static BablPalette *
make_pal (const Babl *pal_space,
const Babl *format,
const void *data,
int count)
{
BablPalette *pal = NULL;
int bpp = babl_format_get_bytes_per_pixel (format);
babl_assert (count > 0);
pal = babl_malloc (sizeof (BablPalette));
pal->count = count;
pal->format = format;
pal->data = babl_malloc (bpp * count);
pal->data_double = babl_malloc (4 * sizeof(double) * count);
pal->data_u8 = babl_malloc (4 * sizeof(char) * count);
pal->radii = babl_malloc (sizeof (BablPaletteRadius) *
(pal->count - 1) *
pal->count);
memcpy (pal->data, data, bpp * count);
babl_process (babl_fish (format, babl_format_with_space ("RGBA double", pal_space)),
data, pal->data_double, count);
babl_process (babl_fish (format, babl_format_with_space ("R'G'B'A u8", pal_space)),
data, pal->data_u8, count);
babl_palette_init_radii (pal);
babl_palette_reset_hash (pal);
return pal;
}
static BablPalette *
default_palette (void)
{
static BablPalette pal;
static int inited = 0;
babl_mutex_lock (babl_format_mutex);
if (inited)
{
babl_mutex_unlock (babl_format_mutex);
return &pal;
}
init_ceil_sqrt_u8 ();
memset (&pal, 0, sizeof (pal));
pal.count = 16;
pal.format = babl_format ("R'G'B'A u8"); /* dynamically generated, so
the default palette can
not be fully static.
*/
pal.data = defpal_data;
pal.data_double = defpal_double;
pal.data_u8 = defpal_data;
pal.radii = defpal_radii;
babl_process (babl_fish (pal.format, babl_format ("RGBA double")),
pal.data, pal.data_double, pal.count);
babl_palette_init_radii (&pal);
babl_palette_reset_hash (&pal);
inited = 1;
babl_mutex_unlock (babl_format_mutex);
return &pal;
}
static BablPalette *make_pal (const Babl *format, const void *data, int count)
{
BablPalette *pal = NULL;
int bpp = babl_format_get_bytes_per_pixel (format);
pal = babl_malloc (sizeof (BablPalette));
pal->count = count;
pal->format = format;
pal->data = babl_malloc (bpp * count);
pal->data_double = babl_malloc (4 * sizeof(double) * count);
pal->data_u8 = babl_malloc (4 * sizeof(char) * count);
memcpy (pal->data, data, bpp * count);
babl_process (babl_fish (format, babl_format ("RGBA double")),
data, pal->data_double, count);
babl_process (babl_fish (format, babl_format ("RGBA u8")),
data, pal->data_u8, count);
babl_palette_reset_hash (pal);
return pal;
}
static BablPalette *default_palette (void)
{
static BablPalette pal;
static int inited = 0;
if (inited)
return &pal;
memset (&pal, 0, sizeof (pal));
inited = 1;
pal.count = 16;
pal.format = babl_format ("RGBA u8"); /* dynamically generated, so
the default palette can
not be fully static.
*/
pal.data = defpal_data;
pal.data_double = defpal_double;
pal.data_u8 = defpal_data;
babl_process (babl_fish (pal.format, babl_format ("RGBA double")),
pal.data, pal.data_double, pal.count);
babl_palette_reset_hash (&pal);
return &pal;
}
