added vendor directory and gulp support for better dependency organization and compiling less and js files
removed timeline css and merged it with the theme css and added gulp support for a browser sync task as well for easier development removed composer package until the repo issue is resolved - added minified versions into the bower.json for when the repo issue is resolved
This commit is contained in:
David Miller
241
vendor/flot/jquery.flot.image.js
vendored
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241
vendor/flot/jquery.flot.image.js
vendored
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/* Flot plugin for plotting images.
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Copyright (c) 2007-2014 IOLA and Ole Laursen.
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Licensed under the MIT license.
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The data syntax is [ [ image, x1, y1, x2, y2 ], ... ] where (x1, y1) and
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(x2, y2) are where you intend the two opposite corners of the image to end up
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in the plot. Image must be a fully loaded Javascript image (you can make one
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with new Image()). If the image is not complete, it's skipped when plotting.
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There are two helpers included for retrieving images. The easiest work the way
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that you put in URLs instead of images in the data, like this:
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[ "myimage.png", 0, 0, 10, 10 ]
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Then call $.plot.image.loadData( data, options, callback ) where data and
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options are the same as you pass in to $.plot. This loads the images, replaces
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the URLs in the data with the corresponding images and calls "callback" when
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all images are loaded (or failed loading). In the callback, you can then call
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$.plot with the data set. See the included example.
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A more low-level helper, $.plot.image.load(urls, callback) is also included.
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Given a list of URLs, it calls callback with an object mapping from URL to
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Image object when all images are loaded or have failed loading.
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The plugin supports these options:
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series: {
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images: {
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show: boolean
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anchor: "corner" or "center"
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alpha: [ 0, 1 ]
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}
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}
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They can be specified for a specific series:
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$.plot( $("#placeholder"), [{
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data: [ ... ],
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images: { ... }
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])
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Note that because the data format is different from usual data points, you
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can't use images with anything else in a specific data series.
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Setting "anchor" to "center" causes the pixels in the image to be anchored at
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the corner pixel centers inside of at the pixel corners, effectively letting
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half a pixel stick out to each side in the plot.
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A possible future direction could be support for tiling for large images (like
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Google Maps).
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*/
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(function ($) {
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var options = {
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series: {
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images: {
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show: false,
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alpha: 1,
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anchor: "corner" // or "center"
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}
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}
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};
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$.plot.image = {};
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$.plot.image.loadDataImages = function (series, options, callback) {
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var urls = [], points = [];
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var defaultShow = options.series.images.show;
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$.each(series, function (i, s) {
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if (!(defaultShow || s.images.show))
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return;
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if (s.data)
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s = s.data;
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$.each(s, function (i, p) {
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if (typeof p[0] == "string") {
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urls.push(p[0]);
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points.push(p);
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}
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});
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});
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$.plot.image.load(urls, function (loadedImages) {
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$.each(points, function (i, p) {
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var url = p[0];
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if (loadedImages[url])
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p[0] = loadedImages[url];
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});
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callback();
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});
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}
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$.plot.image.load = function (urls, callback) {
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var missing = urls.length, loaded = {};
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if (missing == 0)
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callback({});
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$.each(urls, function (i, url) {
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var handler = function () {
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--missing;
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loaded[url] = this;
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if (missing == 0)
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callback(loaded);
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};
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$('<img />').load(handler).error(handler).attr('src', url);
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});
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};
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function drawSeries(plot, ctx, series) {
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var plotOffset = plot.getPlotOffset();
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if (!series.images || !series.images.show)
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return;
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var points = series.datapoints.points,
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ps = series.datapoints.pointsize;
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for (var i = 0; i < points.length; i += ps) {
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var img = points[i],
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x1 = points[i + 1], y1 = points[i + 2],
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x2 = points[i + 3], y2 = points[i + 4],
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xaxis = series.xaxis, yaxis = series.yaxis,
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tmp;
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// actually we should check img.complete, but it
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// appears to be a somewhat unreliable indicator in
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// IE6 (false even after load event)
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if (!img || img.width <= 0 || img.height <= 0)
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continue;
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if (x1 > x2) {
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tmp = x2;
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x2 = x1;
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x1 = tmp;
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}
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if (y1 > y2) {
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tmp = y2;
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y2 = y1;
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y1 = tmp;
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}
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// if the anchor is at the center of the pixel, expand the
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// image by 1/2 pixel in each direction
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if (series.images.anchor == "center") {
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tmp = 0.5 * (x2-x1) / (img.width - 1);
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x1 -= tmp;
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x2 += tmp;
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tmp = 0.5 * (y2-y1) / (img.height - 1);
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y1 -= tmp;
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y2 += tmp;
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}
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// clip
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if (x1 == x2 || y1 == y2 ||
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x1 >= xaxis.max || x2 <= xaxis.min ||
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y1 >= yaxis.max || y2 <= yaxis.min)
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continue;
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var sx1 = 0, sy1 = 0, sx2 = img.width, sy2 = img.height;
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if (x1 < xaxis.min) {
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sx1 += (sx2 - sx1) * (xaxis.min - x1) / (x2 - x1);
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x1 = xaxis.min;
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}
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if (x2 > xaxis.max) {
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sx2 += (sx2 - sx1) * (xaxis.max - x2) / (x2 - x1);
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x2 = xaxis.max;
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}
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if (y1 < yaxis.min) {
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sy2 += (sy1 - sy2) * (yaxis.min - y1) / (y2 - y1);
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y1 = yaxis.min;
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}
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if (y2 > yaxis.max) {
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sy1 += (sy1 - sy2) * (yaxis.max - y2) / (y2 - y1);
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y2 = yaxis.max;
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}
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x1 = xaxis.p2c(x1);
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x2 = xaxis.p2c(x2);
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y1 = yaxis.p2c(y1);
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y2 = yaxis.p2c(y2);
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// the transformation may have swapped us
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if (x1 > x2) {
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tmp = x2;
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x2 = x1;
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x1 = tmp;
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}
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if (y1 > y2) {
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tmp = y2;
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y2 = y1;
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y1 = tmp;
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}
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tmp = ctx.globalAlpha;
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ctx.globalAlpha *= series.images.alpha;
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ctx.drawImage(img,
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sx1, sy1, sx2 - sx1, sy2 - sy1,
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x1 + plotOffset.left, y1 + plotOffset.top,
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x2 - x1, y2 - y1);
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ctx.globalAlpha = tmp;
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}
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}
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function processRawData(plot, series, data, datapoints) {
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if (!series.images.show)
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return;
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// format is Image, x1, y1, x2, y2 (opposite corners)
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datapoints.format = [
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{ required: true },
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{ x: true, number: true, required: true },
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{ y: true, number: true, required: true },
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{ x: true, number: true, required: true },
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{ y: true, number: true, required: true }
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];
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}
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function init(plot) {
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plot.hooks.processRawData.push(processRawData);
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plot.hooks.drawSeries.push(drawSeries);
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}
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$.plot.plugins.push({
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init: init,
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options: options,
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name: 'image',
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version: '1.1'
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});
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})(jQuery);
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