def __init__(self, file, pathname, options):
self.file = file
self.pathname = pathname
self.options = options
self.white = CreateRGBColor(1.0, 1.0, 1.0)
self.black = CreateRGBColor(0.0, 0.0, 0.0)
self.Msg = Warnings()
def gradient_stop(self, color_style, mid_point, ramp_point):
if color_style == 0:
# gray scale
k = self.pop()
color = CreateRGBColor(k, k, k)
elif color_style == 1:
# CMYK
color = apply(CreateCMYKColor, tuple(self.pop_multi(4)))
elif color_style == 2:
# RGB Color
args = tuple(self.pop_multi(7))
# The cmyk and rgb values usually differ slightly because AI
# does some color correction. Which values should we choose
# here?
color = apply(CreateRGBColor, args[-3:])
color = apply(CreateCMYKColor, args[:4])
elif color_style == 3:
# CMYK Custom Color
args = self.pop_multi(6)
color = apply(CreateCMYKColor, tuple(args[:4]))
else:
self.add_message(
_("Gradient ColorStyle %d not yet supported."
"substituted black") % color_style)
if color_style == 4:
n = 10
else:
self.add_message(_("Unknown ColorStyle %d") % color_style)
self.pop_multi(n)
color = StandardColors.black # XXX
#color = apply(CreateRGBColor, color)
self.stack.append((ramp_point / 100.0, color))
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 CreateBrushIndirect(self):
style, r, g, b, hatch = self.get_struct('<hBBBxh')
if style == 1:
pattern = EmptyPattern
else:
pattern = SolidPattern(
CreateRGBColor(r / 255.0, g / 255.0, b / 255.0))
self.add_gdiobject((('fill_pattern', pattern), ))
self._print('->', style, r, g, b, hatch)
def ta_set_colour(self, colour):
if tuple(colour) == (255, 255, 255):
return EmptyPattern
else:
return SolidPattern(
CreateRGBColor(
float(colour[0]) / 255.0,
float(colour[1]) / 255.0,
float(colour[2]) / 255.0))
def begin_ai_layer(self):
if self.format_version >= 4.0:
visible, preview, enabled, printing, dimmed, unused, has_mlm,\
color, red, green, blue, unused, unused = self.pop_multi(13)
else:
visible, preview, enabled, printing, dimmed, has_mlm, \
color, red, green, blue = self.pop_multi(10)
color = CreateRGBColor(red / 255.0, green / 255.0, blue / 255.0)
self.layer_kw_args = {
'printable': printing,
'visible': visible,
'locked': not enabled,
'outline_color': color
}
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 CreatePenIndirect(self):
style, widthx, widthy, r, g, b = self.get_struct('<hhhBBBx')
cap = (style & 0x0F00) >> 8
join = (style & 0x00F0) >> 4
style = style & 0x000F
if style == 5:
pattern = EmptyPattern
else:
pattern = SolidPattern(
CreateRGBColor(r / 255.0, g / 255.0, b / 255.0))
width = abs(widthx * self.trafo.m11)
self.add_gdiobject(((
'line_pattern',
pattern,
), ('line_width', width)))
self._print('->', style, widthx, widthy, r, g, b, cap, join)
def csscolor(str):
str = strip(str)
if str[0] == '#':
if len(str) == 7:
r = atoi(str[1:3], 16) / 255.0
g = atoi(str[3:5], 16) / 255.0
b = atoi(str[5:7], 16) / 255.0
elif len(str) == 4:
# According to the CSS rules a single HEX digit is to be
# treated as a repetition of the digit, so that for a digit
# d the value is (16 * d + d) / 255.0 which is equal to d / 15.0
r = atoi(str[1], 16) / 15.0
g = atoi(str[2], 16) / 15.0
b = atoi(str[3], 16) / 15.0
color = CreateRGBColor(r, g, b)
elif namedcolors.has_key(str):
color = namedcolors[str]
else:
color = StandardColors.black
return color
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 set_fill_gray(self, k):
self.fill_color = CreateRGBColor(k, k, k)
def set_line_rgb(self, r, g, b):
self.line_color = CreateRGBColor(r, g, b)
def set_line_gray(self, k):
self.line_color = CreateRGBColor(k, k, k)
def rgb_custom_color(r, g, b, t):
t = 1.0 - t
return CreateRGBColor(1 - (t * (1 - r)), 1 - (t * (1 - g)),
1 - (t * (1 - b)))
