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latk_svg.py
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# Svg Importer
# ##### BEGIN GPL LICENSE BLOCK #####
#
# 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.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy
import re
import xml.dom.minidom
from math import cos, sin, tan, atan2, pi, ceil
from mathutils import Vector, Matrix
from . latk import *
from . latk_tools import *
from . latk_rw import *
# Copied and adopted from paths_svg2obj.py script for Blender 2.49 which is
# Copyright (c) jm soler juillet/novembre 2004-april 2009,
svgStyleList = []
SVGColors = {'aliceblue': (240, 248, 255),
'antiquewhite': (250, 235, 215),
'aqua': (0, 255, 255),
'aquamarine': (127, 255, 212),
'azure': (240, 255, 255),
'beige': (245, 245, 220),
'bisque': (255, 228, 196),
'black': (0, 0, 0),
'blanchedalmond': (255, 235, 205),
'blue': (0, 0, 255),
'blueviolet': (138, 43, 226),
'brown': (165, 42, 42),
'burlywood': (222, 184, 135),
'cadetblue': (95, 158, 160),
'chartreuse': (127, 255, 0),
'chocolate': (210, 105, 30),
'coral': (255, 127, 80),
'cornflowerblue': (100, 149, 237),
'cornsilk': (255, 248, 220),
'crimson': (220, 20, 60),
'cyan': (0, 255, 255),
'darkblue': (0, 0, 139),
'darkcyan': (0, 139, 139),
'darkgoldenrod': (184, 134, 11),
'darkgray': (169, 169, 169),
'darkgreen': (0, 100, 0),
'darkgrey': (169, 169, 169),
'darkkhaki': (189, 183, 107),
'darkmagenta': (139, 0, 139),
'darkolivegreen': (85, 107, 47),
'darkorange': (255, 140, 0),
'darkorchid': (153, 50, 204),
'darkred': (139, 0, 0),
'darksalmon': (233, 150, 122),
'darkseagreen': (143, 188, 143),
'darkslateblue': (72, 61, 139),
'darkslategray': (47, 79, 79),
'darkslategrey': (47, 79, 79),
'darkturquoise': (0, 206, 209),
'darkviolet': (148, 0, 211),
'deeppink': (255, 20, 147),
'deepskyblue': (0, 191, 255),
'dimgray': (105, 105, 105),
'dimgrey': (105, 105, 105),
'dodgerblue': (30, 144, 255),
'firebrick': (178, 34, 34),
'floralwhite': (255, 250, 240),
'forestgreen': (34, 139, 34),
'fuchsia': (255, 0, 255),
'gainsboro': (220, 220, 220),
'ghostwhite': (248, 248, 255),
'gold': (255, 215, 0),
'goldenrod': (218, 165, 32),
'gray': (128, 128, 128),
'grey': (128, 128, 128),
'green': (0, 128, 0),
'greenyellow': (173, 255, 47),
'honeydew': (240, 255, 240),
'hotpink': (255, 105, 180),
'indianred': (205, 92, 92),
'indigo': (75, 0, 130),
'ivory': (255, 255, 240),
'khaki': (240, 230, 140),
'lavender': (230, 230, 250),
'lavenderblush': (255, 240, 245),
'lawngreen': (124, 252, 0),
'lemonchiffon': (255, 250, 205),
'lightblue': (173, 216, 230),
'lightcoral': (240, 128, 128),
'lightcyan': (224, 255, 255),
'lightgoldenrodyellow': (250, 250, 210),
'lightgray': (211, 211, 211),
'lightgreen': (144, 238, 144),
'lightgrey': (211, 211, 211),
'lightpink': (255, 182, 193),
'lightsalmon': (255, 160, 122),
'lightseagreen': (32, 178, 170),
'lightskyblue': (135, 206, 250),
'lightslategray': (119, 136, 153),
'lightslategrey': (119, 136, 153),
'lightsteelblue': (176, 196, 222),
'lightyellow': (255, 255, 224),
'lime': (0, 255, 0),
'limegreen': (50, 205, 50),
'linen': (250, 240, 230),
'magenta': (255, 0, 255),
'maroon': (128, 0, 0),
'mediumaquamarine': (102, 205, 170),
'mediumblue': (0, 0, 205),
'mediumorchid': (186, 85, 211),
'mediumpurple': (147, 112, 219),
'mediumseagreen': (60, 179, 113),
'mediumslateblue': (123, 104, 238),
'mediumspringgreen': (0, 250, 154),
'mediumturquoise': (72, 209, 204),
'mediumvioletred': (199, 21, 133),
