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Annotation of qemu/roms/ipxe/src/hci/mucurses/colour.c, revision 1.1.1.1

1.1       root        1: #include <curses.h>
                      2: 
                      3: FILE_LICENCE ( GPL2_OR_LATER );
                      4: 
                      5: struct colour_pair {
                      6:        short fcol;
                      7:        short bcol;
                      8: };
                      9: 
                     10: static struct colour_pair cpairs[COLOUR_PAIRS] = {
                     11:        [0] = { COLOUR_WHITE, COLOUR_BLACK },
                     12: };
                     13: 
                     14: /**
                     15:  * Identify the RGB components of a given colour value
                     16:  *
                     17:  * @v colour   colour value
                     18:  * @v *red     address to store red component
                     19:  * @v *green   address to store green component
                     20:  * @v *blue    address to store blue component
                     21:  * @ret rc     return status code
                     22:  */
                     23: int colour_content ( short colour, short *red, short *green, short *blue ) {
                     24:        *red = ( ( colour & COLOUR_RED ) ? 1 : 0 );
                     25:        *green = ( ( colour & COLOUR_GREEN ) ? 1 : 0 );
                     26:        *blue = ( ( colour & COLOUR_BLUE ) ? 1 : 0 );
                     27:        return OK;
                     28: }
                     29: 
                     30: /**
                     31:  * Initialise colour pair
                     32:  *
                     33:  * @v pair     colour pair number
                     34:  * @v fcol     foreground colour
                     35:  * @v bcol     background colour
                     36:  */
                     37: int init_pair ( short pair, short fcol, short bcol ) {
                     38:        struct colour_pair *cpair;
                     39: 
                     40:        if ( ( pair < 1 ) || ( pair >= COLOUR_PAIRS ) )
                     41:                return ERR;
                     42:        
                     43:        cpair = &cpairs[pair];
                     44:        cpair->fcol = fcol;
                     45:        cpair->bcol = bcol;
                     46:        return OK;
                     47: }
                     48: 
                     49: /**
                     50:  * Get colours of colour pair
                     51:  *
                     52:  * @v pair     colour pair number
                     53:  * @ret fcol   foreground colour
                     54:  * @ret bcol   background colour
                     55:  */
                     56: int pair_content ( short pair, short *fcol, short *bcol ) {
                     57:        struct colour_pair *cpair;
                     58: 
                     59:        if ( ( pair < 0 ) || ( pair >= COLOUR_PAIRS ) )
                     60:                return ERR;
                     61:        
                     62:        cpair = &cpairs[pair];
                     63:        *fcol = cpair->fcol;
                     64:        *bcol = cpair->bcol;
                     65:        return OK;
                     66: }

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