PHP Classes

watermarking

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Subject:watermarking
Summary:image quality
Messages:2
Author:chris
Date:2005-07-13 10:28:49
Update:2006-10-12 22:39:42
 

  1. watermarking   Reply   Report abuse  
Picture of chris chris - 2005-07-13 10:28:49
The watermarking works perfectly but the output JPEG image quality is grainy and poor - is there any way to set the quality of the output file?

  2. Re: watermarking   Reply   Report abuse  
Picture of Paul Millard Paul Millard - 2006-10-12 22:39:42 - In reply to message 1 from chris
It's the randomizing of the pixels that does it, just go to line 162 or thereabouts, and comment out the if line that is doing that, and set randomizer to 0:

#if ($stampAverage>10) $randomizer=rand(-transparentWatermarkRandPixelLightLevel, +transparentWatermarkRandPixelLightLevel);
#else $randomizer=0;
$randomizer = 0;

That should fix it. Then use a PNG-24 or PNG-8 set to transparent, and set the layer to 20-50% opacity.