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Diffstat (limited to 'wqflask/wqflask/static/packages/jqplot/plugins/jqplot.canvasAxisLabelRenderer.js')
| -rw-r--r-- | wqflask/wqflask/static/packages/jqplot/plugins/jqplot.canvasAxisLabelRenderer.js | 203 |
1 files changed, 0 insertions, 203 deletions
diff --git a/wqflask/wqflask/static/packages/jqplot/plugins/jqplot.canvasAxisLabelRenderer.js b/wqflask/wqflask/static/packages/jqplot/plugins/jqplot.canvasAxisLabelRenderer.js deleted file mode 100644 index 22f0bb79..00000000 --- a/wqflask/wqflask/static/packages/jqplot/plugins/jqplot.canvasAxisLabelRenderer.js +++ /dev/null @@ -1,203 +0,0 @@ -/** - * jqPlot - * Pure JavaScript plotting plugin using jQuery - * - * Version: 1.0.4 - * Revision: 1121 - * - * Copyright (c) 2009-2012 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.CanvasAxisLabelRenderer - * Renderer to draw axis labels with a canvas element to support advanced - * featrues such as rotated text. This renderer uses a separate rendering engine - * to draw the text on the canvas. Two modes of rendering the text are available. - * If the browser has native font support for canvas fonts (currently Mozila 3.5 - * and Safari 4), you can enable text rendering with the canvas fillText method. - * You do so by setting the "enableFontSupport" option to true. - * - * Browsers lacking native font support will have the text drawn on the canvas - * using the Hershey font metrics. Even if the "enableFontSupport" option is true - * non-supporting browsers will still render with the Hershey font. - * - */ - $.jqplot.CanvasAxisLabelRenderer = function(options) { - // Group: Properties - - // prop: angle - // angle of text, measured clockwise from x axis. - this.angle = 0; - // name of the axis associated with this tick - this.axis; - // prop: show - // wether or not to show the tick (mark and label). - this.show = true; - // prop: showLabel - // wether or not to show the label. - this.showLabel = true; - // prop: label - // label for the axis. - this.label = ''; - // prop: fontFamily - // CSS spec for the font-family css attribute. - // Applies only to browsers supporting native font rendering in the - // canvas tag. Currently Mozilla 3.5 and Safari 4. - this.fontFamily = '"Trebuchet MS", Arial, Helvetica, sans-serif'; - // prop: fontSize - // CSS spec for font size. - this.fontSize = '11pt'; - // prop: fontWeight - // CSS spec for fontWeight: normal, bold, bolder, lighter or a number 100 - 900 - this.fontWeight = 'normal'; - // prop: fontStretch - // Multiplier to condense or expand font width. - // Applies only to browsers which don't support canvas native font rendering. - this.fontStretch = 1.0; - // prop: textColor - // css spec for the color attribute. - this.textColor = '#666666'; - // prop: enableFontSupport - // true to turn on native canvas font support in Mozilla 3.5+ and Safari 4+. - // If true, label will be drawn with canvas tag native support for fonts. - // If false, label will be drawn with Hershey font metrics. - this.enableFontSupport = true; - // prop: pt2px - // Point to pixel scaling factor, used for computing height of bounding box - // around a label. The labels text renderer has a default setting of 1.4, which - // should be suitable for most fonts. Leave as null to use default. If tops of - // letters appear clipped, increase this. If bounding box seems too big, decrease. - // This is an issue only with the native font renderering capabilities of Mozilla - // 3.5 and Safari 4 since they do not provide a method to determine the font height. - this.pt2px = null; - - this._elem; - this._ctx; - this._plotWidth; - this._plotHeight; - this._plotDimensions = {height:null, width:null}; - - $.extend(true, this, options); - - if (options.angle == null && this.axis != 'xaxis' && this.axis != 'x2axis') { - this.angle = -90; - } - - var ropts = {fontSize:this.fontSize, fontWeight:this.fontWeight, fontStretch:this.fontStretch, fillStyle:this.textColor, angle:this.getAngleRad(), fontFamily:this.fontFamily}; - if (this.pt2px) { - ropts.pt2px = this.pt2px; - } - - if (this.enableFontSupport) { - if ($.jqplot.support_canvas_text()) { - this._textRenderer = new $.jqplot.CanvasFontRenderer(ropts); - } - - else { - this._textRenderer = new $.jqplot.CanvasTextRenderer(ropts); - } - } - else { - this._textRenderer = new $.jqplot.CanvasTextRenderer(ropts); - } - }; - - $.jqplot.CanvasAxisLabelRenderer.prototype.init = function(options) { - $.extend(true, this, options); - this._textRenderer.init({fontSize:this.fontSize, fontWeight:this.fontWeight, fontStretch:this.fontStretch, fillStyle:this.textColor, angle:this.getAngleRad(), fontFamily:this.fontFamily}); - }; - - // return width along the x axis - // will check first to see if an element exists. - // if not, will return the computed text box width. - $.jqplot.CanvasAxisLabelRenderer.prototype.getWidth = function(ctx) { - if (this._elem) { - return this._elem.outerWidth(true); - } - else { - var tr = this._textRenderer; - var l = tr.getWidth(ctx); - var h = tr.getHeight(ctx); - var w = Math.abs(Math.sin(tr.angle)*h) + Math.abs(Math.cos(tr.angle)*l); - return w; - } - }; - - // return height along the y axis. - $.jqplot.CanvasAxisLabelRenderer.prototype.getHeight = function(ctx) { - if (this._elem) { - return this._elem.outerHeight(true); - } - else { - var tr = this._textRenderer; - var l = tr.getWidth(ctx); - var h = tr.getHeight(ctx); - var w = Math.abs(Math.cos(tr.angle)*h) + Math.abs(Math.sin(tr.angle)*l); - return w; - } - }; - - $.jqplot.CanvasAxisLabelRenderer.prototype.getAngleRad = function() { - var a = this.angle * Math.PI/180; - return a; - }; - - $.jqplot.CanvasAxisLabelRenderer.prototype.draw = function(ctx, plot) { - // Memory Leaks patch - if (this._elem) { - if ($.jqplot.use_excanvas && window.G_vmlCanvasManager.uninitElement !== undefined) { - window.G_vmlCanvasManager.uninitElement(this._elem.get(0)); - } - - this._elem.emptyForce(); - this._elem = null; - } - - // create a canvas here, but can't draw on it untill it is appended - // to dom for IE compatability. - var elem = plot.canvasManager.getCanvas(); - - this._textRenderer.setText(this.label, ctx); - var w = this.getWidth(ctx); - var h = this.getHeight(ctx); - elem.width = w; - elem.height = h; - elem.style.width = w; - elem.style.height = h; - - elem = plot.canvasManager.initCanvas(elem); - - this._elem = $(elem); - this._elem.css({ position: 'absolute'}); - this._elem.addClass('jqplot-'+this.axis+'-label'); - - elem = null; - return this._elem; - }; - - $.jqplot.CanvasAxisLabelRenderer.prototype.pack = function() { - this._textRenderer.draw(this._elem.get(0).getContext("2d"), this.label); - }; - -})(jQuery);
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