def read_polyline(self, line):
readline = self.readline
tokenize = skread.tokenize_line
args = tokenize(line)
if len(args) != 15:
raise SketchLoadError('Invalid PolyLine specification')
sub_type, line_style, thickness, pen_color, fill_color, depth, \
pen_style, area_fill, style, join, cap, \
radius, forward_arrow, backward_arrow, npoints = args
self.fill(fill_color, area_fill)
self.line(pen_color, thickness, join, cap, line_style, style)
if forward_arrow: readline() # XXX: implement this
if backward_arrow: readline() # XXX: implement this
if sub_type == 5: readline() # imported picture
path = CreatePath()
ncoords = npoints * 2
pts = self.read_tokens(ncoords)
if not pts:
raise SketchLoadError('Missing points for polyline')
if len(pts) > ncoords:
del pts[ncoords:]
map(path.AppendLine, coords_to_points(pts, self.trafo))
if sub_type in (2, 3, 4):
path.load_close(1)
self.bezier(paths=path)
self.set_depth(depth)
def getStdConnLine(fromobj, toobj, cplist=()):
global tarrw1, tarrw2, tarrw3
#~ snAdct['ptfl_1'], # from (startpoint - moveto)
#~ snBdct['box'], # to (endpoint)
#~ # here optional arguments for 'in-between' points;
#~ # (ordered) tuple of dict, where key is command:
#~ # like in tikz:: '|' means along y , '-' means along x
#~ # (last {'-':-10}, is not needed - endpoint specifies it
#~ ({'-':10}, {'|':-20}, {'-':-30}, {'|':-40})
# for now, we expect that fromobj is always going to be a
# 'pointer' tf line; and to obj is going to be a box
connlineCol = SolidPattern(CreateRGBColor(0.3, 0.3, 0.3))
# retrieve start point - endpoint of fromobj ptf line
# get 2nd node (=segment 1) - in there, Point() is third in list ([2])
tmpep_start = fromobj.paths[0].Segment(1)[2]
# NOTE though: 'skpoint' object has only read-only attributes !! (cannot assign to .x)
# retrieve end point - the center left (west) point of the box of to obj:
#~ tmpep_end = toobj.bounding_rect.center()
#~ tmpep_end.x = toobj.bounding_rect.left
# there seems to be a 10 units padding for bounding_rect; (see below)
# compensate it
tobr = toobj.bounding_rect.grown(-10)
tmpep_end = Point(tobr.left, tobr.center().y)
# start drawing the line
tpath = CreatePath()
tpath.AppendLine(tmpep_start) # moveto
# are there any 'in-between' connection points ?
prevPoint = tmpep_start
nextPoint = tmpep_start
for ibcp in cplist:
axiscommand = ibcp.keys()[0]
moveval = ibcp[axiscommand]
if axiscommand == '-': # along x
#~ nextPoint.x = prevPoint.x + moveval
nextPoint = Point(prevPoint.x + moveval, prevPoint.y)
elif axiscommand == '|': # along y
#~ nextPoint.y = prevPoint.y + moveval
nextPoint = Point(prevPoint.x, prevPoint.y + moveval)
tpath.AppendLine(nextPoint) # moveto
prevPoint = nextPoint
tpath.AppendLine(tmpep_end) # lineto
tline = PolyBezier((tpath, ))
#~ tline.AddStyle(tbase_style) # of Graphics.properties (also in compound, document) - seems to add a 'layer' if dynamic; else seems to 'replace' ?!
tline.SetProperties(line_width=2.0,
line_pattern=connlineCol,
line_arrow2=tarrw2)
tline.update_rects()
return tline
def read_path(filename):
path = CreatePath()
paths = [path]
points = []
file = open(filename)
closed = 0
for line in file.readlines():
try:
key, rest = split(line, ':', 1)
except:
continue
if key == 'TYPE':
rest = lstrip(rest)
match = rx_point.match(rest)
if match is not None:
type = int(match.group('type'))
p = Point(float(match.group('x')), float(match.group('y')))
if type == BEZIER_MOVE:
if closed and points:
path.AppendBezier(points[0], points[1], path.Node(0))
path.ClosePath()
points = []
path = CreatePath()
paths.append(path)
path.AppendLine(p)
elif type == BEZIER_ANCHOR:
if path.len == 0:
path.AppendLine(p)
else:
if path.Node(-1) == points[0] and points[1] == p:
path.AppendLine(p)
else:
path.AppendBezier(points[0], points[1], p)
points = []
elif type == BEZIER_CONTROL:
points.append(p)
elif key == 'CLOSED':
closed = int(rest)
if closed and points:
if path.Node(-1) == points[0] and points[1] == path.Node(0):
path.AppendLine(path.Node(0))
else:
path.AppendBezier(points[0], points[1], path.Node(0))
path.ClosePath()
return tuple(paths)
def Polyline(self):
points = self.read_points(self.get_int16())
if points:
path = CreatePath()
map(path.AppendLine, points)
self.prop_stack.AddStyle(self.curstyle.Duplicate())
self.prop_stack.SetProperty(fill_pattern=EmptyPattern)
self.bezier((path, ))
def bezier(self):
if self.guess_continuity:
self.path.guess_continuity()
if self.path.len > 0:
if self.compound_path is not None:
self.compound_path.append(self.path)
else:
GenericLoader.bezier(self, paths=(self.path, ))
self.path = CreatePath()
def create_star_path(corners, outer_radius, inner_radius):
outer_radius = unit.convert(outer_radius)
inner_radius = unit.convert(inner_radius)
path = CreatePath()
angle = math.pi * 2 / corners
for i in range(corners):
path.AppendLine(Polar(outer_radius, angle * i))
path.AppendLine(Polar(inner_radius, angle * i + angle / 2))
path.AppendLine(path.Node(0))
path.ClosePath()
return path
def Polygon(self):
points = self.read_points(self.get_int16())
if points:
path = CreatePath()
map(path.AppendLine, points)
if path.Node(-1) != path.Node(0):
#print 'correct polygon'
path.AppendLine(path.Node(0))
path.load_close()
self.prop_stack.AddStyle(self.curstyle.Duplicate())
self.bezier((path, ))
def DISJTLINE(self, size):
path = ()
for i in range(size / (4 * reff.vdc.size)):
subpath = CreatePath()
P = self.Pnt()
subpath.AppendLine(self.trafo(P))
P = self.Pnt()
