/usr/share/dia/python/scascale.py is in dia-common 0.97.3+git20160930-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 | # PyDia Simple Scale
# Copyright (c) 2003, Hans Breuer <hans@breuer.org>
#
# Experimental scaleing (selected) Objects via property api
#
# Known Issues:
# - HANDLE_NON_MOVEABLE ?
# - bezier control points
# - unsizeable objects (or sizeable via multiple text size changing, e.g. UML Class)
#
# 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, string
class CScaleDialog :
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("Simple Scaling")
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()
self.entry = gtk.Entry()
self.entry.set_text("0.1")
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("scale")
button.connect("clicked", self.on_scale)
box2.pack_start(button)
button.set_flags(gtk.CAN_DEFAULT)
button.grab_default()
button.show()
win.show()
def on_scale(self, *args) :
s = self.entry.get_text()
scale = float(s)
if scale > 0.001 and scale < 1000 :
SimpleScale (self.data, float(s))
self.data.update_extents ()
self.diagram.flush()
else :
dia.message(1, "Value out of range!")
self.win.destroy ()
def on_delete (self, *args) :
self.win.destroy ()
def ScaleLens(o, factor) :
if o.properties.has_key("line_width") :
o.properties["line_width"] = o.properties["line_width"].value * factor
if o.properties.has_key("text_height") :
o.properties["text_height"] = o.properties["text_height"].value * factor
def SimpleScale(data, factor) :
objs = data.get_sorted_selected()
if len(objs) == 0 :
objs = data.active_layer.objects
scaleFailed = {}
for o in objs :
pos = o.properties["obj_pos"].value
hSE = None # the 'south east' handle to size the object
if o.properties.has_key("elem_width") :
hLR = o.handles[7] # HANDLE_RESIZE_SE
try :
#if 0 == hLR.type : # HANDLE_NON_MOVABLE
# raise RuntimeError, "non moveable handle"
x = pos.x * factor
y = pos.y * factor
x2 = x + (hLR.pos.x - pos.x) * factor
y2 = y + (hLR.pos.y - pos.y) * factor
# calculate all points before movement, handle is still connected and move moves it too
o.move(x, y)
o.move_handle(hLR, (x2, y2), 0, 0)
ScaleLens(o, factor)
except RuntimeError, msg :
if scaleFailed.has_key(o.type.name) :
scaleFailed[o.type.name] += 1
else :
scaleFailed[o.type.name] = 1
else :
# must move all handles
try :
x = pos.x * factor
y = pos.y * factor
handles = []
for h in o.handles :
#if 0 == h.type : # HANDLE_NON_MOVABLE
# continue
handles.append((h, (x + (h.pos.x - pos.x) * factor,
y + (h.pos.y - pos.y) * factor)))
# handles are not necessary independent
for h in handles :
o.move_handle(h[0], h[1], 0, 0)
ScaleLens(o, factor)
except RuntimeError, msg :
if scaleFailed.has_key(o.type.name) :
scaleFailed[o.type.name] += 1
else :
scaleFailed[o.type.name] = 1
if len(scaleFailed.keys()) > 0 :
sMsg = "Scaling failed for : "
for s in scaleFailed.keys() :
sMsg = sMsg + "\n%s (%d)" % (s, scaleFailed[s])
dia.message(1, sMsg)
data.update_extents ()
dia.active_display().add_update_all()
def scale_cb(data, flags) :
dlg = CScaleDialog(dia.active_display().diagram, data)
dia.register_action ("ObjectsSimplescaling", "Simple Scaling",
"/DisplayMenu/Objects/ObjectsExtensionStart",
scale_cb)
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