/gtk/prep-images : revision 3

2

#

3

4

#

5

# This file is part of add-copyright-to-images (hereafter referred to as "this

6

# program").

7

# See http://www.waxworlds.org/edam/software/add-copyright-to-images for more

5

# This file is part of prep-images (hereafter referred to as "this program").

6

# See http://www.waxworlds.org/edam/software/gtk/prep-images for more

8

7

# information.

9

8

#

10

9

# This program is free software: you can redistribute it and/or modify

11

# it under the terms of the GNU Lesser General Public License as published

12

# by the Free Software Foundation, either version 3 of the License, or

10

# it under the terms of the GNU General Public License as published by

11

# the Free Software Foundation, either version 3 of the License, or

13

12

# (at your option) any later version.

14

13

#

15

14

# This program is distributed in the hope that it will be useful,

16

15

# but WITHOUT ANY WARRANTY; without even the implied warranty of

17

16

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

18

# GNU Lesser General Public License for more details.

17

# GNU General Public License for more details.

19

18

#

20

# You should have received a copy of the GNU Lesser General Public License

19

# You should have received a copy of the GNU General Public License

21

20

# along with this program. If not, see <http://www.gnu.org/licenses/>.

22

21

23

22

54

53

# work out the initial size of the drawing area so that the greatest of

55

54

# the two dimensions is 450px

56

55

scale = min( \

57

float( self.DRAWING_AREA_INIT_WIDTH ) / self.pic.get_width(), \

58

float( self.DRAWING_AREA_INIT_HEIGHT ) / self.pic.get_height() )

56

float( self.DRAWING_AREA_INIT_WIDTH ) / self.pic.get_width(), \

57

float( self.DRAWING_AREA_INIT_HEIGHT ) / self.pic.get_height() )

59

58

init_width = int( round( scale * self.pic.get_width() ) )

60

59

init_height = int( round( scale * self.pic.get_height() ) )

61

60

74

73

self.drawing_area = gtk.DrawingArea()

75

74

self.drawing_area.set_size_request( init_width, init_height )

76

75

self.drawing_area.add_events( gtk.gdk.POINTER_MOTION_MASK | \

77

gtk.gdk.POINTER_MOTION_HINT_MASK | \

78

gtk.gdk.BUTTON_PRESS_MASK )

76

gtk.gdk.POINTER_MOTION_HINT_MASK | \

77

gtk.gdk.BUTTON_PRESS_MASK )

79

78

self.drawing_area.connect( "configure_event", \

80

self.drawing_area_configure_event )

79

self.drawing_area_configure_event )

81

80

self.drawing_area.connect( "expose_event", \

82

self.drawing_area_expose_event )

81

self.drawing_area_expose_event )

83

82

self.drawing_area.connect( "motion_notify_event", \

84

self.motion_notify_event )

83

self.motion_notify_event )

85

84

self.drawing_area.connect( "button_press_event", \

86

self.drawing_area_button_press_event )

85

self.drawing_area_button_press_event )

87

86

vbox.pack_start( self.drawing_area, True, True, 0 )

88

87

89

88

# create buttons

101

100

left_button_box.pack_start( prefs_button, True, True, 0 )

102

101

cancel_button = gtk.Button( stock = gtk.STOCK_CANCEL )

103

102

cancel_button.connect_object( "clicked", gtk.Widget.destroy, \

104

self.window )

103

self.window )

105

104

button_box.pack_end( cancel_button, True, True, 0 )

106

105

self.ok_button = gtk.Button( stock = gtk.STOCK_APPLY )

107

106

self.ok_button.connect( "clicked", self.ok_button_pressed )

117

116

self.load_copyright_image()

118

117

119

118

def load_main_image( self ):

119

120

# load image file

121

try:

122

self.pic = gtk.gdk.pixbuf_new_from_file( self.filename )

123

except gobject.GError as e:

124

dialog = gtk.MessageDialog( None, gtk.DIALOG_MODAL, \

125

gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, e.message )

125

gtk.MESSAGE_ERROR, gtk.BUTTONS_CLOSE, e.message )

126

dialog.run()

127

dialog.destroy()

128

exit( 1 )

130

# scale it

131

if self.prefs.resize:

132

scale = min( \

133

float( self.prefs.resize_width ) / self.pic.get_width(), \

134

float( self.prefs.resize_height ) / self.pic.get_height() )

133

float( self.prefs.resize_width ) / self.pic.get_width(), \

134

float( self.prefs.resize_height ) / self.pic.get_height() )

135

self.pic = self.pic.scale_simple( \

136

int( round( scale * self.pic.get_width() ) ), \

137

int( round( scale * self.pic.get_height() ) ), \

146

# check if we've got a copyright filename set

147

if self.prefs.copyright_filename == '':

