def drag_get_signal(self, widget, drag_context, selection_data, info,
timestamp):
'''
callback triggered to set the selection_data payload
(viewer is the source of the drop)
'''
if self.drag_item == None:
return
if info == self.TARGET_TYPE_IMAGE:
selection_data.set('image-filename', 8, self.drag_item.uid)
if info == self.TARGET_TYPE_XDS: #drag save is currently disabled (unnecessary?)
if self.XDS_ATOM in drag_context.targets:
typ, fmt, dest = drag_context.source_window.property_get(
self.XDS_ATOM, self.TEXT_ATOM)
success = True
code = self.XDS_SUCCESS if success else self.XDS_ERROR
selection_data.set(selection_data.target, 8, code)
self.drag_item = None
if info == self.TARGET_TYPE_URI_LIST:
size = None
if settings.dragdrop_resize > 0:
size = (settings.dragdrop_max_size, settings.dragdrop_max_size)
if not self.drag_item.selected:
path = imagemanip.get_jpeg_or_png_image_file(
self.drag_item, self.active_collection, size,
settings.dragdrop_strip_metadata,
settings.dragdrop_apply_edits)
print 'path', path
if path is None:
return
uri = io.get_uri(
path
) #I don't know why, but nautilius expects uris enclosed in quotes
selection_data.set_uris([uri])
else:
uris = []
i = 0
while i < len(self.active_view):
item = self.active_view(i)
if item.selected:
path = imagemanip.get_jpeg_or_png_image_file(
item, self.active_collection, size,
settings.dragdrop_strip_metadata,
settings.dragdrop_apply_edits)
if path is None:
continue
uri = io.get_uri(path)
uris.append(uri)
i += 1
print 'uris', uris
selection_data.set_uris(uris)
def update_thumb_date(item,
collection,
cache=None,
interrupt_fn=None,
remove_old=True):
'''
sets the internal date of the cached thumbnail image to that of the image file
if the thumbnail name the thumbnail name will be updated
if no thumbnail is present it will be created
interrupt_fn - callback that returns False if job should be interrupted
remove_old - if the item name has changed, removes the old thumbnail
affects mtime, thumb, thumburi members of item
'''
itemfile = collection.get_path(item)
item.mtime = io.get_mtime(itemfile)
if item.thumburi:
oldthumburi = item.thumburi
if not item.thumb:
load_thumb(item, collection)
uri = io.get_uri(itemfile)
if cache == None:
thumb_factory.save_thumbnail(item.thumb, uri, int(item.mtime))
item.thumburi = thumb_factory.lookup(uri, int(item.mtime))
else:
if not os.path.exists(cache):
os.makedirs(cache)
item.thumburi = os.path.join(
cache, muuid(item.uid + str(int(item.mtime)))) + '.png'
item.thumb.save(item.thumburi, "png")
if remove_old and oldthumburi != item.thumburi:
io.remove_file(oldthumburi)
return True
return make_thumb(item, collection, interrupt_fn, cache=cache)
def update_thumb_date(item,collection,cache=None,interrupt_fn=None,remove_old=True):
'''
sets the internal date of the cached thumbnail image to that of the image file
if the thumbnail name the thumbnail name will be updated
if no thumbnail is present it will be created
interrupt_fn - callback that returns False if job should be interrupted
remove_old - if the item name has changed, removes the old thumbnail
affects mtime, thumb, thumburi members of item
'''
itemfile=collection.get_path(item)
item.mtime=io.get_mtime(itemfile)
if item.thumburi:
oldthumburi=item.thumburi
if not item.thumb:
load_thumb(item,collection)
uri = io.get_uri(itemfile)
if cache==None:
thumb_factory.save_thumbnail(item.thumb,uri,int(item.mtime))
item.thumburi=thumb_factory.lookup(uri,int(item.mtime))
else:
if not os.path.exists(cache):
os.makedirs(cache)
item.thumburi=os.path.join(cache,muuid(item.uid+str(int(item.mtime))))+'.png'
item.thumb.save(item.thumburi,"png")
if remove_old and oldthumburi!=item.thumburi:
io.remove_file(oldthumburi)
return True
return make_thumb(item,collection,interrupt_fn,cache=cache)
def drag_get_signal(self, widget, drag_context, selection_data, info,
timestamp):
'''
callback triggered to set the selection_data payload
(viewer is the source of the drop)
'''
if self.item is None:
return
if info == self.TARGET_TYPE_IMAGE:
selection_data.set('image-filename', 8, self.item.uid)
