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Commit 9d3296cf authored by Neil Gershenfeld's avatar Neil Gershenfeld
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starting frep

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README.md
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# Todo
- frep
- cut, copy, paste
- three-axis rough and finish cuts
- Cross-Origin Resource Sharing (CORS)
......
files.html
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......@@ -53,6 +53,13 @@
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/event/pause'>pause</a><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;file</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/file/save'>save</a><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;frep</i><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;shapes</i><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2D</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/shapes/2D/rectangle%20corners'>rectangle corners</a><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3D</i><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;view</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/frep/view/slice'>slice</a><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;graph</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./modules/graph/bar'>bar</a><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;image</i><br>
......@@ -219,5 +226,4 @@
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./test/test.png'>test.png</a><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./test/transparent.png'>transparent.png</a><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./test/wide.png'>wide.png</a><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href='./three.min.js'>three.min.js</a><br>
modules/frep/shapes/2D/rectangle corners 0 → 100755
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//
// frep rectangle corners
//
// Neil Gershenfeld
// (c) Massachusetts Institute of Technology 2017
//
// This work may be reproduced, modified, distributed, performed, and
// displayed for any purpose, but must acknowledge the mods
// project. Copyright is retained and must be preserved. The work is
// provided as is; no warranty is provided, and users accept all
// liability.
//
// closure
//
(function(){
//
// module globals
//
var mod = {}
//
// name
//
var name = 'frep rectangle corners'
//
// initialization
//
var init = function() {
mod.xmin.value = '-1'
mod.ymin.value = '-1'
mod.xmax.value = '1'
mod.ymax.value = '1'
}
//
// inputs
//
var inputs = {
variables:{type:'',
event:function(evt){
mod.xmin.value = evt.detail.xmin
mod.xmax.value = evt.detail.xmax
mod.ymin.value = evt.detail.ymin
mod.ymax.value = evt.detail.ymax
outputs.variables.event()
outputs.shape.event()
}}}
//
// outputs
//
var outputs = {
shape:{type:'',
event:function(){
var xmin = parseFloat(mod.xmin.value)
var xmax = parseFloat(mod.xmax.value)
var ymin = parseFloat(mod.ymin.value)
var ymax = parseFloat(mod.ymax.value)
var str = `Math.min(X-(${xmin}),(${xmax})-X)`
var variables = ['X','Y']
var limits = [[xmin,xmax],[ymin,ymax]]
var type = 'Magnitude'
var shape = {string:str,variables:variables,limits:limits,type:type}
mods.output(mod,'shape',shape)}
},
variables:{type:'',
event:function(){
var xmin = parseFloat(mod.xmin.value)
var xmax = parseFloat(mod.xmax.value)
var ymin = parseFloat(mod.ymin.value)
var ymax = parseFloat(mod.ymax.value)
var vars = {xmin:xmin,ymin:ymin,xmax:xmax,ymax:ymax}
mods.output(mod,'variables',vars)}
}}
//
// interface
//
var interface = function(div){
mod.div = div
//
// xmin
//
div.appendChild(document.createTextNode('xmin: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
div.appendChild(input)
mod.xmin = input
div.appendChild(document.createElement('br'))
//
// ymin
//
div.appendChild(document.createTextNode('ymin: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
div.appendChild(input)
mod.ymin = input
div.appendChild(document.createElement('br'))
//
// xmax
//
div.appendChild(document.createTextNode('xmax: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
div.appendChild(input)
mod.xmax = input
div.appendChild(document.createElement('br'))
//
// ymax
//
div.appendChild(document.createTextNode('ymax: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
div.appendChild(input)
mod.ymax = input
div.appendChild(document.createElement('br'))
//
// output button
//
var btn = document.createElement('button')
btn.style.padding = mods.ui.padding
btn.style.margin = 1
btn.appendChild(document.createTextNode('output'))
btn.addEventListener('click',function(){
outputs.variables.event()
outputs.shape.event()
})
div.appendChild(btn)
}
//
// local functions
//
;
//
// return values
//
return ({
name:name,
init:init,
inputs:inputs,
outputs:outputs,
interface:interface
})
}())
modules/frep/view/slice 0 → 100755
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//
// frep view slice
//
// Neil Gershenfeld
// (c) Massachusetts Institute of Technology 2017
//
// This work may be reproduced, modified, distributed, performed, and
// displayed for any purpose, but must acknowledge the mods
// project. Copyright is retained and must be preserved. The work is
// provided as is; no warranty is provided, and users accept all
// liability.
