149 lines
3.1 KiB
C
149 lines
3.1 KiB
C
/*
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* another ugly experiment
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "../floatimg.h"
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#include "incrustator.h"
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int verbosity;
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/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
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typedef struct {
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int w, h;
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int x, y;
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int flags;
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} Rectangle;
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/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
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int print_rectangle(Rectangle *rect)
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{
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printf("rect @ %p : %dx%d at %d,%d\n", rect, rect->w, rect->h,
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rect->x, rect->y);
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return 0;
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}
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/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
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int parse_rectangle(char *str, Rectangle *r, int notused)
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{
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int x, y, w, h, foo;
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if (verbosity)
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fprintf(stderr, "parsing %s\n", str);
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foo = sscanf(str, "%d,%d,%d,%d", &w, &h, &x, &y);
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if (4 == foo) {
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r->x = x, r->y = y, r->w = w, r->h = h;
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return 4;
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}
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return -1;
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}
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/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
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int essai_extraction(FloatImg *in, FloatImg *out, Rectangle *rect)
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{
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int foo;
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int xs, ys, xd, yd;
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int count;
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float rgb[3];
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if (verbosity) {
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fimg_describe(in, "source");
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fimg_describe(out, "destination");
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print_rectangle(rect);
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}
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count = 0;
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for (yd=0; yd<rect->h; yd++) {
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ys = yd + rect->y;
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if ((ys<0) || (ys>=in->height)) continue;
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for (xd=0; xd<rect->w; xd++) {
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xs = xd + rect->x;
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if ((xs<0) || (xs>=in->width)) continue;
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fimg_get_rgb(in, xs, ys, rgb);
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fimg_put_rgb(out, xd, yd, rgb);
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count++;
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}
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}
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// fprintf(stderr, "%s: %d pix moved\n", __func__, count);
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return 0;
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}
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/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
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void help(int k)
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{
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puts("Usage:\n\textracteur in.fimg w,h,x,y out.???");
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exit(0);
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}
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/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
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int main(int argc, char *argv[])
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{
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int foo, opt;
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FloatImg src, dst;
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Rectangle zone;
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char *infile = "foo.fimg";
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char *outfile = "out.fimg";
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verbosity = 0;
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while ((opt = getopt(argc, argv, "hv")) != -1) {
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switch(opt) {
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case 'h': help(0); break;
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case 'v': verbosity++; break;
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default: break;
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}
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}
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if (3 != argc-optind) {
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fprintf(stderr, "---- %s errcli %d ----\n", argv[0], argc-optind);
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help(1);
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exit(1);
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}
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fprintf(stderr, "***%s %s %s\n", argv[0], __DATE__, __TIME__);
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fimg_print_version(1);
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infile = argv[optind]; outfile = argv[optind+2];
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fprintf(stderr, " %s -> %s\n", infile, outfile);
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foo = fimg_create_from_dump(infile, &src);
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if (foo) {
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fprintf(stderr, "%s: err %d loading image '%s'\n", __func__,
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foo, infile);
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exit(1);
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}
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if (4 != parse_rectangle( argv[optind+1], &zone, 0) ) {
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fprintf(stderr, "%s: error in parsing of '%s'\n",
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argv[0], argv[optind+1]);
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exit(1);
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}
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// zone.w = src.width / 2; zone.h = src.height / 2;
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// zone.x = src.width / 4 ; zone.y = src.height / 4;
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print_rectangle(&zone);
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foo = fimg_create(&dst, zone.w, zone.h, FIMG_TYPE_RGB);
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foo = essai_extraction(&src, &dst, &zone);
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if (foo) {
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fprintf(stderr, "EXTRACTOR EPIC FAIL %d\n", foo);
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exit(1);
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}
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foo = fimg_export_picture(&dst, outfile, 0);
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if (foo) {
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fprintf(stderr, "export '%s' -> err %d\n", outfile, foo);
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exit(1);
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}
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return 0;
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}
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/* ---------------------------------------------- ~~~~~~~~~~~~~~~~ */
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