paths[i][1]):
+ hasGroups = True
+ for path in paths[i][1]:
+ if (path.tag == inkex.addNS('g', 'svg') and self.isGroupVisible(path)) or path.tag == inkex.addNS('path', 'svg'):
+ paths.insert(i + 1, [path.tag, path, self.mergeTransform(path, paths[i][2]), paths[i][3]])
+ paths[i][0] = ''
+ for node in paths:
+ if node[0] == inkex.addNS('path', 'svg'):
+ self.processPath(node[1], node[2], node[3])
+
+ def getPenNumber(self, doc):
+ penNum = str(doc.get('{' + inkex.NSS['inkscape'] + '}label')).lower().strip(' \t\n\r')
+ if re.search(r'( |\A)pen *\d+( |\Z)', penNum):
+ penNum = re.sub(r'(.* |\A)pen *(\d+)( .*|\Z)', r'\2', penNum, 1)
+ return int(penNum)
+ else:
+ style = doc.get('style')
+ style = simplestyle.parseStyle(style)
+ if 'stroke' in style and style['stroke'] != 'none':
+ color = style['stroke']
+ elif 'fill' in style and style['fill'] != 'none':
+ color = style['fill']
+ else:
+ return None
+
+ if not self.penIndex.has_key(color):
+ penNum = (len(self.penIndex) + 1) % self.penCount
+ self.penIndex[color] = self.penCount if penNum == 0 else penNum
+
+ return self.penIndex[color]
+ # return self.options.pen
+
+
+ def mergeTransform(self, doc, matrix):
+ # get and merge two matrixes into one
+ trans = doc.get('transform')
+ if trans:
+ return simpletransform.composeTransform(matrix, simpletransform.parseTransform(trans))
+ else:
+ return matrix
+
+ def isGroupVisible(self, group):
+ style = group.get('style')
+ if style:
+ style = simplestyle.parseStyle(style)
+ if 'display' in style and style['display'] == 'none':
+ return False
+ return True
+
+ def processPath(self, node, mat, pen):
+ # process path
+ path = node.get('d')
+ if path:
+ # parse and transform path
+ path = cubicsuperpath.parsePath(path)
+ simpletransform.applyTransformToPath(mat, path)
+ cspsubdiv.cspsubdiv(path, self.flat)
+ # path to HPGL commands
+ oldPosX = 0.0
+ oldPosY = 0.0
+ for singlePath in path:
+ cmd = 'PU'
+ for singlePathPoint in singlePath:
+ posX, posY = singlePathPoint[1]
+ # check if point is repeating, if so, ignore
+ if int(round(posX)) != int(round(oldPosX)) or int(round(posY)) != int(round(oldPosY)):
+ self.processOffset(cmd, posX, posY, pen)
+ cmd = 'PD'
+ oldPosX = posX
+ oldPosY = posY
+ # perform overcut
+ if self.overcut > 0.0 and not self.dryRun:
+ # check if last and first points are the same, otherwise the path is not closed and no overcut can be performed
+ if int(round(oldPosX)) == int(round(singlePath[0][1][0])) and int(round(oldPosY)) == int(round(singlePath[0][1][1])):
+ overcutLength = 0
+ for singlePathPoint in singlePath:
+ posX, posY = singlePathPoint[1]
+ # check if point is repeating, if so, ignore
+ if int(round(posX)) != int(round(oldPosX)) or int(round(posY)) != int(round(oldPosY)):
+ overcutLength += self.getLength(oldPosX, oldPosY, posX, posY)
+ if overcutLength >= self.overcut:
+ newLength = self.changeLength(oldPosX, oldPosY, posX, posY, - (overcutLength - self.overcut))
+ self.processOffset(cmd, newLength[0], newLength[1], pen)
+ break
+ else:
+ self.processOffset(cmd, posX, posY, pen)
+ oldPosX = posX
+ oldPosY = posY
+
+ def getLength(self, x1, y1, x2, y2, absolute=True):
+ # calc absoulute or relative length between two points
+ length = math.sqrt((x2 - x1) ** 2.0 + (y2 - y1) ** 2.0)
+ if absolute:
+ length = math.fabs(length)
+ return length
+
+ def changeLength(self, x1, y1, x2, y2, offset):
+ # change length of line
+ if offset < 0:
+ offset = max( - self.getLength(x1, y1, x2, y2), offset)
+ x = x2 + (x2 - x1) / self.getLength(x1, y1, x2, y2, False) * offset
+ y = y2 + (y2 - y1) / self.getLength(x1, y1, x2, y2, False) * offset
+ return [x, y]
+
+ def processOffset(self, cmd, posX, posY, pen):
+ # calculate offset correction (or dont)
+ if self.toolOffset == 0.0 or self.dryRun:
+ self.storePoint(cmd, posX, posY, pen)
+ else:
+ # insert data into cache
+ self.vData.pop(0)
+ self.vData.insert(3, [cmd, posX, posY, pen])
+ # decide if enough data is availabe
+ if self.vData[2][1] != 'False':
+ if self.vData[1][1] == 'False':
+ self.storePoint(self.vData[2][0], self.vData[2][1], self.vData[2][2], self.vData[2][3])
+ else:
+ # perform tool offset correction (It's a *tad* complicated, if you want to understand it draw the data as lines on paper)
