1,585 index.html
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57 links/main.css
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13 links/theme.css
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body { background:var(--background) !important; }
#picker { background-color:var(--b_inv) !important; color:var(--f_inv) !important; }
#picker:before { color:var(--f_med) !important; }
#picker input::placeholder { color:var(--f_med) !important; }
.fh { color:var(--f_high) !important; stroke:var(--f_high) !important; }
.fm { color:var(--f_med) !important; stroke:var(--f_med) !important; }
.fl { color:var(--f_low) !important; stroke:var(--f_low) !important; }
.f_inv { color:var(--f_inv) !important; stroke:var(--f_inv) !important; }
.bh { background:var(--b_high) !important; }
.bm { background:var(--b_med) !important; }
.bl { background:var(--b_low) !important; }
.b_inv { background:var(--b_inv) !important; }
.icon { color:var(--f_high) !important; stroke:var(--f_high) !important; }
11 push.sh
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#!/bin/bash

rm -r 'release'
mkdir 'release'
cp 'index.html' 'release/index.html'
cp 'README.txt' 'release/README.txt'
~/Applications/butler push ~/Repositories/Hundredrabbits/Dotgrid/release hundredrabbits/dotgrid:osx-64
~/Applications/butler push ~/Repositories/Hundredrabbits/Dotgrid/release hundredrabbits/dotgrid:linux-64
~/Applications/butler push ~/Repositories/Hundredrabbits/Dotgrid/release hundredrabbits/dotgrid:windows-64
~/Applications/butler status hundredrabbits/dotgrid
rm -r 'release'
266 scripts/client.js
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'use strict'

/* global Acels */
/* global Theme */
/* global Source */
/* global History */

/* global Manager */
/* global Renderer */
/* global Tool */
/* global Interface */
/* global Picker */
/* global Cursor */

/* global FileReader */

function Client () {
this.install = function (host) {
console.info('Client', 'Installing..')

this.acels = new Acels(this)
this.theme = new Theme(this)
this.history = new History(this)
this.source = new Source(this)

this.manager = new Manager(this)
this.renderer = new Renderer(this)
this.tool = new Tool(this)
this.interface = new Interface(this)
this.picker = new Picker(this)
this.cursor = new Cursor(this)

host.appendChild(this.renderer.el)

document.addEventListener('mousedown', (e) => { this.cursor.down(e) }, false)
document.addEventListener('mousemove', (e) => { this.cursor.move(e) }, false)
document.addEventListener('contextmenu', (e) => { this.cursor.alt(e) }, false)
document.addEventListener('mouseup', (e) => { this.cursor.up(e) }, false)
document.addEventListener('copy', (e) => { this.copy(e) }, false)
document.addEventListener('cut', (e) => { this.cut(e) }, false)
document.addEventListener('paste', (e) => { this.paste(e) }, false)
window.addEventListener('resize', (e) => { this.onResize() }, false)
window.addEventListener('dragover', (e) => { e.stopPropagation(); e.preventDefault(); e.dataTransfer.dropEffect = 'copy' })
window.addEventListener('drop', this.onDrop)

this.acels.set('File', 'New', 'CmdOrCtrl+N', () => { this.source.new() })
this.acels.set('File', 'Open', 'CmdOrCtrl+O', () => { this.source.open('grid', this.whenOpen) })
this.acels.set('File', 'Save', 'CmdOrCtrl+S', () => { this.source.write('dotgrid', 'grid', this.tool.export(), 'text/plain') })
this.acels.set('File', 'Export Vector', 'CmdOrCtrl+E', () => { this.source.write('dotgrid', 'svg', this.manager.toString(), 'image/svg+xml') })
this.acels.set('File', 'Export Image', 'CmdOrCtrl+Shift+E', () => { this.manager.toPNG(this.tool.settings.size, (dataUrl) => { this.source.write('dotgrid', 'png', dataUrl, 'image/png') }) })
this.acels.set('History', 'Undo', 'CmdOrCtrl+Z', () => { this.tool.undo() })
this.acels.set('History', 'Redo', 'CmdOrCtrl+Shift+Z', () => { this.tool.redo() })
this.acels.set('Stroke', 'Line', 'A', () => { this.tool.cast('line') })
this.acels.set('Stroke', 'Arc', 'S', () => { this.tool.cast('arc_c') })
this.acels.set('Stroke', 'Arc Rev', 'D', () => { this.tool.cast('arc_r') })
this.acels.set('Stroke', 'Bezier', 'F', () => { this.tool.cast('bezier') })
this.acels.set('Stroke', 'Close', 'Z', () => { this.tool.cast('close') })
this.acels.set('Stroke', 'Arc(full)', 'T', () => { this.tool.cast('arc_c_full') })
this.acels.set('Stroke', 'Arc Rev(full)', 'Y', () => { this.tool.cast('arc_r_full') })
this.acels.set('Stroke', 'Clear Selection', 'Escape', () => { this.tool.clear() })
this.acels.set('Effect', 'Linecap', 'Q', () => { this.tool.toggle('linecap') })
this.acels.set('Effect', 'Linejoin', 'W', () => { this.tool.toggle('linejoin') })
this.acels.set('Effect', 'Mirror', 'E', () => { this.tool.toggle('mirror') })
this.acels.set('Effect', 'Fill', 'R', () => { this.tool.toggle('fill') })
this.acels.set('Effect', 'Thicker', '}', () => { this.tool.toggle('thickness', 1) })
this.acels.set('Effect', 'Thinner', '{', () => { this.tool.toggle('thickness', -1) })
this.acels.set('Effect', 'Thicker +5', ']', () => { this.tool.toggle('thickness', 5) })
this.acels.set('Effect', 'Thinner -5', '[', () => { this.tool.toggle('thickness', -5) })
this.acels.set('Manual', 'Add Point', 'Enter', () => { this.tool.addVertex(this.cursor.pos); this.renderer.update() })
this.acels.set('Manual', 'Move Up', 'Up', () => { this.cursor.pos.y -= 15; this.renderer.update() })
this.acels.set('Manual', 'Move Right', 'Right', () => { this.cursor.pos.x += 15; this.renderer.update() })
this.acels.set('Manual', 'Move Down', 'Down', () => { this.cursor.pos.y += 15; this.renderer.update() })
this.acels.set('Manual', 'Move Left', 'Left', () => { this.cursor.pos.x -= 15; this.renderer.update() })
this.acels.set('Manual', 'Remove Point', 'Shift+Backspace', () => { this.tool.removeSegmentsAt(this.cursor.pos) })
this.acels.set('Manual', 'Remove Segment', 'Backspace', () => { this.tool.removeSegment() })
this.acels.set('Layers', 'Foreground', 'CmdOrCtrl+1', () => { this.tool.selectLayer(0) })
this.acels.set('Layers', 'Middleground', 'CmdOrCtrl+2', () => { this.tool.selectLayer(1) })
this.acels.set('Layers', 'Background', 'CmdOrCtrl+3', () => { this.tool.selectLayer(2) })
this.acels.set('Layers', 'Merge Layers', 'CmdOrCtrl+M', () => { this.tool.merge() })
this.acels.set('View', 'Color Picker', 'G', () => { this.picker.start() })
this.acels.set('View', 'Toggle Grid', 'H', () => { this.renderer.toggle() })
this.acels.install(window)
this.acels.pipe(this)

this.manager.install()
this.interface.install(host)
this.theme.install(host, () => { this.update() })
}

this.start = () => {
console.log('Client', 'Starting..')
console.info(`${this.acels}`)

this.theme.start()
this.tool.start()
this.renderer.start()
this.interface.start()

this.source.new()
this.onResize()

setTimeout(() => { document.body.className += ' ready' }, 250)
}

this.update = () => {
this.manager.update()
this.interface.update()
this.renderer.update()
}

this.clear = () => {
this.history.clear()
this.tool.reset()
this.reset()
this.renderer.update()
this.interface.update(true)
}

this.reset = () => {
this.tool.clear()
this.update()
}

this.whenOpen = (file, data) => {
this.tool.replace(JSON.parse(data))
this.onResize()
}

