// Generated by SolidPython 1.0.1 on 2020-11-03 14:20:42
$fa = 0.4; $fs = 0.4;


rotate(a = 0, v = [1, 0, 0]) {
	difference() {
		scale(v = [1, 1, 1]) {
			difference() {
				linear_extrude(height = 1.4500000000) {
					offset(r = 1.0000000000) {
						import(file = "/home/luca/projects/anykey/stencil/anykey-x2-EdgeCuts.dxf", origin = [0, 0]);
					}
				}
				translate(v = [0, 0, 0.1500000000]) {
					linear_extrude(height = 1.4500000000) {
						translate(v = [0, 0, 0]) {
							import(file = "/home/luca/projects/anykey/stencil/anykey-x2-EdgeCuts.dxf", origin = [0, 0]);
						}
					}
				}
			}
		}
		linear_extrude(center = true, height = 0.6000000000) {
			translate(v = [0, 0, 0]) {
				import(file = "/home/luca/projects/anykey/stencil/anykey-x2-PasteBottom.dxf", origin = [0, 0]);
			}
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
			linear_extrude(center = true, height = 0.6000000000) {
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
			linear_extrude(center = true, height = 0.6000000000) {
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
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				polygon(paths = [[0, 1, 2, 3, 4]], points = [[51874700.0000000000, 82510100.0000000000], [51210100.0000000000, 83174700.0000000000], [52525300.0000000000, 84490000.0000000000], [53190000.0000000000, 83825300.0000000000], [51874700.0000000000, 82510100.0000000000]]);
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
			linear_extrude(center = true, height = 0.6000000000) {
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
			linear_extrude(center = true, height = 0.6000000000) {
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				polygon(paths = [[0, 1, 2, 3, 4]], points = [[50470000.0000000000, 62330000.0000000000], [50470000.0000000000, 63270000.0000000000], [52330000.0000000000, 63270000.0000000000], [52330000.0000000000, 62330000.0000000000], [50470000.0000000000, 62330000.0000000000]]);
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		scale(v = [0.0000010000, -0.0000010000, 1]) {
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	}
}
/***********************************************
*********      SolidPython code:      **********
************************************************
 
import pcbnew
from pcbnew import wxPoint
import numpy as np
from kikit.common import *
from kikit.defs import *
from kikit.substrate import Substrate, extractRings, toShapely, linestringToKicad
from kikit.export import gerberImpl, pasteDxfExport
import solid
import solid.utils
import subprocess
from kikit.common import removeComponents, parseReferences

from shapely.geometry import Point
from kikit import pcbnew_compatibility


OUTER_BORDER = fromMm(7.5)
INNER_BORDER = fromMm(5)
MOUNTING_HOLES_COUNT = 3
MOUNTING_HOLE_R = fromMm(1)
HOLE_SPACING = fromMm(20)

def addBottomCounterpart(board, item):
    item = item.Duplicate()
    item.SetLayer(Layer.B_Paste)
    board.Add(item)

def addRoundedCorner(board, center, start, end, thickness):
    corner = pcbnew.PCB_SHAPE()
    corner.SetShape(STROKE_T.S_ARC)
    corner.SetCenter(wxPoint(center[0], center[1]))
    corner.SetArcStart(wxPoint(start[0], start[1]))
    if np.cross(start - center, end - center) > 0:
        corner.SetAngle(fromDegrees(90))
    else:
        corner.SetAngle(fromDegrees(-90))
    corner.SetWidth(thickness)
    corner.SetLayer(Layer.F_Paste)
    board.Add(corner)
    addBottomCounterpart(board, corner)

def addLine(board, start, end, thickness):
    line = pcbnew.PCB_SHAPE()
    line.SetShape(STROKE_T.S_SEGMENT)
    line.SetStart(wxPoint(start[0], start[1]))
    line.SetEnd(wxPoint(end[0], end[1]))
    line.SetWidth(thickness)
    line.SetLayer(Layer.F_Paste)
    board.Add(line)
    addBottomCounterpart(board, line)

