Bibliothèque de traitements d'images en virgule flottante.
http://la.buvette.org/photos/cumul/
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522 lines
11 KiB
522 lines
11 KiB
/*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <pam.h>
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#include "../floatimg.h"
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int verbosity;
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float global_fvalue;
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/* --------------------------------------------------------------------- */
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/* nouveau 19 aout 2020, le matin avant la canicule */
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int essai_ecriture_tiff(char *outname)
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{
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int foo;
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FloatImg picz;
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fimg_create(&picz, 800, 600, FIMG_TYPE_RGB);
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fimg_test_pattern(&picz, 0, 22222);
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foo = fimg_write_as_tiff(&picz, outname, 0);
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if (foo) {
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fprintf(stderr, "%s got a %d\n", __func__, foo);
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return foo;
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}
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return -7;
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}
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/* --------------------------------------------------------------------- */
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/* essai de fichiers FITS (astronomie) */
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int essai_ecriture_fits(char *outname)
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{
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FloatImg src;
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int foo;
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fprintf(stderr, "%s is creating the picz\n", __func__);
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fimg_create(&src, 512, 512, FIMG_TYPE_RGB);
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fimg_test_pattern(&src, 0, 255.0);
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foo = fimg_save_R_as_fits(&src, outname, 0);
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fprintf(stderr, "saving '%s' to fits --> %d\n", outname, foo);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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/*
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* egalisation dynamique approximative
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* #coronamaison Thu 09 Apr 2020 03:37:10 PM CEST
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*/
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int essai_equalize(char *infile)
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{
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FloatImg src;
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int foo;
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if (NULL != infile) {
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fprintf(stderr, "%s: loading %s\n", __func__, infile);
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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 load '%s'\n", __func__, infile);
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return foo;
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}
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}
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else {
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fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
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abort();
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}
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foo = fimg_equalize_compute(&src, NULL, 666.666);
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fprintf(stderr, "equalize compute --> %d\n", foo);
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fimg_destroy(&src);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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int essai_rotate(char *infile)
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{
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FloatImg src, dst;
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int foo;
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if (NULL != infile) {
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fprintf(stderr, "%s: loading %s\n", __func__, infile);
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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 load '%s'\n", __func__, infile);
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return foo;
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}
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}
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else {
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fprintf(stderr, "%s : NOT INPUT FILE, FUBAR\n", __func__);
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abort();
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}
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fimg_save_as_png(&src, "test.png", 0);
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foo = fimg_rotate_90(&src, &dst, 0);
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fprintf(stderr, "rotate 90 -> %d\n", foo);
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foo = fimg_save_as_png(&dst, "rotated90.png", 0);
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foo = fimg_save_as_pnm(&dst, "rotated90.pnm", 0);
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fimg_destroy(&src);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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int essai_filtrage_3x3(char *infile)
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{
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FloatImg src, dst;
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int foo; /// , idx;
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// char buffer[100];
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FimgFilter3x3 filter_a = {
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{ 1.0, 1.0, 1.0,
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1.0, -3.0, 1.0,
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1.0, 1.0, 1.0 },
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8.0, 0.0
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};
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FimgFilter3x3 filter_b = {
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{ -2.0, -1.0, 0.0,
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-1.0, 3.0, 1.0,
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0.0, 1.0, 2.0 },
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8.0, 0.0
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};
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if (NULL != infile) {
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fprintf(stderr, "%s: loading %s\n", __func__, infile);
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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 load '%s'\n", __func__, infile);
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return foo;
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}
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}
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else {
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fprintf(stderr, "%s is creating the picz\n", __func__);
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fimg_create(&src, 640, 480, FIMG_TYPE_RGB);
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fimg_test_pattern(&src, 0, 255.0);
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}
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// fimg_save_as_png(&src, "test.png", 0);
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foo = fimg_clone(&src, &dst, 0);
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if (foo) {
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fprintf(stderr, "%s: err clone %p\n", __func__, &src);
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return -44;
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}
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fimg_filter_3x3(&src, &dst, &filter_a);
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foo = fimg_clamp_negativ(&dst);
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if (foo) {
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fprintf(stderr, "clamped %d negative pixels\n", foo);
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}
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// foo = fimg_save_as_png(&dst, "f3x3a.png", 0);
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// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);
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fimg_filter_3x3(&src, &dst, &filter_b);
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foo = fimg_clamp_negativ(&dst);
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if (foo) {
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fprintf(stderr, "clamped %d negative pixels\n", foo);
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}
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// foo = fimg_save_as_png(&dst, "f3x3b.png", 0);
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// foo = fimg_save_as_pnm(&dst, "f3x3a.pnm", 0);
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fimg_destroy(&src); fimg_destroy(&dst);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_filtrage_2x2(char *infile)