if info == self.TARGET_TYPE_URI_LIST:
#TODO: this doesn't work because protocal isn't local
# if drag_context.protocol == gtk.gdk.DRAG_PROTO_LOCAL:
# self.collection.get_path(self.item)
# uri=io.get_uri(path)
# selection_data.set_uris([uri])
# print 'Internal Drag Drop from viewer using uri',uri
# print 'Protocol',drag_context.protocol, gtk.gdk.DRAG_PROTO_LOCAL
# return
size = None
if settings.dragdrop_resize:
size = (settings.dragdrop_max_size, settings.dragdrop_max_size)
path = imagemanip.get_jpeg_or_png_image_file(
self.item, self.collection, size,
settings.dragdrop_strip_metadata,
settings.dragdrop_apply_edits)
if path is None:
return
uri = io.get_uri(path)
selection_data.set_uris([uri])
print 'Drag Drop from viewer using uri', uri
def drag_get_signal(self, widget, drag_context, selection_data, info, timestamp):
'''
callback triggered to set the selection_data payload
(viewer is the source of the drop)
'''
if self.item is None:
return
if info == self.TARGET_TYPE_IMAGE:
selection_data.set('image-filename', 8, self.item.uid)
if info == self.TARGET_TYPE_URI_LIST:
#TODO: this doesn't work because protocal isn't local
# if drag_context.protocol == gtk.gdk.DRAG_PROTO_LOCAL:
# self.collection.get_path(self.item)
# uri=io.get_uri(path)
# selection_data.set_uris([uri])
# print 'Internal Drag Drop from viewer using uri',uri
# print 'Protocol',drag_context.protocol, gtk.gdk.DRAG_PROTO_LOCAL
# return
size=None
if settings.dragdrop_resize:
size=(settings.dragdrop_max_size,settings.dragdrop_max_size)
path = imagemanip.get_jpeg_or_png_image_file(self.item,self.collection,size,settings.dragdrop_strip_metadata,settings.dragdrop_apply_edits)
if path is None:
return
uri=io.get_uri(path)
selection_data.set_uris([uri])
print 'Drag Drop from viewer using uri',uri
def load_thumb(item,collection,cache=None):
'''
load thumbnail from a cache location (optionally using the
thumbnailing methods provided in gnome.ui if cache is None)
affects thumbnail, thumburi members of item
'''
##todo: rename load_thumb_from_cache
##note that loading thumbs embedded in image files is handled in load_thumb_from_preview_icon, load_embedded_thumb and load_metadata
if item.thumb==False:
return False
image=None
try:
if item.thumburi:
if settings.is_windows:
image=Image.open(item.thumburi)
image.thumbnail((128,128),pil_load_thumb_flags)
image = image_to_pixbuf(image)
else:
image=gtk.gdk.pixbuf_new_from_file(item.thumburi)
s=(image.get_width(),image.get_height())
if s[0]>128 or s[1]>128:
m=max(s)
w=s[0]*128/m
h=s[1]*128/m
image=image.scale_simple(w,h,gtk.gdk.INTERP_BILINEAR) #todo: doesn't this distort non-square images?
else:
if cache!=None:
thumburi=os.path.join(cache,muuid(item.uid+str(int(item.mtime))))
if os.path.exists(thumburi+'.png'):
thumburi = thumburi+'.png'
item.thumburi=thumburi
elif os.path.exists(thumburi+'.jpg'):
thumburi = thumburi+'.jpg'
item.thumburi=thumburi
elif collection.local_filesystem:
itemfile=collection.get_path(item)
uri = io.get_uri(itemfile)
item.thumburi=thumb_factory.lookup(uri,int(item.mtime))
if not item.thumburi:
thumburi=thumb_factory_large.lookup(uri,int(item.mtime))
if thumburi:
t=time.time()
image = Image.open(thumburi)
image.thumbnail((128,128),pil_load_thumb_flags)
image=image_to_pixbuf(image) #todo: not sure this works (maybe because thumbnail doesn't finalize data?)
elif item.thumburi:
t=time.time()
image=gtk.gdk.pixbuf_new_from_file(item.thumburi)
image=image.scale_simple(128,128, gtk.gdk.INTERP_BILINEAR) #todo: doesn't this distort non-square images?
except:
image=None
if image is not None:
item.thumb=image
cache_thumb_in_memory(item)
return True
else:
return False
def drag_get_signal(self, widget, drag_context, selection_data, info, timestamp):
'''
callback triggered to set the selection_data payload
(viewer is the source of the drop)
'''
if self.drag_item==None:
return
if info == self.TARGET_TYPE_IMAGE:
selection_data.set('image-filename', 8, self.drag_item.uid)
if info == self.TARGET_TYPE_XDS: #drag save is currently disabled (unnecessary?)