'midnightblue': (25, 25, 112),
'mintcream': (245, 255, 250),
'mistyrose': (255, 228, 225),
'moccasin': (255, 228, 181),
'navajowhite': (255, 222, 173),
'navy': (0, 0, 128),
'oldlace': (253, 245, 230),
'olive': (128, 128, 0),
'olivedrab': (107, 142, 35),
'orange': (255, 165, 0),
'orangered': (255, 69, 0),
'orchid': (218, 112, 214),
'palegoldenrod': (238, 232, 170),
'palegreen': (152, 251, 152),
'paleturquoise': (175, 238, 238),
'palevioletred': (219, 112, 147),
'papayawhip': (255, 239, 213),
'peachpuff': (255, 218, 185),
'peru': (205, 133, 63),
'pink': (255, 192, 203),
'plum': (221, 160, 221),
'powderblue': (176, 224, 230),
'purple': (128, 0, 128),
'red': (255, 0, 0),
'rosybrown': (188, 143, 143),
'royalblue': (65, 105, 225),
'saddlebrown': (139, 69, 19),
'salmon': (250, 128, 114),
'sandybrown': (244, 164, 96),
'seagreen': (46, 139, 87),
'seashell': (255, 245, 238),
'sienna': (160, 82, 45),
'silver': (192, 192, 192),
'skyblue': (135, 206, 235),
'slateblue': (106, 90, 205),
'slategray': (112, 128, 144),
'slategrey': (112, 128, 144),
'snow': (255, 250, 250),
'springgreen': (0, 255, 127),
'steelblue': (70, 130, 180),
'tan': (210, 180, 140),
'teal': (0, 128, 128),
'thistle': (216, 191, 216),
'tomato': (255, 99, 71),
'turquoise': (64, 224, 208),
'violet': (238, 130, 238),
'wheat': (245, 222, 179),
'white': (255, 255, 255),
'whitesmoke': (245, 245, 245),
'yellow': (255, 255, 0),
'yellowgreen': (154, 205, 50)}
#### Common utilities ####
# TODO: "em" and "ex" aren't actually supported
SVGUnits = {"": 1.0,
"px": 1.0,
"in": 90.0,
"mm": 90.0 / 25.4,
"cm": 90.0 / 2.54,
"pt": 1.25,
"pc": 15.0,
"em": 1.0,
"ex": 1.0,
"INVALID": 1.0, # some DocBook files contain this
}
SVGEmptyStyles = {'useFill': None,
'fill': None,
'useStroke': None,
'stroke': None}
def srgb_to_linearrgb(c):
if c < 0.04045:
return 0.0 if c < 0.0 else c * (1.0 / 12.92);
else:
return pow((c + 0.055) * (1.0 / 1.055), 2.4);
def SVGParseFloat(s, i=0):
"""
Parse first float value from string
Returns value as string
"""
start = i
n = len(s)
token = ''
# Skip leading whitespace characters
while i < n and (s[i].isspace() or s[i] == ','):
i += 1
if i == n:
return None, i
# Read sign
if s[i] == '-':
token += '-'
i += 1
elif s[i] == '+':
i += 1
# Read integer part
if s[i].isdigit():
while i < n and s[i].isdigit():
token += s[i]
i += 1
# Fractional part
if i < n and s[i] == '.':
token += '.'
i += 1
if s[i].isdigit():
while i < n and s[i].isdigit():
token += s[i]
i += 1
elif s[i].isspace() or s[i] == ',':
# Inkscape sometimes uses weird float format with missed
# fractional part after dot. Suppose zero fractional part
# for this case
pass
else:
raise Exception('Invalid float value near ' + s[start:start + 10])
# Degree
if i < n and (s[i] == 'e' or s[i] == 'E'):
token += s[i]
i += 1
if s[i] == '+' or s[i] == '-':
token += s[i]
i += 1
if s[i].isdigit():
while i < n and s[i].isdigit():
token += s[i]
i += 1
else:
raise Exception('Invalid float value near ' + s[start:start + 10])
return token, i
def SVGCreateCurve():
"""
Create new curve object to hold splines in
"""
cu = bpy.data.curves.new("Curve", 'CURVE')
obj = bpy.data.objects.new("Curve", cu)
bpy.context.scene.objects.link(obj)
return obj
def SVGFinishCurve():
"""
Finish curve creation
"""
pass
def SVGFlipHandle(x, y, x1, y1):
"""
Flip handle around base point
"""
x = x + (x - x1)
y = y + (y - y1)
return x, y
def SVGParseCoord(coord, size):
"""
Parse coordinate component to common basis
Needed to handle coordinates set in cm, mm, iches..
