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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, **kwargs):
super(PbGenerate,self).__init__(**kwargs);
_definitions = {
#IMAGES
"url": { 'type': "img_url" },
"background": { 'type': "img_url" },
#BOOLS
"coalesce": { 'type': "bool" },
"nearest": { 'type': "bool" },
"merge_early": { 'type': "bool" },
"flip": { 'type': "bool" },
"flop": { 'type': "bool" },
"tile": { 'type': "bool" },
"transparent": { 'type': "bool" },
#COLORS
"black": { 'type': "color", 'default': 'black' },
"white": { 'type': "color", 'default': 'white' },
"subtract": { 'type': "color" },
#INTS
"fuzz": { 'type': "int" },
"width": { 'type': "int" },
"height": { 'type': "int" },
"brightness": { 'type': "int" },
"contrast": { 'type': "int" },
"saturation": { 'type': "int" },
"rotate": { 'type': "int" },
"hue": { 'type': "int" },
#ENUMS
"compose": { 'type': "enum", 'enum_values': _compose_params, 'default': "Atop" },
"gravity": { 'type': "enum", 'enum_values': _gravity_params, 'default': _gravity_default },
"dispose": { 'type': "enum", 'enum_values': _dispose_params, 'default': "None" },
"format": { 'type': "enum", 'enum_values': OUTPUT_IMAGE_TYPES, 'default': DEFAULT_FINALFORMAT },
#STRINGS
"username": { 'type': "string" },
"callback": { 'type': "string" },
}
self.tag = _default_tag
self.params.definitions_import(_definitions, kwargs, classname=self.__class__.__name__);
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)
self._db_url_param = str(self.params.url['url'])
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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