def __init__(self, dp, **kw):
DefaultRenderer.__init__(self, dp, **kw)
Purr.progressMessage("rendering %s" % dp.filename, sub=True)
img = PIL.Image.open(dp.fullpath)
# If image format is not compatible with browsers, save it in PNG format.
# self.fullimage will refer to the browser-compatible image, to which the thumbnail will link
if img.format not in ["GIF", "JPEG", "PNG"]:
self.fullimage, path, uptodate = self.subproduct("-full.png")
if not uptodate:
try:
img.save(path, "PNG")
except:
print("Error saving %s in PNG format" % path)
traceback.print_exc()
self.fullimage = dp.filename
else:
self.fullimage = dp.filename
# now, do we need to generate a thumbnail?
tsize = self.getOption("image-thumbnail-width"), self.getOption("image-thumbnail-height")
width, height = img.size
factors = width / float(tsize[0]), height / float(tsize[1])
if max(factors) <= 1:
self.thumbnail = self.fullimage
else:
# regenerate thumbnail if needed
self.thumbnail, path, uptodate = self.subproduct("-thumb.png")
try:
# regenerate only if doesn't exist
if not uptodate:
# use max resize factor
factor = max(factors)
img = img.resize((int(width / factor), int(height / factor)), PIL.Image.ANTIALIAS)
img.save(path, "PNG")
except:
print("Error saving thumbnail %s in PNG format" % path)
traceback.print_exc()
self.thumbnail = None
def __init__(self, dp, refresh=0):
DefaultRenderer.__init__(self, dp, refresh=refresh)
self.rendercache = {}
self._regenerated = False
def __init__(self, dp, refresh=0):
DefaultRenderer.__init__(self, dp, refresh=refresh)
self.rendercache = {}
self._regenerated = False