def load(self, size):
""
if not self._original:
try:
self._original = pb_new(self.get_filename())
except gobject.GError:
exposong.log.error('Could not find "%s".', self.src)
return False
size[:] = get_size(self._original, size, self.aspect)
skey = 'x'.join(map(str, size))
if skey not in self._cache:
self._cache[skey] = scale_image(self._original, size, self.aspect)
return self._cache[skey]
def load(self, size):
"Loads an image based on a requested size [width, height]."
if not self.src or not os.path.isfile(self.src):
return False
if not self._original:
try:
self._original = pb_new(self.src)
except gobject.GError:
exposong.log.error('Could not find "%s".', self.src)
return False
skey = 'x'.join(map(str, get_size(self._original, size, self.aspect)))
if skey not in self._cache:
self._cache[skey] = scale_image(self._original, size, self.aspect)
return self._cache[skey]
def _get_pixmap(self, window, size, cache=True):
"Render to an offscreen pixmap."
cache = cache and self.can_cache
if not cache:
self._delete_pixmap(size)
fname = self._get_pixmap_name(size)
if not fname:
return None
if cache and fname in self._pm:
return self._pm[fname]
width, height = size
self._pm[fname] = gtk.gdk.Pixmap(window, width, height)
cache_dir = os.path.join(DATA_PATH, ".cache", "theme")
if not os.path.exists(cache_dir):
os.makedirs(cache_dir)
cpath = os.path.join(cache_dir, fname)
ccontext = self._pm[fname].cairo_create()
if cache and os.path.exists(cpath):
# Load the image from memory, or disk if available
exposong.log.debug('Loading theme thumbnail "%s".', fname)
pb = pb_new(cpath)
ccontext.set_source_pixbuf(pb, 0, 0)
ccontext.paint()
else:
exposong.log.debug('Generating theme thumbnail "%s".', fname)
bounds = (0, 0, SCALED_HEIGHT * CELL_ASPECT, SCALED_HEIGHT)
ccontext.scale(float(width) / bounds[2],
float(height) / bounds[3])
self.theme.render(ccontext, bounds, self.slide)
if self.can_cache:
# Save the rendered image to cache
pb = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, True, 8, width,
height)
pb.get_from_drawable(self._pm[fname],
self._pm[fname].get_colormap(), 0, 0, 0, 0,
width, height)
pb.save(cpath, "png")
return self._pm[fname]
