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JavaScript - Image Size
Hello,
How can we calculate size of image by using javascript ? Thanks in advance Similar Tutorialsi have image button i need to display image .if the size of the image button is 100*100 and image size is 50*50 .the remaining space of the image button should be empty.the image should not stretch. can any one guide me i am new to programming Thanks in advance!!! QUESTION 1: Hello. I would like to know if this is possible with Javascript, and if yes, if someone can please provide me with the code or point me in the right direction. Let me start of by saying that this is for an eBay listing. I know that they accept basic / limited javascript and if what I am asking is possible, I hope that it can work on eBay listings. I would like to know if it's possible to determine the dimensions of an image with Javascript from an Image url, and to then resize it or not based on the the size of the image. So, let's say this is the URL: www.adomainname.com/image.jpg and let's say that image is 1400 px x 1400 px. I would first like the javascript code to detect that size. I also would like the maximum dimension for any side of the image to be 600 px. If both sides of the image are over 600 px, for both sides to be reduced proportionally to 600 px or lower. If any one side of the image is larger than 600 px, the image is to be resized to 600 px or lower. If both sides are under 600 px, the image is to not be reduced. It would also be nice if it can detect whether the image is portion or landscape based on I guess the larger side, because an image at 600 px in height might be too big, but in width might be o.k. So, in this example (the 1400 px by 1400 px), the image is to be resized to 600 px x 600 px. For an image that's 300 px x 500 px, it should remain as such. For an image that's 400 px x 700 px, it should be resized to 400 / (700 / 600) px by 600 px, which is approximately 343 px x 600 px. I have looked a bit into this and I see things being mentioned about the image being loaded first completely on the screen, or about using server side language like PHP, and so on, but like I said, keep in mind that this is for eBay, and so I am limited. Note: The part that I am most interested in is in being able to detect the size / dimensions of the image. QUESTION 2: On a side note, does anyone know if it's possible to have a Javascript enlarging function for images, in which when one clicks on an image, it is enlarged, but either in a popup window that's smaller than the one behind it, and possibly centered, or by making the background go dark and then bringing up the enlarged image (is the latter done with Javascript; I have seen this effect for a while now and have always wondered.) I have a form that allows photos to be uploaded. I am using Perl to do this, and it works fine. Now I want to validate that the size of the image does not exceed a certain limit BEFORE it actually uploads. I can do that in Perl using something like the code below. But, I would rather do this in Javascript. I already have a routine that validates that the image file name does not contain embedded spaces. I would like to add this there. Can this be done in Javascript? Code: if ($ENV{'CONTENT_LENGTH'} > 100000) { print "SIZE EXCEEDS LIMIT!" }
hello friends I'm a newbie.. I need a little help. Im using big images in my website. I want a javascript to toggle the image size from "Original size to fit with resolution of screen" and vice versa. It should be onclick function like this <img id="blahblah" src="myimage.jpg" onClick="resize();" /> Hello everyone! I'm using Cut & Paste Plus Size image viewer ( http://www.javascriptkit.com/script/...geviewer.shtml ) , but I noticed some problem. When the large image is loaded initially, it's not always positioned on the center of the page. After that the script works just fine, until the browser is re-started. There is link to my page: http://www.accentironwork.com/yard%20decorations.html Script code is the http://www.accentironwork.com/plusimageviewer.js http://www.accentironwork.com/plusimageviewer.css I hope some body can help me. Thanks in advance! I have followed all the correct steps to the Javascriptkit code for Plus Size Image Viewer: http://www.javascriptkit.com/script/...eviewer.shtml# Everything works fine but the Enlarge Image buttons are not where they should be. They should all appear at the bottom left of each individual image and are floating up. See example he http://www.bannerpen.ca/plastic_glossy.html Im not sure if the problem is the position or the