diff options
Diffstat (limited to 'ncurses/base/lib_color.c')
| -rw-r--r-- | ncurses/base/lib_color.c | 176 |
1 files changed, 109 insertions, 67 deletions
diff --git a/ncurses/base/lib_color.c b/ncurses/base/lib_color.c index a5c181c..1322600 100644 --- a/ncurses/base/lib_color.c +++ b/ncurses/base/lib_color.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2009,2010 Free Software Foundation, Inc. * + * Copyright (c) 1998-2013,2014 Free Software Foundation, Inc. * * * * Permission is hereby granted, free of charge, to any person obtaining a * * copy of this software and associated documentation files (the * @@ -45,7 +45,7 @@ #define CUR SP_TERMTYPE #endif -MODULE_ID("$Id: lib_color.c,v 1.98 2010/04/24 22:57:53 tom Exp $") +MODULE_ID("$Id: lib_color.c,v 1.110 2014/03/08 20:04:44 tom Exp $") #ifdef USE_TERM_DRIVER #define CanChange InfoOf(SP_PARM).canchange @@ -188,7 +188,7 @@ static void set_background_color(NCURSES_SP_DCLx int bg, NCURSES_SP_OUTC outc) { #ifdef USE_TERM_DRIVER - CallDriver_3(SP_PARM, color, FALSE, bg, outc); + CallDriver_3(SP_PARM, td_color, FALSE, bg, outc); #else if (set_a_background) { TPUTS_TRACE("set_a_background"); @@ -208,7 +208,7 @@ static void set_foreground_color(NCURSES_SP_DCLx int fg, NCURSES_SP_OUTC outc) { #ifdef USE_TERM_DRIVER - CallDriver_3(SP_PARM, color, TRUE, fg, outc); + CallDriver_3(SP_PARM, td_color, TRUE, fg, outc); #else if (set_a_foreground) { TPUTS_TRACE("set_a_foreground"); @@ -258,14 +258,13 @@ static bool reset_color_pair(NCURSES_SP_DCL0) { #ifdef USE_TERM_DRIVER - return CallDriver(SP_PARM, rescol); + return CallDriver(SP_PARM, td_rescol); #else bool result = FALSE; (void) SP_PARM; if (orig_pair != 0) { - TPUTS_TRACE("orig_pair"); - putp(orig_pair); + (void) NCURSES_PUTP2("orig_pair", orig_pair); result = TRUE; } return result; @@ -289,11 +288,10 @@ NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_DCL0) result = TRUE; #ifdef USE_TERM_DRIVER - result = CallDriver(SP_PARM, rescolors); + result = CallDriver(SP_PARM, td_rescolors); #else if (orig_colors != 0) { - TPUTS_TRACE("orig_colors"); - putp(orig_colors); + NCURSES_PUTP2("orig_colors", orig_colors); result = TRUE; } #endif @@ -331,6 +329,13 @@ NCURSES_SP_NAME(start_color) (NCURSES_SP_DCL0) default_bg(NCURSES_SP_ARG), NCURSES_SP_NAME(_nc_outch)); } +#if !NCURSES_EXT_COLORS + /* + * Without ext-colors, we cannot represent more than 256 color pairs. + */ + if (maxpairs > 256) + maxpairs = 256; +#endif if (maxpairs > 0 && maxcolors > 0) { SP_PARM->_pair_limit = maxpairs; @@ -383,10 +388,10 @@ start_color(void) /* This function was originally written by Daniel Weaver <danw@znyx.com> */ static void -rgb2hls(short r, short g, short b, short *h, short *l, short *s) +rgb2hls(int r, int g, int b, NCURSES_COLOR_T *h, NCURSES_COLOR_T *l, NCURSES_COLOR_T *s) /* convert RGB to HLS system */ { - short min, max, t; + int min, max, t; if ((min = g < r ? g : r) > b) min = b; @@ -394,7 +399,7 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s) max = b; /* calculate lightness */ - *l = (short) ((min + max) / 20); + *l = (NCURSES_COLOR_T) ((min + max) / 