def addBite(board, origin, direction, normal, thickness):
    """
    Adds a bite to the stencil, direction points to the bridge, normal points
    inside the stencil
    """
    direction = normalize(direction) * thickness
    normal = normalize(normal) * thickness
    center = wxPoint(origin[0], origin[1]) + wxPoint(normal[0], normal[1])
    start = origin
    end = center + wxPoint(direction[0], direction[1])
    # addLine(board, end, end + normal / 2, thickness)
    addRoundedCorner(board, center, start, end, thickness)

def numberOfCuts(length, bridgeWidth, bridgeSpacing):
    """
    Return number of bridges which fit inside the length and cut length
    """
    count = int(np.floor((length + bridgeWidth) / (bridgeWidth + bridgeSpacing)))
    cutLength = (length - (count - 1) * bridgeWidth) / count
    return count, cutLength

def addFrame(board, rect, bridgeWidth, bridgeSpacing, clearance):
    """
    Add rectangular frame to the board
    """
    R=fromMm(1)

    corners = [
        (tl(rect), wxPoint(R, 0), wxPoint(0, R)), # TL
        (tr(rect), wxPoint(0, R), wxPoint(-R, 0)), # TR
        (br(rect), wxPoint(-R, 0), wxPoint(0, -R)), # BR
        (bl(rect), wxPoint(0, -R), wxPoint(R, 0)) # BL
    ]
    for c, sOffset, eOffset in corners:
        addRoundedCorner(board, c + sOffset + eOffset, c + sOffset, c + eOffset, clearance)

    count, cutLength = numberOfCuts(rect.GetWidth() - 2 * R, bridgeWidth, bridgeSpacing)
    for i in range(count):
        start = rect.GetX() + R + i * bridgeWidth + i * cutLength
        end = start + cutLength

        y1, y2 = rect.GetY(), rect.GetY() + rect.GetHeight()
        addLine(board, wxPoint(start, y1), wxPoint(end, y1), clearance)
        if i != 0:
            addBite(board, wxPoint(start, y1), wxPoint(-1, 0), wxPoint(0, 1), clearance)
        if i != count - 1:
            addBite(board, wxPoint(end, y1), wxPoint(1, 0), wxPoint(0, 1), clearance)
        addLine(board, wxPoint(start, y2), wxPoint(end, y2), clearance)
        if i != 0:
            addBite(board, wxPoint(start, y2), wxPoint(-1, 0), wxPoint(0, -1), clearance)
        if i != count - 1:
            addBite(board, wxPoint(end, y2), wxPoint(1, 0), wxPoint(0, -1), clearance)

    count, cutLength = numberOfCuts(rect.GetHeight() - 2 * R, bridgeWidth, bridgeSpacing)
    for i in range(count):
        start = rect.GetY() + R + i * bridgeWidth + i * cutLength
        end = start + cutLength

        x1, x2 = rect.GetX(), rect.GetX() + rect.GetWidth()
        addLine(board, wxPoint(x1, start), wxPoint(x1, end), clearance)
        if i != 0:
            addBite(board, wxPoint(x1, start), wxPoint(0, -1), wxPoint(1, 0), clearance)
        if i != count - 1:
            addBite(board, wxPoint(x1, end), wxPoint(0, 1), wxPoint(1, 0), clearance)
        addLine(board, wxPoint(x2, start), wxPoint(x2, end), clearance)
        if i != 0:
            addBite(board, wxPoint(x2, start), wxPoint(0, -1), wxPoint(-1, 0), clearance)
        if i != count - 1:
            addBite(board, wxPoint(x2, end), wxPoint(0, 1), wxPoint(-1, 0), clearance)

def addHole(board, position, radius):
    circle = pcbnew.PCB_SHAPE()
    circle.SetShape(STROKE_T.S_CIRCLE)
    circle.SetCenter(wxPoint(position[0], position[1]))
    circle.SetArcStart(wxPoint(position[0], position[1]) + wxPoint(radius/2, 0))
    circle.SetWidth(radius)
    circle.SetLayer(Layer.F_Paste)
    board.Add(circle)
    addBottomCounterpart(board, circle)

def addJigFrame(board, jigFrameSize, bridgeWidth=fromMm(2),
                bridgeSpacing=fromMm(10), clearance=fromMm(0.5)):
    """
    Given a Pcbnew board finds the board outline and creates a stencil for
    KiKit's stencil jig.