display or none in the plusimageviewer.css script?? [CODE] .enlargecaption{ position: absolute; border: 1px dotted navy; font: normal 11px Arial; } .enlargecaption a{ display:block; background: lightgray; /*bg color of caption*/ padding: 3px; text-decoration: none; color: black; } .enlargecaption a:hover{ background: lightyellow; /*bg color of caption when mouse rolls over it*/ } .enlargebox{ position: absolute; border:1px solid gray; display:none; } .enlargebox .title{ background:gray; color:white; padding: 3px 2px; text-align: right; font:bold 14px Arial; } .enlargebox .title img{ cursorointer; cursor:hand; } [CODE] Hello I was looking for a javascript code to show an image in full size on moueover, I use this script on the site Code: function ShowPicture(id,Source) {
if (Source=="1"){
if (document.layers) document.layers[''+id+''].visibility = "show"
else if (document.all) document.all[''+id+''].style.visibility = "visible"
else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "visible"
}
else
if (Source=="0"){
if (document.layers) document.layers[''+id+''].visibility = "hide"
else if (document.all) document.all[''+id+''].style.visibility = "hidden"
else if (document.getElementById) document.getElementById(''+id+'').style.visibility = "hidden"
}
}
CSS code i use: Code: <style type="text/css">
#Style {
position:absolute;
visibility:hidden;
border:solid 1px #CCC;
padding:5px;
}
</style>
On the site to to body I put this html code: Code: <a href="#" onMouseOver="ShowPicture('Style',1)" onMouseOut="ShowPicture('Style',0)">Click Here To Show Image</a>
<div id="Style"><img src="/sites/default/files/peroulades.jpg"></div>
When Im hovering over the link image is shown full size, Problem: if you take a look: http://www.online-dovolenka.sk/dovolenka_korfu if hover over both links "Click Here To Show Image" you will see same image, but I put two different images? where is the problem? any ideas? Code: <a href="#" onMouseOver="ShowPicture('Style',1)" onMouseOut="ShowPicture('Style',0)">Click Here To Show Image</a>
<div id="Style"><img src="/sites/default/files/peroulades.jpg"></div>
<a href="#" onMouseOver="ShowPicture('Style',1)" onMouseOut="ShowPicture('Style',0)">Click Here To Show Image</a>
<div id="Style"><img src="/sites/default/files/pantokrator.jpg"></div>
Hi, I'm new here and trying to get some basics via examples. On this page http://www.gilariverwoodworks.com/kitchens.htm I have thumbnails in a table. Immediately below the table is a full sized image of thumb 1. I want to mouseover the thumbs and have the respective full size images swap. The thumbs remain as is. All the thumbs are the same file as the full size image but resized. If moused over, the new image should remain until the next thumb is moused over - ie no autoclose or return to original image. The viewer should be able to move around the page without having the image change til the next mouseover All the images are the same size Can someone offer or direct me to a script that will do this? TIA mr johnson Hi. Sort of new to Javascript. I am implementing a zoom in feature, but actually tricking the user as a full screen image is simply being stretched. I plan to apply it to several pages, and don't really fancy working out the pixels for each. I believe that if you simply put width: 150% height 150% it will change the image size relative to the browser. I don't want that, I want it relative to the original image size. Could I do sort of height*1.5 or something? How would I write that if so? Thanks! Code: <script>
$('#in').click(function() {
$('#drag img').animate({
width: '150%',
height: '150%',
}, 5000, function() {
// Animation complete.
});
});
</script>
I'm still struggling for a solution here. I have a background image that auto-resizes based on browser window / screen resolution. I want my top header menu, which requires links, to act in the same way and be in roughly the same position/size based on browser window. Is this possible? In the sample below, the image is just part of the background image to give you an idea of the look I am trying to duplicate. Is there a Javascript out there that will help me or will I be stuck having to rework my design? http://www.uberbotjones.com/sanny/test.html This site is really driving me crazy. Hello all, Essentially what I am trying to get without much success on the issue is this: I want an icon in my template that, when you click on that certain icon (image), a drop down menu appears. You know when you click the file option in your browser's toolbar, and a drop down menu appears? It can be just like that, but instead of