Hi there I need to an interactive element using a large image. This image sized 1000x1000 pixel with simple imagery will contain several questions with yes or no. What I want to do is place this image within a small div (say 500x300) with hidden overflow and add hotspots on the image for the yes/no option. What I want is when the user clicks yes, then the hotspot link pans to specific x/y coordinates of the same large image. Viewer will only see within the 500x300 window. So on and so forth. Is this possible? It seems so simple yet only option I can find is the pan by mouse option or iframe option with complicated divs and anchors. I'm not an expert in java/jquery but would love to find a script that is adaptable. Please help!
This sounded fun so I made a custom solution real quick. Demo here: jsBin
It's heavily reliant on the proper CSS, so check that in the bin, but here's the JS part:
var choice = document.querySelectorAll('.choice'),
image = document.getElementById('image')
for ( var i=0; i<choice.length; i++) {
choice[i].addEventListener('click', function (event) {
var x = this.dataset['x'],
y = this.dataset['y'];
image.style.top = '-'+y+'px';
image.style.left = '-'+x+'px';
})
}
Use css transitions for animation. Set up the positions you want the buttons to move the image around to in the image using a series of javascript objects. Then, set up your anchors, text, etc using absolute positioning on top of the image inside of a div container. Finally, add a click action in jQuery to assign your different positions to the top and left css of that container.
The end result, then, will be that you click an anchor, the left and top positions are assigned to the container via css in jQuery, and the transitions will slide the image around with the anchors.
I set up a fiddle here.
Here's the html from the fiddle:
<div id="window">
<div id="container">
<img src="http://upload.wikimedia.org/wikipedia/en/1/1f/Kill_The_Lights_1000x1000.jpg" id="image">
<ul>
<li><a id="city" href="#">City</a></li>
<li><a id="bottom" href="#">Bottom</a></li>
</ul>
</div>
</div>
And the CSS:
#window {
width:500px;
height:300px;
overflow:hidden;
position:relative;
}
#window a {
position: absolute;
z-index: 2;
display: block;
padding: 10px;
background: rgba(255,255,255,.5);
}
#city {
top: 20px;
left: 20px;
}
#bottom {
top: 220px;
left: 220px;
}
#container {
-webkit-transition:left 2s, top 2s, -webkit-transform 2s;
transition:left 2s, top 2s, transform 2s;
position: absolute;
z-index: 1;
top: 0px;
left: 0px;
}
Here's some javascript to give an example of setting up the positions as objects.
var city = {
top: -200,
left: -200
};
var bottom = {
top: -700,
left: -100
}
$('a').click(function() {
var t = this.id;
var c = $('#container');
if (typeof eval(t) !== 'undefined') {
c.css({
'top': eval(t).top,
'left': eval(t).left
});
}
});
I've just made a Fiddle with a demo image from where you could proceed.
HTML:
<div class="imgHolder">
<div class="hotspot one">Click</div>
<img src="image.jpg" />
</div>
CSS:
.imgHolder {
overflow:hidden;
width:300px;
height:300px;
position:relative;
}
.hotspot.one {
position:absolute;
top:10px;
padding:2px;
background-color:#fff;
left:10px;
}
.hotspot:hover {
cursor:pointer;
}
img {
position:relative;
z-index:-1;
}
jQuery:
$(".hotspot").on("click", function () {
$("img").animate({
"right": "+=100px"
});
});
For reference: http://api.jquery.com/animate/
You could e.g. fade hotspots in and out on specific positions and use animate() to move to the next hotspot.
Related
I have grid class in javascript and when hover on some areas, an different image displays. I want this image to fade in/ fade out when displayed.
Hereby an exemple of the effect (could't figure out how it was made) : https://dustinthierry.com/
I am not sure how I should do it, as I am not directly using the CSS :hover .
Any leads ?
for (let i = 0; i < hovergrid.length; i++) {
if (hovergrid[i].hover(mouseX, mouseY)) {
console.log("hover on " + i)
hovergrid[i].display(i)
}
}
display(number) {
this.img = document.getElementById("displayedimage")
this.img.style.display = "block"
this.img.src = "images/" + number + ".jpg"
this.img.style.right = this.posx + "px"
this.img.style.bottom = this.posy + "px"
this.img.alt = picdes[number]
#displayedimage {
display: none;
position: absolute;
width: 30%;
}
You could use plain CSS for that effect. Using plain CSS will simplify your code, and also let you use CSS transitions.
