-
-/*
- *
- * Copyright 2016 RIFT.IO Inc
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- *
- */
-// (function(window){
- /**!
- * @license
- * HTML5 Canvas Gauge implementation
- *
- * This code is subject to MIT license.
- *
- * Copyright (c) 2012 Mykhailo Stadnyk <mikhus@gmail.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy of
- * this software and associated documentation files (the "Software"), to deal in
- * the Software without restriction, including without limitation the rights to use,
- * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
- * Software, and to permit persons to whom the Software is furnished to do so,
- * subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all
- * copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- * @authors: Mykhailo Stadnyk <mikhus@gmail.com>
- * Chris Poile <poile@edwards.usask.ca>
- * Luca Invernizzi <http://www.lucainvernizzi.net>
- * Robert Blackburn <http://www.rwblackburn.com>
- */
-
- /**
- * @param {Object} config
- * @constructor
- */
- var Gauge = function (config) {
- Gauge.Collection.push(this);
-
- /**
- * Default gauge configuration
- * @struct
- */
- this.config = {
- isAggregate: false,
- renderTo: null,
- width: 200,
- height: 200,
- title: false,
- maxValue: 100,
- minValue: 0,
- majorTicks: [],
- minorTicks: 10,
- strokeTicks: true,
- units: false,
- valueFormat: { "int": 3, "dec": 2 },
- majorTicksFormat: { "int": 1, "dec": 0 },
- glow: true,
- animation: {
- delay: 10,
- duration: 250,
- fn: 'cycle'
- },
- colors: {
- plate: '#fff',
- majorTicks: '#444',
- minorTicks: '#666',
- title: '#888',
- units: '#888',
- numbers: '#444',
- needle: { start: 'rgba(240, 128, 128, 1)', end: 'rgba(255, 160, 122, .9)' }
- },
- highlights: [
- {
- from: 20,
- to: 60,
- color: '#eee'
- },
- {
- from: 60,
- to: 80,
- color: '#ccc'
- },
- {
- from: 80,
- to: 100,
- color: '#999'
- }
- ]
- };
-
- var
- value = 0,
- self = this,
- fromValue = 0,
- toValue = 0,
- imready = false
- ;
-
- /**
- * Sets a new value to gauge and updates the gauge view
- *
- * @param {number} val - the new value to set to the gauge
- * @return {Gauge} this - returns self
- */
- this.setValue = function (val) {
-
- fromValue = config.animation ? value : val;
-
- var dv = (config.maxValue - config.minValue) / 100;
-
- toValue = val > config.maxValue ?
- config.maxValue + dv :
- val < config.minValue ?
- config.minValue - dv :
- val
- ;
-
- value = val;
-
- if (toValue >= fromValue) {
- config.arrow = 'up';
- } else {
- config.arrow = 'down';
- }
-
- config.animation ? animate() : this.draw();
-
- return this;
- };
-
- /**
- * Sets a new value to gauge and updates the gauge view without
- * any animation (even if configured)
- *
- * @param {number} val - the new value to set to the gauge
- * @return {Gauge} this - returns self
- */
- this.setRawValue = function (val) {
- fromValue = value = val;
- this.draw();
- return this;
- };
-
- /**
- * Clears the value of the gauge
- * @return {Gauge}
- */
- this.clear = function () {
- value = fromValue = toValue = this.config.minValue;
- this.draw();
- return this;
- };
-
-
- /**
- * Returns the current value been set to the gauge
- *
- * @return {number} value - current gauge's value
- */
- this.getValue = function () {
- return value;
- };
-
