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PresentationCanvas.html
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PresentationCanvas.html
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<!DOCTYPE html>
<meta charset="utf-8">
<script src="https://google-code-prettify.googlecode.com/svn/loader/run_prettify.js"></script>
<title>HTML5 : canvas</title>
<!-- Your Slides -->
<!-- One section is one slide -->
<section>
<!-- This is the first slide -->
<h1>HTML 5 : <span class="myColor">< canvas ></span> </h1>
<p class="floatingtext" >Présentation disponible sur <a href="https://github.com/">GitHub:</a> <br /><a href="https://github.com/maeberli/canvaspresentation">https://github.com/maeberli/canvaspresentation </a></p>
<footer class="clearfix">
<div style="width:50%;float:left;text-align:left">HE-Arc Neuchâtel, 2013</div>
<div style="width:50%;float:left;">Marco Aeberli & David Kühner</div>
</footer>
<div role="note">
MAE
</div>
</section>
<section>
<blockquote style="font-size: 55px;">
The canvas element provides scripts with a resolution-dependent bitmap canvas, which can be used for rendering graphs, game graphics, art, or other visual images on the fly.
</blockquote>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Introduction</h3>
<ul class="incremental">
<li>2004 <span class="myColor">>></span> Mac OS X WebKit </li>
<li>Standardisé par le <a href="">WHATWG</a><br/> Web Hypertext Application Technology Working Group</li>
<li>Inclus dans le HTML5 </li>
<li>Safari, Firefox, Opera, Chrome, Konqueror , IE9+</li>
<li>canvas <span class="myColor">=</span> toile </li>
</ul>
<div role="note">
DKU<br/>
Some notes. They are only visible using onstage shell.
</div>
</section>
<section>
<h3>Intéractions HTML5, JS et CSS</h3>
<ul>
<li>HTML5 fourni la toile</li>
<li>CSS defini la base de la toile (couleur, bordure, ...)</li>
<li>JS est la main qui dessine -> contexte graphique</li>
</ul>
<div class="canvasContainer">
<object type="image/svg+xml" data="./img/CanvasHTML5CSSJavaScript.svg" style="display:block; margin-left:50px;"></object>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Contexte graphique</h3>
<p class="floatingtext" >L'interaction avec le contexte graphique est faite en JavaScript.</p>
<ul class="incremental">
<li>Formes de base à disposition: <br />carré, cercle, secteur de cercle, texte...</li>
<li>Styles et couleurs du pinceau associé au contexte graphique: largeur, couleur de fond, ...</li>
<li>Utilisation semblable au contexte graphique de Java, Qt, etc.</li>
</ul>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h2>Éléments de base</h2>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Contexte</h3>
<div class="codingStyle myhtml">
<pre class="prettyprint lang-html">
<canvas id="myCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas></pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
<script>
var canvas = document.getElementById( "myCanvas" );
var c = canvas.getContext( "2d" );
var gl = canvas.getContext( "webgl" );
[ . . . ]
</script></pre>
</div>
<div role="note">
DKU<br/>
gl = canvas.getContext("webgl")
</div>
</section>
<section>
<h3>Line</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
c.moveTo(0,0);
c.lineTo(400,200);
c.stroke();</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="lineCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
DKU<br/>
c.stroke(); -> dessine le path
</div>
</section>
<section>
<h3>Path / arc</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
c.beginPath();
c.arc(200,100,40,0,2*Math.PI);
c.stroke();</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="arcCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
MAE<br/>
arc(x,y,r,start,stop)
</div>
</section>
<section>
<h3>Path / bezierCurveTo</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
c.beginPath();
c.moveTo(20,20);
c.bezierCurveTo(20,200,380,200,380,20);
c.stroke();</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="bezierCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
MAE<br/>
Bézier :<br />
c.moveTo(startPx,startPy);<br />
bezierCurveTo(cP1x,cP1y,cP2x,cP2y,endPx,endPy);
</div>
</section>
<section>
<h3>Text</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
c.font="30px Arial";
c.fillText("Hello World",120,90);
c.strokeText("Hello World",120,130);</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="textCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
DKU<br/>
font - defines the font properties for text<br />
fillText(text,x,y) - Draws "filled" text on the canvas<br />
strokeText(text,x,y) - Draws text on the canvas (no fill)