subpath.AppendLine(self.trafo(P))
path = path + (subpath, )
self.setlinestyle()
self.bezier(path)
def POLYGONSET(self, size):
path = ()
subpath = CreatePath()
for i in range(size / (2 * reff.vdc.size + 2)):
P = self.Pnt()
F = self.Enum()
subpath.AppendLine(self.trafo(P))
if F in (2, 3):
if subpath.Node(-1) != subpath.Node(0):
subpath.AppendLine(subpath.Node(0))
subpath.load_close()
path = path + (subpath, )
subpath = CreatePath()
if subpath.len != 0:
if subpath.Node(-1) != subpath.Node(0):
subpath.AppendLine(subpath.Node(0))
subpath.load_close()
path = path + (subpath, )
self.setfillstyle()
self.bezier(path)
def LineTo(self):
y, x = self.get_struct('<hh')
p = self.trafo(x, y)
self.prop_stack.AddStyle(self.curstyle.Duplicate())
self.prop_stack.SetProperty(fill_pattern=EmptyPattern)
path = CreatePath()
path.AppendLine(self.curpoint)
path.AppendLine(p)
self.bezier((path, ))
self.curpoint = p
self._print('->', self.curpoint)
def recompute(self):
path = CreatePath()
vertices = self.vertices
radius = self.radius
twopi = 2 * pi
halfpi = pi / 2
for i in range(vertices + 1):
path.AppendLine(Polar(radius, (twopi * i) / vertices + halfpi),
ContAngle)
path.ClosePath()
path.Transform(self.trafo)
if self.objects:
self.objects[0].SetPaths((path,))
else:
self.set_objects([PolyBezier((path,))])
def getQuickLine(tstart, tend): # expected tuple at input pstart = Point(tstart[0], tstart[1]) pend = Point(tend[0], tend[1]) tpath = CreatePath() # Note - apparently, the first appended point is "moveTo"; # .. the ubsequent ones being "LineTo" tpath.AppendLine(pstart) # moveto tpath.AppendLine(pend) # lineto tline = PolyBezier((tpath,)) tline.AddStyle(tbase_style) # of Graphics.properties (also in compound, document) - seems to add a 'layer' if dynamic; else seems to 'replace' ?! tline.SetProperties(line_pattern = SolidPattern(CreateRGBColor(0.7, 0.7, 0.9))) return tline
def __init__(self, path, closed = 0):
self.path = CreatePath()
self.head = Point(0,0)
if type(path) in (ListType, TupleType):
oldseg = None
for segment in path:
if len(segment) == 2:
if oldseg and oldseg[-2:] == segment:
self.head = Point(segment)
apply(self.path.AppendLine, segment)
else:
apply(self.path.AppendBezier, segment)
oldseg = segment
else:
self.path = path
if closed:
self.path.load_close()
def __init__(self,
file,
filename,
match,
treat_toplevel_groups_as_layers=1,
flatten_groups=1):
GenericLoader.__init__(self, file, filename, match)
self.line_color = StandardColors.black
self.fill_color = StandardColors.black
self.line_width = 0.0
self.line_join = const.JoinMiter
self.line_cap = const.CapButt
self.line_dashes = ()
self.cur_x = self.cur_y = 0.0
self.treat_toplevel_groups_as_layers = treat_toplevel_groups_as_layers
self.flatten_groups = flatten_groups
self.guess_continuity = 1
self.path = CreatePath()
self.compound_path = None # If compound_path is None, we're
# outside of a compound path,
# otherwise it's a possibly empty list
# of paths
self.compound_render = ''
self.stack = []
self.gradients = {}
self.in_gradient_instance = 0
self.gradient_geo = None # set to a true value after Bg, and set
# to false by make_gradient_pattern
self.gradient_rect = None
self.in_palette = 0
self.in_text = 0
self.ignore_fill = 0
self.text_type = 0 # 0: point text, 1: area text, 2 = path text
self.text_render = 0 # filled
self.text_font = None
self.text_size = 12
# Test alignment. Possible values: 0: left, 1: center, 2:right,
# 3: justified, 4: justified including last line
self.text_align = 0
self.text_string = []
self.standard_encoding = encoding.adobe_standard
self.font_map = {}
self.guides = []
self.format_version = 0.0
def convert_outline(outline):
paths = []
trafo = Scale(0.001)
for closed, sub in outline:
if closed:
sub.append(sub[0])
path = CreatePath()
paths.append(path)
for item in sub:
if len(item) == 2:
apply(path.AppendLine, item)
else:
apply(path.AppendBezier, item)
if closed:
path.load_close()
for path in paths:
path.Transform(trafo)
return tuple(paths)
def polyline(self, attrs):
if self.in_defs:
id = attrs.get('id', '')
if id:
self.named_objects[id] = ('object', 'polyline', attrs)
return
points = as_latin1(attrs['points'])
points = string.translate(points, commatospace)
points = split(points)
path = CreatePath()
point = self.point
for i in range(0, len(points), 2):
path.AppendLine(point(points[i], points[i + 1]))
style = attrs.get('style', '')
if style:
self.parse_style(style)
self.set_loader_style()
self.loader.bezier(paths=(path, ))
def PolyPolygon(self):
nr_of_polygons = self.get_int16()
nr_of_points = []
for i in range(nr_of_polygons):
nr_of_points.append(self.get_int16())
path = ()
for i in nr_of_points:
points = self.read_points(i)
if points:
subpath = CreatePath()
map(subpath.AppendLine, points)
if subpath.Node(-1) != subpath.Node(0):
subpath.AppendLine(subpath.Node(0))
subpath.load_close()
path = path + (subpath, )
if path:
self.prop_stack.AddStyle(self.curstyle.Duplicate())
self.bezier(path)
def bezier_load(self, line):
bezier = self.object
while 1:
try:
bezier.paths[-1].append_from_string(line)
line = bezier.paths[-1].append_from_file(self.file)
except:
warn(INTERNAL, _("Error reading line %s"), ` line `)
line = self.file.readline()
if line[:2] == 'bC':
bezier.paths[-1].load_close()
line = self.file.readline()
if line[:2] == 'bn':
bezier.paths = bezier.paths + (CreatePath(), )
line = self.file.readline()
else:
break
if line[:2] not in ('bs', 'bc'):
break
return line