// Resize Tools

this.fitSize = () => {
if (this.requireResize() === false) { return }
console.log('Client', `Will resize to: ${printSize(this.getRequiredSize())}`)
this.update()
}

this.getPadding = () => {
return { x: 60, y: 90 }
}

this.getWindowSize = () => {
return { width: window.innerWidth, height: window.innerHeight }
}

this.getProjectSize = () => {
return this.tool.settings.size
}

this.getPaddedSize = () => {
const rect = this.getWindowSize()
const pad = this.getPadding()
return { width: step(rect.width - pad.x, 15), height: step(rect.height - pad.y, 15) }
}

this.getRequiredSize = () => {
const rect = this.getProjectSize()
const pad = this.getPadding()
return { width: step(rect.width, 15) + pad.x, height: step(rect.height, 15) + pad.y }
}

this.requireResize = () => {
const _window = this.getWindowSize()
const _required = this.getRequiredSize()
const offset = sizeOffset(_window, _required)
if (offset.width !== 0 || offset.height !== 0) {
console.log('Client', `Require ${printSize(_required)}, but window is ${printSize(_window)}(${printSize(offset)})`)
return true
}
return false
}

this.onResize = () => {
const _project = this.getProjectSize()
const _padded = this.getPaddedSize()
const offset = sizeOffset(_padded, _project)
if (offset.width !== 0 || offset.height !== 0) {
console.log('Client', `Resize project to ${printSize(_padded)}`)
this.tool.settings.size = _padded
}
this.update()
}

// Events

this.drag = function (e) {
e.preventDefault()
e.stopPropagation()

const file = e.dataTransfer.files[0]
const filename = file.path ? file.path : file.name ? file.name : ''

if (filename.indexOf('.grid') < 0) { console.warn('Client', 'Not a .grid file'); return }

const reader = new FileReader()

reader.onload = function (e) {
const data = e.target && e.target.result ? e.target.result : ''
this.source.load(filename, data)
this.fitSize()
}
reader.readAsText(file)
}

this.onDrop = (e) => {
e.preventDefault()
e.stopPropagation()
const file = e.dataTransfer.files[0]

if (file.name.indexOf('.grid') > -1) {
this.source.read(e.dataTransfer.files[0], this.whenOpen)
}
}

this.copy = function (e) {
this.renderer.update()

if (e.target !== this.picker.input) {
e.clipboardData.setData('text/source', this.tool.export(this.tool.layer()))
e.clipboardData.setData('text/plain', this.tool.path())
e.clipboardData.setData('text/html', this.manager.el.outerHTML)
e.clipboardData.setData('text/svg+xml', this.manager.el.outerHTML)
e.preventDefault()
}

this.renderer.update()
}

this.cut = function (e) {
this.renderer.update()

if (e.target !== this.picker.input) {
e.clipboardData.setData('text/source', this.tool.export(this.tool.layer()))
e.clipboardData.setData('text/plain', this.tool.export(this.tool.layer()))
e.clipboardData.setData('text/html', this.manager.el.outerHTML)
e.clipboardData.setData('text/svg+xml', this.manager.el.outerHTML)
this.tool.layers[this.tool.index] = []
e.preventDefault()
}

this.renderer.update()
}

this.paste = function (e) {
if (e.target !== this.picker.el) {
let data = e.clipboardData.getData('text/source')
if (isJson(data)) {
data = JSON.parse(data.trim())
this.tool.import(data)
}
e.preventDefault()
}

this.renderer.update()
}

this.onKeyDown = (e) => {
}

this.onKeyUp = (e) => {
}

function sizeOffset (a, b) { return { width: a.width - b.width, height: a.height - b.height } }
function printSize (size) { return `${size.width}x${size.height}` }
function isJson (text) { try { JSON.parse(text); return true } catch (error) { return false } }
function step (v, s) { return Math.round(v / s) * s }
}
85 scripts/cursor.js
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'use strict'

function Cursor (client) {
this.pos = { x: 0, y: 0 }
this.lastPos = { x: 0, y: 0 }
this.translation = null
this.operation = null

this.translate = function (from = null, to = null, multi = false, copy = false, layer = false) {
if ((from || to) && this.translation === null) { this.translation = { multi: multi, copy: copy, layer: layer } }
if (from) { this.translation.from = from }
if (to) { this.translation.to = to }
if (!from && !to) {
this.translation = null
}
}

this.down = function (e) {
this.pos = this.atEvent(e)
if (client.tool.vertexAt(this.pos)) {
this.translate(this.pos, this.pos, e.shiftKey, e.ctrlKey || e.metaKey, e.altKey)
}
client.renderer.update()
client.interface.update()
e.preventDefault()
}

this.move = function (e) {
this.pos = this.atEvent(e)
if (this.translation) {
this.translate(null, this.pos)
}
if (this.lastPos.x !== this.pos.x || this.lastPos.y !== this.pos.y) {
client.renderer.update()
}
client.interface.update()
this.lastPos = this.pos
e.preventDefault()
}

this.up = function (e) {
this.pos = this.atEvent(e)
if (this.translation && !isEqual(this.translation.from, this.translation.to)) {
if (this.translation.layer === true) { client.tool.translateLayer(this.translation.from, this.translation.to) } else if (this.translation.copy) { client.tool.translateCopy(this.translation.from, this.translation.to) } else if (this.translation.multi) { client.tool.translateMulti(this.translation.from, this.translation.to) } else { client.tool.translate(this.translation.from, this.translation.to) }
} else if (e.target.id === 'guide') {
client.tool.addVertex({ x: this.pos.x, y: this.pos.y })
client.picker.stop()
}
this.translate()
client.interface.update()
client.renderer.update()
e.preventDefault()
}

this.alt = function (e) {
this.pos = this.atEvent(e)
client.tool.removeSegmentsAt(this.pos)
e.preventDefault()
setTimeout(() => {
client.tool.clear()
}, 150)
}

this.atEvent = function (e) {
return this.snapPos(this.relativePos({ x: e.clientX, y: e.clientY }))
}

this.relativePos = function (pos) {
return {
x: pos.x - client.renderer.el.offsetLeft,
y: pos.y - client.renderer.el.offsetTop
}
}

this.snapPos = function (pos) {
return {
x: clamp(step(pos.x, 15), 15, client.tool.settings.size.width - 15),
y: clamp(step(pos.y, 15), 15, client.tool.settings.size.height - 15)
}
}

function isEqual (a, b) { return a.x === b.x && a.y === b.y }
function clamp (v, min, max) { return v < min ? min : v > max ? max : v }
function step (v, s) { return Math.round(v / s) * s }
}
118 scripts/generator.js
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'use strict'

/* global client */

function Generator (layer, style) {
this.layer = layer
this.style = style

function operate (layer, offset, scale, mirror = 0, angle = 0) {
const l = copy(layer)

for (const k1 in l) {
const seg = l[k1]
for (const k2 in seg.vertices) {
if (mirror === 1 || mirror === 3) { seg.vertices[k2].x = (client.tool.settings.size.width) - seg.vertices[k2].x }
if (mirror === 2 || mirror === 3) { seg.vertices[k2].y = (client.tool.settings.size.height) - seg.vertices[k2].y }
// Offset
seg.vertices[k2].x += offset.x
seg.vertices[k2].y += offset.y
// Rotate
const center = { x: (client.tool.settings.size.width / 2) + offset.x + (7.5), y: (client.tool.settings.size.height / 2) + offset.y + 30 }
seg.vertices[k2] = rotatePoint(seg.vertices[k2], center, angle)
// Scale
seg.vertices[k2].x *= scale
seg.vertices[k2].y *= scale
}
}
return l
}

this.render = function (prev, segment, mirror = 0) {
const type = segment.type
const vertices = segment.vertices
let html = ''
let skip = 0

for (const id in vertices) {
if (skip > 0) { skip -= 1; continue }

const vertex = vertices[parseInt(id)]
const next = vertices[parseInt(id) + 1]
const afterNext = vertices[parseInt(id) + 2]

if (parseInt(id) === 0 && !prev) {
html += `M${vertex.x},${vertex.y} `
} else if (parseInt(id) === 0 && prev && (prev.x !== vertex.x || prev.y !== vertex.y)) {
html += `M${vertex.x},${vertex.y} `
}

