def __on_size_allocated_cb(self):
if not self.__cut_grips is None:
return
(a, b, img_w, img_h) = self.imgs['orig'][1].getbbox()
orig_alloc = self.__original_img_widgets['viewport'].get_allocation()
(orig_alloc_w, orig_alloc_h) = (orig_alloc.width, orig_alloc.height)
factor_w = (float(orig_alloc_w) / img_w)
factor_h = (float(orig_alloc_h) / img_h)
factor = min(factor_w, factor_h)
if factor > 1.0:
factor = 1.0
target_size = (int(factor * img_w), int(factor * img_h))
copy = self.imgs['orig'][1].copy()
self.imgs['resized'] = (factor,
copy.resize(target_size, PIL.Image.BILINEAR))
self.__cut_grips = ImgGripHandler(
[self.imgs['resized'], self.imgs['orig']],
self.__original_img_widgets['scrolledwindow'],
self.__original_img_widgets['eventbox'],
self.__original_img_widgets['img'])
self.__cut_grips.visible = False
self.__cut_grips.connect("grip-moved", self.__on_grip_moved_cb)
self.__redraw_result()
def __on_size_allocated_cb(self):
if not self.__cut_grips is None:
return
(a, b, img_w, img_h) = self.imgs['orig'][1].getbbox()
orig_alloc = self.__original_img_widgets['viewport'].get_allocation()
(orig_alloc_w, orig_alloc_h) = (orig_alloc.width, orig_alloc.height)
factor_w = (float(orig_alloc_w) / img_w)
factor_h = (float(orig_alloc_h) / img_h)
factor = min(factor_w, factor_h)
if factor > 1.0:
factor = 1.0
target_size = (int(factor * img_w), int(factor * img_h))
copy = self.imgs['orig'][1].copy()
self.imgs['resized'] = (factor, copy.resize(
target_size, Image.BILINEAR))
self.__cut_grips = ImgGripHandler(
[self.imgs['resized'], self.imgs['orig']],
self.__original_img_widgets['scrolledwindow'],
self.__original_img_widgets['eventbox'],
self.__original_img_widgets['img'])
self.__cut_grips.visible = False
self.__cut_grips.connect("grip-moved", self.__on_grip_moved_cb)
self.__redraw_result()
class PageEditingDialog(object):
def __init__(self, main_window, page):
self.page = page
widget_tree = load_uifile("pageeditingdialog.glade")
self.__dialog = widget_tree.get_object("dialogPageEditing")
self.__dialog.set_transient_for(main_window.window)
self.__original_img_widgets = {
'img' : widget_tree.get_object("imageOriginal"),
'scrolledwindow' : widget_tree.get_object("scrolledwindowOriginal"),
'eventbox' : widget_tree.get_object("eventboxOriginal"),
'viewport' : widget_tree.get_object("viewportOriginal")
}
self.__result_img_widget = widget_tree.get_object("imageResult")
self.__buttons = {
'cutting' : widget_tree.get_object("togglebuttonCutting"),
'rotate' : {
'clockwise' : (widget_tree.get_object("buttonRotateClockwise"),
90),
'counter_clockwise' : \
(widget_tree.get_object("buttonRotateCounterClockwise"),
-90),
}
}
self.__cut_grips = None
self.__original_img_widgets['viewport'].connect("size-allocate",
lambda widget, size: GObject.idle_add(self.__on_size_allocated_cb))
self.__buttons['cutting'].connect("toggled",
lambda widget: GObject.idle_add(self.__on_cutting_button_toggled_cb))
self.__buttons['rotate']['clockwise'][0].connect("clicked",
lambda widget: \
GObject.idle_add(self.__on_rotate_activated_cb, widget))
self.__buttons['rotate']['counter_clockwise'][0].connect("clicked",
lambda widget: \
GObject.idle_add(self.__on_rotate_activated_cb, widget))
self.page = page
self.imgs = {
'orig' : (1.0, self.page.img)
}
self.__changes = []
def __on_size_allocated_cb(self):
if not self.__cut_grips is None:
return
(a, b, img_w, img_h) = self.imgs['orig'][1].getbbox()
orig_alloc = self.__original_img_widgets['viewport'].get_allocation()
(orig_alloc_w, orig_alloc_h) = (orig_alloc.width, orig_alloc.height)
factor_w = (float(orig_alloc_w) / img_w)
factor_h = (float(orig_alloc_h) / img_h)
factor = min(factor_w, factor_h)
if factor > 1.0:
factor = 1.0
target_size = (int(factor * img_w), int(factor * img_h))
copy = self.imgs['orig'][1].copy()
self.imgs['resized'] = (factor, copy.resize(
target_size, Image.BILINEAR))
self.__cut_grips = ImgGripHandler(
[self.imgs['resized'], self.imgs['orig']],
self.__original_img_widgets['scrolledwindow'],
self.__original_img_widgets['eventbox'],
self.__original_img_widgets['img'])
self.__cut_grips.visible = False
self.__cut_grips.connect("grip-moved", self.__on_grip_moved_cb)
self.__redraw_result()
def __on_cutting_button_toggled_cb(self):
self.__cut_grips.visible = self.__buttons['cutting'].get_active()
if not self.__cut_grips.visible:
PageCuttingAction.remove_from_action_queue(self.__changes)
self.__redraw_result()
