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PanoPaintApp_v5.html
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PanoPaintApp_v5.html
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<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>painting</title>
<link href="./scripts/nouislider.min.css" rel="stylesheet">
<link href="./scripts/paintStyle.css" rel="stylesheet">
</head>
<body>
<div id="options" class="menDivActive">
<div id="menuHide" onclick="toggleMenu()">
<div class="arrowLeft" id="arrowContainer">
<svg version="1.1" id="arrowSVG" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" width="512px" height="391.68px" viewBox="-0.333 0 512 391.68" enable-background="new -0.333 0 512 391.68" xml:space="preserve">
<path d="M481.205,165.384H103.673L217.056,52.008c11.902-11.899,11.902-31.177,0-43.083c-11.887-11.903-31.188-11.896-43.073,0
L8.589,174.302c-5.705,5.705-8.921,13.459-8.921,21.545c0,8.078,3.216,15.826,8.921,21.538l165.394,165.377
c5.949,5.949,13.74,8.918,21.541,8.918c7.798,0,15.596-2.969,21.538-8.918c11.903-11.9,11.903-31.184,0-43.083l-113.389-113.37
h377.532c16.817,0,30.463-13.651,30.463-30.462C511.668,179.014,498.022,165.384,481.205,165.384z"/>
</svg>
</div>
</div>
<div id="environment"></div>
<form name="form2" method="post" action="">
<input type="file" id="loadImageBtn">
<label for="loadImageBtn">UPLOAD AN IMAGE</label>
</form>
<form class="controls export">
<input type="button" value="Export as PNG" id="submitBtn" onclick="saveImage()">
<input type="button" value="Toggle Erasor" id="eraseSet" onclick="togglePaintMode()">
<input type="button" value="Clear Image" id="clearBtn" onclick="clearPainting()">
</form>
<div id="brushSize"></div>
<div class="colorPic">
<input class="color alpha big" value="#B6BD79" style="background-color:#B6BD79" />
</div>
<div class="block" id="status" >
<div id="message" ></div>
<div id="error" ></div>
</div>
</div>
<div id="preloader" >
<div id="bar" ></div>
</div>
<div id="scrollCam" style="left: 0px; bottom: 0px">
<div id="scrollCamLbl">DRAG TO ROTATE VIEW</div>
</div>
<script type="text/javascript" src="./scripts/three.colin.min.js"></script>
<script type="text/javascript" src="./scripts/OrbitControls.js"></script>
<script type="text/javascript" src="./scripts/nouislider.min.js"></script>
<script type="text/javascript" src="./scripts/jquery-2.1.4.min.js"></script>
<script type="text/javascript" src="./scripts/jqColorPicker.min.js"></script>
<script src="./scripts/uAgent_DeviceTest.js"></script>
<script>
// call device test
var myDevice = uAgentTest();
// Three.js Stuff starts here.
// scene objects
var container, stats;
var camera, scene, raycaster, renderer;
var geometry, object, textureWidth, textureHeight, material;
var controls;
var fov = 80;
//raycasting objects
var mouse = new THREE.Vector2(), INTERSECTED;
var touchVec = new THREE.Vector2();
//canvas painting objects
var canvas, context;
var texture;
var isDrawing, lastPoint;
var uvIntersect, xPix, yPix;
var strokeColor = "#000000";
var brushSize = 5;
var panoWidth = 2048;
var panoHeight = 1024;
var grid = true;
var erasor = false;
// google geo Pano tracing objects
var loader,
map,
sphereMap,
uniforms,
attributes,
mesh,
marker;
var preloader = document.getElementById( 'preloader' );
var bar = document.getElementById( 'bar' );
var options = document.getElementById( 'options' );
var texture_placeholder,
isUserInteracting = false,
onMouseDownMouseX = 0, onMouseDownMouseY = 0,
lon = 0, onMouseDownLon = 0,
lat = 0, onMouseDownLat = 0,
phi = 0, theta = 0;
lat = 15;
window.onload = function(){
init();
}
// setup for Geo Map loading
function setProgress( progress ) {
bar.style.width = ( preloader.clientWidth - 6 ) * progress / 100 + 'px';
}
function showProgress( show ) {
preloader.style.opacity = ( show == true )?1:0;
preloader.style.display = ( show == true )?'block':'none';
}
var menuToggle = false;
function toggleMenu(){