//
// closure
//
(function(){
//
// module globals
//
var mod = {}
//
// name
//
var name = 'frep view slice'
//
// initialization
//
var init = function() {
mod.width.value = 1000
mod.z.value = 0
}
//
// inputs
//
var inputs = {
shape:{type:'frep',
event:function(evt){
view_slice(evt.detail)
}}}
//
// outputs
//
var outputs = {
image:{type:'RGBA',
event:function(){
mods.output(mod,'image',0)}
}}
//
// interface
//
var interface = function(div){
mod.div = div
//
// on-screen drawing canvas
//
var canvas = document.createElement('canvas')
canvas.width = mods.ui.canvas
canvas.height = mods.ui.canvas
canvas.style.backgroundColor = 'rgb(255,255,255)'
div.appendChild(canvas)
mod.canvas = canvas
div.appendChild(document.createElement('br'))
//
// off-screen image canvas
//
var canvas = document.createElement('canvas')
mod.img = canvas
//
// x
//
div.appendChild(document.createTextNode('x: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
input.addEventListener('input',function(){
mod.y.value = ''
mod.z.value = ''
})
div.appendChild(input)
mod.x = input
//
// y
//
div.appendChild(document.createTextNode(' y: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
input.addEventListener('input',function(){
mod.x.value = ''
mod.z.value = ''
})
div.appendChild(input)
mod.y = input
//
// z
//
div.appendChild(document.createTextNode(' z: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
input.addEventListener('input',function(){
mod.x.value = ''
mod.y.value = ''
})
div.appendChild(input)
mod.z = input
div.appendChild(document.createElement('br'))
//
// width
//
div.appendChild(document.createTextNode('width: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
input.addEventListener('input',function(){
mod.height.value = ''
})
div.appendChild(input)
mod.width = input
//
// height
//
div.appendChild(document.createTextNode(' height: '))
var input = document.createElement('input')
input.type = 'text'
input.size = 3
input.addEventListener('input',function(){
mod.width.value = ''
})
div.appendChild(input)
mod.height = input
div.appendChild(document.createElement('br'))
//
// view button
//
var btn = document.createElement('button')
btn.style.padding = mods.ui.padding
btn.style.margin = 1
btn.appendChild(document.createTextNode('view'))
btn.addEventListener('click',function(){
mod.win = window.open('')
mod.win.document.body.style.overflow = 'hidden'
mod.win.document.body.style.border = 0
mod.win.document.body.style.padding = 0
mod.win.document.body.style.margin = 0
mod.win.addEventListener('unload',function() {
mod.win = null
})
var canvas = document.createElement('canvas')
canvas.width = mod.img.width
canvas.height = mod.img.height
canvas.setAttribute('id',mod.div.id+'canvas')
mod.win.document.body.appendChild(canvas)
var ctx = canvas.getContext("2d")
ctx.drawImage(mod.img,0,0)
})
div.appendChild(btn)
}
//
// local functions
//
//
// view_slice
//
function view_slice(shape) {
var str = shape.string
var vars = shape.variables
var limits = shape.limits
var type = shape.type
var x = parseFloat(mod.x.value)
var y = parseFloat(mod.y.value)
var z = parseFloat(mod.z.value)
var w = parseInt(mod.width.value)
var h = parseInt(mod.height.value)
if (vars.length == 2) {
var xvar = vars[0]
var xlimits = limits[0]
var yvar = vars[1]
var ylimits = limits[1]
var zvar = 0
}
else if (!isNAN(x)) {
var xvar = vars[1]
var xlimits = limits[1]
var yvar = vars[2]
var ylimits = limits[2]
var zvar = x
}
else if (!isNAN(y)) {
var xvar = vars[0]
var xlimits = limits[0]
var yvar = vars[2]
var ylimits = limits[2]
