90 lines
3.1 KiB
JavaScript
90 lines
3.1 KiB
JavaScript
'use strict'
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DOTGRID.Renderer = function () {
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// Create SVG parts
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this.svg_el = document.createElementNS('http://www.w3.org/2000/svg', 'svg')
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this.svg_el.setAttribute('xmlns', 'http://www.w3.org/2000/svg')
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this.svg_el.setAttribute('baseProfile', 'full')
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this.svg_el.setAttribute('version', '1.1')
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this.svg_el.style.fill = 'none'
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this.layer_1 = document.createElementNS('http://www.w3.org/2000/svg', 'path')
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this.layer_2 = document.createElementNS('http://www.w3.org/2000/svg', 'path')
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this.layer_3 = document.createElementNS('http://www.w3.org/2000/svg', 'path')
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this.svg_el.appendChild(this.layer_3)
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this.svg_el.appendChild(this.layer_2)
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this.svg_el.appendChild(this.layer_1)
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this.update = function () {
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this.svg_el.setAttribute('width', (DOTGRID.tool.settings.size.width) + 'px')
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this.svg_el.setAttribute('height', (DOTGRID.tool.settings.size.height) + 'px')
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this.svg_el.style.width = (DOTGRID.tool.settings.size.width)
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this.svg_el.style.height = DOTGRID.tool.settings.size.height
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this.svg_el.style.strokeWidth = DOTGRID.tool.style().thickness
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let styles = DOTGRID.tool.styles
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let paths = DOTGRID.tool.paths()
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this.layer_1.style.strokeWidth = styles[0].thickness
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this.layer_1.style.strokeLinecap = styles[0].strokeLinecap
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this.layer_1.style.strokeLinejoin = styles[0].strokeLinejoin
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this.layer_1.style.stroke = styles[0].color
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this.layer_1.style.fill = styles[0].fill
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this.layer_1.setAttribute('d', paths[0])
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this.layer_2.style.strokeWidth = styles[1].thickness
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this.layer_2.style.strokeLinecap = styles[1].strokeLinecap
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this.layer_2.style.strokeLinejoin = styles[1].strokeLinejoin
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this.layer_2.style.stroke = styles[1].color
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this.layer_2.style.fill = styles[1].fill
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this.layer_2.setAttribute('d', paths[1])
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this.layer_3.style.strokeWidth = styles[2].thickness
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this.layer_3.style.strokeLinecap = styles[2].strokeLinecap
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this.layer_3.style.strokeLinejoin = styles[2].strokeLinejoin
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this.layer_3.style.stroke = styles[2].color
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this.layer_3.style.fill = styles[2].fill
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this.layer_3.setAttribute('d', paths[2])
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}
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this.svg64 = function () {
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this.update()
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let xml = new XMLSerializer().serializeToString(this.svg_el)
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let svg64 = btoa(xml)
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let b64Start = 'data:image/svg+xml;base64,'
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return b64Start + svg64
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}
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this.toPNG = function (size = DOTGRID.tool.settings.size, callback) {
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let image64 = this.svg64()
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let img = new Image()
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let canvas = document.createElement('canvas')
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canvas.width = (size.width) * 2
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canvas.height = (size.height) * 2
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let ctx = canvas.getContext('2d')
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img.onload = function () {
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ctx.drawImage(img, 0, 0, (size.width) * 2, (size.height) * 2)
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let data = canvas.toDataURL('image/png')
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callback(data, 'export.png')
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}
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img.src = image64
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}
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this.toSVG = function (callback) {
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const image64 = this.svg64()
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callback(image64, 'export.svg')
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}
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this.toGRID = function (callback) {
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const text = DOTGRID.tool.export()
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const file = new Blob([text], { type: 'text/plain' })
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callback(URL.createObjectURL(file), 'export.grid')
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}
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}
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