</div>
</section>
<section>
<h3>Gradient</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
var grd=c.createLinearGradient(0,0,400,200);
grd.addColorStop(0,"blue");
grd.addColorStop(1,"white");
c.fillStyle=grd;
c.fillRect(10,10,380,180);</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="gradientCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
DKU<br/>
1) définir une zone de dégradé<br />
2) définir les couleurs<br />
3) mettre le dégradé dans le fill et afficher une rectangle
</div>
</section>
<section>
<h3>Gradient like unicorns</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
var grd=c.createLinearGradient(0,0,400,0);
grd.addColorStop(0.0,"red");
grd.addColorStop(0.4,"yellow");
grd.addColorStop(0.7,"green");
grd.addColorStop(1.0,"lightblue");
c.strokeStyle=grd;
c.font="78px Arial";
c.strokeText("UNICORN",20,130);</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="unicornCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Transformations</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
c.fillStyle="gray";
c.fillRect(150,50,100,100);
c.fillStyle="black";
c.transform(1,0.1,-0.8,1.2,200,-50);
c.fillRect(150,50,100,100);</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="transfoCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
MAE<br/>
a Scales the drawing horizontally <br />
b Skew the the drawing horizontally <br />
c Skew the the drawing vertically <br />
d Scales the drawing vertically <br />
e Moves the the drawing horizontally -> y<br />
f Moves the the drawing vertically -> x
</div>
</section>
<section>
<h3>Image</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
var image = new Image();
image.onload = function () {
if (image.width != canvas.width)
canvas.width = image.width;
if (image.height != canvas.height)
canvas.height = image.height;
c.clearRect(0, 0, canvas.width, canvas.height);
c.drawImage(image, 0, 0, canvas.width, canvas.height);
}
image.src = "./img/red-panda.jpg";
</pre>
</div>
<div class="canvasContainer">
<canvas class="exCanvas" id="imageCanvas" width="400" height="200">
Your browser does not support the HTML5 canvas tag.
</canvas>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Filter</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function filterGray() {
if (canvas.width > 0 && canvas.height > 0) {
var imageData = c.getImageData(0, 0,
canvas.width, canvas.height);
var d = imageData.data;
for (var i = 0; i < d.length; i += 4) {
var r = d[i];
var g = d[i + 1];
var b = d[i + 2];
d[i] = d[i + 1] = d[i + 2] = (r+g+b)/3;
}
c.putImageData(imageData, 0, 0);
}
}
</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h2>Tutoriel</h2>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Objectif</h3>
<ul>
<li>Construction d'une courbe de Bézier quadratique.</li>
<li>Animation de la construction.</li>
<li>Affichage de la vraie courbe de Bézier.</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto.html" seamless></iframe>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 1 - But</h3>
<ul>
<li>Créer un fichier HTML5 avec une balise canvas.</li>
<li>Récupérer le contexte graphique avec JS</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step1_departure.html" seamless></iframe>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 1 - Code</h3>
<div class="codingStyle myhtml">
<pre class="prettyprint lang-html">
<body>
<canvas id="myCanvas" width="400" height="200"></canvas>
</body></pre>
</div>
<div class="codingStyle mycss">
<pre class="prettyprint lang-css">
canvas { border: 1px solid black; }</pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
window.onload = initContext;
var canvas = null;
var c = null;
function initContext() {
canvas = document.getElementById( 'myCanvas' );
c = canvas.getContext( '2d' );
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 2 - But</h3>
<ul>
<li>Affichage des trois points définissant la courbe de Bézier.</li>
<li>Ajout de labels, cordonnées et informations.</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step2_showPointInformations.html" seamless></iframe>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section onload="prettyPrint();">
<h3>Partie 2 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
var pA = null; // Begin of the curve
var pB = null; // Control point of the curve
var pC = null; // End of the curve
function Vector(x,y){
this.x=x;
this.y=y;
}</pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initContext() {
...
pA = new Vector( 60, 60 );
pB = new Vector( 70, 170 );
pC = new Vector( 380, 170);
drawPoint( pA, "pA" );
drawPoint( pB, "pB" );
drawPoint( pC, "pC" );
...
