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#!/usr/bin/python2.7
import sys
import os
from Config import *
from Pb import Pb
_default_tag = "im"
_gravity_params = ["NorthWest","North","NorthEast","West","Center","East","SouthWest","South","SouthEast"]
_gravity_default = "Center"
_compose_params = [ "Over", "ATop", "Dst_Over", "Dst_In", "Dst_Out", "Multiply",
"Screen", "Divide", "Plus", "Difference", "Exclusion",
"Lighten", "Darken", "Overlay", "Hard_Light", "Soft_Light",
"Linear_Dodge", "Linear_Burn", "Color_Dodge", "Color_Burn" ]
_dispose_params = ["None","Previous","Background"]
_dispose_default = "None"
class PbGenerate(Pb):
example_params = {
#{{{ example params
'nearest': 'true',
# 'height': None,
'compose': 'Soft_Light',
'coalesce': 'true',
'dispose': 'None',
'gravity': 'Center',
'width': '200',
'black': 'black',
'tile': 'true',
'white': 'white',
'contrast': '100',
'hue': '90',
'saturation': '100',
'merge_early': 'true',
'format': 'gif',
'background': 'http://i.asdf.us/im/bc/new_1430440747.gif',
'subtract': '#EE7AE9',
'transparent': 'true',
# 'rotate': None,
'name': 'yo',
# 'brightness': None,
'url': 'http://asdf.us/im/new.gif',
'flop': 'true',
'flip': 'false',
'callback': 'jsonp1430442384162',
'fuzz': '5'
#}}}
}
def __init__(self,
#URLS
url=None,
background=None,
#BOOLS
coalesce=None,
nearest=None,
merge_early=None,
flip=None,
flop=None,
tile=None,
transparent=None,
#COLORS
black="black",
white="white",
subtract="white",
#INTS
fuzz=None,
width=None,
height=None,
brightness=None,
contrast=None,
saturation=None,
rotate=None,
hue=None,
#ENUMS
compose="Atop",
gravity=_gravity_default,
format=DEFAULT_FINALFORMAT,
dispose="None",
#STRINGS
name=None,
callback=None,
):
super(PbGenerate,self).__init__();
#IMAGES
self.params.set_val("url", url, value_type="img_url")
self.params.set_val("background", background, value_type="img_url")
#BOOLS
self.params.set_val("coalesce", coalesce, value_type="bool")
self.params.set_val("nearest", nearest, value_type="bool")
self.params.set_val("merge_early", merge_early, value_type="bool")
self.params.set_val("flip", flip, value_type="bool")
self.params.set_val("flop", flop, value_type="bool")
self.params.set_val("tile", tile, value_type="bool")
self.params.set_val("transparent", transparent, value_type="bool")
#COLORS
self.params.set_val("black", black, value_type="color")
self.params.set_val("white", white, value_type="color")
self.params.set_val("subtract", subtract, value_type="color")
#INTS
self.params.set_val("fuzz", fuzz or 0, value_type="int")
self.params.set_val("width", width or 0, value_type="int")
self.params.set_val("height", height or 0, value_type="int")
self.params.set_val("brightness", brightness or 0, value_type="int")
self.params.set_val("contrast", contrast or 0, value_type="int")
self.params.set_val("saturation", saturation or 0, value_type="int")
self.params.set_val("rotate", rotate or 0, value_type="int")
self.params.set_val("hue", hue or 0, value_type="int")
#ENUMS
self.params.set_val("compose", compose, value_type="enum", enum_values=_compose_params)
self.params.set_val("gravity", gravity, value_type="enum", enum_values=_gravity_params)
self.params.set_val("dispose", dispose, value_type="enum", enum_values=_dispose_params)
self.params.set_val("format", format, value_type="enum", enum_values=OUTPUT_IMAGE_TYPES)
#STRINGS
self.params.set_val("username", name, value_type="string")
self.params.set_val("callback", callback, value_type="string")
self.tag = _default_tag
if self.params.background: self.tag = self.params.compose
if self.params.transparent: self.tag = self.params.transparent
self.filename, self.filepath = self._filename_filepath_create(url=self.params.url['url'], extension=self.params.format)
def _composite (self):
cmd = [
BIN_CONVERT, self.params.background['path'],
"null:", self.filepath, "-matte",
"-dispose", self.params.dispose,
"-gravity", self.params.gravity,
"-compose", self.params.compose, "-layers", "composite",
self.filepath ]
self._call_cmd(cmd);
def _convert(self):
cmd = [BIN_CONVERT, self.params.url['path'] ]
if self.params.rotate: cmd += ["-rotate", self.params.rotate ]
if self.params.flip: cmd += ["-flip"]
if self.params.flop: cmd += ["-flop"]
if self.params.transparent:
if self.params.fuzz:
cmd += ["-fuzz", "{}%".format(self.params.fuzz) ]
cmd += [ "-transparent", self.params.subtract ]
if self.params.width or self.params.height:
if self.params.nearest and self.params.format == "gif":
cmd += [ "-coalesce","+map","-interpolate","Nearest","-interpolative-resize" ]
else:
cmd.append("-resize")
cmd += [ "{}x{}".format(self.params.width or "", self.params.height or "") ]
if self.params.black != "black" or self.params.white != 'white':
cmd += [ "+level-colors" , "{},{}".format(self.params.black, self.params.white) ]
if self.params.contrast: cmd += [ '-contrast-stretch', self.params.contrast ]
if self.params.brightness or self.params.saturation or self.params.hue:
cmd += [
"-modulate", "{},{},{}".format(
(self.params.brightness or 100),
(self.params.contrast or 100),
(self.params.hue or 100)
)]
cmd.append("-coalesce"); #why? #FIXME
cmd += [ self.filepath ];
self._call_cmd(cmd);
def create(self):
self._convert()
if self.params.background:
self._composite()
self._cleanup();
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