[TYPO3-core] RFC: #15184 Generation transparent images with GMENU fails

[Helmut Hummel]

On 09.11.10 13:17, Mathias Schreiber [wmdb >] wrote:
> 
> My current tests are:
> v4.4.4 plain
> gm 1.1.11 (maybe fuckup is here somewhere?)
> gm LZW path is empty (or here?)

php 5.2.13
gdlib 2.0.34
freetype 2.3.9
gm 1.3.12

> Following tests performed:
> a) gdlib_png = 1 && not patched
> Transparent PNG generated (artifact border kinda weird, but hey.. it's 
> transparent)
> http://www.wmdb.de/fileadmin/t3core/test_a.png
> 
> b) gdlib_png = 1 && patched
> Transparent PNG generated (artifact border kinda weird, but hey.. it's 
> transparent)
> http://www.wmdb.de/fileadmin/t3core/test_b.png
> 
> c) gdlib_png = 0 && not patched
> Transparency fails (that's the bug I'm refering to)
> http://www.wmdb.de/fileadmin/t3core/test_c.gif
> 
> d) gdlib_png = 0 && patched
> Transparent GIF created, artifact borders look WAY better than on PNG
> http://www.wmdb.de/fileadmin/t3core/test_d.gif

With or without patch, with or without gdlib_png, transparency works
here with the given TS.

imagecolorexact() and imagecolorclosest() are returning the same value:
int(16711935)

Regards Helmut