}</pre>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 2 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function drawPoint( point, title ) {
var location = "( " + point.x + ", " + point.y + " )";
var titleWidth = c.measureText( title );
var locationWidth = c.measureText( location );
// Set font style for current graphic context.
c.font = "12px sans-serif";
// Display the title and the location.
c.fillText( title, point.x-12-titleWidth.width, point.y + 12 );
c.fillText( location , point.x-12-locationWidth.width, point.y + 24 );
// Draw a circle at the specific position.
c.beginPath();
c.arc( point.x, point.y, 5, 0, Math.PI*2, true );
c.fill();
}</pre>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 3 - But</h3>
<ul>
<li>Affichage de la courbe de Bézier.</li>
<li>Changement de la couleur de la ligne en vert.</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step3_addBezierCurve.html" seamless></iframe>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 3 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function drawBezierCurve() {
// setup style.
c.strokeStyle = "#00FF00";
c.lineWidth = 3.0;
// define path.
c.beginPath();
c.moveTo( pA.x, pA.y );
c.quadraticCurveTo( pB.x, pB.y, pC.x, pC.y );
// draw path with a stroke.
c.stroke();
}</pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initContext() {
...
drawBezierCurve();
...
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 4 - But</h3>
<ul>
<li>Application du changement de la couleur uniquement dans le context drawBezierCurve().</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step4_applyStrockeStyleOnlyToBezier.html" seamless></iframe>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 4 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function drawBezierCurve() {
// save old graphical context style.
c.save();
...
// Change line color and draw the Bézier curve.
...
// restore old graphical context style.
c.restore();
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 5 - But</h3>
<ul>
<li>Affichage des points intermédiaire de la courbe de Bézier.</li>
<li>Affichage des ligne intermédiaire de la courbe de Bézier</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step5_drawIntermediatePoints.html" seamless></iframe>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 5 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initContext() {
...
for(var i = 0 ; i < 11 ; i++ ) {
drawBezierStep( pA, pB, pC, 1/10 * i );
}
...
}</pre>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 5 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function drawBezierStep( pA, pB, pC, t ) {
var vecAB = new Vector( pB.x-pA.x, pB.y-pA.y );
var vecBC = new Vector( pC.x-pB.x, pC.y-pB.y );
var pQ1 = new Vector( pA.x + vecAB.x * t, pA.y + vecAB.y * t );
var pQ2 = new Vector( pB.x + vecBC.x * t, pB.y + vecBC.y * t );
var vecQ1Q2 = new Vector( pQ2.x-pQ1.x, pQ2.y-pQ1.y );
var pQ = new Vector( pQ1.x + vecQ1Q2.x*t, pQ1.y + vecQ1Q2.y*t );
c.beginPath();
c.arc( pQ1.x, pQ1.y, 2, 0 , Math.PI*2, true );
c.arc( pQ2.x, pQ2.y, 2, 0 , Math.PI*2, true );
c.fill();
c.beginPath();
c.moveTo( pQ1.x, pQ1.y );
c.lineTo( pQ2.x, pQ2.y );
c.stroke();
c.beginPath();
c.arc( pQ.x, pQ.y, 3, 0, Math.PI*2, true );
c.fill();
}</pre>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 6 - But</h3>
<ul>
<li>Animation de l'ajout des lignes une à une.</li>
<li>Frequence d'une demi second.</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step6_animateIt.html" seamless></iframe>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 6 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
// New global variable, which holds the current animation step.
var step = 0;</pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
// method which is called periodically
function draw(){
if( step <= 10 ) {
drawBezierStep( pA, pB, pC, 1/10 * step );
step += 1;
} else {
step = 0;
initScene();
}
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 6 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initContext() {
canvas = document.getElementById( 'myCanvas' );
c = canvas.getContext( '2d' );
pA = new Vector( 60, 60 );
pB = new Vector( 70, 170 );
pC = new Vector( 380, 170);
initScene();
return setInterval( draw, 500 );
}
function initScene() {
c.clearRect( 0, 0, canvas.width, canvas.height );
drawPoint( pA, "pA" );
drawPoint( pB, "pB" );
drawPoint( pC, "pC" );
drawBezierCurve();
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 7 - But</h3>
<ul>
<li>Ajout de la courbe de Bézier (verte) optionel.</li>
<li>Ajout d'une checkbox pour controller la visibilité de la courbe verte</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step7_optionalBezierCurve.html" seamless></iframe>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 7 - Code</h3>
<div class="codingStyle myhtml">
<pre class="prettyprint lang-html">
<body>
<canvas id="myCanvas" width="400" height="200"></canvas><br />
<input type="checkbox" name="showCurve"
id="showCurve" />Show Bezier curve
</body></pre>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 7 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
// new variable global avec le checkbox objet.
var showCurve = null;</pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initContext() {
...
showCurve = document.getElementById( 'showCurve' );
showCurve.onchange = initScene;
...
