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Diffstat (limited to 'src/blind-find-rectangle.c')
| -rw-r--r-- | src/blind-find-rectangle.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/blind-find-rectangle.c b/src/blind-find-rectangle.c index ac6e843..54cf2cc 100644 --- a/src/blind-find-rectangle.c +++ b/src/blind-find-rectangle.c @@ -111,18 +111,23 @@ main(int argc, char *argv[]) cache = emalloc2(stream.width + 1, sizeof(*cache)); buf = emalloc(stream.row_size); + if (argc > 3) + CHECK_ALPHA(&stream); + CHECK_N_CHAN(&stream, 1, 3 + !!stream.alpha); if (stream.encoding == DOUBLE) { colour_lf[0] = X; colour_lf[1] = Y; colour_lf[2] = Z; colour_lf[3] = alpha; process(colour_lf); - } else { + } else if (stream.encoding == FLOAT) { colour_f[0] = (float)X; colour_f[1] = (float)Y; colour_f[2] = (float)Z; colour_f[3] = (float)alpha; process(colour_f); + } else { + eprintf("pixel format %s is not supported, try xyza\n", stream.pixfmt); } fshut(stdout, "<stdout>"); |