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commit b2930cfac623e072342fd297ad3b82e28e2aba83 Author: Cyril Hrubis metan@ucw.cz Date: Sun Feb 19 15:10:09 2012 +0100

demos: grinder fix resize algs, add output format switch.

diff --git a/demos/grinder/grinder.c b/demos/grinder/grinder.c index 4df4004..61ec494 100644 --- a/demos/grinder/grinder.c +++ b/demos/grinder/grinder.c @@ -81,6 +81,8 @@ static void print_error(const char *error)

static const char *resize_algs[] = { "nn", + "linear-int", + "linear-lf-int", "cubic", "cubic-int", NULL @@ -136,6 +138,8 @@ static GP_RetCode resize(GP_Context **c, const char *params)

static const char *scale_algs[] = { "nn", + "linear-int", + "linear-lf-int", "cubic", "cubic-int", NULL @@ -781,6 +785,7 @@ static const char *app_help = { "-h - prints this help n" "-p - show filter progress n" "-v int - sets gfxprim verbosity level n" + "-o fmt - output format, ppm, jpg, png n" "-f params - apply filter, multiple filters may be usedn" " n" " Example usage n" @@ -803,17 +808,58 @@ static void print_help(void) print_filter_help(); }

+static const char *out_fmts[] = { + "ppm", + "jpg", + "png", + NULL +}; + +static void check_fmt(const char *fmt) +{ + unsigned int i; + + for (i = 0; out_fmts[i] != NULL; i++) + if (!strcmp(out_fmts[i], fmt)) + break; + + fprintf(stderr, "Invalid output format '%s'n", fmt); +} + +static void save_by_fmt(struct GP_Context *bitmap, const char *name, const char *fmt) +{ + GP_RetCode ret; + + progress_prefix = "Saving Image"; + + if (!strcmp(fmt, "ppm")) + ret = GP_SavePPM(name, bitmap, "b"); + else if (!strcmp(fmt, "jpg")) + ret = GP_SaveJPG(name, bitmap, progress_callback); + else if (!strcmp(fmt, "png")) + ret = GP_SavePNG(name, bitmap, progress_callback); + + if (ret) { + fprintf(stderr, "Failed to save bitmap: %sn", GP_RetCodeName(ret)); + exit(1); + } + + if (progress_callback != NULL) + fprintf(stderr, " donen"); +} + int main(int argc, char *argv[]) { GP_Context *bitmap; GP_RetCode ret; int opt, i; + const char *out_fmt = "ppm";

GP_ProgressCallback callback = { .callback = show_progress, };

- while ((opt = getopt(argc, argv, "f:hpv:")) != -1) { + while ((opt = getopt(argc, argv, "f:ho:pv:")) != -1) { switch (opt) { case 'h': print_help(); @@ -831,6 +877,10 @@ int main(int argc, char *argv[])

GP_SetDebugLevel(i); break; + case 'o': + out_fmt = optarg; + check_fmt(out_fmt); + break; case 'f': add_filter(optarg); break; @@ -847,11 +897,11 @@ int main(int argc, char *argv[]) fprintf(stderr, "ERROR: Expected bitmap filenamesn"); return 1; } - + for (i = optind; i < argc; i++) { char buf[255]; - snprintf(buf, sizeof(buf), "out_%i.ppm", i - optind + 1); + snprintf(buf, sizeof(buf), "out_%i.%s", i - optind + 1, out_fmt); fprintf(stderr, "Processing '%s' -> '%s'n", argv[i], buf);

progress_prefix = "Loading image"; @@ -867,12 +917,7 @@ int main(int argc, char *argv[])

apply_filters(&bitmap);

- - if ((ret = GP_SavePPM(buf, bitmap, "b"))) { - fprintf(stderr, "Failed to load bitmap: %sn", GP_RetCodeName(ret)); - return 1; - } - + save_by_fmt(bitmap, buf, out_fmt); } return 0;

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Summary of changes: demos/grinder/grinder.c | 63 ++++++++++++++++++++++++++++++++++++++++------ 1 files changed, 54 insertions(+), 9 deletions(-)

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