20); if (min == max) { /* black, white and all shades of gray */ *h = 0; @@ -404,19 +409,19 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s) /* calculate saturation */ if (*l < 50) - *s = (short) (((max - min) * 100) / (max + min)); + *s = (NCURSES_COLOR_T) (((max - min) * 100) / (max + min)); else - *s = (short) (((max - min) * 100) / (2000 - max - min)); + *s = (NCURSES_COLOR_T) (((max - min) * 100) / (2000 - max - min)); /* calculate hue */ if (r == max) - t = (short) (120 + ((g - b) * 60) / (max - min)); + t = (NCURSES_COLOR_T) (120 + ((g - b) * 60) / (max - min)); else if (g == max) - t = (short) (240 + ((b - r) * 60) / (max - min)); + t = (NCURSES_COLOR_T) (240 + ((b - r) * 60) / (max - min)); else - t = (short) (360 + ((r - g) * 60) / (max - min)); + t = (NCURSES_COLOR_T) (360 + ((r - g) * 60) / (max - min)); - *h = t % 360; + *h = (NCURSES_COLOR_T) (t % 360); } /* @@ -424,13 +429,20 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s) * values. */ NCURSES_EXPORT(int) -NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) +NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx + NCURSES_PAIRS_T pair, + NCURSES_COLOR_T f, + NCURSES_COLOR_T b) { colorpair_t result; colorpair_t previous; int maxcolors; - T((T_CALLED("init_pair(%p,%d,%d,%d)"), (void *) SP_PARM, pair, f, b)); + T((T_CALLED("init_pair(%p,%d,%d,%d)"), + (void *) SP_PARM, + (int) pair, + (int) f, + (int) b)); if (!ValidPair(pair)) returnCode(ERR); @@ -439,7 +451,7 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) previous = SP_PARM->_color_pairs[pair]; #if NCURSES_EXT_FUNCS - if (SP_PARM->_default_color) { + if (SP_PARM->_default_color || SP_PARM->_assumed_color) { bool isDefault = FALSE; bool wasDefault = FALSE; int default_pairs = SP_PARM->_default_pairs; @@ -498,8 +510,9 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) { if ((f < 0) || !OkColorHi(f) || (b < 0) || !OkColorHi(b) - || (pair < 1)) + || (pair < 1)) { returnCode(ERR); + } } /* @@ -534,22 +547,26 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) SET_SCREEN_PAIR(SP_PARM, (chtype) (~0)); /* force attribute update */ #ifdef USE_TERM_DRIVER - CallDriver_3(SP_PARM, initpair, pair, f, b); + CallDriver_3(SP_PARM, td_initpair, pair, f, b); #else if (initialize_pair && InPalette(f) && InPalette(b)) { const color_t *tp = DefaultPalette; TR(TRACE_ATTRS, ("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)", - pair, - tp[f].red, tp[f].green, tp[f].blue, - tp[b].red, tp[b].green, tp[b].blue)); - - TPUTS_TRACE("initialize_pair"); - putp(TPARM_7(initialize_pair, - pair, - tp[f].red, tp[f].green, tp[f].blue, - tp[b].red, tp[b].green, tp[b].blue)); + (int) pair, + (int) tp[f].red, (int) tp[f].green, (int) tp[f].blue, + (int) tp[b].red, (int) tp[b].green, (int) tp[b].blue)); + + NCURSES_PUTP2("initialize_pair", + TPARM_7(initialize_pair, + pair, + (int) tp[f].red, + (int) tp[f].green, + (int) tp[f].blue, + (int) tp[b].red, + (int) tp[b].green, + (int) tp[b].blue)); } #endif @@ -558,7 +575,7 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) #if NCURSES_SP_FUNCS NCURSES_EXPORT(int) -init_pair(short pair, short