FabLab_Chemnitz/mightyscape-1.1-deprecated
FabLab_Chemnitz/mightyscape-1.1-deprecated
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mightyscape-1.1-deprecated/extensions/fablabchemnitz/papercraft/openjscad/node_modules/@jscad/svg-deserializer/shapesMapJscad.js

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const {svg2cagX, svg2cagY, cagLengthX, cagLengthY, cagLengthP, reflect, groupValue} = require('./helpers')
const {cssPxUnit} = require('./constants')
const shapesMap = function (obj, codify, params) {
const {level, indent, on, svgUnitsPmm, svgUnitsX, svgUnitsY, svgUnitsV, svgGroups} = params
const types = {
group: (obj) => {
let code = codify(obj)
code += indent + 'var ' + on + ' = cag' + (level + 1) + ';\n'
return code
},
rect: (obj, svgUnitsPmm, svgUnitsX, svgUnitsY) => {
let x = cagLengthX(obj.x, svgUnitsPmm, svgUnitsX)
let y = (0 - cagLengthY(obj.y, svgUnitsPmm, svgUnitsY))
const w = cagLengthX(obj.width, svgUnitsPmm, svgUnitsX)
const h = cagLengthY(obj.height, svgUnitsPmm, svgUnitsY)
const rx = cagLengthX(obj.rx, svgUnitsPmm, svgUnitsX)
// const ry = cagLengthY(obj.ry, svgUnitsPmm, svgUnitsY)
if (w > 0 && h > 0) {
x = (x + (w / 2)).toFixed(4) // position the object via the center
y = (y - (h / 2)).toFixed(4) // position the object via the center
if (rx === 0) {
return indent + 'var ' + on + ' = CAG.rectangle({center: [' + x + ',' + y + '], radius: [' + w / 2 + ',' + h / 2 + ']});\n'
} else {
return indent + 'var ' + on + ' = CAG.roundedRectangle({center: [' + x + ',' + y + '], radius: [' + w / 2 + ',' + h / 2 + '], roundradius: ' + rx + '});\n'
}
}
},
circle: (obj, svgUnitsPmm, svgUnitsX, svgUnitsY, svgUnitsV) => {
const x = cagLengthX(obj.x, svgUnitsPmm, svgUnitsX)
const y = (0 - cagLengthY(obj.y, svgUnitsPmm, svgUnitsY))
const r = cagLengthP(obj.radius, svgUnitsPmm, svgUnitsV)
if (r > 0) {
return indent + 'var ' + on + ' = CAG.circle({center: [' + x + ',' + y + '], radius: ' + r + '});\n'
}
},
ellipse: (obj, svgUnitsPmm, svgUnitsX, svgUnitsY, svgUnitsV) => {
const rx = cagLengthX(obj.rx, svgUnitsPmm, svgUnitsX)
const ry = cagLengthY(obj.ry, svgUnitsPmm, svgUnitsY)
const cx = cagLengthX(obj.cx, svgUnitsPmm, svgUnitsX)
const cy = (0 - cagLengthY(obj.cy, svgUnitsPmm, svgUnitsY))
if (rx > 0 && ry > 0) {
return indent + 'var ' + on + ' = CAG.ellipse({center: [' + cx + ',' + cy + '], radius: [' + rx + ',' + ry + ']});\n'
}
},
line: (obj, svgUnitsPmm, svgUnitsX, svgUnitsY, svgUnitsV) => {
const x1 = cagLengthX(obj.x1, svgUnitsPmm, svgUnitsX)
const y1 = (0 - cagLengthY(obj.y1, svgUnitsPmm, svgUnitsY))
const x2 = cagLengthX(obj.x2, svgUnitsPmm, svgUnitsX)
const y2 = (0 - cagLengthY(obj.y2, svgUnitsPmm, svgUnitsY))
let r = cssPxUnit // default
if ('strokeWidth' in obj) {
r = cagLengthP(obj.strokeWidth, svgUnitsPmm, svgUnitsV) / 2
} else {
const v = groupValue(svgGroups, 'strokeWidth')
if (v !== null) {
r = cagLengthP(v, svgUnitsPmm, svgUnitsV) / 2
}
}
let tmpCode = indent + 'var ' + on + ' = new CSG.Path2D([[' + x1 + ',' + y1 + '],[' + x2 + ',' + y2 + ']],false);\n'
tmpCode += indent + on + ' = ' + on + '.expandToCAG(' + r + ',CSG.defaultResolution2D);\n'
return tmpCode
},
polygon: (obj, svgUnitsPmm, svgUnitsX, svgUnitsY) => {