def rgb_component_changed(self, *rest):
self.color_changed(
CreateRGBColor(self.var4.get() / 255.0,
self.var5.get() / 255.0,
self.var6.get() / 255.0))
def set_fill_rgb(self, r, g, b):
self.fill_color = CreateRGBColor(r, g, b)
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 getStructBoxnode(inlabel, plist, vlist):
global courfont
global tarrw1, tarrw2, tarrw3
pvfnsz = 12 # font size for pointers/vars
# here we'll also generate a dict of all graphic objects
# global 'id' is not needed - it will be a part of a tuple, along with master group
sbdict = {}
## pointers - horizontal
yoff = 0
ypad = 2
lastcharpad = pvfnsz # so the arrow dont overlap with last char
xoutermost = 0 # to get the longest arrow (so we use it to make arrows same length)
point_tflist = [] # list of actual textfield objects
tcount = 0
for iptxt in plist:
textfld = SimpleText(Translation(0, yoff), iptxt)
textfld.SetProperties(font=courfont, font_size=pvfnsz)
textfld.update_rects()
sbdict['ptf_' + str(tcount)] = textfld
# add connector line
tfbr = textfld.bounding_rect
tfline = getQuickLine((tfbr.left, tfbr.bottom),
(tfbr.right + lastcharpad, tfbr.bottom))
tfline.SetProperties(line_width=2.0,
line_arrow1=tarrw1,
line_arrow2=tarrw2)
tfline.update_rects()
sbdict['ptfl_' + str(tcount)] = tfline
if tfbr.right + lastcharpad > xoutermost:
xoutermost = tfbr.right + lastcharpad
# group line and text
tgrp = Group([tfline, textfld])
tgrp.update_rects()
sbdict['ptfg_' + str(tcount)] = tgrp
# add the group - not just textfld - to list here
point_tflist.append(tgrp)
# get height - calc next offset; yoff will go negative, but nvm (will group and move)
# don't use tgrp's BB, its too high
llx, lly, urx, ury = textfld.bounding_rect # /tgrp. /getTfBB(textfld)
tfHeight = ury - lly
yoff -= tfHeight + ypad
tcount += 1
# done - now resize all the arrows according to xoutermost,
# so they are same length
# SetLine(i, x, y[, cont]) "Replace the ith segment by a line segment"
# where the i-th segment is the node..
for tgrp in point_tflist: # loop (in a list)
tfline = tgrp.objects[
0] # access Group (sub)object - tfline is first [0]
# get 2nd node (=segment 1) - in there, Point() is third in list ([2])
tmpep = tfline.paths[0].Segment(1)[2]
# change 2nd node (=segment 1) of the (first) path (paths[0])
tfline.paths[0].SetLine(1, (xoutermost, tmpep.y))
tfline.update_rects()
tgrp.update_rects()
# finally, group all these
point_group = Group(point_tflist) # accepts list directly
point_group.update_rects()
sbdict['ptg'] = point_group
## variables - vertical (so, rotate group afterwards)
yoff = 0
ypad = 2
lastcharpad = 1 # pvfnsz /so the arrow dont overlap with last char
xoutermost = 0 # to get the longest arrow (so we use it to make arrows same length)
varbl_tflist = [] # list of actual textfield objects
tcount = 0
havevars = len(vlist) # could be zero!
for ivtxt in vlist:
textfld = SimpleText(Translation(0, yoff), ivtxt)
textfld.SetProperties(font=courfont, font_size=pvfnsz)
textfld.update_rects()
sbdict['vtf_' + str(tcount)] = textfld
# add connector line
tfbr = textfld.bounding_rect
tfline = getQuickLine((tfbr.left, tfbr.bottom),
(tfbr.right + lastcharpad, tfbr.bottom))
tfline.SetProperties(line_width=2.0,
line_arrow1=tarrw1,
line_arrow2=tarrw3)
tfline.update_rects()
sbdict['vtfl_' + str(tcount)] = tfline
if tfbr.right + lastcharpad > xoutermost:
xoutermost = tfbr.right + lastcharpad
# group line and text
tgrp = Group([tfline, textfld])
tgrp.update_rects()
sbdict['vtfg_' + str(tcount)] = tgrp
# add the group - not just textfld - to list here
varbl_tflist.append(tgrp)
# get height - calc next offset; yoff will go negative, but nvm (will group and move)
llx, lly, urx, ury = textfld.bounding_rect # getTfBB(textfld)
