def on_button_clicked(self, widget, operation):
if operation == 'load-new-image':
dialog = Gtk.FileChooserDialog(
_('Select one images to upload to Picasa Web'), self,
Gtk.FileChooserAction.OPEN,
(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_OPEN,
Gtk.ResponseType.OK))
dialog.set_default_response(Gtk.ResponseType.OK)
filter = Gtk.FileFilter()
filter.set_name(_('Imagenes'))
filter.add_mime_type('image/png')
filter.add_mime_type('image/jpeg')
filter.add_mime_type('image/gif')
filter.add_mime_type('image/x-ms-bmp')
filter.add_mime_type('image/x-icon')
filter.add_mime_type('image/tiff')
filter.add_mime_type('image/x-photoshop')
filter.add_mime_type('x-portable-pixmap')
filter.add_pattern('*.png')
filter.add_pattern('*.jpg')
filter.add_pattern('*.gif')
filter.add_pattern('*.bmp')
filter.add_pattern('*.ico')
filter.add_pattern('*.tiff')
filter.add_pattern('*.psd')
filter.add_pattern('*.ppm')
dialog.add_filter(filter)
preview = Gtk.Image()
dialog.set_preview_widget(preview)
dialog.connect('update-preview', self.update_preview_cb, preview)
response = dialog.run()
if response == Gtk.ResponseType.OK:
self.filename = dialog.get_filename()
f = open(self.filename, 'rb')
data = f.read()
f.close()
pbl = GdkPixbuf.PixbufLoader()
pbl.write(data)
pbuf = pbl.get_pixbuf()
pbl.close()
if pbuf is not None:
self.aimage2.set_from_pixbuf(pbuf)
dialog.destroy()
elif operation == 'rotate-left':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.rotate_pixbuf(pixbuf, 90)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == 'rotate-right':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.rotate_pixbuf(pixbuf, 270)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == 'flip-horizontal':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.flip_pixbuf(pixbuf, True)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == 'flip-vertical':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.flip_pixbuf(pixbuf, False)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == 'grayscale':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.grayscale_pixbuf(pixbuf)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == 'instagram-sunset':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
image = utils.pixbuf2image(pixbuf)
filter = filters.CFilterSunset()
new_image = filter.applyFilter(image)
pixbuf = utils.image2pixbuf(new_image)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == 'instagram-colorful':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
image = utils.pixbuf2image(pixbuf)
filter = filters.CFilterColorful()
new_image = filter.applyFilter(image)
pixbuf = utils.image2pixbuf(new_image)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == 'instagram-groovy':
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
image = utils.pixbuf2image(pixbuf)
filter = filters.CFilterGroovy()
new_image = filter.applyFilter(image)
pixbuf = utils.image2pixbuf(new_image)
self.aimage2.set_from_pixbuf(pixbuf)
else:
pass
def on_button_clicked(self, widget, operation):
if operation == "load-new-image":
dialog = Gtk.FileChooserDialog(
_("Select one images to upload to Picasa Web"),
self,
Gtk.FileChooserAction.OPEN,
(Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL, Gtk.STOCK_OPEN, Gtk.ResponseType.OK),
)
dialog.set_default_response(Gtk.ResponseType.OK)
filter = Gtk.FileFilter()
filter.set_name(_("Imagenes"))
filter.add_mime_type("image/png")
filter.add_mime_type("image/jpeg")
filter.add_mime_type("image/gif")
filter.add_mime_type("image/x-ms-bmp")
filter.add_mime_type("image/x-icon")
filter.add_mime_type("image/tiff")
filter.add_mime_type("image/x-photoshop")
filter.add_mime_type("x-portable-pixmap")
filter.add_pattern("*.png")
filter.add_pattern("*.jpg")
filter.add_pattern("*.gif")
filter.add_pattern("*.bmp")
filter.add_pattern("*.ico")
filter.add_pattern("*.tiff")