Here's a rundown of what you could do:
Put your normal elements inside a Div (as in the OPULENCE text in the example)
Make your Div's position Relative. This will allow you to position certain elements inside of it, inside the dive
Create an overlay element that that is normally transparent
Put your images inside the overlay and make them invisible: opacity:0
Upon the hover of your overlay element, you can change the opacity of the image inside of it: div.overlay:hover > img {opacity: 1}.
.container{
width:500px;
height:500px;
background:black;
overflow:hidden;
position:relative;
}
h1{
text-align:center;
color:#ffffff;
margin-top:30px;
}
.overlay{
width:100%;
height:100%;
background:transparent;
position:absolute;
top:0;
left:0;
}
.overlay img{
width:200px;
position: absolute;
bottom:50px;
right:20px;
transition: all 0.5s;
opacity:0;
}
.overlay:hover > img{
opacity:1;
}
<div class="container">
<h1>Some text here</h1>
<div class="overlay">
<img src="https://images.unsplash.com/photo-1593642532842-98d0fd5ebc1a?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=1050&q=80" />
</div>
</div>
Please note that because of the positionings, your overlay doesn't necessarily have to contain the whole element. It can be in a place, totally irrelevant to the image.
Also if you want to have more than one image, you can split your overlay into more inner elements that each have an image, and do the same thing for all of them.
This cleans up your Javascript and gives you all the CSS functionalities needed.
Hi I'm trying to accomplish a crossfade effect for my banner images on my homepage. I'm doing this with jQuery and the fading effect is working fine.
This is my code:
<script>
function bannerImages(){
var $active = $('.banner-test .banner_one');
var $next = ($active.next().length > 0) ? $active.next() :
$('.banner-test img:first');
$next.css('z-index',2);//move the next image up the pile
$active.fadeOut(1500,function(){//fade out the top image
$active.css('z-index',1).show().removeClass('active');//reset the z-index and unhide the image
$next.css('z-index',3).addClass('active');//make the next image the top one
});
}
$(document).ready(function(){
// run every 7s
setInterval('cycleImages()', 7000);
})
</script>
As I said this is working fine however I've got one issue. In order for this to work I need to apply position:absolute to the .banner-test img class. Now I've also got another div within the .banner-test class to display some text on top of the banner image.
The code looks like this :
<div class="banner-test">
<img class="banner_one" src="../image.jpg" alt="" />
<img src="../image2.jpg" alt=""/>
<div id="text">
<p class="text1">Sample Text</p>
</div>
</div>
And the css for the #text :
#text {
position:absolute;
bottom:35px ;
left:10px;
width:70% ;
background-color:#104E8B;
font-size:1em;
color:white;
opacity:0.95;
filter:alpha(opacity=95); /* IE transparency */
}
.text1 {
padding:13px;
margin:0px;
}
.banner-test {
display: block;
position: relative;
}
So if I apply absolute positioning to the image it messes up the layout with the text (everything is pushed to the top of the page).
Can anybody think of a workaround for this?
EDIT
https://jsfiddle.net/ztrez888/1/embedded/result/ this is the fiddle - if position absolute is applied to the .banner-test img the text disappears
You said: (everything is pushed to the top of the page)
Its because your wrapper element .banner-test doesn't have a static height set. so when you apply a absolute position to the images in it .banner-test get shrink to height of the #text .text1.
Either set a height in the css:
.banner-test {
display: block;
position: relative;
height:200px; /* <--put the height of img */
}
or calculate it with jQuery:
$(document).ready(function(){
var arr = $('.banner-test img').map(function(){ // get the heights of imgs in array
return $(this).height();
}).get(),
h = Math.max.apply(Math, arr); // find out the greatest height in it.
$('.banner-test').css('height', h); // set the height here.
// run every 7s
setInterval('cycleImages()', 7000); // then cycle the images.