save as and open, links will be there to places within our intranet opened in a new window. This has to work for IEX 7+ because that's all our company decides to use. I tried to submit a chang erequest for them to move to a better CSS/Javascript supportive browser such as Opera, Firefox, Google Chrome... but they're way too fixed on IEX for some odd reason. I am obliged for any help on this. *edit* colors dont matter. It can be the default colors used in a basic drop down menu. I figure javascript would have more options though. Hello all..I am new to this forum and also new to html and js. I started college at the ripe old age of 55 and I have to take this course for my required degree I have a table 5 across with thumbnails inside and a larger cell at the bottom with a picture of me. I need to write a javascript function that will make the big picture change when I click on the thumbnail...there is also a smaller cell at the bottom that would change that text to a description as well,when thumbnail clicked. Ihave no clue where to start. Any help would be much appreciated!! Thanks In advance <style> .table th {border-style: solid; border-color: red;background-color: #CCCCFF; } </style> <body> <table border="1" class="table"> <thead> <th colspan = "5">Click an Image to Enlarge </th> </thead> <tbody> <tr> <td> <img src = "Thumbnails/ada1838-thumb.JPG" alt = "ada1838-thumb" > </td> <td> <img src = "Thumbnails/adaplaque-thumb.JPG" alt = "adaplaque-thumb"> </td> <td> <img src = "Thumbnails/babbageborn-thumb.JPG" alt = "babbageborn-thumb"> </td> <td> <img src = "Thumbnails/aediagram-thumb.JPG" alt = "aediagram-thumb"> </td> <td> <img src = "Thumbnails/babbage1860-thumb.JPG" alt = "babbage1860-thumb"> </td> </tr> <tr><td colspan= "5" ><img src= "All_Images/Me@home.JPG" alt = "Me @ Home" width = "800px" height= "800px" align="center"> </td> </tr> <thead> <th colspan = "5"> </th> </thead> </table> </body> </html> Hey all- trying to get this bit of js to work properly. I'm close, but the issue is that if the window is opened at a size that is SMALLER than the original image, it wont scale down to the smaller size until i first make the window bigger, THEN size it down smaller. The image itself is big (its fashion photography so it needs to be high res) and the js sets the minimum width at 1070. Id like to have the image as big as possible and then on page load automatically drop down to as low as 1070px if the window size is small. Here is the js: Code: jQuery.noConflict();
function screenSize() {
var w, h;
w = (
window.innerWidth ?
window.innerWidth :
(
document.documentElement.clientWidth ?
document.documentElement.clientWidth :
document.body.offsetWidth));
h = (
window.innerHeight ?
window.innerHeight :
(
document.documentElement.clientHeight ?
document.documentElement.clientHeight :
document.body.offsetHeight));
return {w:w, h:h};
}
jQuery(document).ready(function ()
{
if( screenSize().w > 1070 )
{
document.getElementById('home-page-bg-image').style.width = screenSize().w + 'px';
}
})
jQuery(window).resize(function()
{
if( screenSize().w > 1070 )
{
document.getElementById('home-page-bg-image').style.width = screenSize().w + 'px';
}
});
let me know if you have any ideas I have an iframe that is a specific height and width. I want to detect whenever the the iframe is no longer exactly the height i set it to. If a user has CSS turned off for example the iframe will be in default height and width. I want to detect that. This is how you'd normally do it but this only returns the original size (try with 'no style' in Firefox): Code: function getSize()
{
alert('height is now '+document.getElementById("Iframemain").height)
alert('height is now '+document.getElementById("Iframemain").width)
}
Is it possible? Hi, I want to know how we can get the cookie size. In Mozilla firefox i got Name Value Host Path Expire. The same way i want to get cookie size also . Please advise me how can i get it using javascript. I have this javascript to add a row to html: Code: <html>
<body>
<?php
$vendor = $_POST['vendor'];
$vendor_phone = $_POST['vendor_phone'];
$vendor_email = $_POST['vendor_email'];
?>
<table width=930>
<tr>
<td style="text-align: center" width=356><img src="http://www.shopphgmag.com/po/images/cwplogo.jpg"/><br>
<p ><br>
br>
Ph: <br>
Fax: </p></td>
<td width=500></td>
<td>
<Fieldset>
<legend>Purchase Order</legend>
Number:
</fieldset>
</td>
</tr>
<td colspan="3">
<fieldset>
<legend>Issued To</legend>
<table>
<tr>
<td>Vendor: </td>
<td><?php echo $vendor; ?></td>
</tr>
<tr>
<td>Vendor Phone: </td>
<td><?php echo $vendor_phone; ?></td>
</tr>
<tr>
