Sketchy/Web/js/main.js

171 lines
5.0 KiB
JavaScript
Executable File

"use strict";
$(document).ready(function() {
window.c = $('canvas')[0].getContext('2d');
window.o = $('canvas')[1].getContext('2d');
window.c.clear = window.o.clear = function() {
this.clearRect(0, 0, width(), height());
}
window.settings = {
stroke: true,
fill: false,
lineWidth : 2,
color : 'black',
type: 'sketch',
lineCap: 'round',
lineJoin: 'round',
furLength: 5,
connectTelorance: 40,
composite: 'source-over',
shape: 'circle',
shapeStart: {},
comShape: {},
drawingLine: [],
version: 1.2
};
window.points = [];
window.$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();
var caller = $(this).parent().attr('data-caller');
settings[caller] = c;
$('#set' + caller + ' span').html(c);
if( caller == 'bg' ) {
$c.first().css('background', 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.bg;
c.globalCompositeOperation = 'destination-over';
c.fillRect(0, 0, width(), height());
c.globalCompositeOperation = settings.composite;
break;
}
}
var data = $c[0].toDataURL();
if( save.type == 'sketchy project' ) {
var list = JSON.parse(localStorage.getItem('projects'));
if( list && list.some(function(a) { return a.name == save['file name'] }) ) {
if( confirm('A sketch with this name already exists. Do you want to overwrite ' + save['file name']) + '?' ) {
list.push({
name: save['file name'],
data: data,
points: window.points
})
localStorage.setItem('projects', JSON.stringify(list));
}
}
else
list ? list.push({
name: save['file name'],
data: data,
points: window.points
}) : list = [{
name: save['file name'],
data: data,
points: window.points
}];
localStorage.setItem('projects', JSON.stringify(list));
} else {
window.open(data, '_blank').focus();
}
c.putImageData(window.points.history[window.points.history.last].data, 0, 0);
}
function load() {
var file = JSON.parse(localStorage.getItem('projects')).filter(function(a) { return a.name == load.file })[0];
var img = document.createElement('img');
img.src = file.data;
img.onload = function() {
c.clearRect(0, 0, width(), height());
c.drawImage(img, 0, 0);
window.points = file.points;
window.points.history = [{ data: c.createImageData($c.width(), $c.height()), points: []}, { data: c.getImageData(0, 0, width(), height()), points: file.points}];
}
}
window.load = load;
window.save = save;
if( localStorage.getItem('sawTips') != settings.version ) {
$('.tour').removeClass('hidden');
localStorage.setItem('sawTips', settings.version);
}
// 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');
}*/
})