});
cycleImages() is been called in the setInterval and you have bannerImages() function on the page. I am assuming you have this cycleImages() function.
Updates:
#text {
position: absolute;
bottom: 30px;
left: 10px;
width: 100px;
background-color: #104E8B;
font-size: 1em;
color: white;
opacity: 0.95;
filter: alpha(opacity=95);
/* IE transparency */
z-index: 5; /* <----change these here*/
left: 10%;
top: 0;
}
Updated fiddle
I have two img elements and I want the first image.png to go behind the transparent image.png. I have tried a lot of different things (z-index, transparent background color, rgba background color, positioning absolute and relative, nesting one in a div, making them both divs). Right now i've been trying to use a transparent .png image. The image .png is actually behind it, but it still shows through it. Please help.
html:
<body>
<main class="site-wrapper">
<div class="carnival"></div>
<div id="images">
<img id="divbox" src="images/divbox.png">
<img id="clown1" src="images/clown1.png">
</div>
</main>
</body>
js: (i did the styles in js b/c I was interested in learning how to do it that way):
//styles
//divbox:
document.getElementById('divbox').style.display = "inline-block";
document.getElementById('divbox').style.transform = "skew(-2deg)";
document.getElementById('divbox').style.marginTop = "21%";
document.getElementById('divbox').style.marginLeft = "47.6%";
document.getElementById('divbox').style.height = "200px";
document.getElementById('divbox').style.width = "200px";
document.getElementById('divbox').style.border = "1px solid orange";
document.getElementById('divbox').style.position = "absolute";
document.getElementById('divbox').style.zIndex = "2";
//clown1:
document.getElementById('clown1').style.display = "inline-block";
document.getElementById('clown1').style.transform = "rotate(90deg)";
document.getElementById('clown1').style.marginTop = "21%";
document.getElementById('clown1').style.marginLeft = "53%";
document.getElementById('clown1').style.border = "1px solid green";
document.getElementById('clown1').style.position = "relative";
document.getElementById('clown1').style.zIndex = "1";
Thanks for any help, please let me know if I can answer questions.
UPDATE:
Sorry for not being clearer. I have now achieved getting the image behind the other image, but since the image ontop is transparent, the image behind is showing. How do I stop this?
Here is an example of what is happening:
http://oi61.tinypic.com/2mw9egx.jpg
Notice the orange border is ontop so it is definitely ontop.
UPDATE 2:
This should make it really clear what I want. Again sorry for the confusion:
http://oi59.tinypic.com/eamb0n.jpg
I would do something like the following jsFiddle: http://jsfiddle.net/7gdx48fu/. Might need to reload a couple times to see a good example of the overlay working.
Create a wrapper DIV for your two images. Set that wrapper DIV's to position: relative so we can use absolute positioning on one of the images it contains. By doing this we prevent the absolute positioned image from potentially aligning itself elsewhere in the page, like the upper left corner of the browser window.
Then, set the position of our overlay image, the transparent PNG, to position: absolute along with top: 0 and left: 0 to align it with the first images upper left corner.
You can do this without using z-index if you watch the order you include your images. Place the image you want behind the transparent PNG in the markup first followed by the transparent PNG.
<div class="img-container">
<img src="http://lorempixel.com/200/200/city/">
<img class="overlay" src="http://lorempixel.com/200/200/city">
</div>
.img-container {
position: relative;
}
.overlay {
position: absolute;
top: 0;
left: 0;
opacity: 0.25; /* using this to replicate the transparent PNG */
}
EDIT
The OP's requirements have changed to include how to prevent an image behind a transparent image from showing through the transparent image.
Here is an updated jsFiddle: http://jsfiddle.net/7gdx48fu/2/.
This approach I wrapped the transparent PNG in a wrapper DIV and set it's background color. I used white in my example but you may use any color.
<div class="img-container">
<img src="http://lorempixel.com/200/200/city/">
<div class="overlay">
<img src="http://lorempixel.com/200/200/city">
</div>
</div>
.img-container {
position: relative;
}
.overlay {
position: absolute;
top: 0;
left: 0;
background-color: white;
top: 15px; /* shifting overlay for illustrative purposes - not use case code */
left: 15px; /* shifting overlay for illustrative purposes - not use case code */
}
.overlay img {
opacity: 0.25; /* using this to replicate the transparent PNG */
}
Not perfect but I'm unsure of how else to proceed.
