tTh/FloatImg
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FloatImg/floatimg.h

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/*
* floatimg.h
* ugly code from tTh
* http://la.buvette.org/photos/cumul
* https://git.tetalab.org/tTh/FloatImg
*/
#define FIMG_VERSION (182)
#define RELEASE_NAME ("noname")
/*
* in memory descriptor
*/
#define MAGIC_FIMG 0x00F11F00
typedef struct {
uint32_t magic;
int width;
int height;
int type;
float fval;
int count;
float *R, *G, *B, *A;
int reserved;
} FloatImg;
/*
* fimg file header (short version)
*/
typedef struct {
char magic[8]; // this is not an asciiz !
int32_t w, h, t;
} FimgFileHead;
/*
* new 11 mars 2022, and a lot of iterations
* around the concept of metadata for my work.
*/
typedef struct {
char magic[8]; // this is not an asciiz !
struct timeval timestamp;
uint64_t cpid; // process id of the creator
int32_t count;
float fval;
char idcam[32];
int32_t origin; // enum ?
uint32_t reserved[8];
} FimgMetaData;
/*
* we MUST look at packing and endianess problems NOW */
#define MAGIC_AREA51 0xA5EA0051
typedef struct {
uint32_t magic;
int w, h;
int x, y;
int flags;
} FimgArea51;
#define FIMG_TYPE_GRAY 1
#define FIMG_TYPE_RGB 3
#define FIMG_TYPE_RGBA 4
#define FIMG_TYPE_RGBZ 99
#define FILE_TYPE_FIMG 1
#define FILE_TYPE_PNM 2
#define FILE_TYPE_PNG 3
#define FILE_TYPE_TGA 4
#define FILE_TYPE_TIFF 5
#define FILE_TYPE_FITS 6
#define FILE_TYPE_BMP 7
#define FILE_TYPE_EXR 8
#define FILE_TYPE_DICOM 9
#define FILE_TYPE_PGM 10
/* lib/contrast.c */
#define CONTRAST_NONE 0
#define CONTRAST_SQRT 1
#define CONTRAST_POW2 2
#define CONTRAST_COS01 3
#define CONTRAST_COS010 4
#define CONTRAST_XPER 5 /* use with caution */
/*
* core module
*/
int fimg_create(FloatImg *fimg, int w, int h, int t);
int fimg_destroy(FloatImg *fimg);
int fimg_clone(FloatImg *fimg, FloatImg *newpic, int flags);
int fimg_copy_data(FloatImg *from, FloatImg *to);
int fimg_type_is_valid(int type);
int fimg_print_version(int k);
void fimg_print_sizeof(void);
void fimg_printhead(FloatImg *h);
void fimg_printdims(char *txt, FloatImg *pi);
int fimg_describe(FloatImg *head, char *txt);
char *fimg_str_type(int type);
int fimg_plot_rgb (FloatImg *head, int x, int y,
float r, float g, float b);
int fimg_get_rgb(FloatImg *head, int x, int y, float *rgb);
int fimg_put_rgb(FloatImg *head, int x, int y, float *rgb);
int fimg_clear(FloatImg *fimg);
int fimg_add_rgb(FloatImg *head, int x, int y, float r, float g, float b);
int fimg_rgb_constant(FloatImg *head, float r, float g, float b);
/* --> lib/fimg-compare.c */
int fimg_images_not_compatible(FloatImg *a, FloatImg *b);
int fimg_interpolate(FloatImg *s1, FloatImg *s2, FloatImg *d, float coef);
/* 'operats' module */
int fimg_add_3(FloatImg *a, FloatImg *b, FloatImg *d);
int fimg_add_2(FloatImg *a, FloatImg *b); /* B+=A */
int fimg_sub_3(FloatImg *a, FloatImg *b, FloatImg *d);
int fimg_mul_3(FloatImg *a, FloatImg *b, FloatImg *d);
int fimg_minimum(FloatImg *a, FloatImg *b, FloatImg *d);
int fimg_maximum(FloatImg *a, FloatImg *b, FloatImg *d);
/* funcs/filtrage.c */
typedef struct {
