first commit: generating log, svg, pcb, kicad is done. changing unit is WiP

This commit is contained in:
King Kévin 2015-08-28 11:34:49 +02:00
commit 224e4d61a6
6 changed files with 686 additions and 0 deletions

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cvlp_format.txt Normal file
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// CuVoodoo Land Pattern files (.cvlp) define the land pattern (aka. footprint) of electronic components (used in printed circuit boards)
// it is intended to be used in web applications, thus it uses the JSON file format
// it can then be rendered to various other formats, such as SVG, Gerber-X, gEDA pcb, KiCAD, or eagleCAD
{
// name of the land pattern (for the electronic component)
"name": "CuVoodoo Land Pattern template",
// name of the author
"author": "King Kevin",
// version of the file
"version": 0,
// date of creation (RFC 3339 seconds format)
"date": "2015-04-11 13:58:46+02:00",
// unit of dimensions
"unit": "mm",
// the parts of the land pattern
"elements" : [
{
"type": "line", // a line (on silk screen layer)
"x1": 0, // start horizontal position of line
"y1": 0, // start vertical position of line
"x2": 100, // end horizontal position of line
"y2": 100, // end vertical position of the line
"thickness": 10, // thickness of line
"round": true, // round or square edges to start/stop of line (adds thickness/2 to line)
},
{
"type": "arc", // a circle arc (on silk screen layer)
"x": 50, // center horizontal position of circle
"y": 50, // center vertical position of circle
"radius": 20, // radius of circle
"start": 0, // start point of arc (0=east, 90=south, 180=west, 270=north)
"angle": 0, // angle of clockwise arc (can be negative)
"thickness": 10, // thickness of trace
"round": true, // round or square edges to start/stop of line (adds thickness/2 to arc)
},
{
"type": "pad" // a pad (on copper layer)
"number": 0, // pad name/number
"x1": 0, // start position of pad
"y1": 0, // start position of pad
"x2": 100, // end position of pad
"y2": 100, // end position of pad
"thickness": 10, // thickness of copper pad
"clearance": 5, // clearance of pad (added to each side of copper)
"soldermask": 11, // thickness of solder mask opening (generally >= copper thickness)
"round": true, // round or square edges to start/stop of pad (adds thickness/2 to pad)
},
{
"type": "pin" // a pin with a drill hole (on copper layer)
"number": 0; // pin name/number
"x": 50, // center horizontal position of pin
"y": 50, // center vertical position of pin
"thickness": 30, // diameter/width of copper pin (>= drill diameter/width)
"drill": 20, // diameter/width of drill
"clearance": 5, // clearance of pad (added to each side of copper)
"soldermask": 35, // thickness of solder mask opening (generally >= copper thickness)
"round": true, // shape of pin: round or square
}
]
}

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cvlp_lib.js Normal file
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// library for creating CuVoodoo Land Pattern (cvlp) JSON files and render them
// create a set of elements with an line element
function cvlp_line(x1, y1, x2, y2, thickness, round=true) {
var line = {}
line.type = "line"
line.x1 = x1
line.y1 = y1
line.x2 = x2
line.y2 = y2
line.thickness = thickness
line.round = round
return [line]
}
// create a set of elements with an arc element
// arc goes angle degrees clockwise from start
function cvlp_arc(x, y, radius, start, angle, thickness, round=true) {
var arc = {}
arc.type = "arc"
arc.x = x
arc.y = y
arc.radius = radius
arc.start = start
arc.angle = angle
arc.thickness = thickness
arc.round = round
return [arc]
}
