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/**
* o------------------------------------------------------------------------------o
* | This file is part of the RGraph package - you can learn more at: |
* | |
* | http://www.rgraph.net |
* | |
* | This package is licensed under the RGraph license. For all kinds of business |
* | purposes there is a small one-time licensing fee to pay and for non |
* | commercial purposes it is free to use. You can read the full license here: |
* | |
* | http://www.rgraph.net/LICENSE.txt |
* o------------------------------------------------------------------------------o
*/
if (typeof(RGraph) == 'undefined') RGraph = {};
/**
* The LED lights constructor
*
* @param object canvas The canvas object
* @param array data The chart data
*/
RGraph.LED = function (id, text)
{
// Get the canvas and context objects
this.id = id;
this.canvas = document.getElementById(id);
this.context = this.canvas.getContext ? this.canvas.getContext("2d") : null;
this.canvas.__object__ = this;
this.type = 'led';
this.isRGraph = true;
/**
* Compatibility with older browsers
*/
RGraph.OldBrowserCompat(this.context);
/**
* Set the string that is to be displayed
*/
this.text = text;
/**
* The letters and numbers
*/
this.lights = {
'a': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]],
'b': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0]],
'c': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,1],[0,1,1,0]],
'd': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,1,1,0]],
'e': [[1,1,1,1],[1,0,0,0],[1,0,0,0],[1,1,1,0],[1,0,0,0],[1,0,0,0],[1,1,1,1]],
'f': [[1,1,1,1],[1,0,0,0],[1,0,0,0],[1,1,1,0],[1,0,0,0],[1,0,0,0],[1,0,0,0]],
'g': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[1,0,1,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]],
'h': [[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,1,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]],
'i': [[0,1,1,1],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,1,1,1]],
'j': [[0,1,1,1],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,1,0,0]],
'k': [[1,0,0,1],[1,0,0,1],[1,0,1,0],[1,1,0,0],[1,0,1,0],[1,0,0,1],[1,0,0,1]],
'l': [[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,0,0,0],[1,1,1,1]],
'm': [[1,0,0,1],[1,1,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]],
'n': [[1,0,0,1],[1,1,0,1],[1,0,1,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1]],
'o': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]],
'p': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0],[1,0,0,0],[1,0,0,0],[1,0,0,0]],
'q': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,1,1],[0,1,1,1]],
'r': [[1,1,1,0],[1,0,0,1],[1,0,0,1],[1,1,1,0],[1,0,1,0],[1,0,0,1],[1,0,0,1]],
's': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[0,1,1,0],[0,0,0,1],[1,0,0,1],[0,1,1,0]],
't': [[1,1,1,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0],[0,1,0,0]],
'u': [[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]],
'v': [[1,0,1],[1,0,1],[1,0,1],[1,0,1],[1,0,1],[0,1,0],[0,1,0]],
'w': [[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,1,1,1],[0,1,1,0]],
'x': [[0,1,0,1],[0,1,0,1],[0,1,0,1],[0,0,1,0],[0,1,0,1],[0,1,0,1],[0,1,0,1]],
'y': [[0,1,0,1],[0,1,0,1],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0]],
'z': [[1,1,1,1],[0,0,0,1],[0,0,1,0],[0,0,1,0],[0,1,0,0],[1,0,0,0],[1,1,1,1]],
' ': [[],[],[],[],[], [], []],
'0': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[1,0,0,1],[0,1,1,0]],
'1': [[0,0,1,0],[0,1,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,0,1,0],[0,1,1,1]],
'2': [[0,1,1,0],[1,0,0,1],[0,0,0,1],[0,0,1,0],[0,1,,0],[1,0,0,0],[1,1,1,1]],
