source: branches/HiveStatistics/sources/packages/jqPlot.1.0.0/content/Scripts/jqPlot/plugins/jqplot.logAxisRenderer.min.js @ 9617

/**
 * jqPlot
 * Pure JavaScript plotting plugin using jQuery
 *
 * Version: 1.0.0b2_r1012
 *
 * 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."
 *
 * included jsDate library by Chris Leonello:
 *
 * Copyright (c) 2010-2011 Chris Leonello
 *
 * jsDate is currently available for use in all personal or commercial projects 
 * under both the MIT and GPL version 2.0 licenses. This means that you can 
 * choose the license that best suits your project and use it accordingly.
 *
 * jsDate borrows many concepts and ideas from the Date Instance 
 * Methods by Ken Snyder along with some parts of Ken's actual code.
 * 
 * Ken's origianl Date Instance Methods and copyright notice:
 * 
 * Ken Snyder (ken d snyder at gmail dot com)
 * 2008-09-10
 * version 2.0.2 (http://kendsnyder.com/sandbox/date/)     
 * Creative Commons Attribution License 3.0 (http://creativecommons.org/licenses/by/3.0/)
 *
 * jqplotToImage function based on Larry Siden's export-jqplot-to-png.js.
 * Larry has generously given permission to adapt his code for inclusion
 * into jqPlot.
 *
 * Larry's original code can be found here:
 *
 * https://github.com/lsiden/export-jqplot-to-png
 * 
 * 
 */
(function(a){a.jqplot.LogAxisRenderer=function(){a.jqplot.LinearAxisRenderer.call(this);this.axisDefaults={base:10,tickDistribution:"power"}};a.jqplot.LogAxisRenderer.prototype=new a.jqplot.LinearAxisRenderer();a.jqplot.LogAxisRenderer.prototype.constructor=a.jqplot.LogAxisRenderer;a.jqplot.LogAxisRenderer.prototype.init=function(b){this.drawBaseline=true;this.minorTicks="auto";this._scalefact=1;a.extend(true,this,b);this._autoFormatString="%d";this._overrideFormatString=false;for(var c in this.renderer.axisDefaults){if(this[c]==null){this[c]=this.renderer.axisDefaults[c]}}this.resetDataBounds()};a.jqplot.LogAxisRenderer.prototype.createTicks=function(d){var G=this._ticks;var w=this.ticks;var s=this.name;var u=this._dataBounds;var b=(this.name.charAt(0)==="x")?this._plotDimensions.width:this._plotDimensions.height;var k;var N,v;var m,l;var M,K;var g=30;this._scalefact=(Math.max(b,g+1)-g)/300;if(w.length){for(K=0;K<w.length;K++){var A=w[K];var H=new this.tickRenderer(this.tickOptions);if(A.constructor==Array){H.value=A[0];H.label=A[1];if(!this.showTicks){H.showLabel=false;H.showMark=false}else{if(!this.showTickMarks){H.showMark=false}}H.setTick(A[0],this.name);this._ticks.push(H)}else{if(a.isPlainObject(A)){a.extend(true,H,A);H.axis=this.name;this._ticks.push(H)}else{H.value=A;if(!this.showTicks){H.showLabel=false;H.showMark=false}else{if(!this.showTickMarks){H.showMark=false}}H.setTick(A,this.name);this._ticks.push(H)}}}this.numberTicks=w.length;this.min=this._ticks[0].value;this.max=this._ticks[this.numberTicks-1].value}else{if(this.min==null&&this.max==null){N=u.min*(2-this.padMin);v=u.max*this.padMax;if(N==v){var c=0.05;N=N*(1-c);v=v*(1+c)}if(this.min!=null&&this.min<=0){throw ("log axis minimum must be greater than 0")}if(this.max!=null&&this.max<=0){throw ("log axis maximum must be greater than 0")}function f(j){var i=Math.pow(10,Math.floor(Math.log(j)/Math.LN10));return Math.ceil(j/i)*i}function x(j){var i=Math.pow(10,Math.floor(Math.log(j)/Math.LN10));return Math.floor(j/i)*i}var F,r;F=Math.pow(this.base,Math.floor(Math.log(N)/Math.log(this.base)));r=Math.pow(this.base,Math.ceil(Math.log(v)/Math.log(this.base)));var E=Math.round(Math.log(F)/Math.LN10);if(this.tickOptions==null||!this.tickOptions.formatString){this._overrideFormatString=true}this.min=F;this.max=r;var q=this.max-this.min;var C=(this.minorTicks==="auto")?0:this.minorTicks;var h;if(this.numberTicks==null){if(b>140){h=Math.round(Math.log(this.max/this.min)/Math.log(this.base)+1);if(h<2){h=2}if(C===0){var o=b/(h-1);if(o<100){C=0}else{if(o<190){C=1}else{if(o<250){C=3}else{if(o<600){C=4}else{C=9}}}}}}else{h=2;if(C===0){C=1}C=0}}else{h=this.numberTicks}if(E>=0&&C!==3){this._autoFormatString="%d"}else{if(E<=0&&C===3){var o=-(E-1);this._autoFormatString="%."+Math.abs(E-1)+"f"}else{if(E<0){var o=-E;this._autoFormatString="%."