if (type === 'line') {
html += this._line(vertex)
} else if (type === 'arc_c') {
const clock = mirror > 0 && mirror < 3 ? '0,0' : '0,1'
html += this._arc(vertex, next, clock)
} else if (type === 'arc_r') {
const clock = mirror > 0 && mirror < 3 ? '0,1' : '0,0'
html += this._arc(vertex, next, clock)
} else if (type === 'arc_c_full') {
const clock = mirror > 0 ? '1,0' : '1,1'
html += this._arc(vertex, next, clock)
} else if (type === 'arc_r_full') {
const clock = mirror > 0 ? '1,1' : '1,0'
html += this._arc(vertex, next, clock)
} else if (type === 'bezier') {
html += this._bezier(next, afterNext)
skip = 1
}
}

if (segment.type === 'close') {
html += 'Z '
}

return html
}

this._line = function (a) {
return `L${a.x},${a.y} `
}

this._arc = function (a, b, c) {
if (!a || !b || !c) { return '' }

const offset = { x: b.x - a.x, y: b.y - a.y }

if (offset.x === 0 || offset.y === 0) { return this._line(b) }
return `A${Math.abs(b.x - a.x)},${Math.abs(b.y - a.y)} 0 ${c} ${b.x},${b.y} `
}

this._bezier = function (a, b) {
if (!a || !b) { return '' }
return `Q${a.x},${a.y} ${b.x},${b.y} `
}

this.convert = function (layer, mirror, angle) {
let s = ''
let prev = null
for (const id in layer) {
const seg = layer[parseInt(id)]
s += `${this.render(prev, seg, mirror)}`
prev = seg.vertices ? seg.vertices[seg.vertices.length - 1] : null
}
return s
}

this.toString = function (offset = { x: 0, y: 0 }, scale = 1, mirror = this.style && this.style.mirror_style ? this.style.mirror_style : 0) {
let s = this.convert(operate(this.layer, offset, scale))

if (mirror === 1 || mirror === 2 || mirror === 3) {
s += this.convert(operate(this.layer, offset, scale, mirror), mirror)
}

return s
}

function copy (data) { return data ? JSON.parse(JSON.stringify(data)) : [] }
function rotatePoint (point, origin, angle) { angle = angle * Math.PI / 180.0; return { x: (Math.cos(angle) * (point.x - origin.x) - Math.sin(angle) * (point.y - origin.y) + origin.x).toFixed(1), y: (Math.sin(angle) * (point.x - origin.x) + Math.cos(angle) * (point.y - origin.y) + origin.y).toFixed(1) } }
}
159 scripts/interface.js
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'use strict'

function Interface (client) {
this.el = document.createElement('div')
this.el.id = 'interface'

this.el.appendChild(this.menu_el = document.createElement('div'))
this.menu_el.id = 'menu'

this.isVisible = true
this.zoom = false

this.install = function (host) {
host.appendChild(this.el)
}

this.start = function (host) {
let html = ''
const options = {
cast: {
line: { key: 'A', icon: 'M60,60 L240,240' },
arc_c: { key: 'S', icon: 'M60,60 A180,180 0 0,1 240,240' },
arc_r: { key: 'D', icon: 'M60,60 A180,180 0 0,0 240,240' },
bezier: { key: 'F', icon: 'M60,60 Q60,150 150,150 Q240,150 240,240' },
close: { key: 'Z', icon: 'M60,60 A180,180 0 0,1 240,240 M60,60 A180,180 0 0,0 240,240' }
},
toggle: {
linecap: { key: 'Q', icon: 'M60,60 L60,60 L180,180 L240,180 L240,240 L180,240 L180,180' },
linejoin: { key: 'W', icon: 'M60,60 L120,120 L180,120 M120,180 L180,180 L240,240' },
thickness: { key: '', icon: 'M120,90 L120,90 L90,120 L180,210 L210,180 Z M105,105 L105,105 L60,60 M195,195 L195,195 L240,240' },
mirror: { key: 'E', icon: 'M60,60 L60,60 L120,120 M180,180 L180,180 L240,240 M210,90 L210,90 L180,120 M120,180 L120,180 L90,210' },
fill: { key: 'R', icon: 'M60,60 L60,150 L150,150 L240,150 L240,240 Z' }
},
misc: {
color: { key: 'G', icon: 'M150,60 A90,90 0 0,1 240,150 A-90,90 0 0,1 150,240 A-90,-90 0 0,1 60,150 A90,-90 0 0,1 150,60' }
},
source: {
open: { key: 'c-O', icon: 'M155,65 A90,90 0 0,1 245,155 A90,90 0 0,1 155,245 A90,90 0 0,1 65,155 A90,90 0 0,1 155,65 M155,95 A60,60 0 0,1 215,155 A60,60 0 0,1 155,215 A60,60 0 0,1 95,155 A60,60 0 0,1 155,95 ' },
render: { key: 'c-R', icon: 'M155,65 A90,90 0 0,1 245,155 A90,90 0 0,1 155,245 A90,90 0 0,1 65,155 A90,90 0 0,1 155,65 M110,155 L110,155 L200,155 ' },
export: { key: 'c-E', icon: 'M155,65 A90,90 0 0,1 245,155 A90,90 0 0,1 155,245 A90,90 0 0,1 65,155 A90,90 0 0,1 155,65 M110,140 L110,140 L200,140 M110,170 L110,170 L200,170' },
save: { key: 'c-S', icon: 'M155,65 A90,90 0 0,1 245,155 A90,90 0 0,1 155,245 A90,90 0 0,1 65,155 A90,90 0 0,1 155,65 M110,155 L110,155 L200,155 M110,185 L110,185 L200,185 M110,125 L110,125 L200,125' },
grid: { key: 'H', icon: 'M65,155 Q155,245 245,155 M65,155 Q155,65 245,155 M155,125 A30,30 0 0,1 185,155 A30,30 0 0,1 155,185 A30,30 0 0,1 125,155 A30,30 0 0,1 155,125 ' }
}
}

for (const type in options) {
const tools = options[type]
for (const name in tools) {
const tool = tools[name]
html += `
<svg
id="option_${name}"
title="${capitalize(name)}"
onmouseout="client.interface.out('${type}','${name}')"
onmouseup="client.interface.up('${type}','${name}')"
onmousedown="client.interface.down('${type}','${name}', event)"
onmouseover="client.interface.over('${type}','${name}')"
viewBox="0 0 300 300"
class="icon ${type}">
<path id="${name}_path" class="icon_path" d="${tool.icon}"/>${name === 'depth' ? '<path class="icon_path inactive" d=""/>' : ''}
<rect ar="${name}" width="300" height="300" opacity="0">
<title>${capitalize(name)}${tool.key ? '(' + tool.key + ')' : ''}</title>
</rect>
</svg>`
}
}
this.menu_el.innerHTML = html
this.menu_el.appendChild(client.picker.el)
}

this.over = function (type, name) {
client.cursor.operation = {}
client.cursor.operation[type] = name
this.update(true)
client.renderer.update(true)
}

this.out = function (type, name) {
client.cursor.operation = ''
client.renderer.update(true)
}

this.up = function (type, name) {
if (!client.tool[type]) { console.warn(`Unknown option(type): ${type}.${name}`, client.tool); return }

this.update(true)
client.renderer.update(true)
}

this.down = function (type, name, event) {
if (!client.tool[type]) { console.warn(`Unknown option(type): ${type}.${name}`, client.tool); return }
const mod = event.button === 2 ? -1 : 1
client.tool[type](name, mod)
this.update(true)
client.renderer.update(true)
}

this.prev_operation = null

this.update = function (force = false, id) {
if (this.prev_operation === client.cursor.operation && force === false) { return }

let multiVertices = null
const segments = client.tool.layer()
const sumSegments = client.tool.length()

for (const i in segments) {
if (segments[i].vertices.length > 2) { multiVertices = true; break }
}

