Mercurial > moin > extensions
changeset 208:71fba6d8d138
implement exif-tag based web/thumbnail rotation
| author | Johannes Berg <johannes AT sipsolutions DOT net> |
|---|---|
| date | Mon, 04 Aug 2008 12:58:49 +0200 |
| parents | 08965faaa4ff |
| children | 475844e1d7a3 |
| files | data/plugin/parser/text_x_arnica.py |
| diffstat | 1 files changed, 16 insertions(+), 0 deletions(-) [+] |
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--- a/data/plugin/parser/text_x_arnica.py Mon Jul 21 20:40:44 2008 +0200 +++ b/data/plugin/parser/text_x_arnica.py Mon Aug 04 12:58:49 2008 +0200 @@ -555,7 +555,23 @@ # XXX later, a unit conversion method for using other units than 'px' is needed if not cache.exists(self.request, webnail): if not self.image_for_webnail: + exif = im_obj._getexif() im_obj.thumbnail((int(self.webnail_width.strip('px')), int(self.webnail_width.strip('px'))), Image.ANTIALIAS) + if exif: + try: + process = { + 1: lambda x: x, + 2: lambda x: x.transpose(Image.FLIP_LEFT_RIGHT), + 3: lambda x: x.transpose(Image.ROTATE_180), + 4: lambda x: x.transpose(Image.FLIP_TOP_BOTTOM), + 5: lambda x: x.transpose(Image.ROTATE_90).transpose(Image.FLIP_TOP_BOTTOM), + 6: lambda x: x.transpose(Image.ROTATE_270), + 7: lambda x: x.transpose(Image.ROTATE_90).transpose(Image.FLIP_LEFT_RIGHT), + 8: lambda x: x.transpose(Image.ROTATE_90), + } + im_obj = process[exif[274]](im_obj) + except KeyError: + pass buf = StringIO.StringIO() im_obj.save(buf, image_type) buf.flush()