def create_spiral_path(rotation, radius):
r = unit.convert(radius)
rate = r / (rotation * 2 * pi)
def tangent(phi, a=0.55197 * rate):
return a * Point(cos(phi) - phi * sin(phi), sin(phi) + phi * cos(phi))
pi2 = pi / 2.0
angle = 0
tang = tangent(0)
path = CreatePath()
p = Point(0, 0)
path.AppendLine(p)
for i in range(rotation * 4):
p1 = p + tang
angle = pi2 * (i + 1)
p = Polar(rate * angle, angle)
tang = tangent(angle)
p2 = p - tang
path.AppendBezier(p1, p2, p, ContSymmetrical)
return path
def recompute(self):
paths = []
trafo = self.trafo(Scale(self.size / float(char_scale)))
width = 0
for char in self.text:
segs = char_segs.get(char)
if segs is not None:
for seg in segs:
path = CreatePath()
map(path.AppendLine, segments[seg])
path.ClosePath()
path.Translate(width, 0)
path.Transform(trafo)
paths.append(path)
width = width + char_width
paths = tuple(paths)
if self.objects:
self.objects[0].SetPaths(paths)
else:
self.set_objects([PolyBezier(paths)])
def Path(self, size):
path = CreatePath()
for i in range(size / (2 * reff.vdc.size)):
path.AppendLine(self.trafo(self.Pnt()))
return path
def read_objects(self, objects):
n_objects = 0
# Traverse the list of drawfile object
for object in objects:
if isinstance(object, drawfile.group):
# Start a group object in the document
self.begin_group()
# Descend into the group
n_objects_lower = self.read_objects(object.objects)
# If the group was empty then don't try to end it
if n_objects_lower == 0:
# self.__pop()
(self.composite_class, self.composite_args,
self.composite_items,
self.composite_stack) = self.composite_stack
else:
# End group object
self.end_group()
n_objects = n_objects + 1
elif isinstance(object, drawfile.tagged):
# Tagged object
n_objects_lower = self.read_objects([object.object])
if n_objects_lower != 0:
n_objects = n_objects + 1
elif isinstance(object, drawfile.path):
# Path object
n_objects = n_objects + 1
# Set the path style
self.style.line_width = object.width / scale
if object.style['join'] == 'mitred':
self.style.line_join = const.JoinMiter
if object.style['start cap'] == 'butt':
self.style.line_cap = const.CapButt
elif object.style['start cap'] == 'round':
if object.width > 0:
width = 0.5
length = 0.5
else:
width = 0.0
length = 0.0
# Draw arrow
path = [(0.0, width),
(0.5 * length, width, length, 0.5 * width, length,
0.0),
(length, -0.5 * width, 0.5 * length, -width, 0.0,
-width), (0.0, width)]
self.style.line_arrow1 = Arrow(path, 1)
elif object.style['start cap'] == 'square':
if object.width > 0:
width = 0.5
length = 0.5
else:
width = 0.0
length = 0.0
# Draw arrow
path = [(0.0, width), (length, width), (length, -width),
(0.0, -width), (0.0, width)]
self.style.line_arrow1 = Arrow(path, 1)
elif object.style['start cap'] == 'triangular':
if object.width > 0:
width = object.style['triangle cap width'] / 16.0
length = object.style['triangle cap length'] / 16.0
else:
width = 0.0
length = 0.0
# Draw arrow
path = [(0.0, width), (length, 0.0), (0.0, -width),
(0.0, width)]
self.style.line_arrow1 = Arrow(path, 1)
if (object.width / scale) < 1.0:
self.style.line_arrow1.path.Transform(
Scale(object.width / scale, object.width / scale))
if object.style['end cap'] == 'butt':
self.style.line_cap = const.CapButt
elif object.style['end cap'] == 'round':
if object.width > 0:
width = 0.5
length = 0.5
else:
width = 0.0
length = 0.0
# Draw arrow
path = [(0.0, width),
(0.5 * length, width, length, 0.5 * width, length,
0.0),
(length, -0.5 * width, 0.5 * length, -width, 0.0,
-width), (0.0, width)]
self.style.line_arrow2 = Arrow(path, 1)
elif object.style['end cap'] == 'square':
if object.width > 0:
width = 0.5
length = 0.5
else:
width = 0.0
length = 0.0
# Draw arrow
path = [(0.0, width), (length, width), (length, -width),
(0.0, -width), (0.0, width)]
self.style.line_arrow2 = Arrow(path, 1)
elif object.style['end cap'] == 'triangular':
if object.width > 0:
width = object.style['triangle cap width'] / 16.0
length = object.style['triangle cap length'] / 16.0
else:
width = 0.0
length = 0.0
# Draw arrow
path = [(0.0, width), (length, 0.0), (0.0, -width),
(0.0, width)]
self.style.line_arrow2 = Arrow(path, 1)
if (object.width / scale) < 1.0:
self.style.line_arrow2.path.Transform(
Scale(object.width / scale, object.width / scale))
# Outline colour
if object.outline == [255, 255, 255, 255]:
self.style.line_pattern = EmptyPattern
else:
self.style.line_pattern = SolidPattern(
CreateRGBColor(
float(object.outline[1]) / 255.0,
float(object.outline[2]) / 255.0,
float(object.outline[3]) / 255.0))
# Fill colour
if object.fill == [255, 255, 255, 255]:
self.style.fill_pattern = EmptyPattern
else:
self.style.fill_pattern = SolidPattern(
CreateRGBColor(
float(object.fill[1]) / 255.0,
float(object.fill[2]) / 255.0,
float(object.fill[3]) / 255.0))
# Dash pattern
if object.style['dash pattern'] == 'present':
line_dashes = []
for n in object.pattern:
line_dashes.append(int(n / scale))
self.style.line_dashes = tuple(line_dashes)
# Create a list of path objects in the document
paths = []
path = None
# Examine the path elements
for element in object.path:
if element[0] == 'move':
x, y = self.relative(element[1][0], element[1][1])
# Add any previous path to the list
if path != None:
# path.load_close()
paths.append(path)
path = CreatePath()
path.AppendLine(x, y)
elif element[0] == 'draw':
x, y = self.relative(element[1][0], element[1][1])
path.AppendLine(x, y)
elif element[0] == 'bezier':