tfHeight = ury - lly
yoff -= tfHeight + 2
tcount += 1
# done - now resize all the arrows according to xoutermost,
# so they are same length
# SetLine(i, x, y[, cont]) "Replace the ith segment by a line segment"
# where the i-th segment is the node..
for tgrp in varbl_tflist: # loop (in a list)
tfline = tgrp.objects[
0] # access Group (sub)object - tfline is first [0]
# get 2nd node (=segment 1) - in there, Point() is third in list ([2])
tmpep = tfline.paths[0].Segment(1)[2]
# change 2nd node (=segment 1) of the (first) path (paths[0])
tfline.paths[0].SetLine(1, (xoutermost, tmpep.y))
tfline.update_rects()
tgrp.update_rects()
# finally, group all these
varbl_group = Group(varbl_tflist) # accepts list directly
varbl_group.update_rects()
sbdict['vtg'] = varbl_group
# rotate variable group
# for repositioning - easiest to rotate around
# upper-left corner (instead of center point)
vgbr = varbl_group.bounding_rect
varbl_g_cp = vgbr.center() # centerpoint
varbl_g_ul = Point(vgbr.left, vgbr.top) # top (upper) left
varbl_group.Transform(Rotation(radians(-90), varbl_g_ul))
varbl_group.update_rects()
# must reassign variable for .bounding_rect
# after transform and update_rects()!!:
vgbr = varbl_group.bounding_rect
vgbr_w = vgbr.right - vgbr.left
vgbr_h = vgbr.top - vgbr.bottom
# also, below needed for box & move calc:
#~ point_group.update_rects()
pgbr = point_group.bounding_rect
pgbr_w = pgbr.right - pgbr.left
pgbr_h = pgbr.top - pgbr.bottom
# and note - groups seem to add some sort of padding, so align to intern lines instead (instead of group BB edges)
# get first (moveto) Point of first tf's line (align to that, instead of pgbr) - needed for 'boxing' below:
tfline = point_group[0].objects[0]
tmpep = tfline.paths[0].Segment(0)[2]
tmpep_v = Point(0, 0)
if havevars != 0:
tmpep_v = varbl_group[0].objects[0].paths[0].Segment(0)[2]
xmoveadj = tmpep.x - pgbr.left # adjustment due to group padding
ymoveadj = -(tmpep_v.y - vgbr.top) # only for moving varbl_group
# move rotated varbl_group below left of point_group
xmove = 0 # -vgbr_w # looks ok like this
xmove += xmoveadj # adjust due to group padding
ymove = -pgbr_h
ymove += ymoveadj # adjust due to group padding
varbl_group.Translate(Point(xmove, ymove))
varbl_group.update_rects()
vgbr = varbl_group.bounding_rect
## add the box label
lxpad = 10 # box label x padding
tfld_label = SimpleText(Translation(0, 0), inlabel)
tfld_label.SetProperties(font=courfont, font_size=16)
tfld_label.update_rects()
# reposition
# on y: center align tfld_label with center of point_group
cp_pg = pgbr.center()
tlbr = tfld_label.bounding_rect
cp_tl = tlbr.center()
ymove = -(cp_tl.y - cp_pg.y)
# on x: <NO>align right edge of tfld_label + pad with left edge of point_group</NO>
# center in respect to expected boxwidth instead
# calc expected boxwidth first
tlbr = tfld_label.bounding_rect
tlbr_w = tlbr.right - tlbr.left
boxwidth = lxpad + tlbr_w + lxpad # only title text label width + padding
varbl_width = vgbr.right - vgbr.left
if boxwidth < lxpad + varbl_width + lxpad:
boxwidth = lxpad + varbl_width + lxpad
#~ xmove = -(tlbr.right + lxpad - pgbr.left) # title text left aligned w/ right edge
xmove = -((tlbr.center().x - pgbr.left) + boxwidth / 2)
xmove += xmoveadj # adjust due to group padding
tfld_label.Translate(Point(xmove, ymove))
tfld_label.update_rects()
tlbr = tfld_label.bounding_rect # must reassign variable (though we won't need it anymore)
## create a box for point/varbl_group
# start at upper left point of point_group BB;
# go downleft, to <NO>upper left point of varbl_group BB</NO>
# .. note - groups seem to add some sort of padding, so align to intern lines:
# go downleft, to upper edge of varbl_group, and ([left edge of tfld_label] - pad)
# get first (moveto) Point of first tf's line (align to that, instead of pgbr)
tfline = point_group[0].objects[0]
tmpep = tfline.paths[0].Segment(0)[2]
start_x = tmpep.x # pgbr.left
start_y = pgbr.top
off_x = -(boxwidth) # -vgbr_w
off_y = -pgbr_h
trec = Rectangle(trafo=Trafo(off_x, 0, 0, off_y, start_x, start_y))
trec.SetProperties(
line_width=2.0,
fill_pattern=SolidPattern(CreateRGBColor(0.7, 0.7, 0.9)),
)
trec.update_rects()
sbdict['box'] = trec
# now group all these
# grouping goes: 1st on bottom, 2nd on top of it, etc..
retgrp = Group([trec, tfld_label, point_group, varbl_group])
retgrp.update_rects()
# move lower left corner of retgrp to 0,0
rgbr = retgrp.bounding_rect
retgrp.Translate(Point(-rgbr.left, -rgbr.bottom))
retgrp.update_rects()
return (retgrp, sbdict)