'3': [[0,1,1,0],[1,0,0,1],[0,0,0,1],[0,1,1,0],[0,0,0,1],[1,0,0,1],[0,1,1,0]],
'4': [[1,0,0,0],[1,0,0,0],[1,0,1,0],[1,0,1,0],[1,1,1,1],[0,0,1,0],[0,0,1,0]],
'5': [[1,1,1,1],[1,0,0,0],[1,0,0,0],[1,1,1,0],[0,0,0,1],[1,0,0,1],[0,1,1,0]],
'6': [[0,1,1,0],[1,0,0,1],[1,0,0,0],[1,1,1,0],[1,0,0,1],[1,0,0,1],[0,1,1,0]],
'7': [[1,1,1,1],[0,0,0,1],[0,0,0,1],[0,0,1,0],[0,1,0,0],[0,1,0,0],[0,1,0,0]],
'8': [[0,1,1,0],[1,0,0,1],[1,0,0,1],[0,1,1,0],[1,0,0,1],[1,0,0,1],[0,1,1,0]],
'9': [[0,1,1,1],[1,0,0,1],[1,0,0,1],[0,1,1,1],[0,0,0,1],[0,0,0,1],[0,0,0,1]]
}
// Various config type stuff
this.properties = {
'chart.background': 'white',
'chart.dark': '#eee',
'chart.light': '#f66',
'chart.zoom.factor': 1.5,
'chart.zoom.fade.in': true,
'chart.zoom.fade.out': true,
'chart.zoom.hdir': 'right',
'chart.zoom.vdir': 'down',
'chart.zoom.frames': 25,
'chart.zoom.delay': 16.666,
'chart.zoom.shadow': true,
'chart.zoom.background': true,
'chart.zoom.action': 'zoom',
'chart.resizable': false,
'chart.resize.handle.adjust': [0,0],
'chart.resize.handle.background': null,
'chart.width': null,
'chart.height': null
}
// Check for support
if (!this.canvas) {
alert('[LED] No canvas support');
return;
}
}
/**
* A setter
*
* @param name string The name of the property to set
* @param value mixed The value of the property
*/
RGraph.LED.prototype.Set = function (name, value)
{
this.properties[name.toLowerCase()] = value;
}
/**
* A getter
*
* @param name string The name of the property to get
*/
RGraph.LED.prototype.Get = function (name)
{
return this.properties[name.toLowerCase()];
}
/**
* This draws the LEDs
*/
RGraph.LED.prototype.Draw = function ()
{
/**
* Fire the onbeforedraw event
*/
RGraph.FireCustomEvent(this, 'onbeforedraw');
// First clear the canvas, using the background colour
RGraph.Clear(this.canvas, this.Get('chart.background'));
for (var l=0; l<this.text.length; l++) {
this.DrawLetter(this.text.charAt(l), l);
}
/**
* Set the title attribute on the canvas
*/
this.canvas.title = RGraph.rtrim(this.text);
/**
* Setup the context menu if required
*/
if (this.Get('chart.contextmenu')) {
RGraph.ShowContext(this);
}
/**
* This bit shows the mini zoom window if requested
*/
if (this.Get('chart.zoom.mode') == 'thumbnail' || this.Get('chart.zoom.mode') == 'area') {
RGraph.ShowZoomWindow(this);
}
/**
* This function enables resizing
*/
if (this.Get('chart.resizable')) {
RGraph.AllowResizing(this);
}
/**
* Fire the RGraph ondraw event
*/
RGraph.FireCustomEvent(this, 'ondraw');
}
/**
* Draws a single letter
*
* @param string lights The lights to draw to draw
* @param int index The position of the letter
*/
RGraph.LED.prototype.DrawLetter = function (letter, index)
{
var light = this.Get('chart.light');
var dark = this.Get('chart.dark');
var lights = (this.lights[letter] ? this.lights[letter] : [[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0],[0,0,0,0,0]]);
var lwidth = RGraph.GetWidth(this) / this.text.length;
var diameter = lwidth / 5;
var radius = diameter / 2;
var lheight = diameter * 7;
if (lheight > RGraph.GetHeight(this)) {
lheight = RGraph.GetHeight(this);
diameter = (lheight / 7);
radius = (diameter / 2);
lwidth = diameter * 5;
}
for (var i=0; i<7; i++) {
for (var j=0; j<5; j++) {
var x = (j * diameter) + (index * lwidth) + radius;
var y = ((i * diameter)) + radius;
// Draw a circle
this.context.fillStyle = (lights[i][j] ? light : dark);
this.context.strokeStyle = (lights[i][j] ? '#ccc' : 'rgba(0,0,0,0)');
this.context.beginPath();
this.context.arc(x, y, radius, 0, 6.28, 0);
this.context.stroke();
this.context.fill();
}
}
}
|
