Le Fri, 29 Apr 2011 10:42:58 -0430,
PICCORO McKAY Lenz <mckaygerhard@...> a �crit :

> please i send before a issue about merge patches.. libpng 1.4 its
> only in few linux dist, only the win-alike dist..
> 
> debian, slack, funtoo, win-buntu, debian-derivatives and some small
> dont use yet libpng 1.4 , the amount of users that use tde 3.5.1X
> dont are win-hat, win-suse or lasted slackware, its commonly debian
> or win-.buntu users..
-Slackware <= 13.0 uses libpng 1.2
-Slackware 13.1 uses libpng 1.2 and 1.4
-Slackware >=13.37 uses libpng 1.4
so windists are not the only dists using libpng 1.4 exclusively (or
is Slackware a windist ? :D)
> 
> libpng patches must use a -D macro definet to use nwer or older
> version alternate!
> 
> or this patch must be inplemented outside normal release of qt3. by
> example in every specific distribution as Arch do in the kde3
> alternate proyect.
> 
> On Thu, Apr 28, 2011 at 4:35 PM, Baho Utot
> <baho-utot@...>wrote:
> 
> > On 04/28/2011 12:49 PM, PICCORO McKAY Lenz wrote:
> >
> >> Hi Hello! everyone.
> >>
> >> in this fashion API changes these days, I found that debian and
> >> winbuntu old lasted revisions, has old libpng 1.2, especialy lenny
> >> with 1.2.22, which means that the patchs for libpng 1.4 support on
> >> qt3 for trinity can make impossible compile into Debian squeeze,
> >> testing inlcusive, as win-buntu 9.XX, it should be modified to use
> >> a macro -LIB_PNG_14 or something similar .. I do not remember how
> >> to work with this but if I can do for the weekend..
> >>
> >> If some body can do that , please change the patch for use
> >> optionaly both library versions...
> >>
> >> If i can resolve all issues, i do a qt3 3.3.c tar gzipped release
> >> alternate for ready download in public, for easy acces to novice
> >> developers
> >>
> >>  I have libpng 1.4.5-1 installed and this patch for qt3 works for
> >> me
> >
> > --- src/kernel/qpngio.cpp.orig    2010-01-16 22:02:41.000000000
> > +0100 +++ src/kernel/qpngio.cpp    2010-01-16 22:03:56.000000000
> > +0100 @@ -159,7 +159,7 @@
> >         image.setColor( i, qRgba(c,c,c,0xff) );
> >         }
> >         if ( png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS) ) {
> > -        const int g = info_ptr->trans_values.gray;
> > +        const int g = info_ptr->trans_color.gray;
> >         if (g < ncols) {
> >             image.setAlphaBuffer(TRUE);
> >             image.setColor(g, image.color(g) & RGB_MASK);
> > @@ -187,7 +187,7 @@
> >             info_ptr->palette[i].red,
> >             info_ptr->palette[i].green,
> >             info_ptr->palette[i].blue,
> > -            info_ptr->trans[i]
> > +            info_ptr->trans_alpha[i]
> >             )
> >         );
> >         i++;
> > @@ -321,9 +321,9 @@
> >  png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS)
> >     if (image.depth()==32 && png_get_valid(png_ptr, info_ptr,
> > PNG_INFO_tRNS)) {
> >     QRgb trans = 0xFF000000 | qRgb(
> > -          (info_ptr->trans_values.red << 8 >> bit_depth)&0xff,
> > -          (info_ptr->trans_values.green << 8 >> bit_depth)&0xff,
> > -          (info_ptr->trans_values.blue << 8 >> bit_depth)&0xff);
> > +          (info_ptr->trans_color.red << 8 >> bit_depth)&0xff,
> > +          (info_ptr->trans_color.green << 8 >> bit_depth)&0xff,
> > +          (info_ptr->trans_color.blue << 8 >> bit_depth)&0xff);
> >     for (uint y=0; y<height; y++) {
> >         for (uint x=0; x<info_ptr->width; x++) {
> >         if (((uint**)jt)[y][x] == trans) {
> >
> >
> >
> >
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> 
>