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
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
# ImageThought.py
# This file is part of labyrinth
#
# Copyright (C) 2006 - Don Scorgie <Don@Scorgie.org>
#
# labyrinth 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.
#
# labyrinth 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 labyrinth; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor,
# Boston, MA 02110-1301 USA
#
import gtk
import xml.dom.minidom as dom
import xml.dom
import gettext
_ = gettext.gettext
import cairo
import os
import logging
import tempfile
import cStringIO
from sugar import mime
from BaseThought import *
import utils
import UndoManager
from sugar.activity.activity import get_activity_root
from sugar.graphics.objectchooser import ObjectChooser
class ImageThought (ResizableThought):
def __init__ (self, coords, pango_context, thought_number, save, undo, loading, background_color, foreground_color):
super (ImageThought, self).__init__(coords, save, "image_thought", undo, background_color, foreground_color)
self.identity = thought_number
self.pic = None
self.orig_pic = None
self.pic_location = coords
self.button_press = False
self.all_okay = True
self.object_chooser_active = False
# FIXME: Work in progress, needs at least activity self to create
# tmp files/links in the right places and reference the window.
def journal_open_image (self):
self.object_chooser_active = True
if hasattr(mime, 'GENERIC_TYPE_IMAGE'):
chooser = ObjectChooser(_('Choose image'),
what_filter=mime.GENERIC_TYPE_IMAGE)
else:
chooser = ObjectChooser(_('Choose image'))
try:
result = chooser.run()
if result == gtk.RESPONSE_ACCEPT and chooser.get_selected_object():
jobject = chooser.get_selected_object()
else:
return False
if jobject and jobject.file_path:
logging.debug("journal_open_image: fname=%s" % jobject.file_path)
try:
self.orig_pic = gtk.gdk.pixbuf_new_from_file (jobject.file_path)
self.filename = os.path.join('images', os.path.basename(jobject.file_path))
except Exception, e:
logging.error("journal_open_image: %s" % e)
return False
else:
return False
finally:
chooser.destroy()
del chooser
self.object_chooser_active = False
self.text = self.filename[0:self.filename.rfind('.')]
self.recalc_edges(True)
return True
def draw (self, context):
ResizableThought.draw(self, context)
if self.pic:
context.set_source_pixbuf (self.pic, self.pic_location[0], self.pic_location[1])
context.rectangle (self.pic_location[0], self.pic_location[1], self.width, self.height)
context.fill ()
context.set_source_rgb (0,0,0)
def export (self, context, move_x, move_y):
utils.export_thought_outline (context, self.ul, self.lr, self.background_color, self.am_selected, self.am_primary, utils.STYLE_NORMAL,
(move_x, move_y))
if self.pic:
raw_pixels = self.pic.get_pixels_array()
if hasattr(context, "set_source_pixbuf"):
context.set_source_pixbuf (self.pic, self.pic_location[0]+move_x, self.pic_location[1]+move_y)
elif hasattr(context, "set_source_surface"):
pixel_array = utils.pixbuf_to_cairo (raw_pixels)
image_surface = cairo.ImageSurface.create_for_data(pixel_array, cairo.FORMAT_ARGB32, len(raw_pixels[0]), len(raw_pixels), -1)
context.set_source_surface (image_surface, self.pic_location[0]+move_x, self.pic_location[1]+move_y)
context.rectangle (self.pic_location[0]+move_x, self.pic_location[1]+move_y, len(raw_pixels[0]), len(raw_pixels))
context.fill ()
context.set_source_rgb (0,0,0)
def recalc_edges (self, force=False, scale=gtk.gdk.INTERP_HYPER):
self.lr = (self.ul[0]+self.width, self.ul[1]+self.height)
margin = utils.margin_required (utils.STYLE_NORMAL)
self.pic_location = (self.ul[0]+margin[0], self.ul[1]+margin[1])
pic_w = max(MIN_SIZE, self.width - margin[0] - margin[2])
pic_h = max(MIN_SIZE, self.height - margin[1] - margin[3])
if self.orig_pic and (force or not self.pic or self.pic.get_width() != pic_w
or self.pic.get_height() != pic_h):
self.pic = self.orig_pic.scale_simple(int(pic_w),
int(pic_h), scale)
def process_button_down (self, event, coords):
if ResizableThought.process_button_down(self, event, coords):
return True
return False
def process_button_release (self, event, transformed):
if self.button_down:
if self.creating:
if not self.journal_open_image():
return False
if self.width >= MIN_SIZE or self.height >= MIN_SIZE:
self.width = max(MIN_SIZE, self.width)
self.height = max(MIN_SIZE, self.height)
else:
self.width = self.orig_pic.get_width()
self.height = self.orig_pic.get_height()
self.creating = False
else:
self.undo.add_undo (UndoManager.UndoAction (self, UNDO_RESIZE, \
self.undo_resize, self.orig_size, (self.ul, self.width, self.height)))
self.recalc_edges(True)
return ResizableThought.process_button_release(self, event, transformed)
def handle_motion (self, event, coords):
if self.object_chooser_active:
return False
if ResizableThought.handle_motion(self, event, coords):
self.recalc_edges(False, gtk.gdk.INTERP_NEAREST)
return True
return False
def update_save (self):
text = self.extended_buffer.get_text ()
if text:
self.extended_buffer.update_save()
else:
try:
self.element.removeChild(self.extended_buffer.element)
except xml.dom.NotFoundErr:
pass
self.element.setAttribute ("ul-coords", str(self.ul))
self.element.setAttribute ("lr-coords", str(self.lr))
self.element.setAttribute ("identity", str(self.identity))
self.element.setAttribute ("background-color", self.background_color.to_string())
self.element.setAttribute ("file", str(self.filename))
self.element.setAttribute ("image_width", str(self.width))
self.element.setAttribute ("image_height", str(self.height))
if self.am_selected:
self.element.setAttribute ("current_root", "true")
else:
try:
self.element.removeAttribute ("current_root")
except xml.dom.NotFoundErr:
pass
if self.am_primary:
self.element.setAttribute ("primary_root", "true")
else:
try:
self.element.removeAttribute ("primary_root")
except xml.dom.NotFoundErr:
pass
def save (self, tar):
if not [i for i in tar.getnames() if i == self.filename]:
tar.write(self.filename, self.orig_pic)
def load (self, node, tar):
tmp = node.getAttribute ("ul-coords")
self.ul = utils.parse_coords (tmp)
tmp = node.getAttribute ("lr-coords")
self.lr = utils.parse_coords (tmp)
self.filename = os.path.join('images',
os.path.basename(node.getAttribute ("file")))
self.identity = int (node.getAttribute ("identity"))
try:
tmp = node.getAttribute ("background-color")
self.background_color = gtk.gdk.color_parse(tmp)
except ValueError:
pass
self.width = float(node.getAttribute ("image_width"))
self.height = float(node.getAttribute ("image_height"))
self.am_selected = node.hasAttribute ("current_root")
self.am_primary = node.hasAttribute ("primary_root")
for n in node.childNodes:
if n.nodeName == "Extended":
self.extended_buffer.load(n)
else:
print "Unknown: "+n.nodeName
margin = utils.margin_required (utils.STYLE_NORMAL)
self.pic_location = (self.ul[0]+margin[0], self.ul[1]+margin[1])
self.orig_pic = tar.read_pixbuf(self.filename)
self.lr = (self.pic_location[0]+self.width+margin[2], self.pic_location[1]+self.height+margin[3])
self.recalc_edges()
def enter (self):
self.editing = True
|