if(menuToggle == false){
menuToggle = true;
document.getElementById("options").className = "menDivHidden";
document.getElementById("arrowContainer").className = "arrowRight";
}else{
menuToggle = false;
document.getElementById("options").className = "menDivActive";
document.getElementById("arrowContainer").className = "arrowLeft";
}
}
function showError( message ) {
errorDiv.innerHTML = message;
}
function showMessage( message ) {
showError('');
messageDiv.innerHTML = message;
}
// init scene and canvas objects
var myLatlng;
function init() {
var myScrollBtn = document.getElementById("scrollCam");
myScrollBtn.style.left = (window.innerWidth/2 - myScrollBtn.clientWidth/2) + "px";
myScrollBtn.style.bottom = ((-1 * myScrollBtn.clientHeight/2 - 10) + "px");
container = document.createElement( 'div' );
container.id = "container";
document.body.appendChild( container );
canvas = document.createElement('canvas');
canvas.width = panoWidth;
canvas.height = panoHeight;
context = canvas.getContext('2d');
context.lineJoin = context.lineCap = 'round';
context.lineColor = "#FF0000";
//create three.js scene
scene = new THREE.Scene();
camera = new THREE.PerspectiveCamera( fov, window.innerWidth / window.innerHeight, 1, 1100 );
scene.add( camera );
// create sphere for streetview behind painting surface
mesh = new THREE.Mesh( new THREE.SphereGeometry( 500, 60, 40 ), new THREE.MeshBasicMaterial( { map: THREE.ImageUtils.loadTexture( './Images/placeholder.jpg' ) } ) );
mesh.scale.x = -1;
scene.add( mesh );
// create paintable texture from canvas
texture = new THREE.Texture(canvas);
texture.generateMipmaps = false;
texture.magFilter = THREE.LinearFilter;
texture.minFilter = THREE.LinearFilter;
material = new THREE.MeshBasicMaterial({
map : texture,
transparent: true,
opacity: 1.0
});
texture.flipY = true;
texture.needsUpdate = true;
geometry = new THREE.SphereGeometry( 40, 40, 40 );
geometry.applyMatrix(new THREE.Matrix4().makeScale(-1, 1, 1));
object = new THREE.Mesh( geometry, material );
//object.dynamic = true;
scene.add( object );
camera.position.x = 0.1;
raycaster = new THREE.Raycaster();
renderer = new THREE.WebGLRenderer({ alpha: true });
renderer.setClearColor( 0xFFFFFF );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
renderer.sortObjects = false;
container.appendChild(renderer.domElement);
document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener('touchmove', onDocumentTouchMove, false );
function lockPointer () {
if( navigator.pointer ) {
navigator.pointer.lock( document.body, function() {
console.log( 'Pointer locked' );
}, function() {
console.log( 'No pointer lock' );
} );
}
}
var el = document.getElementById( 'fullscreenButton' );
if( el ) {
el.addEventListener( 'click', function( e ) {
var myScrollBtn = document.getElementById("scrollCam");
myScrollBtn.style.left = (screen.width/2 - myScrollBtn.clientWidth/2) + "px";
myScrollBtn.style.bottom = ((-1 * myScrollBtn.clientHeight/2 - 10) + "px");
document.body.onwebkitfullscreenchange = function(e) {
lockPointer();
document.body.onwebkitfullscreenchange = function() {
};
};
document.body.onmozfullscreenchange = function(e) {
lockPointer();
document.body.onmozfullscreenchange = function() {
};
};
if( document.body.webkitRequestFullScreen ) document.body.webkitRequestFullScreen();
if( document.body.mozRequestFullScreen ) document.body.mozRequestFullScreen();
e.preventDefault();
}, false );
}
errorDiv = document.getElementById( 'error' );
messageDiv = document.getElementById( 'message' );
controls = new THREE.OrbitControls(camera);
controls.noPan = true;
controls.noZoom = true;
controls.autoRotate = false;
controls.autoRotateSpeed = 0.00;
controls.enabled = false;
if(myDevice == "computer browser") {
container.addEventListener("mousedown", cmouseDown, false);
scrollCam.addEventListener("mousedown", toggleCamControls, false);
}else{
}
container.addEventListener( 'touchstart', ctouchStart, false);
