118 lines
5.8 KiB
Python
118 lines
5.8 KiB
Python
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#!/usr/bin/env python3
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import re
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import os
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import inkex
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from inkex.command import inkscape
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def calculateCMYK(red, green, blue):
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C = float()
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M = float()
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Y = float()
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K = float()
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if 1.00 - red < 1.00 - green:
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K = 1.00 - red
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else:
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K = 1.00 - green
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if 1.00 - blue < K:
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K = 1.00 - blue
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if K != 1.00:
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C = ( 1.00 - red - K ) / ( 1.00 - K )
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M = ( 1.00 - green - K ) / ( 1.00 - K )
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Y = ( 1.00 - blue - K ) / ( 1.00 - K )
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return [C, M, Y, K]
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def clean_svg_color_definitions(svg):
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def change_colors(origin, color_type):
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for i in range(len(str(origin).split(color_type + ':'))):
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if str(str(origin).split(color_type + ':')[i].split(';')[0]) in inkex.colors.SVG_COLOR.keys():
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color_numbers = str(inkex.Color(inkex.Color(str(str(origin).split(color_type + ':')[i].split(';')[0])).to_rgb()))
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origin = str(origin).replace(':' + str(str(origin).split(color_type + ':')[i].split(';')[0]) + ';', ':' + color_numbers + ';')
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return origin
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colortypes = ['fill', 'stop-color', 'flood-color', 'lighting-color', 'stroke']
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for i in range(len(colortypes)):
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svg = change_colors(svg, colortypes[i])
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return svg
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def removeK(origin):
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def reset_opacity(value):
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return str(value.group()).split('opacity:')[0] + "opacity:0;"
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#return re.sub("#000000;fill-opacity:[0-9.]+;", reset_opacity, re.sub("#000000;stop-opacity:[0-9.]+;", reset_opacity, re.sub("#000000;stroke-opacity:[0-9.]+;", reset_opacity, re.sub("#000000;flood-opacity:[0-9.]+;", reset_opacity, re.sub("#000000;lighting-opacity:[0-9.]+;", reset_opacity, origin)))))
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return re.sub("#000000;fill-opacity:[0-9.?]+", reset_opacity, re.sub("#000000;stop-opacity:[0-9.?]+", reset_opacity, re.sub("#000000;stroke-opacity:[0-9.?]+", reset_opacity, re.sub("#000000;flood-opacity:[0-9.?]+", reset_opacity, re.sub("#000000;lighting-opacity:[0-9.?]+", reset_opacity, origin)))))
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def representC(value):
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# returns CMS color if available
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if (re.search("icc-color", value.group())):
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return str(inkex.Color((float(1.00 - float(re.split(r'[,\)\s]+',value.group())[2])), float(1.00), float(1.00))))
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else:
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red = float(inkex.Color(str(value.group())).to_rgb()[0]/255.00)
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green = float(inkex.Color(str(value.group())).to_rgb()[1]/255.00)
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blue = float(inkex.Color(str(value.group())).to_rgb()[2]/255.00)
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return str(inkex.Color((float(1.00 - calculateCMYK(red, green, blue)[0]), float(1.00), float(1.00))))
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def representM(value):
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# returns CMS color if available
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if ( re.search("icc-color", value.group()) ):
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return str(inkex.Color((float(1.00), float(1.00 - float(re.split(r'[,\)\s]+',value.group())[3])), float(1.00))))
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else:
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red = float(inkex.Color(str(value.group())).to_rgb()[0]/255.00)
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green = float(inkex.Color(str(value.group())).to_rgb()[1]/255.00)
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blue = float(inkex.Color(str(value.group())).to_rgb()[2]/255.00)
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return str(inkex.Color((float(1.00), float(1.00 - calculateCMYK(red, green, blue)[1]), float(1.00))))
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def representY(value):
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# returns CMS color if available
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if (re.search("icc-color", value.group()) ):
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return str(inkex.Color((float(1.00), float(1.00), float(1.00 - float(re.split(r'[,\)\s]+',value.group())[4])))))
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else:
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red = float(inkex.Color(str(value.group())).to_rgb()[0]/255.00)
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green = float(inkex.Color(str(value.group())).to_rgb()[1]/255.00)
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blue = float(inkex.Color(str(value.group())).to_rgb()[2]/255.00)
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return str(inkex.Color((float(1.00), float(1.00), float(1.00 - calculateCMYK(red, green, blue)[2]))))
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def representK(value):
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# returns CMS color if available
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if (re.search("icc-color", value.group()) ):
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return str(inkex.Color((float(1.00 - float(re.split(r'[,\)\s]+',value.group())[5])), float(1.00 - float(re.split(r'[,\)\s]+',value.group())[5])), float(1.00 - float(re.split(r'[,\)\s]+',value.group())[5])))))
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else:
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red = float(inkex.Color(str(value.group())).to_rgb()[0]/255.00)
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green = float(inkex.Color(str(value.group())).to_rgb()[1]/255.00)
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blue = float(inkex.Color(str(value.group())).to_rgb()[2]/255.00)
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return str(inkex.Color((float(1.00 - calculateCMYK(red, green, blue)[3]), float(1.00 - calculateCMYK(red, green, blue)[3]), float(1.00 - calculateCMYK(red, green, blue)[3]))))
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def generate_svg_separations(temp_dir, original_source, overblack):
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svg_ready = clean_svg_color_definitions(original_source)
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with open(os.path.join(temp_dir, "separationK.svg"), "w") as f:
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f.write(re.sub(r"#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representK, svg_ready))
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if overblack:
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svg_ready = removeK(svg_ready)
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with open(os.path.join(temp_dir, "separationC.svg"), "w") as f:
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f.write(re.sub(r"#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representC, svg_ready))
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with open(os.path.join(temp_dir, "separationM.svg"), "w") as f:
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f.write(re.sub(r"#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representM, svg_ready))
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with open(os.path.join(temp_dir, "separationY.svg"), "w") as f:
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f.write(re.sub(r"#[a-fA-F0-9]{6}( icc-color\(.*?\))?", representY, svg_ready))
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def generate_png_separations(temp_dir, area_to_export, resolution, alpha):
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if alpha:
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alpha_command = ""
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else:
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alpha_command = ";export-background:white"
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for color in ['C', 'M', 'Y', 'K']:
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cmd = area_to_export + alpha_command + ';export-dpi:' + str(resolution) + ';export-background-opacity:1;export-filename:' + os.path.join(temp_dir, "separated" + area_to_export.replace(' ', '') + color + ".png") + ';export-do'
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#inkex.utils.debug(cmd)
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cli_output = inkscape(os.path.join(temp_dir, "separation" + color + ".svg"), actions=cmd)
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if len(cli_output) > 0:
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inkex.utils.debug(cli_output)
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#inkex.utils.debug(os.listdir(temp_dir))
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