def scale_and_save_image(filename, scale):
if scale == (1.0, 1.0):
return filename
root,ext = os.path.splitext(filename)
cache_dir = vfs.getoverlay(filename)
cache_file = '%dx%d%s' % (skin.USABLE_WIDTH, skin.USABLE_HEIGHT, ext)
cache_filename = os.path.join(cache_dir, cache_file)
logger.debug('Looking for %s', cache_filename)
if vfs.exists(cache_filename) and vfs.mtime(cache_filename) > vfs.mtime(filename):
return cache_filename
image = imlib2.open_without_cache(filename)
new_width = int(float(image.width) * scale[0])
new_height = int(float(image.height) * scale[1])
image = image.scale((new_width, new_height))
# Make sure the file can be created.
if not vfs.exists(cache_dir):
os.makedirs(cache_dir)
image.save(cache_filename)
return cache_filename
def scale_and_save_image(filename, scale):
if scale == (1.0, 1.0):
return filename
root, ext = os.path.splitext(filename)
cache_dir = vfs.getoverlay(filename)
cache_file = '%dx%d%s' % (skin.USABLE_WIDTH, skin.USABLE_HEIGHT, ext)
cache_filename = os.path.join(cache_dir, cache_file)
logger.debug('Looking for %s', cache_filename)
if vfs.exists(cache_filename
) and vfs.mtime(cache_filename) > vfs.mtime(filename):
return cache_filename
image = imlib2.open_without_cache(filename)
new_width = int(float(image.width) * scale[0])
new_height = int(float(image.height) * scale[1])
image = image.scale((new_width, new_height))
# Make sure the file can be created.
if not vfs.exists(cache_dir):
os.makedirs(cache_dir)
image.save(cache_filename)
return cache_filename
def get_image(filename, scale, size):
cache_key = '%s-%s-%dx%d' % (filename, scale, size[0], size[1])
# First check the loaded image cache
image = image_cache[cache_key]
# Second check the on disk cache
if config.CACHE_IMAGES and not image:
if vfs.isoverlay(filename):
cache_dir = os.path.dirname(filename)
else:
cache_dir = vfs.getoverlay(filename)
root,ext = os.path.splitext(filename)
cache_file = '%s-%s-%dx%d%s' % (USABLE_RESOLUTION, scale, size[0], size[1], ext)
cache_filename = os.path.join(cache_dir, cache_file)
if vfs.exists(cache_filename) and vfs.mtime(cache_filename) > vfs.mtime(filename):
image = imlib2.open(cache_filename)
image_cache[cache_key] = image
# Finally load the image and scale it as required.
if not image:
if filename.startswith('http://') or filename.startswith('https://'):
fp = webcache.get_default_cache().get(filename)
image = imlib2.open_from_memory(fp.read())
fp.close()
else:
image = imlib2.open(filename)
w = image.width
h = image.height
src_size = (image.width, image.height)
if scale == 'horizontal':
w = size[0]
dst_size = (w, h)
elif scale == 'vertical':
h = size[1]
dst_size = (w, h)
elif scale == 'both':
w = size[0]
h = size[1]
dst_size = (w, h)
elif scale == 'aspect':
aspect_ratio = float(w) / float(h)
w = size[0]
h = int(float(w) / aspect_ratio)
if h > size[1]:
w = int(float(size[1]) * aspect_ratio)
h = size[1]
dst_size = (w, h)
else:
if w > size[0]:
w = size[0]
if h > size[1]:
h = size[1]
size = (w, h)
src_size = size
dst_size = size
logger.log( 9, 'Creating image %s (%dx%d) of size %dx%d using scale %s', filename, src_size[0], src_size[1], dst_size[0], dst_size[1], scale)
image = image.scale(dst_size, src_size=src_size)
image_cache[cache_key] = image
if config.CACHE_IMAGES:
if not vfs.exists(cache_dir):
os.makedirs(cache_dir)
image.save(cache_filename)
logger.debug('Saved to %s', cache_filename)
return image
def get_image(filename, scale, size):
cache_key = '%s-%s-%dx%d' % (filename, scale, size[0], size[1])
# First check the loaded image cache
image = image_cache[cache_key]
# Second check the on disk cache
if config.CACHE_IMAGES and not image:
if vfs.isoverlay(filename):
cache_dir = os.path.dirname(filename)
else:
cache_dir = vfs.getoverlay(filename)
root, ext = os.path.splitext(filename)
cache_file = '%s-%s-%dx%d%s' % (USABLE_RESOLUTION, scale, size[0],
size[1], ext)
cache_filename = os.path.join(cache_dir, cache_file)
if vfs.exists(cache_filename
) and vfs.mtime(cache_filename) > vfs.mtime(filename):
image = imlib2.open(cache_filename)
image_cache[cache_key] = image
# Finally load the image and scale it as required.
if not image:
if filename.startswith('http://') or filename.startswith('https://'):
fp = webcache.get_default_cache().get(filename)
image = imlib2.open_from_memory(fp.read())
fp.close()
else:
image = imlib2.open(filename)
w = image.width
h = image.height
src_size = (image.width, image.height)
if scale == 'horizontal':
w = size[0]
dst_size = (w, h)
elif scale == 'vertical':
h = size[1]
dst_size = (w, h)
elif scale == 'both':
w = size[0]
h = size[1]
dst_size = (w, h)
elif scale == 'aspect':
aspect_ratio = float(w) / float(h)
w = size[0]
h = int(float(w) / aspect_ratio)
if h > size[1]:
w = int(float(size[1]) * aspect_ratio)
h = size[1]
dst_size = (w, h)
else:
if w > size[0]:
w = size[0]
if h > size[1]:
h = size[1]
size = (w, h)
src_size = size
dst_size = size
logger.log(9, 'Creating image %s (%dx%d) of size %dx%d using scale %s',
filename, src_size[0], src_size[1], dst_size[0],
dst_size[1], scale)
image = image.scale(dst_size, src_size=src_size)
image_cache[cache_key] = image
if config.CACHE_IMAGES:
if not vfs.exists(cache_dir):
os.makedirs(cache_dir)
image.save(cache_filename)
logger.debug('Saved to %s', cache_filename)
return image
