html javascript css Loupe

$(document).ready(function(){ var native_width = 0; var native_height = 0; //Now the mousemove function $(".magnify").mousemove(function(e){ //When the user hovers on the image, the script will first calculate //the native dimensions if they don't exist. Only after the native dimensions //are available, the script will show the zoomed version. if(!native_width && !native_height) { //This will create a new image object with the same image as that in .small //We cannot directly get the dimensions from .small because of the //width specified to 200px in the html. To get the actual dimensions we have //created this image object. var image_object = new Image(); image_object.src = $(".small").attr("src"); //This code is wrapped in the .load function which is important. //width and height of the object would return 0 if accessed before //the image gets loaded. native_width = image_object.width; native_height = image_object.height; } else { //x/y coordinates of the mouse //This is the position of .magnify with respect to the document. var magnify_offset = $(this).offset(); //We will deduct the positions of .magnify from the mouse positions with //respect to the document to get the mouse positions with respect to the //container(.magnify) var mx = e.pageX - magnify_offset.left; var my = e.pageY - magnify_offset.top; //Finally the code to fade out the glass if the mouse is outside the container if(mx < $(this).width() && my  0 && my > 0) { $(".large").fadeIn(100); } else { $(".large").fadeOut(100); } if($(".large").is(":visible")) { //The background position of .large will be changed according to the position //of the mouse over the .small image. So we will get the ratio of the pixel //under the mouse pointer with respect to the image and use that to position the //large image inside the magnifying glass var rx = Math.round(mx/$(".small").width()*native_width - $(".large").width()/2)*-1; var ry = Math.round(my/$(".small").height()*native_height - $(".large").height()/2)*-1; var bgp = rx + "px " + ry + "px"; //Time to move the magnifying glass with the mouse var px = mx - $(".large").width()/2; var py = my - $(".large").height()/2; //Now the glass moves with the mouse //The logic is to deduct half of the glass's width and height from the //mouse coordinates to place it with its center at the mouse coordinates //If you hover on the image now, you should see the magnifying glass in action $(".large").css({left: px, top: py, backgroundPosition: bgp}); } } }) }) 
 /*Some CSS*/ * {margin: 0; padding: 0;} .magnify {width: 200px; margin: 50px auto; position: relative;} /*Lets create the magnifying glass*/ .large { width: 175px; height: 175px; position: absolute; border-radius: 100%; /*Multiple box shadows to achieve the glass effect*/ box-shadow: 0 0 0 7px rgba(255, 255, 255, 0.85), 0 0 7px 7px rgba(0, 0, 0, 0.25), inset 0 0 40px 2px rgba(0, 0, 0, 0.25); /*Lets load up the large image first*/ background: url('http://thecodeplayer.com/uploads/media/iphone.jpg') no-repeat; /*hide the glass by default*/ display: none; } /*To solve overlap bug at the edges during magnification*/ .small { display: block; } 
  
I want to magnify whole page Including text image and everything

Je veux loupe magnifier toute la page Web, pas seulement l’image. la loupe tout magnifier sur la page texte vidéo. Et ne disparaît pas quand rien sur div ou page web.

Voici le jsfiddle …

JsFiddle

J’utilise quelque chose pour accomplir ce dont vous avez besoin. Il est capable d’agrandir le texte et les images. Il faut avoir des éléments HTML en double pour compléter le grossissement.

Voici où vous pouvez en apprendre plus sur et sa documentation AnythingZoomer

HTML

 

Image with Text Demo

hello

hello

CSS

 /* This is where to style the magnification to a circle*/ .az-windowed { overflow: hidden; position: absolute; border-radius:100%; box-shadow: 0 0 0 7px rgba(255, 255, 255, 0.85), 0 0 7px 7px rgba(0, 0, 0, 0.25), inset 0 0 40px 2px rgba(0, 0, 0, 0.25); } 

Le code en action – Mise à jour

On dirait que l’affichage à la loupe ne s’aligne pas sur le contenu de taille normale sur l’axe des y Cela pourrait avoir quelque chose à voir avec la partie mathématique de votre solution. Vous pouvez même voir une image de taille normale dans le verre au bas.