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libpnmrw.h File Reference
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Data Structures |
| struct | colorhist_item |
| struct | colorhist_list_item |
| struct | pixel |
Defines |
| #define | ARGS(alist) () |
| #define | const |
| #define | PBM_WHITE 0 |
| #define | PBM_BLACK 1 |
| #define | PBM_FORMAT_TYPE(f) ((f) == PBM_FORMAT || (f) == RPBM_FORMAT ? PBM_TYPE : -1) |
| #define | PGM_MAXMAXVAL 255 |
| #define | PGM_FORMAT_TYPE(f) ((f) == PGM_FORMAT || (f) == RPGM_FORMAT ? PGM_TYPE : PBM_FORMAT_TYPE(f)) |
| #define | PPM_MAXMAXVAL PGM_MAXMAXVAL |
| #define | PPM_GETR(p) ((p).r) |
| #define | PPM_GETG(p) ((p).g) |
| #define | PPM_GETB(p) ((p).b) |
| #define | PPM_ASSIGN(p, red, grn, blu) do { (p).r = (red); (p).g = (grn); (p).b = (blu); } while ( 0 ) |
| #define | PPM_EQUAL(p, q) ( (p).r == (q).r && (p).g == (q).g && (p).b == (q).b ) |
| #define | PPM_FORMAT_TYPE(f) ((f) == PPM_FORMAT || (f) == RPPM_FORMAT ? PPM_TYPE : PGM_FORMAT_TYPE(f)) |
| #define | PNM_MAXMAXVAL PPM_MAXMAXVAL |
| #define | PNM_GET1(x) PPM_GETB(x) |
| #define | PNM_ASSIGN1(x, v) PPM_ASSIGN(x,0,0,v) |
| #define | PNM_EQUAL(x, y) PPM_EQUAL(x,y) |
| #define | PNM_FORMAT_TYPE(f) PPM_FORMAT_TYPE(f) |
| #define | PBM_MAGIC1 'P' |
| #define | PBM_MAGIC2 '1' |
| #define | RPBM_MAGIC2 '4' |
| #define | PBM_FORMAT (PBM_MAGIC1 * 256 + PBM_MAGIC2) |
| #define | RPBM_FORMAT (PBM_MAGIC1 * 256 + RPBM_MAGIC2) |
| #define | PBM_TYPE PBM_FORMAT |
| #define | PGM_MAGIC1 'P' |
| #define | PGM_MAGIC2 '2' |
| #define | RPGM_MAGIC2 '5' |
| #define | PGM_FORMAT (PGM_MAGIC1 * 256 + PGM_MAGIC2) |
| #define | RPGM_FORMAT (PGM_MAGIC1 * 256 + RPGM_MAGIC2) |
| #define | PGM_TYPE PGM_FORMAT |
| #define | PPM_MAGIC1 'P' |
| #define | PPM_MAGIC2 '3' |
| #define | RPPM_MAGIC2 '6' |
| #define | PPM_FORMAT (PPM_MAGIC1 * 256 + PPM_MAGIC2) |
| #define | RPPM_FORMAT (PPM_MAGIC1 * 256 + RPPM_MAGIC2) |
| #define | PPM_TYPE PPM_FORMAT |
| #define | PPM_DEPTH(newp, p, oldmaxval, newmaxval) |
| #define | PPM_LUMIN(p) ( 0.299 * PPM_GETR(p) + 0.587 * PPM_GETG(p) + 0.114 * PPM_GETB(p) ) |
| #define | pnm_allocarray(cols, rows) ((xel**) pm_allocarray( cols, rows, sizeof(xel) )) |
| #define | pnm_allocrow(cols) ((xel*) pm_allocrow( cols, sizeof(xel) )) |
| #define | pnm_freearray(xels, rows) pm_freearray( (char**) xels, rows ) |
| #define | pnm_freerow(xelrow) pm_freerow( (char*) xelrow ) |
Typedefs |
| typedef unsigned char | bit |
| typedef unsigned char | gray |
| typedef gray | pixval |
| typedef pixel | xel |
| typedef pixval | xelval |
| typedef colorhist_item * | colorhist_vector |
| typedef colorhist_list_item * | colorhist_list |
| typedef colorhist_list * | colorhash_table |
Functions |
| void * | malloc () |
| void pnm_init2 | ARGS ((char *pn)) |
| char **pm_allocarray | ARGS ((int cols, int rows, int size)) |
| char *pm_allocrow | ARGS ((int cols, int size)) |
| void pm_freearray | ARGS ((char **its, int rows)) |
| void pm_freerow | ARGS ((char *itrow)) |
| xel **pnm_readpnm | ARGS ((FILE *file, int *colsP, int *rowsP, xelval *maxvalP, int *formatP)) |
| int pnm_readpnmrow | ARGS ((FILE *file, xel *xelrow, int cols, xelval maxval, int format)) |
| int pnm_writepnm | ARGS ((FILE *file, xel **xels, int cols, int rows, xelval maxval, int format, int forceplain)) |
| int pnm_writepnminit | ARGS ((FILE *file, int cols, int rows, xelval maxval, int format, int forceplain)) |
| int pnm_writepnmrow | ARGS ((FILE *file, xel *xelrow, int cols, xelval maxval, int format, int forceplain)) |
| FILE *pm_openr | ARGS ((char *name)) |
| int pm_closer | ARGS ((FILE *f)) |
| colorhist_vector ppm_computecolorhist | ARGS ((pixel **pixels, int cols, int rows, int maxcolors, int *colorsP)) |
| void ppm_addtocolorhist | ARGS ((colorhist_vector chv, int *colorsP, int maxcolors, pixel *colorP, int value, int position)) |
| void ppm_freecolorhist | ARGS ((colorhist_vector chv)) |
| int ppm_lookupcolor | ARGS ((colorhash_table cht, pixel *colorP)) |
| colorhist_vector ppm_colorhashtocolorhist | ARGS ((colorhash_table cht, int maxcolors)) |
| colorhash_table ppm_colorhisttocolorhash | ARGS ((colorhist_vector chv, int colors)) |
| int ppm_addtocolorhash | ARGS ((colorhash_table cht, pixel *colorP, int value)) |
| colorhash_table ppm_alloccolorhash | ARGS ((void)) |
| void ppm_freecolorhash | ARGS ((colorhash_table cht)) |
| void pnm_promoteformat | ARGS ((xel **xels, int cols, int rows, xelval maxval, int format, xelval newmaxval, int newformat)) |
| void pnm_promoteformatrow | ARGS ((xel *xelrow, int cols, xelval maxval, int format, xelval newmaxval, int newformat)) |
| xel pnm_backgroundxel | ARGS ((xel **xels, int cols, int rows, xelval maxval, int format)) |
| xel pnm_backgroundxelrow | ARGS ((xel *xelrow, int cols, xelval maxval, int format)) |
| xel pnm_whitexel | ARGS ((xelval maxval, int format)) |
| void pnm_invertxel | ARGS ((xel *xP, xelval maxval, int format)) |
Variables |
| xelval | pnm_pbmmaxval |
Define Documentation
| #define ARGS |
( |
alist |
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) |
()
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| #define PBM_FORMAT (PBM_MAGIC1 * 256 + PBM_MAGIC2)
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| #define PBM_FORMAT_TYPE |
( |
f |
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) |
((f) == PBM_FORMAT || (f) == RPBM_FORMAT ? PBM_TYPE : -1)
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| #define PBM_TYPE PBM_FORMAT
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| #define PGM_FORMAT (PGM_MAGIC1 * 256 + PGM_MAGIC2)
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| #define PGM_FORMAT_TYPE |
