diff options
Diffstat (limited to 'urt/rle.h')
| -rw-r--r-- | urt/rle.h | 155 |
1 files changed, 14 insertions, 141 deletions
diff --git a/urt/rle.h b/urt/rle.h index 00717748..ee9eb379 100644 --- a/urt/rle.h +++ b/urt/rle.h @@ -50,19 +50,19 @@ typedef unsigned short rle_map; /* * Defines for traditional channel numbers. */ -#define RLE_RED 0 /* Red channel traditionally here. */ -#define RLE_GREEN 1 /* Green channel traditionally here. */ -#define RLE_BLUE 2 /* Blue channel traditionally here. */ -#define RLE_ALPHA -1 /* Alpha channel here. */ +#define RLE_RED 0 /* Red channel traditionally here. */ +#define RLE_GREEN 1 /* Green channel traditionally here. */ +#define RLE_BLUE 2 /* Blue channel traditionally here. */ +#define RLE_ALPHA -1 /* Alpha channel here. */ /* * Return values from rle_get_setup. */ -#define RLE_SUCCESS 0 -#define RLE_NOT_RLE -1 -#define RLE_NO_SPACE -2 -#define RLE_EMPTY -3 -#define RLE_EOF -4 +#define RLE_SUCCESS 0 +#define RLE_NOT_RLE -1 +#define RLE_NO_SPACE -2 +#define RLE_EMPTY -3 +#define RLE_EOF -4 /* * "Magic" value for is_init field. Pi * 2^29. @@ -80,7 +80,7 @@ typedef #endif struct rle_hdr { enum rle_dispatch dispatch; /* Type of file to create. */ - int ncolors; /* Number of color channels. */ + unsigned int ncolors; /* Number of color channels. */ int * bg_color; /* Pointer to bg color vector. */ int alpha; /* If !0, save alpha channel. */ int background; /* 0->just save all pixels, */ @@ -103,7 +103,7 @@ typedef * bits[c/8] & (1 << (c%8)) */ #define RLE_SET_BIT(glob,bit) \ - ((glob).bits[((bit)&0xff)/8] |= (1<<((bit)&0x7))) + ((glob).bits[((bit)&0xff)/8] |= (1<<((bit)&0x7))) #define RLE_CLR_BIT(glob,bit) \ ((glob).bits[((bit)&0xff)/8] &= ~(1<<((bit)&0x7))) #define RLE_BIT(glob,bit) \ @@ -167,13 +167,6 @@ extern int rle_get_error( int code, /* From rle_getrow.c */ -/***************************************************************** - * TAG( rle_debug ) - * - * Turn RLE debugging on or off. - */ -extern void rle_debug( int on_off ); - int rle_get_setup(rle_hdr * const the_hdr); @@ -239,16 +232,6 @@ extern void rle_hdr_clear( rle_hdr *the_hdr ); /* From rle_putrow.c. */ -/***************************************************************** - * TAG( rgb_to_bw ) - * - * Converts RGB data to gray data via the NTSC Y transform. - */ -extern void rgb_to_bw( rle_pixel *red_row, - rle_pixel *green_row, - rle_pixel *blue_row, - rle_pixel *bw_row, - int rowlen ); /***************************************************************** * TAG( rle_puteof ) @@ -285,13 +268,6 @@ extern void rle_put_setup( rle_hdr * the_hdr ); */ extern void rle_skiprow( rle_hdr *the_hdr, int nrow ); -/* From rle_cp.c */ -/***************************************************************** - * TAG( rle_cp ) - * Copy image data from input to output with minimal interpretation. - */ -extern void rle_cp( rle_hdr *in_hdr, rle_hdr *out_hdr ); - /* From rle_row_alc.c. */ /***************************************************************** * TAG( rle_row_alloc ) @@ -308,14 +284,6 @@ extern int rle_row_alloc( rle_hdr * the_hdr, */ extern void rle_row_free( rle_hdr *the_hdr, rle_pixel **scanp ); -/* From buildmap.c. */ -/* - * buildmap - build a more usable colormap from data in the_hdr struct. - */ -extern rle_pixel **buildmap( rle_hdr *the_hdr, - int minmap, - double orig_gamma, - double new_gamma ); /* From rle_getcom.c. */ /***************************************************************** @@ -329,55 +297,11 @@ rle_getcom(const char * const name, /* From rle_putcom.c. */ -/* Delete a specific comment from the image comments. */ -const char * -rle_delcom(const char * const name, - rle_hdr * const the_hdr); - /* Put (or replace) a comment into the image comments. */ const char * rle_putcom(const char * const value, rle_hdr * const the_hdr); -/* From dither.c. */ -/***************************************************************** - * TAG( bwdithermap ) - * Create a color map for ordered dithering in grays. - */ -extern void bwdithermap( int levels, double gamma, int bwmap[], - int divN[256], int modN[256], int magic[16][16] ); -/***************************************************************** - * TAG( ditherbw ) - * Dither a gray-scale value. - */ -extern int ditherbw( int x, int y, int val, - int divN[256], int modN[256], int magic[16][16] ); -/***************************************************************** - * TAG( dithergb ) - * Dither a color value. - */ -extern int dithergb( int x, int y, int r, int g, int b, - int divN[256], int modN[256], int magic[16][16] ); -/***************************************************************** - * TAG( dithermap ) - * Create a color map for ordered dithering in color. - */ -extern void dithermap( int levels, double gamma, int rgbmap[][3], - int divN[256], int modN[256], int magic[16][16] ); -/***************************************************************** - * TAG( make_square ) - * Make a 16x16 magic square for ordered dithering. - */ -extern void make_square( double N, int divN[256], int modN[256], - int magic[16][16] ); - -/* From float_to_exp.c. */ -/***************************************************************** - * TAG( float_to_exp ) - * Convert a list of floating point numbers to "exp" format. - */ -extern void float_to_exp( int count, float * floats, rle_pixel * pixels ); - /* From rle_open_f.c. */ /***************************************************************** * TAG( rle_open_f ) @@ -398,32 +322,14 @@ rle_open_f_noexit(const char * const prog_name, const char * const file_name, const char * const mode); -/***************************************************************** - * TAG( rle_close_f ) - * - * Close a file opened by rle_open_f. If the file is stdin or stdout, - * it will not be closed. - */ -extern void -rle_close_f( FILE *fd ); - -/* From colorquant.c. */ -/***************************************************************** - * TAG( colorquant ) - * Compute a colormap for quantizing an image to a limited set of colors. - */ -extern int colorquant( rle_pixel *red, rle_pixel *green, rle_pixel *blue, - unsigned long pixels, rle_pixel *colormap[3], - int colors, int bits, - rle_pixel *rgbmap, int fast, int otherimages ); /* From rle_addhist.c. */ /* Append history information to the HISTORY comment. */ void -rle_addhist(char * argv[], - rle_hdr * const in_hdr, - rle_hdr * const out_hdr); +rle_addhist(const char ** const argv, + rle_hdr * const in_hdr, + rle_hdr * const out_hdr); /* From cmd_name.c. */ /***************************************************************** @@ -432,38 +338,5 @@ rle_addhist(char * argv[], */ extern char *cmd_name( char **argv ); -/* From scanargs.c. */ -/***************************************************************** - * TAG( scanargs ) - * Scan command argument list and parse arguments. - */ -extern int scanargs( int argc, - char **argv, - const char *format, - ... ); - -/* From hilbert.c */ -/***************************************************************** - * TAG( hilbert_i2c ) - * Convert an index into a Hilbert curve to a set of coordinates. - */ -extern void hilbert_c2i( int n, int m, int a[], long int *r ); - -/***************************************************************** - * TAG( hilbert_c2i ) - * Convert coordinates of a point on a Hilbert curve to its index. - */ -extern void hilbert_i2c( int n, int m, long int r, int a[] ); - -/* From inv_cmap.c */ -/***************************************************************** - * TAG( inv_cmap ) - * Compute an inverse colormap efficiently. - */ -extern void inv_cmap( int colors, - unsigned char *colormap[3], - int bits, - unsigned long *dist_buf, - unsigned char *rgbmap ); #endif /* RLE_H */ |