"""
token, last_char = SVGParseFloat(coord)
val = float(token)
unit = coord[last_char:].strip() # strip() in case there is a space
if unit == '%':
return float(size) / 100.0 * val
else:
return val * SVGUnits[unit]
return val
def SVGRectFromNode(node, context):
"""
Get display rectangle from node
"""
w = context['rect'][0]
h = context['rect'][1]
if node.getAttribute('viewBox'):
viewBox = node.getAttribute('viewBox').replace(',', ' ').split()
w = SVGParseCoord(viewBox[2], w)
h = SVGParseCoord(viewBox[3], h)
else:
if node.getAttribute('width'):
w = SVGParseCoord(node.getAttribute('width'), w)
if node.getAttribute('height'):
h = SVGParseCoord(node.getAttribute('height'), h)
return (w, h)
def SVGMatrixFromNode(node, context):
"""
Get transformation matrix from given node
"""
tagName = node.tagName.lower()
tags = ['svg:svg', 'svg:use', 'svg:symbol']
if tagName not in tags and 'svg:' + tagName not in tags:
return Matrix()
rect = context['rect']
has_user_coordinate = (len(context['rects']) > 1)
m = Matrix()
x = SVGParseCoord(node.getAttribute('x') or '0', rect[0])
y = SVGParseCoord(node.getAttribute('y') or '0', rect[1])
w = SVGParseCoord(node.getAttribute('width') or str(rect[0]), rect[0])
h = SVGParseCoord(node.getAttribute('height') or str(rect[1]), rect[1])
m = Matrix.Translation(Vector((x, y, 0.0)))
if has_user_coordinate:
if rect[0] != 0 and rect[1] != 0:
m = m * Matrix.Scale(w / rect[0], 4, Vector((1.0, 0.0, 0.0)))
m = m * Matrix.Scale(h / rect[1], 4, Vector((0.0, 1.0, 0.0)))
if node.getAttribute('viewBox'):
viewBox = node.getAttribute('viewBox').replace(',', ' ').split()
vx = SVGParseCoord(viewBox[0], w)
vy = SVGParseCoord(viewBox[1], h)
vw = SVGParseCoord(viewBox[2], w)
vh = SVGParseCoord(viewBox[3], h)
if vw == 0 or vh == 0:
return m
if has_user_coordinate or (w != 0 and h != 0):
sx = w / vw
sy = h / vh
scale = min(sx, sy)
else:
scale = 1.0
w = vw
h = vh
tx = (w - vw * scale) / 2
ty = (h - vh * scale) / 2
m = m * Matrix.Translation(Vector((tx, ty, 0.0)))
m = m * Matrix.Translation(Vector((-vx, -vy, 0.0)))
m = m * Matrix.Scale(scale, 4, Vector((1.0, 0.0, 0.0)))
m = m * Matrix.Scale(scale, 4, Vector((0.0, 1.0, 0.0)))
return m
def SVGParseTransform(transform):
"""
Parse transform string and return transformation matrix
"""
m = Matrix()
r = re.compile('\s*([A-z]+)\s*\((.*?)\)')
for match in r.finditer(transform):
func = match.group(1)
params = match.group(2)
params = params.replace(',', ' ').split()
proc = SVGTransforms.get(func)
if proc is None:
raise Exception('Unknown trasnform function: ' + func)
m = m * proc(params)
return m
def SVGGetMaterial(color, context):
"""
Get material for specified color
"""