else:
self.__on_grip_moved_cb(self.__cut_grips)
def __on_grip_moved_cb(self, grips):
cut = self.__cut_grips.get_coords()
action = PageCuttingAction(cut)
action.add_to_action_queue(self.__changes)
self.__redraw_result()
def __on_rotate_activated_cb(self, widget):
for (button, angle) in self.__buttons['rotate'].values():
if button == widget:
break
assert(button != None)
print "Adding action rotation of %d degrees" % angle
rotation = PageRotationAction(angle)
rotation.add_to_action_queue(self.__changes)
self.__redraw_result()
def __redraw_result(self):
(scale, img) = self.imgs['resized']
for action in self.__changes:
img = action.do(img, scale)
img = image2pixbuf(img)
self.__result_img_widget.set_from_pixbuf(img)
def get_changes(self):
resp_id = self.__dialog.run()
self.__dialog.destroy()
if resp_id == 1: # cancel
print "Image editing cancelled by user"
return []
return self.__changes
class PageEditingDialog(object):
def __init__(self, main_window, page):
self.page = page
widget_tree = load_uifile("pageeditingdialog.glade")
self.__dialog = widget_tree.get_object("dialogPageEditing")
self.__dialog.set_transient_for(main_window.window)
self.__original_img_widgets = {
'img': widget_tree.get_object("imageOriginal"),
'scrolledwindow': widget_tree.get_object("scrolledwindowOriginal"),
'eventbox': widget_tree.get_object("eventboxOriginal"),
'viewport': widget_tree.get_object("viewportOriginal")
}
self.__result_img_widget = widget_tree.get_object("imageResult")
self.__buttons = {
'cutting': widget_tree.get_object("togglebuttonCutting"),
'rotate': {
'clockwise': (widget_tree.get_object("buttonRotateClockwise"),
90),
'counter_clockwise':
(widget_tree.get_object("buttonRotateCounterClockwise"), -90),
}
}
self.__cut_grips = None
self.__original_img_widgets['viewport'].connect(
"size-allocate",
lambda widget, size: GObject.idle_add(self.__on_size_allocated_cb))
self.__buttons['cutting'].connect(
"toggled",
lambda widget: GObject.idle_add(
self.__on_cutting_button_toggled_cb))
self.__buttons['rotate']['clockwise'][0].connect(
"clicked",
lambda widget:
GObject.idle_add(self.__on_rotate_activated_cb, widget))
self.__buttons['rotate']['counter_clockwise'][0].connect(
"clicked",
lambda widget:
GObject.idle_add(self.__on_rotate_activated_cb, widget))
self.page = page
self.imgs = {
'orig': (1.0, self.page.img)
}
self.__changes = []
def __on_size_allocated_cb(self):
if not self.__cut_grips is None:
return
(a, b, img_w, img_h) = self.imgs['orig'][1].getbbox()
orig_alloc = self.__original_img_widgets['viewport'].get_allocation()
(orig_alloc_w, orig_alloc_h) = (orig_alloc.width, orig_alloc.height)
factor_w = (float(orig_alloc_w) / img_w)
factor_h = (float(orig_alloc_h) / img_h)
factor = min(factor_w, factor_h)
if factor > 1.0:
factor = 1.0
target_size = (int(factor * img_w), int(factor * img_h))
copy = self.imgs['orig'][1].copy()
self.imgs['resized'] = (factor,
copy.resize(target_size, PIL.Image.BILINEAR))
self.__cut_grips = ImgGripHandler(
[self.imgs['resized'], self.imgs['orig']],
self.__original_img_widgets['scrolledwindow'],
self.__original_img_widgets['eventbox'],
self.__original_img_widgets['img'])
self.__cut_grips.visible = False
self.__cut_grips.connect("grip-moved", self.__on_grip_moved_cb)
self.__redraw_result()
def __on_cutting_button_toggled_cb(self):
self.__cut_grips.visible = self.__buttons['cutting'].get_active()
if not self.__cut_grips.visible:
PageCuttingAction.remove_from_action_queue(self.__changes)
self.__redraw_result()
else:
self.__on_grip_moved_cb(self.__cut_grips)
def __on_grip_moved_cb(self, grips):
cut = self.__cut_grips.get_coords()
action = PageCuttingAction(cut)
action.add_to_action_queue(self.__changes)
self.__redraw_result()
def __on_rotate_activated_cb(self, widget):
for (button, angle) in self.__buttons['rotate'].values():
if button == widget:
break
assert(button is not None)
logger.info("Adding action rotation of %d degrees" % angle)
rotation = PageRotationAction(angle)
rotation.add_to_action_queue(self.__changes)
self.__redraw_result()
def __redraw_result(self):
(scale, img) = self.imgs['resized']
for action in self.__changes:
img = action.do(img, scale)
img = image2pixbuf(img)
self.__result_img_widget.set_from_pixbuf(img)
def get_changes(self):
resp_id = self.__dialog.run()
self.__dialog.destroy()
if resp_id == 1: # cancel
logger.info("Image editing cancelled by user")
return []
return self.__changes