scrollCam.addEventListener("touchstart", toggleCamControlsT, false);
render();
}// end of init
function loadimage(e1) {
var filename = e1.target.files[0];
var fr = new FileReader();
fr.onload = imageHandler;
fr.readAsDataURL(filename);
}
var myImage = document.createElement("img");
function imageHandler(e2) {
myImage = document.createElement("img");
myImage.onload = function(event) {
context.globalCompositeOperation = "source-over";
context.clearRect(0, 0, canvas.width, canvas.height);
context.drawImage(event.target, 0, 0);
texture.needsUpdate = true;
};
myImage.src = e2.target.result;
}
document.getElementById("loadImageBtn").addEventListener('change', loadimage, false);
function loadPanorama( location ) {
setProgress( 0 );
showProgress( true );
// instantiate a loader
var loader = new THREE.TextureLoader();
// load a resource
loader.load(
// resource URL
'./images/gridWorld.jpg',
// Function when resource is loaded
function ( texture ) {
// do something with the texture
mesh.material.map = texture;
mesh.material.transparency = false;
mesh.material.map.needsUpdate = true;
showProgress( false );
},
// Function called when download progresses
function ( xhr ) {
console.log( (xhr.loaded / xhr.total * 100) + '% loaded' );
setProgress( (xhr.loaded / xhr.total * 100) );
},
// Function called when download errors
function ( xhr ) {
console.log( 'An error happened' );
}
);
}
// setup window resize and camera controls
window.addEventListener( 'resize', onWindowResize, false );
function onMouseWheel( event ) {
// WebKit
if ( event.wheelDeltaY ) {
fov -= event.wheelDeltaY * 0.05;
// Opera / Explorer 9
} else if ( event.wheelDelta ) {
fov -= event.wheelDelta * 0.05;
// Firefox
} else if ( event.detail ) {
fov += event.detail * 1.0;
}
camera.projectionMatrix.makePerspective( fov, container.clientWidth / container.clientHeight, camera.near, camera.far );
}
function cmouseDown(e) {
if(controls.enabled == false){
isDrawing = true;
findUVs();
lastPoint = {x: xPix, y: yPix};
}
container.addEventListener("mousemove", cmouseMove, false);
container.addEventListener("mouseup", cmouseUp, false);
}
function cmouseMove(e) {
if(controls.enabled == false){
if (!isDrawing) return;
findUVs();
var currentPoint = {x: xPix, y: yPix};
var dist = distanceBetween(lastPoint, currentPoint);
var angle = angleBetween(lastPoint, currentPoint);
if (erasor == false) {
for (var i = 0; i < dist; i+=(brushSize/2)) {
context.globalCompositeOperation = "source-over";
if(dist > 1024){
continue;
}else{
x = lastPoint.x + (Math.sin(angle) * i);
y = lastPoint.y + (Math.cos(angle) * i);
var radgrad = context.createRadialGradient(x,y,(brushSize/2),x,y,brushSize);
radgrad.addColorStop(0, strokeColor);
var midArray = strokeColor.split(/\(|\)|\)/);
var midColor;
var finalColor;
if(midArray[0] =="rgb"){
midColor = "rgba("+midArray[1]+", 0.5)";
finalColor = "rgba("+midArray[1]+", 0.0)";
}else{
var colorSplit = midArray[1].split(/,/);
midColor = "rgba("+colorSplit[0]+","+colorSplit[1]+","+colorSplit[2]+","+colorSplit[3]/2+")";
finalColor = "rgba("+colorSplit[0]+","+colorSplit[1]+","+colorSplit[2]+", 0.0)";
}
radgrad.addColorStop(0.5, midColor);
radgrad.addColorStop(1, finalColor);
context.fillStyle = radgrad;
context.fillRect(x-(brushSize), y-(brushSize), (brushSize*2), (brushSize*2));
}
}
lastPoint = currentPoint;
} else {
for (var i = 0; i < dist; i+=(brushSize/2)) {
context.globalCompositeOperation = "destination-out";
if(dist > 1024){
continue;
}else{
x = lastPoint.x + (Math.sin(angle) * i);
y = lastPoint.y + (Math.cos(angle) * i);
var radgrad = context.createRadialGradient(x,y,(brushSize/2),x,y,brushSize);
radgrad.addColorStop(0, "rgba(0,0,0,1.0)");
radgrad.addColorStop(0.5, "rgba(0,0,0,0.5)");
radgrad.addColorStop(1, "rgba(0,0,0,0.0)");
context.fillStyle = radgrad;
context.fillRect(x-(brushSize), y-(brushSize), (brushSize*2), (brushSize*2));
}
}
lastPoint = currentPoint;
