def compute_trafo(self, state=0):
sel = self.selection
if sel in self.selTurn:
# rotation
vec = self.drag_cur - self.center
angle = math.atan2(vec.y, vec.x)
angle = angle - self.start_angle + 2 * math.pi
if state & const.ConstraintMask:
pi12 = math.pi / 12
angle = pi12 * int(angle / pi12 + 0.5)
self.trafo = Rotation(angle, self.center)
self.trafo_desc = (1, angle)
elif sel in self.selShear:
if sel in (2, 6):
# horiz. shear
height = self.drag_start.y - self.reference
if height:
ratio = self.off.x / height
self.trafo = Trafo(1, 0, ratio, 1, -ratio * self.reference,
0)
self.trafo_desc = (2, ratio)
else:
# vert. shear
width = self.drag_start.x - self.reference
if width:
ratio = self.off.y / width
self.trafo = Trafo(1, ratio, 0, 1, 0,
-ratio * self.reference)
self.trafo_desc = (3, ratio)
def rect(self, attrs):
#print 'rect', attrs.map
if self.in_defs:
id = attrs.get('id', '')
if id:
self.named_objects[id] = ('object', 'rect', attrs)
return
if attrs.has_key('x'):
x = attrs['x']
else:
x = '0'
if attrs.has_key('y'):
y = attrs['y']
else:
y = '0'
x, y = self.point(x, y)
wx, wy = self.point(attrs['width'], "0", relative=1)
hx, hy = self.point("0", attrs['height'], relative=1)
t = Trafo(wx, wy, hx, hy, x, y)
self._print('rect', t)
style = attrs.get('style', '')
if style:
self.parse_style(style)
self.set_loader_style()
apply(self.loader.rectangle, t.coeff())
def compute_trafo(self): height = self.tkwin.height doc_to_win = Trafo(1, 0, 0, -1, 0, height) win_to_doc = doc_to_win.inverse() self.gc.SetViewportTransform(1.0, doc_to_win, win_to_doc) self.fill_rect = Rect(0, 0, self.tkwin.width, self.tkwin.height) self.gc.SetProperties(self.properties, self.fill_rect)
def rect(self, attrs):
#print 'rect', attrs.map
if self.in_defs:
id = attrs.get('id', '')
if id:
self.named_objects[id] = ('object', 'rect', attrs)
return
if attrs.has_key('x'):
x = attrs['x']
else:
x = '0'
if attrs.has_key('y'):
y = attrs['y']
else:
y = '0'
x, y = self.point(x, y)
wx, wy = self.point(attrs['width'], "0", relative = 1)
hx, hy = self.point("0", attrs['height'], relative = 1)
t = Trafo(wx, wy, hx, hy, x, y)
self._print('rect', t)
style = attrs.get('style', '')
if style:
self.parse_style(style)
self.set_loader_style()
apply(self.loader.rectangle, t.coeff())
def parse_transform(self, trafo_string):
trafo = self.trafo
#print trafo
trafo_string = as_latin1(trafo_string)
while trafo_string:
#print trafo_string
match = rx_trafo.match(trafo_string)
if match:
function = match.group(1)
args = string.translate(match.group(2), commatospace)
args = map(float, split(args))
trafo_string = trafo_string[match.end(0):]
if function == 'matrix':
trafo = trafo(apply(Trafo, tuple(args)))
elif function == 'scale':
trafo = trafo(Scale(args[0]))
elif function == 'translate':
dx, dy = args
trafo = trafo(Translation(dx, dy))
elif function == 'rotate':
trafo = trafo(Rotation(args[0] * degrees))
elif function == 'skewX':
trafo = trafo(Trafo(1, 0, tan(args[0] * degrees), 1, 0, 0))
elif function == 'skewY':
trafo = trafo(Trafo(1, tan(args[0] * degrees), 0, 1, 0, 0))
else:
trafo_string = ''
#print trafo
self.trafo = trafo
def compute_trafo(self):
height = self.tkwin.height