// create a set of elements with an pad element
function cvlp_pad(number, x1, y1, x2, y2, thickness, clearance, soldermask, round=true) {
var pad = {}
pad.type = "pad"
pad.number = number
pad.x1 = x1
pad.y1 = y1
pad.x2 = x2
pad.y2 = y2
pad.thickness = thickness
pad.clearance = clearance
pad.soldermask = soldermask
pad.round = round
return [pad]
}
// create a set of elements with an pin element
function cvlp_pin(number, x, y, thickness, drill, clearance, soldermask, round=true) {
var pin = {}
pin.type = "pin"
pin.number = number
pin.x = x
pin.y = y
pin.thickness = thickness
pin.drill = drill
pin.clearance = clearance
pin.soldermask = soldermask
pin.round = round
return [pin]
}
// create a set of elements representing a chain of lines
// provide a list of [x,y] coordinates
function cvlp_polyline(points, thickness, closed=false) {
var polyline = []
for (var i=0; i<points.length-1; i++) {
polyline = polyline.concat(cvlp_line(points[i][0], points[i][1], points[i+1][0], points[i+1][1], thickness))
}
if (closed) {
if (points[0][0]!=points[points.length-1][0] && points[0][1]!=points[points.length-1][1]) {
polyline = polyline.concat(cvlp_line(points[points.length-1][0], points[points.length-1][1], points[0][0], points[0][1], thickness))
}
}
return polyline
}
// create a set of elements representing a rectangle
// provide top corner, size, an radius of corner
function cvlp_rectangle(x, y, width, height, thickness, radius=0, round=true) {
var rectangle = []
rectangle = rectangle.concat(cvlp_line(x+radius, y, x+width-radius, y, thickness, round))
rectangle = rectangle.concat(cvlp_line(x+width, y+radius, x+width, y+height-radius, thickness, round))
rectangle = rectangle.concat(cvlp_line(x+width-radius, y+height, x+radius, y+height, thickness, round))
rectangle = rectangle.concat(cvlp_line(x, y+height-radius, x, y+radius, thickness, round))
if (radius!=0) {
rectangle = rectangle.concat(cvlp_arc(x+radius, y+radius, radius, 180, 90, thickness, round))
rectangle = rectangle.concat(cvlp_arc(x+width-radius, y+radius, radius, 270, 90, thickness, round))
rectangle = rectangle.concat(cvlp_arc(x+width-radius, y+width-radius, radius, 0, 90, thickness, round))
rectangle = rectangle.concat(cvlp_arc(x+radius, y+width-radius, radius, 90, 90, thickness, round))
}
return rectangle
}
// convert value from one unit to another
// units allowed: mm, in, mil
// returns converted value, on null if unknown unit
function convert_unit(value, from, to)
{
// don't convert if the unit is the same (avoid calculation imprecisions)
if (from==to) {
return value;
}
// convert to µm
var mum = 0;
switch (from) {
case 'mm':
mum = value*1000;
break;
case 'in':
mum = value*1000*25.40;
break;
case 'mil':
mum = value*25.40;
break;
default:
return null;
}
switch (to) {
case 'mm':
mum = mum/1000;
break;
case 'in':
mum = mum/1000/25.40;
break;
case 'mil':
mum = mum/25.40;
break;
default:
return null;
}
return fixed(mum);
}
// convert JSON to SVG
function json2svg(json) {
// create svg
var svgNS = "http://www.w3.org/2000/svg"
svg = document.createElementNS(svgNS,'svg')
svg.setAttribute('xmlns',svgNS)
svg.setAttribute('version',1.1)
svg.setAttribute('xmlns:inkscape','http://www.inkscape.org/namespaces/inkscape')
// add info
svg.setAttribute('height',json.height)
svg.setAttribute('width',json.width)
var svg_title = document.createElementNS(svgNS,'title');
svg_title.textContent = json.name;
svg.appendChild(svg_title);
// add copper and silkscreen layers
layers_desc = [ { name: 'copper', stroke: 'black', fill: 'black', display: 'inline'},
{ name: 'drill', stroke: 'none', fill: 'white', display: 'inline'},
{ name: 'clearance', stroke: 'red', fill: 'none', display: 'none'},