- /**
- * Ready event for the gauge. Use it whenever you
- * initialize the gauge to be assured it was fully drawn
- * before you start the update on it
- *
- * @event {Function} onready
- */
- this.onready = function () {
- };
-
- function applyRecursive(dst, src) {
- for (var i in src) {
- // modification by Chris Poile, Oct 08, 2012. More correct check of an Array instance
- if (typeof src[i] == "object" && !(Object.prototype.toString.call(src[i]) === '[object Array]') && i != 'renderTo') {
- if (typeof dst[i] != "object") {
- dst[i] = {};
- }
-
- applyRecursive(dst[i], src[i]);
- } else {
- dst[i] = src[i];
- }
- }
- };
-
- applyRecursive(this.config, config);
-
- this.config.minValue = parseFloat(this.config.minValue);
- this.config.maxValue = parseFloat(this.config.maxValue);
-
- config = this.config;
- fromValue = value = config.minValue;
-
- if (!config.renderTo) {
- throw Error("Canvas element was not specified when creating the Gauge object!");
- }
-
- var
- canvas = config.renderTo.tagName ? config.renderTo : document.getElementById(config.renderTo),
- ctx = canvas.getContext('2d'),
- cache, CW, CH, CX, CY, max, cctx
- ;
-
- function baseInit() {
- canvas.width = config.width;
- canvas.height = config.height;
-
- cache = canvas.cloneNode(true);
- cctx = cache.getContext('2d');
- CW = canvas.width;
- CH = canvas.height;
- CX = CW / 2;
- CY = CH / 2;
- max = CX < CY ? CX : CY;
-
- cache.i8d = false;
-
- // translate cache to have 0, 0 in center
- cctx.translate(CX, CY);
- cctx.save();
-
- // translate canvas to have 0,0 in center
- ctx.translate(CX, CY);
- ctx.save();
- };
-
- // do basic initialization
- baseInit();
-
- /**
- * Updates the gauge config
- *
- * @param {Object} config
- * @return {Gauge}
- */
- this.updateConfig = function (config) {
- applyRecursive(this.config, config);
- baseInit();
- this.draw();
- return this;
- };
-
- var animateFx = {
- linear: function (p) {
- return p;
- },
- quad: function (p) {
- return Math.pow(p, 2);
- },
- quint: function (p) {
- return Math.pow(p, 5);
- },
- cycle: function (p) {
- return 1 - Math.sin(Math.acos(p));
- },
- bounce: function (p) {
- return 1 - (function (p) {
- for (var a = 0, b = 1; 1; a += b, b /= 2) {
- if (p >= (7 - 4 * a) / 11) {
- return -Math.pow((11 - 6 * a - 11 * p) / 4, 2) + Math.pow(b, 2);
- }
- }
- })(1 - p);
- },
- elastic: function (p) {
- return 1 - (function (p) {
- var x = 1.5;
- return Math.pow(2, 10 * (p - 1)) * Math.cos(20 * Math.PI * x / 3 * p);
- })(1 - p);
- }
- };
-
- var animateInterval = null;
-
- function _animate(opts) {
- var start = new Date;
-
- animateInterval = setInterval(function () {
- var
- timePassed = new Date - start,
- progress = timePassed / opts.duration
- ;
-
- if (progress > 1) {
- progress = 1;
- }
-
- var animateFn = typeof opts.delta == "function" ?
- opts.delta :
- animateFx[opts.delta]
- ;
-
- var delta = animateFn(progress);
- opts.step(delta);
-
- if (progress == 1) {
- clearInterval(animateInterval);
- }
- }, opts.delay || 10);
- };
-
- function animate() {
- animateInterval && clearInterval(animateInterval); // stop previous animation
- var
- path = (toValue - fromValue),
- from = fromValue,
- cfg = config.animation
- ;
-
- _animate({
- delay: cfg.delay,
- duration: cfg.duration,
- delta: cfg.fn,
