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<h1 class="page-title">Source: extensions/ext-shapes/ext-shapes.js</h1>
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<pre class="prettyprint source linenums"><code>/**
* @file ext-shapes.js
*
* @license MIT
*
* @copyright 2010 Christian Tzurcanu, 2010 Alexis Deveria
*
*/
const name = 'shapes'
const loadExtensionTranslation = async function (svgEditor) {
let translationModule
const lang = svgEditor.configObj.pref('lang')
try {
translationModule = await import(`./locale/${lang}.js`)
} catch (_error) {
console.warn(`Missing translation (${lang}) for ${name} - using 'en'`)
translationModule = await import('./locale/en.js')
}
svgEditor.i18next.addResourceBundle(lang, name, translationModule.default)
}
export default {
name,
async init () {
const svgEditor = this
const canv = svgEditor.svgCanvas
const { $id, $click } = canv
const svgroot = canv.getSvgRoot()
let lastBBox = {}
await loadExtensionTranslation(svgEditor)
const modeId = 'shapelib'
const startClientPos = {}
let curShape
let startX
let startY
return {
callback () {
if ($id('tool_shapelib') === null) {
const extPath = svgEditor.configObj.curConfig.extPath
const buttonTemplate = `
<se-explorerbutton id="tool_shapelib" title="${svgEditor.i18next.t(`${name}:buttons.0.title`)}" lib="${extPath}/ext-shapes/shapelib/"
src="shapelib.svg"></se-explorerbutton>
`
canv.insertChildAtIndex($id('tools_left'), buttonTemplate, 9)
$click($id('tool_shapelib'), () => {
if (this.leftPanel.updateLeftPanel('tool_shapelib')) {
canv.setMode(modeId)
}
})
}
},
mouseDown (opts) {
const mode = canv.getMode()
if (mode !== modeId) { return undefined }
const currentD = document.getElementById('tool_shapelib').dataset.draw
startX = opts.start_x
const x = startX
startY = opts.start_y
const y = startY
const curStyle = canv.getStyle()
startClientPos.x = opts.event.clientX
startClientPos.y = opts.event.clientY
curShape = canv.addSVGElementsFromJson({
element: 'path',
curStyles: true,
attr: {
d: currentD,
id: canv.getNextId(),
opacity: curStyle.opacity / 2,
style: 'pointer-events:none'
}
})
curShape.setAttribute('transform', 'translate(' + x + ',' + y + ') scale(0.005) translate(' + -x + ',' + -y + ')')
canv.recalculateDimensions(curShape)
lastBBox = curShape.getBBox()
return {
started: true
}
},
mouseMove (opts) {
const mode = canv.getMode()
if (mode !== modeId) { return }
const zoom = canv.getZoom()
const evt = opts.event
const x = opts.mouse_x / zoom
const y = opts.mouse_y / zoom
const tlist = curShape.transform.baseVal
const box = curShape.getBBox()
const left = box.x; const top = box.y
const newbox = {
x: Math.min(startX, x),
y: Math.min(startY, y),
width: Math.abs(x - startX),
height: Math.abs(y - startY)
}
let sx = (newbox.width / lastBBox.width) || 1
let sy = (newbox.height / lastBBox.height) || 1
// Not perfect, but mostly works...
let tx = 0
if (x < startX) {
tx = lastBBox.width
}
let ty = 0
if (y < startY) {
ty = lastBBox.height
}
// update the transform list with translate,scale,translate
const translateOrigin = svgroot.createSVGTransform()
const scale = svgroot.createSVGTransform()
const translateBack = svgroot.createSVGTransform()
translateOrigin.setTranslate(-(left + tx), -(top + ty))
if (!evt.shiftKey) {
const max = Math.min(Math.abs(sx), Math.abs(sy))
sx = max * (sx < 0 ? -1 : 1)
sy = max * (sy < 0 ? -1 : 1)
}
scale.setScale(sx, sy)
translateBack.setTranslate(left + tx, top + ty)
tlist.appendItem(translateBack)
tlist.appendItem(scale)
tlist.appendItem(translateOrigin)
canv.recalculateDimensions(curShape)
lastBBox = curShape.getBBox()
},
mouseUp (opts) {
const mode = canv.getMode()
if (mode !== modeId) { return undefined }
const keepObject = (opts.event.clientX !== startClientPos.x && opts.event.clientY !== startClientPos.y)
return {
keep: keepObject,
element: curShape,
started: false
}
}
}
}
}
</code></pre>
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