guijan
/
legacy-imlib2
forked from old/legacy-imlib2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PNM saver: Write images with alpha as P7 PAM RGB_ALPHA type 

The previously used P8 type seems to be known only by imlib2.
This commit is contained in:
Kim Woelders 2023-01-22 09:45:18 +01:00
parent 1ca706b79a
commit 00dcf6851f
1 changed files with 20 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
src/modules/loaders/loader_pnm.c
View File

@ -593,6 +593,24 @@ _load(ImlibImage * im, int load_data)
return rc;
}
/**INDENT-OFF**/
static const char fmt_rgb[] =
"P6\n"
"# PNM File written by Imlib2\n"
"%i %i\n"
"255\n";
static const char fmt_rgba[] =
"P7\n"
"# PAM File written by Imlib2\n"
"WIDTH %d\n"
"HEIGHT %d\n"
"DEPTH 4\n"
"MAXVAL 255\n"
"TUPLTYPE RGB_ALPHA\n"
"ENDHDR\n";
/**INDENT-ON**/
static int
_save(ImlibImage * im)
{
@ -618,8 +636,7 @@ _save(ImlibImage * im)
/* if the image has a useful alpha channel */
if (im->has_alpha)
{
fprintf(f, "P8\n" "# PNM File written by Imlib2\n" "%i %i\n" "255\n",
im->w, im->h);
fprintf(f, fmt_rgba, im->w, im->h);
for (y = 0; y < im->h; y++)
{
bptr = buf;
@ -641,8 +658,7 @@ _save(ImlibImage * im)
}
else
{
fprintf(f, "P6\n" "# PNM File written by Imlib2\n" "%i %i\n" "255\n",
im->w, im->h);
fprintf(f, fmt_rgb, im->w, im->h);
for (y = 0; y < im->h; y++)
{
bptr = buf;