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Topic: Flip an Image  (Read 5641 times)
dlewis23
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« on: September 19, 2006, 02:44:29 PM »
Im looking for some code that will flip an image virtucaly. ive looked all over and have found nothing.

i am trying to do something like the attached picture
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Aggr3
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« Reply #1 on: September 19, 2006, 02:59:35 PM »
try mirror image....then rotate 180 degrees..
 ;)
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« Reply #2 on: September 19, 2006, 03:06:42 PM »
Quote from: Aggr3 on September 19, 2006, 02:59:35 PM
try mirror image....then rotate 180 degrees..
 ;)

even that way im still stuck because i still need code that will rotate a image. Im not just doing this for 1 image its for 1000's so i need it to do it dynamically with just code.
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tommie gorman
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« Reply #3 on: September 19, 2006, 05:51:05 PM »
Just turn the monitor upside down.  ;)
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« Reply #4 on: September 19, 2006, 05:53:54 PM »
try this..... nono thefinger

sorry couldn't resist....lol   :haha:
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« Reply #5 on: September 19, 2006, 06:09:10 PM »
Quote from: tommie gorman on September 19, 2006, 05:51:05 PM
Just turn the monitor upside down.  ;)

i dont think that will work  :haha: :haha:
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waterRTBH
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« Reply #6 on: September 19, 2006, 06:21:14 PM »
Quote from: dlewis23 on September 19, 2006, 06:09:10 PM
i dont think that will work  :haha: :haha:

What kind of code do you wish to do this with?  It may be possible with php and the gd library.  Also, Photoshop has a 'batch' command that could be used to automate this as well if you wants an easier way out?

Yes? no?
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« Reply #7 on: September 19, 2006, 06:24:47 PM »
Quote from: waterRTBH on September 19, 2006, 06:21:14 PM
What kind of code do you wish to do this with?  It may be possible with php and the gd library.  Also, Photoshop has a 'batch' command that could be used to automate this as well if you wants an easier way out?

Yes? no?

no it has to be done server side, when the user requests the file, this is for all the users files that are uploaded now, and in the future.
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waterRTBH
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« Reply #8 on: September 20, 2006, 04:45:59 AM »
OK

This is in PHP:

// File and rotation
$filename = 'test.jpg';
$degrees = 180;

// Content type
header('Content-type: image/jpeg');

// Load
$source = imagecreatefromjpeg($filename);

// Rotate
$rotate = imagerotate($source, $degrees, 0);

// Output
imagejpeg($rotate);


Good luck, hope it works.
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« Reply #9 on: September 20, 2006, 07:33:51 AM »
that didnt work water, im just going to have to write it out my self in some javascript. thanks for your help tho.
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« Reply #10 on: September 20, 2006, 08:25:15 AM »
http://cow.neondragon.net/stuff/reflection/


This site has everything you need for this particular function - its a java script
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dlewis23
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« Reply #11 on: September 20, 2006, 08:27:14 AM »
Quote from: disturbed on September 20, 2006, 08:25:15 AM
http://cow.neondragon.net/stuff/reflection/


This site has everything you need for this particular function - its a java script

thank you so much, thats exactly what i want.
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disturbed
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« Reply #12 on: September 20, 2006, 08:29:58 AM »
u got it  ;)
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« Reply #13 on: September 20, 2006, 04:56:20 PM »
Javascript will work for client end image flipping; however, if you want to have this take place at the server end you'll need to use some form of cgi, such as perl or php.  The code posted above definitely will work for this purpose, as long as your server host allows you to use php and supports the standard GD library (this is pretty standard, so they should).  As a proof of concept, I setup a test script with the following code:

You can see the before picture at: http://www.secondshifters.com/images/WaterRTBH.jpg
and the after picture at http://www.secondshifters.com/test.php

If you'd like to post or email the code in that you're using for your site, I should be able to integrate this in relatively easily for you if you still want a server end solution to this.
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To lead people, walk beside them... As for the best leaders, the people do not notice their existence. The next best, the people honor and praise. The next, the people fear; and the next, the people hate... When the best leader's work is done the people say, 'We did it ourselves!' ~Lao Tzu
waterRTBH
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« Reply #14 on: September 20, 2006, 05:00:44 PM »
Whooops! Forgot the code. dangit!

<?php

// File and rotation
$filename = 'images/WaterRTBH.jpg';
$degrees = 180;

// Content type
header('Content-type: image/jpeg');

// Load
$source = imagecreatefromjpeg($filename);

// Rotate
$rotate = imagerotate($source, $degrees, 0);

// Output
imagejpeg($rotate);


?>
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To lead people, walk beside them... As for the best leaders, the people do not notice their existence. The next best, the people honor and praise. The next, the people fear; and the next, the people hate... When the best leader's work is done the people say, 'We did it ourselves!' ~Lao Tzu
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