}
texture.needsUpdate = true;
}
}
function cmouseUp(e) {
if(controls.enabled == false){
isDrawing = false;
}
container.removeEventListener("mousemove", cmouseMove, false);
container.removeEventListener("mouseup", cmouseUp, false);
}
function ctouchStart(e) {
if (!e)
var e = event;
if (e.touches) {
if (e.touches.length == 1) { // Only deal with one finger
var touch = e.touches[0]; // Get the information for finger #1
touchVec.x = +( touch.pageX / window.innerWidth ) * 2 - 1;
touchVec.y = -( touch.pageY / window.innerHeight ) * 2 + 1;
}
}
if(controls.enabled == false){
isDrawing = true;
findUVsTouch();
lastPoint = {x: xPix, y: yPix};
}
container.addEventListener( 'touchmove', ctouchMove, false);
window.addEventListener( 'touchend', wtouchEnd, false);
}
function ctouchMove(e) {
if(controls.enabled == false){
if (!isDrawing) return;
findUVsTouch();
var currentPoint = {x: xPix, y: yPix};
var dist = distanceBetween(lastPoint, currentPoint);
var angle = angleBetween(lastPoint, currentPoint);
if (erasor == false) {
for (var i = 0; i < dist; i+=(brushSize/2)) {
context.globalCompositeOperation = "source-over";
if(dist > 1024){
continue;
}else{
x = lastPoint.x + (Math.sin(angle) * i);
y = lastPoint.y + (Math.cos(angle) * i);
var radgrad = context.createRadialGradient(x,y,(brushSize/2),x,y,brushSize);
radgrad.addColorStop(0, strokeColor);
var midArray = strokeColor.split(/\(|\)|\)/);
var midColor;
var finalColor;
if(midArray[0] =="rgb"){
midColor = "rgba("+midArray[1]+", 0.5)";
finalColor = "rgba("+midArray[1]+", 0.0)";
}else{
var colorSplit = midArray[1].split(/,/);
midColor = "rgba("+colorSplit[0]+","+colorSplit[1]+","+colorSplit[2]+","+colorSplit[3]/2+")";
finalColor = "rgba("+colorSplit[0]+","+colorSplit[1]+","+colorSplit[2]+", 0.0)";
}
radgrad.addColorStop(0.5, midColor);
radgrad.addColorStop(1, finalColor);
context.fillStyle = radgrad;
context.fillRect(x-(brushSize), y-(brushSize), (brushSize*2), (brushSize*2));
}
}
lastPoint = currentPoint;
} else {
for (var i = 0; i < dist; i+=(brushSize/2)) {
context.globalCompositeOperation = "destination-out";
if(dist > 1024){
continue;
}else{
x = lastPoint.x + (Math.sin(angle) * i);
y = lastPoint.y + (Math.cos(angle) * i);
var radgrad = context.createRadialGradient(x,y,(brushSize/2),x,y,brushSize);
radgrad.addColorStop(0, "rgba(0,0,0,1.0)");
radgrad.addColorStop(0.5, "rgba(0,0,0,0.5)");
radgrad.addColorStop(1, "rgba(0,0,0,0.0)");
context.fillStyle = radgrad;
context.fillRect(x-(brushSize), y-(brushSize), (brushSize*2), (brushSize*2));
}
}
lastPoint = currentPoint;
}
texture.needsUpdate = true;
}
}
function wtouchEnd(e){
if(controls.enabled == false){
isDrawing = false;
}
container.removeEventListener("touchmove", ctouchMove, false);
window.removeEventListener("touchend", wtouchEnd, false);
}
function onWindowResize() {
camera.aspect = window.innerWidth / window.innerHeight;
camera.updateProjectionMatrix();
renderer.setSize( window.innerWidth, window.innerHeight );
var myScrollBtn = document.getElementById("scrollCam");
myScrollBtn.style.left = (window.innerWidth/2 - myScrollBtn.clientWidth/2) + "px";
myScrollBtn.style.bottom = ((-1 * myScrollBtn.clientHeight/2 - 10) + "px");
}
function onDocumentMouseMove( event ) {
var element = document.getElementById("circleBrush");
event.preventDefault();
mouse.x = ( event.clientX / window.innerWidth ) * 2 - 1;
mouse.y = - ( event.clientY / window.innerHeight ) * 2 + 1;
}
function onDocumentTouchMove( e ) {
if (!e)
var e = event;
if (e.touches) {
if (e.touches.length == 1) { // Only deal with one finger
var touch = e.touches[0]; // Get the information for finger #1
touchVec.x = +( touch.pageX / window.innerWidth ) * 2 - 1;
touchVec.y = -( touch.pageY / window.innerHeight ) * 2 + 1;
}
}
event.preventDefault();
}
//
function findUVs(){
// find intersections
raycaster.setFromCamera( mouse, camera );
intersects = raycaster.intersectObjects( scene.children );
