def SkewSelected(self, axisX=0, axisY=0):
if self.document.selection:
self.document.begin_transaction()
try:
try:
br = self.document.selection.coord_rect
hor_sel = br.right - br.left
ver_sel = br.top - br.bottom
cnt_x, cnt_y = self.Basepoint.get_basepoint(
hor_sel, ver_sel, br.left, br.bottom)
text = _("Skew")
ax, ay = tan(axisX), tan(axisY)
sx = 1.0
sy = 1.0 - (ax * ay)
tx = cnt_x * ax
ty = cnt_y * ax * ay - cnt_y * ay
# Move the selection in the coordinates x0 y0
trafo = Trafo(1, 0, 0, 1, -cnt_x, -cnt_y)
# Skew and Scaling
trafo = Trafo(sx, ay, -ax, sy, 0, 0)(trafo)
# Move the selection in the coordinates basepoint
trafo = Trafo(1, 0, 0, 1, cnt_x, cnt_y)(trafo)
self.document.TransformSelected(trafo, text)
except:
self.document.abort_transaction()
finally:
self.document.end_transaction()
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 __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 __init__(self,
master,
callback,
width,
height,
comp=1,
color=(0, 0, 0),
**kw):
self.callback = callback
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 __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)
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 get_trafo(self, trfd, scale=1):
cdr_version = self.cdr_version
ieeestart = 32
if cdr_version >= 13:
ieeestart = 40
if cdr_version == 5:
ieeestart = 18
(x_shift, y_shift) = self.doc_page
[var0] = struct.unpack('<d', trfd.data[ieeestart:ieeestart + 8])
[var1] = struct.unpack('<d',
trfd.data[ieeestart + 8:ieeestart + 8 + 8])
[var2
] = struct.unpack('<d',
trfd.data[ieeestart + 2 * 8:ieeestart + 8 + 2 * 8])
[var3
] = struct.unpack('<d',
trfd.data[ieeestart + 3 * 8:ieeestart + 8 + 3 * 8])
[var4
] = struct.unpack('<d',
trfd.data[ieeestart + 4 * 8:ieeestart + 8 + 4 * 8])
[var5
] = struct.unpack('<d',
trfd.data[ieeestart + 5 * 8:ieeestart + 8 + 5 * 8])
self.scale_with = min(var0 * cmp(var0, 0), var4 * cmp(var4, 0))
return Trafo(var0, var3, var1, var4, (var2 + x_shift / 2) * scale,
(var5 + y_shift / 2) * scale)
def load_arc(self):
param = {
'10': None, # X coordinat center
'20': None, # Y coordinat center
#'30': None, # Z coordinat center
'40': 0.0, # radius
'50': 0.0, # Start angle
'51': 0.0 # End angle
}
param.update(self.general_param)
param = self.read_param(param)
cx = param['10']
cy = param['20']
rx = ry = param['40']
start_angle = param['50'] * degrees
end_angle = param['51'] * degrees
trafo = self.trafo(Trafo(rx, 0, 0, ry, cx, cy))
rx, w1, w2, ry, cx, cy = trafo.coeff()
style = self.get_line_style(**param)
self.prop_stack.AddStyle(style.Duplicate())
apply(self.ellipse,
(rx, w1, w2, ry, cx, cy, start_angle, end_angle, ArcArc))
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)
def rect(self, attrs):
if self.in_defs:
return
x, y = self.point(attrs.get('x', '0'), attrs.get('y', '0'))
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)
rx = ry = '0'
if attrs.has_key('rx') and attrs.has_key('ry'):
rx, ry = attrs['rx'], attrs['ry']
elif attrs.has_key('rx'):
rx = ry = attrs['rx']
elif attrs.has_key('ry'):
rx = ry = attrs['ry']
rx, ry = self.user_point(rx, ry)
width, height = self.user_point(attrs['width'], attrs['height'])
if width:
rx = min(rx / width, 0.5)
else:
rx = 0
if height:
ry = min(ry / height, 0.5)
else:
ry = 0
#wx, wy, hx, hy, x, y = t.coeff()
self._print('rect', t)
self.parse_attrs(attrs)
self.set_loader_style()
apply(self.loader.rectangle, (wx, wy, hx, hy, x, y, rx, ry))
def rectangle(self, m11, m21, m12, m22, v1, v2, radius1=0, radius2=0):
trafo = Trafo(m11, m21, m12, m22, v1, v2)
self.append_object(
Rectangle(trafo,
radius1=radius1,
radius2=radius2,
properties=self.get_prop_stack()))
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 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 BoundingRect(self, pos, dir, width):
angle = atan2(dir.y, dir.x)
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)
class ChooseRGBXY(ChooseComponent): def __init__(self, master, callback, width, height, xcomp=0, ycomp=1, color=(0, 0, 0), **kw): self.callback = callback 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.callback(self.getRGB()) # 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 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)
