481 lines
17 KiB
Python
481 lines
17 KiB
Python
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#!/usr/bin/env python3
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# Copyright 2016 Luke Phillips (lukerazor@hotmail.com)
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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#along with this program; if not, write to the Free Software
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#Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Extension dirs
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# linux:~/.config/inkscape/extensions
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# windows: [Drive]:\Program Files\Inkscape\share\extensions
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from lxml import etree
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import inkex
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import copy
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import math
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FOLD_GAP = 5
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CROP_GAP = 2
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CROP_LENGTH = 3
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inkex.NSS[u'cs'] = u'http://www.razorfoss.org/cardlayoutguides/'
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def PrintDebug(string):
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inkex.utils.debug( _(str(string)) )
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def RoundAndDeduplicatePoints(points):
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return sorted(list(set(map(lambda x: round(x, 3), points))))
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class Point():
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def __init__(self, x, y):
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self.x = x
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self.y = y
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def rotate(self, angle, origin):
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"""
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Rotate a point counterclockwise by a given angle around a given origin.
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The angle should be given in degrees.
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"""
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rads = math.radians(angle)
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newX = origin.x + math.cos(rads) * (self.x - origin.x) - math.sin(rads) * (self.y - origin.y)
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newY = origin.y + math.sin(rads) * (self.x - origin.x) + math.cos(rads) * (self.y - origin.y)
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return Point(newX, newY)
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def add(self, point):
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return Point(self.x + point.x, self.y + point.y)
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@staticmethod
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def parsePoint(pointString):
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x, y = map(lambda v: float(v), pointString.split(","))
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return Point(x, y)
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@staticmethod
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def parse(pointString, orientationString=None):
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p1 = Point.parsePoint(pointString)
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p = Point(p1.x, p1.y)
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if orientationString != None:
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po = Point.parsePoint(orientationString)
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p = p1.add(po.rotate(270, Point(0, 0)))
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return p
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class LineGeneratorBase(object):
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def __init__(self, card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc):
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self.UnitConverterFunc = unitConverterFunc
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self.card_width = card_width
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self.card_height = card_height
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self.card_margin = card_margin
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self.bleed_margin = bleed_margin
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self.PageWidth = pageWidth
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self.PageHeight = pageHeight
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self.page_margin = page_margin
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self.ContainerWidth = -1
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self.ContainerHeight = -1
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self.GuideOffsetsWithFold = [
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0,
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self.bleed_margin, self.card_margin, self.card_height - 2*self.card_margin, self.card_margin, self.bleed_margin,
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2*FOLD_GAP,
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self.bleed_margin, self.card_margin, self.card_height - 2*self.card_margin, self.card_margin, self.bleed_margin
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]
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self.GuideOffsetsNoFold = [
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0,
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self.bleed_margin, self.card_margin,
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self.card_width - 2*self.card_margin,
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self.card_margin, self.bleed_margin
