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mightyscape-1.1-deprecated/extensions/fablabchemnitz/output_pro/outputpro/cmyk.py

116 lines
5.9 KiB
Python

#!/usr/bin/env python
# -*- coding: utf-8 -*-
import re, subprocess, simplestyle, os#inkex, os, random, sys, subprocess, shutil
def calculateCMYK(red, green, blue):
C = float()
M = float()
Y = float()
K = float()
if 1.00 - red < 1.00 - green:
K = 1.00 - red
else:
K = 1.00 - green
if 1.00 - blue < K:
K = 1.00 - blue
if K != 1.00:
C = ( 1.00 - red - K ) / ( 1.00 - K )
M = ( 1.00 - green - K ) / ( 1.00 - K )
Y = ( 1.00 - blue - K ) / ( 1.00 - K )
return [C, M, Y, K]
def clean_svg_color_definitions(svg):
def change_colors(origin, tipo_cor):
for i in range(len(str(origin).split(tipo_cor + ':'))):
if str(str(origin).split(tipo_cor + ':')[i].split(';')[0]) in simplestyle.svgcolors.keys():
numeros_da_cor = simplestyle.formatColoria(simplestyle.parseColor(str(str(origin).split(tipo_cor + ':')[i].split(';')[0])))
origin = str(origin).replace(':' + str(str(origin).split(tipo_cor + ':')[i].split(';')[0]) + ';', ':' + numeros_da_cor + ';')
return origin
colortypes = ['fill', 'stop-color', 'flood-color', 'lighting-color', 'stroke']
for i in range(len(colortypes)):
svg = change_colors(svg, colortypes[i])
return svg
def removeK(origem):
def zerar_opacidade(valor):
return str(valor.group()).split('opacity:')[0] + "opacity:0;"
#return re.sub("#000000;fill-opacity:[0-9.]+;", zerar_opacidade, re.sub("#000000;stop-opacity:[0-9.]+;", zerar_opacidade, re.sub("#000000;stroke-opacity:[0-9.]+;", zerar_opacidade, re.sub("#000000;flood-opacity:[0-9.]+;", zerar_opacidade, re.sub("#000000;lighting-opacity:[0-9.]+;", zerar_opacidade, origem)))))
return re.sub("#000000;fill-opacity:[0-9.?]+", zerar_opacidade, re.sub("#000000;stop-opacity:[0-9.?]+", zerar_opacidade, re.sub("#000000;stroke-opacity:[0-9.?]+", zerar_opacidade, re.sub("#000000;flood-opacity:[0-9.?]+", zerar_opacidade, re.sub("#000000;lighting-opacity:[0-9.?]+", zerar_opacidade, origem)))))
def representC(value):
# returns CMS color if available
if (re.search("icc-color", value.group()) ):
return simplestyle.formatColor3f(float(1.00 - float(re.split('[,\)\s]+',value.group())[2])), float(1.00), float(1.00))
else:
red = float(simplestyle.parseColor(str(value.group()))[0]/255.00)
green = float(simplestyle.parseColor(str(value.group()))[1]/255.00)
blue = float(simplestyle.parseColor(str(value.group()))[2]/255.00)
return simplestyle.formatColor3f(float(1.00 - calculateCMYK(red, green, blue)[0]), float(1.00), float(1.00))
def representM(value):
# returns CMS color if available
if ( re.search("icc-color", value.group()) ):
return simplestyle.formatColor3f(float(1.00), float(1.00 - float(re.split('[,\)\s]+',value.group())[3])), float(1.00))
else:
red = float(simplestyle.parseColor(str(value.group()))[0]/255.00)
green = float(simplestyle.parseColor(str(value.group()))[1]/255.00)
blue = float(simplestyle.parseColor(str(value.group()))[2]/255.00)
return simplestyle.formatColor3f(float(1.00), float(1.00 - calculateCMYK(red, green, blue)[1]), float(1.00))
def representY(value):
# returns CMS color if available
if (re.search("icc-color", value.group()) ):
return simplestyle.formatColor3f(float(1.00), float(1.00), float(1.00 - float(re.split('[,\)\s]+',value.group())[4])))
else:
red = float(simplestyle.parseColor(str(value.group()))[0]/255.00)
green = float(simplestyle.parseColor(str(value.group()))[1]/255.00)
blue = float(simplestyle.parseColor(str(value.group()))[2]/255.00)
return simplestyle.formatColor3f(float(1.00), float(1.00), float(1.00 - calculateCMYK(red, green, blue)[2]))
def representK(value):
# returns CMS color if available
if (re.search("icc-color", value.group()) ):
return simplestyle.formatColor3f(float(1.00 - float(re.split('[,\)\s]+',value.group())[5])), float(1.00 - float(re.split('[,\)\s]+',value.group())[5])), float(1.00 - float(re.split('[,\)\s]+',value.group())[5])))
else:
red = float(simplestyle.parseColor(str(value.group()))[0]/255.00)
green = float(simplestyle.parseColor(str(value.group()))[1]/255.00)
blue = float(simplestyle.parseColor(str(value.group()))[2]/255.00)
return simplestyle.formatColor3f(float(1.00 - calculateCMYK(red, green, blue)[3]), float(1.00 - calculateCMYK(red, green, blue)[3]), float(1.00 - calculateCMYK(red, green, blue)[3]))
def generate_svg_separations(temp_dir, original_source, overblack):
svg_ready = clean_svg_color_definitions(original_source)
open(temp_dir + "separationK.svg","w").write(re.sub("#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representK, svg_ready))
if overblack:
svg_ready = removeK(svg_ready)
open(temp_dir + "separationC.svg","w").write(re.sub("#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representC, svg_ready))
open(temp_dir + "separationM.svg","w").write(re.sub("#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representM, svg_ready))
open(temp_dir + "separationY.svg","w").write(re.sub("#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representY, svg_ready))
def generate_png_separations(temp_dir, area_to_export, resolution, alpha):
if alpha:
alpha_command = ""
else:
alpha_command = " --export-background=white "
string_inkscape_exec = ''
for color in ['C', 'M', 'Y', 'K']:
string_inkscape_exec += temp_dir + "separation" + color + ".svg " + area_to_export + ' --export-png=' + temp_dir + "separated" + area_to_export.replace(' ', '') + color + ".png" + alpha_command + ' --export-dpi=' + str(resolution) + "\n"
open('/tmp/teste.txt', 'w').write(string_inkscape_exec)
inkscape_exec = subprocess.Popen(['inkscape -z --shell'], shell=True, stdout=open(os.devnull, 'w'), stderr=open(os.devnull, 'w'), stdin=subprocess.PIPE)
inkscape_exec.communicate(input=string_inkscape_exec)