var zvar = y
}
else if (!isNAN(z)) {
var xvar = vars[0]
var xlimits = limits[0]
var yvar = vars[1]
var ylimits = limits[1]
var zvar = z
}
if (!isNaN(w))
h = Math.floor(w*(ylimits[1]-ylimits[0])/(xlimits[1]-xlimits[0]))
else
w = Math.floor(h*(xlimits[1]-xlimits[0])/(ylimits[1]-ylimits[0]))
}
// image_function
//
function image_function() {
var blob = new Blob(['('+worker.toString()+'())'])
var url = window.URL.createObjectURL(blob)
var webworker = new Worker(url)
webworker.addEventListener('message',function(evt) {
window.URL.revokeObjectURL(url)
var h = mod.img.height
var w = mod.img.width
var buf = new Uint8ClampedArray(evt.data.buffer)
var imgdata = new ImageData(buf,w,h)
var ctx = mod.img.getContext("2d")
ctx.putImageData(imgdata,0,0)
if (w > h) {
var x0 = 0
var y0 = mod.canvas.height*.5*(1-h/w)
var wd = mod.canvas.width
var hd = mod.canvas.width*h/w
}
else {
var x0 = mod.canvas.width*.5*(1-w/h)
var y0 = 0
var wd = mod.canvas.height*w/h
var hd = mod.canvas.height
}
var ctx = mod.canvas.getContext("2d")
ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)
ctx.drawImage(mod.img,x0,y0,wd,hd)
if (mod.win != null) {
var canvas = mod.win.document.getElementById(mod.div.id+'canvas')
canvas.width = mod.img.width
canvas.height = mod.img.height
var ctx = canvas.getContext("2d")
ctx.clearRect(0,0,mod.img.width,mod.img.height)
ctx.drawImage(mod.img,0,0)
}
webworker.terminate()
outputs.image.event()
})
var ctx = mod.canvas.getContext("2d")
ctx.clearRect(0,0,mod.canvas.width,mod.canvas.height)
var ctx = mod.img.getContext("2d")
ctx.clearRect(0,0,mod.img.width,mod.img.height)
var img = ctx.getImageData(0,0,mod.img.width,mod.img.height)
webworker.postMessage({
height:img.height,width:img.width,
args:mod.input.arguments,func:mod.input.function,
buffer:img.data.buffer},
[img.data.buffer])
}
//
// worker
//
function image_worker() {
self.addEventListener('message',function(evt) {
var h = evt.data.height
var w = evt.data.width
var m = 255
var f = new Function(evt.data.args,evt.data.func)
var buf = new Uint8ClampedArray(evt.data.buffer)
var r,g,b,a,i
for (var row = 0; row < h; ++row) {
for (var col = 0; col < w; ++col) {
buf[(h-1-row)*w*4+col*4+0] = f(col,row,w,h,m)[0]
buf[(h-1-row)*w*4+col*4+1] = f(col,row,w,h,m)[1]
buf[(h-1-row)*w*4+col*4+2] = f(col,row,w,h,m)[2]
buf[(h-1-row)*w*4+col*4+3] = f(col,row,w,h,m)[3]
}
}
self.postMessage({buffer:buf.buffer},[buf.buffer])
})
}
//
// return values
//
return ({
name:name,
init:init,
inputs:inputs,
outputs:outputs,
interface:interface
})
}())
modules/index.html
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......@@ -36,6 +36,13 @@
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:handler('modules/event/pause')">pause</a><br>
<i>file</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:handler('modules/file/save')">save</a><br>
<i>frep</i><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;shapes</i><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2D</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:handler('modules/frep/shapes/2D/rectangle%20corners')">rectangle corners</a><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;3D</i><br>
<i>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;view</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:handler('modules/frep/view/slice')">slice</a><br>
<i>graph</i><br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<a href="javascript:handler('modules/graph/bar')">bar</a><br>
<i>image</i><br>
......
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