Re: Image_Transform - new effects

From: Date: Wed, 14 Sep 2005 09:03:10 +0000
Subject: Re: Image_Transform - new effects
References: 1 2 3  Groups: php.pear.dev 
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On 9/14/05, Stoyan Stefanov <ssttoo@gmail.com> wrote: > > Have you tried those I added in PHP ext/gd? You have nearly all of > > them there. image_filter is the function to use them, one being > > particulary flexible is image_convolution(), it allows you to apply a > > custom 3x3 convolution matrix. > > Hi Pierre, > > Somehow I missed imagefilter(), but I saw the imageconvolution() and I > think it's a great addition! I have a question though, why 3x3 matrix > and not one with unlimited depth? performance problems, in a web environment, applying a 32x32 to a 1200x1000 picture is maybe not a good idea. But other function/ext come later. > What do you think, is it a good idea to add all those blur, sharpen, > etc to Image_Transform? This functionality also exists in ImageMagick > for example and adding it to Image_Transfrom will give it a consistent > interface, so a developer won't need to worry about those libraries, > but simply call the needed method. That would be something like Image > Library Abstraction Layer, ILAL ;) netpbm and friends do not have them. I will take a look, and wait other maintainers oppinions. Regards, --Pierre

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