    Mainly, adds mounting holes and mouse bites to define the panel outline.

    jigFrameSize is a tuple (width, height).
    """
    bBox = findBoardBoundingBox(board)
    frameSize = rectByCenter(rectCenter(bBox),
        jigFrameSize[0] + 2 * (OUTER_BORDER + INNER_BORDER),
        jigFrameSize[1] + 2 * (OUTER_BORDER + INNER_BORDER))
    cutSize = rectByCenter(rectCenter(bBox),
        jigFrameSize[0] + 2 * (OUTER_BORDER + INNER_BORDER) - fromMm(1),
        jigFrameSize[1] + 2 * (OUTER_BORDER + INNER_BORDER) - fromMm(1))
    addFrame(board, cutSize, bridgeWidth, bridgeSpacing, clearance)

    for i in range(MOUNTING_HOLES_COUNT):
        x = frameSize.GetX() + OUTER_BORDER / 2 + (i + 1) * (frameSize.GetWidth() - OUTER_BORDER) / (MOUNTING_HOLES_COUNT + 1)
        addHole(board, wxPoint(x, OUTER_BORDER / 2 + frameSize.GetY()), MOUNTING_HOLE_R)
        addHole(board, wxPoint(x, - OUTER_BORDER / 2 +frameSize.GetY() + frameSize.GetHeight()), MOUNTING_HOLE_R)
    for i in range(MOUNTING_HOLES_COUNT):
        y = frameSize.GetY() + OUTER_BORDER / 2 + (i + 1) * (frameSize.GetHeight() - OUTER_BORDER) / (MOUNTING_HOLES_COUNT + 1)
        addHole(board, wxPoint(OUTER_BORDER / 2 + frameSize.GetX(), y), MOUNTING_HOLE_R)
        addHole(board, wxPoint(- OUTER_BORDER / 2 +frameSize.GetX() + frameSize.GetWidth(), y), MOUNTING_HOLE_R)

    PIN_TOLERANCE = fromMm(0.05)
    addHole(board, tl(frameSize) + wxPoint(OUTER_BORDER / 2, OUTER_BORDER / 2), MOUNTING_HOLE_R + PIN_TOLERANCE)
    addHole(board, tr(frameSize) + wxPoint(-OUTER_BORDER / 2, OUTER_BORDER / 2), MOUNTING_HOLE_R + PIN_TOLERANCE)
    addHole(board, br(frameSize) + wxPoint(-OUTER_BORDER / 2, -OUTER_BORDER / 2), MOUNTING_HOLE_R + PIN_TOLERANCE)
    addHole(board, bl(frameSize) + wxPoint(OUTER_BORDER / 2, -OUTER_BORDER / 2), MOUNTING_HOLE_R + PIN_TOLERANCE)

def jigMountingHoles(jigFrameSize, origin=wxPoint(0, 0)):
    """ Get list of all mounting holes in a jig of given size """
    w, h = jigFrameSize
    holes = [
        wxPoint(0, (w + INNER_BORDER) / 2),
        wxPoint(0, -(w + INNER_BORDER) / 2),
        wxPoint((h + INNER_BORDER) / 2, 0),
        wxPoint(-(h + INNER_BORDER) / 2, 0),
    ]
    return [x + origin for x in holes]

def createOuterPolygon(board, jigFrameSize, outerBorder):
    bBox = findBoardBoundingBox(board)
    centerpoint = rectCenter(bBox)
    holes = jigMountingHoles(jigFrameSize, centerpoint)

