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Diffstat (limited to 'tipboard/static/js/lib/jqplot/plugins/jqplot.BezierCurveRenderer.js')
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diff --git a/tipboard/static/js/lib/jqplot/plugins/jqplot.BezierCurveRenderer.js b/tipboard/static/js/lib/jqplot/plugins/jqplot.BezierCurveRenderer.js new file mode 100644 index 0000000..1c7b031 --- /dev/null +++ b/tipboard/static/js/lib/jqplot/plugins/jqplot.BezierCurveRenderer.js @@ -0,0 +1,314 @@ +/** + * jqPlot + * Pure JavaScript plotting plugin using jQuery + * + * Version: 1.0.8 + * Revision: 1250 + * + * Copyright (c) 2009-2013 Chris Leonello + * jqPlot is currently available for use in all personal or commercial projects + * under both the MIT (http://www.opensource.org/licenses/mit-license.php) and GPL + * version 2.0 (http://www.gnu.org/licenses/gpl-2.0.html) licenses. This means that you can + * choose the license that best suits your project and use it accordingly. + * + * Although not required, the author would appreciate an email letting him + * know of any substantial use of jqPlot. You can reach the author at: + * chris at jqplot dot com or see http://www.jqplot.com/info.php . + * + * If you are feeling kind and generous, consider supporting the project by + * making a donation at: http://www.jqplot.com/donate.php . + * + * sprintf functions contained in jqplot.sprintf.js by Ash Searle: + * + * version 2007.04.27 + * author Ash Searle + * http://hexmen.com/blog/2007/03/printf-sprintf/ + * http://hexmen.com/js/sprintf.js + * The author (Ash Searle) has placed this code in the public domain: + * "This code is unrestricted: you are free to use it however you like." + * + */ +(function($) { + // Class: $.jqplot.BezierCurveRenderer.js + // Renderer which draws lines as stacked bezier curves. + // Data for the line will not be specified as an array of + // [x, y] data point values, but as a an array of [start piont, bezier curve] + // So, the line is specified as: [[xstart, ystart], [cp1x, cp1y, cp2x, cp2y, xend, yend]]. + $.jqplot.BezierCurveRenderer = function(){ + $.jqplot.LineRenderer.call(this); + }; + + $.jqplot.BezierCurveRenderer.prototype = new $.jqplot.LineRenderer(); + $.jqplot.BezierCurveRenderer.prototype.constructor = $.jqplot.BezierCurveRenderer; + + + // Method: setGridData + // converts the user data values to grid coordinates and stores them + // in the gridData array. + // Called with scope of a series. + $.jqplot.BezierCurveRenderer.prototype.setGridData = function(plot) { + // recalculate the grid data + var xp = this._xaxis.series_u2p; + var yp = this._yaxis.series_u2p; + // this._plotData should be same as this.data + var data = this.data; + this.gridData = []; + this._prevGridData = []; + // if seriesIndex = 0, fill to x axis. + // if seriesIndex > 0, fill to previous series data. + var idx = this.index; + if (data.length == 2) { + if (idx == 0) { + this.gridData = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[1][2]), yp.call(this._yaxis, data[1][3]), + xp.call(this._xaxis, data[1][4]), yp.call(this._yaxis, data[1][5])], + [xp.call(this._xaxis, data[1][4]), yp.call(this._yaxis, this._yaxis.min)], + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, this._yaxis.min)] + ]; + } + else { + var psd = plot.series[idx-1].data; + this.gridData = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[1][2]), yp.call(this._yaxis, data[1][3]), + xp.call(this._xaxis, data[1][4]), yp.call(this._yaxis, data[1][5])], + [xp.call(this._xaxis, psd[1][4]), yp.call(this._yaxis, psd[1][5])], + [xp.call(this._xaxis, psd[1][2]), yp.call(this._yaxis, psd[1][3]), + xp.call(this._xaxis, psd[1][0]), yp.call(this._yaxis, psd[1][1]), + xp.call(this._xaxis, psd[0][0]), yp.call(this._yaxis, psd[0][1])] + ]; + } + } + else { + if (idx == 0) { + this.gridData = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[2][0]), yp.call(this._yaxis, data[2][1]), + xp.call(this._xaxis, data[3][0]), yp.call(this._yaxis, data[3][1])], + [xp.call(this._xaxis, data[3][1]), yp.call(this._yaxis, this._yaxis.min)], + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, this._yaxis.min)] + ]; + } + else { + var psd = plot.series[idx-1].data; + this.gridData = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[2][0]), yp.call(this._yaxis, data[2][1]), + xp.call(this._xaxis, data[3][0]), yp.call(this._yaxis, data[3][1])], + [xp.call(this._xaxis, psd[3][0]), yp.call(this._yaxis, psd[3][1])], + [xp.call(this._xaxis, psd[2][0]), yp.call(this._yaxis, psd[2][1]), + xp.call(this._xaxis, psd[1][0]), yp.call(this._yaxis, psd[1][1]), + xp.call(this._xaxis, psd[0][0]), yp.call(this._yaxis, psd[0][1])] + ]; + } + } + }; + + // Method: makeGridData + // converts any arbitrary data values to grid coordinates and + // returns them. This method exists so that plugins can use a series' + // linerenderer to generate grid data points without overwriting the + // grid data associated with that series. + // Called with scope of a series. + $.jqplot.BezierCurveRenderer.prototype.makeGridData = function(data, plot) { + // recalculate the grid data + var xp = this._xaxis.series_u2p; + var yp = this._yaxis.series_u2p; + var gd = []; + var pgd = []; + // if seriesIndex = 0, fill to x axis. + // if seriesIndex > 0, fill to previous series data. + var idx = this.index; + if (data.length == 2) { + if (idx == 0) { + gd = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[1][2]), yp.call(this._yaxis, data[1][3]), + xp.call(this._xaxis, data[1][4]), yp.call(this._yaxis, data[1][5])], + [xp.call(this._xaxis, data[1][4]), yp.call(this._yaxis, this._yaxis.min)], + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, this._yaxis.min)] + ]; + } + else { + var psd = plot.series[idx-1].data; + gd = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[1][2]), yp.call(this._yaxis, data[1][3]), + xp.call(this._xaxis, data[1][4]), yp.call(this._yaxis, data[1][5])], + [xp.call(this._xaxis, psd[1][4]), yp.call(this._yaxis, psd[1][5])], + [xp.call(this._xaxis, psd[1][2]), yp.call(this._yaxis, psd[1][3]), + xp.call(this._xaxis, psd[1][0]), yp.call(this._yaxis, psd[1][1]), + xp.call(this._xaxis, psd[0][0]), yp.call(this._yaxis, psd[0][1])] + ]; + } + } + else { + if (idx == 0) { + gd = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[2][0]), yp.call(this._yaxis, data[2][1]), + xp.call(this._xaxis, data[3][0]), yp.call(this._yaxis, data[3][1])], + [xp.call(this._xaxis, data[3][1]), yp.call(this._yaxis, this._yaxis.min)], + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, this._yaxis.min)] + ]; + } + else { + var psd = plot.series[idx-1].data; + gd = [ + [xp.call(this._xaxis, data[0][0]), yp.call(this._yaxis, data[0][1])], + [xp.call(this._xaxis, data[1][0]), yp.call(this._yaxis, data[1][1]), + xp.call(this._xaxis, data[2][0]), yp.call(this._yaxis, data[2][1]), + xp.call(this._xaxis, data[3][0]), yp.call(this._yaxis, data[3][1])], + [xp.call(this._xaxis, psd[3][0]), yp.call(this._yaxis, psd[3][1])], + [xp.call(this._xaxis, psd[2][0]), yp.call(this._yaxis, psd[2][1]), + xp.call(this._xaxis, psd[1][0]), yp.call(this._yaxis, psd[1][1]), + xp.call(this._xaxis, psd[0][0]), yp.call(this._yaxis, psd[0][1])] + ]; + } + } + return