- step: function (delta) {
- fromValue = parseFloat(from) + path * delta;
- self.draw();
- }
- });
- };
-
- // defaults
- ctx.lineCap = "round";
-
- /**
- * Drows the gauge. Normally this function should be used to
- * initally draw the gauge
- *
- * @return {Gauge} this - returns the self Gauge object
- */
- this.draw = function () {
- if (!cache.i8d) {
- // clear the cache
- cctx.clearRect(-CX, -CY, CW, CH);
- cctx.save();
-
- var tmp = {ctx: ctx};
- ctx = cctx;
-
- drawPlate();
- drawHighlights();
- drawMinorTicks();
- drawMajorTicks();
- drawNumbers();
- drawTitle();
- drawUnits();
-
- cache.i8d = true;
- ctx = tmp.ctx;
- delete tmp.ctx;
- }
-
- // clear the canvas
- ctx.clearRect(-CX, -CY, CW, CH);
- ctx.save();
-
- ctx.drawImage(cache, -CX, -CY, CW, CH);
-
- if (!Gauge.initialized) {
- var iv = setInterval(function () {
- if (!Gauge.initialized) {
- return;
- }
-
- clearInterval(iv);
-
- drawValueBox();
- drawNeedle();
- // drawArrow();
-
- if (!imready) {
- self.onready && self.onready();
- imready = true;
- }
- }, 10);
- } else {
- drawValueBox();
- drawNeedle();
- // drawArrow();
-
- if (!imready) {
- self.onready && self.onready();
- imready = true;
- }
- }
-
- return this;
- };
-
- /**
- * Transforms degrees to radians
- */
- function radians(degrees) {
- return degrees * Math.PI / 180;
- };
-
- /**
- * Linear gradient
- */
- function lgrad(clrFrom, clrTo, len) {
- var grad = ctx.createLinearGradient(0, 0, 0, len);
- grad.addColorStop(0, clrFrom);
- grad.addColorStop(1, clrTo);
-
- return grad;
- };
-
- function drawPlate() {
- var
- r0 = max / 100 * 93,
- d0 = max - r0,
- r1 = max / 100 * 91,
- d1 = max - r1,
- r2 = max / 100 * 88,
- d2 = max - r2,
- r3 = max / 100 * 85;
-
- ctx.save();
-
- if (config.glow) {
- ctx.shadowBlur = d0;
- ctx.shadowColor = 'rgba(0, 0, 0, 0.5)';
- }
-
- ctx.beginPath();
- ctx.arc(0, 0, r0, 0, Math.PI * 2, true);
- // ctx.fillStyle = lgrad( '#ddd', '#aaa', r0);
- ctx.fillStyle = lgrad('hsla(0, 0%, 17%, 1)', 'hsla(0, 0%, 0%, 1)', r0);
- //ctx.fill();
-
- //ctx.restore();
-
- ctx.beginPath();
- ctx.arc(0, 0, r1, 0, Math.PI * 2, true);
- // ctx.fillStyle = lgrad( '#fafafa', '#ccc', r1);
- ctx.fillStyle = lgrad('hsla(0, 0%, 47%, 1)', 'hsla(0, 0%, 33%, 1)', r1);
- //ctx.fill();
-
- ctx.beginPath();
- ctx.arc(0, 0, r2, 0, Math.PI * 2, true);
- // ctx.fillStyle = lgrad( '#eee', '#f0f0f0', r2);
- ctx.fillStyle = lgrad('hsla(0, 0%, 33%, 1)', 'hsla(0, 0%, 43%, 1)', r2);
- //ctx.fill();
-
- ctx.beginPath();
- ctx.arc(0, 0, r3, 0, Math.PI * 2, true);
- ctx.fillStyle = config.colors.plate;
- //ctx.fill();
-
- ctx.save();
- };
-
- /**
- * Formats a number for display on the dial's plate using the majorTicksFormat config option.
- *
- * @param {number} num The number to format
- * @returns {string} The formatted number
- */
- function formatMajorTickNumber(num) {
- var r, isDec = false;
-
- // First, force the correct number of digits right of the decimal.
- if (config.majorTicksFormat.dec === 0) {
- r = Math.round(num).toString();
- } else {
- r = num.toFixed(config.majorTicksFormat.dec);
- }
-
- // Second, force the correct number of digits left of the decimal.
- if (config.majorTicksFormat["int"] > 1) {
- // Does this number have a decimal?
- isDec = (r.indexOf('.') > -1);
-
- // Is this number a negative number?