    outerSubstrate = Substrate(collectEdges(board, "Edge.Cuts"))
    outerSubstrate.substrates = outerSubstrate.substrates.buffer(outerBorder)
    tabs = []
    for hole in holes:
        tab, _ = outerSubstrate.tab(hole, centerpoint - hole, INNER_BORDER, fromMm(1000))
        tabs.append(tab)
    outerSubstrate.union(tabs)
    outerSubstrate.union([Point(x).buffer(INNER_BORDER / 2) for x in holes])
    outerSubstrate.millFillets(fromMm(3))
    return outerSubstrate.exterior(), holes

def createOffsetPolygon(board, offset):
    outerSubstrate = Substrate(collectEdges(board, "Edge.Cuts"))
    outerSubstrate.substrates = outerSubstrate.substrates.buffer(offset)
    return outerSubstrate.exterior()

def m2countersink():
    HEAD_DIA = fromMm(4.5)
    HOLE_LEN = fromMm(10)
    SINK_EXTRA = fromMm(0.3)
    sinkH = np.sqrt(HEAD_DIA**2 / 4)

    sink = solid.cylinder(d1=0, d2=HEAD_DIA, h=sinkH)
    sinkE = solid.cylinder(d=HEAD_DIA, h=SINK_EXTRA)
    hole = solid.cylinder(h=HOLE_LEN, d=fromMm(2))
    return sinkE + solid.utils.down(sinkH)(sink) + solid.utils.down(HOLE_LEN)(hole)

def mirrorX(linestring, origin):
    return [(2 * origin - x, y) for x, y in linestring]

def makeRegister(board, jigFrameSize, jigThickness, pcbThickness,
                 outerBorder, innerBorder, tolerance, topSide):
    bBox = findBoardBoundingBox(board)
    centerpoint = rectCenter(bBox)

    top = jigThickness - fromMm(0.15)
    pcbBottom = jigThickness - pcbThickness

    outerPolygon, holes = createOuterPolygon(board, jigFrameSize, outerBorder)
    outerRing = outerPolygon.exterior.coords
    if topSide:
        outerRing = mirrorX(outerRing, centerpoint[0])
    body = solid.linear_extrude(height=top, convexity=10)(solid.polygon(
        outerRing))

    innerRing = createOffsetPolygon(board, - innerBorder).exterior.coords
    if topSide:
        innerRing = mirrorX(innerRing, centerpoint[0])
    innerCutout = solid.utils.down(jigThickness)(
        solid.linear_extrude(height=3 * jigThickness, convexity=10)(solid.polygon(innerRing)))
    registerRing = createOffsetPolygon(board, tolerance).exterior.coords
    if topSide:
        registerRing = mirrorX(registerRing, centerpoint[0])
    registerCutout = solid.utils.up(jigThickness - pcbThickness)(
        solid.linear_extrude(height=jigThickness, convexity=10)(solid.polygon(registerRing)))

    register = body - innerCutout - registerCutout
    for hole in holes:
        register = register - solid.translate([hole[0], hole[1], top])(m2countersink())
    return solid.scale(toMm(1))(
            solid.translate([-centerpoint[0], -centerpoint[1], 0])(register))

def makeTopRegister(board, jigFrameSize, jigThickness, pcbThickness,
                    outerBorder=fromMm(3), innerBorder=fromMm(1),
                    tolerance=fromMm(0.05)):
    """
    Create a SolidPython representation of the top register
    """
    print("Top")
    return makeRegister(board, jigFrameSize, jigThickness, pcbThickness,
            outerBorder, innerBorder, tolerance, True)

def makeBottomRegister(board, jigFrameSize, jigThickness, pcbThickness,
                    outerBorder=fromMm(3), innerBorder=fromMm(1),
                    tolerance=fromMm(0.05)):
    """
    Create a SolidPython representation of the top register
    """
    print("Bottom")
    return makeRegister(board, jigFrameSize, jigThickness, pcbThickness,
            outerBorder, innerBorder, tolerance, False)

