diff options
Diffstat (limited to 'src/blind-extract-alpha.c')
| -rw-r--r-- | src/blind-extract-alpha.c | 60 |
1 files changed, 32 insertions, 28 deletions
diff --git a/src/blind-extract-alpha.c b/src/blind-extract-alpha.c index f65042a..6b94c19 100644 --- a/src/blind-extract-alpha.c +++ b/src/blind-extract-alpha.c @@ -1,36 +1,11 @@ /* See LICENSE file for copyright and license details. */ +#ifndef TYPE #include "common.h" USAGE("colour-file") -#define PROCESS(TYPE, SUFFIX)\ - static void\ - process_##SUFFIX(struct stream *stream, int fd, const char *fname)\ - {\ - char buf[sizeof(stream->buf)];\ - size_t i, j, n;\ - TYPE a, *p, *b;\ - do {\ - n = stream->ptr / stream->pixel_size;\ - p = (TYPE *)(stream->buf) + stream->n_chan - 1;\ - b = (TYPE *)buf;\ - for (i = 0; i < n; i++, p += stream->n_chan) {\ - a = *p, *p = 1;\ - for (j = stream->n_chan - 1; j--;)\ - *b++ = a;\ - *b++ = 1;\ - }\ - n *= stream->pixel_size;\ - ewriteall(fd, stream->buf, n, fname);\ - ewriteall(STDOUT_FILENO, buf, n, "<stdout>");\ - memmove(stream->buf, stream->buf + n, stream->ptr -= n);\ - } while (eread_stream(stream, SIZE_MAX));\ - if (stream->ptr)\ - eprintf("%s: incomplete frame\n", stream->file);\ - } - -PROCESS(double, lf) -PROCESS(float, f) +#define FILE "blind-extract-alpha.c" +#include "define-functions.h" int main(int argc, char *argv[]) @@ -59,3 +34,32 @@ main(int argc, char *argv[]) process(&stream, fd, argv[0]); return 0; } + +#else + +static void +PROCESS(struct stream *stream, int fd, const char *fname) +{ + char buf[sizeof(stream->buf)]; + size_t i, j, n; + TYPE a, *p, *b; + do { + n = stream->ptr / stream->pixel_size; + p = (TYPE *)(stream->buf) + stream->n_chan - 1; + b = (TYPE *)buf; + for (i = 0; i < n; i++, p += stream->n_chan) { + a = *p, *p = 1; + for (j = stream->n_chan - 1; j--;) + *b++ = a; + *b++ = 1; + } + n *= stream->pixel_size; + ewriteall(fd, stream->buf, n, fname); + ewriteall(STDOUT_FILENO, buf, n, "<stdout>"); + memmove(stream->buf, stream->buf + n, stream->ptr -= n); + } while (eread_stream(stream, SIZE_MAX)); + if (stream->ptr) + eprintf("%s: incomplete frame\n", stream->file); +} + +#endif |