if self.XDS_ATOM in drag_context.targets:
typ, fmt, dest = drag_context.source_window.property_get(self.XDS_ATOM,self.TEXT_ATOM)
success=True
code = self.XDS_SUCCESS if success else self.XDS_ERROR
selection_data.set(selection_data.target, 8, code)
self.drag_item=None
if info == self.TARGET_TYPE_URI_LIST:
size=None
if settings.dragdrop_resize>0:
size=(settings.dragdrop_max_size,settings.dragdrop_max_size)
if not self.drag_item.selected:
path = imagemanip.get_jpeg_or_png_image_file(self.drag_item,self.active_collection,size,settings.dragdrop_strip_metadata,settings.dragdrop_apply_edits)
print 'path',path
if path is None:
return
uri=io.get_uri(path) #I don't know why, but nautilius expects uris enclosed in quotes
selection_data.set_uris([uri])
else:
uris=[]
i=0
while i<len(self.active_view):
item=self.active_view(i)
if item.selected:
path = imagemanip.get_jpeg_or_png_image_file(item,self.active_collection,size,settings.dragdrop_strip_metadata,settings.dragdrop_apply_edits)
if path is None:
continue
uri=io.get_uri(path)
uris.append(uri)
i+=1
print 'uris',uris
selection_data.set_uris(uris)
def has_thumb(item,collection,cache=None):
'''
returns true if the item has a thumbnail image in the cache
'''
fname=collection.get_path(item)
if item.thumburi and os.path.exists(item.thumburi):
return True
if cache==None:
uri = io.get_uri(fname)
item.thumburi=thumb_factory.lookup(uri,int(item.mtime))
if item.thumburi:
return True
if thumb_factory_large.lookup(uri,int(item.mtime)):
return True
else:
thumburi=os.path.join(cache,muuid(item.uid+str(int(item.mtime))))+'.png'
if os.path.exists(thumburi):
item.thumburi = thumburi
return True
return False
def has_thumb(item, collection, cache=None):
'''
returns true if the item has a thumbnail image in the cache
'''
fname = collection.get_path(item)
if item.thumburi and os.path.exists(item.thumburi):
return True
if cache == None:
uri = io.get_uri(fname)
item.thumburi = thumb_factory.lookup(uri, int(item.mtime))
if item.thumburi:
return True
if thumb_factory_large.lookup(uri, int(item.mtime)):
return True
else:
thumburi = os.path.join(
cache, muuid(item.uid + str(int(item.mtime)))) + '.png'
if os.path.exists(thumburi):
item.thumburi = thumburi
return True
return False
def make_thumb(item,
collection,
interrupt_fn=None,
force=False,
cache=None,
use_embedded=False,
write_to_cache=True):
'''
create a thumbnail from the original image using either PIL or dcraw
interrupt_fn = callback that returns False if routine should cancel (not implemented)
force = True if thumbnail should be recreated even if already present
affects thumb, thumburi members of item
'''
itemfile = collection.get_path(item)
thumb_pb = None
if cache == None and thumb_factory.has_valid_failed_thumbnail(
itemfile, int(item.mtime)):
if not force:
item.thumb = False
return False
print 'Forcing thumbnail creation'
uri = io.get_uri(itemfile)
thumb_uri = thumb_factory.lookup(uri, int(item.mtime))
if write_to_cache and thumb_uri:
os.remove(thumb_uri)
if not force and item.thumb == False:
return False
delete_thumb(item)
##todo: could also try extracting the thumb from the image (essential for raw files)
## would not need to make the thumb in that case
print 'Creating thumbnail for', item.uid, itemfile
t = time.time()
try:
uri = io.get_uri(itemfile)
mimetype = io.get_mime_type(itemfile)
thumb_pb = None
if mimetype.lower().startswith('video'):
cmd = settings.video_thumbnailer % (itemfile, )
imdata = os.popen(cmd).read()
image = Image.open(StringIO.StringIO(imdata))
image.thumbnail(
(128, 128),
Image.ANTIALIAS) ##TODO: this is INSANELY slow -- find out why
else:
try:
mime = io.get_mime_type(itemfile)
if use_embedded and load_embedded_thumb(item, collection):
thumb_pb = item.thumb
image = None
print 'Used embedded thumb'