x1, y1 = self.relative(element[1][0], element[1][1])
x2, y2 = self.relative(element[2][0], element[2][1])
x, y = self.relative(element[3][0], element[3][1])
path.AppendBezier(x1, y1, x2, y2, x, y)
elif element[0] == 'close':
path.ClosePath()
elif element[0] == 'end':
# Should be the last object in the path
# path.load_close()
paths.append(path)
break
# Create a bezier object
if paths != []:
self.bezier(tuple(paths))
elif isinstance(object, drawfile.font_table):
# Font table
n_objects = n_objects + 1
# Set object level instance
self.font_table = object.font_table
elif isinstance(object, drawfile.text):
# Text object
n_objects = n_objects + 1
# Determine the font
if self.font_table.has_key(object.style):
self.style.font = RISCOSFont(self.font_table[object.style])
else:
self.style.font = GetFont('Times Roman')
# The size
self.style.font_size = object.size[0] / scale
# Outline colour
if object.background == [255, 255, 255, 255]:
self.style.line_pattern = EmptyPattern
else:
self.style.line_pattern = SolidPattern(
CreateRGBColor(
float(object.background[1]) / 255.0,
float(object.background[2]) / 255.0,
float(object.background[3]) / 255.0))
# Fill colour
if object.foreground == [255, 255, 255, 255]:
self.style.fill_pattern = EmptyPattern
else:
self.style.fill_pattern = SolidPattern(
CreateRGBColor(
float(object.foreground[1]) / 255.0,
float(object.foreground[2]) / 255.0,
float(object.foreground[3]) / 255.0))
# Transformation
if hasattr(object, 'transform'):
x, y = object.transform[4] / scale, object.transform[
5] / scale
ox, oy = self.relative(object.baseline[0],
object.baseline[1])
transform = Trafo(object.transform[0] / 65536.0,
object.transform[1] / 65536.0,
object.transform[2] / 65536.0,
object.transform[3] / 65536.0, ox + x,
oy + y)
else:
transform = Translation(
self.relative(object.baseline[0], object.baseline[1]))
# Write the text
self.simple_text(object.text, transform)
elif isinstance(object, drawfile.jpeg):
# JPEG object
n_objects = n_objects + 1
# Transformation matrix
x, y = self.relative(object.transform[4], object.transform[5])
# Scale the object using the dpi information available, noting
# that unlike Draw which uses 90 dpi, Sketch uses 72 dpi.
# (I assume this since 90 dpi Drawfile JPEG objects appear 1.25
# times larger in Sketch if no scaling is performed here.)
scale_x = (object.transform[0] / 65536.0) * (72.0 /
object.dpi_x)
scale_y = (object.transform[3] / 65536.0) * (72.0 /
object.dpi_y)
transform = Trafo(scale_x, object.transform[1] / 65536.0,
object.transform[2] / 65536.0, scale_y, x, y)
# Decode the JPEG image
image = Image.open(StringIO.StringIO(object.image))
# # Read dimensions of images in pixels
# width, height = image.size
#
# # Divide these by the dpi values to obtain the size of the
# # image in inches
# width, height = width/float(object.dpi_x), \
# height/float(object.dpi_y)
# image.load()
self.image(image, transform)
elif isinstance(object, drawfile.sprite):
# Sprite object
n_objects = n_objects + 1
# Transformation matrix
if hasattr(object, 'transform'):
x, y = self.relative(object.transform[4],
object.transform[5])
# Multiply the scale factor by that in the transformation matrix
scale_x = (object.transform[0]/65536.0) * \
(72.0 / object.sprite['dpi x'])
scale_y = (object.transform[3]/65536.0) * \
(72.0 / object.sprite['dpi y'])
transform = Trafo( scale_x,
(object.transform[1]/65536.0) * \
(72.0 / object.sprite['dpi y']),
(object.transform[2]/65536.0) * \
(72.0 / object.sprite['dpi x']),
scale_y,
x, y )
else:
x, y = self.relative(object.x1, object.y1)
# Draw scales the Sprite to fit in the object's
# bounding box. To do the same, we need to know the
# actual size of the Sprite
# In points:
# size_x = 72.0 * float(object.sprite['width']) / \
# object.sprite['dpi x']
# size_y = 72.0 * float(object.sprite['height']) / \
# object.sprite['dpi y']
#
# # Bounding box dimensions in points:
# bbox_width = (object.x2 - object.x1)/scale
# bbox_height = (object.y2 - object.y1)/scale
#
# # Scale factors
# scale_x = (bbox_width / size_x) * \
# (72.0 / object.sprite['dpi x'])
# scale_y = (bbox_height / size_y) * \
# (72.0 / object.sprite['dpi y'])
scale_x = (object.x2 - object.x1) / \
(scale * object.sprite['width'])
scale_y = (object.y2 - object.y1) / \
(scale * object.sprite['height'])
transform = Trafo(scale_x, 0.0, 0.0, scale_y, x, y)
# Create an Image object
image = Image.fromstring(
object.sprite['mode'],
(object.sprite['width'], object.sprite['height']),
object.sprite['image'])
self.image(image, transform)
elif isinstance(object, drawfile.options):
# Options object
n_objects = n_objects + 1
# Read page size
paper_size = object.options['paper size']
orientation = object.options['paper limits']
if paper_size in papersizes:
if orientation == 'landscape':
self.page_layout = pagelayout.PageLayout(
object.options['paper size'],
orientation=pagelayout.Landscape)
else:
self.page_layout = pagelayout.PageLayout(
object.options['paper size'],
orientation=pagelayout.Portrait)
if object.options['grid locking'] == 'on':
spacing = object.options['grid spacing']
if object.options['grid units'] == 'in':
spacing = spacing * 72.0
else:
spacing = spacing * 72.0 / 2.54
if object.options['grid shown'] == 'on':
visible = 1
else:
visible = 0
# self.begin_layer_class( GridLayer,
# (
# (0, 0, int(spacing), int(spacing)),
# visible,
# CreateRGBColor(0.0, 0.0, 0.0),
# _("Grid")
# ) )
# self.end_composite()
elif isinstance(object, drawfile.text_area):
