static int
test2(void)
{
sixel_dither_t *dither = NULL;
int colors;
int nret = EXIT_FAILURE;
#if HAVE_DIAGNOSTIC_DEPRECATED_DECLARATIONS
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
dither = sixel_dither_create(INT_MAX);
#if HAVE_DIAGNOSTIC_DEPRECATED_DECLARATIONS
# pragma GCC diagnostic pop
#endif
if (dither == NULL) {
goto error;
}
sixel_dither_set_body_only(dither, 1);
colors = sixel_dither_get_num_of_histogram_colors(dither);
if (colors != -1) {
goto error;
}
nret = EXIT_SUCCESS;
error:
sixel_dither_unref(dither);
return nret;
}
static SIXELSTATUS
output_sixel(unsigned char *pixbuf, int width, int height,
int ncolors, int pixelformat)
{
sixel_output_t *context;
sixel_dither_t *dither;
SIXELSTATUS status;
#if USE_OSMESA
pixelformat = SIXEL_PIXELFORMAT_RGBA8888;
#endif
context = sixel_output_create(sixel_write, stdout);
dither = sixel_dither_create(ncolors);
status = sixel_dither_initialize(dither, pixbuf,
width, height,
pixelformat,
SIXEL_LARGE_AUTO,
SIXEL_REP_AUTO,
SIXEL_QUALITY_AUTO);
if (SIXEL_FAILED(status))
return status;
status = sixel_encode(pixbuf, width, height,
pixelformat, dither, context);
if (SIXEL_FAILED(status))
return status;
sixel_output_unref(context);
sixel_dither_unref(dither);
return status;
}
static int
test1(void)
{
sixel_dither_t *dither = NULL;
int nret = EXIT_FAILURE;
#if HAVE_DIAGNOSTIC_DEPRECATED_DECLARATIONS
# pragma GCC diagnostic push
# pragma GCC diagnostic ignored "-Wdeprecated-declarations"
#endif
dither = sixel_dither_create(0);
#if HAVE_DIAGNOSTIC_DEPRECATED_DECLARATIONS
# pragma GCC diagnostic pop
#endif
if (dither == NULL) {
goto error;
}
sixel_dither_ref(dither);
sixel_dither_unref(dither);
nret = EXIT_SUCCESS;
error:
sixel_dither_unref(dither);
return nret;
}