- if (r.indexOf('-') > -1) {
- return '-' + [
- config.majorTicksFormat["int"] + config.majorTicksFormat.dec + 2 + (isDec ? 1 : 0) - r.length
- ].join('0') + r.replace('-', '');
- } else {
- return [
- config.majorTicksFormat["int"] + config.majorTicksFormat.dec + 1 + (isDec ? 1 : 0) - r.length
- ].join('0') + r;
- }
- } else {
- return r;
- }
- }
-
- // major ticks draw
- function drawMajorTicks() {
- var r = max / 100 * 81;
-
- ctx.lineWidth = 1;
- ctx.strokeStyle = config.colors.majorTicks;
- ctx.save();
-
- if (config.majorTicks.length === 0) {
- var numberOfDefaultTicks = 5;
- var tickSize = (config.maxValue - config.minValue) / numberOfDefaultTicks;
-
- for (var i = 0; i < numberOfDefaultTicks; i++) {
- config.majorTicks.push(formatMajorTickNumber(config.minValue + (tickSize * i)));
- }
- config.majorTicks.push(formatMajorTickNumber(config.maxValue));
- }
-
- for (var i = 0; i < config.majorTicks.length; ++i) {
- var a = 45 + i * (270 / (config.majorTicks.length - 1));
- ctx.rotate(radians(a));
-
- ctx.beginPath();
- ctx.moveTo(0, r);
- ctx.lineTo(0, r - max / 100 * 15);
- ctx.stroke();
-
- ctx.restore();
- ctx.save();
- }
-
- if (config.strokeTicks) {
- ctx.rotate(radians(90));
-
- ctx.beginPath();
- ctx.arc(0, 0, r, radians(45), radians(315), false);
- ctx.stroke();
- ctx.restore();
-
- ctx.save();
- }
- };
-
- // minor ticks draw
- function drawMinorTicks() {
- var r = max / 100 * 81;
-
- ctx.lineWidth = 1;
- ctx.strokeStyle = config.colors.minorTicks;
-
- ctx.save();
-
- var len = config.minorTicks * (config.majorTicks.length - 1);
-
- for (var i = 0; i < len; ++i) {
- var a = 45 + i * (270 / len);
- ctx.rotate(radians(a));
-
- ctx.beginPath();
- ctx.moveTo(0, r);
- ctx.lineTo(0, r - max / 100 * 7.5);
- ctx.stroke();
-
- ctx.restore();
- ctx.save();
- }
- };
-
- // tick numbers draw
- function drawNumbers() {
- //var r = max / 100 * 55;
- //
- //for (var i = 0; i < config.majorTicks.length; ++i) {
- // var
- // a = 45 + i * (270 / (config.majorTicks.length - 1)),
- // p = rpoint(r, radians(a))
- // ;
- //
- // ctx.font = 20 * (max / 200) + "px Arial";
- // ctx.fillStyle = config.colors.numbers;
- // ctx.lineWidth = 0;
- // ctx.textAlign = "center";
- // ctx.fillText(config.majorTicks[i], p.x, p.y + 3);
- //}
- };
-
- // title draw
- function drawTitle() {
- if (!config.title) {
- return;
- }
-
- ctx.save();
- ctx.font = 24 * (max / 200) + "px Arial";
- ctx.fillStyle = config.colors.title;
- ctx.textAlign = "center";
- ctx.fillText(config.title, 0, -max / 4.25);
- ctx.restore();
- };
-
- // units draw
- function drawUnits() {
- if (!config.units) {
- return;
- }
-
- ctx.save();
- ctx.font = 22 * (max / 200) + "px Arial";
- ctx.fillStyle = config.colors.units;
- ctx.textAlign = "center";
- ctx.fillText(config.units, 0, max / 3.25);
- ctx.restore();
- };
-
-
- function drawArrow() {
-
- if (config.arrow != "false") {
-
- if (config.arrow == "up") {
- var r = max / 100 * 2.0;
- y0 = max / 100 * 64;
- y1 = max / 100 * 55;
- y2 = max / 100 * 53;
- y3 = max / 100 * 50;
- y4 = max / 100 * 45;
- arrow_color = "rgba(107, 184, 20, 1)";
-
- var x0 = max / 100 * -8
- var x1 = max / 100 * -6