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]
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def CalcPageLeftMargin(self):
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return (self.PageWidth - self.ContentWidth) / 2.0
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def CalcPageBottomMargin(self):
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return (self.PageHeight - self.ContentHeight) / 2.0
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def DrawGuide(self, xmlParent, xpos, ypos):
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posString = "{},{}".format(xpos, ypos)
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attribs = {'position': posString, 'orientation': posString}
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etree.SubElement(xmlParent, inkex.addNS('guide',"sodipodi"), attribs)
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def ConvertPoint(self, p):
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# convert point into svg approriate values, including catering for inkscapes "alternative" axis sytem ie 0, 0 is bottom left not top left
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newX = self.UnitConverterFunc("{}mm".format(p.x))
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newY = self.PageHeight - self.UnitConverterFunc("{}mm".format(p.y))
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return Point(newX, newY)
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def DrawLine(self, xmlParent, p1, p2):
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cp1 = self.ConvertPoint(p1)
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cp2 = self.ConvertPoint(p2)
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pathStr = "M {},{} {}, {}".format(cp1.x, cp1.y, cp2.x, cp2.y)
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style = {'stroke': '#000000', 'stroke-width': self.UnitConverterFunc('0.25mm'), 'fill': 'none'}
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attribs = {'style': str(inkex.Style(style)), 'd': pathStr}
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etree.SubElement(xmlParent, inkex.addNS('path','svg'), attribs )
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def DrawVerticleGuides(self, xmlParent, positions, gap):
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curPos = self.CalcPageLeftMargin()
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lastPos = -1
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while curPos + self.ContainerWidth <= self.PageWidth - self.page_margin:
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for offset in positions:
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curPos += offset
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if curPos != lastPos: # don't double draw
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self.DrawGuide(xmlParent, curPos, 0)
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lastPos = curPos
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curPos += gap
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def DrawHorizontalGuides(self, xmlParent, positions, gap):
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curPos = self.CalcPageBottomMargin()
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lastPos = -1
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while curPos + self.ContainerHeight <= self.PageHeight - self.page_margin:
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for offset in positions:
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curPos += offset
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if curPos != lastPos: # don't double draw
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self.DrawGuide(xmlParent, 0, curPos)
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lastPos = curPos
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curPos += gap
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def GenerateFoldLines(self, xmlParent):
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lines = self.GetFoldLinePositions()
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for line in lines:
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self.DrawLine(xmlParent, line[0], line[1])
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def GenerateCropMarks(self, xmlParent):
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lines = self.GetCropMarkLines()
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for line in lines:
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self.DrawLine(xmlParent, line[0], line[1])
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@staticmethod
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def CreateLineGenerator(layout, orientation, card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc):
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if layout == "SIMPLE":
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return SimpleGridLineGenerator(orientation, card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc)
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if orientation == "HORIZONTAL":
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return LineGeneratorForHorizontalCards(card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc)
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return LineGeneratorForVerticalCards(card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc)
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class SimpleGridLineGenerator(LineGeneratorBase):
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def __init__(self, orientation, card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc):
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if orientation == "HORIZONTAL":
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super(SimpleGridLineGenerator, self).__init__(card_height, card_width, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc)
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else:
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super(SimpleGridLineGenerator, self).__init__(card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc)
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self.ContainerWidth = self.card_width + 2 * bleed_margin
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self.ContainerHeight = self.card_height + 2 * bleed_margin
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# num across
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# num down
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self.NumContainersAcross = int((self.PageWidth - 2*self.page_margin) // self.ContainerWidth) # round down division
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self.NumContainersDown = int((self.PageHeight - 2*self.page_margin) // self.ContainerHeight) # round down division
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# content sizes
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self.ContentWidth = self.NumContainersAcross * self.ContainerWidth
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self.ContentHeight = self.NumContainersDown * self.ContainerHeight
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def GenerateGuides(self, xmlParent):
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horizontalOffsets = self.GuideOffsetsNoFold = [
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0,
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self.bleed_margin, self.card_margin,
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self.card_width - 2*self.card_margin,
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self.card_margin, self.bleed_margin
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]
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verticalOffsets = self.GuideOffsetsNoFold = [
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0,
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self.bleed_margin, self.card_margin,
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self.card_height - 2*self.card_margin,
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self.card_margin, self.bleed_margin
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]
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self.DrawVerticleGuides(xmlParent, horizontalOffsets, 0)
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self.DrawHorizontalGuides(xmlParent, verticalOffsets, 0)
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def GetFoldLinePositions(self):
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return [] # no fold lines in simple grid
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def GetCropMarkLines(self):
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lines = []
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leftMargin = self.CalcPageLeftMargin()
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bottomMargin = self.CalcPageBottomMargin()
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#determine all horizontal crop marks, duplicates possible
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# figure out the ypos
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horizontal_ypos = []
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for idx in range(self.NumContainersDown):
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bottomY = self.bleed_margin
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topY = bottomY + self.card_height
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containerOffset = bottomMargin + idx*self.ContainerHeight
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horizontal_ypos.append(containerOffset + bottomY)
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horizontal_ypos.append(containerOffset + topY)
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horizontal_ypos = RoundAndDeduplicatePoints(horizontal_ypos) # remove duplicate positions
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horizontal_xpos = [leftMargin - CROP_GAP, self.PageWidth - leftMargin + CROP_GAP + CROP_LENGTH]
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for xpos in horizontal_xpos:
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for ypos in horizontal_ypos:
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lines.append([
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Point(xpos - CROP_LENGTH, ypos),
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Point(xpos, ypos)
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])
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#determine all vertical crop marks, duplicates possible
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# figure out the xpos
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vertical_xpos = []
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for idx in range(self.NumContainersAcross):
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leftX = self.bleed_margin
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rightX = leftX + self.card_width
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containerOffset = leftMargin + idx*self.ContainerWidth
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vertical_xpos.append(containerOffset + leftX)
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vertical_xpos.append(containerOffset + rightX)
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vertical_xpos = RoundAndDeduplicatePoints(vertical_xpos) # remove duplicate positions
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vertical_ypos = [bottomMargin - CROP_GAP, self.PageHeight - bottomMargin + CROP_GAP + CROP_LENGTH]
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for xpos in vertical_xpos:
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for ypos in vertical_ypos:
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lines.append([
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Point(xpos, ypos),
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Point(xpos, ypos - CROP_LENGTH)
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])