<td>Vendor Email: </td>
<td><?php echo $vendor_email; ?></td>
</tr>
</table>
</fieldset
</td>
</table>
<script language="javascript">
function addRow()
{
var tbody = document.getElementById("po_table").getElementsByTagName("tbody")[0];
var row = document.createElement("TR");
var cell1 = document.createElement("TD");
var cell2 = document.createElement("TD");
var cell3 = document.createElement("TD");
var inp1 = document.createElement("INPUT");
inp1.setAttribute("type","text");
inp1.setAttribute("name","quantity[]");
cell1.appendChild(inp1);
var inp2 = document.createElement("INPUT");
inp2.setAttribute("type","text");
inp2.setAttribute("name","description[]");
cell2.appendChild(inp2);
var inp3 = document.createElement("INPUT");
inp3.setAttribute("type","text");
inp3.setAttribute("name","unit_cost[]");
cell3.appendChild(inp3);
row.appendChild(cell1);
row.appendChild(cell2);
row.appendChild(cell3);
tbody.appendChild(row);
}
function removeRow()
{
var table = document.getElementById("po_table").getElementsByTagName("tbody")[0];
var lastRow = table.rows.length;
if (lastRow > 2) table.deleteRow(lastRow - 1);
}
</script>
</head>
<body>
<form method="post" action="review_po.php">
<input type="button" value="Add Row" onClick="addRow();">
<input type="button" value="Delete Row" onclick="removeRow()">
<table id="po_table" border="1">
<tbody>
<tr>
<th bgcolor="#c1c1c1" width="30px">Quantity</th>
<th bgcolor="#c1c1c1" width="340px">Description</th>
<th bgcolor="#c1c1c1"width="30px">Unit Cost</th>
</tr>
<tr>
<td><input type=text name="quantity[]"></td>
<td><input type=text name="description[]" size="100"></td>
<td><input type=text name="unit_cost[]"></td>
</tr>
</tbody>
<tfoot>
<tr>
<th bgcolor="#e0e0e0">1</th>
<th bgcolor="#e0e0e0">Shipping</th>
<td><input type=text name="shipping"></td>
</tr>
<tr>
<th bgcolor="#e0e0e0">1</th>
<th bgcolor="#e0e0e0">Tax</th>
<td><input type=text name="tax"></td>
</tr>
</tfoot>
</table>
</br>
<table width=930>
<tr width=930>
<td><input type="submit" value="Back" name="/po/po/add_vendor.html" style="float:left"></td>
<td><input type="submit" value="Review" name="review_po" style="float:right"></td>
</tr>
</table>
</form>
</body>
</html>
It works great, but I need the var inp2 textbox to be size=100 I can't figure out how to do it. Here is my page: http://shopphgmag.com/po/po/add_items.php and you can see if you click "add row" it adds the row with a smaller text box than the other row I need to make a pop up window at a certain size containing just a form but i cant find anywhere the code to control window size. Can anyone post a quick example of it? Also it would be handly if the title bar was disabled too =P
I have dealt with window open before and i know how to adjust the size of the window in the parameters assigned but i have never dealt with window.opener before and have had several failed attempts and adjusting the window size here.. any help would be appreciated.. there is some inline css that i can change the background and stuff but i tried using height and width in the css to no avail, so i thought i would ask do i need to assign a new var inside the script ? how do i change the size. ? it needs to be 300x300 thanks Code:
<script language="JavaScript">
var host = '<?php echo $_SERVER['HTTP_HOST'];?>';
var win = false;
if (window.opener) {
win=window.opener;
} else if (top.document) {
win=top.document;
}
if (!win || win.location.href.toString().indexOf('<?php echo $parent_href;?>')==-1) {
window.location.href = '<?php echo $parent_href;?>';
}
Hi, I've written a function to change the font, this is working in IE but not in FF or Chrome. No errors come up in Firebug. Once this is working in both browsers I will change the function to gradually increase the size of the font to make it look as if the font is growing. This is why I haven't just assigned a class to the text. URL of the site with the script is http://dev.creativepanda.co.uk/ Function in question is - Code: function alterFontSize(){
var sizeElem = document.getElementById('sizeTest').style;
if(reverse == 0 && currentFontSize < endFontSize){
currentFontSize = endFontSize;
sizeElem.fontSize = currentFontSize;
}
}
Thanks for any help. I have the following code for an embed that I would like to add to my site. However, the embed is too large for the box I am trying to put it in on my social network. I tried to add height/width parameters, but it did not work. Is there a way to modify the size? Thanks!!! <div id="wb-9ez75d"></div><script type="text/javascript" src="http://flockdraw.com/embed/9ez75d"></script> |
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