{ name: 'soldermask', stroke: 'green', fill: 'none', display: 'none'},
{ name: 'silkscreen', stroke: 'gray', fill: 'none', display: 'inline'}
]
layers = []
for (var layer_i in layers_desc) {
var layer_desc = layers_desc[layer_i]
var layer = document.createElementNS(svgNS,'g')
layer.setAttribute('name',layer_desc.name)
layer.setAttribute('inkscape:groupmode','layer')
layer.setAttribute('inkscape:label',layer_desc.name)
layer.setAttribute('display',layer_desc.display)
layer.style.setProperty('stroke',layer_desc.stroke)
layer.style.setProperty('fill',layer_desc.fill)
svg.appendChild(layer)
layers[layer_desc.name] = layer
}
for (var element_i in json.elements) {
var element = json.elements[element_i]
switch (element.type) {
case 'line':
var line = document.createElementNS(svgNS,'line')
line.style.setProperty('stroke-width',element.thickness)
if (element.round) {
line.style.setProperty('stroke-linecap','round')
} else {
line.style.setProperty('stroke-linecap','square')
}
line.setAttribute('x1',element.x1)
line.setAttribute('y1',element.y1)
line.setAttribute('x2',element.x2)
line.setAttribute('y2',element.y2)
layers['silkscreen'].appendChild(line)
break
case 'arc':
element.start = element.start % 360
element.stop = element.stop % 360
var arc = null
if (element.start==element.stop) {
arc = document.createElementNS(svgNS,'circle')
arc.setAttribute('cx',element.x)
arc.setAttribute('cy',element.y)
arc.setAttribute('r',element.radius)
} else {
arc = document.createElementNS(svgNS,'path')
arc.setAttribute('d',"M "+(element.x+element.radius*Math.cos(((-1*element.start)%360)/360.0*Math.PI*2))+" "+(element.y-element.radius*Math.sin(((-1*element.start)%360)/360.0*Math.PI*2))+" A "+element.radius+" "+element.radius+" 0 "+((element.angle)%360>180 ? "1" : "0")+" 1 "+(element.x+element.radius*Math.cos(((-1*(element.start+element.angle))%360)/360.0*Math.PI*2))+" "+(element.y-element.radius*Math.sin(((-1*(element.start+element.angle))%360)/360.0*Math.PI*2))+" ")
}
arc.style.setProperty('stroke-width',element.thickness)
if (element.round) {
arc.style.setProperty('stroke-linecap','round')
} else {
arc.style.setProperty('stroke-linecap','square')
}
layers['silkscreen'].appendChild(arc)
break
case 'pad':
var copper = document.createElementNS(svgNS,'line')
copper.style.setProperty('stroke-width',element.thickness)
if (element.round) {
copper.style.setProperty('stroke-linecap','round')
} else {
copper.style.setProperty('stroke-linecap','square')
}
copper.setAttribute('x1',element.x1)
copper.setAttribute('y1',element.y1)
copper.setAttribute('x2',element.x2)
copper.setAttribute('y2',element.y2)
layers['copper'].appendChild(copper)
var clearance = document.createElementNS(svgNS,'line')
clearance.style.setProperty('stroke-width',element.thickness+2*element.clearance)
if (element.round) {
clearance.style.setProperty('stroke-linecap','round')
} else {
clearance.style.setProperty('stroke-linecap','square')
}
clearance.setAttribute('x1',element.x1)
clearance.setAttribute('y1',element.y1)
clearance.setAttribute('x2',element.x2)
clearance.setAttribute('y2',element.y2)
layers['clearance'].appendChild(clearance)
var soldermask = document.createElementNS(svgNS,'line')
soldermask.style.setProperty('stroke-width',element.soldermask)
if (element.round) {
soldermask.style.setProperty('stroke-linecap','round')
} else {
soldermask.style.setProperty('stroke-linecap','square')
}
soldermask.setAttribute('x1',element.x1)
soldermask.setAttribute('y1',element.y1)
soldermask.setAttribute('x2',element.x2)
soldermask.setAttribute('y2',element.y2)
layers['soldermask'].appendChild(soldermask)
break
case 'pin':
var copper = document.createElementNS(svgNS,'rect')