def renderScad(infile, outfile):
    infile = os.path.abspath(infile)
    outfile = os.path.abspath(outfile)
    subprocess.check_call(["openscad", "-o", outfile, infile])

def shapelyToSHAPE_POLY_SET(polygon):
    p = pcbnew.SHAPE_POLY_SET()
    print(polygon.exterior)
    p.AddOutline(linestringToKicad(polygon.exterior))
    return p

def cutoutComponents(board, components):
    topCutout = extractComponentPolygons(components, "F.CrtYd")
    for polygon in topCutout:
        zone = pcbnew.PCB_SHAPE()
        zone.SetShape(STROKE_T.S_POLYGON)
        zone.SetPolyShape(shapelyToSHAPE_POLY_SET(polygon))
        zone.SetLayer(Layer.F_Paste)
        board.Add(zone)
    bottomCutout = extractComponentPolygons(components, "B.CrtYd")
    for polygon in bottomCutout:
        zone = pcbnew.PCB_SHAPE()
        zone.SetShape(STROKE_T.S_POLYGON)
        zone.SetPolyShape(shapelyToSHAPE_POLY_SET(polygon))
        zone.SetLayer(Layer.B_Paste)
        board.Add(zone)


from pathlib import Path
import os

def create(inputboard, outputdir, jigsize, jigthickness, pcbthickness,
           registerborder, tolerance, ignore, cutout):
    board = pcbnew.LoadBoard(inputboard)
    refs = parseReferences(ignore)
    removeComponents(board, refs)

    Path(outputdir).mkdir(parents=True, exist_ok=True)

    jigsize = (fromMm(jigsize[0]), fromMm(jigsize[1]))
    addJigFrame(board, jigsize)
    cutoutComponents(board, getComponents(board, parseReferences(cutout)))

    stencilFile = os.path.join(outputdir, "stencil.kicad_pcb")
    board.Save(stencilFile)

    plotPlan = [
        # name, id, comment
        ("PasteBottom", pcbnew.B_Paste, "Paste Bottom"),
        ("PasteTop", pcbnew.F_Paste, "Paste top"),
    ]
    gerberDir = os.path.join(outputdir, "gerber")
    gerberImpl(stencilFile, gerberDir, plotPlan, False)
    gerbers = [os.path.join(gerberDir, x) for x in os.listdir(gerberDir)]
    subprocess.check_call(["zip", "-j",
        os.path.join(outputdir, "gerbers.zip")] + gerbers)

    jigthickness = fromMm(jigthickness)
    pcbthickness = fromMm(pcbthickness)
    outerBorder, innerBorder = fromMm(registerborder[0]), fromMm(registerborder[1])
    tolerance = fromMm(tolerance)
    topRegister = makeTopRegister(board, jigsize,jigthickness, pcbthickness,
        outerBorder, innerBorder, tolerance)
    bottomRegister = makeBottomRegister(board, jigsize,jigthickness, pcbthickness,
        outerBorder, innerBorder, tolerance)

    topRegisterFile = os.path.join(outputdir, "topRegister.scad")
    solid.scad_render_to_file(topRegister, topRegisterFile)
    renderScad(topRegisterFile, os.path.join(outputdir, "topRegister.stl"))

    bottomRegisterFile = os.path.join(outputdir, "bottomRegister.scad")
    solid.scad_render_to_file(bottomRegister, bottomRegisterFile)
    renderScad(bottomRegisterFile, os.path.join(outputdir, "bottomRegister.stl"))

def printedStencilSubstrate(outlineDxf, thickness, frameHeight, frameWidth, frameClearance):
    bodyOffset = solid.utils.up(0) if frameWidth + frameClearance == 0 else solid.offset(r=frameWidth + frameClearance)
    body = solid.linear_extrude(height=thickness + frameHeight)(
        bodyOffset(solid.import_dxf(outlineDxf)))
    boardOffset = solid.utils.up(0) if frameClearance == 0 else solid.offset(r=frameClearance)
    board = solid.utils.up(thickness)(
        solid.linear_extrude(height=thickness + frameHeight)(
            boardOffset(solid.import_dxf(outlineDxf))))
    return body - board