- var x2 = max / 100 * -1.5
- var x3 = max / 100 * 0
- var x4 = max / 100 * 1.5
- var x5 = max / 100 * 6
- var x6 = max / 100 * 8
-
- ctx.beginPath();
- ctx.moveTo(x0, y2);
- ctx.lineTo(x3 - r, y4 + r);
- ctx.arcTo(x3, y4 - r, x3 + r, y4 + r, r * 1.09);
- ctx.lineTo(x6, y2);
- ctx.arcTo(x6 + r/2.0, y2 + r/1.0, x5, y1, r*.9)
- ctx.lineTo(x4, y3);
- ctx.lineTo(x4, y0);
- ctx.arcTo(x3, y0 + r, x2, y0, r*.9);
- ctx.lineTo(x2, y3);
- ctx.lineTo(x1, y1);
- ctx.arcTo(x1 - r, y1 - r/2.0, x0, y2, r*1.09)
-
-
- ctx.closePath();
- ctx.fillStyle = arrow_color;
- ctx.fill();
- } else {
- var r = max / 100 * 2.0;
- var y0 = max / 100 * 45;
- var y1 = max / 100 * 54;
- var y2 = max / 100 * 56;
- var y3 = max / 100 * 59;
- var y4 = max / 100 * 64;
- var arrow_color = "rgba(252, 38, 50, 1)";
-
- var x0 = max / 100 * -8
- var x1 = max / 100 * -6
- var x2 = max / 100 * -1.5
- var x3 = max / 100 * 0
- var x4 = max / 100 * 1.5
- var x5 = max / 100 * 6
- var x6 = max / 100 * 8
-
- ctx.beginPath();
- ctx.moveTo(x0, y2);
- ctx.lineTo(x3 - r, y4 - r);
- ctx.arcTo(x3, y4 + r, x3 + r, y4 - r, r * 1.09);
- ctx.lineTo(x6, y2);
- ctx.arcTo(x6 + r/2.0, y2 - r/1.0, x5, y1, r*.9)
- ctx.lineTo(x4, y3);
- ctx.lineTo(x4, y0);
- ctx.arcTo(x3, y0 - r, x2, y0, r*.9);
- ctx.lineTo(x2, y3);
- ctx.lineTo(x1, y1);
- ctx.arcTo(x1 - r, y1 + r/2.0, x0, y2, r*1.09)
-
-
- ctx.closePath();
- ctx.fillStyle = arrow_color;
- ctx.fill();
- }
- ctx.save();
- ctx.restore();
- }
- }
-
- function padValue(val) {
- var cdec = config.valueFormat['dec']
- var cint = config.valueFormat['int']
-
- val = parseFloat(val);
- var n = (val < 0);
-
- val = Math.abs(val);
-
- if (cdec > 0) {
- val = val.toFixed(cdec).toString().split('.');
-
- for (var i = 0, s = cint - val[0].length; i < s; ++i) {
- val[0] = '0' + val[0];
- }
-
- val = (n ? '-' : '') + val[0] + '.' + val[1];
- } else {
- val = Math.round(val).toString();
-
- for (var i = 0, s = cint - val.length; i < s; ++i) {
- val = '0' + val;
- }
-
- val = (n ? '-' : '') + val
- }
-
- return val;
- };
-
- function rpoint(r, a) {
- var
- x = 0, y = r,
-
- sin = Math.sin(a),
- cos = Math.cos(a),
-
- X = x * cos - y * sin,
- Y = x * sin + y * cos
- ;
-
- return { x: X, y: Y };
- };
- function clearCircle(x, y, radius)
- {
- ctx.beginPath();
- ctx.arc(x, y, radius, 0, 2 * Math.PI, false);
- ctx.clip();
- ctx.clearRect(x - radius - 1, y - radius - 1,
- radius * 2 + 2, radius * 2 + 2);
-
- };
- // draws the highlight colors
- function drawHighlights() {
- ctx.save();
-
- var r1 = max / 100 * 81;
- var r2 = r1 - max / 100 * 15;
-
- for (var i = 0, s = config.highlights.length; i < s; i++) {
- var
- hlt = config.highlights[i],
- vd = (config.maxValue - config.minValue) / 270,
- sa = radians(45 + (hlt.from - config.minValue) / vd),
- ea = radians(45 + (hlt.to - config.minValue) / vd)
- ;
-
- ctx.beginPath();
-
- ctx.rotate(radians(90));
- ctx.arc(0, 0, r1, sa, ea, false);
- ctx.restore();
- ctx.save();
-
- var
- ps = rpoint(r2, sa),
- pe = rpoint(r1, sa)
- ;
- ctx.moveTo(ps.x, ps.y);
- ctx.lineTo(pe.x, pe.y);
-
- var
- ps1 = rpoint(r1, ea),
- pe1 = rpoint(r2, ea)
- ;
-
- ctx.lineTo(ps1.x, ps1.y);
- ctx.lineTo(pe1.x, pe1.y);