doc_to_win = Trafo(1, 0, 0, -1, 0, height)
win_to_doc = doc_to_win.inverse()
self.gc.SetViewportTransform(1.0, doc_to_win, win_to_doc)
self.fill_rect = Rect(0, 0, self.tkwin.width, self.tkwin.height)
self.gc.SetProperties(self.properties, self.fill_rect)
def __init__(self, file, filename, match):
SimplifiedLoader.__init__(self, file, filename, match)
self.layout = None
self.format_version = atof(match.group('version'))
self.trafo = Trafo(1.0, 0.0, 0.0, -1.0, 0.0, 800)
self.colors = std_colors + [StandardColors.black] * 512
self.depths = {} # map object ids to depth
self.guess_cont()
def make_gradient_pattern(self):
name, trafo, start, end = self.gradient_geo
self.gradient_geo = None
type, array = self.gradients[name]
array = array[:]
if type == 0:
# linear (axial) gradient
origdir = end - start
start = trafo(start)
end = trafo(end)
dir = end - start
try:
# adjust endpoint to accomodate trafo
v = trafo.DTransform(origdir.y, -origdir.x).normalized()
v = Point(v.y, -v.x) # rotate 90 degrees
end = start + (v * dir) * v
dir = end - start
except ZeroDivisionError:
pass
trafo2 = Trafo(dir.x, dir.y, dir.y, -dir.x, start.x, start.y)
trafo2 = trafo2.inverse()
left, bottom, right, top = trafo2(self.current_bounding_rect())
if right > left:
factor = 1 / (right - left)
offset = -left * factor
else:
factor = 1
offset = 0
array = fix_gradient(array, factor, offset)
pattern = LinearGradient(MultiGradient(array),
(start - end).normalized())
elif type == 1:
# radial gradient
start = trafo(start)
end = trafo(end)
left, bottom, right, top = self.current_bounding_rect()
if left == right or top == bottom:
# an empty coord_rect????
center = Point(0, 0)
else:
center = Point((start.x - left) / (right - left),
(start.y - bottom) / (top - bottom))
radius = max(hypot(left - start.x, top - start.y),
hypot(right - start.x, top - start.y),
hypot(right - start.x, bottom - start.y),
hypot(left - start.x, bottom - start.y))
if radius:
factor = -abs(start - end) / radius
array = fix_gradient(array, factor, 1)
pattern = RadialGradient(MultiGradient(array), center)
else:
self.add_message(_("Unknown gradient type %d"), type)
pattern = EmptyPattern
return pattern
def make_gradient_pattern(self):
name, trafo, start, end = self.gradient_geo
self.gradient_geo = None
type, array = self.gradients[name]
array = array[:]
if type == 0:
# linear (axial) gradient
origdir = end - start
start = trafo(start)
end = trafo(end)
dir = end - start
try:
# adjust endpoint to accomodate trafo
v = trafo.DTransform(origdir.y, -origdir.x).normalized()
v = Point(v.y, -v.x) # rotate 90 degrees
end = start + (v * dir) * v
dir = end - start
except ZeroDivisionError:
pass
trafo2 = Trafo(dir.x, dir.y, dir.y, -dir.x, start.x, start.y)
trafo2 = trafo2.inverse()
left, bottom, right, top = trafo2(self.current_bounding_rect())
if right > left:
factor = 1 / (right - left)
offset = -left * factor
else:
factor = 1
offset = 0
array = fix_gradient(array, factor, offset)
pattern = LinearGradient(MultiGradient(array), (start - end).normalized())
elif type == 1:
# radial gradient
start = trafo(start)
end = trafo(end)
left, bottom, right, top = self.current_bounding_rect()
if left == right or top == bottom:
# an empty coord_rect????
center = Point(0, 0)
else:
center = Point((start.x - left) / (right - left), (start.y - bottom) / (top - bottom))
radius = max(
hypot(left - start.x, top - start.y),
hypot(right - start.x, top - start.y),
hypot(right - start.x, bottom - start.y),
hypot(left - start.x, bottom - start.y),
)
if radius:
factor = -abs(start - end) / radius
array = fix_gradient(array, factor, 1)
pattern = RadialGradient(MultiGradient(array), center)
else:
self.add_message(_("Unknown gradient type %d"), type)
pattern = EmptyPattern
return pattern
def Snap(self, p):
try:
x, y = self.trafo.inverse()(p)
minx = self.radius1
maxx = 1 - self.radius1
miny = self.radius2
maxy = 1 - self.radius2
if minx < x < maxx:
if miny < y < maxy:
ratio = hypot(self.trafo.m11, self.trafo.m21) \
/ hypot(self.trafo.m12, self.trafo.m22)
if x < 0.5:
dx = x
else:
dx = 1 - x
if y < 0.5:
dy = y
else:
dy = 1 - y
if dy / dx > ratio:
x = round(x)
else:
y = round(y)
elif y > maxy:
y = 1
else:
y = 0
elif miny < y < maxy:
if x > maxx:
x = 1
else:
x = 0
elif minx > 0 and miny > 0:
# the round corners
if x < 0.5:
cx = minx
else:
cx = maxx
if y < 0.5:
cy = miny
else:
cy = maxy
trafo = Trafo(minx, 0, 0, miny, cx, cy)
r, phi = trafo.inverse()(x, y).polar()
x, y = trafo(Polar(1, phi))
else:
# normal corners
x = round(min(max(x, 0), 1))
y = round(min(max(y, 0), 1))
p2 = self.trafo(x, y)
return (abs(p - p2), p2)
except SingularMatrix:
return (1e200, p)
def initsvg(self, attrs):
width = self.user_length(attrs.get('width', '100%'))
height = self.user_length(attrs.get('height', '100%'))
self._print('initsvg', width, height)
self.trafo = Trafo(1, 0, 0, -1, 0, height)
self.basetrafo = self.trafo
# evaluate viewBox
# FIXME: Handle preserveAspectRatio as well
viewbox = attrs.get("viewBox", "")
if viewbox:
vx, vy, vwidth, vheight = map(float, split(viewbox))
t = Scale(width / vwidth, height / vheight)
t = t(Translation(-vx, -vy))
self.trafo = self.trafo(t)
self._print("basetrafo", self.basetrafo)
def __init__(self,
master,
width,
height,
xcomp=0,
ycomp=1,
color=(0, 0, 0),
**kw):
self.xcomp = xcomp
self.ycomp = ycomp
self.win_to_color = Trafo(1 / float(width - 1), 0, 0,
-1 / float(height - 1), 0, 1)
self.color_to_win = self.win_to_color.inverse()
apply(ChooseComponent.__init__, (self, master, width, height, color),
kw)
def BlendTrafo(t1, t2, frac1, frac2):
return Trafo(frac1 * t1.m11 + frac2 * t2.m11,
frac1 * t1.m21 + frac2 * t2.m21,
frac1 * t1.m12 + frac2 * t2.m12,
frac1 * t1.m22 + frac2 * t2.m22,
frac1 * t1.v1 + frac2 * t2.v1,
frac1 * t1.v2 + frac2 * t2.v2)
def image(self, attrs):
if self.in_defs:
id = attrs.get('id', '')
if id:
self.named_objects[id] = ('object', 'image', attrs)
return
href = as_latin1(attrs['xlink:href'])
image = load_image(os.path.join(self.loader.directory, href)).image
if attrs.has_key('x'):
x = attrs['x']
else:
x = '0'
if attrs.has_key('y'):
y = attrs['y']
else:
y = '0'
x, y = self.user_point(x, y)
width = self.user_length(attrs['width'])
scalex = width / image.size[0]
height = self.user_length(attrs['height'])
scaley = -height / image.size[1]
style = attrs.get('style', '')
if style:
self.parse_style(style)
self.set_loader_style()
t = self.trafo(Trafo(scalex, 0, 0, scaley, x, y + height))
self._print('image', t)
self.loader.image(image, t)
def __init__(self, master, width, height, comp = 1, color = (0, 0, 0), **kw): self.comp = comp self.win_to_color = Trafo(1, 0, 0, -1 / float(height - 1), 0, 1) self.color_to_win = self.win_to_color.inverse() apply(ChooseComponent.__init__, (self, master, width, height, color), kw)
def begin_text(self, attrs):
if self.in_defs:
id = attrs.get('id', '')
if id:
self.named_objects[id] = ('object', 'text', attrs)