if ( intersects.length > 0 ) {
if ( INTERSECTED != intersects[ 0 ].point ) {
uvIntersect = intersects[0].uv;
xPix = uvIntersect.x * panoWidth;
yPix = (1-uvIntersect.y) * panoHeight;
}
}
}
function findUVsTouch(){
// find intersections
raycaster.setFromCamera( touchVec, camera );
intersects = raycaster.intersectObjects( scene.children );
if ( intersects.length > 0 ) {
if ( INTERSECTED != intersects[ 0 ].point ) {
uvIntersect = intersects[0].uv;
xPix = uvIntersect.x * panoWidth;
yPix = (1-uvIntersect.y) * panoHeight;
}
}
}
function render() {
requestAnimationFrame(render);
controls.update();
//findUVs();
strokeColor = $('.color').css('background-color');
renderer.render( scene, camera );
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
// Interface Elements
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
function toggleGuideMode(){
grid = true;
document.getElementById("useStreetView").value = "Use StreetView Guide"
loadPanorama( myLatlng );
}
function toggleCamControls(){
if(controls.enabled == false){
controls.enabled = true;
//document.getElementById("camRotate").value = "Disable Camera Rotation";
document.body.addEventListener("mouseup", toggleControlsOff, false);
}
}
function toggleCamControlsT(){
if(controls.enabled == false){
controls.enabled = true;
//document.getElementById("camRotate").value = "Disable Camera Rotation";
document.body.addEventListener("touchend", toggleControlsOffT, false);
}
}
function toggleControlsOff() {
controls.enabled = false;
//document.getElementById("camRotate").value = "Enable Camera Rotation";
document.body.removeEventListener("mouseup", toggleControlsOff, false);
}
function toggleControlsOffT() {
controls.enabled = false;
//document.getElementById("camRotate").value = "Enable Camera Rotation";
document.body.removeEventListener("touchend", toggleControlsOffT, false);
}
function togglePaintMode(){
if(erasor == false){
document.getElementById("eraseSet").value = "Toggle Paint"
erasor = true;
document.body.addEventListener("mouseup", toggleOff, false);
}
}
function toggleOff (){
document.getElementById("eraseSet").value = "Toggle Erasor"
erasor = false;
document.body.removeEventListener("mouseup", toggleOff, false);
}
function clearPainting(){
context.fillStyle = "rgba(0,0,0,1.0)";
context.globalCompositeOperation = "destination-out";
context.fillRect(0, 0, panoWidth, panoHeight);
texture.needsUpdate = true;
}
var slider = document.getElementById('brushSize');
noUiSlider.create(slider, {
start: 5,
step: 1,
tooltips: [ true],
format: {
to: function ( value ) {
return value | 0;
},
from: function ( value ) {
return value | 0;
}
},
range: {
'min': 1,
'max': 30
}
});
slider.noUiSlider.on('update', function( values, handle ) {
brushSize = values[handle];
});
$('.color').colorPicker();
// Painting functions Start here.
function getRandomInt(min, max) {
return Math.floor(Math.random() * (max - min + 1)) + min;
}
function convertCanvasToImage(canvas) {
var image = new Image();
image.src = canvas.toDataURL("image/png");
image.height = image.height * -1;
window.open(image);
}
function saveImage(){
window.open(canvas.toDataURL("image/png"));
//convertCanvasToImage(canvas);
}
// modified non aliased line drawing code.
function distanceBetween(point1, point2) {
return Math.sqrt(Math.pow(point2.x - point1.x, 2) + Math.pow(point2.y - point1.y, 2));
}
function angleBetween(point1, point2) {
return Math.atan2( point2.x - point1.x, point2.y - point1.y );
}
// color conversion code
function hexToRgb(hex) {
// Expand shorthand form (e.g. "03F") to full form (e.g. "0033FF")
var shorthandRegex = /^#?([a-f\d])([a-f\d])([a-f\d])$/i;
hex = hex.replace(shorthandRegex, function(m, r, g, b) {
return r + r + g + g + b + b;
});
var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
return result ? {
r: parseInt(result[1], 16),
g: parseInt(result[2], 16),
b: parseInt(result[3], 16)
} : null;
}
</script>
</body>
</html>