}</pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initScene() {
...
if( showCurve.checked ) {
drawBezierCurve();
}
...
}</pre>
</div>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>Partie 8 - But</h3>
<ul>
<li>Ajout des slider pour positionner le point de control pB.</li>
<li>Réaffichage de la courbe après un changement d'un slider</li>
</ul>
<div class="iframeContainer">
<iframe class="tutoIframe" src="TutoPres/tuto_step8_addSliders.html" seamless></iframe>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 8 - Code</h3>
<div class="codingStyle myhtml">
<pre class="prettyprint lang-html">
<body>
<div id="container" class="clearfix">
<div id="leftBar">
<input type="range" name="yPos" id="yPos"
min="0" max="200" value="170" />
</div>
<div id="mainContent">
<canvas id="myCanvas" width="400" height="200">>/canvas>
<div id="bottomBar">
<input type="range" name="xPos" id="xPos"
min="0" max="400" value="100" />
<br/>
<input type="checkbox" name="showCurve"
id="showCurve" />Show Bezier curve
</div>
</div>
</div>
</body></pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 8 - Code</h3>
<div class="clearfix codingStyle mycss" style="width:100%">
<pre class="prettyprint lang-css" style="width:60%; float:left;">
#leftBar, #mainContent{
float: left;
}
#leftBar {
transform: rotate(90deg);
-webkit-transform:rotate(90deg);
-ms-transform: rotate(90deg);
width: 30px;
}
#leftBar input[type="range"] {
width : 200px;
}
#bottomBar input[type="range"] {
width : 400px;
}
</pre>
<pre class="prettyprint lang-css" style="width:40%; border-left: 1px #BBB solid; padding-left:25px; float:left;">
.clearfix:after {
content: ".";
display: block;
clear: both;
visibility: hidden;
line-height: 0;
height: 0;
}
.clearfix {
display: inline-block;
}
html[xmlns] .clearfix {
display: block;
}
* html .clearfix {
height: 1%;
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 8 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
// new global variables to store the two slider objects.
var sliderX = null;
var sliderY = null;</pre>
</div>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initContext() {
...
sliderX = document.getElementById( 'xPos' );
sliderY = document.getElementById( 'yPos' );
sliderX.onchange = initScene;
sliderY.onchange = initScene;
pA = new Vector( 60, 60 );
pB = new Vector(
parseInt( sliderX.value ),
parseInt( sliderY.value ) );
pC = new Vector( 380, 170 );
...
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Partie 8 - Code</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
function initScene() {
...
pB.x = parseInt( sliderX.value );
pB.y = parseInt( sliderY.value );
...