copper.style.setProperty('stroke-width',0)
copper.setAttribute('x',element.x-element.thickness/2)
copper.setAttribute('y',element.y-element.thickness/2)
copper.setAttribute('height',element.thickness)
copper.setAttribute('width',element.thickness)
if (element.round) {
copper.setAttribute('rx',element.thickness/2)
copper.setAttribute('ry',element.thickness/2)
} else {
copper.setAttribute('rx',0)
copper.setAttribute('ry',0)
}
layers['copper'].appendChild(copper)
var drill = document.createElementNS(svgNS,'rect')
drill.style.setProperty('stroke-width',0)
drill.setAttribute('x',element.x-element.drill/2)
drill.setAttribute('y',element.y-element.drill/2)
drill.setAttribute('height',element.drill)
drill.setAttribute('width',element.drill)
if (element.round) {
drill.setAttribute('rx',element.drill/2)
drill.setAttribute('ry',element.drill/2)
} else {
drill.setAttribute('rx',0)
drill.setAttribute('ry',0)
}
layers['drill'].appendChild(drill)
var clearance = document.createElementNS(svgNS,'rect')
clearance.style.setProperty('stroke-width',0)
clearance.setAttribute('x',element.x-element.thickness/2-element.clearance)
clearance.setAttribute('y',element.y-element.thickness/2-element.clearance)
clearance.setAttribute('height',element.thickness+element.clearance*2)
clearance.setAttribute('width',element.thickness+element.clearance*2)
if (element.round) {
clearance.setAttribute('rx',element.thickness/2+element.clearance)
clearance.setAttribute('ry',element.thickness/2+element.clearance)
} else {
clearance.setAttribute('rx',0)
clearance.setAttribute('ry',0)
}
layers['clearance'].appendChild(clearance)
var soldermask = document.createElementNS(svgNS,'rect')
soldermask.style.setProperty('stroke-width',0)
soldermask.setAttribute('x',element.x-element.soldermask/2)
soldermask.setAttribute('y',element.y-element.soldermask/2)
soldermask.setAttribute('height',element.soldermask)
soldermask.setAttribute('width',element.soldermask)
if (element.round) {
soldermask.setAttribute('rx',element.soldermask/2)
soldermask.setAttribute('ry',element.soldermask/2)
} else {
soldermask.setAttribute('rx',0)
soldermask.setAttribute('ry',0)
}
layers['soldermask'].appendChild(soldermask)
break
default:
console.log("unknown element type: "+element.type)
}
}
return svg
}
// convert CuVoodoo Land Pattern JSON to gEDA pcb footprint
function json2pcb(json) {
// create file and add info
var pcb = ''
pcb += '# footprint generated from CuVoodoo Land Pattern\n'
pcb += '# author: '+json.author+'\n'
pcb += '# version: '+json.version+'\n'
pcb += '# date: '+json.date+'\n'
pcb += 'Element["" "'+json.name+'" "" "" 0 0 0 0 0 100 ""]\n'
pcb += '(\n'
// add element parts
for (var element_i in json.elements) {
var element = json.elements[element_i]
switch (element.type) {
case 'line':
pcb += 'ElementLine['+element.x1+''+json.unit+' '+element.y1+''+json.unit+' '+element.x2+''+json.unit+' '+element.y2+''+json.unit+' '+element.thickness+''+json.unit+']\n'
break
case 'arc':
pcb += 'ElementArc['+element.x+''+json.unit+' '+element.y+''+json.unit+' '+element.radius+''+json.unit+' '+element.radius+''+json.unit+' '+((((180-element.start)%360)+360)%360)+' '+(-1*(element.angle))+' '+element.thickness+''+json.unit+']\n'
break
case 'pad':
pcb += 'Pad['+element.x1+''+json.unit+' '+element.y1+''+json.unit+' '+element.x2+''+json.unit+' '+element.y2+''+json.unit+' '+element.thickness+''+json.unit+' '+element.clearance*2+''+json.unit+' '+element.soldermask+''+json.unit+' "" "'+element.number+'" "'
if (!element.round) {
pcb += 'square'
}
pcb += '"]\n'
break
case 'pin':