return
# parse the presentation attributes if any.
# FIXME: this has to be implemented for the other elements that
# can have presentation attributes as well.
for key, value in attrs.items():
self.try_add_style(key, value)
if attrs.has_key('x'):
x = attrs['x']
else:
x = '0'
if attrs.has_key('y'):
y = attrs['y']
else:
y = '0'
x, y = self.user_point(x, y)
self.text_trafo = self.trafo(Trafo(1, 0, 0, -1, x, y))
self._print('text', self.text_trafo)
style = attrs.get('style', '')
if style:
self.parse_style(style)
self.set_loader_style(allow_font=1)
self.current_text = ''
def gradient_geometry(self, flag, name, xorig, yorig, angle, length, a, b,
c, d, tx, ty):
trafo = Trafo(a, b, c, d, tx, ty)
trafo = artboard_trafo_inv(trafo(artboard_trafo))
start = Point(xorig, yorig)
end = start + Polar(length, (pi * angle) / 180.0)
self.gradient_geo = (name, trafo, start, end)
class ChooseRGBXY(ChooseComponent):
def __init__(self,
master,
width,
height,
xcomp=0,
ycomp=1,
color=(0, 0, 0),
**kw):
self.xcomp = xcomp
self.ycomp = ycomp
self.win_to_color = Trafo(1 / float(width - 1), 0, 0,
-1 / float(height - 1), 0, 1)
self.color_to_win = self.win_to_color.inverse()
apply(ChooseComponent.__init__, (self, master, width, height, color),
kw)
def SetColor(self, color):
color = apply(rgb_to_hsv, tuple(color))
otheridx = 3 - self.xcomp - self.ycomp
if color[otheridx] != self.color[otheridx]:
self.UpdateWhenIdle()
self.hide_mark()
self.color = color
self.show_mark()
def update_ramp(self):
_sketch.fill_hsv_xy(self.image.im, self.xcomp, self.ycomp, self.color)
self.set_image(self.image)
def move_to(self, p, state):
x, y = p
if state & ConstraintMask:
sx = self.drag_start[self.xcomp]
sy = self.drag_start[self.ycomp]
if abs(sx - x) < abs(sy - y):
x = sx
else:
y = sy
if x < 0: x = 0
elif x >= 1.0: x = 1.0
if y < 0: y = 0
elif y >= 1.0: y = 1.0
color = list(self.color)
color[self.xcomp] = x
color[self.ycomp] = y
self.hide_mark()
self.color = tuple(color)
self.show_mark()
self.issue(CHANGED, self.RGBColor())
def draw_mark(self):
color = self.color
w, h = self.image.size
x, y = self.color_to_win(color[self.xcomp], color[self.ycomp])
x = int(x)
y = int(y)
self.invgc.DrawLine(x, 0, x, h)
self.invgc.DrawLine(0, y, w, y)
def getQuickRect(sx, sy, ox, oy):
start_x = sx
start_y = sy
off_x = ox
off_y = oy
trec = Rectangle(trafo=Trafo(off_x, 0, 0, off_y, start_x, start_y))
trec.update_rects()
return trec
def RemoveTransformation(self):
if self.trafo.matrix() != IdentityMatrix:
center = self.coord_rect.center()
width, height = self.data.Size()
trafo = Trafo(1, 0, 0, 1, center.x - width / 2,
center.y - height / 2)
return self.set_transformation(trafo)
return NullUndo
def SaveDocument(self, doc):
left, bottom, right, top = doc.BoundingRect()
width = right - left
height = top - bottom
inch = 1440
x = max(width, height)
if x * (inch / 72.) > 32767:
inch = 32767 / x
sc = inch / 72.