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return lines
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class LineGeneratorForVerticalCards(LineGeneratorBase):
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def __init__(self, card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc):
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super(LineGeneratorForVerticalCards, self).__init__(card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc)
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self.ContainerWidth = card_width + 2*bleed_margin
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self.ContainerHeight = 2*(card_height + 2*bleed_margin + FOLD_GAP)
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# num across
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self.NumContainersAcross = int((self.PageWidth - 2*self.page_margin) // self.ContainerWidth) # round down division
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# num down
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contentHeight = lambda n: n * self.ContainerHeight + (n - 1)*(2*FOLD_GAP)
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workingHeight = self.PageHeight - 2*self.page_margin
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self.NumContainersDown = int(workingHeight // self.ContainerHeight) # round down division for nominal value
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if contentHeight(self.NumContainersDown) > workingHeight:
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self.NumContainersDown -= 1
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# content sizes
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self.ContentWidth = self.NumContainersAcross * self.ContainerWidth
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self.ContentHeight = contentHeight(self.NumContainersDown)
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def GenerateGuides(self, xmlParent):
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self.DrawVerticleGuides(xmlParent, self.GuideOffsetsNoFold, 0)
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self.DrawHorizontalGuides(xmlParent, self.GuideOffsetsWithFold, 2*FOLD_GAP)
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def GetFoldLinePositions(self):
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lines = []
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leftMargin = self.CalcPageLeftMargin()
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for idx in range(self.NumContainersDown):
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foldY = self.CalcPageBottomMargin() + idx*(self.ContainerHeight + 2*FOLD_GAP) + self.ContainerHeight/2
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lines.append([Point(leftMargin, foldY), Point(self.PageWidth - leftMargin, foldY)])
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return lines
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def GetCropMarkLines(self):
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lines = []
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leftMargin = self.CalcPageLeftMargin()
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bottomMargin = self.CalcPageBottomMargin()
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vertical_ypos = []
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# determine all of the hornzontal facing crop marks, no duplicates possible
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for idx in range(self.NumContainersDown):
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bottomY = self.bleed_margin
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topY = bottomY + self.card_height
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containerOffset = bottomMargin + idx*(self.ContainerHeight + 2*FOLD_GAP)
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vertical_ypos += [
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containerOffset - CROP_GAP,
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containerOffset + 2*self.bleed_margin + 2*self.card_margin + self.card_height + CROP_GAP + CROP_LENGTH
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] # stash for later
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for ypos in [containerOffset + bottomY, containerOffset + topY]:
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for xpos in [leftMargin - CROP_GAP, self.PageWidth - leftMargin + CROP_GAP + CROP_LENGTH]:
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lines.append([
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Point(xpos, ypos),
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Point(xpos - CROP_LENGTH, ypos)
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])
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#determine all vertical crop marks, duplicates possible
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# figure out the xpos
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vertical_xpos = []
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for idx in range(self.NumContainersAcross):
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leftX = self.bleed_margin
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rightX = leftX + self.card_width
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containerOffset = leftMargin + idx*self.ContainerWidth
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vertical_xpos.append(containerOffset + leftX)
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vertical_xpos.append(containerOffset + rightX)
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vertical_xpos = list(set(vertical_xpos)) # remove duplicate positions
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for xpos in vertical_xpos:
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for ypos in vertical_ypos:
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lines.append([
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Point(xpos, ypos),