float matrix[9];
float mult;
float offset;
} FimgFilter3x3;
int fimg_killborders(FloatImg *img);
int fimg_lissage_2x2(FloatImg *img);
int fimg_show_filter(char *title, FimgFilter3x3 *filtr);
int fimg_filter_3x3(FloatImg *s, FloatImg *d, FimgFilter3x3 *filtr);
int fimg_contour_2x2(FloatImg *psrc, FloatImg *pdst, int reverse);
/* module sfx0.c */
int fimg_killcolors_a(FloatImg *fimg, float fval);
int fimg_killcolors_b(FloatImg *fimg, float fval);
int fimg_colors_mixer_a(FloatImg *fimg, float fval);
/* module sfx1.c */
int fimg_highlight_color(FloatImg *src, FloatImg *dst,
char color, float fval);
/* module sfx2.c */
int fimg_binarize(FloatImg *pimg, int notused);
int fimg_trinarize(FloatImg *pimg, int notused);
/* module sfx3.c */
int fimg_crump_hard(FloatImg *src, FloatImg *dst, float kval, int notused);
/* module sfx4.c */
int fimg_sfx_triplemul(FloatImg *s, FloatImg *d, int notused);
int fimg_split_level(FloatImg *src, FloatImg *dst, int notused);
/* funcs/rotate.c module */
/* #coronamaison */
int fimg_rotate_90(FloatImg *src, FloatImg *dst, int notused);
int fimg_killrgb_v(FloatImg *src, FloatImg *dst, int k);
int fimg_decomp_rgbz_color(FloatImg *psrc, FloatImg *pdst, int k);
int fimg_decomp_rgbz_gray(FloatImg *psrc, FloatImg *pdst, int k);
int fimg_save_plane_as_dicom(FloatImg *src, char *outname,
char plane, int flags);
/* universal exporter XXX */
int fimg_export_picture(FloatImg *pic, char *fname, int flags);
/* PNM files module */
int fimg_save_as_pnm(FloatImg *head, char *fname, int flags);
int fimg_save_as_pgm(FloatImg *head, char *fname, int flags);
int fimg_load_from_pnm(char *fname, FloatImg *head, int notused);
int fimg_save_plane_as_pgm(FloatImg *psrc, char *fname, char plane);
double fimg_timer_set(int whot);
double fimg_timer_get(int whot);
/* --> lib/contrast.c */
int fimg_id_contraste(char *name);
int fimg_square_root(FloatImg *s, FloatImg *d, double maxval);
int fimg_power_2(FloatImg *s, FloatImg *d, double maxval);
int fimg_cos_01(FloatImg *s, FloatImg *d, double maxval);
int fimg_cos_010(FloatImg *s, FloatImg *d, double maxval);
int fimg_mix_rgb_gray(FloatImg *img, float mix);
/* funcs/saturation.c */
int fimg_shift_to_zero(FloatImg *s, FloatImg *d, float coefs[6]);
int fimg_auto_shift_to_zero(FloatImg *s, FloatImg *d);
/* --> funcs/plasmas.c */
int fimg_prototype_plasma(FloatImg *img, double time, int type);
/* --> funcs/pixelize.c
voir fimg_pixelize_h_rnd() */
int fimg_pixelize_h_0(FloatImg *psrc, FloatImg *pdst, int k);
int fimg_pixelize_h_rnd(FloatImg *psrc, FloatImg *pdst, int largeur);
/* * * * experimental ! */
int fimg_classif_trial(FloatImg *src, FloatImg*dst, float fval, int notused);
int fimg_qsort_rgb_a(FloatImg *psrc, FloatImg *pdst, int notused);
int fimg_qsort_rgb_b(FloatImg *psrc, FloatImg *pdst, int notused);
/* module funcs/??????.c */
int fimg_equalize_compute(FloatImg *src, void *vptr, float vmax);
int fimg_mk_gray_from(FloatImg *src, FloatImg*dst, int k);
int fimg_desaturate(FloatImg *src, FloatImg *dst, int notused);
/* module funcs/geometry.c */
/* warning, this module is a mess */
