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author | Ulrich-Matthias Schäfer <ulima.ums@googlemail.com> | 2018-10-25 23:26:38 +0200 |
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committer | Ulrich-Matthias Schäfer <ulima.ums@googlemail.com> | 2018-10-25 23:26:38 +0200 |
commit | 464af8b747389b7fdb569a933591c863b9be0f6b (patch) | |
tree | a23da0d70a26c142616207b0a0a489affd2f3ac6 /src/patharray.js | |
parent | f46aedf58fbc93483cb21017ffed10e439830108 (diff) | |
download | svg.js-464af8b747389b7fdb569a933591c863b9be0f6b.tar.gz svg.js-464af8b747389b7fdb569a933591c863b9be0f6b.zip |
Rename files so that they reflect their exported classes (see next commit)
Diffstat (limited to 'src/patharray.js')
-rw-r--r-- | src/patharray.js | 289 |
1 files changed, 0 insertions, 289 deletions
diff --git a/src/patharray.js b/src/patharray.js deleted file mode 100644 index 4432df3..0000000 --- a/src/patharray.js +++ /dev/null @@ -1,289 +0,0 @@ -/* globals arrayToString, pathRegReplace */ - -var pathHandlers = { - M: function (c, p, p0) { - p.x = p0.x = c[0] - p.y = p0.y = c[1] - - return ['M', p.x, p.y] - }, - L: function (c, p) { - p.x = c[0] - p.y = c[1] - return ['L', c[0], c[1]] - }, - H: function (c, p) { - p.x = c[0] - return ['H', c[0]] - }, - V: function (c, p) { - p.y = c[0] - return ['V', c[0]] - }, - C: function (c, p) { - p.x = c[4] - p.y = c[5] - return ['C', c[0], c[1], c[2], c[3], c[4], c[5]] - }, - S: function (c, p) { - p.x = c[2] - p.y = c[3] - return ['S', c[0], c[1], c[2], c[3]] - }, - Q: function (c, p) { - p.x = c[2] - p.y = c[3] - return ['Q', c[0], c[1], c[2], c[3]] - }, - T: function (c, p) { - p.x = c[0] - p.y = c[1] - return ['T', c[0], c[1]] - }, - Z: function (c, p, p0) { - p.x = p0.x - p.y = p0.y - return ['Z'] - }, - A: function (c, p) { - p.x = c[5] - p.y = c[6] - return ['A', c[0], c[1], c[2], c[3], c[4], c[5], c[6]] - } -} - -var mlhvqtcsaz = 'mlhvqtcsaz'.split('') - -for (var i = 0, il = mlhvqtcsaz.length; i < il; ++i) { - pathHandlers[mlhvqtcsaz[i]] = (function (i) { - return function (c, p, p0) { - if (i === 'H') c[0] = c[0] + p.x - else if (i === 'V') c[0] = c[0] + p.y - else if (i === 'A') { - c[5] = c[5] + p.x - c[6] = c[6] + p.y - } else { - for (var j = 0, jl = c.length; j < jl; ++j) { - c[j] = c[j] + (j % 2 ? p.y : p.x) - } - } - - return pathHandlers[i](c, p, p0) - } - })(mlhvqtcsaz[i].toUpperCase()) -} - -// Path points array -SVG.PathArray = function (array, fallback) { - SVG.Array.call(this, array, fallback || [['M', 0, 0]]) -} - -// Inherit from SVG.Array -SVG.PathArray.prototype = new SVG.Array() -SVG.PathArray.prototype.constructor = SVG.PathArray - -SVG.extend(SVG.PathArray, { - // Convert array to string - toString: function () { - return arrayToString(this.value) - }, - toArray: function () { - return this.value.reduce(function (prev, curr) { - return [].concat.call(prev, curr) - }, []) - }, - // Move path string - move: function (x, y) { - // get bounding box of current situation - var 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.value.length - 1; i >= 0; i--) { - l = this.value[i][0] - - if (l === 'M' || l === 'L' || l === 'T') { - this.value[i][1] += x - this.value[i][2] += y - } else if (l === 'H') { - this.value[i][1] += x - } else if (l === 'V') { - this.value[i][1] += y - } else if (l === 'C' || l === 'S' || l === 'Q') { - this.value[i][1] += x - this.value[i][2] += y - this.value[i][3] += x - this.value[i][4] += y - - if (l === 'C') { - this.value[i][5] += x - this.value[i][6] += y - } - } else if (l === 'A') { - this.value[i][6] += x - this.value[i][7] += y - } - } - } - - return this - }, - // Resize path string - size: function (width, height) { - // get bounding box of current situation - var box = this.bbox() - var i, l - - // recalculate position of all points according to new size - for (i = this.value.length - 1; i >= 0; i--) { - l = this.value[i][0] - - if (l === 'M' || l === 'L' || l === 'T') { - this.value[i][1] = ((this.value[i][1] - box.x) * width) / box.width + box.x - this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y - } else if (l === 'H') { - this.value[i][1] = ((this.value[i][1] - box.x) * width) / box.width + box.x - } else if (l === 'V') { - this.value[i][1] = ((this.value[i][1] - box.y) * height) / box.height + box.y - } else if (l === 'C' || l === 'S' || l === 'Q') { - this.value[i][1] = ((this.value[i][1] - box.x) * width) / box.width + box.x - this.value[i][2] = ((this.value[i][2] - box.y) * height) / box.height + box.y - this.value[i][3] = ((this.value[i][3] - box.x) * width) / box.width + box.x - this.value[i][4] = ((this.value[i][4] - box.y) * height) / box.height + box.y - - if (l === 'C') { - this.value[i][5] = ((this.value[i][5] - box.x) * width) / box.width + box.x - this.value[i][6] = ((this.value[i][6] - box.y) * height) / box.height + box.y - } - } else if (l === 'A') { - // resize radii - this.value[i][1] = (this.value[i][1] * width) / box.width - this.value[i][2] = (this.value[i][2] * height) / box.height - - // move position values - this.value[i][6] = ((this.value[i][6] - box.x) * width) / box.width + box.x - this.value[i][7] = ((this.value[i][7] - box.y) * height) / box.height + box.y - } - } - - return this - }, - // Test if the passed path array use the same path data commands as this path array - equalCommands: function (pathArray) { - var i, il, equalCommands - - pathArray = new SVG.PathArray(pathArray) - - equalCommands = this.value.length === pathArray.value.length - for (i = 0, il = this.value.length; equalCommands && i < il; i++) { - equalCommands = this.value[i][0] === pathArray.value[i][0] - } - - return equalCommands - }, - // Make path array morphable - morph: function (pathArray) { - pathArray = new SVG.PathArray(pathArray) - - if (this.equalCommands(pathArray)) { - this.destination = pathArray - } else { - this.destination = null - } - - return this - }, - // Get morphed path array at given position - at: function (pos) { - // make sure a destination is defined - if (!this.destination) return this - - var sourceArray = this.value - var destinationArray = this.destination.value - var array = [] - var pathArray = new SVG.PathArray() - var i, il, j, jl - - // Animate has specified in the SVG spec - // See: https://www.w3.org/TR/SVG11/paths.html#PathElement - for (i = 0, il = sourceArray.length; i < il; i++) { - array[i] = [sourceArray[i][0]] - for (j = 1, jl = sourceArray[i].length; j < jl; j++) { - array[i][j] = sourceArray[i][j] + (destinationArray[i][j] - sourceArray[i][j]) * pos - } - // For the two flags of the elliptical arc command, the SVG spec say: - // Flags and booleans are interpolated as fractions between zero and one, with any non-zero value considered to be a value of one/true - // Elliptical arc command as an array followed by corresponding indexes: - // ['A', rx, ry, x-axis-rotation, large-arc-flag, sweep-flag, x, y] - // 0 1 2 3 4 5 6 7 - if (array[i][0] === 'A') { - array[i][4] = +(array[i][4] !== 0) - array[i][5] = +(array[i][5] !== 0) - } - } - - // Directly modify the value of a path array, this is done this way for performance - pathArray.value = array - return pathArray - }, - // Absolutize and parse path to array - parse: function (array) { - // if it's already a patharray, no need to parse it - if (array instanceof SVG.PathArray) return array.valueOf() - - // prepare for parsing - var s - var paramCnt = { 'M': 2, 'L': 2, 'H': 1, 'V': 1, 'C': 6, 'S': 4, 'Q': 4, 'T': 2, 'A': 7, 'Z': 0 } - - if (typeof array === 'string') { - array = array - .replace(SVG.regex.numbersWithDots, pathRegReplace) // convert 45.123.123 to 45.123 .123 - .replace(SVG.regex.pathLetters, ' $& ') // put some room between letters and numbers - .replace(SVG.regex.hyphen, '$1 -') // add space before hyphen - .trim() // trim - .split(SVG.regex.delimiter) // split into array - } else { - array = array.reduce(function (prev, curr) { - return [].concat.call(prev, curr) - }, []) - } - - // array now is an array containing all parts of a path e.g. ['M', '0', '0', 'L', '30', '30' ...] - var result = [] - var p = new SVG.Point() - var p0 = new SVG.Point() - var index = 0 - var len = array.length - - do { - // Test if we have a path letter - if (SVG.regex.isPathLetter.test(array[index])) { - s = array[index] - ++index - // If last letter was a move command and we got no new, it defaults to [L]ine - } else if (s === 'M') { - s = 'L' - } else if (s === 'm') { - s = 'l' - } - - result.push(pathHandlers[s].call(null, - array.slice(index, (index = index + paramCnt[s.toUpperCase()])).map(parseFloat), - p, p0 - ) - ) - } while (len > index) - - return result - }, - // Get bounding box of path - bbox: function () { - SVG.parser().path.setAttribute('d', this.toString()) - return SVG.parser.nodes.path.getBBox() - } - -}) |