def getComponents(board, references):
    """
    Return a list of components based on designator
    """
    return [m for m in board.GetModules() if m.GetReference() in references]

def collectModuleEdges(module, layerName):
    """
    Return all edges on given layer in given module
    """
    return [e for e in module.GraphicalItems() if e.GetLayerName() == layerName]

def extractComponentPolygons(modules, srcLayer):
    """
    Return a list of shapely polygons with holes for already placed components.
    The source layer defines the geometry on which the cutout is computed.
    Usually it a font or back courtyard
    """
    polygons = []
    for m in modules:
       edges = collectModuleEdges(m, srcLayer)
       for ring in extractRings(edges):
           polygons.append(toShapely(ring, edges))
    return polygons

def printedStencil(outlineDxf, holesDxf, extraHoles, thickness, frameHeight, frameWidth,
                   frameClearance, enlargeHoles, front):
    zScale = -1 if front else 1
    xRotate = 180 if front else 0
    substrate = solid.scale([1, 1, zScale])(printedStencilSubstrate(outlineDxf,
        thickness, frameHeight, frameWidth, frameClearance))
    holesOffset = solid.utils.up(0) if enlargeHoles == 0 else solid.offset(delta=enlargeHoles)
    holes = solid.linear_extrude(height=4*thickness, center=True)(
        holesOffset(solid.import_dxf(holesDxf)))
    substrate -= holes
    for h in extraHoles:
        substrate -= solid.scale([toMm(1), -toMm(1), 1])(
                solid.linear_extrude(height=4*thickness, center=True)(
                    solid.polygon(h.exterior.coords)))
    return solid.rotate(a=xRotate, v=[1, 0, 0])(substrate)

def createPrinted(inputboard, outputdir, pcbthickness, thickness, framewidth,
                  ignore, cutout, frameclearance, enlargeholes):
    """
    Create a 3D printed self-registering stencil.
    """
    board = pcbnew.LoadBoard(inputboard)
    refs = parseReferences(ignore)
    cutoutComponents = getComponents(board, parseReferences(cutout))
    removeComponents(board, refs)
    Path(outputdir).mkdir(parents=True, exist_ok=True)

    # We create the stencil based on DXF export. Using it avoids the necessity
    # to interpret KiCAD PAD shapes which constantly change with newer and newer
    # versions.
    height = min(pcbthickness, max(0.5, pcbthickness - 0.3))
    bottomPaste, topPaste, outline = pasteDxfExport(board, outputdir)
    topCutout = extractComponentPolygons(cutoutComponents, "F.CrtYd")
    bottomCutout = extractComponentPolygons(cutoutComponents, "B.CrtYd")
    topStencil = printedStencil(outline, topPaste, topCutout, thickness, height,
        framewidth, frameclearance, enlargeholes, True)
    bottomStencil = printedStencil(outline, bottomPaste, bottomCutout, thickness,
        height, framewidth, frameclearance, enlargeholes, False)

    bottomStencilFile = os.path.join(outputdir, "bottomStencil.scad")
    solid.scad_render_to_file(bottomStencil, bottomStencilFile,
        file_header=f'$fa = 0.4; $fs = 0.4;', include_orig_code=True)
    renderScad(bottomStencilFile, os.path.join(outputdir, "bottomStencil.stl"))

    topStencilFile = os.path.join(outputdir, "topStencil.scad")
    solid.scad_render_to_file(topStencil, topStencilFile,
        file_header=f'$fa = 0.4; $fs = 0.4;', include_orig_code=True)
    renderScad(topStencilFile, os.path.join(outputdir, "topStencil.stl"))



 
 
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