gd; + }; + + + // called within scope of series. + $.jqplot.BezierCurveRenderer.prototype.draw = function(ctx, gd, options) { + var i; + ctx.save(); + if (gd.length) { + if (this.showLine) { + ctx.save(); + var opts = (options != null) ? options : {}; + ctx.fillStyle = opts.fillStyle || this.color; + ctx.beginPath(); + ctx.moveTo(gd[0][0], gd[0][1]); + ctx.bezierCurveTo(gd[1][0], gd[1][1], gd[1][2], gd[1][3], gd[1][4], gd[1][5]); + ctx.lineTo(gd[2][0], gd[2][1]); + if (gd[3].length == 2) { + ctx.lineTo(gd[3][0], gd[3][1]); + } + else { + ctx.bezierCurveTo(gd[3][0], gd[3][1], gd[3][2], gd[3][3], gd[3][4], gd[3][5]); + } + ctx.closePath(); + ctx.fill(); + ctx.restore(); + } + } + + ctx.restore(); + }; + + $.jqplot.BezierCurveRenderer.prototype.drawShadow = function(ctx, gd, options) { + // This is a no-op, shadows drawn with lines. + }; + + $.jqplot.BezierAxisRenderer = function() { + $.jqplot.LinearAxisRenderer.call(this); + }; + + $.jqplot.BezierAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer(); + $.jqplot.BezierAxisRenderer.prototype.constructor = $.jqplot.BezierAxisRenderer; + + + // Axes on a plot with Bezier Curves + $.jqplot.BezierAxisRenderer.prototype.init = function(options){ + $.extend(true, this, options); + var db = this._dataBounds; + // Go through all the series attached to this axis and find + // the min/max bounds for this axis. + for (var i=0; i<this._series.length; i++) { + var s = this._series[i]; + var d = s.data; + if (d.length == 4) { + for (var j=0; j<d.length; j++) { + if (this.name == 'xaxis' || this.name == 'x2axis') { + if (d[j][0] < db.min || db.min == null) { + db.min = d[j][0]; + } + if (d[j][0] > db.max || db.max == null) { + db.max = d[j][0]; + } + } + else { + if (d[j][1] < db.min || db.min == null) { + db.min = d[j][1]; + } + if (d[j][1] > db.max || db.max == null) { + db.max = d[j][1]; + } + } + } + } + else { + if (this.name == 'xaxis' || this.name == 'x2axis') { + if (d[0][0] < db.min || db.min == null) { + db.min = d[0][0]; + } + if (d[0][0] > db.max || db.max == null) { + db.max = d[0][0]; + } + for (var j=0; j<5; j+=2) { + if (d[1][j] < db.min || db.min == null) { + db.min = d[1][j]; + } + if (d[1][j] > db.max || db.max == null) { + db.max = d[1][j]; + } + } + } + else { + if (d[0][1] < db.min || db.min == null) { + db.min = d[0][1]; + } + if (d[0][1] > db.max || db.max == null) { + db.max = d[0][1]; + } + for (var j=1; j<6; j+=2) { + if (d[1][j] < db.min || db.min == null) { + db.min = d[1][j]; + } + if (d[1][j] > db.max || db.max == null) { + db.max = d[1][j]; + } + } + } + } + } + }; + + // setup default renderers for axes and legend so user doesn't have to + // called with scope of plot + function preInit(target, data, options) { + options = options || {}; + options.axesDefaults = $.extend(true, {pad:0}, options.axesDefaults); + options.seriesDefaults = options.seriesDefaults || {}; + options.legend = $.extend(true, {placement:'outside'}, options.legend); + // only set these if there is a pie series + var setopts = false; + if (options.seriesDefaults.renderer == $.jqplot.BezierCurveRenderer) { + setopts = true; + } + else if (options.series) { + for (var i=0; i < options.series.length; i++) { + if (options.series[i].renderer == $.jqplot.BezierCurveRenderer) { + setopts = true; + } + } + } + + if (setopts) { + options.axesDefaults.renderer = $.jqplot.BezierAxisRenderer; + } + } + + $.jqplot.preInitHooks.push(preInit); + +})(jQuery);
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