# Text area
n_objects = n_objects + 1
# The text area object contains a number of columns.
self.columns = len(object.columns)
# Start in the first column and move to subsequent
# columns as required, unless the number is overidden
# by details in the text area.
self.column = 0
# The cursor position is initially undefined.
cursor = [None, None]
# The column margins
self.margin_offsets = [1.0, 1.0]
self.margins = [ (object.columns[self.column].x1 / scale) + \
self.margin_offsets[0],
(object.columns[self.column].x2 / scale) - \
self.margin_offsets[1] ]
# The column base
self.column_base = object.columns[self.column].y1 / scale
# Line and paragraph spacing
self.linespacing = 0.0
paragraph = 10.0
# Current font name and dimensions
font_name = ''
font_size = 0.0
font_width = 0.0
# Text colours
background = (255, 255, 255)
foreground = (0, 0, 0)
# Build lines (lists of words) until the column width
# is reached then write the line to the page.
line = []
width = 0.0
# Current text alignment
align = 'L'
# Last command to be executed
last_command = ''
# Execute the commands in the text area:
for command, args in object.commands:
if command == '!':
# Version number
# print 'Version number', args
pass
elif command == 'A':
# print 'Align:', args
# Write current line
self.ta_write_line(align, cursor, line, 0)
# Empty the line list
line = []
# Set the line width
width = 0.0
# Align text
align = args
# Start new line
cursor = self.ta_new_line(cursor, object,
self.linespacing)
elif command == 'B':
# print 'Background:', args
# Background colour
background = args
elif command == 'C':
# print 'Foreground:', args
# Foreground colour
foreground = args
elif command == 'D':
# print 'Columns:', args
# Number of columns
if self.column == 0 and cursor == [None, None]:
# Nothing rendered yet, so change number of columns
self.columns = args
elif command == 'F':
# print 'Define font:', args
# Define font (already defined in object.font_table)
pass
elif command == 'L':
# print 'Line spacing:', args
# Set line spacing
self.linespacing = args
elif command == 'M':
# print 'Margins:', args
# Change margins
self.margin_offsets = [args[0], args[1]]
self.margins = [
(object.columns[self.column].x1 / scale) + args[0],
(object.columns[self.column].x2 / scale) - args[1]
]
elif command == 'P':
# print 'Paragraph spacing:', args
# Change paragraph spacing
paragraph = args
elif command == 'U':
# print 'Underlining'
# Underlining
pass
elif command == 'V':
# print 'Vertical displacement'
# Vertical displacement
pass
elif command == '-':
# print 'Hyphen'
# Hyphen
pass
elif command == 'newl':
# print 'New line'
# New line
# Write current line
self.ta_write_line(align, cursor, line, 0)
# Start new line
cursor = self.ta_new_line(cursor, object,
self.linespacing)
# Can't position cursor?
if cursor == [None, None]:
break
# Empty the line list
line = []
# Set the line width
width = 0.0
elif command == 'para':
# print 'New paragraph'
# New paragraph
# Write current line
self.ta_write_line(align, cursor, line, 0)
# Start new line
if last_command != 'newl':
cursor = self.ta_new_line(
cursor, object, paragraph + self.linespacing)
else:
cursor = self.ta_new_line(cursor, object,
paragraph)
# Can't position cursor?
if cursor == [None, None]:
break
# Empty the line list
line = []
# Set the line width
width = 0.0
elif command == ';':
# print 'Comment:', args
# Comment
pass
elif command == 'font':
# print 'Use font:', args
# Font change
font_name, \
font_size, \
font_width = object.font_table[args]
# Select font
use_font = RISCOSFont(font_name)
# Move cursor to start of a line if the cursor is
# undefined
if cursor == [None, None]:
cursor[0] = self.margins[0]
cursor[1] = (object.columns[self.column].y2 /
scale) - font_size
# Set line spacing
self.linespacing = font_size
elif command == 'text':
# print args
# Text. Add it to the line, checking that the line
# remains within the margins.
text, space = self.make_safe(args[0]), args[1]
# Add the width of the text to the current total width
width = width + \
use_font.TextCoordBox(text, font_size)[2]
# print width, margins[1] - margins[0]
# Compare current total width with column width
while width > (self.margins[1] - self.margins[0]):
# First write any text on this line
if line != []:
# Width will exceed column width
# print 'Width will exceed column width'
# Write current line
self.ta_write_line(align, cursor, line, 1)
# Start new line
cursor = self.ta_new_line(
cursor, object, self.linespacing)
# Can't position cursor?
if cursor == [None, None]:
break
# Clear the list
line = []
# Reset the width
width = 0.0
# Now attempt to fit this word on the next line
width = use_font.TextCoordBox(text, font_size)[2]
br = len(text)
# Continue to try until the word fits, or none of it fits
while width > (self.margins[1] - self.margins[0]) \
and br > 0:
# Keep checking the size of the word
width = use_font.TextCoordBox(
text[:br], font_size)[2]
br = br - 1
if br == 0:
# Word couldn't fit in the column at all, so
# break out of this loop
break
elif br < len(text):
# Write the subword to the line
self.ta_write_line(
align, cursor,
[(text[:br], font_name,
font_size, font_width,
self.ta_set_colour(foreground),
self.ta_set_colour(background))], 0)
# Start new line
cursor = self.ta_new_line(
cursor, object, self.linespacing)