materials = context['materials']
rgb_re = re.compile('^\s*rgb\s*\(\s*(\d+)\s*,\s*(\d+)\s*,(\d+)\s*\)\s*$')
if color in materials:
return materials[color]
diff = None
if color.startswith('#'):
color = color[1:]
if len(color) == 3:
color = color[0] * 2 + color[1] * 2 + color[2] * 2
diff = (int(color[0:2], 16), int(color[2:4], 16), int(color[4:6], 16))
elif color in SVGColors:
diff = SVGColors[color]
elif rgb_re.match(color):
c = rgb_re.findall(color)[0]
diff = (float(c[0]), float(c[1]), float(c[2]))
else:
return None
diffuse_color = ([x / 255.0 for x in diff])
if context['do_colormanage']:
diffuse_color[0] = srgb_to_linearrgb(diffuse_color[0])
diffuse_color[1] = srgb_to_linearrgb(diffuse_color[1])
diffuse_color[2] = srgb_to_linearrgb(diffuse_color[2])
mat = bpy.data.materials.new(name='SVGMat')
mat.diffuse_color = diffuse_color
mat.diffuse_intensity = 1.0
materials[color] = mat
return mat
def SVGTransformTranslate(params):
"""
translate SVG transform command
"""
tx = float(params[0])
ty = float(params[1]) if len(params) > 1 else 0.0
return Matrix.Translation(Vector((tx, ty, 0.0)))
def SVGTransformMatrix(params):
"""
matrix SVG transform command
"""
a = float(params[0])
b = float(params[1])
c = float(params[2])
d = float(params[3])
e = float(params[4])
f = float(params[5])
return Matrix(((a, c, 0.0, e),
(b, d, 0.0, f),
(0, 0, 1.0, 0),
(0, 0, 0.0, 1)))
def SVGTransformScale(params):
"""
scale SVG transform command
"""
sx = float(params[0])
sy = float(params[1]) if len(params) > 1 else sx
m = Matrix()
m = m * Matrix.Scale(sx, 4, Vector((1.0, 0.0, 0.0)))
m = m * Matrix.Scale(sy, 4, Vector((0.0, 1.0, 0.0)))
return m
def SVGTransformSkewX(params):
"""
skewX SVG transform command
"""
ang = float(params[0]) * pi / 180.0
return Matrix(((1.0, 0.0, 0.0),
(tan(ang), 1.0, 0.0),
(0.0, 0.0, 1.0))).to_4x4()
def SVGTransformSkewY(params):
"""
skewX SVG transform command
"""
ang = float(params[0]) * pi / 180.0
return Matrix(((1.0, tan(ang), 0.0),
(0.0, 1.0, 0.0),
(0.0, 0.0, 1.0))).to_4x4()
def SVGTransformRotate(params):
"""
skewX SVG transform command
"""
ang = float(params[0]) * pi / 180.0
cx = cy = 0.0
if len(params) >= 3:
cx = float(params[1])
cy = float(params[2])
tm = Matrix.Translation(Vector((cx, cy, 0.0)))
rm = Matrix.Rotation(ang, 4, Vector((0.0, 0.0, 1.0)))
return tm * rm * tm.inverted()
SVGTransforms = {'translate': SVGTransformTranslate,
'scale': SVGTransformScale,
'skewX': SVGTransformSkewX,
'skewY': SVGTransformSkewY,
'matrix': SVGTransformMatrix,
'rotate': SVGTransformRotate}
def SVGParseStyles(node, context):
"""
Parse node to get different styles for displaying geometries
(materilas, filling flags, etc..)