- ctx.lineTo(ps.x, ps.y);
-
- ctx.closePath();
-
- ctx.fillStyle = hlt.color;
- ctx.fill();
-
- ctx.beginPath();
- ctx.rotate(radians(90));
- ctx.arc(0, 0, r2, sa - 0.2, ea + 0.2, false);
- ctx.restore();
-
- ctx.closePath();
-
- ctx.fillStyle = config.colors.plate;
- ctx.fill();
- ctx.save();
- ctx.imageSmoothingEnabled = true
- //clearCircle(0, 0, 100)
-
- }
- };
-
- // drows the gauge needle
- function drawNeedle() {
- var
- r1 = 0 ,
- r2 = 0 ,
- rIn = max / 100 * 85,
- rOut = max / 100 * 63,
- rP = max / 100 * 59,
- pad1 = max / 100 * 3,
- pad2 = max / 100 * 2.5,
-
- shad = function () {
- ctx.shadowOffsetX = 2;
- ctx.shadowOffsetY = 2;
- ctx.shadowBlur = 10;
- // ctx.shadowColor = 'rgba(188, 143, 143, 0.45)';
- ctx.shadowColor = 'rgba(50, 50, 50, .3)';
- }
- ;
-
- shad();
-
- ctx.save();
-
- if (fromValue < 0) {
- fromValue = Math.abs(config.minValue - fromValue);
- } else if (config.minValue > 0) {
- fromValue -= config.minValue
- } else {
- fromValue = Math.abs(config.minValue) + fromValue;
- }
-
- ctx.rotate(radians(45 + fromValue / ((config.maxValue - config.minValue) / 270)));
-
- ctx.beginPath();
- ctx.lineTo(-pad2, rOut);
- ctx.lineTo(-pad2, rIn);
- ctx.lineTo(pad2, rIn);
- ctx.lineTo(pad2, rOut);
- ctx.lineTo(0, rP);
- ctx.closePath();
- ctx.strokeStyle = "#999"
- ctx.stroke();
-
- ctx.fillStyle = lgrad(
- config.colors.needle.start,
- config.colors.needle.end,
- rIn - rOut
- );
- ctx.fill();
-
- // ctx.beginPath();
- // ctx.lineTo(-_pad2, _rOut);
- // ctx.lineTo(-_pad2, _rIn);
- // ctx.lineTo(_pad2, _rIn);
- // ctx.lineTo(_pad2, _rOut);
- // ctx.lineTo(0, _rOut - 5);
- // ctx.closePath();
-
- // ctx.fillStyle = "#ccc"
- // ctx.fill();
-
- ctx.beginPath();
- ctx.lineTo(-pad2, rIn);
- ctx.lineTo(-pad2, rIn);
- ctx.lineTo(-pad1, 0);
- ctx.lineTo(-pad2, rOut);
- ctx.lineTo(pad2 / 2 - 2, rOut);
- ctx.closePath();
- ctx.fillStyle = 'rgba(255, 255, 255, 0.2)';
-
- //ctx.fill();
-
- ctx.restore();
-
- //shad();
-
- ctx.beginPath();
- ctx.arc(0, 0, r2 +.5, 0, Math.PI * 2, true);
- // ctx.fillStyle = lgrad( '#f0f0f0', '#ccc', r1);
- ctx.fillStyle = lgrad('#3b3b3b', '#121212', r1);
- //ctx.fill();
-
- ctx.restore();
-
- ctx.beginPath();
- ctx.arc(0, 0, r2, 0, Math.PI * 2, true);
- // ctx.fillStyle = lgrad( "#e8e8e8", "#f5f5f5", r2);
- ctx.fillStyle = 'rgba(255,255,255,1)';
- //ctx.fill();
- };
-
- function roundRect(x, y, w, h, r) {
- ctx.beginPath();
-
- ctx.moveTo(x + r, y);
- ctx.lineTo(x + w - r, y);
-
- ctx.quadraticCurveTo(x + w, y, x + w, y + r);
- ctx.lineTo(x + w, y + h - r);
-
- ctx.quadraticCurveTo(x + w, y + h, x + w - r, y + h);
- ctx.lineTo(x + r, y + h);
-
- ctx.quadraticCurveTo(x, y + h, x, y + h - r);
- ctx.lineTo(x, y + r);
-
- ctx.quadraticCurveTo(x, y, x + r, y);
-
- ctx.closePath();
- };
-
- // value box draw
- function drawValueBox() {
- ctx.save();
-
- ctx.font = 100 + " " + 73 * (max / 200) + "px 'roboto-light";
- var
- text = padValue(value),
- tw = ctx.measureText('-' + padValue(0)).width,
- y = max - max / 100 * 96,
- x = 0,
- th = 0.12 * max
- ;
-
- ctx.save();
-
- roundRect(
- -tw / 2 - 0.025 * max,
- y - th - 0.04 * max,
- tw + 0.05 * max,
- th + 0.07 * max,