148

dialog = gtk.MessageDialog( self.window, gtk.DIALOG_MODAL, \

149

gtk.MESSAGE_INFO, gtk.BUTTONS_OK, \

150

"No copyright image has been set. " + \

151

"Please set one in the Preferences." )

149

gtk.MESSAGE_INFO, gtk.BUTTONS_OK, \

150

"No copyright image has been set. " + \

151

"Please set one in the Preferences." )

152

dialog.format_secondary_text( "While this issue persists, you " + \

153

"can not proceed with this operation" )

153

"can not proceed with this operation" )

154

dialog.run()

155

dialog.destroy()

156

return

158

# load copyright overlay image file

159

try:

160

self.copyright_pic = gtk.gdk.pixbuf_new_from_file( \

161

os.path.expanduser( self.prefs.copyright_filename ) )

161

os.path.expanduser( self.prefs.copyright_filename ) )

162

except gobject.GError as e:

163

dialog = gtk.MessageDialog( None, gtk.DIALOG_MODAL, \

164

gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, \

165

"Unable to load copyright overlay image: " + \

166

e.message )

164

gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, \

165

"Unable to load copyright overlay image: " + \

166

e.message )

167

dialog.format_secondary_text( "While this issue persists, you " + \

168

"can not proceed with this operation" )

168

"can not proceed with this operation" )

169

dialog.run()

170

dialog.destroy()

171

return

174

if self.copyright_pic.get_width() > self.pic.get_width() or \

175

self.copyright_pic.get_height() > self.pic.get_height():

176

dialog = gtk.MessageDialog( None, gtk.DIALOG_MODAL, \

177

gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, \

178

"The copyright overlay image is larger than the photo!" )

177

gtk.MESSAGE_ERROR, gtk.BUTTONS_OK, \

178

"The copyright overlay image is larger than the photo!" )

179

dialog.format_secondary_text( "While this issue persists, you " + \

180

"can not proceed with this operation" )

181

dialog.run()

200

else:

201

append = self.prefs.export_append

202

out_filename = self.filename[ : self.filename.rindex( '.' ) ] + \

203

append + self.filename[ self.filename.rindex( '.' ) : ]

203

append + self.filename[ self.filename.rindex( '.' ) : ]

204

205

# calculate geometry

206

top = 0 if self.pos.find( 'top' ) != -1 else \

207

self.pic.get_height() - self.copyright_pic.get_height()

207

self.pic.get_height() - self.copyright_pic.get_height()

208

left = 0 if self.pos.find( 'left' ) != -1 else \

209

self.pic.get_width() - self.copyright_pic.get_width()

209

self.pic.get_width() - self.copyright_pic.get_width()

210

211

infile = self.filename

212

213

# caluclate program args

213

# calculate program args

214

resize_geometry = str( self.prefs.resize_width ) + "x" + \

215

str( self.prefs.resize_height )

215

str( self.prefs.resize_height )

216

copyright_geometry = str( self.copyright_pic.get_width() ) + \

217

"x" + str( self.copyright_pic.get_height() ) + "+" + \

218

str( left ) + "+" + str( top )

217

"x" + str( self.copyright_pic.get_height() ) + "+" + \

218

str( left ) + "+" + str( top )

219

args = [ self.IMAGEMAGICK_CONVERT_BIN, \

220

os.path.expanduser( self.prefs.copyright_filename ), \

221

"-geometry", copyright_geometry, \

222

"-compose", "screen", "-composite", \

223

out_filename ]

220

os.path.expanduser( self.prefs.copyright_filename ), \

221

"-geometry", copyright_geometry, \

222

"-compose", "screen", "-composite", \

223

out_filename ]

224

if( self.prefs.resize ):

225

args[ 1 : 1 ] = [ "(", "-resize", resize_geometry, \

226

self.filename, ")" ]

226

self.filename, ")" ]

227

else:

228

args[ 1 : 1 ] = [ self.filename ]

229

243

os.rename( self.filename, self.filename + ".old" )

244

except OSError as e:

245

print >>sys.stderr, "Could not rename original image file: ", \

246

e.strerror

246

e.strerror

247

exit( 1 )

248

249

# move new file in-place

311

state = event.state

312

313

# calculate copyright overlay pos

314

pos = ( "top" if y <= height / 2 else "bottom" ) + "-" + \

315

( "left" if x <= width / 2 else "right" )

314

pos = ( "top" if y <= height / 2 else "bottom" ) + "-" + \

315

( "left" if x <= width / 2 else "right" )

316

317

# redraw if necessary

318

if getattr( self, "pos", None ) != pos:

331

332

# work out minimum scale required to fit pic_orig in to the widget area

333

scale = min( float( width ) / self.pic.get_width(),

334

float( height ) / self.pic.get_height() )

334

float( height ) / self.pic.get_height() )

