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photo: Define preferred image quality in metadata.

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This commit is contained in:
Stuart Longland 2021-10-08 08:18:41 +10:00
parent 4a39507a82
commit 5de611337e
Signed by: stuartl
GPG Key ID: 35DC19275EC93E3B
1 changed files with 13 additions and 7 deletions
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20
tornado_gallery/photo.py
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@ -12,7 +12,7 @@ except ImportError:
DEFAULT_WIDTH = 720 DEFAULT_WIDTH = 720
DEFAULT_HEIGHT = 540 DEFAULT_HEIGHT = 540
DEFAULT_QUALITY = 60 DEFAULT_QUALITY = 60.0
DEFAULT_ROTATION = 0.0 DEFAULT_ROTATION = 0.0
THUMB_SIZE = 100 THUMB_SIZE = 100
@ -112,6 +112,13 @@ class Photo(object):
except KeyError: except KeyError:
return None return None
@property
def preferred_quality(self):
try:
return self._get_meta('.quality')
except KeyError:
return DEFAULT_QUALITY
@property @property
def prev(self): def prev(self):
try: try:
@ -167,8 +174,7 @@ class Photo(object):
return calc_dimensions(self.width, self.height, width, height) return calc_dimensions(self.width, self.height, width, height)
def get_rel_uri(self, width=DEFAULT_WIDTH, height=DEFAULT_HEIGHT, def get_rel_uri(self, width=DEFAULT_WIDTH, height=DEFAULT_HEIGHT,
rotation=DEFAULT_ROTATION, quality=DEFAULT_QUALITY, rotation=DEFAULT_ROTATION, quality=None, img_format=None):
img_format=None):
""" """
Return the URI of the given photo relative to the site URI Return the URI of the given photo relative to the site URI
""" """
@ -181,7 +187,7 @@ class Photo(object):
uri += '@%f' % float(rotation) uri += '@%f' % float(rotation)
# Quality # Quality
uri += '/%f' % float(quality or 60.0) uri += '/%f' % float(quality or self.preferred_quality)
# Format; if given # Format; if given
if img_format is not None: if img_format is not None:
@ -208,12 +214,12 @@ class Photo(object):
# Gallery services # Gallery services
@coroutine @coroutine
def get_resized(self, width=None, height=None, quality=60, def get_resized(self, width=None, height=None, quality=None,
rotation=0.0, img_format=None): rotation=0.0, img_format=None):
result = yield self._gallery().get_resized( result = yield self._gallery().get_resized(
photo=self.name, width=width, height=height, photo=self.name, width=width, height=height,
quality=quality, rotation=rotation, quality=quality or self.preferred_quality,
img_format=img_format, rotation=rotation, img_format=img_format,
orientation=self.orientation) orientation=self.orientation)
raise Return(result) raise Return(result)