- 0.025 * max
- );
-
- var grd = ctx.createRadialGradient(
- x,
- y - 0.12 * max - 0.025 * max + (0.12 * max + 0.045 * max) / 2,
- max / 10,
- x,
- y - 0.12 * max - 0.025 * max + (0.12 * max + 0.045 * max) / 2,
- max / 5
- );
-
- // grd.addColorStop( 0, "#888");
- // grd.addColorStop( 1, "#666");
-
- // ctx.strokeStyle = grd;
- // ctx.lineWidth = 0.05 * max;
- // ctx.stroke();
-
- // ctx.shadowBlur = 0.012 * max;
- // ctx.shadowColor = 'rgba(0, 0, 0, 1)';
-
- // ctx.fillStyle = "#babab2";
- // ctx.fill();
-
- // ctx.restore();
-
- // ctx.shadowOffsetX = 0.004 * max;
- // ctx.shadowOffsetY = 0.004 * max;
- // ctx.shadowBlur = 0.012 * max;
- // ctx.shadowColor = 'rgba(0, 0, 0, 0.3)';
-
- // ctx.fillStyle = "#444";
- ctx.fillStyle = "rgba(50,50,50,1)";
- // ctx.fillStyle = "rgba(50,50,50,1)";
- ctx.textAlign = "center";
-
- ctx.fillText(text, -x, y);
-
-
- ctx.save();
- ctx.font = 100 + " " + 20 * (max / 200) + "px 'roboto-light";
- //ctx.fillText(config.unit, -x, y + 30);
- ctx.restore();
-
- };
- };
-
-// initialize
- Gauge.initialized = false;
- (function () {
- var
- d = document,
- h = d.getElementsByTagName('head')[0],
- ie = navigator.userAgent.toLocaleLowerCase().indexOf('msie') != -1,
- url = 'fonts/digital-7-mono.' + (ie ? 'eot' : 'ttf'),
-
- // RW: don't use mono font, this was causing err in js console
- text = '',
-// text = "@font-face {" +
-// "font-family: 'Led';" +
-// "src: url('" + url + "');" +
-// "}",
- ss,
- r = d.createElement('style')
- ;
-
- r.type = 'text/css';
-
- if (ie) {
- h.appendChild(r);
- ss = r.styleSheet;
- ss.cssText = text;
- } else {
- try {
- r.appendChild(d.createTextNode(text));
- } catch (e) {
- r.cssText = text;
- }
-
- h.appendChild(r);
-
- ss = r.styleSheet ? r.styleSheet :
- (r.sheet || d.styleSheets[d.styleSheets.length - 1])
- ;
- }
-
- var iv = setInterval(function () {
- if (!d.body) {
- return;
- }
-
- clearInterval(iv);
-
- var dd = d.createElement('div');
-
- dd.style.fontFamily = 'Led';
- dd.style.position = 'absolute';
- dd.style.height = dd.style.width = 0;
- dd.style.overflow = 'hidden';
-
- dd.innerHTML = '.';
-
- d.body.appendChild(dd);
-
- setTimeout(function () { // no other way to handle font is rendered by a browser
- // just give the browser around 250ms to do that :(
- Gauge.initialized = true;
- dd.parentNode.removeChild(dd);
- }, 250);
- }, 1);
- })();
-
- Gauge.Collection = [];
- Gauge.Collection.get = function (id) {
- var self = this;
-
- if (typeof(id) == 'string') {
- for (var i = 0, s = self.length; i < s; i++) {
- var canvas = self[i].config.renderTo.tagName ? self[i].config.renderTo : document.getElementById(self[i].config.renderTo);
- if (canvas.getAttribute('id') == id) {
- return self[i];
- }
- }
- } else if (typeof(id) == 'number') {
- return self[id];
- } else {
- return null;
- }
- };
-
- function domReady(handler) {
- if (window.addEventListener) {
- window.addEventListener('DOMContentLoaded', handler, false);
- } else {
- window.attachEvent('onload', handler);
- }
- }
-
- domReady(function () {
- function toCamelCase(arr) {
- var str = arr[0];
- for (var i = 1, s = arr.length; i < s; i++) {
