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import SVGArray from './SVGArray.js'
import parser from '../modules/core/parser.js'
import Box from './Box.js'
import { pathParser } from '../utils/pathParser.js'
function arrayToString (a) {
let s = ''
for (let i = 0, il = a.length; i < il; i++) {
s += a[i][0]
if (a[i][1] != null) {
s += a[i][1]
if (a[i][2] != null) {
s += ' '
s += a[i][2]
if (a[i][3] != null) {
s += ' '
s += a[i][3]
s += ' '
s += a[i][4]
if (a[i][5] != null) {
s += ' '
s += a[i][5]
s += ' '
s += a[i][6]
if (a[i][7] != null) {
s += ' '
s += a[i][7]
}
}
}
}
}
}
return s + ' '
}
export default class PathArray extends SVGArray {
// Get bounding box of path
bbox () {
parser().path.setAttribute('d', this.toString())
return new Box(parser.nodes.path.getBBox())
}
// Move path string
move (x, y) {
// get bounding box of current situation
const box = this.bbox()
// get relative offset
x -= box.x
y -= box.y
if (!isNaN(x) && !isNaN(y)) {
// move every point
for (var l, i = this.length - 1; i >= 0; i--) {
l = this[i][0]
if (l === 'M' || l === 'L' || l === 'T') {
this[i][1] += x
this[i][2] += y
} else if (l === 'H') {
this[i][1] += x
} else if (l === 'V') {
this[i][1] += y
} else if (l === 'C' || l === 'S' || l === 'Q') {
this[i][1] += x
this[i][2] += y
this[i][3] += x
this[i][4] += y
if (l === 'C') {
this[i][5] += x
this[i][6] += y
}
} else if (l === 'A') {
this[i][6] += x
this[i][7] += y
}
}
}
return this
}
// Absolutize and parse path to array
parse (d = 'M0 0') {
if (Array.isArray(d)) {
d = Array.prototype.concat.apply([], d).toString()
}
return pathParser(d)
}
// Resize path string
size (width, height) {
// get bounding box of current situation
const box = this.bbox()
let i, l
// If the box width or height is 0 then we ignore
// transformations on the respective axis
box.width = box.width === 0 ? 1 : box.width
box.height = box.height === 0 ? 1 : box.height
// recalculate position of all points according to new size
for (i = this.length - 1; i >= 0; i--) {
l = this[i][0]
if (l === 'M' || l === 'L' || l === 'T') {
this[i][1] = ((this[i][1] - box.x) * width) / box.width + box.x
this[i][2] = ((this[i][2] - box.y) * height) / box.height + box.y
} else if (l === 'H') {
this[i][1] = ((this[i][1] - box.x) * width) / box.width + box.x
} else if (l === 'V') {
this[i][1] = ((this[i][1] - box.y) * height) / box.height + box.y
} else if (l === 'C' || l === 'S' || l === 'Q') {
this[i][1] = ((this[i][1] - box.x) * width) / box.width + box.x
this[i][2] = ((this[i][2] - box.y) * height) / box.height + box.y
this[i][3] = ((this[i][3] - box.x) * width) / box.width + box.x
this[i][4] = ((this[i][4] - box.y) * height) / box.height + box.y
if (l === 'C') {
this[i][5] = ((this[i][5] - box.x) * width) / box.width + box.x
this[i][6] = ((this[i][6] - box.y) * height) / box.height + box.y
}
} else if (l === 'A') {
// resize radii
this[i][1] = (this[i][1] * width) / box.width
this[i][2] = (this[i][2] * height) / box.height
// move position values
this[i][6] = ((this[i][6] - box.x) * width) / box.width + box.x
this[i][7] = ((this[i][7] - box.y) * height) / box.height + box.y
}
}
return this
}
// Convert array to string
toString () {
return arrayToString(this)
}
}
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