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65 lines
1.3 KiB
C
65 lines
1.3 KiB
C
#include <curses.h>
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struct colour_pair {
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short fcol;
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short bcol;
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};
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static struct colour_pair cpairs[COLOUR_PAIRS] = {
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[0] = { COLOUR_WHITE, COLOUR_BLACK },
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};
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/**
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* Identify the RGB components of a given colour value
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*
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* @v colour colour value
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* @v *red address to store red component
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* @v *green address to store green component
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* @v *blue address to store blue component
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* @ret rc return status code
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*/
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int colour_content ( short colour, short *red, short *green, short *blue ) {
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*red = ( ( colour & COLOUR_RED ) ? 1 : 0 );
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*green = ( ( colour & COLOUR_GREEN ) ? 1 : 0 );
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*blue = ( ( colour & COLOUR_BLUE ) ? 1 : 0 );
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return OK;
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}
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/**
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* Initialise colour pair
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*
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* @v pair colour pair number
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* @v fcol foreground colour
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* @v bcol background colour
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*/
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int init_pair ( short pair, short fcol, short bcol ) {
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struct colour_pair *cpair;
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if ( ( pair < 1 ) || ( pair >= COLOUR_PAIRS ) )
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return ERR;
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cpair = &cpairs[pair];
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cpair->fcol = fcol;
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cpair->bcol = bcol;
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return OK;
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}
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/**
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* Get colours of colour pair
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*
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* @v pair colour pair number
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* @ret fcol foreground colour
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* @ret bcol background colour
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*/
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int pair_content ( short pair, short *fcol, short *bcol ) {
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struct colour_pair *cpair;
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if ( ( pair < 0 ) || ( pair >= COLOUR_PAIRS ) )
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return ERR;
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cpair = &cpairs[pair];
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*fcol = cpair->fcol;
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*bcol = cpair->bcol;
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return OK;
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}
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