Re: Copy imagedata from img-tag

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Forum / Copy imagedata from img-tag

These links seem relevant:
http://stackoverflow.com/questions/934012/get-image-data-in-javascript
http://stackoverflow.com/questions/366145/image-manipulation-with-javascript

It is rather dependent on the browser though, since the <canvas> element is not (natively) supported in Internet Explorer, and probably not in most older web browsers.
Another, possibly easier, solution is to simply use a proxy for the image, and cache the image at server side.

Simon

How do i get the imagedata from a loaded img?
if i have:
<img id='myImage' src='generate_image.php' />
and then i want to copy the current picture and send it whit ajax.
Can i do something like:
var image_data = document.getElementById('myImage').data;
(I can't use ajax or read the file, as it generate a new picture each time, i need to copy the current one)
(can read answers in both swedish and english)

Postat av Simon (213.89.66.60) den 19 December, 2009 kl 22:31:42.
Som svar på: Copy imagedata from img-tag postat av Puggan den 18 December, 2009 kl 19:08:29.

Svar på inlägget:

Re: Copy imagedata from img-tag Puggan 15:24:13 12/28/09 (1)
- Re: Copy imagedata from img-tag Simon 21:15:28 12/29/09 (0)

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<citat> These links seem relevant: <url>http://stackoverflow.com/questions/934012/get-image-data-in-javascript</url> <url>http://stackoverflow.com/questions/366145/image-manipulation-with-javascript</url> It is rather dependent on the browser though, since the <canvas> element is not (natively) supported in Internet Explorer, and probably not in most older web browsers. Another, possibly easier, solution is to simply use a proxy for the image, and cache the image at server side. Simon <citat> How do i get the imagedata from a loaded img? if i have: <img id='myImage' src='generate_image.php' /> and then i want to copy the current picture and send it whit ajax. Can i do something like: var image_data = document.getElementById('myImage').data; (I can't use ajax or read the file, as it generate a new picture each time, i need to copy the current one) (can read answers in both swedish and english) </citat> </citat>

Ja tack, maila mig om andra svarar på detta inlägg.

Ja tack, maila mig om andra svarar på mitt inlägg.

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