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{
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FloatImg fimg;
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int foo, idx;
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char buffer[100];
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if (NULL != infile) {
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fprintf(stderr, "%s: loading %s\n", __func__, infile);
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foo = fimg_create_from_dump(infile, &fimg);
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if (foo) {
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fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
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return foo;
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}
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}
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else {
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fprintf(stderr, "%s is creating the picz\n", __func__);
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fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
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fimg_draw_something(&fimg);
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}
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foo = fimg_save_as_pnm(&fimg, "source.pnm", 0);
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/*
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* running multiple filters so you can
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* watch the up-left shift :)
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*/
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for (idx=0; idx<5; idx++) {
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foo = fimg_lissage_2x2(&fimg);
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sprintf(buffer, "filter%03d.png", idx);
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foo = fimg_save_as_png(&fimg, buffer, 0);
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if (verbosity) {
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fprintf(stderr, "%s %d\n", buffer, foo);
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}
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}
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fimg_destroy(&fimg);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_geometrie(char *infile)
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{
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FloatImg fimg, result;
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int foo;
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if (NULL != infile) {
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fprintf(stderr, "loading %s\n", infile);
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foo = fimg_create_from_dump(infile, &fimg);
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if (foo) {
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fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
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return foo;
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}
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}
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else {
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fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
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fimg_draw_something(&fimg);
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}
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foo = fimg_save_as_pnm(&fimg, "source.pnm", 0);
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memset(&result, 0, sizeof(FloatImg));
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foo = fimg_halfsize_0(&fimg, &result, 0);
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fprintf(stderr, "retour halfsize -> %d\n", foo);
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if (foo) {
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return -2;
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}
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if (verbosity) fimg_describe(&result, "result after halfsize");
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foo = fimg_save_as_pnm(&result, "something.pnm", 0);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_sfx0(char *infile)
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{
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FloatImg fimg;
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int foo;
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if (NULL != infile) {
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fprintf(stderr, "loading %s\n", infile);
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foo = fimg_create_from_dump(infile, &fimg);
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if (foo) {
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fprintf(stderr, "%s: err load '%s'\n", __func__, infile);
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return foo;
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}
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}
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else {
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fimg_create(&fimg, 512, 512, FIMG_TYPE_RGB);
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fimg_draw_something(&fimg);
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}
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foo = fimg_save_as_pnm(&fimg, "something.pnm", 0);
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if (foo) {
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fprintf(stderr, "%s: err save %d\n", __func__, foo);
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return -6;
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}
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foo = fimg_killcolors_a(&fimg, 0.0);
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foo = fimg_save_as_pnm(&fimg, "colorskilled-a.pnm", 0);
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if (foo) {
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fprintf(stderr, "%s: err save %d\n", __func__, foo);
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return -6;
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}
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foo = fimg_killcolors_b(&fimg, 0.0);
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foo = fimg_save_as_pnm(&fimg, "colorskilled-b.pnm", 0);
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if (foo) {
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fprintf(stderr, "%s: err save %d\n", __func__, foo);
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return -6;
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}
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_parse_double(void)
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{
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int foo;
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double dval;
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char *str;
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str = "12.34"; dval = 0.0;
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foo = parse_double(str, &dval);
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printf("%-10s -> %3d %g\n", str, foo, dval);
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str = "12e4"; dval = 0.0;
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foo = parse_double(str, &dval);
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printf("%-10s -> %3d %g\n", str, foo, dval);
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str = "5s"; dval = 0.0;
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foo = parse_double(str, &dval);
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printf("%-10s -> %3d %g\n", str, foo, dval);
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str = "PORN"; dval = 0.0;
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foo = parse_double(str, &dval);
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printf("%-10s -> %3d %g\n", str, foo, dval);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_detect_type(void)
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{
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int foo;
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char *fname;
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foo = format_from_extension(fname="foo.fimg");
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printf("%-10s %d\n\n", fname, foo);
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foo = format_from_extension(fname="foo.pnm");
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printf("%-10s %d\n\n", fname, foo);
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foo = format_from_extension(fname="foo.png");
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printf("%-10s %d\n\n", fname, foo);
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foo = format_from_extension(fname="foo.xyzzy");
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printf("%-10s %d\n\n", fname, foo);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_mire(char *outname, int notused)
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{
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FloatImg fimg;
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int re;
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fimg_create(&fimg, 1280, 960, FIMG_TYPE_RGB);
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re = fimg_test_pattern(&fimg, 9, 1.0);
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if (re) {
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fprintf(stderr, "fimg_test_pattern -> %d\n", re);
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}
