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# PyDia Rotation
# Copyright (c) 2003, Hans Breuer <hans@breuer.org>
# Copyright (c) 2009, 2011 Steffen Macke <sdteffen@sdteffen.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
import dia, math, string
class CRotateDialog :
def __init__(self, d, data) :
import pygtk
pygtk.require("2.0")
import gtk
win = gtk.Window()
win.connect("delete_event", self.on_delete)
win.set_title("Rotate counter-clockwise")
self.diagram = d
self.data = data
self.win = win
box1 = gtk.VBox()
win.add(box1)
box1.show()
box2 = gtk.VBox(spacing=10)
box2.set_border_width(10)
box1.pack_start(box2)
box2.show()
label1 = gtk.Label()
label1.set_text('Rotation around (0,0). Rotation angle in degrees:')
box2.pack_start(label1)
label1.show()
self.entry = gtk.Entry()
self.entry.set_text("0.0")
box2.pack_start(self.entry)
self.entry.show()
separator = gtk.HSeparator()
box1.pack_start(separator, expand=0)
separator.show()
box2 = gtk.VBox(spacing=10)
box2.set_border_width(10)
box1.pack_start(box2, expand=0)
box2.show()
button = gtk.Button("rotate")
button.connect("clicked", self.on_rotate)
box2.pack_start(button)
button.set_flags(gtk.CAN_DEFAULT)
button.grab_default()
button.show()
win.show()
def on_rotate(self, *args) :
s = self.entry.get_text()
angle = float(s)
if angle >= 0 and angle <= 360 :
SimpleRotate (self.data, angle)
self.data.update_extents()
self.diagram.flush()
else :
dia.message(1, "Please enter an angle between 0 and 360 degrees.")
self.win.destroy ()
def on_delete (self, *args) :
self.win.destroy ()
def SimpleRotate(data, angle) :
# Rotation center
xm = 0.0
ym = 0.0
# Convert to radians
angle_rad = 2*math.pi - 2*math.pi*angle/360
objs = data.get_sorted_selected()
if len(objs) == 0 :
objs = data.active_layer.objects
scaleFailed = {}
ptype = dia.get_object_type('Standard - Polygon')
for o in objs :
if o.type.name == 'Standard - Box' :
r = o.properties['obj_bb'].value
p = ptype.create(0,0)
p = p[0]
p.properties['poly_points'] = [(r.left, r.top), (r.right, r.top), (r.right, r.bottom), (r.left, r.bottom)]
p.properties['line_width'] = o.properties['line_width']
p.properties['line_colour'] = o.properties['line_colour']
p.properties['line_style'] = o.properties['line_style']
p.properties['line_colour'] = o.properties['line_colour']
p.properties['fill_colour'] = o.properties['fill_colour']
p.properties['show_background'] = o.properties['show_background']
data.active_layer.add_object(p)
data.active_layer.remove_object(o)
o = p
for h in o.handles:
x = math.cos(angle_rad)*(h.pos.x+xm)-math.sin(angle_rad)*(h.pos.y+ym)
y = math.sin(angle_rad)*(h.pos.x+xm)+math.cos(angle_rad)*(h.pos.y)
o.move_handle(h, (x,y), 0, 0)
data.update_extents ()
dia.active_display().add_update_all()
def rotate_cb(data, flags) :
dlg = CRotateDialog(dia.active_display().diagram, data)
dia.register_action ("ObjectsSimplerotation", "Simple Rotation",
"/DisplayMenu/Objects/ObjectsExtensionStart",
rotate_cb)
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