forked from tTh/FloatImg
124 lines
3.3 KiB
C
124 lines
3.3 KiB
C
/*
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* floatimg.h
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*/
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#define FIMG_VERSION 84
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/*
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* in memory descriptor
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*/
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typedef struct {
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int width;
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int height;
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int type;
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float fval;
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int count;
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float *R, *G, *B, *A;
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int reserved;
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} FloatImg;
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/*
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* fimg file header
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*/
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typedef struct {
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char magic[8];
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int w, h, t;
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} FimgFileHead;
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#define FIMG_TYPE_GRAY 1
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#define FIMG_TYPE_RGB 3
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#define FIMG_TYPE_RGBA 4
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#define FILE_TYPE_FIMG 1
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#define FILE_TYPE_PNM 2
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#define FILE_TYPE_PNG 3
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#define FILE_TYPE_TGA 4
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#define FILE_TYPE_TIFF 5
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/* lib/contrast.c */
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#define CONTRAST_NONE 0
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#define CONTRAST_SQRT 1
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#define CONTRAST_POW2 2
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#define CONTRAST_COS01 3
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#define CONTRAST_COS010 4
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/*
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* core module
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*/
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int fimg_create(FloatImg *fimg, int w, int h, int t);
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int fimg_destroy(FloatImg *fimg);
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int fimg_clone(FloatImg *fimg, FloatImg *newpic, int flags);
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int fimg_copy_data(FloatImg *from, FloatImg *to);
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int fimg_print_version(int k);
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void fimg_printhead(FloatImg *h);
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int fimg_describe(FloatImg *head, char *txt);
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char *fimg_str_type(int type);
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int fimg_fileinfo(char *fname, int *datas);
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int fimg_plot_rgb (FloatImg *head, int x, int y, float r, float g, float b);
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int fimg_clear(FloatImg *fimg);
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int fimg_add_rgb(FloatImg *head, int x, int y, float r, float g, float b);
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int fimg_rgb_constant(FloatImg *head, float r, float g, float b);
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/* --> lib/fimg-compare.c */
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int fimg_images_compatible(FloatImg *a, FloatImg *b);
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int fimg_interpolate(FloatImg *s1, FloatImg *s2, FloatImg *d, float coef);
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/* 'operats' module */
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int fimg_add(FloatImg *a, FloatImg *b, FloatImg *d);
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int fimg_sub(FloatImg *a, FloatImg *b, FloatImg *d);
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int fimg_mul(FloatImg *a, FloatImg *b, FloatImg *d);
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int fimg_minimum(FloatImg *a, FloatImg *b, FloatImg *d);
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int fimg_maximum(FloatImg *a, FloatImg *b, FloatImg *d);
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/* PNM files module */
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int fimg_save_as_pnm(FloatImg *head, char *fname, int flags);
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int fimg_load_from_pnm(char *fname, FloatImg *head, int notused);
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double fimg_timer_set(int whot);
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double fimg_timer_get(int whot);
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/* --> lib/contrast.c */
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int fimg_id_contraste(char *name);
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int fimg_square_root(FloatImg *s, FloatImg *d, double maxval);
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int fimg_power_2(FloatImg *s, FloatImg *d, double maxval);
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int fimg_cos_01(FloatImg *s, FloatImg *d, double maxval);
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int fimg_cos_010(FloatImg *s, FloatImg *d, double maxval);
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int fimg_mk_gray_from(FloatImg *src, FloatImg*dst, int k);
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/* FIMG files module */
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int fimg_fileinfos(char *fname, int *datas);
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int fimg_dump_to_file(FloatImg *head, char *fname, int notused);
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int fimg_load_from_dump(char *fname, FloatImg *where);
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int fimg_create_from_dump(char *fname, FloatImg *head);
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/* mathematics operations */
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float fimg_get_maxvalue(FloatImg *head);
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int fimg_meanvalues(FloatImg *head, float means[4]);
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int fimg_to_gray(FloatImg *head);
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void fimg_add_cste(FloatImg *fi, float value);
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void fimg_mul_cste(FloatImg *fi, float value);
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void fimg_drand48(FloatImg *fi, float kmul);
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int fimg_count_negativ(FloatImg *fi);
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/* various funcs modules */
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int fimg_load_from_png(char *filename, FloatImg *fimg);
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int fimg_create_from_png(char *filename, FloatImg *fimg);
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int fimg_save_as_png(FloatImg *src, char *outname, int flags);
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int fimg_draw_something(FloatImg *fimg);
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int parse_WxH(char *str, int *pw, int *ph);
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int parse_double(char *str, double *dptr);
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int format_from_extension(char *fname);
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