+ if self.vData[2][0] == 'PD': # If the 3rd entry in the cache is a pen down command make the line longer by the tool offset
+ pointThree = self.changeLength(self.vData[1][1], self.vData[1][2], self.vData[2][1], self.vData[2][2], self.toolOffset)
+ self.storePoint('PD', pointThree[0], pointThree[1], self.vData[2][3])
+ elif self.vData[0][1] != 'False':
+ # Elif the 1st entry in the cache is filled with data and the 3rd entry is a pen up command shift
+ # the 3rd entry by the current tool offset position according to the 2nd command
+ pointThree = self.changeLength(self.vData[0][1], self.vData[0][2], self.vData[1][1], self.vData[1][2], self.toolOffset)
+ pointThree[0] = self.vData[2][1] - (self.vData[1][1] - pointThree[0])
+ pointThree[1] = self.vData[2][2] - (self.vData[1][2] - pointThree[1])
+ self.storePoint('PU', pointThree[0], pointThree[1], self.vData[2][3])
+ else:
+ # Else just write the 3rd entry
+ pointThree = [self.vData[2][1], self.vData[2][2]]
+ self.storePoint('PU', pointThree[0], pointThree[1], self.vData[2][3])
+ if self.vData[3][0] == 'PD':
+ # If the 4th entry in the cache is a pen down command guide tool to next line with a circle between the prolonged 3rd and 4th entry
+ if self.getLength(self.vData[2][1], self.vData[2][2], self.vData[3][1], self.vData[3][2]) >= self.toolOffset:
+ pointFour = self.changeLength(self.vData[3][1], self.vData[3][2], self.vData[2][1], self.vData[2][2], - self.toolOffset)
+ else:
+ pointFour = self.changeLength(self.vData[2][1], self.vData[2][2], self.vData[3][1], self.vData[3][2],
+ (self.toolOffset - self.getLength(self.vData[2][1], self.vData[2][2], self.vData[3][1], self.vData[3][2])))
+ # get angle start and angle vector
+ angleStart = math.atan2(pointThree[1] - self.vData[2][2], pointThree[0] - self.vData[2][1])
+ angleVector = math.atan2(pointFour[1] - self.vData[2][2], pointFour[0] - self.vData[2][1]) - angleStart
+ # switch direction when arc is bigger than 180°
+ if angleVector > self.PI:
+ angleVector -= self.TWO_PI
+ elif angleVector < - self.PI:
+ angleVector += self.TWO_PI
+ # draw arc
+ if angleVector >= 0:
+ angle = angleStart + self.toolOffsetFlat
+ while angle < angleStart + angleVector:
+ self.storePoint('PD', self.vData[2][1] + math.cos(angle) * self.toolOffset, self.vData[2][2] + math.sin(angle) * self.toolOffset, self.vData[2][3])
+ angle += self.toolOffsetFlat
+ else:
+ angle = angleStart - self.toolOffsetFlat
+ while angle > angleStart + angleVector:
+ self.storePoint('PD', self.vData[2][1] + math.cos(angle) * self.toolOffset, self.vData[2][2] + math.sin(angle) * self.toolOffset, self.vData[2][3])
+ angle -= self.toolOffsetFlat
+ self.storePoint('PD', pointFour[0], pointFour[1], self.vData[3][3])
+
+ def storePoint(self, command, x, y, pen):
+ x = int(round(x))
+ y = int(round(y))
+ # skip when no change in movement
+ if self.lastPoint[0] == command and self.lastPoint[1] == x and self.lastPoint[2] == y:
+ return
+ if self.dryRun:
+ # find edges
+ if self.divergenceX == 'False' or x < self.divergenceX:
+ self.divergenceX = x
+ if self.divergenceY == 'False' or y < self.divergenceY:
+ self.divergenceY = y
+ if self.sizeX == 'False' or x > self.sizeX:
+ self.sizeX = x
+ if self.sizeY == 'False' or y > self.sizeY:
+ self.sizeY = y
+ else:
+ # store point
+ if not self.options.center:
+ # only positive values are allowed (usually)
+ if x < 0:
+ x = 0
+ if y < 0:
+ y = 0
+ # select correct pen
+ if self.lastPen != pen:
+ self.hpgl += ';SP%d' % pen
+ # do not repeat command
+ if command == 'PD' and self.lastPoint[0] == 'PD' and self.lastPen == pen:
+ self.hpgl += ',%d,%d' % (x, y)
+ else:
+ self.hpgl += ';%s%d,%d' % (command, x, y)
+ self.lastPen = pen
+ self.lastPoint = [command, x, y]
+
+# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/hpgl_multipen_output.py b/hpgl_multipen_output.py
new file mode 100644
index 0000000000000000000000000000000000000000..7ad5db2c37c1779fe30a535999b8dc92cc63c8b4
--- /dev/null
+++ b/hpgl_multipen_output.py
@@ -0,0 +1,82 @@
+#! /usr/bin/python2
+# coding=utf-8
+'''
+Copyright (C) 2013 Sebastian Wüst, sebi@timewaster.de
+
+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.