filter.add_pattern("*.psd")
filter.add_pattern("*.ppm")
dialog.add_filter(filter)
preview = Gtk.Image()
dialog.set_preview_widget(preview)
dialog.connect("update-preview", self.update_preview_cb, preview)
response = dialog.run()
if response == Gtk.ResponseType.OK:
self.filename = dialog.get_filename()
f = open(self.filename, "rb")
data = f.read()
f.close()
pbl = GdkPixbuf.PixbufLoader()
pbl.write(data)
pbuf = pbl.get_pixbuf()
pbl.close()
if pbuf is not None:
self.aimage2.set_from_pixbuf(pbuf)
dialog.destroy()
elif operation == "rotate-left":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.rotate_pixbuf(pixbuf, 90)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == "rotate-right":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.rotate_pixbuf(pixbuf, 270)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == "flip-horizontal":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.flip_pixbuf(pixbuf, True)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == "flip-vertical":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.flip_pixbuf(pixbuf, False)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == "grayscale":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
pixbuf = picasamod.grayscale_pixbuf(pixbuf)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == "instagram-sunset":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
image = utils.pixbuf2image(pixbuf)
filter = filters.CFilterSunset()
new_image = filter.applyFilter(image)
pixbuf = utils.image2pixbuf(new_image)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == "instagram-colorful":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
image = utils.pixbuf2image(pixbuf)
filter = filters.CFilterColorful()
new_image = filter.applyFilter(image)
pixbuf = utils.image2pixbuf(new_image)
self.aimage2.set_from_pixbuf(pixbuf)
elif operation == "instagram-groovy":
pixbuf = self.aimage2.get_pixbuf()
if pixbuf is not None:
image = utils.pixbuf2image(pixbuf)
filter = filters.CFilterGroovy()
new_image = filter.applyFilter(image)
pixbuf = utils.image2pixbuf(new_image)
self.aimage2.set_from_pixbuf(pixbuf)
else:
pass
def get_pixbuf(self, maximo):
"""
Devuelve una GtkImage de la foto del empleado o de la foto por
defecto si no tiene.
Si maximo != None reescala la imagen para que ninguna de sus dos
dimensiones supere esa cantidad
"""
if self.data:
impil = foto.to_pil()
else:
from PIL import Image
impil = Image.open(os.path.join("..", "imagenes", "users.png"))
ancho, alto = impil.size
escala = (float(maximo) / max(ancho, alto))
impil = impil.resize((int(ancho * escala),
int(alto * escala)),
resample = 1)
pixbuf = utils.image2pixbuf(impil)
return pixbuf
def _set_data(self, value):
self._SO_set_data(value.encode('base64'))
def _get_data(self):
return self._SO_get_data().decode('base64')
def save_to_temp(self):
"""
Guarda la imagen en un temporal y devuelve la ruta a la misma.
"""
# OJO: 1.- No chequea que no haya imagen almacenada.
# 2.- No chequea que no exista una imagen con el mismo
# nombre o que no pueda escribir a disco por falta de
# espacio, etc.
from tempfile import gettempdir
from random import randint
dir = gettempdir()
nombre = "%d" % randint(10**9, 10**10 - 1)
ruta = os.path.join(dir, nombre)
f = open(ruta, "wb")
f.write(self.data)
f.close()
return ruta
def to_pil(self):
"""
Devuelve una imagen PIL a partir del BLOB guardado.
"""
from PIL import Image
path_tmp_im = self.save_to_temp()
im = Image.open(path_tmp_im)
return im
def store_from_file(self, ruta):
"""
Guarda la imagen especificada por la ruta en la base de datos.
"""
self.data = ""
f = open(ruta, "rb")
binchunk = f.read()
while binchunk:
self.data += binchunk
binchunk = f.read()
f.close()
def store_from_pil(self, imagen):
"""
Guarda la imagen del objeto PIL en la base de datos.
"""
import Image
# PLAN
raise NotImplementedError