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 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 parse_transform(self, trafo_string):
trafo = self.trafo
trafo_string = as_latin1(trafo_string)
while trafo_string:
match = rx_trafo.match(trafo_string)
if match:
function = match.group(1)
args = argsf = string.translate(match.group(2), commatospace)
args = map(str, split(args))
trafo_string = trafo_string[match.end(0):]
if function == 'matrix':
args = map(float, split(argsf))
trafo = trafo(apply(Trafo, tuple(args)))
elif function == 'scale':
if len(args) == 1:
sx = sy = args[0]
else:
sx, sy = args
sx, sy = self.user_point(sx, sy)
trafo = trafo(Scale(sx, sy))
elif function == 'translate':
if len(args) == 1:
dx, dy = args[0], '0'
else:
dx, dy = args
dx, dy = self.user_point(dx, dy)
trafo = trafo(Translation(dx, dy))
elif function == 'rotate':
if len(args) == 1:
trafo = trafo(Rotation(float(args[0]) * degrees))
else:
angle, cx, cy = args
cx, cy = self.user_point(cx, cy)
trafo = trafo(
Rotation(float(angle) * degrees, Point(cx, cy)))
elif function == 'skewX':
trafo = trafo(
Trafo(1, 0, tan(float(args[0]) * degrees), 1, 0, 0))
elif function == 'skewY':
trafo = trafo(
Trafo(1, tan(float(args[0]) * degrees), 0, 1, 0, 0))
else:
trafo_string = ''
self.trafo = trafo
def circle(self, attrs):
if self.in_defs:
return
x, y = self.user_point(attrs.get('cx', '0'), attrs.get('cy', '0'))
r = self.user_point(attrs['r'], '0').x
t = self.trafo(Trafo(r, 0, 0, r, x, y))
self._print('circle', t)
self.parse_attrs(attrs)
self.set_loader_style()
apply(self.loader.ellipse, t.coeff())
def ellipse(self, attrs):
if self.in_defs:
return
x, y = self.user_point(attrs.get('cx', '0'), attrs.get('cy', '0'))
rx, ry = self.user_point(attrs['rx'], attrs['ry'])
t = self.trafo(Trafo(rx, 0, 0, ry, x, y))
self._print('ellipse', t)
self.parse_attrs(attrs)
self.set_loader_style()
apply(self.loader.ellipse, t.coeff())
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 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 __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 Hit(self, p, rect, device, clip=0):
a = self.properties
llx, lly, urx, ury = a.font.TextBoundingBox(self.text, a.font_size, a)
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 Hit(self, p, rect, device, clip=0): bbox = self.properties.font.text_bbox text = self.text; trafos = self.trafos for idx in range(len(trafos)): llx, lly, urx, ury = bbox(text[idx], self.properties) 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 __init__(self, master, callback, width, height, xcomp=0, ycomp=1, color=(0, 0, 0), **kw): self.callback = callback 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 update_trafo(self, scale = 1): EXT_hight = self.EXTMAX[0] - self.EXTMIN[0] EXT_width = self.EXTMAX[1] - self.EXTMIN[1] PEXT_hight = self.PEXTMAX[0] - self.PEXTMIN[0] PEXT_width = self.PEXTMAX[1] - self.PEXTMIN[1] if EXT_hight > 0: scale = 840 / max(EXT_hight, EXT_width) self.unit_to_pt = scale x = self.EXTMIN[0] * scale y = self.EXTMIN[1] * scale elif PEXT_hight > 0: scale = 840 / max(PEXT_hight, PEXT_width) self.unit_to_pt = scale x = self.PEXTMIN[0] * scale y = self.PEXTMIN[1] * scale else: x = 0 y = 0 self.trafo = Trafo(scale, 0, 0, scale, -x, -y)
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 __init__(self, trafo = None, radius1 = 0, radius2 = 0, properties = None, duplicate = None): if trafo is not None and trafo.m11==trafo.m21==trafo.m12==trafo.m22==0: trafo=Trafo(1,0,0,-1,trafo.v1,trafo.v2) RectangularPrimitive.__init__(self, trafo, properties = properties, duplicate = duplicate) if duplicate is not None: self.radius1 = duplicate.radius1 self.radius2 = duplicate.radius2 else: self.radius1 = radius1 self.radius2 = radius2
def load_ellips(self):
param = {
'10': 0.0, # X coordinat center
'20': 0.0, # Y coordinat center
#'30': 0.0, # Z coordinat center
'11': 0.0, # Endpoint of major axis, relative to the center
'21': 0.0,