let tmpCode = indent + 'var ' + on + ' = new CSG.Path2D([\n'
for (let j = 0; j < obj.points.length; j++) {
const p = obj.points[j]
if ('x' in p && 'y' in p) {
const x = cagLengthX(p.x, svgUnitsPmm, svgUnitsX)
const y = (0 - cagLengthY(p.y, svgUnitsPmm, svgUnitsY))
tmpCode += indent + ' [' + x + ',' + y + '],\n'
}
}
tmpCode += indent + '],true);\n'
tmpCode += indent + on + ' = ' + on + '.innerToCAG();\n'
return tmpCode
},
polyline: (obj, svgUnitsPmm, svgUnitsX, svgUnitsY, svgUnitsV) => {
let r = cssPxUnit // default
if ('strokeWidth' in obj) {
r = cagLengthP(obj.strokeWidth, svgUnitsPmm, svgUnitsV) / 2
} else {
const v = groupValue(svgGroups, 'strokeWidth')
if (v !== null) {
r = cagLengthP(v, svgUnitsPmm, svgUnitsV) / 2
}
}
let tmpCode = indent + 'var ' + on + ' = new CSG.Path2D([\n'
for (let j = 0; j < obj.points.length; j++) {
const p = obj.points[j]
if ('x' in p && 'y' in p) {
var x = cagLengthX(p.x, svgUnitsPmm, svgUnitsX)
var y = (0 - cagLengthY(p.y, svgUnitsPmm, svgUnitsY))
tmpCode += indent + ' [' + x + ',' + y + '],\n'
}
}
tmpCode += indent + '],false);\n'
tmpCode += indent + on + ' = ' + on + '.expandToCAG(' + r + ',CSG.defaultResolution2D);\n'
return tmpCode
},
path
}
return types[obj.type](obj, svgUnitsPmm, svgUnitsX, svgUnitsY, svgUnitsV, params, svgGroups)
}
module.exports = shapesMap
function path (obj, svgUnitsPmm, svgUnitsX, svgUnitsY, svgUnitsV, params, svgGroups) {
const {indent, on} = params
let tmpCode = indent + 'var ' + on + ' = new CAG();\n'
let r = cssPxUnit // default
if ('strokeWidth' in obj) {
r = cagLengthP(obj.strokeWidth, svgUnitsPmm, svgUnitsV) / 2
} else {
const v = groupValue(svgGroups, 'strokeWidth')
if (v !== null) {
r = cagLengthP(v, svgUnitsPmm, svgUnitsV) / 2
}
}
// Note: All values are SVG values
let sx = 0 // starting position
let sy = 0
let cx = 0 // current position
let cy = 0
let pi = 0 // current path index
let pathName = on + pi // current path name
let pc = false // current path closed
let bx = 0 // 2nd control point from previous C command
let by = 0 // 2nd control point from previous C command
let qx = 0 // 2nd control point from previous Q command
let qy = 0 // 2nd control point from previous Q command
for (let j = 0; j < obj.commands.length; j++) {
let co = obj.commands[j]
let pts = co.p
// console.log('postion: ['+cx+','+cy+'] before '+co.c);
switch (co.c) {
case 'm': // relative move to X,Y
// special case, if at beginning of path then treat like absolute M
if (j === 0) {
cx = 0; cy = 0
}
// close the previous path
if (pi > 0 && pc === false) {
tmpCode += indent + pathName + ' = ' + pathName + '.expandToCAG(' + r + ',CSG.defaultResolution2D);\n'
}
// open a new path
if (pts.length >= 2) {
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
pi++
pathName = on + pi
pc = false
tmpCode += indent + 'var ' + pathName + ' = new CSG.Path2D([[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']],false);\n'
sx = cx; sy = cy
}
// optional implicit relative lineTo (cf SVG spec 8.3.2)
while (pts.length >= 2) {
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'M': // absolute move to X,Y
// close the previous path
if (pi > 0 && pc === false) {
