frame_plotter

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# Copyright (c) 2024 Salvador E. Tropea
# Copyright (c) 2024 Instituto Nacional de Tecnología Industrial
# License: AGPL-3.0
# Project: KiBot (formerly KiPlot)
# Description: Prints the F.Cu and the PCB frame to an SVG file
# Arguments: PCB_file Red Green Blue
# Note: uses the Python API because kicad-cli fails to show colors
#       https://gitlab.com/kicad/code/kicad/-/issues/18928
import json
import os
import pcbnew
import sys
import tempfile

# Load the PCB
board = pcbnew.LoadBoard(sys.argv[1])
r = int(float(sys.argv[2])*255)
g = int(float(sys.argv[3])*255)
b = int(float(sys.argv[4])*255)
# Create a plot controller
pc = pcbnew.PLOT_CONTROLLER(board)

# Create a color scheme with a different worksheet color and load it
# Yes, ridiculous, but the COLOR_SETTINGS class isn't exported
sm = pcbnew.GetSettingsManager()
path = os.path.join(pcbnew.SETTINGS_MANAGER.GetUserSettingsPath(), 'colors')
os.makedirs(path, exist_ok=True)
with tempfile.NamedTemporaryFile(mode='wt', delete=False, suffix='.json', prefix='kibo_color_', dir=path) as f:
    f.write(json.dumps({"board": {"worksheet": f"rgb({r}, {g}, {b})"}}))
new_cs = sm.AddNewColorSettings(os.path.basename(f.name))
os.remove(f.name)

# Get the plot options
po = pc.GetPlotOptions()
# Frame with colors, using the color we selected
po.SetPlotFrameRef(True)
po.SetColorSettings(new_cs)
po.SetBlackAndWhite(False)

# Create the SVG
pc.SetLayer(board.GetLayerID('F.Cu'))
assert pc.OpenPlotfile('frame', pcbnew.PLOT_FORMAT_SVG, 'simple')
pc.SetColorMode(True)
pc.PlotLayer()
print(pc.GetPlotFileName())
pc.ClosePlot()