Inkscape Output

# coding=utf-8 # # Copyright (C) 2011 Karlisson Bezerra # # 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. # """ Convas module for ink2canvas extension """ from inkex import Color class Canvas(object): """Canvas API helper class""" def __init__(self, parent, width, height, context="ctx"): self.obj = context self.code = [] # stores the code self.style = {} self.styleCache = {} # stores the previous style applied self.parent = parent self.width = width self.height = height def write(self, text): self.code.append("\t" + text.replace("ctx", self.obj) + "\n") def output(self): from textwrap import dedent html = """ Inkscape Output

""" return dedent(html) % (self.width, self.height, self.obj, "".join(self.code)) def equalStyle(self, style, key): """Checks if the last style used is the same or there's no style yet""" if key in self.styleCache: return True if key not in style: return True return style[key] == self.styleCache[key] def beginPath(self): self.write("ctx.beginPath();") def createLinearGradient(self, href, x1, y1, x2, y2): data = (href, x1, y1, x2, y2) self.write("var %s = \ ctx.createLinearGradient(%f,%f,%f,%f);" % data) def createRadialGradient(self, href, cx1, cy1, rx, cx2, cy2, ry): data = (href, cx1, cy1, rx, cx2, cy2, ry) self.write("var %s = ctx.createRadialGradient\ (%f,%f,%f,%f,%f,%f);" % data) def addColorStop(self, href, pos, color): self.write("%s.addColorStop(%f, %s);" % (href, pos, color)) def getColor(self, rgb, alpha): return "'{}'".format(str(Color(rgb).to_rgba(alpha))) def setGradient(self, href): """ for stop in gstops: style = simplestyle.parseStyle(stop.get("style")) stop_color = style["stop-color"] opacity = style["stop-opacity"] color = self.getColor(stop_color, opacity) pos = float(stop.get("offset")) self.addColorStop(href, pos, color) """ return None # href def setOpacity(self, value): self.write("ctx.globalAlpha = %.1f;" % float(value)) def setFill(self, value): try: alpha = self.style["fill-opacity"] except: alpha = 1 if not value.startswith("url("): fill = self.getColor(value, alpha) self.write("ctx.fillStyle = %s;" % fill) def setStroke(self, value): try: alpha = self.style["stroke-opacity"] except: alpha = 1 self.write("ctx.strokeStyle = %s;" % self.getColor(value, alpha)) def setStrokeWidth(self, value): self.write("ctx.lineWidth = %f;" % self.parent.svg.unittouu(value)) def setStrokeLinecap(self, value): self.write("ctx.lineCap = '%s';" % value) def setStrokeLinejoin(self, value): self.write("ctx.lineJoin = '%s';" % value) def setStrokeMiterlimit(self, value): self.write("ctx.miterLimit = %s;" % value) def setFont(self, value): self.write("ctx.font = \"%s\";" % value) def moveTo(self, x, y): self.write("ctx.moveTo(%f, %f);" % (x, y)) def lineTo(self, x, y): self.write("ctx.lineTo(%f, %f);" % (x, y)) def quadraticCurveTo(self, cpx, cpy, x, y): data = (cpx, cpy, x, y) self.write("ctx.quadraticCurveTo(%f, %f, %f, %f);" % data) def bezierCurveTo(self, x1, y1, x2, y2, x, y): data = (x1, y1, x2, y2, x, y) self.write("ctx.bezierCurveTo(%f, %f, %f, %f, %f, %f);" % data) def rect(self, x, y, w, h, rx=0, ry=0): if rx or ry: # rounded rectangle, starts top-left anticlockwise self.moveTo(x, y + ry) self.lineTo(x, y + h - ry) self.quadraticCurveTo(x, y + h, x + rx, y + h) self.lineTo(x + w - rx, y + h) self.quadraticCurveTo(x + w, y + h, x + w, y + h - ry) self.lineTo(x + w, y + ry) self.quadraticCurveTo(x + w, y, x + w - rx, y) self.lineTo(x + rx, y) self.quadraticCurveTo(x, y, x, y + ry) else: self.write("ctx.rect(%f, %f, %f, %f);" % (x, y, w, h)) def arc(self, x, y, r, a1, a2, flag): data = (x, y, r, a1, a2, flag) self.write("ctx.arc(%f, %f, %f, %f, %.8f, %d);" % data) def fillText(self, text, x, y): self.write("ctx.fillText(\"%s\", %f, %f);" % (text, x, y)) def translate(self, cx, cy): self.write("ctx.translate(%f, %f);" % (cx, cy)) def rotate(self, angle): self.write("ctx.rotate(%f);" % angle) def scale(self, rx, ry): self.write("ctx.scale(%f, %f);" % (rx, ry)) def transform(self, m11, m12, m21, m22, dx, dy): data = (m11, m12, m21, m22, dx, dy) self.write("ctx.transform(%f, %f, %f, %f, %f, %f);" % data) def save(self): self.write("ctx.save();") def restore(self): self.write("ctx.restore();") def closePath(self): if "fill" in self.style and self.style["fill"] != "none": self.write("ctx.fill();") if "stroke" in self.style and self.style["stroke"] != "none": self.write("ctx.stroke();")