#'31': 0.0,
'40': 0.0, # Ratio of minor axis to major axis
'41':
0.0, # Start parameter (this value is 0.0 for a full ellipse)
'42': 0.0, # End parameter (this value is 2pi for a full ellipse)
}
param.update(self.general_param)
param = self.read_param(param)
cx = param['10']
cy = param['20']
rx = sqrt(param['21']**2 + param['11']**2)
ry = rx * param['40']
start_angle = param['41']
end_angle = param['42']
angle = atan2(param['21'], param['11'])
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)
rx, w1, w2, ry, cx, cy = trafo.coeff()
style = self.get_line_style(**param)
self.prop_stack.AddStyle(style.Duplicate())
apply(self.ellipse,
(rx, w1, w2, ry, cx, cy, start_angle, end_angle, ArcArc))
def load_ellips(self):
param={ '10': 0.0, # X coordinat center
'20': 0.0, # Y coordinat center
#'30': 0.0, # Z coordinat center
'11': 0.0, # Endpoint of major axis, relative to the center
'21': 0.0,
#'31': 0.0,
'40': 0.0, # Ratio of minor axis to major axis
'41': 0.0, # Start parameter (this value is 0.0 for a full ellipse)
'42': 0.0, # End parameter (this value is 2pi for a full ellipse)
}
param.update(self.general_param)
param = self.read_param(param)
cx = param['10']
cy = param['20']
rx = sqrt(param['21']**2 + param['11']**2)
ry = rx * param['40']
start_angle = param['41']
end_angle = param['42']
angle=atan2(param['21'], param['11'])
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)
rx, w1, w2, ry, cx, cy = trafo.coeff()
style = self.get_line_style(**param)
self.prop_stack.AddStyle(style.Duplicate())
apply(self.ellipse, (rx, w1, w2, ry, cx, cy, start_angle, end_angle, ArcArc))
class ChooseRGBZ(ChooseComponent): def __init__(self, master, callback, width, height, comp=1, color=(0, 0, 0), **kw): self.callback = callback 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.callback(self.getRGB()) # 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)
def resize(self): code = self.selection.x_code trafo = self.trafo; radius1 = self.radius1; radius2 = self.radius2 if code < 0: # a special handle that has to be treated as a normal handle # depending on the direction of the drag width = hypot(trafo.m11, trafo.m21) height = hypot(trafo.m12, trafo.m22) t = Trafo(trafo.m11 / width, trafo.m21 / width, trafo.m12 / height, trafo.m22 / height, 0, 0) dx, dy = t.inverse()(self.off) #print code, dx, dy if code > -5: # one of the corners in a rectangle with sharp corners if abs(dx) > abs(dy): code = 4 - code else: code = (12, 10, 11, 9)[code] else: # the edge handle and the round corner handles coincide if code >= -7: # horizontal edges if abs(dx) > abs(dy): if dx < 0: code = -code else: code = -code + 1 else: code = -4 - code else: # vertical edges if abs(dx) > abs(dy): code = code + 13 else: if dy < 0: code = -code else: code = -code + 1 # # code is now a normal handle # #print '->', code x, y = trafo.inverse()(self.drag_cur) width = hypot(trafo.m11, trafo.m21) height = hypot(trafo.m12, trafo.m22) if code <= 4: # drag one of the edges if code == 1: t = Trafo(1, 0, 0, 1 - y, 0, y) if y != 1: radius2 = radius2 / abs(1 - y) else: radius1 = radius2 = 0 elif code == 2: t = Trafo(x, 0, 0, 1, 0, 0) if x != 0: radius1 = radius1 / abs(x) else: radius1 = radius2 = 0 elif code == 3: t = Trafo(1, 0, 0, y, 0, 0) if y != 0: radius2 = radius2 / abs(y) else: radius1 = radius2 = 0 elif code == 4: t = Trafo(1 - x, 0, 0, 1, x, 0) if x != 1: radius1 = radius1 / abs(1 - x) else: radius1 = radius2 = 0 trafo = trafo(t) if radius1 != 0 or radius2 != 0: ratio = radius1 / radius2 if radius1 > 0.5: radius1 = 0.5 radius2 = radius1 / ratio if radius2 > 0.5: radius2 = 0.5 radius1 = radius2 * ratio else: # modify the round corners if radius1 == radius2 == 0: ratio = height / width else: ratio = radius1 / radius2 if ratio > 1: max1 = 0.5 max2 = max1 / ratio else: max2 = 0.5 max1 = max2 * ratio if code < 9: if code == 6 or code == 8: x = 1 - x radius1 = max(min(x, max1), 0) radius2 = radius1 / ratio else: if code == 10 or code == 12: y = 1 - y radius2 = max(min(y, max2), 0) radius1 = radius2 * ratio return trafo, radius1, radius2
