| author | Tero Marttila <terom@fixme.fi> |
| Thu, 11 Jun 2009 21:50:48 +0300 | |
| changeset 95 | 3b00bd676fc9 |
| parent 85 | 7da934333469 |
| child 115 | d5aa320697df |
| permissions | -rw-r--r-- |
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85
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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""" |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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2 |
State for thumbnails; derivates of Images |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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""" |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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import filesystem |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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import PIL.Image |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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class Thumbnail (filesystem.File) : |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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""" |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
11 |
A Thumbnail is a derivate of an Image, usually resized to some other size. |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
12 |
""" |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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def __init__ (self, image, subdir, size) : |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
15 |
""" |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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Initialize to link against the given `image`. |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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`subdir` specifies the directory to store this thumbnail in. |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
19 |
`size` determines the target resolution of the output thumbnail. |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
20 |
""" |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
21 |
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95
3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
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# our file path, image name inside of the given subdir |
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3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
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super(Thumbnail, self).__init__(subdir, image.fsname) |
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85
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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# store |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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self.image = image |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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self.size = size |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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def stale (self) : |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
30 |
""" |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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Tests if this thumbnail is stale |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
32 |
""" |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
33 |
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95
3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
34 |
if self.image.older_than(self) : |
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3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
35 |
# both exist and this is newer |
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3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
36 |
return False |
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3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
37 |
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3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
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else : |
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3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
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# this thumb doesn't exist or is older |
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3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
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return True |
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85
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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def update (self) : |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
43 |
""" |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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Render new output thumbnail |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
45 |
""" |
|
7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
46 |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
47 |
# load a copy of the PIL.Image, as .thumbnail mutates it |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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thumb = self.image.pil_image.copy() |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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# resample to given size |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
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thumb.thumbnail(self.size, resample=True) |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
53 |
# and write out |
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7da934333469
move thumbnail rendering from render.py to thumbnail.py, and implement staleness checking for Images, plus index_images for Folder
Tero Marttila <terom@fixme.fi>
parents:
diff
changeset
|
54 |
thumb.save(self.path) |
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95
3b00bd676fc9
fix Thumbnail.stale/File.older_than behaviour
Tero Marttila <terom@fixme.fi>
parents:
85
diff
changeset
|
55 |