EDIT 2
It seems the OP wants to do a form of masking. You can do this with overflow: hidden.
I have updated the jsFiddle: http://jsfiddle.net/7gdx48fu/4/
In this updated answer I have kept the wrapper DIV and set it with a fixed width and height. Then applied overflow: hidden. What we are doing here is creating an invisible window that will only show content when it is within the dimensions of the window.
To have the image appear as if it is coming out of the base layer image simply adjust the position of the image inside the wrapper DIV. For the jsFiddle simply play with the value of top in .mask img.
This will need a little tweaking for the proper placement and size of the .mask DIV to fit your needs but hopefully points you in the right direction.
<div class="img-container">
<img src="http://lorempixel.com/200/200/city/">
<div class="mask">
<img src="http://lorempixel.com/200/50/city">
</div>
</div>
.img-container {
position: relative;
}
.mask {
position: absolute;
top: 25px;
left: 25px;
height: 100px;
width: 100px;
overflow: hidden;
border: 1px solid red; /* for illustrative purposes */
}
.mask img {
position: relative;
top: 25px;
}
Have you tried the css opacity property ?
#clown1{ opacity:0.3;}
make both images' position absolute instead of relative
for the above to work, some common ancestor (i.e. #images) must have a non-default position too (e.g. relative)
forget zIndex - all else being equal, the latter element will be "topmost"
put all the above in a CSS style sheet instead of in JS code!
Forgetting the other transformations and margins, etc, the core CSS that you need is:
#images {
position: relative;
}
#divbox, #clown1 {
position: absolute;
}
Put them both in a parent container. Make the parent have position: relative and put both images having position:absolute. That way they will stack.(Something like that that I didn't check The order of img's could be wrong - play around a bit.
CSS:
.parent > img.transparent {
position: absolute;
}
.parent > img {
position: absolute; opacity: 0.5
}
HTML:
<div class="parent" style="position:relative">
<img src="other.png" class="transparent"/>
<img src="transparent.gif"/>
</div>
Some more explanation: When you make a parent/ancestor element's position relative it means that its contents that are absolute will be relative to the parent and not to the whole window
I have html sturcture
<div id="bg" class="layer">
<img id="trackmap" src="images/back_2416.jpg" width="1208" height="768" class=" ui-draggable map-icon" usemap="#main-map" data-zoom-image="images/background_zoom.jpg" data-big="images/background_zoom.jpg" style="position: relative; left: -439px; top: -272.6px; margin: 0px; display: inline-block; height: 1327.2px; width: 2088px;">
<div id="nav-text">LOREM IPSUM.</div>
</div>
Jquery
var windowHeight = $("#trackmap").height();
var windowWidth = $("#trackmap").width();
var text_height=((windowHeight)-(100));
$("#nav-text").css("top",windowHeight);
Css
.layer {
position: absolute;
width: 1208px;
height: 768px;
}
#nav-text{
z-index: 200;
color: white;
position: absolute;
font-size: 10px;
margin-left: 715px;
width: 310px;
height: 10px;
position: fixed;
bottom: 5px;}
I just want to fix the nav-text to the bottom right whatsoever.. Now i problem i am facing is theres zoom function on the trackmap.. which increases the height and width of the image ..so the text comes in between of the image ..intereferring with the image.. I have tried taking the image width height using jquery ..but somehow its not working
I am not sure I am following your issue here, but it sounds like you are trying to get a div to be in the bottom-right of another div no matter what size it is. That can be done by setting the parent div position to relative which you have, and the child div position to absolute. You have that set but then override it by setting the position to fixed lower in the CSS. You will also want to set the bottom to 0 and the right to 0.
This will position the child div to the bottom right of the parent div. Then you can get rid of your jQuery. Hopefully this helps.
