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web-app/js/jqplot-plugins/jqplot.BezierCurveRenderer.js
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/** | ||
* jqPlot | ||
* Pure JavaScript plotting plugin using jQuery | ||
* | ||
* Version: 1.0.0b2_r947 | ||
* | ||
* Copyright (c) 2009-2011 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(){ | ||
$.jqplot.LineRenderer.call(this); | ||
}; | ||
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$.jqplot.BezierCurveRenderer.prototype = new $.jqplot.LineRenderer(); | ||
$.jqplot.BezierCurveRenderer.prototype.constructor = $.jqplot.BezierCurveRenderer; | ||
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// 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])] | ||
]; | ||
} | ||
} | ||
}; | ||
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// 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; | ||
}; | ||
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// called within scope of series. | ||
$.jqplot.BezierCurveRenderer.prototype.draw = function(ctx, gd, options) { | ||
var i; | ||
ctx.save(); | ||
if (gd.length) { | ||
if (this.showLine) { | ||
ctx.save(); | ||
var opts = (options != null) ? options : {}; | ||
ctx.fillStyle = opts.fillStyle || this.color; | ||
ctx.beginPath(); | ||
ctx.moveTo(gd[0][0], gd[0][1]); | ||
ctx.bezierCurveTo(gd[1][0], gd[1][1], gd[1][2], gd[1][3], gd[1][4], gd[1][5]); | ||
ctx.lineTo(gd[2][0], gd[2][1]); | ||
if (gd[3].length == 2) { | ||
ctx.lineTo(gd[3][0], gd[3][1]); | ||
} | ||
else { | ||
ctx.bezierCurveTo(gd[3][0], gd[3][1], gd[3][2], gd[3][3], gd[3][4], gd[3][5]); | ||
} | ||
ctx.closePath(); | ||
ctx.fill(); | ||
ctx.restore(); | ||
} | ||
} | ||
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ctx.restore(); | ||
}; | ||
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$.jqplot.BezierCurveRenderer.prototype.drawShadow = function(ctx, gd, options) { | ||
// This is a no-op, shadows drawn with lines. | ||
}; | ||
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$.jqplot.BezierAxisRenderer = function() { | ||
$.jqplot.LinearAxisRenderer.call(this); | ||
}; | ||
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$.jqplot.BezierAxisRenderer.prototype = new $.jqplot.LinearAxisRenderer(); | ||
$.jqplot.BezierAxisRenderer.prototype.constructor = $.jqplot.BezierAxisRenderer; | ||
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// 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]; | ||
} | ||
} | ||
} | ||
} | ||
} | ||
}; | ||
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// 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.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; | ||
} | ||
} | ||
} | ||
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if (setopts) { | ||
options.axesDefaults.renderer = $.jqplot.BezierAxisRenderer; | ||
} | ||
} | ||
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$.jqplot.preInitHooks.push(preInit); | ||
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})(jQuery); |
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