From 9cf60526d709b26445d91007c644843185060b92 Mon Sep 17 00:00:00 2001 From: tth Date: Sat, 10 Apr 2021 23:04:18 +0200 Subject: [PATCH] is extracteur ready for the prime time ? --- experiment/essai.sh | 18 +++++++++--- experiment/extracteur.c | 62 ++++++++++++++++++++++++++++++++++------- 2 files changed, 66 insertions(+), 14 deletions(-) diff --git a/experiment/essai.sh b/experiment/essai.sh index 6e497114..9a12fcc0 100755 --- a/experiment/essai.sh +++ b/experiment/essai.sh @@ -1,9 +1,19 @@ #!/bin/bash -make assemblage +make extracteur -grabvidseq -vv -n 4 -p 3.3333 -o foo.fimg +IMGS="foo.fimg" -./assemblage -v +for idx in $(seq 0 69) +do + outf=$(printf "%s/X%04d.png" "/tmp" $idx) + echo $outf + + x=$(( idx * 4 )) + y=$(( idx + 80 )) + + ./extracteur $IMGS 320,200,${x},${y} $outf +done + +convert -delay 10 /tmp/X????.png foo.gif -display out.pnm diff --git a/experiment/extracteur.c b/experiment/extracteur.c index 4dff8854..d136f759 100644 --- a/experiment/extracteur.c +++ b/experiment/extracteur.c @@ -3,6 +3,7 @@ */ #include #include +#include #include "../floatimg.h" @@ -27,6 +28,21 @@ printf("rect @ %p : %dx%d at %d,%d\n", rect, rect->w, rect->h, return 0; } /* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */ +int parse_rectangle(char *str, Rectangle *r, int notused) +{ +int x, y, w, h, foo; + +if (verbosity) + fprintf(stderr, "parsing %s\n", str); + +foo = sscanf(str, "%d,%d,%d,%d", &w, &h, &x, &y); +if (4 == foo) { + r->x = x, r->y = y, r->w = w, r->h = h; + return 4; + } +return -1; +} +/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */ int essai_extraction(FloatImg *in, FloatImg *out, Rectangle *rect) { int foo; @@ -45,14 +61,12 @@ for (yd=0; ydh; yd++) { ys = yd + rect->y; if ((ys<0) || (ys>=in->height)) continue; for (xd=0; xdw; xd++) { - xs = xd + rect->x; + if ((xs<0) || (xs>=in->width)) continue; fimg_get_rgb(in, xs, ys, rgb); fimg_put_rgb(out, xd, yd, rgb); count++; - } - } // fprintf(stderr, "%s: %d pix moved\n", __func__, count); @@ -60,10 +74,16 @@ for (yd=0; ydh; yd++) { return 0; } /* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */ +void help(int k) +{ +puts("Usage:\n\textracteur in.fimg w,h,x,y out.???"); +exit(0); +} +/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */ int main(int argc, char *argv[]) { -int foo; +int foo, opt; FloatImg src, dst; Rectangle zone; char *infile = "foo.fimg"; @@ -71,15 +91,25 @@ char *outfile = "out.fimg"; verbosity = 0; -if (3 != argc) { - fprintf(stderr, "usage\n\t %s infile.fimg outfile.???\n", - argv[0]); +while ((opt = getopt(argc, argv, "hv")) != -1) { + switch(opt) { + case 'h': help(0); break; + case 'v': verbosity++; break; + default: break; + } + } + +if (3 != argc-optind) { + fprintf(stderr, "---- %s errcli %d ----\n", argv[0], argc-optind); + help(1); exit(1); } +fprintf(stderr, "***%s %s %s\n", argv[0], __DATE__, __TIME__); fimg_print_version(1); -infile = argv[1]; outfile = argv[2]; +infile = argv[optind]; outfile = argv[optind+2]; +fprintf(stderr, " %s -> %s\n", infile, outfile); foo = fimg_create_from_dump(infile, &src); if (foo) { @@ -88,8 +118,16 @@ if (foo) { exit(1); } -zone.w = src.width / 2; zone.h = src.height / 2; -zone.x = src.width / 4 ; zone.y = src.height / 4; +if (4 != parse_rectangle( argv[optind+1], &zone, 0) ) { + fprintf(stderr, "%s: error in parsing of '%s'\n", + argv[0], argv[optind+1]); + exit(1); + } + +// zone.w = src.width / 2; zone.h = src.height / 2; +// zone.x = src.width / 4 ; zone.y = src.height / 4; + +print_rectangle(&zone); foo = fimg_create(&dst, zone.w, zone.h, FIMG_TYPE_RGB); @@ -100,6 +138,10 @@ if (foo) { } foo = fimg_export_picture(&dst, outfile, 0); +if (foo) { + fprintf(stderr, "export '%s' -> err %d\n", outfile, foo); + exit(1); + } return 0; }