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2007-09-10 Don Allingham <don@gramps-project.org>

Browse Source 
* src/ThumbNails.py: Added to handle the thumbnailing routines
	* src/DataViews/_MediaView.py: thumbnail updates
	* src/DataViews/_PedigreeView.py: thumbnail updates
	* src/DataViews/_RelationView.py: thumbnail updates
	* src/Editors/_EditMediaRef.py: thumbnail updates
	* src/Editors/_EditMedia.py: thumbnail updates
	* src/DisplayTabs/_GalleryTab.py: thumbnail updates
	* src/plugins/WebCal.py: thumbnail updates
	* src/plugins/NarrativeWeb.py: thumbnail updates
	* src/plugins/GraphViz.py: thumbnail updates
	* src/plugins/SimpleBookTitle.py: thumbnail updates
	* src/plugins/FamilyLines.py: thumbnail updates
	* src/DbManager.py: pylint fixes
	* src/ImgManip.py: pull out thumbnail routines

2007-09-08  Benny Malengier  <benny.malengier@gramps-project.org>
	* src/DataViews/_RelationView.py  : expand/collapse, edit button on/off bug fix




svn: r8958
This commit is contained in:
Don Allingham
2007-09-10 22:14:33 +00:00
parent 59bb4c9ea9
commit 992322d9b8
15 changed files with 392 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

114
src/ImgManip.py
View File

@@ -8,7 +8,7 @@
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# This program 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.
@@ -20,6 +20,11 @@
# $Id$
"""
Image manipulation routines.
"""
#-------------------------------------------------------------------------
#
# Standard python modules
@@ -49,10 +54,13 @@ import Utils
#-------------------------------------------------------------------------
#
#
# ImgManip
#
#-------------------------------------------------------------------------
class ImgManip:
"""
Image manipulation class
"""
def __init__(self, source):
self.src = source
try:
@@ -64,52 +72,50 @@ class ImgManip:
self.height = 0
def size(self):
"""
Returns a tuple consisting of the width, height of the image in pixels.
@rtype width and height of the image in pixels
@return tuple of two integers
"""
return (self.width, self.height)
def fmt_thumbnail(self,dest,width,height,cnv):
scaled = self.img.scale_simple(width, height, gtk.gdk.INTERP_BILINEAR)
scaled.save(dest,cnv)
def fmt_data(self, cnv):
fd, dest = tempfile.mkstemp()
self.img.save(dest,cnv)
fh = open(dest,mode='rb')
data = fh.read()
fh.close()
try:
os.unlink(dest)
except:
pass
return data
def fmt_scale_data(self, x, y, cnv):
fd, dest = tempfile.mkstemp()
scaled = self.img.scale_simple(int(x), int(y), gtk.gdk.INTERP_BILINEAR)
scaled.save(dest,cnv)
fh = open(dest,mode='rb')
data = fh.read()
fh.close()
try:
os.unlink(dest)
except:
pass
return data
def jpg_thumbnail(self, dest, width, height):
self.fmt_thumbnail(dest, width, height, "jpeg")
def jpg_data(self):
return self.fmt_data("jpeg")
"""
@type dest: unicode
@param dest : target filename
@type width: int
@param width: desired width of the image
@type height: int
@param height: desired height of the image
"""
scaled = self.img.scale_simple(width, height, gtk.gdk.INTERP_BILINEAR)
scaled.save(dest, 'jpeg')
def png_data(self):
return self.fmt_data("png")
fd, dest = tempfile.mkstemp()
self.img.save(dest, "png")
fh = open(dest, mode='rb')
data = fh.read()
fh.close()
try:
os.unlink(dest)
except:
pass
return data
def jpg_scale_data(self, x, y):
return self.fmt_scale_data(x, y, "jpeg")
def png_scale_data(self,x,y):
return self.fmt_scale_data(x, y, "png")
fd, dest = tempfile.mkstemp()
scaled = self.img.scale_simple(int(x), int(y), gtk.gdk.INTERP_BILINEAR)
scaled.save(dest, 'jpeg')
fh = open(dest, mode='rb')
data = fh.read()
fh.close()
try:
os.unlink(dest)
except:
pass
return data
def _build_thumb_path(path):
m = md5.md5(path)
@@ -118,18 +124,18 @@ def _build_thumb_path(path):
def run_thumbnailer(mtype, frm, to, size=const.THUMBSCALE):
if const.USE_THUMBNAILER and os.path.isfile(frm):
sublist = {
'%s' : "%dx%d" % (int(size),int(size)),
'%u' : frm,
'%o' : to,
'%s' : "%dx%d" % (int(size), int(size)),
'%u' : frm,
'%o' : to,
}
base = '/desktop/gnome/thumbnailers/%s' % mtype.replace('/','@')
base = '/desktop/gnome/thumbnailers/%s' % mtype.replace('/', '@')
cmd = Config.get_string(base + '/command')
enable = Config.get_bool(base + '/enable')
if cmd and enable:
cmdlist = map(lambda x: sublist.get(x,x),cmd.split())
cmdlist = map(lambda x: sublist.get(x, x), cmd.split())
os.spawnvpe(os.P_WAIT, cmdlist[0], cmdlist, os.environ)
return True
else:
@@ -138,19 +144,19 @@ def run_thumbnailer(mtype, frm, to, size=const.THUMBSCALE):
def set_thumbnail_image(path, mtype=None):
if mtype and not mtype.startswith('image/'):
run_thumbnailer(mtype,path,_build_thumb_path(path))
run_thumbnailer(mtype, path, _build_thumb_path(path))
else:
try:
pixbuf = gtk.gdk.pixbuf_new_from_file(path)
w = pixbuf.get_width()
h = pixbuf.get_height()
scale = const.THUMBSCALE / (float(max(w,h)))
scale = const.THUMBSCALE / (float(max(w, h)))
pw = int(w*scale)
ph = int(h*scale)
pixbuf = pixbuf.scale_simple(pw,ph,gtk.gdk.INTERP_BILINEAR)
pixbuf.save(_build_thumb_path(path),"png")
pixbuf = pixbuf.scale_simple(pw, ph, gtk.gdk.INTERP_BILINEAR)
pixbuf.save(_build_thumb_path(path), "png")
except:
pass
@@ -160,21 +166,21 @@ def get_thumbnail_image(path, mtype=None):
try:
path = Utils.find_file( path)
if not os.path.isfile(filename):
set_thumbnail_image(path,mtype)
set_thumbnail_image(path, mtype)
elif os.path.getmtime(path) > os.path.getmtime(filename):
set_thumbnail_image(path,mtype)
set_thumbnail_image(path, mtype)
return gtk.gdk.pixbuf_new_from_file(filename)
except (gobject.GError, OSError):
if mtype:
return Mime.find_mime_type_pixbuf(mtype)
else:
return gtk.gdk.pixbuf_new_from_file(os.path.join(
const.IMAGE_DIR,"document.png"))
const.IMAGE_DIR, "document.png"))
def get_thumbnail_path(path, mtype=None):
filename = _build_thumb_path(path)
if not os.path.isfile(filename):
set_thumbnail_image(path,mtype)
set_thumbnail_image(path, mtype)
return filename
def get_thumb_from_obj(obj):