int fimg_halfsize_0(FloatImg *src, FloatImg *dst, int notused);
int fimg_halfsize_1(FloatImg *src, FloatImg *dst, int notused);
int fimg_extractor(FloatImg *in, FloatImg *out, FimgArea51 *rect);
int fimg_mirror(FloatImg *src, FloatImg *dst, int notused);
int fimg_incrustator_0(FloatImg *psrc, FloatImg *pdst,
int xpos, int ypos, int flags);
int fimg_displacement_0(FloatImg *psrc, FloatImg *pdst, int flags);
/* module funcs/rampes.c */
int fimg_hdeg_a(FloatImg *img, double dcoef);
int fimg_vdeg_a(FloatImg *img, double dcoef);
/* FIMG native file module */
int fimg_fileinfos(char *fname, int *datas);
int fimg_dump_to_file(FloatImg *head, char *fname, int notused);
int fimg_dumpmd_to_file(FloatImg *fi, char *nm, FimgMetaData *pmd, int nu);
int fimg_load_from_dump(char *fname, FloatImg *where);
int fimg_create_from_dump(char *fname, FloatImg *head);
/* FIMG metadata module */
int fimg_show_metadata(FimgMetaData *pmd, char *title, int notused);
int fimg_default_metadata(FimgMetaData *pmd);
int fimg_get_metadata_from_file(char *fname, FimgMetaData *pmd);
int fimg_save_R_as_fits(FloatImg *src, char *outname, int flags);
int fimg_save_G_as_fits(FloatImg *src, char *outname, int flags);
int fimg_save_B_as_fits(FloatImg *src, char *outname, int flags);
int fimg_save_plane_as_fits(FloatImg *src, char *oname, char plane, int flags);
int fimg_write_as_tiff(FloatImg *src, char *fname, int flags);
int fimg_save_as_exr(FloatImg *src, char *outname, int flags);
/* mathematics operations */
float fimg_get_plane_maxvalue(FloatImg *psrc, char plane);
float fimg_get_maxvalue(FloatImg *head);
int fimg_get_minmax_rgb(FloatImg *head, float mmvals[6]);
int fimg_meanvalues(FloatImg *head, float means[4]);
int fimg_to_gray(FloatImg *head);
int fimg_add_cste(FloatImg *fi, float value);
int fimg_mul_cste(FloatImg *fi, float value);
int fimg_ajust_from_grab(FloatImg *fi, double maxima, int notused);
int fimg_absolute(FloatImg *fimg);
void fimg_drand48(FloatImg *fi, float kmul);
long fimg_count_negativ(FloatImg *fi);
long fimg_clamp_negativ(FloatImg *fi);
/* various funcs modules */
int fimg_load_from_png(char *filename, FloatImg *fimg);
int fimg_create_from_png(char *filename, FloatImg *fimg);
int fimg_save_as_png(FloatImg *src, char *outname, int flags);
int fimg_save_as_bmp(FloatImg *src, char *outname, int flags);
int fimg_test_pattern(FloatImg *fimg, int type, double dval);
int fimg_draw_something(FloatImg *fimg);
int fimg_mircol_1(FloatImg *dst, float mval);
int fimg_multirandom(FloatImg *fimg, long nbpass);
/* file is 'funcs/utils.c' */
void fimg_print_minmax(float minmax[6], char *titre);
float *charplane2int(char plane, FloatImg *img);
int parse_WxH(char *str, int *pw, int *ph);
int parse_double(char *str, double *dptr);
int irand2(int offset, int modulo);
int print_rectangle(char *str, FimgArea51 *rect);
int parse_rectangle(char *str, FimgArea51 *r, int notused);
int format_from_extension(char *fname);
char * extension_from_format(int fmt);
int fimg_clear_rectangle(FloatImg *pimg, int rect[4]);
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