document.getElementById('option_line').className.baseVal = !client.tool.canCast('line') ? 'icon inactive' : 'icon'
document.getElementById('option_arc_c').className.baseVal = !client.tool.canCast('arc_c') ? 'icon inactive' : 'icon'
document.getElementById('option_arc_r').className.baseVal = !client.tool.canCast('arc_r') ? 'icon inactive' : 'icon'
document.getElementById('option_bezier').className.baseVal = !client.tool.canCast('bezier') ? 'icon inactive' : 'icon'
document.getElementById('option_close').className.baseVal = !client.tool.canCast('close') ? 'icon inactive' : 'icon'

document.getElementById('option_thickness').className.baseVal = client.tool.layer().length < 1 ? 'icon inactive' : 'icon'
document.getElementById('option_linecap').className.baseVal = client.tool.layer().length < 1 ? 'icon inactive' : 'icon'
document.getElementById('option_linejoin').className.baseVal = client.tool.layer().length < 1 || !multiVertices ? 'icon inactive' : 'icon'
document.getElementById('option_mirror').className.baseVal = client.tool.layer().length < 1 ? 'icon inactive' : 'icon'
document.getElementById('option_fill').className.baseVal = client.tool.layer().length < 1 ? 'icon inactive' : 'icon'

document.getElementById('option_color').children[0].style.fill = client.tool.style().color
document.getElementById('option_color').children[0].style.stroke = client.tool.style().color
document.getElementById('option_color').className.baseVal = 'icon'

// Source

document.getElementById('option_save').className.baseVal = sumSegments < 1 ? 'icon inactive source' : 'icon source'
document.getElementById('option_export').className.baseVal = sumSegments < 1 ? 'icon inactive source' : 'icon source'
document.getElementById('option_render').className.baseVal = sumSegments < 1 ? 'icon inactive source' : 'icon source'

document.getElementById('option_grid').className.baseVal = client.renderer.showExtras ? 'icon inactive source' : 'icon source'

// Grid
if (client.renderer.showExtras) { document.getElementById('grid_path').setAttribute('d', 'M65,155 Q155,245 245,155 M65,155 Q155,65 245,155 M155,125 A30,30 0 0,1 185,155 A30,30 0 0,1 155,185 A30,30 0 0,1 125,155 A30,30 0 0,1 155,125 ') } else { document.getElementById('grid_path').setAttribute('d', 'M65,155 Q155,245 245,155 M65,155 ') }

// Mirror
if (client.tool.style().mirror_style === 0) { document.getElementById('mirror_path').setAttribute('d', 'M60,60 L60,60 L120,120 M180,180 L180,180 L240,240 M210,90 L210,90 L180,120 M120,180 L120,180 L90,210') } else if (client.tool.style().mirror_style === 1) { document.getElementById('mirror_path').setAttribute('d', 'M60,60 L240,240 M180,120 L210,90 M120,180 L90,210') } else if (client.tool.style().mirror_style === 2) { document.getElementById('mirror_path').setAttribute('d', 'M210,90 L210,90 L90,210 M60,60 L60,60 L120,120 M180,180 L180,180 L240,240') } else if (client.tool.style().mirror_style === 3) { document.getElementById('mirror_path').setAttribute('d', 'M60,60 L60,60 L120,120 L180,120 L210,90 M240,240 L240,240 L180,180 L120,180 L90,210') } else if (client.tool.style().mirror_style === 4) { document.getElementById('mirror_path').setAttribute('d', 'M120,120 L120,120 L120,120 L180,120 M120,150 L120,150 L180,150 M120,180 L120,180 L180,180 L180,180 L180,180 L240,240 M120,210 L120,210 L180,210 M120,90 L120,90 L180,90 M60,60 L60,60 L120,120 ') }

this.prev_operation = client.cursor.operation
}

this.toggle = function () {
this.isVisible = !this.isVisible
this.el.className = this.isVisible ? 'visible' : 'hidden'
}

document.onkeydown = function (e) {
if (e.key === 'Tab') {
client.interface.toggle()
e.preventDefault()
}
}

function capitalize (str) {
return str.charAt(0).toUpperCase() + str.slice(1).toLowerCase()
}
}
92 scripts/lib/acels.js
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'use strict'

function Acels (client) {
this.all = {}
this.roles = {}
this.pipe = null

this.install = (host = window) => {
host.addEventListener('keydown', this.onKeyDown, false)
host.addEventListener('keyup', this.onKeyUp, false)
}

this.set = (cat, name, accelerator, downfn, upfn) => {
if (this.all[accelerator]) { console.warn('Acels', `Trying to overwrite ${this.all[accelerator].name}, with ${name}.`) }
this.all[accelerator] = { cat, name, downfn, upfn, accelerator }
}

this.add = (cat, role) => {
this.all[':' + role] = { cat, name: role, role }
}

this.get = (accelerator) => {
return this.all[accelerator]
}

this.sort = () => {
const h = {}
for (const item of Object.values(this.all)) {
if (!h[item.cat]) { h[item.cat] = [] }
h[item.cat].push(item)
}
return h
}

this.convert = (event) => {
const accelerator = event.key === ' ' ? 'Space' : event.key.substr(0, 1).toUpperCase() + event.key.substr(1)
if ((event.ctrlKey || event.metaKey) && event.shiftKey) {
return `CmdOrCtrl+Shift+${accelerator}`
}
if (event.shiftKey && event.key.toUpperCase() !== event.key) {
return `Shift+${accelerator}`
}
if (event.altKey && event.key.length !== 1) {
return `Alt+${accelerator}`
}
if (event.ctrlKey || event.metaKey) {
return `CmdOrCtrl+${accelerator}`
}
return accelerator
}

this.pipe = (obj) => {
this.pipe = obj
}

this.onKeyDown = (e) => {
const target = this.get(this.convert(e))
if (!target || !target.downfn) { return this.pipe ? this.pipe.onKeyDown(e) : null }
target.downfn()
e.preventDefault()
}

this.onKeyUp = (e) => {
const target = this.get(this.convert(e))
if (!target || !target.upfn) { return this.pipe ? this.pipe.onKeyUp(e) : null }
target.upfn()
e.preventDefault()
}

this.toMarkdown = () => {
const cats = this.sort()
let text = ''
for (const cat in cats) {
text += `\n### ${cat}\n\n`
for (const item of cats[cat]) {
text += item.accelerator ? `- \`${item.accelerator}\`: ${item.name}\n` : ''
}
}
return text.trim()
}

this.toString = () => {
const cats = this.sort()
let text = ''
for (const cat in cats) {
for (const item of cats[cat]) {
text += item.accelerator ? `${cat}: ${item.name} | ${item.accelerator}\n` : ''
}
}
return text.trim()
}
}
48 scripts/lib/build.js
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'use strict'

const fs = require('fs')
const libs = fs.readdirSync('./scripts/lib').filter((file) => { return file.indexOf('.js') > 0 && file !== 'build.js' })
const scripts = fs.readdirSync('./scripts').filter((file) => { return file.indexOf('.js') > 0 })
const styles = fs.readdirSync('./links').filter((file) => { return file.indexOf('.css') > 0 })
const id = process.cwd().split('/').slice(-1)[0]

function cleanup (txt) {
const lines = txt.split('\n')
let output = ''
for (const line of lines) {
if (line.trim() === '') { continue }
if (line.trim().substr(0, 2) === '//') { continue }
if (line.indexOf('/*') > -1 && line.indexOf('*/') > -1) { continue }
output += line + '\n'
}
return output
}

const wrapper = `
<!DOCTYPE html>
<html lang="en">
<html>
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>${id}</title>
</head>
<body>
<script>
${libs.reduce((acc, item) => { return `${acc}// Including Library ${item}\n\n${fs.readFileSync('./scripts/lib/' + item, 'utf8')}\n` }, '')}
${scripts.reduce((acc, item) => { return `${acc}// Including Script ${item}\n\n${fs.readFileSync('./scripts/' + item, 'utf8')}\n` }, '')}
const client = new Client()
client.install(document.body)
window.addEventListener('load', () => {
client.start()
})
</script>
<style>
${styles.reduce((acc, item) => { return `${acc}/* Including Style ${item} */ \n\n${fs.readFileSync('./links/' + item, 'utf8')}\n` }, '')}
</style>
</body>
</html>`

fs.writeFileSync('index.html', cleanup(wrapper))

console.log(`Built ${id}`)
45 scripts/lib/history.js
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'use strict'

function History () {
this.index = 0
this.a = []

this.clear = function () {
this.a = []
this.index = 0
}

this.push = function (data) {
if (this.index < this.a.length - 1) {
this.fork()
}
this.index = this.a.length
this.a = this.a.slice(0, this.index)
this.a.push(copy(data))

if (this.a.length > 20) {
this.a.shift()
}
}

this.fork = function () {
this.a = this.a.slice(0, this.index + 1)
}

this.pop = function () {
return this.a.pop()
}

this.prev = function () {
this.index = clamp(this.index - 1, 0, this.a.length - 1)
return copy(this.a[this.index])
}

this.next = function () {
this.index = clamp(this.index + 1, 0, this.a.length - 1)
return copy(this.a[this.index])
}

function copy (data) { return data ? JSON.parse(JSON.stringify(data)) : [] }
function clamp (v, min, max) { return v < min ? min : v > max ? max : v }
}
102 scripts/lib/source.js
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'use strict'