Ok.. I am in a hurry to catch the bus.. but here's a fiddle that illustrates the idea..
basically you will need to use the scrolltop and left parameters to do so:
$(".container").on("scroll", function() {
$(".nav-text").css("top", $(this).prop("scrollTop") + 130);
$(".nav-text").css("left", $(this).prop("scrollLeft") + 120);
});
but move the scrolls first.. sorry I need to go now..
You can achieve this by not fixing the .layer width and height, using display:inline-block; to prevent the div from filling the whole container width. At that point, the .layer size will match the image size whatever it is.
Finally you just need to set the text to absolute position and bottom and right properties too.
.parent{
display:inline-block;
position:relative;
}
.children{
position:absolute;
bottom:0;
right:0;
}
Here is the fiddle explaining
And here is the proof it works even if the image size is changed(click on the image).
Fiddle 2
I got an image gallery organized as an <ul>. all images are in <li> elements and when I move my mouse over one of those pictures, it should grow to give the user a visual feedback. thing is, when I just change the size of the image using animate(), the other pictures will be pushed to the side as the resized image uses more space.
therefore I went with cloning the image element, float it right over the original image and then calling animate. this comes with the problem that onMouseOut() is called as soon as the cloned images pops up. so I need a nested hover() function and this is where things got complicated.
I got two errors and I can't find out whats causing them. the first one is, that animate() won't let the cloned image grow beyond the right border of its original, the second is, that I get weird grow/shrink behavior, when moving my mouse quickly over the gallery.
html:
<ul id="gallery1" class="gallery_container">
<li class="frame">
<img src="pic1.jpg" class="picture" /></li><li class="frame">
<img src="pic2.jpg" class="picture" /></li><li class="frame">
<img src="pic3.jpg" class="picture" /></li>
</ul>
css:
.picture
{
height: 200px;
border: 0px;
margin: 0px;
padding: 0px;
}
.frame
{
display: inline-block;
position: relative;
margin: 0px;
margin-right:8px;
padding: 0px;
}
.frame a
{
padding: 0px;
margin: 0px;
}
.gallery_container
{
height: 200px;
width: 150%;
position: relative;
top: 4px;
padding: 0px;
margin: 0px;
}
and finally the code that is giving me those headaches:
$(document).ready(function()
{
var zooming = false;
var zoom = 4;
var speed_zoom = 100;
$('.gallery_container li a').hover(function(element)
{
// disable zooming to prevent unwanted behavior
if(zooming) return;
zooming = true;
$(this).after( $(this).clone(false) );
$(this).next().attr('id', 'focus_frame');
},
function(element) // when the new element pops up, onmouseout is triggered, since the focus_frame is in front of the image
{
$(this).next().hover(function(element)
{
// we need to re-position the element in the dom-tree, since it needs to grow out of a container with overflow: hidden
$('#focus_frame img').animate({'left' : zoom * -1, 'top' : zoom * -1, 'height' : 200+(zoom*2), 'width' : $('#focus_frame img').outerWidth() + (zoom*2)}, speed_zoom);
},
function(element)
{
$(this).remove();
zooming = false;
});
});
});
var $doc=$(document.body)
$doc.on({
"mouseenter" : function (e) {
$doc.find("> .gallery_clone").remove();
var $i=$(this).parent();
$i.pos = $i.offset();
$i.clone()
.addClass("gallery_clone "+$i.parent().parent().attr("class"))
.css({
top:(Math.round($i.pos.top)-3)+"px"
,left:(Math.round($i.pos.left)-3)+"px"
,width:$i.width()
}).appendTo($doc);
}
},
" ul > li > img"
).on ({
"mouseleave" : function (e) {
$(this).remove();
},"> .gallery_clone");
in css .gallery_clone is position:absolute
then i animate .gallery_clone:hover through css but you can do it in the jquery as well i guess, adding a mouseenter event on .gallery_clone
edit : i've literally copy/pasted from my script so you'll have to adapt this code to your html
nb: give css anim a go, it's worth it even if older ie will not animate; (i also made lightbox effect almost pure css for that same gallery - will publish later, not ready for plugin release just now sorry)
nb2: that part "+$i.parent().parent().attr("class") is because in the cms they can chose gallery background color so adding that class forward the background color & other gallery style to the clone (ie you should not need it)