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javascript Programming Glossary: imageHow can I get jQuery to perform a synchronous, rather than asynchronous, AJAX request? http://stackoverflow.com/questions/133310/how-can-i-get-jquery-to-perform-a-synchronous-rather-than-asynchronous-ajax-re
How can you encode a string to Base64 in JavaScript? http://stackoverflow.com/questions/246801/how-can-you-encode-a-string-to-base64-in-javascript in JavaScript I have a PHP script that can encode a PNG image to a Base64 string. I'd like to do the same thing using JavaScript... binary data and not text. See also How do I load binary image data using Javascript and XMLHttpRequest share improve this..
http://stackoverflow.com/questions/476679/preloading-images-with-jquery images with jQuery I'm looking for a quick and easy way to preload.. jQuery I'm looking for a quick and easy way to preload images with JavaScript. I'm using jQuery if that's important. I saw.. size I just need a quick easy and short way of preloading images javascript jquery image share improve this question Quick..
Using HTML5/Canvas/Javascript to take screenshots http://stackoverflow.com/questions/4912092/using-html5-canvas-javascript-to-take-screenshots working on a script which converts html into an canvas image. Decided today to make an implementation of it into sending.. not require any rendering from the server as the whole image is created on the clients browser. The HTML2Canvas script itself.. would want it to nor does it have any support to load CORS images even if a proxy was available. Still quite limited browser..
http://stackoverflow.com/questions/934012/get-image-data-in-javascript image data in Javascript I have a regular HTML page with some images.. data in Javascript I have a regular HTML page with some images just regular IMG HTML tags . I'd like to get their content.. encoded preferably without the need to redownload the image ie. it's already loaded by the browser so now I want the content..
How to use javascript or jQuery to read a pixel of an image? http://stackoverflow.com/questions/1041399/how-to-use-javascript-or-jquery-to-read-a-pixel-of-an-image draw the image in a canvas element then you can use the getImageData method to return an array containing RGBA values. var img.. to return an array containing RGBA values. var img new Image img.src 'image.jpg' var context document.getElementById 'canvas'.. 'canvas' .getContext '2d' context.drawImage img 0 0 data context.getImageData x y 1 1 .data share improve..
How to save a HTML5 Canvas as Image on a server http://stackoverflow.com/questions/13198131/how-to-save-a-html5-canvas-as-image-on-a-server to save a HTML5 Canvas as Image on a server I'm working on a generative art project where I.. php and ajax Which led to the javscript code function saveImage var canvasData canvas.toDataURL image png var ajax new XMLHttpRequest.. Dali's link I changed the ajax request to be function saveImage var canvasData canvas.toDataURL image png var xmlHttpReq false..
Example images for code and mark-up Q&As http://stackoverflow.com/questions/19209650/example-images-for-code-and-mark-up-qas Stromlo near Canberra Australia. Categories jpeg slideshow Image Transitions Details 480x320 px JPEGs x 4. Displayed here at..
Determine original size of image cross browser? http://stackoverflow.com/questions/1944280/determine-original-size-of-image-cross-browser offsetWidth and offsetHeight Option 2 Create a JavaScript Image object set the src and read the width and height you don't even.. to do this . function getImgSize imgSrc var newImg new Image newImg.onload function var height newImg.height var width newImg.width..
Turn a number into star rating display using jQuery and CSS http://stackoverflow.com/questions/1987524/turn-a-number-into-star-rating-display-using-jquery-and-css 80px height 16px span.stars span background position 0 0 Image Note do NOT hotlink to the above image Copy the file to your..
Resizing an image in an HTML5 canvas http://stackoverflow.com/questions/2303690/resizing-an-image-in-an-html5-canvas the relevant code reader.onloadend function e var img new Image var ctx canvas.getContext 2d var canvasCopy document.createElement.. img.width canvasCopy.height img.height copyContext.drawImage img 0 0 canvas.width img.width ratio canvas.height img.height.. img.width ratio canvas.height img.height ratio ctx.drawImage canvasCopy 0 0 canvasCopy.width canvasCopy.height 0 0 canvas.width..
Why does canvas.toDataURL() throw a security exception? http://stackoverflow.com/questions/2390232/why-does-canvas-todataurl-throw-a-security-exception frame.height 100 var ctx frame.getContext 2d var img new Image img.src http www.ansearch.com images interface item small image.png.. small image.png img.onload function draw image ctx.drawImage img 0 0 Here's where the error happens window.open frame.toDataURL..
Image resizing client-side with javascript before upload to the server http://stackoverflow.com/questions/2434458/image-resizing-client-side-with-javascript-before-upload-to-the-server resizing client side with javascript before upload to the server..
Is it possible to ping a server from Javascript? http://stackoverflow.com/questions/4282151/is-it-possible-to-ping-a-server-from-javascript accomplishes this with a very clever usage of the native Image object. From their source this is the main function it has dependences.. callback this.ip ip var _that this this.img new Image this.img.onload function _that.good this.img.onerror function..
http://stackoverflow.com/questions/476679/preloading-images-with-jquery this question Quick and easy function preload arrayOfImages arrayOfImages .each function ' img ' 0 .src this Alternatively.. Quick and easy function preload arrayOfImages arrayOfImages .each function ' img ' 0 .src this Alternatively you could.. ' img ' 0 .src this Alternatively you could use new Image .src this Usage preload 'img imageName.jpg' 'img anotherOne.jpg'..
Should setting an image src to data URL be available immediately? http://stackoverflow.com/questions/4776670/should-setting-an-image-src-to-data-url-be-available-immediately Consider the following fragile JavaScript code var img new Image img.src data image png base64 ... Assume valid data Danger Attempting.. src console.log img.width img.height someCanvasContext.drawImage img 0 0 Danger Setting onload after setting src img.onload function.. height width is not correct immediately after setting drawImage fails. The onload handler does fire however. Loading the page..
Force Download an Image Using Javascript http://stackoverflow.com/questions/6796974/force-download-an-image-using-javascript Download an Image Using Javascript I want to know if there is any way to make..
Capture HTML Canvas as gif/jpg/png/pdf? http://stackoverflow.com/questions/923885/capture-html-canvas-as-gif-jpg-png-pdf png with the value in IMG you can write it out as a new Image like so document.write ' img src ' img ' ' share improve this..
Javascript: Cancel/Stop Image Requests http://stackoverflow.com/questions/930237/javascript-cancel-stop-image-requests Cancel Stop Image Requests I have a website that makes heavy use of Ajax. Occasionally..
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