/* global FileReader */
/* global MouseEvent */

function Source (client) {
this.cache = {}

this.install = () => {
}

this.start = () => {
this.new()
}

this.new = () => {
console.log('Source', 'New file..')
this.cache = {}
}

this.open = (ext, callback, store = false) => {
console.log('Source', 'Open file..')
const input = document.createElement('input')
input.type = 'file'
input.onchange = (e) => {
const file = e.target.files[0]
if (file.name.indexOf('.' + ext) < 0) { console.warn('Source', `Skipped ${file.name}`); return }
this.read(file, callback, store)
}
input.click()
}

this.load = (ext, callback) => {
console.log('Source', 'Load files..')
const input = document.createElement('input')
input.type = 'file'
input.setAttribute('multiple', 'multiple')
input.onchange = (e) => {
for (const file of e.target.files) {
if (file.name.indexOf('.' + ext) < 0) { console.warn('Source', `Skipped ${file.name}`); continue }
this.read(file, this.store)
}
}
input.click()
}

this.store = (file, content) => {
console.info('Source', 'Stored ' + file.name)
this.cache[file.name] = content
}

this.save = (name, content, type = 'text/plain', callback) => {
this.saveAs(name, content, type, callback)
}

this.saveAs = (name, ext, content, type = 'text/plain', callback) => {
console.log('Source', 'Save new file..')
this.write(name, ext, content, type, callback)
}

// I/O

this.read = (file, callback, store = false) => {
const reader = new FileReader()
reader.onload = (event) => {
const res = event.target.result
if (callback) { callback(file, res) }
if (store) { this.store(file, res) }
}
reader.readAsText(file, 'UTF-8')
}

this.write = (name, ext, content, type, settings = 'charset=utf-8') => {
const link = document.createElement('a')
link.setAttribute('download', `${name}-${timestamp()}.${ext}`)
if (type === 'image/png' || type === 'image/jpeg') {
link.setAttribute('href', content)
} else {
link.setAttribute('href', 'data:' + type + ';' + settings + ',' + encodeURIComponent(content))
}
link.dispatchEvent(new MouseEvent('click', { bubbles: true, cancelable: true, view: window }))
}

function timestamp (d = new Date(), e = new Date(d)) {
return `${arvelie()}-${neralie()}`
}

function arvelie (date = new Date()) {
const start = new Date(date.getFullYear(), 0, 0)
const diff = (date - start) + ((start.getTimezoneOffset() - date.getTimezoneOffset()) * 60 * 1000)
const doty = Math.floor(diff / 86400000) - 1
const y = date.getFullYear().toString().substr(2, 2)
const m = doty === 364 || doty === 365 ? '+' : String.fromCharCode(97 + Math.floor(doty / 14)).toUpperCase()
const d = `${(doty === 365 ? 1 : doty === 366 ? 2 : (doty % 14)) + 1}`.padStart(2, '0')
return `${y}${m}${d}`
}

function neralie (d = new Date(), e = new Date(d)) {
const ms = e - d.setHours(0, 0, 0, 0)
return (ms / 8640 / 10000).toFixed(6).substr(2, 6)
}
}
170 scripts/lib/theme.js
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'use strict'

/* global localStorage */
/* global FileReader */
/* global DOMParser */

function Theme (client) {
this.el = document.createElement('style')
this.el.type = 'text/css'

this.active = {}
this.default = {
background: '#eeeeee',
f_high: '#0a0a0a',
f_med: '#4a4a4a',
f_low: '#6a6a6a',
f_inv: '#111111',
b_high: '#a1a1a1',
b_med: '#c1c1c1',
b_low: '#ffffff',
b_inv: '#ffb545'
}

// Callbacks
this.onLoad = () => {}

this.install = (host = document.body) => {
window.addEventListener('dragover', this.drag)
window.addEventListener('drop', this.drop)
host.appendChild(this.el)
}

this.start = () => {
console.log('Theme', 'Starting..')
if (isJson(localStorage.theme)) {
const storage = JSON.parse(localStorage.theme)
if (isValid(storage)) {
console.log('Theme', 'Loading theme in localStorage..')
this.load(storage)
return
}
}
this.load(this.default)
}

this.open = () => {
console.log('Theme', 'Open theme..')
const input = document.createElement('input')
input.type = 'file'
input.onchange = (e) => {
this.read(e.target.files[0], this.load)
}
input.click()
}

this.load = (data) => {
const theme = this.parse(data)
if (!isValid(theme)) { console.warn('Theme', 'Invalid format'); return }
console.log('Theme', 'Loaded theme!')
this.el.innerHTML = `:root {
--background: ${theme.background};
--f_high: ${theme.f_high};
--f_med: ${theme.f_med};
--f_low: ${theme.f_low};
--f_inv: ${theme.f_inv};
--b_high: ${theme.b_high};
--b_med: ${theme.b_med};
--b_low: ${theme.b_low};
--b_inv: ${theme.b_inv};
}`
localStorage.setItem('theme', JSON.stringify(theme))
this.active = theme
if (this.onLoad) {
this.onLoad(data)
}
}

this.reset = () => {
this.load(this.default)
}

this.set = (key, val) => {
if (!val) { return }
const hex = (`${val}`.substr(0, 1) !== '#' ? '#' : '') + `${val}`
if (!isColor(hex)) { console.warn('Theme', `${hex} is not a valid color.`); return }
this.active[key] = hex
}

this.read = (key) => {
return this.active[key]
}

this.parse = (any) => {
if (isValid(any)) { return any }
if (isJson(any)) { return JSON.parse(any) }
if (isHtml(any)) { return extract(any) }
}

// Drag

this.drag = (e) => {
e.stopPropagation()
e.preventDefault()
e.dataTransfer.dropEffect = 'copy'
}

this.drop = (e) => {
e.preventDefault()
const file = e.dataTransfer.files[0]
if (file.name.indexOf('.svg') > -1) {
this.read(file, this.load)
}
e.stopPropagation()
}

this.read = (file, callback) => {
const reader = new FileReader()
reader.onload = (event) => {
callback(event.target.result)
}
reader.readAsText(file, 'UTF-8')
}

// Helpers

function extract (xml) {
const svg = new DOMParser().parseFromString(xml, 'text/xml')
try {
return {
background: svg.getElementById('background').getAttribute('fill'),
f_high: svg.getElementById('f_high').getAttribute('fill'),
f_med: svg.getElementById('f_med').getAttribute('fill'),
f_low: svg.getElementById('f_low').getAttribute('fill'),
f_inv: svg.getElementById('f_inv').getAttribute('fill'),
b_high: svg.getElementById('b_high').getAttribute('fill'),
b_med: svg.getElementById('b_med').getAttribute('fill'),
b_low: svg.getElementById('b_low').getAttribute('fill'),
b_inv: svg.getElementById('b_inv').getAttribute('fill')
}
} catch (err) {
console.warn('Theme', 'Incomplete SVG Theme', err)
}
}

function isValid (json) {
if (!json) { return false }
if (!json.background || !isColor(json.background)) { return false }
if (!json.f_high || !isColor(json.f_high)) { return false }
if (!json.f_med || !isColor(json.f_med)) { return false }
if (!json.f_low || !isColor(json.f_low)) { return false }
if (!json.f_inv || !isColor(json.f_inv)) { return false }
if (!json.b_high || !isColor(json.b_high)) { return false }
if (!json.b_med || !isColor(json.b_med)) { return false }
if (!json.b_low || !isColor(json.b_low)) { return false }
if (!json.b_inv || !isColor(json.b_inv)) { return false }
return true
}

function isColor (hex) {
return /^#([0-9A-F]{3}){1,2}$/i.test(hex)
}

function isJson (text) {
try { JSON.parse(text); return true } catch (error) { return false }
}

function isHtml (text) {
try { new DOMParser().parseFromString(text, 'text/xml'); return true } catch (error) { return false }
}
}
90 scripts/manager.js
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'use strict'