self.trafo = Trafo(sc, 0, 0, -sc, -sc * left, sc * top)
self.Scale = sc
self.inch = inch
self.extend = map(
rndtoint,
tuple(self.trafo(left, bottom)) + tuple(self.trafo(right, top)))
self.numobj = self.idx = MIN_OBJECT
self.objects = []
self.maxrecord = 0
self.cur_pen = -1
self.cur_brush = -1
# Header
self.write_headers()
# SetWindowOrg
self.packrec('<LHhh', 5, 0x020B, self.extend[3], self.extend[0])
# SetWindowExt
self.packrec('<LHhh', 5, 0x020C, self.extend[1], self.extend[2])
# SetBkMode to 1 (transparent)
self.packrec('<LHh', 4, 0x0102, 1)
# SetROP2 to 13 (R2_COPYPEN)
# me self.packrec('<LHl', 5, 0x0104, 13)
self.packrec('<LHh', 4, 0x0104, 13) # oo
# CreatePenIndirect: 5 -- PS_NULL
self.add_select_object(
struct.pack('<LHhhhBBBx', 8, 0x02FA, 5, 0, 0, 0, 0, 0))
# CreateBrushIndirect: 1 -- BS_NULL
self.add_select_object(
struct.pack('<LHhBBBxh', 7, 0x02FC, 1, 0, 0, 0, 0))
self.SaveLayers(doc.Layers())
self.DeleteObject(0)
self.DeleteObject(1)
self.packrec('<LH', 3, 0) # terminator
# update some fields
self.write_headers()
def ButtonUp(self, p, button, state):
if self.state & AlternateMask:
p = self.apply_constraint(p, state)
self.DragStop(p)
off = 2 * self.off
end = self.trafo.offset() - self.off
self.trafo = Trafo(off.x, 0, 0, off.y, end.x, end.y)
else:
RectangularCreator.ButtonUp(self, p, button, state)
class ChooseRGBXY(ChooseComponent):
def __init__(self, master, width, height, xcomp = 0, ycomp = 1,
color = (0, 0, 0), **kw):
self.xcomp = xcomp
self.ycomp = ycomp
self.win_to_color = Trafo(1 / float(width - 1), 0,
0, -1 / float(height - 1),
0, 1)
self.color_to_win = self.win_to_color.inverse()
apply(ChooseComponent.__init__, (self, master, width, height, color),
kw)
def SetColor(self, color):
color = apply(rgb_to_hsv, tuple(color))
otheridx = 3 - self.xcomp - self.ycomp
if color[otheridx] != self.color[otheridx]:
self.UpdateWhenIdle()
self.hide_mark()
self.color = color
self.show_mark()
def update_ramp(self):
_sketch.fill_hsv_xy(self.image.im, self.xcomp, self.ycomp, self.color)
self.set_image(self.image)
def move_to(self, p, state):
x, y = p
if state & ConstraintMask:
sx = self.drag_start[self.xcomp]
sy = self.drag_start[self.ycomp]
if abs(sx - x) < abs(sy - y):
x = sx
else:
y = sy
if x < 0: x = 0
elif x >= 1.0: x = 1.0
if y < 0: y = 0
elif y >= 1.0: y = 1.0
color = list(self.color)
color[self.xcomp] = x
color[self.ycomp] = y
self.hide_mark()
self.color = tuple(color)
self.show_mark()
self.issue(CHANGED, self.RGBColor())
def draw_mark(self):
color = self.color
w, h = self.image.size
x, y = self.color_to_win(color[self.xcomp], color[self.ycomp])
x = int(x)