- str += arr[i].substr(0, 1).toUpperCase() + arr[i].substr(1, arr[i].length - 1);
- }
- return str;
- };
-
- function trim(str) {
- return str.replace(/^\s+|\s+$/g, '');
- };
-
- var c = document.getElementsByTagName('canvas');
-
- for (var i = 0, s = c.length; i < s; i++) {
-
- if (c[i].getAttribute('data-type') == 'canv-gauge') {
- var
- gauge = c[i],
- config = {},
- prop,
- w = parseInt(gauge.getAttribute('width'), 10),
- h = parseInt(gauge.getAttribute('height'), 10)
- ;
-
- config.renderTo = gauge;
-
- if (w) {
- config.width = w;
- }
-
- if (h) {
- config.height = h;
- }
-
- for (var ii = 0, ss = gauge.attributes.length; ii < ss; ii++) {
- prop = gauge.attributes.item(ii).nodeName;
-
- if (prop != 'data-type' && prop.substr(0, 5) == 'data-') {
- var
- cfgProp = prop.substr(5, prop.length - 5).toLowerCase().split('-'),
- attrValue = gauge.getAttribute(prop)
- ;
-
- if (!attrValue) {
- continue;
- }
-
- switch (cfgProp[0]) {
- case 'colors' :
- {
- if (cfgProp[1]) {
- if (!config.colors) {
- config.colors = {};
- }
-
- if (cfgProp[1] == 'needle') {
- var parts = attrValue.split(/\s+/);
-
- if (parts[0] && parts[1]) {
- config.colors.needle = { start: parts[0], end: parts[1] };
- }
- else {
- config.colors.needle = attrValue;
- }
- }
- else {
- cfgProp.shift();
- config.colors[toCamelCase(cfgProp)] = attrValue;
- }
- }
- break;
- }
- case 'highlights' :
- {
- if (!config.highlights) {
- config.highlights = [];
- }
-
- var hls = attrValue.match(/(?:(?:-?\d*\.)?(-?\d+){1,2} ){2}(?:(?:#|0x)?(?:[0-9A-F|a-f]){3,8}|rgba?\(.*?\))/g);
-
- for (var j = 0, l = hls.length; j < l; j++) {
- var
- cfg = trim(hls[j]).split(/\s+/),
- hlCfg = {}
- ;
-
- if (cfg[0] && cfg[0] != '') {
- hlCfg.from = cfg[0];
- }
-
- if (cfg[1] && cfg[1] != '') {
- hlCfg.to = cfg[1];
- }
-
- if (cfg[2] && cfg[2] != '') {
- hlCfg.color = cfg[2];
- }
-
- config.highlights.push(hlCfg);
- }
- break;
- }
- case 'animation' :
- {
- if (cfgProp[1]) {
- if (!config.animation) {
- config.animation = {};
- }
-
- if (cfgProp[1] == 'fn' && /^\s*function\s*\(/.test(attrValue)) {
- attrValue = eval('(' + attrValue + ')');
- }
-
- config.animation[cfgProp[1]] = attrValue;
- }
- break;
- }
- default :
- {
- var cfgName = toCamelCase(cfgProp);
-
- if (cfgName == 'onready') {
- continue;
- }
-
- if (cfgName == 'majorTicks') {
- attrValue = attrValue.split(/\s+/);
- }
- else if (cfgName == 'strokeTicks' || cfgName == 'glow') {
- attrValue = attrValue == 'true' ? true : false;
- }
- else if (cfgName == 'valueFormat') {
- var val = attrValue.split('.');
-
- if (val.length == 2) {
- attrValue = {
- 'int': parseInt(val[0], 10),
- 'dec': parseInt(val[1], 10)
- }
- }
- else {
- continue;
- }
- }
-
- config[cfgName] = attrValue;
- break;
- }
- }
- }
- }
-
- var g = new Gauge(config);
-
- if (gauge.getAttribute('data-value')) {
- g.setRawValue(parseFloat(gauge.getAttribute('data-value')));
- }
-
- if (gauge.getAttribute('data-onready')) {
- g.onready = function () {
- eval(this.config.renderTo.getAttribute('data-onready'));
- };
- }
-
- g.draw();
- }
- }
- });
-module.exports = Gauge;
- // window['Gauge'] = Gauge;
-
-// })(window);
projects / osm / UI.git / commitdiff