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authormrwastl <mrwastl@users.sourceforge.net>2013-03-23 14:19:55 +0100
committermrwastl <mrwastl@users.sourceforge.net>2013-03-23 14:19:55 +0100
commitc1c3b3e33337de8b3b9c786c6848bd35699d54ad (patch)
tree6d645b0576877e21b0d83d28bbe2d249deb33cc1 /tools
parent60bdec72ecd6bb236f2f1153398c9996fb95730f (diff)
downloadgraphlcd-base-c1c3b3e33337de8b3b9c786c6848bd35699d54ad.tar.gz
graphlcd-base-c1c3b3e33337de8b3b9c786c6848bd35699d54ad.tar.bz2
convpic: improvement of help ouput
Diffstat (limited to 'tools')
-rw-r--r--tools/convpic/convpic.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/tools/convpic/convpic.c b/tools/convpic/convpic.c
index 252b6c8..0adba60 100644
--- a/tools/convpic/convpic.c
+++ b/tools/convpic/convpic.c
@@ -50,15 +50,20 @@ unsigned int delay = 250;
void usage(void) {
fprintf(stdout, "\n");
fprintf(stdout, "%s v%s\n", prgname, VERSION);
- fprintf(stdout, "%s is a tool to convert images to a simple format (*.glcd)\n", prgname);
- fprintf(stdout, " that is used by the graphlcd plugin for VDR.\n\n");
+ fprintf(stdout, "%s is a tool to convert images to or from a GLCD file.\n\n", prgname);
fprintf(stdout, " Usage: %s [-n] -i file[s...] -o outfile \n\n", prgname);
- fprintf(stdout, " -n --invert inverts the output (default: none)\n");
- fprintf(stdout, " -i --infile specifies the name of the input file[s]\n");
+ fprintf(stdout, " -n --invert inverts the output (default: no)\n");
+ fprintf(stdout, " -i --infile specifies the name of the input file(s)\n");
fprintf(stdout, " -o --outfile specifies the name of the output file\n");
- fprintf(stdout, " -d --delay specifies the delay between multiple images [Default: %d ms] \n",delay);
+ fprintf(stdout, " -d --delay specifies the delay (in ms) between multiple images (default: %d)\n",delay);
fprintf(stdout, "\n" );
- fprintf(stdout, " example: %s -i vdr-logo.bmp -o vdr-logo.glcd \n", prgname );
+ fprintf(stdout, " examples:\n");
+ fprintf(stdout, " # convert an input image to a single frame GLCD\n");
+ fprintf(stdout, " %s -i vdr-logo.bmp -o vdr-logo.glcd\n", prgname );
+ fprintf(stdout, " # convert multiple input images to an animated GLCD (delay: 500 ms between two frames)\n");
+ fprintf(stdout, " %s -d 500 -i vdr-logo-??.bmp -o vdr-logo.glcd\n", prgname );
+ fprintf(stdout, " # convert a GLCD file to PBM file(s)\n");
+ fprintf(stdout, " %s -i vdr-logo.glcd -o vdr-logo.pbm\n", prgname );
}