def thumbnail(request, type, identifier):
response = HttpResponse(mimetype="image/png")
size = str(request.GET.get("size", "190x270"))
if not re.match("\d+[x]\d+", size):
size = "190x270"
cache_key = "thumbnail:%s:%s:%s" % (type, identifier, size)
cached = cache.get(cache_key)
if cached is None:
if type == "file":
file_ = str(os.path.join(settings.INCOMING_DIRECTORY, identifier))
elif type == "document":
document = get_object_or_404(Document, pk=identifier)
file_ = Blob(document.document.read())
image = Image(file_)
image.filterType(FilterTypes.SincFilter)
image.scale(size)
output = Blob()
image.write(output, "png")
response.write(output.data)
cache.set(cache_key, output.data)
else:
response.write(cached)
return response
def test():
from pgmagick import Image, FilterTypes
im = Image( './chambres-deluxes-I/chambre-101-s-474.tif' )
im.quality( 100 )
im.filterType( FilterTypes.SincFilter )
im.scale( '100x100' )
im.sharpen( 1.0 )
im.write( 'output.jpg' )
def deferred_pgmagick():
im = PGImage(imagename)
im.filterType(FilterTypes.CatromFilter)
im.zoom(Geometry(1024, 768))
im.quality(85)
im.magick('jpeg')
im.write(Blob())
def test():
from pgmagick import Image, FilterTypes
im = Image('./chambres-deluxes-I/chambre-101-s-474.tif')
im.quality(100)
im.filterType(FilterTypes.SincFilter)
im.scale('100x100')
im.sharpen(1.0)
im.write('output.jpg')
def addScreenshot(f, arg, user_id, item):
if item == 'map':
Object = Maps.objects.filter(id=arg)
if not Object:
return False
if not (Object[0].user_id == user_id.id or user_id.is_superuser):
return False
else:
return False
tempname = '/tmp/screenshot.temp'
with open(tempname, 'wb+') as destination:
for chunk in f.chunks():
destination.write(chunk)
command = 'file -b --mime-type %s' % tempname
proc = Popen(command.split(), stdout=PIPE).communicate()
mimetype = proc[0].strip()
if mimetype not in ['image/jpeg','image/png','image/gif']:
return False
userObject = User.objects.get(pk=Object[0].user_id)
transac = Screenshots(
user = userObject,
ex_id = int(arg),
ex_name = item+"s",
posted = timezone.now(),
map_preview = False,
)
transac.save()
path = os.getcwd() + os.sep + __name__.split('.')[0] + '/data/screenshots/' + str(transac.id) + '/'
if not os.path.exists(path):
os.makedirs(path)
shutil.move(tempname, path + arg + "." + mimetype.split('/')[1])
command = 'identify -format "%w,%h" {0}'.format(path + arg + "." + mimetype.split('/')[1])
proc = Popen(command.split(), stdout=PIPE).communicate()
details = proc[0].strip().strip('"').split(',')
im = Image(Blob(open(path + arg + "." + mimetype.split('/')[1]).read()), Geometry(int(details[0]),int(details[1])))
scaleH = int(details[0]) / 100.0
scaleH = 250 / scaleH
scaleH = int(details[1]) / 100.0 * scaleH
im.quality(100)
im.filterType(FilterTypes.SincFilter)
im.scale('250x%s' % scaleH)
im.sharpen(1.0)
im.write(str(path + arg + "-mini." + mimetype.split('/')[1]))
def create_test_data(self):
im = Image(root('resources', 'color_circle.png').encode('utf-8'))
if self.mode == 'RGB':
im.type(ImageType.TrueColorType)
elif self.mode == 'RGBA':
im.type(ImageType.TrueColorMatteType)
elif self.mode == 'L':
im.type(ImageType.GrayscaleType)
elif self.mode in 'LA':
im.type(ImageType.GrayscaleMatteType)
else:
raise ValueError('Unknown mode: {}'.format(self.mode))
im.filterType(FilterTypes.CatromFilter)
im.zoom(Geometry(b"{}x{}!".format(self.size[0], self.size[1])))
return [im]
def create_test_data(self):
im = Image(root('resources', 'color_circle.png').encode('utf-8'))
if self.mode == 'RGB':
im.type(ImageType.TrueColorType)
elif self.mode == 'RGBA':
im.type(ImageType.TrueColorMatteType)
elif self.mode == 'L':
im.type(ImageType.GrayscaleType)
elif self.mode in 'LA':
im.type(ImageType.GrayscaleMatteType)
else:
raise ValueError('Unknown mode: {}'.format(self.mode))
im.filterType(FilterTypes.CatromFilter)
im.zoom(Geometry(b"{}x{}!".format(self.size[0], self.size[1])))
return [im]
import sys
from pgmagick import Image, FilterTypes as ft
# same
# convert SRC.jpg -filter Sinc -resize 500x500 -sharpen 1 -quality 100 DST.jpg
# gm convert SRC.jpg -filter Sinc -resize 500x500 -sharpen 1 -quality 100 DST.jpg
im = Image('./X.jpg')
im.quality(100)
im.sharpen(1.0)
im.write('./Y.jpg')
im = Image('./X.jpg')
im.quality(100)
im.filterType(ft.SincFilter)
im.scale('1000x1000')
im.sharpen(1.0)
im.write('./Y.jpg')
im = Image('./X.jpg')
im.quality(100)
im.filterType(ft.SincFilter)
im.scale('100x100')
im.sharpen(1.0)
im.write('./Y.jpg')
im = Image('./X.jpg')
im.quality(100)
im.filterType(ft.SincFilter)
im.scale('500x500')
im.sharpen(1.0)
print orig_args['width'], orig_args['high']
if getW > orig_args['width'] or getH > orig_args['high']:
log.error(
"[uid]:%s请求的缩略图大过于原图了。[origImg]:%sx%s,[requestImg]:%sx%s"
% (upUid, getW, getH, orig_args['width'],
orig_args['high']))
#原图返回
return '''{"img":"%s","thumb":"%s","status":"1"}''' % (
realAddImg, realAddImg)
else:
thumb = Blob()
im = Image(orig_blob)
im.quality(100)
im.filterType(FilterTypes.SincFilter)
im.scale(upThumbnail)
im.sharpen(1.0)
thumbName = "%s_%s_%s_%s.%s" % (upUid, upMd5, timestamp,
upThumbnail, ext)
thumbFile = thumbDir + '/' + thumbName
im.write(thumbFile)
log.info("%s [uid]:%s成功生成缩略图%s." %
(client, upUid, thumbFile))
realThumbPath = thumbFile.split('/')
realAddThumb = realAdd + realThumbPath[
-2] + '/' + realThumbPath[-1]
fp.close()
return """{"img":"%s","thumb":"%s","status":"1"}""" % (
from pgmagick import Image, FilterTypes
im = Image('X.jpg')
im.filterType(FilterTypes.SincFilter)
im.resize('100x100')
im.write('output.jpg')
