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Diffstat (limited to 'src/interpolation.c')
| -rw-r--r-- | src/interpolation.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/src/interpolation.c b/src/interpolation.c index 7a2303d..6253800 100644 --- a/src/interpolation.c +++ b/src/interpolation.c @@ -150,10 +150,14 @@ void interpolate_cmap(flam3_palette cmap, double blend, int index0, double hue0, int index1, double hue1) { flam3_palette p0,p1; - int i, j; - - flam3_get_palette(index0, p0, hue0); - flam3_get_palette(index1, p1, hue1); + int i, j, rcode; + + rcode = flam3_get_palette(index0, p0, hue0); + if (rcode<0) + fprintf(stderr,"unable to retrieve palette %d, setting to white\n", index0); + rcode = flam3_get_palette(index1, p1, hue1); + if (rcode<0) + fprintf(stderr,"unable to retrieve palette %d, setting to white\n", index1); for (i = 0; i < 256; i++) { double t[5], s[5]; |