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fimg_save_as_pnm(&fimg, "mire.pnm", 0);
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return -1;
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}
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/* --------------------------------------------------------------------- */
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int essai_rampes(void)
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{
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FloatImg fimg;
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int foo;
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fimg_create(&fimg, 640, 480, FIMG_TYPE_RGB);
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foo = fimg_hdeg_a(&fimg, (double)3.141592654);
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fprintf(stderr, "make h deg -> %d\n", foo);
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foo = fimg_save_as_pnm(&fimg, "hdeg.pnm", 0);
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fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
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foo = fimg_vdeg_a(&fimg, (double)3.141592654);
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fprintf(stderr, "make h deg -> %d\n", foo);
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foo = fimg_save_as_pnm(&fimg, "vdeg.pnm", 0);
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fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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int essai_ecriture_png(char *fname)
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{
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FloatImg fimg;
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int foo;
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fimg_create(&fimg, 800, 600, FIMG_TYPE_RGB);
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fimg_draw_something(&fimg);
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if (verbosity) {
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foo = fimg_save_as_pnm(&fimg, "quux.pnm", 0);
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fprintf(stderr, "%s: save as pnm -> %d\n", __func__, foo);
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}
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foo = fimg_save_as_png(&fimg, fname, 0);
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fprintf(stderr, "save as png -> %d\n", foo);
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return 0;
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}
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/* --------------------------------------------------------------------- */
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enum nCmd { Equalize=1, Rotate, Sfx0, F3x3, MIRE, Wfits, Wpng, Wtiff };
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typedef struct {
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char *name;
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int Cmd;
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} Command;
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Command commands[] = {
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{ "equalize", Equalize },
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{ "rotate", Rotate },
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{ "sfx0", Sfx0 },
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{ "f3x3", F3x3 },
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{ "mire", MIRE },
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{ "wfits", Wfits },
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{ "wpng", Wpng },
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{ "wtiff", Wtiff },
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{ NULL, 0 }
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} ;
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/* --------------------------------------------------------------------- */
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int lookup_cmd(char *cmdtxt)
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{
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Command *pcmd;
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pcmd = commands;
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while (pcmd->name) {
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if (!strcmp(pcmd->name, cmdtxt)) return pcmd->Cmd;
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pcmd++;
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}
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return -1;
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}
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/* --------------------------------------------------------------------- */
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void help(int k)
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{
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Command *pcmd;
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fprintf(stderr, "usage:\n\t./t command filename\n");
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fprintf(stderr, "commands:\n");
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pcmd = commands;
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while (pcmd->name) {
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fprintf(stderr, "\t%-15s %d\n", pcmd->name, pcmd->Cmd);
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pcmd++;
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}
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fprintf(stderr, "\ncompiled on "__DATE__" at "__TIME__"\n");
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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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char *filename, *command;
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puts("++++++++ test des fonctions +++++++");
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global_fvalue = 1.0;
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while ((opt = getopt(argc, argv, "hk:v")) != -1) {
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switch(opt) {
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case 'h': help(0); break;
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case 'k': global_fvalue = atof(optarg); break;
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case 'v': verbosity++; break;
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}
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}
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// fprintf(stderr, "argc %d optind %d\n", argc, optind);
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filename = NULL;
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if (2 != argc-optind) {
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fprintf(stderr, "%s: bad command line\n", argv[0]);
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help(1);
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}
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command = argv[optind];
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filename = argv[optind+1];
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if (verbosity) {
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fprintf(stderr, "running command '%s' on '%s'\n", command, filename);
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}
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opt = lookup_cmd(command);
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// fprintf(stderr, "lookup '%s' --> %d\n", command, opt);
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switch(opt) {
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case Equalize:
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foo = essai_equalize(filename); break;
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case Sfx0:
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foo = essai_sfx0(filename); break;
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case F3x3:
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foo = essai_filtrage_3x3(filename); break;
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case MIRE:
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foo = essai_mire(filename, 0);
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break;
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case Wfits:
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foo = essai_ecriture_fits(filename);
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break;
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case Wpng:
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foo = essai_ecriture_png(filename);
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break;
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case Wtiff:
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foo = essai_ecriture_tiff(filename);
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break;
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default:
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fprintf(stderr, "%s : bad command\n", command);
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exit(1);
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}
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if (foo) {
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fprintf(stderr, "Essai ====> %d\n", foo);
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}
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fprintf(stderr, "++++++++++++++ end of pid %d\n", getpid());
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return 0;
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}
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/* --------------------------------------------------------------------- */
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