--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/pyams_skin/resources/js/ext/flot/jquery.flot.symbol.js Thu Feb 13 11:43:31 2020 +0100
@@ -0,0 +1,98 @@
+/* Flot plugin that adds some extra symbols for plotting points.
+
+Copyright (c) 2007-2014 IOLA and Ole Laursen.
+Licensed under the MIT license.
+
+The symbols are accessed as strings through the standard symbol options:
+
+ series: {
+ points: {
+ symbol: "square" // or "diamond", "triangle", "cross", "plus", "ellipse", "rectangle"
+ }
+ }
+
+*/
+
+(function ($) {
+ // we normalize the area of each symbol so it is approximately the
+ // same as a circle of the given radius
+
+ var square = function (ctx, x, y, radius, shadow) {
+ // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2
+ var size = radius * Math.sqrt(Math.PI) / 2;
+ ctx.rect(x - size, y - size, size + size, size + size);
+ },
+ rectangle = function (ctx, x, y, radius, shadow) {
+ // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2
+ var size = radius * Math.sqrt(Math.PI) / 2;
+ ctx.rect(x - size, y - size, size + size, size + size);
+ },
+ diamond = function (ctx, x, y, radius, shadow) {
+ // pi * r^2 = 2s^2 => s = r * sqrt(pi/2)
+ var size = radius * Math.sqrt(Math.PI / 2);
+ ctx.moveTo(x - size, y);
+ ctx.lineTo(x, y - size);
+ ctx.lineTo(x + size, y);
+ ctx.lineTo(x, y + size);
+ ctx.lineTo(x - size, y);
+ ctx.lineTo(x, y - size);
+ },
+ triangle = function (ctx, x, y, radius, shadow) {
+ // pi * r^2 = 1/2 * s^2 * sin (pi / 3) => s = r * sqrt(2 * pi / sin(pi / 3))
+ var size = radius * Math.sqrt(2 * Math.PI / Math.sin(Math.PI / 3));
+ var height = size * Math.sin(Math.PI / 3);
+ ctx.moveTo(x - size / 2, y + height / 2);
+ ctx.lineTo(x + size / 2, y + height / 2);
+ if (!shadow) {
+ ctx.lineTo(x, y - height / 2);
+ ctx.lineTo(x - size / 2, y + height / 2);
+ ctx.lineTo(x + size / 2, y + height / 2);
+ }
+ },
+ cross = function (ctx, x, y, radius, shadow) {
+ // pi * r^2 = (2s)^2 => s = r * sqrt(pi)/2
+ var size = radius * Math.sqrt(Math.PI) / 2;
+ ctx.moveTo(x - size, y - size);
+ ctx.lineTo(x + size, y + size);
+ ctx.moveTo(x - size, y + size);
+ ctx.lineTo(x + size, y - size);
+ },
+ ellipse = function(ctx, x, y, radius, shadow, fill) {
+ if (!shadow) {
+ ctx.moveTo(x + radius, y);
+ ctx.arc(x, y, radius, 0, Math.PI * 2, false);
+ }
+ },
+ plus = function (ctx, x, y, radius, shadow) {
+ var size = radius * Math.sqrt(Math.PI / 2);
+ ctx.moveTo(x - size, y);
+ ctx.lineTo(x + size, y);
+ ctx.moveTo(x, y + size);
+ ctx.lineTo(x, y - size);
+ },
+ handlers = {
+ square: square,
+ rectangle: rectangle,
+ diamond: diamond,
+ triangle: triangle,
+ cross: cross,
+ ellipse: ellipse,
+ plus: plus
+ };
+
+ square.fill = true;
+ rectangle.fill = true;
+ diamond.fill = true;
+ triangle.fill = true;
+ ellipse.fill = true;
+
+ function init(plot) {
+ plot.drawSymbol = handlers;
+ }
+
+ $.plot.plugins.push({
+ init: init,
+ name: 'symbols',
+ version: '1.0'
+ });
+})(jQuery);