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allow resizing an image without specifying a height; this makes sure that the resulting image will have the width provided

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git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@3991 fd906abe-77d9-0310-91a1-e0d9ade77398
This commit is contained in:
helmutm 2010-09-11 07:30:54 +00:00
parent 222df2ba2a
commit 946b0847d8
2 changed files with 6 additions and 2 deletions
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2
media/asset.py
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@ -133,7 +133,7 @@ class MediaAssetFile(object):
mediaFile.crop(*dims) mediaFile.crop(*dims)
elif command == "size": elif command == "size":
size = [int(i) for i in args.split(",")] size = [int(i) for i in args.split(",")]
if size and len(size) == 2: if size:
mediaFile.resize(*size) mediaFile.resize(*size)
outputFormat = self.getContentType(variant) outputFormat = self.getContentType(variant)
mediaFile.save(path, outputFormat) mediaFile.save(path, outputFormat)

6
media/piltransform.py
View file

@ -93,9 +93,13 @@ class PILTransform(object):
box = (left, upper, right, lower) box = (left, upper, right, lower)
self.im = self.im.crop(box) self.im = self.im.crop(box)
def resize(self, width, height): def resize(self, width, height=None):
if self.im is None: if self.im is None:
return return
if not height:
ow, oh = self.im.size
ratio = float(ow) / float(oh)
height = int(round(float(width) / ratio))
dims = (width, height) dims = (width, height)
self.im.thumbnail(dims, Image.ANTIALIAS) self.im.thumbnail(dims, Image.ANTIALIAS)