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Imagemagick and setting up the maximum area of thumbnail

Posted on 2007-11-14
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Last Modified: 2010-04-21
Hi,

I have this command:

convert $src -quality 90 -resize 580x580 -colorspace RGB -density 72x72 -units PixelsPerInch $dst

Is there a way to specify that I want an image to be resized to 50% but the resulting image should not exeed 500X500, so if the 50% is bigger then it should bring it down to fit to 500X500?

Thanks,
John
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Question by:infodigger
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6 Comments
 
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Expert Comment

by:nizsmo
ID: 20288388
are you executing this command in PHP or through commandline?
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Author Comment

by:infodigger
ID: 20288463
Through php (shell_exec)
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LVL 21

Expert Comment

by:nizsmo
ID: 20288469
and I assume the $src variable is the path to the image?
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Author Comment

by:infodigger
ID: 20288514
Yes, $src and $dst are paths of original image and converted image.
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Accepted Solution

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nizsmo earned 500 total points
ID: 20297072
Not sure if this is what you want, but here it is see if you get what I am trying to do.
You have to fill in the commands though since I am not entirely sure of the exact commands.
<?php
	$src = "images/picture.jpg";
	$result = getimagesize($src);
	
	if(($result[0]/2) > 500 || ($result[1]/2) > 500) // checking if 50% is bigger than 500x500 (both x and y has to be under 500)
	{
		$execute_string = "COMMAND HERE FOR IF THE IMAGE AFTER 50% IS BIGGER THAN 500x500";
	}
	else 
	{
		$execute_string = "COMMAND HERE FOR IF THE IMAGE AFTER 50% IS NO BIGGER THAN 500x500";
	}
	
	shell_exec($execute_string);
?>

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Author Closing Comment

by:infodigger
ID: 31409164
Hi nizsmo,

Yes, that was what I was looking for, but never thought of it like that:)

Thanks,
John
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