Sketchy/Web/js/main.js
Mahdi Dibaiee c65a36f109 Shapes
2014-02-12 13:53:31 +03:30

141 lines
4.2 KiB
JavaScript

"use strict";
$(document).ready(function() {
window.c = $('canvas')[0].getContext('2d');
window.o = $('canvas')[1].getContext('2d');
window.c.clear = window.o.clear = function() {
this.clearRect(0, 0, width(), height());
}
window.settings = {
lineWidth : 2,
color : 'black',
type: 'sketch',
lineCap: 'round',
lineJoin: 'round',
furLength: 5,
connectTelorance: 40,
composite: 'source-over',
shape: 'circle',
shapePoints: []
};
window.points = [];
window.$c = $('canvas');
window.points.history = [{ data: c.createImageData($c.width(), $c.height()), points: []}];
window.points.history.last = 0;
sizeAndPos();
//$(window).resize(sizeAndPos);
$('.color-picker').change(function() {
var c = $(this).find('.color').val();
settings.color = c;
$('#setcolor span').html(c);
})
$('.color').val('#000000');
yepnope({
test: window.mobile,
yep : ['js/libs/touch.js', 'js/mobile.js', 'js/libs/color-picker-touch.js'],
nope: ['js/desktop.js', 'js/libs/color-picker.js']
})
function save() {
switch(save.background) {
case 'white': {
c.fillStyle = 'white';
c.globalCompositeOperation = 'destination-over';
c.fillRect(0, 0, width(), height());
c.fillStyle = settings.color;
c.globalCompositeOperation = settings.composite;
break;
}
case 'current color': {
c.fillStyle = settings.color;
c.globalCompositeOperation = 'destination-over';
c.fillRect(0, 0, width(), height());
c.fillStyle = settings.color;
c.globalCompositeOperation = settings.composite;
break;
}
}
var data = $c[0].toDataURL();
if( save.type == 'sketchy project' ) {
if( localStorage.getItem(save['file name']) ) {
if( confirm('A sketch with this name already exists. Do you want to overwrite ' + save['file name']) + '?' ) {
localStorage.setItem(save['file name'], JSON.stringify({data: data, points: window.points}));
}
}
else
localStorage.setItem(save['file name'], JSON.stringify({data: data, points: window.points}));
} else {
window.open(data, '_blank').focus();
}
c.putImageData(window.points.history[window.points.history.last].data, 0, 0);
}
function load() {
var file = JSON.parse(localStorage.getItem(load.file));
var img = document.createElement('img');
img.src = file.data;
img.onload = function() {
c.clearRect(0, 0, width(), height());
c.drawImage(img, 0, 0);
window.points = file.points;
window.points.history = [{ data: c.createImageData($c.width(), $c.height()), points: []}, { data: c.getImageData(0, 0, width(), height()), points: file.points}];
}
}
window.load = load;
window.save = save;
// TODO: Check for Update
var request = navigator.mozApps.getInstalled();
request.onsuccess = function() {
var app = this.result[0];
var latest = $.ajax({url:'manifest-web.webapp'});
var selfApp = navigator.mozApps.getSelf();
/*selfApp.onsuccess = function() {
if(this.result) {
latest.onload = function() {
if( this.response ) {
var lapp = JSON.parse(this.response);
alert(lapp.version);
alert(app.manifest.version);
if( lapp.version != app.manifest.version &&
confirm('A new version of this app is available, do you want to update?')) {
var ins = navigator.mozApps.install();
ins.onsuccess = function() {
alert('The app was installed successfuly');
}
ins.onerror = function() {
alert('There was an error installing app - ' + this.error.name)
}
}
}
}
}
}*/
if( !app && confirm('Do you want to Install this app?') ) {
var ins = navigator.mozApps.install('http://mdibaiee.github.io/Sketchy/Web/manifest-web.webapp');
ins.onsuccess = function() {
alert('The app was installed successfuly');
}
ins.onerror = function() {
alert('There was an error installing app')
console.log(this.error);
}
}
}
request.onerror = function() {
alert('An error occured while trying to check for updates');
}
})