pcb += 'Pin['+element.x+''+json.unit+' '+element.y+''+json.unit+' '+element.thickness+''+json.unit+' '+element.clearance*2+''+json.unit+' '+element.soldermask+''+json.unit+' '+element.drill+''+json.unit+' "" "'+element.number+'" "'
if (!element.round) {
pcb += 'square'
}
pcb += '"]\n'
break
default:
console.log("unknown element type: "+element.type)
}
}
pcb += ')\n'
return pcb
}
// convert CuVoodoo Land Pattern JSON to KiCad s-expression footprint module/file
function json2kicad(json) {
if (json.unit!='mm') {
console.log('KiCad export only supports units in mm')
return ''
}
// create file and add info
var kicad = ''
kicad += '# footprint generated from CuVoodoo Land Pattern\n'
kicad += '# author: '+json.author+'\n'
kicad += '# version: '+json.version+'\n'
kicad += '# date: '+json.date+'\n'
kicad += '(module "'+json.name+'" (layer F.Cu)\n'
// add element parts
for (var element_i in json.elements) {
var element = json.elements[element_i]
switch (element.type) {
case 'line':
kicad += '(fp_line (start '+element.x1+' '+element.y1+') (end '+element.x2+' '+element.y2+') (layer F.SilkS) (width '+element.thickness+'))\n'
break
case 'arc':
kicad += '(fp_arc (start '+element.x+' '+element.y+') (end '+(element.x+element.radius*Math.cos(((-1*element.start)%360)/360.0*Math.PI*2))+' '+(element.y-element.radius*Math.sin(((-1*element.start)%360)/360.0*Math.PI*2))+') (angle '+element.angle+') (layer F.SilkS) (width '+element.thickness+'))\n'
break
case 'pad':
var x = (element.x1+element.x2)/2
var y = (element.y1+element.y2)/2
var length = Math.sqrt(Math.pow(element.x2-element.x1,2)+Math.pow(element.y2-element.y1,2))
var angle = Math.atan2(element.y2-element.y1,element.x2-element.x1)*180/Math.PI;
kicad += '(pad "'+element.number+'" smd '
if (element.round) {
kicad += 'oval'
} else {
kicad += 'rect'
}
kicad += ' (at '+x+' '+y+' '+angle+')'
kicad += ' (size '+length+' '+element.thickness+')'
kicad += ' (layers F.Cu F.Paste F.Mask)'
kicad += ' (clearance '+element.clearance+')'
kicad += ' (solder_mask_margin '+(element.thickness/2*-1+element.soldermask)+')'
kicad += ')\n'
break
case 'pin':
break
default:
console.log("unknown element type: "+element.type)
}
}
kicad += ')\n'
return kicad
}

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<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>open source hardware logo customisation</title>
<script type="text/javascript" src="cvlp_lib.js"></script>
<script type="text/javascript" src="lib/FileSaver.min.js"></script>
<script type="text/javascript" src="lib/jszip.min.js"></script>
</head>
<body onload="draw()">
<script type="text/javascript">
// the OSHW logo
var logo = {
"name": "open source hardware logo",
"author": "King Kevin",
"version": 0,
"date": "2015-04-11 13:58:46+02:00",
"unit": "mm",
"elements": []
}
// draw logo
function draw() {
// get values
var pad_size = parseInt(pad_size_range.value,10)
var pad_thickness = parseInt(pad_thickness_range.value,10)
var pad_spacing = parseInt(pad_spacing_range.value,10)
var pad_chip_spacing = parseInt(pad_chip_spacing_range.value,10)
var chip_thickness = parseInt(chip_thickness_range.value,10)
var text_thickness = parseInt(text_thickness_range.value,10)
// display values
pad_size_text.innerHTML = pad_size
pad_thickness_text.innerHTML = pad_thickness
pad_spacing_text.innerHTML = pad_spacing
pad_chip_spacing_text.innerHTML = pad_chip_spacing
chip_thickness_text.innerHTML = chip_thickness
text_thickness_text.innerHTML = text_thickness
// set values in logo
var size = pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2+pad_size+pad_thickness
logo.width = size
logo.height = size
// clear elements
logo.elements = []
// draw pads
for (var i=0; i<6; i++) {
if (document.getElementById("pad_layer_copper").checked) {