f, short b) +init_pair(NCURSES_COLOR_T pair, NCURSES_COLOR_T f, NCURSES_COLOR_T b) { return NCURSES_SP_NAME(init_pair) (CURRENT_SCREEN, pair, f, b); } @@ -568,7 +585,10 @@ init_pair(short pair, short f, short b) NCURSES_EXPORT(int) NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx - short color, short r, short g, short b) + NCURSES_COLOR_T color, + NCURSES_COLOR_T r, + NCURSES_COLOR_T g, + NCURSES_COLOR_T b) { int result = ERR; int maxcolors; @@ -605,10 +625,10 @@ NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx } #ifdef USE_TERM_DRIVER - CallDriver_4(SP_PARM, initcolor, color, r, g, b); + CallDriver_4(SP_PARM, td_initcolor, color, r, g, b); #else - TPUTS_TRACE("initialize_color"); - putp(TPARM_4(initialize_color, color, r, g, b)); + NCURSES_PUTP2("initialize_color", + TPARM_4(initialize_color, color, r, g, b)); #endif SP_PARM->_color_defs = max(color + 1, SP_PARM->_color_defs); @@ -619,7 +639,10 @@ NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx #if NCURSES_SP_FUNCS NCURSES_EXPORT(int) -init_color(short color, short r, short g, short b) +init_color(NCURSES_COLOR_T color, + NCURSES_COLOR_T r, + NCURSES_COLOR_T g, + NCURSES_COLOR_T b) { return NCURSES_SP_NAME(init_color) (CURRENT_SCREEN, color, r, g, b); } @@ -628,8 +651,15 @@ init_color(short color, short r, short g, short b) NCURSES_EXPORT(bool) NCURSES_SP_NAME(can_change_color) (NCURSES_SP_DCL) { + int result = FALSE; + T((T_CALLED("can_change_color(%p)"), (void *) SP_PARM)); - returnCode((CanChange != 0) ? TRUE : FALSE); + + if (HasTerminal(SP_PARM) && (CanChange != 0)) { + result = TRUE; + } + + returnCode(result); } #if NCURSES_SP_FUNCS @@ -643,20 +673,22 @@ can_change_color(void) NCURSES_EXPORT(bool) NCURSES_SP_NAME(has_colors) (NCURSES_SP_DCL0) { - int code; + int code = FALSE; (void) SP_PARM; T((T_CALLED("has_colors()"))); + if (HasTerminal(SP_PARM)) { #ifdef USE_TERM_DRIVER - code = HasColor; + code = HasColor; #else - code = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs) - && (((set_foreground != NULL) - && (set_background != NULL)) - || ((set_a_foreground != NULL) - && (set_a_background != NULL)) - || set_color_pair)) ? TRUE : FALSE); + code = ((VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs) + && (((set_foreground != NULL) + && (set_background != NULL)) + || ((set_a_foreground != NULL) + && (set_a_background != NULL)) + || set_color_pair)) ? TRUE : FALSE); #endif + } returnCode(code); } @@ -670,7 +702,10 @@ has_colors(void) NCURSES_EXPORT(int) NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx - short color, short *r, short *g, short *b) + NCURSES_COLOR_T color, + NCURSES_COLOR_T *r, + NCURSES_COLOR_T *g, + NCURSES_COLOR_T *b) { int result = ERR; int maxcolors; @@ -710,7 +745,10 @@ NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx #if NCURSES_SP_FUNCS NCURSES_EXPORT(int) -color_content(short color, short *r, short *g, short *b) +color_content(NCURSES_COLOR_T color, + NCURSES_COLOR_T *r, + NCURSES_COLOR_T *g, + NCURSES_COLOR_T *b) { return NCURSES_SP_NAME(color_content) (CURRENT_SCREEN, color, r, g, b); } @@ -718,21 +756,23 @@ color_content(short color, short *r, short *g, short *b) NCURSES_EXPORT(int) NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx - short pair, short *f, short *b) + NCURSES_PAIRS_T pair, + NCURSES_COLOR_T *f, + NCURSES_COLOR_T *b) { int result; T((T_CALLED("pair_content(%p,%d,%p,%p)"), (void *) SP_PARM, - pair, + (int) pair, (void *) f, (void *) b)); if (!ValidPair(pair)) { result = ERR; } else { - NCURSES_COLOR_T fg = FORE_OF(SP_PARM->_color_pairs[pair]); - NCURSES_COLOR_T bg = BACK_OF(SP_PARM->_color_pairs[pair]); + NCURSES_COLOR_T fg = (NCURSES_COLOR_T) FORE_OF(SP_PARM->_color_pairs[pair]); + NCURSES_COLOR_T bg = (NCURSES_COLOR_T) BACK_OF(SP_PARM->_color_pairs[pair]); #if NCURSES_EXT_FUNCS if (fg == COLOR_DEFAULT) @@ -748,8 +788,8 @@ NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx TR(TRACE_ATTRS, ("...pair_content(%p,%d,%d,%d)", (void *) SP_PARM, - pair, - fg, bg)); + (int) pair, + (int) fg, (int) bg)); result = OK; } returnCode(result); @@ -757,7 +797,7 @@ NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx #if NCURSES_SP_FUNCS NCURSES_EXPORT(int) -pair_content(short pair, short *f, short *b) +pair_content(NCURSES_COLOR_T pair, NCURSES_COLOR_T *f, NCURSES_COLOR_T *b) { return NCURSES_SP_NAME(pair_content) (CURRENT_SCREEN, pair, f, b); } @@ -765,17 +805,18 @@ pair_content(short pair, short *f, short *b) NCURSES_EXPORT(void) NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx - short old_pair, - short pair, - bool reverse, + int old_pair, + int pair, + int reverse, NCURSES_SP_OUTC outc) { #ifdef USE_TERM_DRIVER - CallDriver_4(SP_PARM, docolor, old_pair, pair, reverse, outc); + CallDriver_4(SP_PARM, td_docolor, old_pair, pair, reverse, outc); #else NCURSES_COLOR_T fg = COLOR_DEFAULT; NCURSES_COLOR_T bg = COLOR_DEFAULT; - NCURSES_COLOR_T old_fg, old_bg; + NCURSES_COLOR_T old_fg = -1; + NCURSES_COLOR_T old_bg = -1; if (!ValidPair(pair)) { return; @@ -787,13 +828,14 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx 1, outc); return; } else if (SP_PARM != 0) { - pair_content((short) pair, &fg, &bg); + if (pair_content((NCURSES_COLOR_T) pair, &fg, &bg) == ERR) + return; } } if (old_pair >= 0 && SP_PARM != 0 - && pair_content(old_pair, &old_fg, &old_bg) != ERR) { + && pair_content((NCURSES_COLOR_T) old_pair, &old_fg, &old_bg) != ERR) { if ((isDefaultColor(fg) && !isDefaultColor(old_fg)) || (isDefaultColor(bg) && !isDefaultColor(old_bg))) { #if NCURSES_EXT_FUNCS @@ -822,9 +864,9 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx #if NCURSES_EXT_FUNCS if (isDefaultColor(fg)) - fg = (short) default_fg(NCURSES_SP_ARG); + fg = (NCURSES_COLOR_T) default_fg(NCURSES_SP_ARG); if (isDefaultColor(bg)) - bg = (short) default_bg(NCURSES_SP_ARG); + bg = (NCURSES_COLOR_T) default_bg(NCURSES_SP_ARG); #endif if (reverse) { @@ -847,7 +889,7 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx #if NCURSES_SP_FUNCS NCURSES_EXPORT(void) -_nc_do_color(short old_pair, short pair, bool reverse, NCURSES_OUTC outc) +_nc_do_color(int old_pair, int pair, int reverse, NCURSES_OUTC outc) { SetSafeOutcWrapper(outc); NCURSES_SP_NAME(_nc_do_color) (CURRENT_SCREEN, |