+Math.abs(E)+"f"}else{this._autoFormatString="%d"}}}var O,H,z,p,n,k;for(var K=0;K<h;K++){M=Math.pow(this.base,K-h+1)*this.max;H=new this.tickRenderer(this.tickOptions);if(this._overrideFormatString){H.formatString=this._autoFormatString}if(!this.showTicks){H.showLabel=false;H.showMark=false}else{if(!this.showTickMarks){H.showMark=false}}H.setTick(M,this.name);this._ticks.push(H);if(C&&K<h-1){p=Math.pow(this.base,K-h+2)*this.max;n=p-M;k=p/(C+1);for(var J=C-1;J>=0;J--){z=p-k*(J+1);H=new this.tickRenderer(this.tickOptions);if(this._overrideFormatString&&this._autoFormatString!=""){H.formatString=this._autoFormatString}if(!this.showTicks){H.showLabel=false;H.showMark=false}else{if(!this.showTickMarks){H.showMark=false}}H.setTick(z,this.name);this._ticks.push(H)}}}}else{if(this.min!=null&&this.max!=null){var y=a.extend(true,{},this.tickOptions,{name:this.name,value:null});var I,e;if(this.numberTicks==null&&this.tickInterval==null){var D=Math.max(b,g+1);var L=Math.ceil((D-g)/35+1);var B=a.jqplot.LinearTickGenerator.bestConstrainedInterval(this.min,this.max,L);this._autoFormatString=B[3];I=B[2];e=B[4];for(var K=0;K<I;K++){y.value=this.min+K*e;H=new this.tickRenderer(y);if(this._overrideFormatString&&this._autoFormatString!=""){H.formatString=this._autoFormatString}if(!this.showTicks){H.showLabel=false;H.showMark=false}else{if(!this.showTickMarks){H.showMark=false}}this._ticks.push(H)}}else{if(this.numberTicks!=null&&this.tickInterval!=null){I=this.numberTicks;for(var K=0;K<I;K++){y.value=this.min+K*this.tickInterval;H=new this.tickRenderer(y);if(this._overrideFormatString&&this._autoFormatString!=""){H.formatString=this._autoFormatString}if(!this.showTicks){H.showLabel=false;H.showMark=false}else{if(!this.showTickMarks){H.showMark=false}}this._ticks.push(H)}}}}}}};a.jqplot.LogAxisRenderer.prototype.pack=function(f,e){var r=parseInt(this.base,10);var y=this._ticks;var d=function(h){return Math.log(h)/Math.log(r)};var b=function(h){return Math.pow(Math.E,(Math.log(r)*h))};var u=d(this.max);var s=d(this.min);var m=e.max;var k=e.min;var o=(this._label==null)?false:this._label.show;for(var q in f){this._elem.css(q,f[q])}this._offsets=e;var g=m-k;var j=u-s;this.p2u=function(h){return b((h-k)*j/g+s)};this.u2p=function(h){return(d(h)-s)*g/j+k};if(this.name=="xaxis"||this.name=="x2axis"){this.series_u2p=function(h){return(d(h)-s)*g/j};this.series_p2u=function(h){return b(h*j/g+s)}}else{this.series_u2p=function(h){return(d(h)-u)*g/j};this.series_p2u=function(h){return b(h*j/g+u)}}if(this.show){if(this.name=="xaxis"||this.name=="x2axis"){for(var v=0;v<y.length;v++){var n=y[v];if(n.show&&n.showLabel){var c;if(n.constructor==a.jqplot.CanvasAxisTickRenderer&&n.angle){switch(n.labelPosition){case"auto":if(n.angle<0){c=-n.getWidth()+n._textRenderer.height*Math.sin(-n._textRenderer.angle)/2}else{c=-n._textRenderer.height*Math.sin(n._textRenderer.angle)/2}break;case"end":c=-n.getWidth()+n._textRenderer.height*Math.sin(-n._textRenderer.angle)/2;break;case"start":c=-n._textRenderer.height*Math.sin(n._textRenderer.angle)/2;break;case"middle":c=-n.getWidth()/2+n._textRenderer.height*Math.sin(-n._textRenderer.angle)/2;break;default:c=-n.getWidth()/2+n._textRenderer.height*Math.sin(-n._textRenderer.angle)/2;break}}else{c=-n.getWidth()/2}var z=this.u2p(n.value)+c+"px";n._elem.css("left",z);n.pack()}}if(o){var l=this._label._elem.outerWidth(true);this._label._elem.css("left",k+g/2-l/2+"px");if(this.name=="xaxis"){this._label._elem.css("bottom","0px")}else{this._label._elem.css("top","0px")}this._label.pack()}}else{for(var v=0;v<y.length;v++){var n=y[v];if(n.show&&n.showLabel){var c;if(n.constructor==a.jqplot.CanvasAxisTickRenderer&&n.angle){switch(n.labelPosition){case"auto":case"end":if(n.angle<0){c=-n._textRenderer.height*Math.cos(-n._textRenderer.angle)/2}else{c=-n.getHeight()+n._textRenderer.height*Math.cos(n._textRenderer.angle)/2}break;case"start":if(n.angle>0){c=-n._textRenderer.height*Math.cos(-n._textRenderer.angle)/2}else{c=-n.getHeight()+n._textRenderer.height*Math.cos(n._textRenderer.angle)/2}break;case"middle":c=-n.getHeight()/2;break;default:c=-n.getHeight()/2;break}}else{c=-n.getHeight()/2}var z=this.u2p(n.value)+c+"px";n._elem.css("top",z);n.pack()}}if(o){var x=this._label._elem.outerHeight(true);this._label._elem.css("top",m-g/2-x/2+"px");if(this.name=="yaxis"){this._label._elem.css("left","0px")}else{this._label._elem.css("right","0px")}this._label.pack()}}}}})(jQuery);