var west = cvlp_pad(i+1, 0+pad_thickness, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness, pad_thickness*0.1, 0)
logo.elements = logo.elements.concat(west)
var north = cvlp_pad(24-i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size, pad_thickness, pad_thickness*0.1, 0)
logo.elements = logo.elements.concat(north)
var east = cvlp_pad(18-i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2+pad_size, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness, pad_thickness*0.1, 0)
logo.elements = logo.elements.concat(east)
var south = cvlp_pad(i+7, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2+pad_size, pad_thickness, pad_thickness*0.1, 0)
logo.elements = logo.elements.concat(south)
} else {
var west = cvlp_line(0+pad_thickness, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness)
logo.elements = logo.elements.concat(west)
var north = cvlp_line(pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size, pad_thickness)
logo.elements = logo.elements.concat(north)
var east = cvlp_line(pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2+pad_size, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness)
logo.elements = logo.elements.concat(east)
var south = cvlp_line(pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*i, pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5+pad_chip_spacing*2+pad_size, pad_thickness)
logo.elements = logo.elements.concat(south)
}
}
// draw chip outline
var chip = cvlp_rectangle(pad_thickness+pad_size+pad_chip_spacing, pad_thickness+pad_size+pad_chip_spacing, pad_chip_spacing*2+pad_spacing*5, pad_chip_spacing*2+pad_spacing*5, chip_thickness, pad_chip_spacing)
logo.elements = logo.elements.concat(chip)
// draw O letter
var x = pad_thickness+pad_size+pad_chip_spacing*2
var y = pad_thickness+pad_size+pad_chip_spacing*2
var text = cvlp_polyline([[x,y],
[x+=pad_spacing*2,y],
[x,y+=pad_spacing*2],
[x+=pad_spacing*-2,y],
[x,y+=pad_spacing*-2]],text_thickness)
logo.elements = logo.elements.concat(text)
// draw S letter
var x = pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*5
var y = pad_thickness+pad_size+pad_chip_spacing*2
var text = cvlp_polyline([[x,y],
[x+=pad_spacing*-2,y],
[x,y+=pad_spacing],
[x+=pad_spacing*2,y],
[x,y+=pad_spacing],
[x+=pad_spacing*-2,y]],text_thickness)
logo.elements = logo.elements.concat(text)
// draw H letter
var x = pad_thickness+pad_size+pad_chip_spacing*2
var y = pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*3
var text = cvlp_line(x, y, x, y+pad_spacing*2, text_thickness)
logo.elements = logo.elements.concat(text)
var text = cvlp_line(x, y+pad_spacing, x+pad_spacing*2, y+pad_spacing, text_thickness)
logo.elements = logo.elements.concat(text)
var text = cvlp_line(x+pad_spacing*2, y, x+pad_spacing*2, y+pad_spacing*2, text_thickness)
logo.elements = logo.elements.concat(text)
// draw W letter
var x = pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*3
var y = pad_thickness+pad_size+pad_chip_spacing*2+pad_spacing*3
var text = cvlp_polyline([[x,y],
[x,y+=pad_spacing*2],
[x+=pad_spacing,y+=pad_spacing*-1],
[x+=pad_spacing,y+=pad_spacing],
[x,y+=pad_spacing*-2]],text_thickness)
logo.elements = logo.elements.concat(text)
var svg = json2svg(logo)
var div = document.getElementById('svg')
div.textContent = ""
div.appendChild(svg)
}
function download() {
var select = document.getElementById("filetype")
var filetype = select.options[select.selectedIndex].value
switch (filetype) {
case 'json':
var blob = new Blob([JSON.stringify(logo, null, '\t')], {type: "application/json"})
saveAs(blob, "oshw_logo.json")
break
case 'svg':
var blob = new Blob([new XMLSerializer().serializeToString(json2svg(logo))], {type: "image/svg+xml"})