"""
styles = SVGEmptyStyles.copy()
style = node.getAttribute('style')
if style:
elems = style.split(';')
for elem in elems:
s = elem.split(':')
if len(s) < 2:
continue
name = s[0].strip().lower()
val = s[1].strip().lower()
if name == 'fill':
if val == 'none':
styles['useFill'] = False
else:
styles['useFill'] = True
styles['fill'] = SVGGetMaterial(val, context)
elif name == 'stroke':
if val == 'none':
styles['useStroke'] = False
else:
styles['useStroke'] = True
styles['stroke'] = SVGGetMaterial(val, context)
if len(s) < 4:
continue
name = s[2].strip().lower()
val = s[3].strip().lower()
if name == 'fill':
if val == 'none':
styles['useFill'] = False
else:
styles['useFill'] = True
styles['fill'] = SVGGetMaterial(val, context)
elif name == 'stroke':
if val == 'none':
styles['useStroke'] = False
else:
styles['useStroke'] = True
styles['stroke'] = SVGGetMaterial(val, context)
if styles['useFill'] is None:
styles['useFill'] = True
styles['fill'] = SVGGetMaterial('#000', context)
if styles['useStroke'] is None:
styles['useStroke'] = True
styles['stroke'] = SVGGetMaterial('#000', context)
return styles
if styles['useFill'] is None:
fill = node.getAttribute('fill')
if fill:
fill = fill.lower()
if fill == 'none':
styles['useFill'] = False
else:
styles['useFill'] = True
styles['fill'] = SVGGetMaterial(fill, context)
if styles['useStroke'] is None:
stroke = node.getAttribute('stroke')
if stroke:
stroke = stroke.lower()
if stroke == 'none':
styles['useStroke'] = False
else:
styles['useStroke'] = True
styles['stroke'] = SVGGetMaterial(stroke, context)
if styles['useFill'] is None and context['style']:
styles = context['style'].copy()
if styles['useStroke'] is None and context['style']:
styles = context['style'].copy()
if styles['useFill'] is None:
styles['useFill'] = True
styles['fill'] = SVGGetMaterial('#000', context)
if styles['useStroke'] is None:
styles['useStroke'] = True
styles['stroke'] = SVGGetMaterial('#000', context)
return styles
#### SVG path helpers ####
class SVGPathData:
"""
SVG Path data token supplier
"""
__slots__ = ('_data', # List of tokens
'_index', # Index of current token in tokens list
'_len') # Length of tokens list
def __init__(self, d):
"""
Initialize new path data supplier
d - the definition of the outline of a shape
"""
spaces = ' ,\t'
commands = {'m', 'l', 'h', 'v', 'c', 's', 'q', '', 't', 'a', 'z'}
tokens = []
i = 0
n = len(d)
while i < n:
c = d[i]
if c in spaces:
pass
elif c.lower() in commands:
tokens.append(c)
elif c in ['-', '.'] or c.isdigit():
token, last_char = SVGParseFloat(d, i)
tokens.append(token)
# in most cases len(token) and (last_char - i) are the same
# but with whitespace or ',' prefix they are not.
i += (last_char - i) - 1
i += 1
self._data = tokens
self._index = 0
self._len = len(tokens)
def eof(self):
"""
Check if end of data reached
"""
return self._index >= self._len
def cur(self):
"""
Return current token
"""
if self.eof():
return None
return self._data[self._index]
def lookupNext(self):
"""
get next token without moving pointer
"""
if self.eof():
return None
return self._data[self._index]
def next(self):
"""
Return current token and go to next one
"""
if self.eof():
return None
token = self._data[self._index]
self._index += 1
return token
def nextCoord(self):
"""
Return coordinate created from current token and move to next token
"""
token = self.next()
if token is None:
return None
return float(token)
class SVGPathParser:
"""
Parser of SVG path data
"""
__slots__ = ('_data', # Path data supplird
'_point', # Current point coorfinate
'_handle', # Last handle coordinate
'_splines', # List of all splies created during parsing
'_spline', # Currently handling spline
'_commands', # Hash of all supported path commands
'_use_fill', # Splines would be filled, so expected to be closed
)
def __init__(self, d, use_fill):
"""
Initialize path parser
d - the definition of the outline of a shape
"""
self._data = SVGPathData(d)
self._point = None # Current point
self._handle = None # Last handle
self._splines = [] # List of splines in path
self._spline = None # Current spline
self._use_fill = use_fill
self._commands = {'M': self._pathMoveTo,
'L': self._pathLineTo,
'H': self._pathLineTo,
'V': self._pathLineTo,
'C': self._pathCurveToCS,
'S': self._pathCurveToCS,
'Q': self._pathCurveToQT,
'T': self._pathCurveToQT,
'A': self._pathCurveToA,
'Z': self._pathClose,
'm': self._pathMoveTo,
'l': self._pathLineTo,
'h': self._pathLineTo,
'v': self._pathLineTo,
'c': self._pathCurveToCS,
's': self._pathCurveToCS,
'q': self._pathCurveToQT,
't': self._pathCurveToQT,
'a': self._pathCurveToA,
'z': self._pathClose}
def _getCoordPair(self, relative, point):
"""
Get next coordinate pair
"""
x = self._data.nextCoord()
y = self._data.nextCoord()
if relative and point is not None:
x += point[0]
y += point[1]
return x, y
def _appendPoint(self, x, y, handle_left=None, handle_left_type='VECTOR',
handle_right=None, handle_right_type='VECTOR'):
"""
Append point to spline
If there's no active spline, create one and set it's first point
to current point coordinate
"""
if self._spline is None:
self._spline = {'points': [],
'closed': False}
self._splines.append(self._spline)
if len(self._spline['points']) > 0:
# Not sure about specifications, but Illustrator could create
# last point at the same position, as start point (which was
# reached by MoveTo command) to set needed handle coords.
# It's also could use last point at last position to make path
# filled.
first = self._spline['points'][0]
if abs(first['x'] - x) < 1e-6 and abs(first['y'] - y) < 1e-6:
if handle_left is not None:
first['handle_left'] = handle_left
first['handle_left_type'] = 'FREE'
if handle_left_type != 'VECTOR':
first['handle_left_type'] = handle_left_type
if self._data.eof() or self._data.lookupNext().lower() == 'm':
self._spline['closed'] = True
return
last = self._spline['points'][-1]
if last['handle_right_type'] == 'VECTOR' and handle_left_type == 'FREE':
last['handle_right'] = (last['x'], last['y'])
last['handle_right_type'] = 'FREE'
point = {'x': x,
'y': y,
'handle_left': handle_left,
'handle_left_type': handle_left_type,
'handle_right': handle_right,
'handle_right_type': handle_right_type}
self._spline['points'].append(point)
def _updateHandle(self, handle=None, handle_type=None):
"""
Update right handle of previous point when adding new point to spline
"""
point = self._spline['points'][-1]
if handle_type is not None:
point['handle_right_type'] = handle_type
if handle is not None:
point['handle_right'] = handle
def _pathMoveTo(self, code):
"""
MoveTo path command
"""
relative = code.islower()
x, y = self._getCoordPair(relative, self._point)
self._spline = None # Flag to start new spline
self._point = (x, y)
cur = self._data.cur()
while cur is not None and not cur.isalpha():
x, y = self._getCoordPair(relative, self._point)
if self._spline is None:
self._appendPoint(self._point[0], self._point[1])
self._appendPoint(x, y)
self._point = (x, y)
cur = self._data.cur()
self._handle = None
def _pathLineTo(self, code):
"""
LineTo path command
"""
c = code.lower()
cur = self._data.cur()
while cur is not None and not cur.isalpha():
if c == 'l':
x, y = self._getCoordPair(code == 'l', self._point)
elif c == 'h':
x = self._data.nextCoord()
y = self._point[1]
else:
x = self._point[0]
y = self._data.nextCoord()
if code == 'h':
x += self._point[0]
elif code == 'v':
y += self._point[1]
if self._spline is None:
self._appendPoint(self._point[0], self._point[1])
self._appendPoint(x, y)
self._point = (x, y)
cur = self._data.cur()
self._handle = None
def _pathCurveToCS(self, code):
"""
Cubic BEZIER CurveTo path command
"""
c = code.lower()
cur = self._data.cur()
while cur is not None and not cur.isalpha():
if c == 'c':
x1, y1 = self._getCoordPair(code.islower(), self._point)
x2, y2 = self._getCoordPair(code.islower(), self._point)
else:
if self._handle is not None:
x1, y1 = SVGFlipHandle(self._point[0], self._point[1],
self._handle[0], self._handle[1])
else:
x1, y1 = self._point
x2, y2 = self._getCoordPair(code.islower(), self._point)
x, y = self._getCoordPair(code.islower(), self._point)
if self._spline is None:
self._appendPoint(self._point[0], self._point[1],
handle_left_type='FREE', handle_left=self._point,
handle_right_type='FREE', handle_right=(x1, y1))
else:
self._updateHandle(handle=(x1, y1), handle_type='FREE')
self._appendPoint(x, y,
handle_left_type='FREE', handle_left=(x2, y2),
handle_right_type='FREE', handle_right=(x, y))
self._point = (x, y)
self._handle = (x2, y2)
cur = self._data.cur()
def _pathCurveToQT(self, code):
"""
Qyadracic BEZIER CurveTo path command
"""
c = code.lower()
cur = self._data.cur()
while cur is not None and not cur.isalpha():
if c == 'q':
x1, y1 = self._getCoordPair(code.islower(), self._point)
else:
if self._handle is not None:
x1, y1 = SVGFlipHandle(self._point[0], self._point[1],
self._handle[0], self._handle[1])
else:
x1, y1 = self._point