elif not settings.is_windows and mime in gdk_mime_types: #todo: this is completely broken on windows
thumb_pb = gtk.gdk.pixbuf_new_from_file_at_size(
itemfile, 128, 128)
thumb_pb = orient_pixbuf(thumb_pb, item.meta)
image = None
print 'Opened with GDK'
else:
image = Image.open(itemfile)
image.thumbnail((128, 128), Image.ANTIALIAS)
print 'Opened with PIL'
except:
cmd = settings.dcraw_cmd % (itemfile, )
imdata = os.popen(cmd).read()
if not imdata or len(imdata) < 100:
cmd = settings.dcraw_backup_cmd % (itemfile, )
imdata = os.popen(cmd).read()
# pipe = subprocess.Popen(cmd, shell=True,
# stdout=PIPE) ##, close_fds=True
# print pipe
# pipe=pipe.stdout
# print 'pipe opened'
# imdata=pipe.read()
# print 'pipe read'
p = ImageFile.Parser()
p.feed(imdata)
image = p.close()
image.thumbnail((128, 128), Image.ANTIALIAS)
image = orient_image(image, item.meta)
print 'Opened with DCRAW'
if image is not None:
thumb_pb = image_to_pixbuf(image)
if thumb_pb is None:
raise TypeError
except:
item.thumb = False
item.thumburi = None
if write_to_cache and cache == None:
thumb_factory.create_failed_thumbnail(itemfile, int(item.mtime))
print 'Error creating thumbnail for', item
import sys
import traceback
tb_text = traceback.format_exc(sys.exc_info()[2])
print tb_text
return False
width = thumb_pb.get_width()
height = thumb_pb.get_height()
uri = io.get_uri(itemfile)
#save the new thumbnail
try:
if write_to_cache:
if cache == None:
thumb_factory.save_thumbnail(thumb_pb, uri, int(item.mtime))
item.thumburi = thumb_factory.lookup(uri, int(item.mtime))
else:
if not os.path.exists(cache):
os.makedirs(cache)
item.thumburi = os.path.join(
cache, muuid(item.uid + str(int(item.mtime)))) + '.png'
thumb_pb.save(item.thumburi, "png")
print 'cached at', item.thumburi
except:
print 'Error caching thumbnail for', item
import sys
import traceback
tb_text = traceback.format_exc(sys.exc_info()[2])
print tb_text
item.thumb = False
item.thumburi = None
if write_to_cache and cache == None:
thumb_factory.create_failed_thumbnail(itemfile, int(item.mtime))
return False
item.thumb = thumb_pb
cache_thumb_in_memory(item)
return True
def load_thumb(item, collection, cache=None):
'''
load thumbnail from a cache location (optionally using the
thumbnailing methods provided in gnome.ui if cache is None)
affects thumbnail, thumburi members of item
'''
##todo: rename load_thumb_from_cache
##note that loading thumbs embedded in image files is handled in load_thumb_from_preview_icon, load_embedded_thumb and load_metadata
if item.thumb == False:
return False
image = None
try:
if item.thumburi:
if settings.is_windows:
image = Image.open(item.thumburi)
image.thumbnail((128, 128), pil_load_thumb_flags)
image = image_to_pixbuf(image)
else:
image = gtk.gdk.pixbuf_new_from_file(item.thumburi)
s = (image.get_width(), image.get_height())
if s[0] > 128 or s[1] > 128:
m = max(s)
w = s[0] * 128 / m
h = s[1] * 128 / m
image = image.scale_simple(
w, h, gtk.gdk.INTERP_BILINEAR
) #todo: doesn't this distort non-square images?
else:
if cache != None:
thumburi = os.path.join(cache,
muuid(item.uid + str(int(item.mtime))))
if os.path.exists(thumburi + '.png'):
thumburi = thumburi + '.png'
item.thumburi = thumburi
elif os.path.exists(thumburi + '.jpg'):
thumburi = thumburi + '.jpg'
item.thumburi = thumburi
elif collection.local_filesystem:
itemfile = collection.get_path(item)
uri = io.get_uri(itemfile)
item.thumburi = thumb_factory.lookup(uri, int(item.mtime))
if not item.thumburi:
thumburi = thumb_factory_large.lookup(uri, int(item.mtime))
if thumburi:
t = time.time()
image = Image.open(thumburi)
image.thumbnail((128, 128), pil_load_thumb_flags)
image = image_to_pixbuf(
image
) #todo: not sure this works (maybe because thumbnail doesn't finalize data?)