/* global XMLSerializer */
/* global btoa */
/* global Image */
/* global Blob */

function Manager (client) {
// Create SVG parts
this.el = document.createElementNS('http://www.w3.org/2000/svg', 'svg')
this.el.setAttribute('xmlns', 'http://www.w3.org/2000/svg')
this.el.setAttribute('baseProfile', 'full')
this.el.setAttribute('version', '1.1')
this.el.style.fill = 'none'

this.layers = []

this.install = function () {
this.el.appendChild(this.layers[2] = document.createElementNS('http://www.w3.org/2000/svg', 'path'))
this.el.appendChild(this.layers[1] = document.createElementNS('http://www.w3.org/2000/svg', 'path'))
this.el.appendChild(this.layers[0] = document.createElementNS('http://www.w3.org/2000/svg', 'path'))
}

this.update = function () {
this.el.setAttribute('width', (client.tool.settings.size.width) + 'px')
this.el.setAttribute('height', (client.tool.settings.size.height) + 'px')
this.el.style.width = (client.tool.settings.size.width)
this.el.style.height = client.tool.settings.size.height

const styles = client.tool.styles
const paths = client.tool.paths()

for (const id in this.layers) {
const style = styles[id]
const path = paths[id]
const layer = this.layers[id]

layer.style.strokeWidth = style.thickness
layer.style.strokeLinecap = style.strokeLinecap
layer.style.strokeLinejoin = style.strokeLinejoin
layer.style.stroke = style.color
layer.style.fill = style.fill

layer.setAttribute('d', path)
}
}

this.svg64 = function () {
const xml = new XMLSerializer().serializeToString(this.el)
const svg64 = btoa(xml)
const b64Start = 'data:image/svg+xml;base64,'
return b64Start + svg64
}

// Exporters

this.toPNG = function (size = client.tool.settings.size, callback) {
this.update()

const image64 = this.svg64()
const img = new Image()
const canvas = document.createElement('canvas')
canvas.width = (size.width) * 2
canvas.height = (size.height) * 2
img.onload = function () {
canvas.getContext('2d').drawImage(img, 0, 0, (size.width) * 2, (size.height) * 2)
callback(canvas.toDataURL('image/png'))
}
img.src = image64
}

this.toSVG = function (callback) {
this.update()

const image64 = this.svg64()
callback(image64, 'export.svg')
}

this.toGRID = function (callback) {
this.update()

const text = client.tool.export()
const file = new Blob([text], { type: 'text/plain' })
callback(URL.createObjectURL(file), 'export.grid')
}

this.toString = () => {
return new XMLSerializer().serializeToString(this.el)
}
}
92 scripts/picker.js
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'use strict'

function Picker (client) {
this.memory = ''
this.el = document.createElement('div')
this.el.id = 'picker'
this.isActive = false
this.input = document.createElement('input')
this.input.id = 'picker_input'

this.el.appendChild(this.input)

this.start = function () {
if (this.isActive) { return }

this.isActive = true

this.input.setAttribute('placeholder', `${client.tool.style().color.replace('#', '').trim()}`)
this.input.setAttribute('maxlength', 6)

this.input.addEventListener('keydown', this.onKeyDown, false)
this.input.addEventListener('keyup', this.onKeyUp, false)

client.interface.el.className = 'picker'
this.input.focus()
this.input.value = ''

try { client.controller.set('picker') } catch (err) { }
}

this.update = function () {
if (!this.isActive) { return }
if (!isColor(this.input.value)) { return }

const hex = `#${this.input.value}`

document.getElementById('option_color').children[0].style.fill = hex
document.getElementById('option_color').children[0].style.stroke = hex
}

this.stop = function () {
if (!this.isActive) { return }

this.isActive = false

client.interface.el.className = ''
this.input.blur()
this.input.value = ''

try { client.controller.set() } catch (err) { console.log('No controller') }

setTimeout(() => { client.interface.update(true); client.renderer.update() }, 250)
}

this.validate = function () {
if (!isColor(this.input.value)) { return }

const hex = `#${this.input.value}`

client.tool.style().color = hex
client.tool.style().fill = client.tool.style().fill !== 'none' ? hex : 'none'

this.stop()
}

function isColor (val) {
if (val.length !== 3 && val.length !== 6) {
return false
}

const re = /[0-9A-Fa-f]/g
return re.test(val)
}

this.onKeyDown = (e) => {
e.stopPropagation()
if (e.key === 'Enter') {
this.validate()
e.preventDefault()
return
}
if (e.key === 'Escape') {
this.stop()
e.preventDefault()
}
}

this.onKeyUp = (e) => {
e.stopPropagation()
this.update()
}
}
263 scripts/renderer.js
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'use strict'

/* global Image */
/* global Path2D */
/* global Generator */

function Renderer (client) {
this.el = document.createElement('canvas')
this.el.id = 'guide'
this.el.width = 640
this.el.height = 640
this.el.style.width = '320px'
this.el.style.height = '320px'
this.context = this.el.getContext('2d')
this.showExtras = true

this.scale = 2 // window.devicePixelRatio

this.start = function () {
this.update()
}

this.update = function (force = false) {
this.resize()
client.manager.update()
const render = new Image()
render.onload = () => {
this.draw(render)
}
render.src = client.manager.svg64()
}

this.draw = function (render) {
this.clear()
this.drawMirror()
this.drawGrid()
this.drawRulers()
this.drawRender(render) //
this.drawVertices()
this.drawHandles()
this.drawTranslation()
this.drawCursor()
this.drawPreview()
}

this.clear = function () {
this.context.clearRect(0, 0, this.el.width * this.scale, this.el.height * this.scale)
}

this.toggle = function () {
this.showExtras = !this.showExtras
this.update()
client.interface.update(true)
}

this.resize = function () {
const _target = client.getPaddedSize()
const _current = { width: this.el.width / this.scale, height: this.el.height / this.scale }
const offset = sizeOffset(_target, _current)
if (offset.width === 0 && offset.height === 0) {
return
}
console.log('Renderer', `Require resize: ${printSize(_target)}, from ${printSize(_current)}`)
this.el.width = (_target.width) * this.scale
this.el.height = (_target.height) * this.scale
this.el.style.width = (_target.width) + 'px'
this.el.style.height = (_target.height) + 'px'
}