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Point(xpos, ypos - CROP_LENGTH)
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||
|
|
])
|
||
|
|
|
||
|
|
return lines
|
||
|
|
|
||
|
|
class LineGeneratorForHorizontalCards(LineGeneratorBase):
|
||
|
|
def __init__(self, card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc):
|
||
|
|
super(LineGeneratorForHorizontalCards, self).__init__(card_width, card_height, card_margin, bleed_margin, pageWidth, pageHeight, page_margin, unitConverterFunc)
|
||
|
|
|
||
|
|
self.ContainerWidth = 2*(card_height + 2 * bleed_margin + FOLD_GAP)
|
||
|
|
self.ContainerHeight = card_width + 2 * bleed_margin
|
||
|
|
|
||
|
|
# num across
|
||
|
|
contentWidth = lambda n: n * self.ContainerWidth + (n - 1)*(2*FOLD_GAP)
|
||
|
|
workingWidth = self.PageWidth - 2*self.page_margin
|
||
|
|
|
||
|
|
self.NumContainersAcross = int(workingWidth // self.ContainerWidth) # round down division for nominal value
|
||
|
|
if contentWidth(self.NumContainersAcross) > workingWidth:
|
||
|
|
self.NumContainersAcross -= 1
|
||
|
|
|
||
|
|
# num down
|
||
|
|
self.NumContainersDown = int((self.PageHeight - 2*self.page_margin) // self.ContainerHeight) # round down division
|
||
|
|
|
||
|
|
# content sizes
|
||
|
|
self.ContentWidth = contentWidth(self.NumContainersAcross)
|
||
|
|
self.ContentHeight = self.NumContainersDown * self.ContainerHeight
|
||
|
|
|
||
|
|
def GenerateGuides(self, xmlParent):
|
||
|
|
self.DrawVerticleGuides(xmlParent, self.GuideOffsetsWithFold, 2*FOLD_GAP)
|
||
|
|
self.DrawHorizontalGuides(xmlParent, self.GuideOffsetsNoFold, 0)
|
||
|
|
|
||
|
|
def GetFoldLinePositions(self):
|
||
|
|
lines = []
|
||
|
|
bottomMargin = self.CalcPageBottomMargin()
|
||
|
|
|
||
|
|
for idx in range(self.NumContainersAcross):
|
||
|
|
foldX = self.CalcPageLeftMargin() + idx*(self.ContainerWidth + 2*FOLD_GAP) + self.ContainerWidth/2
|
||
|
|
lines.append([Point(foldX, bottomMargin), Point(foldX, self.PageHeight - bottomMargin)])
|
||
|
|
|
||
|
|
return lines
|
||
|
|
|
||
|
|
def GetCropMarkLines(self):
|
||
|
|
lines = []
|
||
|
|
|
||
|
|
leftMargin = self.CalcPageLeftMargin()
|
||
|
|
bottomMargin = self.CalcPageBottomMargin()
|
||
|
|
horizontal_xpos = []
|
||
|
|
|
||
|
|
# determine all of the vertical facing crop marks, no duplicates possible
|
||
|
|
for idx in range(self.NumContainersAcross):
|
||
|
|
leftX = self.bleed_margin
|
||
|
|
rightX = leftX + self.card_height
|
||
|
|
containerOffset = leftMargin + idx*(self.ContainerWidth + 2*FOLD_GAP)
|
||
|
|
horizontal_xpos += [
|
||
|
|
containerOffset - CROP_GAP,
|
||
|
|
containerOffset + 2*self.bleed_margin + 2*self.card_margin + self.card_height + CROP_GAP + CROP_LENGTH
|
||
|
|
] # stash for later
|
||
|
|
|
||
|
|
for xpos in [containerOffset + leftX, containerOffset + rightX]:
|
||
|
|
for ypos in [bottomMargin - CROP_GAP, self.PageHeight - bottomMargin + CROP_GAP + CROP_LENGTH]:
|
||
|
|
lines.append([
|
||
|
|
Point(xpos, ypos),
|
||
|
|
Point(xpos, ypos - CROP_LENGTH)
|
||
|
|
])
|
||
|
|
|
||
|
|
#determine all horizontal crop marks, duplicates possible
|
||
|
|
# figure out the xpos
|
||
|
|
horizontal_ypos = []
|
||
|
|
for idx in range(self.NumContainersDown):
|
||
|
|
bottomY = self.bleed_margin
|
||
|
|
topY = bottomY + self.card_width
|
||
|
|
containerOffset = bottomMargin + idx*self.ContainerHeight
|
||
|
|
|
||
|
|
horizontal_ypos.append(containerOffset + bottomY)
|
||
|
|
horizontal_ypos.append(containerOffset + topY)
|
||
|
|
|
||
|
|
horizontal_ypos = RoundAndDeduplicatePoints(horizontal_ypos) # remove duplicate positions
|
||
|
|
|
||
|
|
for ypos in horizontal_ypos:
|
||
|
|
for xpos in horizontal_xpos:
|
||
|
|
lines.append([
|
||
|
|
Point(xpos, ypos),
|
||
|
|
Point(xpos - CROP_LENGTH, ypos)
|
||
|
|
])
|
||
|
|
|
||
|
|
return lines
|
||
|
|
|
||
|
|
class FoldedCardLayoutGuidesEffect(inkex.Effect):
|
||
|
|
def __init__(self):
|
||
|
|
inkex.Effect.__init__(self)
|
||
|
|
|
||
|
|
self.arg_parser.add_argument('-l', '--layout')
|
||
|
|
self.arg_parser.add_argument('-w', '--card_width', type = float)
|
||
|
|
self.arg_parser.add_argument('-d', '--card_height', type = float)
|
||
|
|
self.arg_parser.add_argument('-o', '--orientation')
|
||
|
|
self.arg_parser.add_argument('-c', '--card_margin', type = float)
|
||
|
|
self.arg_parser.add_argument('-b', '--bleed_margin', type = float)
|
||
|
|
self.arg_parser.add_argument('-p', '--page_margin', type = float)
|
||
|
|
|
||
|
|
def effect(self):
|
||
|
|
# find dimensions of page
|
||
|
|
pageWidth = self.svg.uutounit(self.svg.width, "mm")
|
||
|
|
pageHeight = self.svg.uutounit(self.svg.height, "mm")
|
||
|
|
|
||
|
|
opt = self.options
|
||
|
|
|
||
|
|
guideParent = self.document.xpath('//sodipodi:namedview',namespaces=inkex.NSS)[0]
|
||
|
|
|
||
|
|
### GUIDES
|
||
|
|
# remove all the existing guides
|
||
|
|
[node.getparent().remove(node) for node in self.document.xpath('//sodipodi:guide',namespaces=inkex.NSS)]
|
||
|
|
|
||
|
|
# create the generator object
|
||
|
|
gen = LineGeneratorBase.CreateLineGenerator(opt.layout, opt.orientation, opt.card_width, opt.card_height, opt.card_margin, opt.bleed_margin, pageWidth, pageHeight, opt.page_margin, self.svg.unittouu)
|
||
|
|
|
||
|
|
gen.GenerateGuides(guideParent)
|
||
|
|
|
||
|
|
### FOLD LINES
|
||
|
|
# remove any existing 'Crop marks' layer
|
||
|
|
[node.getparent().remove(node) for node in self.document.xpath("//svg:g[@inkscape:label='Crop Marks']",namespaces=inkex.NSS)]
|
||
|
|
|
||
|
|
svg = self.document.xpath('//svg:svg', namespaces=inkex.NSS)[0]
|
||
|
|
layer = etree.SubElement(svg, inkex.addNS('g',"svg"), {})
|
||
|
|
layer.set(inkex.addNS('label', 'inkscape'), "Crop Marks")
|
||
|
|
layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
|
||
|
|
#layer.set(inkex.addNS('insensitive', 'sodipodi'), 'true')
|
||
|
|
|
||
|
|
gen.GenerateFoldLines(layer)
|
||
|
|
|
||
|
|
### CROP MARKS
|
||
|
|
gen.GenerateCropMarks(layer)
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
FoldedCardLayoutGuidesEffect().run()
|