elif item.thumburi:
t = time.time()
image = gtk.gdk.pixbuf_new_from_file(item.thumburi)
image = image.scale_simple(
128, 128, gtk.gdk.INTERP_BILINEAR
) #todo: doesn't this distort non-square images?
except:
image = None
if image is not None:
item.thumb = image
cache_thumb_in_memory(item)
return True
else:
return False
def make_thumb(item,collection,interrupt_fn=None,force=False,cache=None,use_embedded=False,write_to_cache=True):
'''
create a thumbnail from the original image using either PIL or dcraw
interrupt_fn = callback that returns False if routine should cancel (not implemented)
force = True if thumbnail should be recreated even if already present
affects thumb, thumburi members of item
'''
itemfile=collection.get_path(item)
thumb_pb=None
if cache==None and thumb_factory.has_valid_failed_thumbnail(itemfile,int(item.mtime)):
if not force:
item.thumb=False
return False
print 'Forcing thumbnail creation'
uri = io.get_uri(itemfile)
thumb_uri=thumb_factory.lookup(uri,int(item.mtime))
if write_to_cache and thumb_uri:
os.remove(thumb_uri)
if not force and item.thumb==False:
return False
delete_thumb(item)
##todo: could also try extracting the thumb from the image (essential for raw files)
## would not need to make the thumb in that case
print 'Creating thumbnail for',item.uid,itemfile
t=time.time()
try:
uri = io.get_uri(itemfile)
mimetype=io.get_mime_type(itemfile)
thumb_pb=None
if mimetype.lower().startswith('video'):
cmd=settings.video_thumbnailer%(itemfile,)
imdata=os.popen(cmd).read()
image=Image.open(StringIO.StringIO(imdata))
image.thumbnail((128,128),Image.ANTIALIAS) ##TODO: this is INSANELY slow -- find out why
else:
try:
mime=io.get_mime_type(itemfile)
if use_embedded and load_embedded_thumb(item,collection):
thumb_pb = item.thumb
image = None
print 'Used embedded thumb'
elif not settings.is_windows and mime in gdk_mime_types: #todo: this is completely broken on windows
thumb_pb = gtk.gdk.pixbuf_new_from_file_at_size(itemfile,128,128)
thumb_pb = orient_pixbuf(thumb_pb,item.meta)
image = None
print 'Opened with GDK'
else:
image=Image.open(itemfile)
image.thumbnail((128,128),Image.ANTIALIAS)
print 'Opened with PIL'
except:
cmd=settings.dcraw_cmd%(itemfile,)
imdata=os.popen(cmd).read()
if not imdata or len(imdata)<100:
cmd=settings.dcraw_backup_cmd%(itemfile,)
imdata=os.popen(cmd).read()
# pipe = subprocess.Popen(cmd, shell=True,
# stdout=PIPE) ##, close_fds=True
# print pipe
# pipe=pipe.stdout
# print 'pipe opened'
# imdata=pipe.read()
# print 'pipe read'
p = ImageFile.Parser()
p.feed(imdata)
image = p.close()
image.thumbnail((128,128),Image.ANTIALIAS)
image=orient_image(image,item.meta)
print 'Opened with DCRAW'
if image is not None:
thumb_pb=image_to_pixbuf(image)
if thumb_pb is None:
raise TypeError
except:
item.thumb=False
item.thumburi=None
if write_to_cache and cache==None:
thumb_factory.create_failed_thumbnail(itemfile,int(item.mtime))
print 'Error creating thumbnail for',item
import sys
import traceback
tb_text=traceback.format_exc(sys.exc_info()[2])
print tb_text
return False
width=thumb_pb.get_width()
height=thumb_pb.get_height()
uri = io.get_uri(itemfile)
#save the new thumbnail
try:
if write_to_cache:
if cache==None:
thumb_factory.save_thumbnail(thumb_pb,uri,int(item.mtime))
item.thumburi=thumb_factory.lookup(uri,int(item.mtime))
else:
if not os.path.exists(cache):
os.makedirs(cache)
item.thumburi=os.path.join(cache,muuid(item.uid+str(int(item.mtime))))+'.png'
thumb_pb.save(item.thumburi,"png")
print 'cached at',item.thumburi
except:
print 'Error caching thumbnail for',item
import sys
import traceback
tb_text=traceback.format_exc(sys.exc_info()[2])
print tb_text
item.thumb=False
item.thumburi=None
if write_to_cache and cache==None:
thumb_factory.create_failed_thumbnail(itemfile,int(item.mtime))
return False
item.thumb=thumb_pb
cache_thumb_in_memory(item)
return True
