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| <?php | |
| $di = new RecursiveDirectoryIterator('Asdf', RecursiveDirectoryIterator::SKIP_DOTS); | |
| $images = []; | |
| foreach(new RecursiveIteratorIterator($di) as $filename){ | |
| if(pathinfo($filename, PATHINFO_EXTENSION) == "jpg") {$images[] = str_replace("\\", "/", (string) $filename);} | |
| } | |
| ?> | |
| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <style>body {overflow: hidden;margin:0;background-color: rgb(32, 32, 32);}</style> | |
| </head> | |
| <body> | |
| <img id="image" src=""> | |
| <img id="imagePre" src="" style="display:none"> | |
| <script> | |
| // --------VARIABLES---------- | |
| var images = <?php echo json_encode($images); ?>; | |
| //x(posicion x), y(posicion y), vw(viewport width), vh(viewport height), iw(image width), ih(image height) | |
| //tx(translate x), ty(translate y), px(padding x), py(padding y), nImg(number of image displayed), z(zoom) | |
| var x, y, vw, vh, iw, ih, tx, ty, px, py, nImg = 0, z = 1; | |
| var imgEl = document.getElementById('image'); | |
| var imgPreEl = document.getElementById('imagePre'); | |
| // ---------FUNCTIONS--------- | |
| function shuffleArray(array) { | |
| for (var i = array.length - 1; i > 0; i--) { | |
| var j = Math.floor(Math.random() * (i + 1)); | |
| var temp = array[i]; | |
| array[i] = array[j]; | |
| array[j] = temp; | |
| } | |
| return array; | |
| } | |
| function getViewportSize(){ | |
| vw = window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth; | |
| vh = window.innerHeight || document.documentElement.clientHeight || document.body.clientHeight; | |
| } | |
| function moveImage (event) { | |
| if(typeof event != 'undefined'){x = event.clientX; y = event.clientY;} | |
| if(iw < vw) { tx = Math.floor((vw-iw)/2); } | |
| else { tx = Math.floor((vw-iw-2*px)*(x/vw)+px); } | |
| if(ih < vh) { ty = Math.floor((vh-ih)/2); } | |
| else { ty = Math.floor((vh-ih-2*py)*(y/vh)+py); } | |
| imgEl.style.transform = "translate("+tx+"px,"+ty+"px)"; | |
| } | |
| function keys (event) { | |
| switch(event.keyCode){ | |
| case 32: next(); break; // space | |
| case 39: next(); break; // right | |
| case 37: prev(); break; // left | |
| case 187: zoomIn(); break; // + | |
| case 189: zoomOut(); break; // - | |
| case 48: resetZoom(); break; // 0 | |
| } | |
| } | |
| function next () { | |
| imgEl.style.display = 'none'; | |
| imgPreEl.style.display = ''; | |
| imgEl.id = 'imagePre'; | |
| imgPreEl.id = 'image'; | |
| imgEl = document.getElementById('image'); | |
| imgPreEl = document.getElementById('imagePre'); | |
| iw = Math.floor(imgEl.naturalWidth*z); | |
| ih = Math.floor(imgEl.naturalHeight*z); | |
| imgEl.style.width = Math.floor(iw)+'px'; | |
| imgEl.style.height = Math.floor(ih)+'px'; | |
| px = 80; py = 80; //TODO | |
| nImg++; if(nImg == images.length) nImg = 0; | |
| imgPreEl.src = images[nImg]; | |
| } | |
| function prev () { | |
| nImg--; if(nImg == -1) nImg = images.length-1; | |
| imgEl.src = images[nImg]; | |
| } | |
| function zoomIn () { | |
| var max = Math.max(imgEl.naturalWidth*z, imgEl.naturalHeight*z); | |
| if (max < 5000) { z += 0.1;} | |
| iw = Math.floor(imgEl.naturalWidth*z); | |
| ih = Math.floor(imgEl.naturalHeight*z); | |
| imgEl.style.width = Math.floor(imgEl.naturalWidth*z)+'px'; | |
| imgEl.style.height = Math.floor(imgEl.naturalHeight*z)+'px'; | |
| moveImage(); | |
| } | |
| function zoomOut () { | |
| var min = Math.min(imgEl.naturalWidth*z, imgEl.naturalHeight*z); | |
| if (min > 100 && z >= 0.2) { z -= 0.1;} | |
| iw = Math.floor(imgEl.naturalWidth*z); | |
| ih = Math.floor(imgEl.naturalHeight*z); | |
| imgEl.style.width = Math.floor(imgEl.naturalWidth*z)+'px'; | |
| imgEl.style.height = Math.floor(imgEl.naturalHeight*z)+'px'; | |
| moveImage(); | |
| } | |
| function resetZoom () { | |
| z = 1; | |
| iw = Math.floor(imgEl.naturalWidth); | |
| ih = Math.floor(imgEl.naturalHeight); | |
| imgEl.style.width = ''; | |
| imgEl.style.height = ''; | |
| moveImage(); | |
| } | |
| function zoomScroll (event) { | |
| if(event.wheelDelta<0) {zoomOut();} | |
| else{ zoomIn();} | |
| } | |
| //---------REG LISTENERS------- | |
| document.onmousemove = moveImage; | |
| document.onkeydown = keys; | |
| document.onmousewheel = zoomScroll; | |
| document.body.onresize = getViewportSize; | |
| document.body.onclick = next; | |
| imgPreEl.onload = function(){imgPreEl.onload = null, next();} | |
| //----------EXECUTIONS--------- | |
| images = shuffleArray(images); | |
| getViewportSize(); | |
| imgPreEl.src = images[0]; | |
| </script> | |
| </body> | |
| </html> |
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