y = int(y)
self.invgc.DrawLine(x, 0, x, h)
self.invgc.DrawLine(0, y, w, y)
def __init__(self, data=None, trafo=None, duplicate=None):
if duplicate is not None:
data = duplicate.data
self.trafo = duplicate.trafo
else:
if trafo is None:
#width, height = data.size
trafo = Trafo(1, 0, 0, -1, 0, 0)
self.trafo = trafo
self.data = data
def read_ellipse(self, line):
readline = self.readline
tokenize = skread.tokenize_line
args = tokenize(line)
if len(args) != 19:
raise SketchLoadError("Invalid Ellipse specification")
sub_type, line_style, thickness, pen_color, fill_color, depth, pen_style, area_fill, style, direction, angle, cx, cy, rx, ry, sx, sy, ex, ey = (
args
)
self.fill(fill_color, area_fill)
self.line(pen_color, thickness, const.JoinMiter, const.CapButt, line_style, style)
center = self.trafo(cx, cy)
radius = self.trafo.DTransform(rx, ry)
trafo = Trafo(radius.x, 0, 0, radius.y)
trafo = Rotation(angle)(trafo)
trafo = Translation(center)(trafo)
apply(self.ellipse, trafo.coeff())
self.set_depth(depth)
def coord_sys_at(lengths, pos, type):
if len(lengths) < 2:
return None
for idx in range(len(lengths)):
if lengths[idx][0] > pos:
d2, p2 = lengths[idx]
d1, p1 = lengths[idx - 1]
if d2 != d1 and p1 != p2:
break
else:
return None
t = (pos - d1) / (d2 - d1)
p = (1 - t) * p1 + t * p2
diff = (p2 - p1).normalized()
del lengths[:idx - 1]
if type == PATHTEXT_SKEW:
return Trafo(diff.x, diff.y, 0, 1, p.x, p.y)
else:
return Trafo(diff.x, diff.y, -diff.y, diff.x, p.x, p.y)
def read_gimp_path(context, filename=''):
if not filename:
filename = context.application.GetOpenFilename()
if not filename:
return
paths = read_path(filename)
object = PolyBezier(paths)
object.Transform(Trafo(1, 0, 0, -1, 0, 800))
#context.main_window.PlaceObject(object)
context.document.Insert(object)
def RedrawMethod(self, region = None):
win = self.tkwin
self.gc.StartDblBuffer()
self.gc.SetFillColor(StandardColors.white)
self.gc.FillRectangle(0, 0, win.width, win.height)
if self.properties.HasFill():
self.gc.Rectangle(Trafo(win.width, 0, 0, win.height, 0, 0))
else:
self.gc.SetLineColor(StandardColors.black)
self.gc.DrawLineXY(0, win.height, win.width, 0)
self.gc.EndDblBuffer()
def compute_trafo(self, state):
start = self.drag_start
end = self.drag_cur
if state & AlternateMask:
# start is the center of the ellipse
if state & ConstraintMask:
# end is a point of the periphery of a *circle* centered
# at start
radius = abs(start - end)
self.trafo = Trafo(radius, 0, 0, radius, start.x, start.y)
else:
# end is a corner of the bounding box
d = end - start
self.trafo = Trafo(d.x, 0, 0, d.y, start.x, start.y)
else:
# the ellipse is inscribed into the rectangle with start and
# end as opposite corners.
end = self.apply_constraint(self.drag_cur, state)
d = (end - start) / 2
self.trafo = Trafo(d.x, 0, 0, d.y, start.x + d.x, start.y + d.y)
def Hit(self, p, rect, device, clip=0):
a = self.properties
llx, lly, urx, ury = a.font.TextBoundingBox(self.text, a.font_size)
trafo = self.trafo(self.atrafo)
trafo = trafo(Trafo(urx - llx, 0, 0, ury - lly, llx, lly))
return device.ParallelogramHit(p,
trafo,
1,
1,
1,
ignore_outline_mode=1)
def read_ellipse(self, line):
readline = self.readline
tokenize = skread.tokenize_line
args = tokenize(line)
if len(args) != 19:
raise SketchLoadError('Invalid Ellipse specification')
sub_type, line_style, thickness, pen_color, fill_color, depth, \
pen_style, area_fill, style, direction, angle, \
cx, cy, rx, ry, sx, sy, ex, ey = args
self.fill(fill_color, area_fill)
self.line(pen_color, thickness, const.JoinMiter, const.CapButt,
line_style, style)
center = self.trafo(cx, cy)
radius = self.trafo.DTransform(rx, ry)
trafo = Trafo(radius.x, 0, 0, radius.y)
trafo = Rotation(angle)(trafo)
trafo = Translation(center)(trafo)
apply(self.ellipse, trafo.coeff())
self.set_depth(depth)
def BoundingRect(self, pos, dir, width):
try:
angle = atan2(dir.y, dir.x)
except ValueError:
angle = 0
if width < 1.0:
width = 1.0
s = width * sin(angle)
c = width * cos(angle)
trafo = Trafo(c, s, -s, c, pos.x, pos.y)
return self.path.accurate_rect(trafo)
def ellipse(self, attrs):
if self.in_defs:
id = attrs.get('id', '')
if id:
self.named_objects[id] = ('object', 'ellipse', attrs)
return
if attrs.has_key('cx'):
x = attrs['cx']
else:
x = '0'
if attrs.has_key('cy'):
y = attrs['cy']
else:
y = '0'
x, y = self.point(x, y)
rx, ry = self.point(attrs['rx'], attrs['ry'], relative = 1)
t = Trafo(rx, 0, 0, ry, x, y)
self._print('ellipse', t)
style = attrs.get('style', '')
if style:
self.parse_style(style)
self.set_loader_style()
apply(self.loader.ellipse, t.coeff())
def ellipse(self, attrs):
if self.in_defs:
id = attrs.get('id', '')
if id:
self.named_objects[id] = ('object', 'ellipse', attrs)
return
if attrs.has_key('cx'):
x = attrs['cx']
else:
x = '0'
if attrs.has_key('cy'):
y = attrs['cy']
else:
y = '0'
x, y = self.point(x, y)
rx, ry = self.point(attrs['rx'], attrs['ry'], relative=1)
t = Trafo(rx, 0, 0, ry, x, y)
self._print('ellipse', t)
style = attrs.get('style', '')
if style:
self.parse_style(style)
self.set_loader_style()
apply(self.loader.ellipse, t.coeff())
def __init__(self, loader):
self.loader = loader
self.trafo = self.basetrafo = Trafo()
self.state_stack = ()
self.style = loader.style.Copy()
self.style.line_pattern = EmptyPattern
self.style.fill_pattern = SolidPattern(StandardColors.black)
self.current_text = ""
self.style.font = GetFont("Times-Roman")
self.style.font_size = 12
self.halign = text.ALIGN_LEFT
self.named_objects = {}
self.in_defs = 0
self.paths = None
self.path = None
self.depth = 0
self.indent = ' '
def Hit(self, p, rect, device, clip=0):
bbox = self.properties.font.TextBoundingBox
font_size = self.properties.font_size
text = self.text
trafos = self.trafos
for idx in range(len(trafos)):
llx, lly, urx, ury = bbox(text[idx], font_size)
trafo = trafos[idx](Trafo(urx - llx, 0, 0, ury - lly, llx, lly))
if device.ParallelogramHit(p,
trafo,
1,
1,
1,
ignore_outline_mode=1):
return 1
return 0
def read_headers(self):
self.file.seek(0)
placeable = self.file.read(calcsize(struct_placeable_header))