// Collections

this.drawMirror = function () {
if (!this.showExtras) { return }

if (client.tool.style().mirror_style === 0) { return }

const middle = { x: client.tool.settings.size.width, y: client.tool.settings.size.height }

if (client.tool.style().mirror_style === 1 || client.tool.style().mirror_style === 3) {
this.drawRule({ x: middle.x, y: 15 * this.scale }, { x: middle.x, y: (client.tool.settings.size.height) * this.scale })
}
if (client.tool.style().mirror_style === 2 || client.tool.style().mirror_style === 3) {
this.drawRule({ x: 15 * this.scale, y: middle.y }, { x: (client.tool.settings.size.width) * this.scale, y: middle.y })
}
}

this.drawHandles = function () {
if (!this.showExtras) { return }

for (const segmentId in client.tool.layer()) {
const segment = client.tool.layer()[segmentId]
for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
this.drawHandle(vertex)
}
}
}

this.drawVertices = function () {
for (const id in client.tool.vertices) {
this.drawVertex(client.tool.vertices[id])
}
}

this.drawGrid = function () {
if (!this.showExtras) { return }

const markers = { w: parseInt(client.tool.settings.size.width / 15), h: parseInt(client.tool.settings.size.height / 15) }

for (let x = markers.w - 1; x >= 0; x--) {
for (let y = markers.h - 1; y >= 0; y--) {
const isStep = x % 4 === 0 && y % 4 === 0
// Don't draw margins
if (x === 0 || y === 0) { continue }
this.drawMarker({
x: parseInt(x * 15),
y: parseInt(y * 15)
}, isStep ? 2.5 : 1.5, client.theme.active.b_med)
}
}
}

this.drawRulers = function () {
if (!client.cursor.translation) { return }

const pos = client.cursor.translation.to
const bottom = (client.tool.settings.size.height * this.scale)
const right = (client.tool.settings.size.width * this.scale)

this.drawRule({ x: pos.x * this.scale, y: 0 }, { x: pos.x * this.scale, y: bottom })
this.drawRule({ x: 0, y: pos.y * this.scale }, { x: right, y: pos.y * this.scale })
}

this.drawPreview = function () {
const operation = client.cursor.operation && client.cursor.operation.cast ? client.cursor.operation.cast : null

if (!client.tool.canCast(operation)) { return }
if (operation === 'close') { return }

const path = new Generator([{ vertices: client.tool.vertices, type: operation }]).toString({ x: 0, y: 0 }, 2)
const style = {
color: client.theme.active.f_med,
thickness: 2,
strokeLinecap: 'round',
strokeLinejoin: 'round',
strokeLineDash: [5, 15]
}
this.drawPath(path, style)
}

// Elements

this.drawMarker = function (pos, radius = 1, color) {
this.context.beginPath()
this.context.lineWidth = 2
this.context.arc(pos.x * this.scale, pos.y * this.scale, radius, 0, 2 * Math.PI, false)
this.context.fillStyle = color
this.context.fill()
this.context.closePath()
}

this.drawVertex = function (pos, radius = 5) {
this.context.beginPath()
this.context.lineWidth = 2
this.context.arc((pos.x * this.scale), (pos.y * this.scale), radius, 0, 2 * Math.PI, false)
this.context.fillStyle = client.theme.active.f_low
this.context.fill()
this.context.closePath()
}

this.drawRule = function (from, to) {
this.context.beginPath()
this.context.moveTo(from.x, from.y)
this.context.lineTo(to.x, to.y)
this.context.lineCap = 'round'
this.context.lineWidth = 3
this.context.strokeStyle = client.theme.active.b_low
this.context.stroke()
this.context.closePath()
}

this.drawHandle = function (pos, radius = 6) {
this.context.beginPath()
this.context.arc(Math.abs(pos.x * -this.scale), Math.abs(pos.y * this.scale), radius + 3, 0, 2 * Math.PI, false)
this.context.fillStyle = client.theme.active.f_high
this.context.fill()
this.context.closePath()
this.context.beginPath()
this.context.arc((pos.x * this.scale), (pos.y * this.scale), radius - 3, 0, 2 * Math.PI, false)
this.context.fillStyle = client.theme.active.b_low
this.context.fill()
this.context.closePath()
}

this.drawPath = function (path, style) {
const p = new Path2D(path)

this.context.strokeStyle = style.color
this.context.lineWidth = style.thickness * this.scale
this.context.lineCap = style.strokeLinecap
this.context.lineJoin = style.strokeLinejoin

if (style.fill && style.fill !== 'none') {
this.context.fillStyle = style.color
this.context.fill(p)
}

// Dash
this.context.save()
if (style.strokeLineDash) { this.context.setLineDash(style.strokeLineDash) } else { this.context.setLineDash([]) }
this.context.stroke(p)
this.context.restore()
}

this.drawTranslation = function () {
if (!client.cursor.translation) { return }

this.context.save()

this.context.beginPath()
this.context.moveTo((client.cursor.translation.from.x * this.scale), (client.cursor.translation.from.y * this.scale))
this.context.lineTo((client.cursor.translation.to.x * this.scale), (client.cursor.translation.to.y * this.scale))
this.context.lineCap = 'round'
this.context.lineWidth = 5
this.context.strokeStyle = client.cursor.translation.multi === true ? client.theme.active.b_inv : client.cursor.translation.copy === true ? client.theme.active.f_med : client.theme.active.f_low
this.context.setLineDash([5, 10])
this.context.stroke()
this.context.closePath()

this.context.setLineDash([])
this.context.restore()
}

this.drawCursor = function (pos = client.cursor.pos, radius = client.tool.style().thickness - 1) {
this.context.save()

this.context.beginPath()
this.context.lineWidth = 3
this.context.lineCap = 'round'
this.context.arc(Math.abs(pos.x * -this.scale), Math.abs(pos.y * this.scale), 5, 0, 2 * Math.PI, false)
this.context.strokeStyle = client.theme.active.background
this.context.stroke()
this.context.closePath()

this.context.beginPath()
this.context.lineWidth = 3
this.context.lineCap = 'round'
this.context.arc(Math.abs(pos.x * -this.scale), Math.abs(pos.y * this.scale), clamp(radius, 5, 100), 0, 2 * Math.PI, false)
this.context.strokeStyle = client.theme.active.f_med
this.context.stroke()
this.context.closePath()

this.context.restore()
}

this.drawRender = function (render) {
this.context.drawImage(render, 0, 0, this.el.width, this.el.height)
}

function printSize (size) { return `${size.width}x${size.height}` }
function sizeOffset (a, b) { return { width: a.width - b.width, height: a.height - b.height } }
function clamp (v, min, max) { return v < min ? min : v > max ? max : v }
}
366 scripts/tool.js
View file
@@ -0,0 +1,366 @@
'use strict'

/* global Generator */

function Tool (client) {
this.index = 0
this.settings = { size: { width: 600, height: 300 } }
this.layers = [[], [], []]
this.styles = [
{ thickness: 15, strokeLinecap: 'round', strokeLinejoin: 'round', color: '#f00', fill: 'none', mirror_style: 0, transform: 'rotate(45)' },
{ thickness: 15, strokeLinecap: 'round', strokeLinejoin: 'round', color: '#0f0', fill: 'none', mirror_style: 0, transform: 'rotate(45)' },
{ thickness: 15, strokeLinecap: 'round', strokeLinejoin: 'round', color: '#00f', fill: 'none', mirror_style: 0, transform: 'rotate(45)' }
]
this.vertices = []
this.reqs = { line: 2, arc_c: 2, arc_r: 2, arc_c_full: 2, arc_r_full: 2, bezier: 3, close: 0 }

this.start = function () {
this.styles[0].color = client.theme.active.f_high
this.styles[1].color = client.theme.active.f_med
this.styles[2].color = client.theme.active.f_low
}

this.erase = function () {
this.layers = [[], [], []]
}

this.reset = function () {
this.styles[0].mirror_style = 0
this.styles[1].mirror_style = 0
this.styles[2].mirror_style = 0
this.styles[0].fill = 'none'
this.styles[1].fill = 'none'
this.styles[2].fill = 'none'
this.erase()
this.vertices = []
this.index = 0
}

this.clear = function () {
this.vertices = []
client.renderer.update()
client.interface.update(true)
}

this.undo = function () {
this.layers = client.history.prev()
client.renderer.update()
client.interface.update(true)
}

this.redo = function () {
this.layers = client.history.next()
client.renderer.update()
client.interface.update(true)
}

this.length = function () {
return this.layers[0].length + this.layers[1].length + this.layers[2].length
}

// I/O

this.export = function (target = { settings: this.settings, layers: this.layers, styles: this.styles }) {
return JSON.stringify(copy(target), null, 2)
}

this.import = function (layer) {
this.layers[this.index] = this.layers[this.index].concat(layer)
client.history.push(this.layers)
this.clear()
client.renderer.update()
client.interface.update(true)
}

this.replace = function (dot) {
if (!dot.layers || dot.layers.length !== 3) { console.warn('Incompatible version'); return }

if (dot.settings.width && dot.settings.height) {
dot.settings.size = { width: dot.settings.width, height: dot.settings.height }
}

this.layers = dot.layers
this.styles = dot.styles
this.settings = dot.settings

this.clear()
client.fitSize()
client.renderer.update()
client.interface.update(true)
client.history.push(this.layers)
}