}</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h2>Framework</h2>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>But des framework JS / canvas</h3>
<ul>
<li>Augmenter le niveau d'abstraction. --> vitesse de développment.</li>
<li>Résoudre la problematique des différents navigateurs, leurs solutions specifiques et incompatibilités.</li>
<li>Solutions pour les élements d'interface UI.</ul>
</li>
</ul>
<ul>
<li>Dojo toolkit --> <a href="http://demos.dojotoolkit.org/demos/themePreviewer/demo.html" target="_blank">in action</a></li>
<li>YUI Yahoo User Interface --> <a href="http://yuilibrary.com/yui/docs/examples/" target="_blank">exemples</a></li>
</ul>
<p class="floatingtext">Notre choix pour l'exemple suivante: <a href="http://kineticjs.com/">KineticJS</a>.</p>
<div role="note">
MAE<br/>
</div>
</section>
<section>
<h3>KineticJS</h3>
<p class="floatingtext" >Canvas framework pour de simples <span class="myColor">transitions</span>, <span class="myColor">animations</span>, <span class="myColor">filtrages</span>, <span class="myColor">gestion des evenements</span>, ...</p>
</ul>
<div class="iframeContainer" style="margin-bottom:160px">
<iframe class="tutoIframe" style="height: 143px; width:420px;" src="KineticJS/AlphaMouseOver.html" seamless></iframe>
</div>
<div class="iframeContainer" >
<iframe class="tutoIframe" style="height: 143px; width:420px;" src="KineticJS/DeplacingStars.html" seamless></iframe>
</div>
<div role="note">
MAE<br/>
First example AlphaMouseOver takes 43 lines<br />
Second example DeplacingStar takes 58 lines<br />
</div>
</section>
<section>
<h3>Simple KineticJS exemple</h3>
<div class="codingStyle myhtml">
<pre class="prettyprint lang-html">
<!DOCTYPE HTML>
<html>
<head>
<script src="PATH TO THE FRAMEWORK JS FILE"></script>
</head>
<body>
<div id="container"></div>
<script defer="defer">
// JS goes here. File contains with JS code: 33 lines
</script>
</body>
</html></pre>
</div>
<div class="iframeContainer" >
<iframe class="tutoIframe" style="height: 143px; width:420px;" src="KineticJS/Bouncing.html" seamless></iframe>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Simple KineticJS exemple</h3>
<div class="codingStyle myjs">
<pre class="prettyprint lang-js">
var stage = new Kinetic.Stage({
container: 'container', width: 400, height: 120
});
var layerAnim = new Kinetic.Layer();
var centerX = stage.getWidth() / 2;
var centerY = stage.getHeight() / 2;
var hexagon = new Kinetic.RegularPolygon({
x: centerX, y: centerY,
sides: 6, radius: 55, strokeWidth: 6
});
layerAnim.add(hexagon);
stage.add(layerAnim);
var anim = new Kinetic.Animation(function(frame) {
hexagon.setX(90 * Math.sin(frame.time*2*Math.PI/2000) + centerX);
}, layerAnim);
anim.start();</pre>
</div>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Canvas vs Svg</h3>
<ul class="incremental">
<li> - <span class="myColor"><--></span> DOM</li>
<li>Contexte graphique <span class="myColor"><--></span> CSS</li>
<li>Save as <span class="myColor"><--></span> format image</li>
<li> Bitmap <span class="myColor"><--></span> Vectoriel</li>
<li> Modification vue <span class="myColor"><--></span> Modification model </li>
<li> API 2D <span class="myColor"><--></span> Langage déclaratif xml </li>
<li> API 3D <span class="myColor"><--></span> - </li>
</ul>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<figure> <!-- Figures are used to display images and videos fullpage -->
<img src="./img/compar.jpg">
</figure>
<div role="note">
DKU<br/>
</div>
</section>
<section>
<h3>Sources</h3>
<ul>
<li><a href="http://www.whatwg.org/specs/web-apps/current-work/multipage/the-canvas-element.html#the-canvas-element">WHATWG : Standard canvas</a></li>
<li><a href="http://msdn.microsoft.com/en-us/library/ie/gg193983(v=vs.85).aspx#Non_Starters">MSDN : Comparaison canvas et svg</a></li>
<li><a href="http://www.html5canvastutorials.com/advanced/html5-canvas-save-drawing-as-an-image/">HTML5 canvas tutorial : Save as</a></li>
<li><a href="http://www.storminthecastle.com/2013/04/06/how-you-can-do-cool-image-effects-using-html5-canvas/">How to : Filtres avec canvas</a></li>
<li><a href="http://www.html5rocks.com/en/tutorials/canvas/imagefilters/">HTML5 rocks : Filtres avancés</a></li>
<li><a href="http://kineticjs.com/">KineticJS : Framework</a></li>
<li><a href="http://www.html5canvastutorials.com/kineticjs/html5-canvas-kineticjs-animate-position-tutorial/">HTML5 canvas tutorial : exemple KineticJS</a></li>
<li><a href="http://blog.nihilogic.dk/2009/02/html5-canvas-cheat-sheet.html">HTML5 canvas: Cheat Sheet</a></li>
<li><a href="http://demos.dojotoolkit.org/demos/themePreviewer/demo.html">Framework: Dojo toolkit project homepage</a></li>
<li><a href="http://yuilibrary.com/">Framework: YUI project homepage</a></li>
</ul>
</section>