key, handle, left, top, right, bottom, inch, reserved, checksum\
= unpack(struct_placeable_header, placeable)
if key != rx_magic:
raise SketchLoadError(
_("The file is not a placeable "
"windows metafile"))
self._print("The file is not a placeable windows metafile")
sum = 0
for word in unpack('<10h', placeable[:20]):
sum = sum ^ word
if sum != checksum:
#raise SketchLoadError(_("The file has an incorrect checksum"))
self._print("The file has an incorrect checksum")
self.inch = inch
self.bbox = (left, top, right, bottom)
factor = 72.0 / self.inch
self.wx = self.wy = 0
self.wwidth = right - left
self.wheight = bottom - top
self.vx = self.vy = 0
self.vwidth = self.wwidth
self.vheight = self.wheight
self.base_trafo = Trafo(factor, 0, 0, -factor, 0,
factor * self.vheight)
self.update_trafo()
header = self.file.read(calcsize(struct_wmf_header))
filetype, headersize, version, filesize, numobj, maxrecord, numparams\
= unpack(struct_wmf_header, header)
self._print('\nHeader\n------\n')
fmt = '% 10s: %s\n'
self._print(fmt, 'inch', self.inch)
self._print(fmt, 'bbox', self.bbox)
self._print(fmt, 'headersize', headersize)
self._print(fmt, 'version', version)
self._print(fmt, 'numobj', numobj)
self._print(fmt, 'numparams', numparams)
self._print(fmt, 'maxrecord', maxrecord)
self._print('\n')
class ChooseRGBZ(ChooseComponent):
def __init__(self, master, width, height, comp = 1, color = (0, 0, 0),
**kw):
self.comp = comp
self.win_to_color = Trafo(1, 0, 0, -1 / float(height - 1), 0, 1)
self.color_to_win = self.win_to_color.inverse()
apply(ChooseComponent.__init__, (self, master, width, height, color),
kw)
def SetColor(self, color):
c = self.color;
color = apply(rgb_to_hsv, tuple(color))
if ((self.comp == 0 and (color[1] != c[1] or color[2] != c[2]))
or (self.comp == 1 and (color[0] != c[0] or color[2] != c[2]))
or (self.comp == 2 and (color[0] != c[0] or color[1] != c[1]))):
self.hide_mark()
self.color = color
self.show_mark()
self.UpdateWhenIdle()
def update_ramp(self):
_sketch.fill_hsv_z(self.image.im, self.comp, self.color)
self.set_image(self.image)
def move_to(self, p, state):
y = p.y
if y < 0: y = 0
elif y >= 1.0: y = 1.0
color = list(self.color)
color[self.comp] = y
self.hide_mark()
self.color = tuple(color)
self.show_mark()
self.issue(CHANGED, self.RGBColor())
def draw_mark(self):
w, h = self.image.size
x, y = self.color_to_win(0, self.color[self.comp])
x = int(x)
y = int(y)
self.invgc.DrawLine(0, y, w, y)
return array
# arrays to convert AI join and cap to Sketch's join and cap. In AI
# files they're given as small ints so we just use a tuple where we can
# use the AI cap/join value as index to get the corresponding value in
# Sketch.
_ai_join = (const.JoinMiter, const.JoinRound, const.JoinBevel)
_ai_cap = (const.CapButt, const.CapRound, const.CapProjecting)
# The same for text alignment. The last two values are two variants of
# justified text, which Sketch doesn't have, so we're just using
# centered for now.
_ai_text_align = (text.ALIGN_LEFT, text.ALIGN_CENTER, text.ALIGN_RIGHT, text.ALIGN_CENTER, text.ALIGN_CENTER)
artboard_trafo = Trafo(1, 0, 0, -1, 4014, 4716)
artboard_trafo_inv = artboard_trafo.inverse()
class FontInfo:
def __init__(self, psname, newname, encoding):
self.psname = psname
self.newname = newname
self.encoding = encoding
self.reencoder = None
def Reencode(self, text):
if self.reencoder is None:
self.reencoder = encoding.Reencoder(self.encoding, encoding.iso_latin_1)
return self.reencoder(text)