335

336

# scale the images

337

self.pic_scale = self.pic.scale_simple( \

338

int( round( scale * self.pic.get_width() ) ), \

339

int( round( scale * self.pic.get_height() ) ), \

340

gtk.gdk.INTERP_BILINEAR )

338

int( round( scale * self.pic.get_width() ) ), \

339

int( round( scale * self.pic.get_height() ) ), \

340

gtk.gdk.INTERP_BILINEAR )

341

if self.copyright_pic != None:

342

self.copyright_pic_scale = self.copyright_pic.scale_simple( \

343

int( round( scale * self.copyright_pic.get_width() ) ), \

344

int( round( scale * self.copyright_pic.get_height() ) ), \

345

gtk.gdk.INTERP_BILINEAR )

343

int( round( scale * self.copyright_pic.get_width() ) ), \

344

int( round( scale * self.copyright_pic.get_height() ) ), \

345

gtk.gdk.INTERP_BILINEAR )

346

347

# recreate the pixmap to render to the screen

348

self.generate_pixmap()

351

widget = self.drawing_area

352

x, y, width, height = widget.get_allocation()

353

354

# calculate offsets to center pic in drawing area

354

# calculate offsets to centre pic in drawing area

355

pre_width = ( width - self.pic_scale.get_width() ) / 2

356

pre_height = ( height - self.pic_scale.get_height() ) / 2

357

post_width = width - self.pic_scale.get_width() - pre_width

364

pixbuf = self.pic_scale.copy()

365

366

if self.copyright_pic != None and \

367

getattr( self, "copyright_pic_scale", None ) != None:

367

getattr( self, "copyright_pic_scale", None ) != None:

368

369

# work out position of copyright overlay

370

if self.pos == "top-left" or self.pos == "bottom-left":

371

x = 0

372

if self.pos == "top-right" or self.pos == "bottom-right":

373

x = self.pic_scale.get_width() - \

374

self.copyright_pic_scale.get_width()

374

self.copyright_pic_scale.get_width()

375

if self.pos == "top-left" or self.pos == "top-right":

376

y = 0

377

if self.pos == "bottom-left" or self.pos == "bottom-right":

378

y = self.pic_scale.get_height() - \

379

self.copyright_pic_scale.get_height()

379

self.copyright_pic_scale.get_height()

380

381

# draw copyright

382

self.copyright_pic_scale.composite( pixbuf, x, y, \

383

self.copyright_pic_scale.get_width(), \

384

self.copyright_pic_scale.get_height(), \

385

x, y, 1, 1, gtk.gdk.INTERP_NEAREST, 255 )

383

self.copyright_pic_scale.get_width(), \

384

self.copyright_pic_scale.get_height(), \

385

x, y, 1, 1, gtk.gdk.INTERP_NEAREST, 255 )

386

387

# draw composit pixbuf to the off-screen pixmap

387

# draw composite pixbuf to the off-screen pixmap

388

self.pixmap.draw_pixbuf( widget.get_style().white_gc, \

389

pixbuf, 0, 0, pre_width, pre_height, \

390

pixbuf.get_width(), pixbuf.get_height() )

389

pixbuf, 0, 0, pre_width, pre_height, \

390

pixbuf.get_width(), pixbuf.get_height() )

391

392

# draw black rectangles if the pic is being centered

392

# draw black rectangles if the pic is being centred

393

if pre_width > 0 or pre_height > 0:

394

self.pixmap.draw_rectangle( widget.get_style().black_gc, True, \

395

0, 0, \

396

pre_width if pre_width > 0 else width, \

397

pre_height if pre_height > 0 else height )

395

0, 0, \

396

pre_width if pre_width > 0 else width, \

397

pre_height if pre_height > 0 else height )

398

if post_width > 0 or post_height > 0:

399

self.pixmap.draw_rectangle( widget.get_style().black_gc, True, \

400

width - post_width if post_width > 0 else 0, \

401

height - post_height if post_height > 0 else 0, \

402

post_width if post_width > 0 else width, \

403

post_height if post_height > 0 else height )

400

width - post_width if post_width > 0 else 0, \

401

height - post_height if post_height > 0 else 0, \

402

post_width if post_width > 0 else width, \

403

post_height if post_height > 0 else height )

404

405

def move_pos( self, tok_from, tok_to ):

406

407

# calculate copyright overlay pos

407

408

pos = self.pos.replace( tok_from, tok_to, 1 )

408

409

415

416

def drawing_area_expose_event( self, widget, event ):

416

417

x, y, width, height = event.area

417

418

widget.window.draw_drawable( \

418

widget.get_style().fg_gc[ gtk.STATE_NORMAL ], \

419

self.pixmap, x, y, x, y, width, height )

419

widget.get_style().fg_gc[ gtk.STATE_NORMAL ], \

420

self.pixmap, x, y, x, y, width, height )

420

421

return False