( |
f |
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((f) == PGM_FORMAT || (f) == RPGM_FORMAT ? PGM_TYPE : PBM_FORMAT_TYPE(f))
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| #define PGM_MAXMAXVAL 255
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| #define PGM_TYPE PGM_FORMAT
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| #define pnm_allocrow |
( |
cols |
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((xel*) pm_allocrow( cols, sizeof(xel) ))
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| #define PNM_ASSIGN1 |
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x, |
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v |
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PPM_ASSIGN(x,0,0,v)
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| #define PNM_EQUAL |
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x, |
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y |
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PPM_EQUAL(x,y)
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| #define PNM_FORMAT_TYPE |
( |
f |
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) |
PPM_FORMAT_TYPE(f)
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| #define PNM_GET1 |
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x |
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) |
PPM_GETB(x)
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| #define PNM_MAXMAXVAL PPM_MAXMAXVAL
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| #define PPM_ASSIGN |
( |
p, |
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red, |
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grn, |
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blu |
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) |
do { (p).r = (red); (p).g = (grn); (p).b = (blu); } while ( 0 )
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| #define PPM_DEPTH |
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newp, |
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p, |
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oldmaxval, |
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newmaxval |
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) |
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| #define PPM_EQUAL |
( |
p, |
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q |
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) |
( (p).r == (q).r && (p).g == (q).g && (p).b == (q).b )
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| #define PPM_FORMAT (PPM_MAGIC1 * 256 + PPM_MAGIC2)
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| #define PPM_FORMAT_TYPE |
( |
f |
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) |
((f) == PPM_FORMAT || (f) == RPPM_FORMAT ? PPM_TYPE : PGM_FORMAT_TYPE(f))
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| #define PPM_GETB |
( |
p |
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) |
((p).b)
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| #define PPM_GETG |
( |
p |
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) |
((p).g)
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| #define PPM_GETR |
( |
p |
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) |
((p).r)
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| #define PPM_LUMIN |
( |
p |
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) |
( 0.299 * PPM_GETR(p) + 0.587 * PPM_GETG(p) + 0.114 * PPM_GETB(p) )
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| #define PPM_MAXMAXVAL PGM_MAXMAXVAL
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| #define PPM_TYPE PPM_FORMAT
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| #define RPBM_FORMAT (PBM_MAGIC1 * 256 + RPBM_MAGIC2)
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| #define RPGM_FORMAT (PGM_MAGIC1 * 256 + RPGM_MAGIC2)
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| #define RPPM_FORMAT (PPM_MAGIC1 * 256 + RPPM_MAGIC2)
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Typedef Documentation
| typedef unsigned char bit
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| typedef unsigned char gray
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Function Documentation
| int pm_closew ARGS |
( |
(FILE *f) |
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) |
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| FILE *pm_openw ARGS |
( |
(char *name) |
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) |
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| void pm_freerow ARGS |
( |
(char *itrow) |
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) |
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| void pm_freearray ARGS |
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(char **its, int rows) |
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) |
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| char* pm_allocrow ARGS |
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(int cols, int size) |
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) |
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| char** pm_allocarray ARGS |
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(int cols, int rows, int size) |
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) |
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| void pnm_init2 ARGS |
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(char *pn) |
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) |
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Variable Documentation
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