Delete shapes.py.bak
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#!/usr/bin/env python
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import logging
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import traceback
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import xml.etree.ElementTree as ET
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import simplepath
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import simpletransform
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import cubicsuperpath
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import cspsubdiv
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from bezmisc import beziersplitatt
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class svgshape(object):
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def __init__(self, xml_node):
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self.xml_node = xml_node
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def d_path(self):
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raise NotImplementedError
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def transformation_matrix(self):
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t = self.xml_node.get('transform')
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return simpletransform.parseTransform(t) if t is not None else None
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def svg_path(self):
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return "<path d=\"" + self.d_path() + "\"/>"
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def __str__(self):
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return self.xml_node
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class path(svgshape):
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def __init__(self, xml_node):
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super(path, self).__init__(xml_node)
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if not self.xml_node == None:
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path_el = self.xml_node
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self.d = path_el.get('d')
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else:
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self.d = None
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logging.error("path: Unable to get the attributes for %s", self.xml_node)
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def d_path(self):
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return self.d
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class rect(svgshape):
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def __init__(self, xml_node):
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super(rect, self).__init__(xml_node)
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if not self.xml_node == None:
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rect_el = self.xml_node
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self.x = float(rect_el.get('x')) if rect_el.get('x') else 0
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self.y = float(rect_el.get('y')) if rect_el.get('y') else 0
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self.rx = float(rect_el.get('rx')) if rect_el.get('rx') else 0
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self.ry = float(rect_el.get('ry')) if rect_el.get('ry') else 0
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self.width = float(rect_el.get('width')) if rect_el.get('width') else 0
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self.height = float(rect_el.get('height')) if rect_el.get('height') else 0
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else:
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self.x = self.y = self.rx = self.ry = self.width = self.height = 0
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logging.error("rect: Unable to get the attributes for %s", self.xml_node)
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def d_path(self):
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a = list()
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a.append( ['M ', [self.x, self.y]] )
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a.append( [' l ', [self.width, 0]] )
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a.append( [' l ', [0, self.height]] )
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a.append( [' l ', [-self.width, 0]] )
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a.append( [' Z', []] )
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return simplepath.formatPath(a)
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class ellipse(svgshape):
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def __init__(self, xml_node):
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super(ellipse, self).__init__(xml_node)
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if not self.xml_node == None:
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ellipse_el = self.xml_node
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self.cx = float(ellipse_el.get('cx')) if ellipse_el.get('cx') else 0
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self.cy = float(ellipse_el.get('cy')) if ellipse_el.get('cy') else 0
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self.rx = float(ellipse_el.get('rx')) if ellipse_el.get('rx') else 0
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self.ry = float(ellipse_el.get('ry')) if ellipse_el.get('ry') else 0
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else:
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self.cx = self.cy = self.rx = self.ry = 0
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logging.error("ellipse: Unable to get the attributes for %s", self.xml_node)
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def d_path(self):
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x1 = self.cx - self.rx
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x2 = self.cx + self.rx
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p = 'M %f,%f ' % ( x1, self.cy ) + \
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'A %f,%f ' % ( self.rx, self.ry ) + \
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'0 1 0 %f,%f ' % ( x2, self.cy ) + \
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'A %f,%f ' % ( self.rx, self.ry ) + \
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'0 1 0 %f,%f' % ( x1, self.cy )
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return p
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class circle(ellipse):
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def __init__(self, xml_node):
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super(ellipse, self).__init__(xml_node)
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if not self.xml_node == None:
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circle_el = self.xml_node
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self.cx = float(circle_el.get('cx')) if circle_el.get('cx') else 0
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self.cy = float(circle_el.get('cy')) if circle_el.get('cy') else 0
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self.rx = float(circle_el.get('r')) if circle_el.get('r') else 0
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self.ry = self.rx
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else:
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self.cx = self.cy = self.r = 0
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logging.error("Circle: Unable to get the attributes for %s", self.xml_node)
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class line(svgshape):
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def __init__(self, xml_node):
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super(line, self).__init__(xml_node)
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if not self.xml_node == None:
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line_el = self.xml_node
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self.x1 = float(line_el.get('x1')) if line_el.get('x1') else 0
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self.y1 = float(line_el.get('y1')) if line_el.get('y1') else 0
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self.x2 = float(line_el.get('x2')) if line_el.get('x2') else 0
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self.y2 = float(line_el.get('y2')) if line_el.get('y2') else 0
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else:
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self.x1 = self.y1 = self.x2 = self.y2 = 0
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logging.error("line: Unable to get the attributes for %s", self.xml_node)
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def d_path(self):
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a = []
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a.append( ['M ', [self.x1, self.y1]] )
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a.append( ['L ', [self.x2, self.y2]] )
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return simplepath.formatPath(a)
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class polycommon(svgshape):
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def __init__(self, xml_node, polytype):
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super(polycommon, self).__init__(xml_node)
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self.points = list()
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if not self.xml_node == None:
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polycommon_el = self.xml_node
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points = polycommon_el.get('points') if polycommon_el.get('points') else list()
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for pa in points.split():
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self.points.append(pa)
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else:
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logging.error("polycommon: Unable to get the attributes for %s", self.xml_node)
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class polygon(polycommon):
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def __init__(self, xml_node):
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super(polygon, self).__init__(xml_node, 'polygon')
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def d_path(self):
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d = "M " + self.points[0]
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for i in range( 1, len(self.points) ):
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d += " L " + self.points[i]
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d += " Z"
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return d
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class polyline(polycommon):
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def __init__(self, xml_node):
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super(polyline, self).__init__(xml_node, 'polyline')
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def d_path(self):
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d = "M " + self.points[0]
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for i in range( 1, len(self.points) ):
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d += " L " + self.points[i]
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return d
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def point_generator(path, mat, flatness):
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if len(simplepath.parsePath(path)) == 0:
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return
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simple_path = simplepath.parsePath(path)
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startX,startY = float(simple_path[0][1][0]), float(simple_path[0][1][1])
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yield startX, startY
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p = cubicsuperpath.parsePath(path)
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if mat:
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simpletransform.applyTransformToPath(mat, p)
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for sp in p:
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cspsubdiv.subdiv( sp, flatness)
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for csp in sp:
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ctrl_pt1 = csp[0]
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ctrl_pt2 = csp[1]
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end_pt = csp[2]
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yield end_pt[0], end_pt[1],
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