tmpCode += indent + pathName + ' = ' + pathName + '.expandToCAG(' + r + ',CSG.defaultResolution2D);\n'
}
// open a new path
if (pts.length >= 2) {
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
pi++
pathName = on + pi
pc = false
tmpCode += indent + 'var ' + pathName + ' = new CSG.Path2D([[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']],false);\n'
sx = cx; sy = cy
}
// optional implicit absolute lineTo (cf SVG spec 8.3.2)
while (pts.length >= 2) {
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'a': // relative elliptical arc
while (pts.length >= 7) {
let rx = parseFloat(pts.shift())
let ry = parseFloat(pts.shift())
let ro = 0 - parseFloat(pts.shift())
let lf = (pts.shift() === '1')
let sf = (pts.shift() === '1')
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendArc([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + '],{xradius: ' + svg2cagX(rx, svgUnitsPmm) + ',yradius: ' + svg2cagY(ry, svgUnitsPmm) + ',xaxisrotation: ' + ro + ',clockwise: ' + sf + ',large: ' + lf + '});\n'
}
break
case 'A': // absolute elliptical arc
while (pts.length >= 7) {
let rx = parseFloat(pts.shift())
let ry = parseFloat(pts.shift())
let ro = 0 - parseFloat(pts.shift())
let lf = (pts.shift() === '1')
let sf = (pts.shift() === '1')
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendArc([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + '],{xradius: ' + svg2cagX(rx, svgUnitsPmm) + ',yradius: ' + svg2cagY(ry, svgUnitsPmm) + ',xaxisrotation: ' + ro + ',clockwise: ' + sf + ',large: ' + lf + '});\n'
}
break
case 'c': // relative cubic Bézier
while (pts.length >= 6) {
let x1 = cx + parseFloat(pts.shift())
let y1 = cy + parseFloat(pts.shift())
bx = cx + parseFloat(pts.shift())
by = cy + parseFloat(pts.shift())
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(x1, svgUnitsPmm) + ',' + svg2cagY(y1, svgUnitsPmm) + '],[' + svg2cagX(bx, svgUnitsPmm) + ',' + svg2cagY(by, svgUnitsPmm) + '],[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']]);\n'
let rf = reflect(bx, by, cx, cy)
bx = rf[0]
by = rf[1]
}
break
case 'C': // absolute cubic Bézier
while (pts.length >= 6) {
let x1 = parseFloat(pts.shift())
let y1 = parseFloat(pts.shift())
bx = parseFloat(pts.shift())
by = parseFloat(pts.shift())
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(x1, svgUnitsPmm) + ',' + svg2cagY(y1, svgUnitsPmm) + '],[' + svg2cagX(bx, svgUnitsPmm) + ',' + svg2cagY(by, svgUnitsPmm) + '],[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']]);\n'
let rf = reflect(bx, by, cx, cy)
bx = rf[0]
by = rf[1]
}
break
case 'q': // relative quadratic Bézier
while (pts.length >= 4) {
qx = cx + parseFloat(pts.shift())
qy = cy + parseFloat(pts.shift())
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']]);\n'
let rf = reflect(qx, qy, cx, cy)
qx = rf[0]
qy = rf[1]
}
break
case 'Q': // absolute quadratic Bézier
while (pts.length >= 4) {
qx = parseFloat(pts.shift())
qy = parseFloat(pts.shift())
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']]);\n'
let rf = reflect(qx, qy, cx, cy)
qx = rf[0]
qy = rf[1]
}
break
case 't': // relative quadratic Bézier shorthand
while (pts.length >= 2) {
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + cx + ',' + cy + ']]);\n'
