def outputfilter_watermark(filter):
s_in = None
s_out = None
try:
s_in = StringIO(filter.read())
im_in = Image.open(s_in)
if im_in.size[0] <= 240 and im_in.size[1] <= 120:
filter.write(s_in.getvalue())
return
# if this is a sub request, then don't process again
req = filter.req
if req.main:
filter.write(s_in.getvalue())
return
cookies = Cookie.get_cookies(req)
ticket = cookies['login_ticket'].value
query = req.parsed_uri[apache.URI_QUERY]
if query == "watermark=false":
filter.write(s_in.getvalue())
ticket_sobj = Ticket.get_by_valid_key(ticket)
# if this is not a valid ticket, then just exit with no image
if not ticket_sobj:
return
# TODO: need fancier algorithm here
if ticket_sobj.get_value("login") == 'admin':
filter.write(s_in.getvalue())
return
sizex = im_in.size[0]
sizey = im_in.size[1]
max_res = 240
max_width = 640
im_in = im_in.resize((max_res, int(sizey / (sizex / float(max_res)))))
im_in = im_in.resize(
(max_width, int(sizey / (sizex / float(max_width)))))
# add the watermark
watermark = Watermark()
now = datetime.today().strftime("%Y/%m/%d, %H:%M")
texts = ['Do Not Copy', ticket, now]
sizes = [20, 10, 10, 20, 20]
mark = watermark.generate(texts, sizes)
im_out = watermark.execute(im_in, mark, 'tile', 0.5)
s_out = StringIO()
im_out.save(s_out, format='jpeg')
filter.write(s_out.getvalue())
finally:
if s_in:
s_in.close()
if s_out:
s_out.close()
def test():
watermark = Watermark()
texts = ['Do Not Copy', 'Joe Smith', 'id=12345', 'Feb 12, 2011']
#watermark_path = './sample-watermark.png'
#mark = Image.open(watermark_path)
path = '/home/apache/california_web.jpg'
im = Image.open(path)
for i in range(1, 10):
mark = watermark.generate(texts, i*5)
im2 = watermark.execute(im, mark, 'tile', 0.5)
im2.save("./test/tile%s.jpg" % i)
def test():
watermark = Watermark()
texts = ['Do Not Copy', 'Joe Smith', 'id=12345', 'Feb 12, 2011']
#watermark_path = './sample-watermark.png'
#mark = Image.open(watermark_path)
path = '/home/apache/california_web.jpg'
im = Image.open(path)
for i in range(1, 10):
mark = watermark.generate(texts, i * 5)
im2 = watermark.execute(im, mark, 'tile', 0.5)
im2.save("./test/tile%s.jpg" % i)
def outputfilter_watermark(filter):
s_in = None
s_out = None
try:
s_in = StringIO(filter.read())
im_in = Image.open(s_in)
if im_in.size[0] <= 240 and im_in.size[1] <= 120:
filter.write(s_in.getvalue())
return
# if this is a sub request, then don't process again
req = filter.req
if req.main:
filter.write(s_in.getvalue())
return
cookies = Cookie.get_cookies(req)
ticket = cookies['login_ticket'].value
query = req.parsed_uri[apache.URI_QUERY]
if query == "watermark=false":
filter.write(s_in.getvalue())
ticket_sobj = Ticket.get_by_valid_key(ticket)
# if this is not a valid ticket, then just exit with no image
if not ticket_sobj:
return
# TODO: need fancier algorithm here
if ticket_sobj.get_value("login") == 'admin':
filter.write(s_in.getvalue())
return
sizex = im_in.size[0]
sizey = im_in.size[1]
max_res = 240
max_width = 640
im_in = im_in.resize( (max_res, int(sizey/(sizex/float(max_res)))) )
im_in = im_in.resize( (max_width, int(sizey/(sizex/float(max_width)))) )
# add the watermark
watermark = Watermark()
now = datetime.today().strftime("%Y/%m/%d, %H:%M")
texts = ['Do Not Copy', ticket, now]
sizes = [20, 10, 10, 20, 20]
mark = watermark.generate(texts, sizes)
im_out = watermark.execute(im_in, mark, 'tile', 0.5)
s_out = StringIO()
im_out.save(s_out, format='jpeg')
filter.write(s_out.getvalue())
finally:
if s_in:
s_in.close()
if s_out:
s_out.close()