[Typo3-dev] use IM combine funtion in an extension

Zach Davis zach at castironcoding.com
Tue Feb 22 15:56:30 CET 2005


Kraft Bernhard wrote:
> Zach Davis wrote:
> 
>> [...] first, it didn't make sense to create gifs (256 colors max) for 
>> photos in an image gallery. [...]
> 
> 
> temp.myimage = IMAGE
> temp.myimage {
>   format = jpg
>   ...
> }
> 
> will resolve the problem with gif's and 256 colors. if you use png
> it depends on wheter you use the "reduceColors" option. If you don't use it
> and you don't make a direct "-colors 256" in .params of SCALE or
> "colors=256" in the .value of an EFFECT gifbuilder object then the colors
> in the png won't be changed.
> 
> if you want to transfrom your png to 24bit colors you will have to do 
> something
> like
> 10 = SCALE
> 10 {
>   params = -colorspace rgb
> }
> 
> 
> but I don't know if that will work for png's (i think it is used by 
> ImageMagick just
> for JPG's ... but who knows :)
> 
> 
> greets,
> Bernhard

I was under the impression that setting the format like this would just 
output a jpg, but that it would still be limited to the 256 colors, but 
maybe that's just for gifbuilder, or maybe I'm wrong. I am by no  means 
a pro when it comes to T3's image handling methods.

Zach




More information about the TYPO3-dev mailing list