let rf = reflect(qx, qy, cx, cy)
qx = rf[0]
qy = rf[1]
}
break
case 'T': // absolute quadratic Bézier shorthand
while (pts.length >= 2) {
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + svg2cagX(qx, svgUnitsPmm) + ',' + svg2cagY(qy, svgUnitsPmm) + '],[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']]);\n'
let rf = reflect(qx, qy, cx, cy)
qx = rf[0]
qy = rf[1]
}
break
case 's': // relative cubic Bézier shorthand
while (pts.length >= 4) {
let x1 = bx // reflection of 2nd control point from previous C
let y1 = by // reflection of 2nd control point from previous C
bx = cx + parseFloat(pts.shift())
by = cy + parseFloat(pts.shift())
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(x1, svgUnitsPmm) + ',' + svg2cagY(y1, svgUnitsPmm) + '],[' + svg2cagX(bx, svgUnitsPmm) + ',' + svg2cagY(by, svgUnitsPmm) + '],[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']]);\n'
let rf = reflect(bx, by, cx, cy)
bx = rf[0]
by = rf[1]
}
break
case 'S': // absolute cubic Bézier shorthand
while (pts.length >= 4) {
let x1 = bx // reflection of 2nd control point from previous C
let y1 = by // reflection of 2nd control point from previous C
bx = parseFloat(pts.shift())
by = parseFloat(pts.shift())
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendBezier([[' + svg2cagX(x1, svgUnitsPmm) + ',' + svg2cagY(y1, svgUnitsPmm) + '],[' + svg2cagX(bx, svgUnitsPmm) + ',' + svg2cagY(by, svgUnitsPmm) + '],[' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']]);\n'
let rf = reflect(bx, by, cx, cy)
bx = rf[0]
by = rf[1]
}
break
case 'h': // relative Horzontal line to
while (pts.length >= 1) {
cx = cx + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'H': // absolute Horzontal line to
while (pts.length >= 1) {
cx = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'l': // relative line to
while (pts.length >= 2) {
cx = cx + parseFloat(pts.shift())
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'L': // absolute line to
while (pts.length >= 2) {
cx = parseFloat(pts.shift())
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'v': // relative Vertical line to
while (pts.length >= 1) {
cy = cy + parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'V': // absolute Vertical line to
while (pts.length >= 1) {
cy = parseFloat(pts.shift())
tmpCode += indent + pathName + ' = ' + pathName + '.appendPoint([' + svg2cagX(cx, svgUnitsPmm) + ',' + svg2cagY(cy, svgUnitsPmm) + ']);\n'
}
break
case 'z': // close current line
case 'Z':
tmpCode += indent + pathName + ' = ' + pathName + '.close();\n'
tmpCode += indent + pathName + ' = ' + pathName + '.innerToCAG();\n'
tmpCode += indent + on + ' = ' + on + '.union(' + pathName + ');\n'
cx = sx
cy = sy // return to the starting point
pc = true
break
default:
console.log('Warning: Unknow PATH command [' + co.c + ']')
break
}
// console.log('postion: ['+cx+','+cy+'] after '+co.c);
}
if (pi > 0 && pc === false) {
tmpCode += indent + pathName + ' = ' + pathName + '.expandToCAG(' + r + ',CSG.defaultResolution2D);\n'
tmpCode += indent + on + ' = ' + on + '.union(' + pathName + ');\n'
}
return tmpCode
}
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