# Can't position cursor?
if cursor == [None, None]:
break
# keep the remaining text
text = text[br:]
# The width is just the width of this text
width = use_font.TextCoordBox(text,
font_size)[2]
# If the whole string fit onto the line then
# control will flow to the else clause which will
# append the text to the line list for next time.
else:
# The text fits within the margins so add the text
# to the line
line.append(
(text, font_name, font_size, font_width,
self.ta_set_colour(foreground),
self.ta_set_colour(background)))
# Also append any trailing space
if space != '':
line.append(
(space, font_name, font_size, font_width,
self.ta_set_colour(foreground),
self.ta_set_colour(background)))
width = width + \
use_font.TextCoordBox(
space, font_size)[2]
# Can't position cursor?
if cursor == [None, None]:
break
# Remember this command
last_command = command
# Render any remaining text
if line != [] and cursor != [None, None]:
# Write current line
self.ta_write_line(align, cursor, line, 0)
else:
pass
# Return the number of recognised objects
return n_objects
def main():
import Sketch
global doc
global tbase_style
Sketch.init_lib()
draw_printable = 1
draw_visible = 0
embed_fonts = 0
eps_for = util.get_real_username()
eps_date = util.current_date()
eps_title = None
rotate = 0
#doc = load.load_drawing('')
# from mainwindow.py: self.SetDocument(Document(create_layer = 1))
doc = Document(create_layer = 1)
# get font info first
Graphics.font.read_font_dirs()
# indicate start of coord system first
# coord system:: + goes upward / rightward
# from RectangleCreator: trafo = Trafo(off.x, 0, 0, off.y, end.x, end.y)
# actually, there 'end' seems to correspond to start (llc: lower left corner of rectangle) - and 'off' to the length extended in each direction (i.e. width, height - but can be negative) ; so instead of 'end' - calling it 'start'
start_x = 5
start_y = 5
off_x = -10
off_y = -10
trec = Rectangle(trafo = Trafo(off_x, 0, 0, off_y, start_x, start_y))
trec.update_rects()
doc.Insert(trec)
# from create_text.py
textfld = SimpleText(Translation(50, 50), "xyzzy")
textfld.SetProperties(fill_pattern = SolidPattern(StandardColors.green),
font = GetFont('Courier-Bold'),#('Times-Bold'),
font_size = 36)
#copy textfld
textfld2 = textfld.Duplicate()
textfld2.SetProperties(fill_pattern = SolidPattern(StandardColors.blue)) # change color only
# rotate textfld
angleDeg = 45
angleRad = pi*(angleDeg/180.0) # ensure float op - could use math.radians instead
textfld.Transform(Rotation(angleRad)) # Rotation(angle, center)
textfld.update_rects() # probably a good idea
# change textfld's text with the current width (that we see)
# get bounding box of text
a = textfld.properties
llx, lly, urx, ury = a.font.TextBoundingBox(textfld.text, a.font_size)
# calculate width - its of UNTRANSFORMED text
twidth = urx - llx
# insert this width as text in textbox now:
#~ textfld.text = str(twidth)
#~ textfld.update_rects() # probably a good idea - again
# get textfield as bezier
textbez = textfld.AsBezier()
#~ print textbez # returns Sketch.Graphics.group.Group; subclass of EditableCompound
# the bounding rectangle - from Compound (type is Rect):
textbez_bRect = textbez.bounding_rect
# calc width now
t2width = textbez_bRect.right - textbez_bRect.left
# insert this width as text in textbox now:
textfld.text = str(t2width)
textfld.update_rects() # probably a good idea - again
#~ doc.Insert(textfld)
# create a line
# using create_spiral.py technique below (see syntax note #(A1))
tpath = CreatePath()
# Note - apparently, the first appended point is "moveTo";
# .. the ubsequent ones being "LineTo"
tp = Point(textbez_bRect.left,textbez_bRect.bottom)
tpath.AppendLine(tp) # moveto
tp = Point(textbez_bRect.left,textbez_bRect.top)
tpath.AppendLine(tp) # lineto
tp = Point(textbez_bRect.right,textbez_bRect.top)
tpath.AppendLine(tp) # lineto
tp = Point(textbez_bRect.right,textbez_bRect.bottom)
tpath.AppendLine(tp) # lineto
tline = PolyBezier((tpath,))
tline.AddStyle(tbase_style) # of Graphics.properties (also in compound, document) - seems to add a 'layer' if dynamic; else seems to 'replace' ?!
#~ doc.Insert(tline)
# group tline and textfld ...
# footprints.py has Group(foot_prints = [])
tgrp = Group([textfld, textfld2, tline])
tgrp.update_rects()
doc.Insert(tgrp)
# add a box.. around textfld2
# use radius1, radius2 != 0 AND 1 (logarithmic) to get RoundedRectangle (best between 0.0 and 1.0)
tfbr = textfld2.bounding_rect
start_x = tfbr.left
start_y = tfbr.bottom
off_x = tfbr.right - tfbr.left
off_y = tfbr.top - tfbr.bottom
twid = abs(off_x - start_x)
thei = abs(off_y - start_y)
radfact = 1.2*twid/thei
tradius = 0.05 # if we want to specify a single one, then the actual look will depend on the dimesions of the rectangle - so must 'smooth' it with radfact...