+'''
+
+# standard library
+import sys
+# local libraries
+import hpgl_multipen_encoder
+sys.path.append('/usr/share/inkscape/extensions')
+import inkex
+
+class HpglMultipenOutput(inkex.Effect):
+
+ def __init__(self):
+ inkex.Effect.__init__(self)
+ self.OptionParser.add_option('--tab', action='store', type='string', dest='tab')
+ self.OptionParser.add_option('--resolutionX', action='store', type='float', dest='resolutionX', default=1016.0, help='Resolution X (dpi)')
+ self.OptionParser.add_option('--resolutionY', action='store', type='float', dest='resolutionY', default=1016.0, help='Resolution Y (dpi)')
+ self.OptionParser.add_option('--pen', action='store', type='int', dest='pen', default=1, help='Pen number')
+ self.OptionParser.add_option('--penCount', action='store', type='int', dest='penCount', default=1, help='Amount of pens to choose from')
+ self.OptionParser.add_option('--force', action='store', type='int', dest='force', default=24, help='Pen force (g)')
+ self.OptionParser.add_option('--speed', action='store', type='int', dest='speed', default=20, help='Pen speed (cm/s)')
+ self.OptionParser.add_option('--orientation', action='store', type='string', dest='orientation', default='90', help='Rotation (Clockwise)')
+ self.OptionParser.add_option('--mirrorX', action='store', type='inkbool', dest='mirrorX', default='FALSE', help='Mirror X axis')
+ self.OptionParser.add_option('--mirrorY', action='store', type='inkbool', dest='mirrorY', default='FALSE', help='Mirror Y axis')
+ self.OptionParser.add_option('--center', action='store', type='inkbool', dest='center', default='FALSE', help='Center zero point')
+ self.OptionParser.add_option('--overcut', action='store', type='float', dest='overcut', default=1.0, help='Overcut (mm)')
+ self.OptionParser.add_option('--toolOffset', action='store', type='float', dest='toolOffset', default=0.25, help='Tool (Knife) offset correction (mm)')
+ self.OptionParser.add_option('--precut', action='store', type='inkbool', dest='precut', default='TRUE', help='Use precut')
+ self.OptionParser.add_option('--flat', action='store', type='float', dest='flat', default=1.2, help='Curve flatness')
+ self.OptionParser.add_option('--autoAlign', action='store', type='inkbool', dest='autoAlign', default='TRUE', help='Auto align')
+
+ def effect(self):
+ self.options.debug = False
+ # get hpgl data
+ myHpglEncoder = hpgl_multipen_encoder.hpglMultipenEncoder(self)
+ try:
+ self.hpgl, debugObject = myHpglEncoder.getHpgl()
+ except Exception as inst:
+ if inst.args[0] == 'NO_PATHS':
+ # issue error if no paths found
+ inkex.errormsg(_("No paths where found. Please convert all objects you want to save into paths."))
+ self.hpgl = ''
+ return
+ else:
+ type, value, traceback = sys.exc_info()
+ raise ValueError("", type, value).with_traceback(traceback)
+ # convert raw HPGL to HPGL
+ hpglInit = 'IN'
+ if self.options.force > 0:
+ hpglInit += ';FS%d' % self.options.force
+ if self.options.speed > 0:
+ hpglInit += ';VS%d' % self.options.speed
+ self.hpgl = hpglInit + self.hpgl + ';SP0;PU0,0;IN; '
+
+ def output(self):
+ # print to file
+ if self.hpgl != '':
+ print(self.hpgl)
+
+if __name__ == '__main__':
+ # start extension
+ e = HpglOutput()
+ e.affect()
+
+# vim: expandtab shiftwidth=4 tabstop=8 softtabstop=4 fileencoding=utf-8 textwidth=99
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 0000000000000000000000000000000000000000..2077213c37cc027f3b2ee884c940c2f41d7adea7
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1 @@
+Flask
\ No newline at end of file
diff --git a/svg_to_hpgl.py b/svg_to_hpgl.py
new file mode 100644
index 0000000000000000000000000000000000000000..f025451bc52789f0c072ee3cb8c2d704cc6e2885
--- /dev/null
+++ b/svg_to_hpgl.py
@@ -0,0 +1,19 @@
+from hpgl_multipen_output import HpglMultipenOutput
+from sys import argv
+
+def svgToHPGL (path, speed=1, penCount=8, force=2):
+ e = HpglMultipenOutput()
+ e.affect([
+ '--orientation', '0',
+ '--force', '0',
+ '--overcut', '0',
+ '--precut', 'false',
+ '--flat', '4',
+ '--toolOffset', '0',
+ '--autoAlign', 'false',
+ '--speed', str(speed),
+ '--penCount', str(penCount),
+ '--force', str(force),
+ path], False)
+
+ return e.hpgl
\ No newline at end of file