saveAs(blob, "oshw_logo.svg")
break
case 'pcb':
var blob = new Blob([json2pcb(logo)], {type: "application/x-pcb-footprint"})
saveAs(blob, "oshw_logo.fp")
break
case 'kicad':
var blob = new Blob([json2kicad(logo)], {type: "application/x-kicad-pcb"})
saveAs(blob, "oshw_logo.kicad_mod")
break
case 'zip':
var zip = new JSZip()
zip.file("oshw_logo.json", JSON.stringify(logo, null, '\t'))
zip.file("oshw_logo.svg", new XMLSerializer().serializeToString(json2svg(logo)))
zip.file("oshw_logo.fp", json2pcb(logo))
var file = zip.generate({type:"blob"})
saveAs(file, "oshw_logo.zip")
break
default:
console.log("unknown file type: "+filetype)
}
}
function change_unit() {
var select = document.getElementById("unit")
var unit = select.options[select.selectedIndex].value
if (logo.unit==unit) {
return
}
// get values
var pad_size = parseInt(pad_size_range.value,10)
var pad_thickness = parseInt(pad_thickness_range.value,10)
var pad_spacing = parseInt(pad_spacing_range.value,10)
var pad_chip_spacing = parseInt(pad_chip_spacing_range.value,10)
var chip_thickness = parseInt(chip_thickness_range.value,10)
var text_thickness = parseInt(text_thickness_range.value,10)
// display values
pad_size_text.innerHTML = pad_size
pad_thickness_text.innerHTML = pad_thickness
pad_spacing_text.innerHTML = pad_spacing
pad_chip_spacing_text.innerHTML = pad_chip_spacing
chip_thickness_text.innerHTML = chip_thickness
text_thickness_text.innerHTML = text_thickness
}
</script>
<div id="svg"></div>
<p id="control">
<form onchange="draw()">
pads on:
<input type="radio" name="pad_layer" id="pad_layer_copper" value="copper" checked="true">copper
<input type="radio" name="pad_layer" id="pad_layer_silkscreen" value="silkscreen">silkscreen
</form>
unit: <select id="unit" onchange="change_unit()">
<option value="mm">millimeter (mm)</option>
<option value="in">inch (in)</option>
<option value="mil">mil/thou (mil)</option>
</select><br />
pad size: <input id="pad_size_range" type="range" min="0" max="100" value="30" step="5" onchange="draw()" /> <span id="pad_size_text"></span><br />
pad thickness: <input id="pad_thickness_range" type="range" min="1" max="20" value="15" step="1" onchange="draw()" /> <span id="pad_thickness_text"></span><br />
pad spacing: <input id="pad_spacing_range" type="range" min="0" max="100" value="20" step="5" onchange="draw()" /> <span id="pad_spacing_text"></span><br />
pad-chip spacing: <input id="pad_chip_spacing_range" type="range" min="0" max="100" value="15" step="5" onchange="draw()" /> <span id="pad_chip_spacing_text"></span><br />
chip thickness: <input id="chip_thickness_range" type="range" min="1" max="20" value="10" step="1" onchange="draw()" /> <span id="chip_thickness_text"></span><br />
text thickness: <input id="text_thickness_range" type="range" min="1" max="20" value="10" step="1" onchange="draw()" /> <span id="text_thickness_text"></span><br />
<button type="button" onclick="download()">save</button>: <select id="filetype">
<option value="json">CuVoodoo Land Pattern (.json)</option>
<option value="svg">Scalable Vector Graphics (.svg)</option>
<option value="pcb">gEDA pcb footprint (.fp)</option>
<option value="kicad">KiCad s-expr. footprint (.kicad_mod)</option>
<option value="zip">all (zip)</option>
</select><br />
</p>
</body>
</html>

10
txt2json.sh Executable file
View File

@ -0,0 +1,10 @@
#!/usr/bin/env sh
cp cv_json_format.txt cv_json_format.json
# remove comments
sed -i 's://.*$::g' cv_json_format.json
# remove trailing spaces
sed -i 's/\s*$//g' cv_json_format.json
# remove lines with whitespace
sed -i '/^$/d' cv_json_format.json
# verify json
cat cv_json_format.json | json_verify