trec = Rectangle(trafo = Trafo(off_x, 0, 0, off_y, start_x, start_y), radius1 = tradius, radius2 = tradius*radfact)
trec.update_rects()
doc.Insert(trec)
# add another box - any where
start_x = 100.0
start_y = 100.0
off_x = 50.0
off_y = 50.0
trec2 = Rectangle(trafo = Trafo(off_x, 0, 0, off_y, start_x, start_y))
trec2.update_rects()
doc.Insert(trec2)
# try change props post insert - OK
trec2.SetProperties(fill_pattern = SolidPattern(StandardColors.yellow), line_width = 2.0, line_pattern = SolidPattern(CreateRGBColor(0.5, 0.5, 0.7)))
# try move the group as a whole (Translate - syntax: spread.py)
# say, align the right edge of tline to left edge of trec2 (x direction)
# NOTE: group does not define own .AsBezier(self);
# but it has tgrp.bounding_rect (although python doesn't show it in dir(tgrp))
# also there is Rectangle.bounding_rect
# NOTE though - it seems bounding_rect is somehow padded, with (at least) 10 units in each direction! (also, bounding rect of line will include the arrow)
xmove = (trec2.bounding_rect.left+10)-(tline.bounding_rect.right-10)
#~ print xmove, trec2.bounding_rect.left, tline.bounding_rect.right
tgrp.Translate(Point(xmove, 0))
tgrp.update_rects()
# add temporary line to indicate bounding boxes
# and effect of padding (may cover the very first trec)
tmpbr = trec2.bounding_rect
doc.Insert(
getQuickLine(
(0,0),
(trec2.bounding_rect.left+10, tline.bounding_rect.top-10)
)
)
# end of draw - generate output file
filename = ''
psfile = 'vectorout.ps'
sk2ps(filename, psfile, printable= draw_printable, visible = draw_visible,
For = eps_for, CreationDate = eps_date, Title = eps_title,
rotate = rotate, embed_fonts = embed_fonts)
def average_points(context):
# find a bezier polygon selected
selection = []
for object in context.document.SelectedObjects():
if not object.is_Bezier:
continue
selection.append(object)
if len(selection) != 1:
context.application.MessageBox(title="Average Points",
message="Select one polygon.")
return None
# count selected points
object = selection[0]
object_paths = object.Paths()
npoints = 0
for path in object_paths:
for i in range(path.len):
if path.SegmentSelected(i):
npoints = npoints + 1
if npoints == 0:
context.application.MessageBox(title="Average Points",
message="Select two or more points.")
return None
# inquiry parameters
which = AverageDialog(context.application.root).RunDialog()
if which is None:
return None
# compute average coordinates of the selected points
ax = 0
ay = 0
modified_paths = []
for path in object_paths:
modified_paths.append([])
for i in range(path.len):
type, controls, point, cont = path.Segment(i)
modified_paths[-1].append([type, list(controls), point, cont])
if path.SegmentSelected(i):
ax = ax + point.x
ay = ay + point.y
ax = float(ax) / npoints
ay = float(ay) / npoints
# translate the selected points
for i in range(len(object_paths)):
path = object_paths[i]
new_path = modified_paths[i]
for j in range(path.len):
if path.SegmentSelected(j):
point = new_path[j][2]
if which == AVERAGE_X:
new_point = Point(ax, point.y)
elif which == AVERAGE_Y:
new_point = Point(point.x, ay)
else:
new_point = Point(ax, ay)
new_path[j][2] = new_point
offset = point - new_point
if len(new_path[j][1]) == 2:
new_path[j][1][1] = new_path[j][1][1] - offset
if j < path.len - 1 and len(new_path[j + 1][1]) == 2:
new_path[j + 1][1][0] = new_path[j + 1][1][0] - offset
# create new paths
new_paths = []
for i in range(len(object_paths)):
path = object_paths[i]
new_path = CreatePath()
for type, controls, point, cont in modified_paths[i]:
new_path.AppendSegment(type, tuple(controls), point, cont)
if path.closed:
new_path.AppendLine(new_path.Node(0))
new_path.ClosePath()
new_paths.append(new_path)
# set the new paths
undo = object.SetPaths(new_paths)
# return Undo info
return undo
def read_spline(self, line):
readline = self.readline
tokenize = skread.tokenize_line
args = tokenize(line)
if len(args) != 13:
raise SketchLoadError('Invalid Spline specification')
sub_type, line_style, thickness, pen_color, fill_color, depth, \
pen_style, area_fill, style, cap, \
forward_arrow, backward_arrow, npoints = args
closed = sub_type & 1
if forward_arrow: readline()
if backward_arrow: readline()
# in 3.2 all splines are stored as x-splines...
if self.format_version == 3.2:
if sub_type in (0, 2):
sub_type = 4
else:
sub_type = 5
self.fill(fill_color, area_fill)
self.line(pen_color, thickness, 0, cap, line_style, style)
ncoords = npoints * 2
pts = self.read_tokens(ncoords)
if not pts:
raise SketchLoadError('Missing points for spline')
if len(pts) > ncoords:
del pts[ncoords:]
pts = coords_to_points(pts, self.trafo)
path = CreatePath()
if sub_type in (2, 3):
# interpolated spline, read 2 control points for each node
ncontrols = 4 * npoints
controls = self.read_tokens(ncontrols)
if not controls:
raise SketchLoadError('Missing control points for spline')
if len(controls) > ncontrols:
del controls[ncontrols:]
controls = coords_to_points(controls[2:-2], self.trafo)
path.AppendLine(pts[0])
ncontrols = 2 * (npoints - 1)
controls = [controls] * (npoints - 1)
map(path.AppendBezier,
map(getitem, controls, range(0, ncontrols, 2)),
map(getitem, controls, range(1, ncontrols, 2)), pts[1:])
elif sub_type in (0, 1):
# approximated spline
f13 = 1.0 / 3.0
f23 = 2.0 / 3.0
curve = path.AppendBezier
straight = path.AppendLine
last = pts[0]
cur = pts[1]
start = node = (last + cur) / 2
if closed:
straight(node)
else:
straight(last)
straight(node)
last = cur
for cur in pts[2:]:
c1 = f13 * node + f23 * last
node = (last + cur) / 2
c2 = f13 * node + f23 * last
curve(c1, c2, node)
last = cur
if closed:
curve(f13 * node + f23 * last, f13 * start + f23 * last, start)
else:
straight(last)
elif sub_type in (4, 5):
# An X-spline. Treat it like a polyline for now.
# read and discard the control info
self.read_tokens(npoints)
self.add_message(_("X-Spline treated as PolyLine"))
map(path.AppendLine, pts)
if closed:
path.AppendLine(path.Node(0))
if closed:
path.load_close(1)
self.bezier(paths=path)
self.set_depth(depth)
def parse_path(self, str):
paths = self.paths
path = self.path
trafo = self.trafo
str = strip(string.translate(as_latin1(str), commatospace))
last_quad = None
last_cmd = cmd = None
f13 = 1.0 / 3.0
f23 = 2.0 / 3.0
#print '*', str
while 1:
match = rx_command.match(str)
#print match
if match:
last_cmd = cmd
cmd = str[0]
str = str[match.end():]
#print '*', str
points = match.group(1)
#print '**', points
if points:
# use tokenize_line to parse the arguments so that
# we deal with signed numbers following another
# number without intervening whitespace other
# characters properls.
# FIXME: tokenize_line works but is not the best way
# to do it because it accepts input that wouldn't be
# valid here.
points = filter(operator.isNumberType,
skread.tokenize_line(points))
#print cmd, points
if cmd in 'mM':
path = CreatePath()
paths.append(path)
if cmd == 'M' or len(paths) == 1:
path.AppendLine(trafo(points[0], points[1]))
else:
p = trafo.DTransform(points[0], points[1])
path.AppendLine(paths[-2].Node(-1) + p)
if len(points) > 2:
if cmd == 'm':
for i in range(2, len(points), 2):
p = trafo.DTransform(points[i], points[i + 1])
path.AppendLine(path.Node(-1) + p)
else:
for i in range(2, len(points), 2):
path.AppendLine(trafo(points[i],
points[i + 1]))
elif cmd == 'l':
for i in range(0, len(points), 2):
p = trafo.DTransform(points[i], points[i + 1])
path.AppendLine(path.Node(-1) + p)
elif cmd == 'L':
for i in range(0, len(points), 2):
path.AppendLine(trafo(points[i], points[i + 1]))
elif cmd == 'H':
for num in points:
path.AppendLine(Point(num, path.Node(-1).y))
elif cmd == 'h':
for num in points:
x, y = path.Node(-1)
dx, dy = trafo.DTransform(num, 0)
path.AppendLine(Point(x + dx, y + dy))
elif cmd == 'V':
for num in points:
path.AppendLine(Point(path.Node(-1).x, num))
elif cmd == 'v':
for num in points:
x, y = path.Node(-1)
dx, dy = trafo.DTransform(0, num)
path.AppendLine(Point(x + dx, y + dy))
elif cmd == 'C':
if len(points) % 6 != 0:
self.loader.add_message("number of parameters of 'C'"\
"must be multiple of 6")
else:
for i in range(0, len(points), 6):
p1 = trafo(points[i], points[i + 1])
p2 = trafo(points[i + 2], points[i + 3])
p3 = trafo(points[i + 4], points[i + 5])
path.AppendBezier(p1, p2, p3)
elif cmd == 'c':
if len(points) % 6 != 0:
self.loader.add_message("number of parameters of 'c'"\
"must be multiple of 6")
else:
for i in range(0, len(points), 6):
p = path.Node(-1)
p1 = p + trafo.DTransform(points[i], points[i + 1])
p2 = p + trafo.DTransform(points[i + 2],
points[i + 3])
p3 = p + trafo.DTransform(points[i + 4],
points[i + 5])
path.AppendBezier(p1, p2, p3)
elif cmd == 'S':
if len(points) % 4 != 0:
self.loader.add_message("number of parameters of 'S'"\
"must be multiple of 4")
else:
for i in range(0, len(points), 4):
type, controls, p, cont = path.Segment(-1)
if type == Bezier:
q = controls[1]
else:
q = p
p1 = 2 * p - q
p2 = trafo(points[i], points[i + 1])
p3 = trafo(points[i + 2], points[i + 3])
path.AppendBezier(p1, p2, p3)
elif cmd == 's':
if len(points) % 4 != 0:
self.loader.add_message("number of parameters of 's'"\
"must be multiple of 4")
else:
for i in range(0, len(points), 4):
type, controls, p, cont = path.Segment(-1)
if type == Bezier:
q = controls[1]
else:
q = p
p1 = 2 * p - q
p2 = p + trafo.DTransform(points[i], points[i + 1])
p3 = p + trafo.DTransform(points[i + 2],
points[i + 3])
path.AppendBezier(p1, p2, p3)
elif cmd == 'Q':
if len(points) % 4 != 0:
self.loader.add_message("number of parameters of 'Q'"\
"must be multiple of 4")
else:
for i in range(0, len(points), 4):
q = trafo(points[i], points[i + 1])
p3 = trafo(points[i + 2], points[i + 3])
p1 = f13 * path.Node(-1) + f23 * q
p2 = f13 * p3 + f23 * q
path.AppendBezier(p1, p2, p3)
last_quad = q
elif cmd == 'q':
if len(points) % 4 != 0:
self.loader.add_message("number of parameters of 'q'"\
"must be multiple of 4")
else:
for i in range(0, len(points), 4):
p = path.Node(-1)
q = p + trafo.DTransform(points[i], points[i + 1])
p3 = p + trafo.DTransform(points[i + 2],
points[i + 3])
p1 = f13 * p + f23 * q
p2 = f13 * p3 + f23 * q
path.AppendBezier(p1, p2, p3)
last_quad = q
elif cmd == 'T':
if len(points) % 2 != 0:
self.loader.add_message("number of parameters of 'T'"\
"must be multiple of 4")
else:
if last_cmd not in 'QqTt' or last_quad is None:
last_quad = path.Node(-1)
for i in range(0, len(points), 2):
p = path.Node(-1)
q = 2 * p - last_quad
p3 = trafo(points[i], points[i + 1])
p1 = f13 * p + f23 * q
p2 = f13 * p3 + f23 * q
path.AppendBezier(p1, p2, p3)
last_quad = q
elif cmd == 't':
if len(points) % 2 != 0:
self.loader.add_message("number of parameters of 't'"\
"must be multiple of 4")
else:
if last_cmd not in 'QqTt' or last_quad is None:
last_quad = path.Node(-1)
for i in range(0, len(points), 2):
p = path.Node(-1)
q = 2 * p - last_quad
p3 = p + trafo.DTransform(points[i], points[i + 1])
p1 = f13 * p + f23 * q
p2 = f13 * p3 + f23 * q
path.AppendBezier(p1, p2, p3)
last_quad = q
elif cmd in 'zZ':
path.AppendLine(path.Node(0))
path.ClosePath()
else:
break
self.path = path