// EDIT

this.removeSegment = function () {
if (this.vertices.length > 0) { this.clear(); return }

this.layer().pop()
this.clear()
client.renderer.update()
client.interface.update(true)
}

this.removeSegmentsAt = function (pos) {
for (const segmentId in this.layer()) {
const segment = this.layer()[segmentId]
for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
if (Math.abs(pos.x) === Math.abs(vertex.x) && Math.abs(pos.y) === Math.abs(vertex.y)) {
segment.vertices.splice(vertexId, 1)
}
}
if (segment.vertices.length < 2) {
this.layers[this.index].splice(segmentId, 1)
}
}
this.clear()
client.renderer.update()
client.interface.update(true)
}

this.selectSegmentAt = function (pos, source = this.layer()) {
for (const segmentId in source) {
const segment = source[segmentId]
for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
if (vertex.x === Math.abs(pos.x) && vertex.y === Math.abs(pos.y)) {
return segment
}
}
}
return null
}

this.addVertex = function (pos) {
pos = { x: Math.abs(pos.x), y: Math.abs(pos.y) }
this.vertices.push(pos)
client.interface.update(true)
}

this.vertexAt = function (pos) {
for (const segmentId in this.layer()) {
const segment = this.layer()[segmentId]
for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
if (vertex.x === Math.abs(pos.x) && vertex.y === Math.abs(pos.y)) {
return vertex
}
}
}
return null
}

this.addSegment = function (type, vertices, index = this.index) {
const appendTarget = this.canAppend({ type: type, vertices: vertices }, index)
if (appendTarget) {
this.layer(index)[appendTarget].vertices = this.layer(index)[appendTarget].vertices.concat(vertices)
} else {
this.layer(index).push({ type: type, vertices: vertices })
}
}

this.cast = function (type) {
if (!this.layer()) { this.layers[this.index] = [] }
if (!this.canCast(type)) { console.warn('Cannot cast'); return }

this.addSegment(type, this.vertices.slice())

client.history.push(this.layers)

this.clear()
client.renderer.update()
client.interface.update(true)

console.log(`Casted ${type} -> ${this.layer().length} elements`)
}

this.i = { linecap: 0, linejoin: 0, thickness: 5 }

this.toggle = function (type, mod = 1) {
if (type === 'linecap') {
const a = ['butt', 'square', 'round']
this.i.linecap += mod
this.style().strokeLinecap = a[this.i.linecap % a.length]
} else if (type === 'linejoin') {
const a = ['miter', 'round', 'bevel']
this.i.linejoin += mod
this.style().strokeLinejoin = a[this.i.linejoin % a.length]
} else if (type === 'fill') {
this.style().fill = this.style().fill === 'none' ? this.style().color : 'none'
} else if (type === 'thickness') {
this.style().thickness = clamp(this.style().thickness + mod, 1, 100)
} else if (type === 'mirror') {
this.style().mirror_style = this.style().mirror_style > 2 ? 0 : this.style().mirror_style + 1
} else {
console.warn('Unknown', type)
}
client.interface.update(true)
client.renderer.update()
}

this.misc = function (type) {
client.picker.start()
}

this.source = function (type) {
if (type === 'grid') { client.renderer.toggle() }
if (type === 'open') { client.source.open('grid', client.whenOpen) }
if (type === 'save') { client.source.write('dotgrid', 'grid', client.tool.export(), 'text/plain') }
if (type === 'export') { client.source.write('dotgrid', 'svg', client.manager.toString(), 'image/svg+xml') }
if (type === 'render') { client.manager.toPNG(client.tool.settings.size, (dataUrl) => { client.source.write('dotgrid', 'png', dataUrl, 'image/png') }) }
}

this.canAppend = function (content, index = this.index) {
for (const id in this.layer(index)) {
const stroke = this.layer(index)[id]
if (stroke.type !== content.type) { continue }
if (!stroke.vertices) { continue }
if (!stroke.vertices[stroke.vertices.length - 1]) { continue }
if (stroke.vertices[stroke.vertices.length - 1].x !== content.vertices[0].x) { continue }
if (stroke.vertices[stroke.vertices.length - 1].y !== content.vertices[0].y) { continue }
return id
}
return false
}

this.canCast = function (type) {
if (!type) { return false }
// Cannot cast close twice
if (type === 'close') {
const prev = this.layer()[this.layer().length - 1]
if (!prev || prev.type === 'close') {
return false
}
}
if (type === 'bezier') {
if (this.vertices.length !== 3 && this.vertices.length !== 5 && this.vertices.length !== 7 && this.vertices.length !== 9) {
return false
}
}
return this.vertices.length >= this.reqs[type]
}

this.paths = function () {
const l1 = new Generator(client.tool.layers[0], client.tool.styles[0]).toString({ x: 0, y: 0 }, 1)
const l2 = new Generator(client.tool.layers[1], client.tool.styles[1]).toString({ x: 0, y: 0 }, 1)
const l3 = new Generator(client.tool.layers[2], client.tool.styles[2]).toString({ x: 0, y: 0 }, 1)

return [l1, l2, l3]
}

this.path = function () {
return new Generator(client.tool.layer(), client.tool.style()).toString({ x: 0, y: 0 }, 1)
}

this.translate = function (a, b) {
for (const segmentId in this.layer()) {
const segment = this.layer()[segmentId]
for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
if (vertex.x === Math.abs(a.x) && vertex.y === Math.abs(a.y)) {
segment.vertices[vertexId] = { x: Math.abs(b.x), y: Math.abs(b.y) }
}
}
}
client.history.push(this.layers)
this.clear()
client.renderer.update()
}

this.translateMulti = function (a, b) {
const offset = { x: a.x - b.x, y: a.y - b.y }
const segment = this.selectSegmentAt(a)

if (!segment) { return }

for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
segment.vertices[vertexId] = { x: vertex.x - offset.x, y: vertex.y - offset.y }
}

client.history.push(this.layers)
this.clear()
client.renderer.update()
}

this.translateLayer = function (a, b) {
const offset = { x: a.x - b.x, y: a.y - b.y }
for (const segmentId in this.layer()) {
const segment = this.layer()[segmentId]
for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
segment.vertices[vertexId] = { x: vertex.x - offset.x, y: vertex.y - offset.y }
}
}
client.history.push(this.layers)
this.clear()
client.renderer.update()
}

this.translateCopy = function (a, b) {
const offset = { x: a.x - b.x, y: a.y - b.y }
const segment = this.selectSegmentAt(a, copy(this.layer()))

if (!segment) { return }

for (const vertexId in segment.vertices) {
const vertex = segment.vertices[vertexId]
segment.vertices[vertexId] = { x: vertex.x - offset.x, y: vertex.y - offset.y }
}
this.layer().push(segment)

client.history.push(this.layers)
this.clear()
client.renderer.update()
}

this.merge = function () {
const merged = [].concat(this.layers[0]).concat(this.layers[1]).concat(this.layers[2])
this.erase()
this.layers[this.index] = merged

client.history.push(this.layers)
this.clear()
client.renderer.update()
}

// Style

this.style = function () {
if (!this.styles[this.index]) {
this.styles[this.index] = []
}
return this.styles[this.index]
}

// Layers

this.layer = function (index = this.index) {
if (!this.layers[index]) {
this.layers[index] = []
}
return this.layers[index]
}

this.selectLayer = function (id) {
this.index = clamp(id, 0, 2)
this.clear()
client.renderer.update()
client.interface.update(true)
console.log(`layer:${this.index}`)
}

this.selectNextLayer = function () {
this.index = this.index >= 2 ? 0 : this.index++
this.selectLayer(this.index)
}

this.selectPrevLayer = function () {
this.index = this.index >= 0 ? 2 : this.index--
this.selectLayer(this.index)
}

function copy (data) { return data ? JSON.parse(JSON.stringify(data)) : [] }
function clamp (v, min, max) { return v < min ? min : v > max ? max : v }
}