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import sys
import re
import os
import simplejson as json
import random
from Config import DEFAULT_FINALFORMAT, DEFAULT_HEIGHT, DEFAULT_WIDTH, WORKING_DIR, OUTPUT_IMAGE_TYPES
from Config import THREEDROTATE, GRID, BIN_CONVERT, BIN_COMPOSITE
import tempfile
from Pb import Pb
_default_line_color = "silver"
class PbGrid(Pb):
example_params = {
'bgimage' : 'http://i.asdf.us/im/1a/imBreak_1424909483_xx_abridged___.gif',
'planebgimage' : 'http://i.imgur.com/FICZtph.png',
'tilt' : '30',
'spacing' : '30',
'hlines' : 'true',
'roll' : '30',
'shadow' : 'true',
'trim' : 'true'
}
def __init__(self, **kwargs ):
super(PbGrid,self).__init__();
_definitions = {
'width': { 'type':'int' },
'height': { 'type':'int' },
'linethickness': { 'type':'int', 'default': 1 },
'opacity': { 'type':'float', "default": 1.0 },
'linecolor': { 'type':'color', 'default': 'whitesmoke' },
'linethickness': { 'type':'int' },
'spacing': { 'type':'int', 'default': 10 },
'vlines': { 'type':'bool' },
'hlines': { 'type':'bool' },
'shadow': { 'type':'bool' },
'bgimage': { 'type':'img_url' },
'bgcolor': { 'type':'color', 'default': 'transparent' },
'imageinstead': { 'type':'img_url' },
'planebgcolor': { 'type':'color', 'default': 'transparent' },
'planebgimage': { 'type':'img_url' },
'swing': { 'type':'int' },
'tilt': { 'type':'int' },
'roll': { 'type':'int' },
'zoom': { 'type':'int' },
'skycolor': { 'type':'color', 'default': 'transparent' },
'transition': { 'type':'enum', 'enum_values' : ['background', 'dither', 'edge', 'mirror', 'random', 'tile'], 'default': 'background' },
'trim': { 'type':'bool' },
'finalformat': { 'type':'enum', 'enum_values' : OUTPUT_IMAGE_TYPES, 'default': DEFAULT_FINALFORMAT },
'username': { 'type':'string' },
}
self.params.definitions_import(_definitions, kwargs, classname=self.__class__.__name__);
if self.params.imageinstead:
self.filename, self.filepath = self._filename_filepath_create(url=self.params.imageinstead['url'], extension=self.params.finalformat)
elif self.params.planebgimage:
self.filename, self.filepath = self._filename_filepath_create(url=self.params.planebgimage['url'], extension=self.params.finalformat)
else:
self.filename, self.filepath = self._filename_filepath_create(extension=self.params.finalformat)
#makes a canvas file...step 1 (if not bgimage)
def _make_canvas(self):
dimensions = "{}x{}".format(
self.params.width or DEFAULT_WIDTH,
self.params.height or DEFAULT_HEIGHT
)
if self.params.bgimage:
return
bgcolor = "xc:{}".format(self.params.bgcolor or 'transparent')
cmd = [ BIN_CONVERT, "-size", dimensions, bgcolor, self.filepath ]
self._call_cmd(cmd)
#2nd step-- run grid
def _grid_command(self):
cmd = [GRID]
if self.params.spacing:
if self.params.vlines:
width = 2 * int(self.params.width or DEFAULT_WIDTH)
cmd += ["-s","{},{}".format(self.params.spacing,width)]
elif self.params.hlines:
height = 2 * int(self.params.height or DEFAULT_HEIGHT)
cmd += ["-s", "{},{}".format(height,self.params.spacing)]
else:
cmd += ["-s",self.params.spacing]
cmd += [ "-c", self.params.linecolor or _default_line_color]
if self.params.linethickness: cmd += ['-t',self.params.linethickness]
if self.params.opacity: cmd += ['-o',self.params.opacity]
cmd += [ self.filepath, self.filepath ]
self._call_cmd(cmd)
def _shadow_cmd(self):
#convert 1.png \( +clone -background black -shadow 110x1+9+9 \) +swap -background none -layers merge +repage 2.png
cmd = [
BIN_CONVERT,
self.filepath,
"(","+clone","-background","black","-shadow","100x2+20+10",")",
"+swap","-background","none","-layers","merge","+repage" ,
self.filepath
]
self._call_cmd(cmd)
def _threed_rotate_cmd (self):
#3rd step--run 3Drotate
cmd = [THREEDROTATE]
if self.params.swing: cmd += ["pan={}".format(self.params.swing)]
if self.params.tilt: cmd += ["tilt={}".format(self.params.tilt)]
if self.params.roll: cmd += ["roll={}".format(self.params.roll)]
if self.params.zoom:
cmd += ["zoom={}".format(self.params.zoom)]
if cmd == [THREEDROTATE]: #if nothing has been added
return
if self.params.planebgcolor and not self.params.planebgimage:
cmd += ["bgcolor={}".format(self.params.planebgcolor)]
else:
cmd += ["bgcolor=none"]
cmd += ["skycolor={}".format(self.params.skycolor or 'none')]
if self.params.transition: cmd += ["vp={}".format(self.params.transition)]
cmd += [ self.filepath, self.filepath ]
self._call_cmd(cmd)
def _trim_cmd (self):
cmd = [BIN_CONVERT, self.filepath, "-trim", "+repage", self.filepath]
self._call_cmd(cmd)
def _prepare_gridimage(self, image):
if image['mimetype'] == 'gif':
_frame = self._choose_gif_frame(image['path'])
if image['mimetype'] != 'png':
cmd = [BIN_CONVERT, image['path'], self.filepath]
else:
cmd = ['cp', image['path'], self.filepath]
self._call_cmd(cmd)
def _overlay_planebgimage(self):
cmd = [
BIN_COMPOSITE,
"-compose", "Dst_Over", "-gravity", "center",
self.params.planebgimage["path"],
self.filepath,
self.filepath
]
self._call_cmd(cmd)
def create(self):
if self.params.bgimage:
self._prepare_gridimage(self.params.bgimage)
self._grid_command()
elif self.params.imageinstead:
self._prepare_gridimage(self.params.imageinstead)
else:
self._make_canvas()
self._grid_command()
if self.params.shadow: self._shadow_cmd()
self._threed_rotate_cmd()
if self.params.planebgimage: self._overlay_planebgimage()
if self.params.trim: self._trim_cmd()
self._cleanup()
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