X-Git-Url: https://ncurses.scripts.mit.edu/?p=ncurses.git;a=blobdiff_plain;f=ncurses%2Fbase%2Flib_color.c;h=a5c181c8b4b140e60e492d00370d9b455fc5237a;hp=590b8907048532caaab0fb612438a8076e40b48d;hb=48c8a4fe456e83238533fb42b36fd5253db22f59;hpb=d4ede7c5fa6a269d338fea32cd93bf39083dda8c diff --git a/ncurses/base/lib_color.c b/ncurses/base/lib_color.c index 590b8907..a5c181c8 100644 --- a/ncurses/base/lib_color.c +++ b/ncurses/base/lib_color.c @@ -1,5 +1,5 @@ /**************************************************************************** - * Copyright (c) 1998-2007,2009 Free Software Foundation, Inc. * + * Copyright (c) 1998-2009,2010 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 * @@ -39,16 +39,33 @@ */ #include - -#include #include #ifndef CUR #define CUR SP_TERMTYPE #endif -MODULE_ID("$Id: lib_color.c,v 1.92 2009/06/06 20:26:16 tom Exp $") +MODULE_ID("$Id: lib_color.c,v 1.98 2010/04/24 22:57:53 tom Exp $") + +#ifdef USE_TERM_DRIVER +#define CanChange InfoOf(SP_PARM).canchange +#define DefaultPalette InfoOf(SP_PARM).defaultPalette +#define HasColor InfoOf(SP_PARM).hascolor +#define InitColor InfoOf(SP_PARM).initcolor +#define MaxColors InfoOf(SP_PARM).maxcolors +#define MaxPairs InfoOf(SP_PARM).maxpairs +#define UseHlsPalette (DefaultPalette == _nc_hls_palette) +#else +#define CanChange can_change +#define DefaultPalette (hue_lightness_saturation ? hls_palette : cga_palette) +#define HasColor has_color +#define InitColor initialize_color +#define MaxColors max_colors +#define MaxPairs max_pairs +#define UseHlsPalette (hue_lightness_saturation) +#endif +#ifndef USE_TERM_DRIVER /* * These should be screen structure members. They need to be globals for * historical reasons. So we assign them in start_color() and also in @@ -69,6 +86,7 @@ NCURSES_PUBLIC_VAR(COLORS) (void) NCURSES_EXPORT_VAR(int) COLOR_PAIRS = 0; NCURSES_EXPORT_VAR(int) COLORS = 0; #endif +#endif /* !USE_TERM_DRIVER */ #define DATA(r,g,b) {r,g,b, 0,0,0, 0} @@ -76,7 +94,7 @@ NCURSES_EXPORT_VAR(int) COLORS = 0; #define MAX_PALETTE 8 -#define OkColorHi(n) (((n) < COLORS) && ((n) < max_colors)) +#define OkColorHi(n) (((n) < COLORS) && ((n) < maxcolors)) #define InPalette(n) ((n) >= 0 && (n) < MAX_PALETTE) /* @@ -111,6 +129,12 @@ static const color_t hls_palette[] = DATA( 300, 50, 100), /* COLOR_CYAN */ DATA( 0, 50, 100), /* COLOR_WHITE */ }; + +#ifdef USE_TERM_DRIVER +NCURSES_EXPORT_VAR(const color_t*) _nc_cga_palette = cga_palette; +NCURSES_EXPORT_VAR(const color_t*) _nc_hls_palette = hls_palette; +#endif + /* *INDENT-ON* */ /* @@ -118,29 +142,30 @@ static const color_t hls_palette[] = * that the index is within the limits of the table which we allocated. */ #define ValidPair(pair) \ - ((SP != 0) && (pair >= 0) && (pair < SP->_pair_limit) && SP->_coloron) + ((SP_PARM != 0) && (pair >= 0) && (pair < SP_PARM->_pair_limit) && SP_PARM->_coloron) #if NCURSES_EXT_FUNCS /* * These are called from _nc_do_color(), which in turn is called from - * vidattr - so we have to assume that SP may be null. + * vidattr - so we have to assume that sp may be null. */ static int -default_fg(void) +default_fg(NCURSES_SP_DCL0) { - return (SP != 0) ? SP->_default_fg : COLOR_WHITE; + return (SP_PARM != 0) ? SP_PARM->_default_fg : COLOR_WHITE; } static int -default_bg(void) +default_bg(NCURSES_SP_DCL0) { - return SP != 0 ? SP->_default_bg : COLOR_BLACK; + return SP_PARM != 0 ? SP_PARM->_default_bg : COLOR_BLACK; } #else -#define default_fg() COLOR_WHITE -#define default_bg() COLOR_BLACK +#define default_fg(sp) COLOR_WHITE +#define default_bg(sp) COLOR_BLACK #endif +#ifndef USE_TERM_DRIVER /* * SVr4 curses is known to interchange color codes (1,4) and (3,6), possibly * to maintain compatibility with a pre-ANSI scheme. The same scheme is @@ -157,10 +182,14 @@ toggled_colors(int c) } return c; } +#endif 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); +#else if (set_a_background) { TPUTS_TRACE("set_a_background"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx @@ -172,11 +201,15 @@ set_background_color(NCURSES_SP_DCLx int bg, NCURSES_SP_OUTC outc) TPARM_1(set_background, toggled_colors(bg)), 1, outc); } +#endif } 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); +#else if (set_a_foreground) { TPUTS_TRACE("set_a_foreground"); NCURSES_SP_NAME(tputs) (NCURSES_SP_ARGx @@ -188,21 +221,23 @@ set_foreground_color(NCURSES_SP_DCLx int fg, NCURSES_SP_OUTC outc) TPARM_1(set_foreground, toggled_colors(fg)), 1, outc); } +#endif } static void init_color_table(NCURSES_SP_DCL0) { - const color_t *tp; + const color_t *tp = DefaultPalette; int n; - tp = (hue_lightness_saturation) ? hls_palette : cga_palette; + assert(tp != 0); + for (n = 0; n < COLORS; n++) { if (InPalette(n)) { SP_PARM->_color_table[n] = tp[n]; } else { SP_PARM->_color_table[n] = tp[n % MAX_PALETTE]; - if (hue_lightness_saturation) { + if (UseHlsPalette) { SP_PARM->_color_table[n].green = 100; } else { if (SP_PARM->_color_table[n].red) @@ -222,14 +257,19 @@ init_color_table(NCURSES_SP_DCL0) static bool reset_color_pair(NCURSES_SP_DCL0) { +#ifdef USE_TERM_DRIVER + return CallDriver(SP_PARM, rescol); +#else bool result = FALSE; + (void) SP_PARM; if (orig_pair != 0) { TPUTS_TRACE("orig_pair"); putp(orig_pair); result = TRUE; } return result; +#endif } /* @@ -237,26 +277,31 @@ reset_color_pair(NCURSES_SP_DCL0) * badly-written terminal descriptions than for the relatively rare case where * someone has changed the color definitions. */ -bool -NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_DCL0) { +NCURSES_EXPORT(bool) +NCURSES_SP_NAME(_nc_reset_colors) (NCURSES_SP_DCL0) +{ int result = FALSE; - T((T_CALLED("_nc_reset_colors()"))); + T((T_CALLED("_nc_reset_colors(%p)"), (void *) SP_PARM)); if (SP_PARM->_color_defs > 0) SP_PARM->_color_defs = -(SP_PARM->_color_defs); - if (reset_color_pair(NCURSES_SP_ARG)) result = TRUE; + +#ifdef USE_TERM_DRIVER + result = CallDriver(SP_PARM, rescolors); +#else if (orig_colors != 0) { TPUTS_TRACE("orig_colors"); putp(orig_colors); result = TRUE; } +#endif returnBool(result); } #if NCURSES_SP_FUNCS -bool +NCURSES_EXPORT(bool) _nc_reset_colors(void) { return NCURSES_SP_NAME(_nc_reset_colors) (CURRENT_SCREEN); @@ -267,48 +312,49 @@ NCURSES_EXPORT(int) NCURSES_SP_NAME(start_color) (NCURSES_SP_DCL0) { int result = ERR; + int maxpairs = 0, maxcolors = 0; - T((T_CALLED("start_color()"))); + T((T_CALLED("start_color(%p)"), (void *) SP_PARM)); if (SP_PARM == 0) { result = ERR; } else if (SP_PARM->_coloron) { result = OK; } else { - + maxpairs = MaxPairs; + maxcolors = MaxColors; if (reset_color_pair(NCURSES_SP_ARG) != TRUE) { set_foreground_color(NCURSES_SP_ARGx - default_fg(), + default_fg(NCURSES_SP_ARG), NCURSES_SP_NAME(_nc_outch)); set_background_color(NCURSES_SP_ARGx - default_bg(), + default_bg(NCURSES_SP_ARG), NCURSES_SP_NAME(_nc_outch)); } - if (max_pairs > 0 && max_colors > 0) { - SP_PARM->_pair_limit = max_pairs; + if (maxpairs > 0 && maxcolors > 0) { + SP_PARM->_pair_limit = maxpairs; #if NCURSES_EXT_FUNCS /* * If using default colors, allocate extra space in table to * allow for default-color as a component of a color-pair. */ - SP_PARM->_pair_limit += (1 + (2 * max_colors)); + SP_PARM->_pair_limit += (1 + (2 * maxcolors)); #endif - SP_PARM->_pair_count = max_pairs; - SP_PARM->_color_count = max_colors; + SP_PARM->_pair_count = maxpairs; + SP_PARM->_color_count = maxcolors; #if !USE_REENTRANT - COLOR_PAIRS = max_pairs; - COLORS = max_colors; + COLOR_PAIRS = maxpairs; + COLORS = maxcolors; #endif - SP_PARM->_color_pairs = TYPE_CALLOC(colorpair_t, - SP_PARM->_pair_limit); + SP_PARM->_color_pairs = TYPE_CALLOC(colorpair_t, SP_PARM->_pair_limit); if (SP_PARM->_color_pairs != 0) { - SP_PARM->_color_table = TYPE_CALLOC(color_t, max_colors); + SP_PARM->_color_table = TYPE_CALLOC(color_t, maxcolors); if (SP_PARM->_color_table != 0) { - SP_PARM->_color_pairs[0] = PAIR_OF(default_fg(), - default_bg()); + SP_PARM->_color_pairs[0] = PAIR_OF(default_fg(NCURSES_SP_ARG), + default_bg(NCURSES_SP_ARG)); init_color_table(NCURSES_SP_ARG); T(("started color: COLORS = %d, COLOR_PAIRS = %d", @@ -348,7 +394,7 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s) max = b; /* calculate lightness */ - *l = (min + max) / 20; + *l = (short) ((min + max) / 20); if (min == max) { /* black, white and all shades of gray */ *h = 0; @@ -358,17 +404,17 @@ rgb2hls(short r, short g, short b, short *h, short *l, short *s) /* calculate saturation */ if (*l < 50) - *s = ((max - min) * 100) / (max + min); + *s = (short) (((max - min) * 100) / (max + min)); else - *s = ((max - min) * 100) / (2000 - max - min); + *s = (short) (((max - min) * 100) / (2000 - max - min)); /* calculate hue */ if (r == max) - t = 120 + ((g - b) * 60) / (max - min); + t = (short) (120 + ((g - b) * 60) / (max - min)); else if (g == max) - t = 240 + ((b - r) * 60) / (max - min); + t = (short) (240 + ((b - r) * 60) / (max - min)); else - t = 360 + ((r - g) * 60) / (max - min); + t = (short) (360 + ((r - g) * 60) / (max - min)); *h = t % 360; } @@ -382,12 +428,15 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) { colorpair_t result; colorpair_t previous; + int maxcolors; - T((T_CALLED("init_pair(%d,%d,%d)"), pair, f, b)); + T((T_CALLED("init_pair(%p,%d,%d,%d)"), (void *) SP_PARM, pair, f, b)); if (!ValidPair(pair)) returnCode(ERR); + maxcolors = MaxColors; + previous = SP_PARM->_color_pairs[pair]; #if NCURSES_EXT_FUNCS if (SP_PARM->_default_color) { @@ -463,10 +512,10 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) && previous != result) { int y, x; - for (y = 0; y <= curscr->_maxy; y++) { - struct ldat *ptr = &(curscr->_line[y]); + for (y = 0; y <= CurScreen(SP_PARM)->_maxy; y++) { + struct ldat *ptr = &(CurScreen(SP_PARM)->_line[y]); bool changed = FALSE; - for (x = 0; x <= curscr->_maxx; x++) { + for (x = 0; x <= CurScreen(SP_PARM)->_maxx; x++) { if (GetPair(ptr->text[x]) == pair) { /* Set the old cell to zero to ensure it will be updated on the next doupdate() */ @@ -476,15 +525,19 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) } } if (changed) - _nc_make_oldhash(y); + NCURSES_SP_NAME(_nc_make_oldhash) (NCURSES_SP_ARGx y); } } + SP_PARM->_color_pairs[pair] = result; if (GET_SCREEN_PAIR(SP_PARM) == pair) SET_SCREEN_PAIR(SP_PARM, (chtype) (~0)); /* force attribute update */ +#ifdef USE_TERM_DRIVER + CallDriver_3(SP_PARM, initpair, pair, f, b); +#else if (initialize_pair && InPalette(f) && InPalette(b)) { - const color_t *tp = hue_lightness_saturation ? hls_palette : cga_palette; + const color_t *tp = DefaultPalette; TR(TRACE_ATTRS, ("initializing pair: pair = %d, fg=(%d,%d,%d), bg=(%d,%d,%d)", @@ -498,6 +551,7 @@ NCURSES_SP_NAME(init_pair) (NCURSES_SP_DCLx short pair, short f, short b) tp[f].red, tp[f].green, tp[f].blue, tp[b].red, tp[b].green, tp[b].blue)); } +#endif returnCode(OK); } @@ -517,11 +571,19 @@ NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx short color, short r, short g, short b) { int result = ERR; + int maxcolors; - T((T_CALLED("init_color(%d,%d,%d,%d)"), color, r, g, b)); + T((T_CALLED("init_color(%p,%d,%d,%d,%d)"), + (void *) SP_PARM, + color, + r, g, b)); - if (initialize_color != NULL - && SP_PARM != 0 + if (SP_PARM == 0) + returnCode(result); + + maxcolors = MaxColors; + + if (InitColor && SP_PARM->_coloron && (color >= 0 && OkColorHi(color)) && (okRGB(r) && okRGB(g) && okRGB(b))) { @@ -531,7 +593,7 @@ NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx SP_PARM->_color_table[color].g = g; SP_PARM->_color_table[color].b = b; - if (hue_lightness_saturation) { + if (UseHlsPalette) { rgb2hls(r, g, b, &SP_PARM->_color_table[color].red, &SP_PARM->_color_table[color].green, @@ -542,9 +604,14 @@ NCURSES_SP_NAME(init_color) (NCURSES_SP_DCLx SP_PARM->_color_table[color].blue = b; } +#ifdef USE_TERM_DRIVER + CallDriver_4(SP_PARM, initcolor, color, r, g, b); +#else TPUTS_TRACE("initialize_color"); putp(TPARM_4(initialize_color, color, r, g, b)); +#endif SP_PARM->_color_defs = max(color + 1, SP_PARM->_color_defs); + result = OK; } returnCode(result); @@ -559,10 +626,10 @@ init_color(short color, short r, short g, short b) #endif NCURSES_EXPORT(bool) -NCURSES_SP_NAME(can_change_color) (NCURSES_SP_DCL0) +NCURSES_SP_NAME(can_change_color) (NCURSES_SP_DCL) { - T((T_CALLED("can_change_color()"))); - returnCode((can_change != 0) ? TRUE : FALSE); + T((T_CALLED("can_change_color(%p)"), (void *) SP_PARM)); + returnCode((CanChange != 0) ? TRUE : FALSE); } #if NCURSES_SP_FUNCS @@ -576,13 +643,21 @@ can_change_color(void) NCURSES_EXPORT(bool) NCURSES_SP_NAME(has_colors) (NCURSES_SP_DCL0) { + int code; + + (void) SP_PARM; T((T_CALLED("has_colors()"))); - returnCode((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); +#ifdef USE_TERM_DRIVER + 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); +#endif + returnCode(code); } #if NCURSES_SP_FUNCS @@ -594,13 +669,25 @@ has_colors(void) #endif NCURSES_EXPORT(int) -NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx short color, short *r, - short *g, short *b) +NCURSES_SP_NAME(color_content) (NCURSES_SP_DCLx + short color, short *r, short *g, short *b) { - int result; + int result = ERR; + int maxcolors; - T((T_CALLED("color_content(%d,%p,%p,%p)"), color, r, g, b)); - if (color < 0 || !OkColorHi(color) || SP_PARM == 0 || !SP_PARM->_coloron) { + T((T_CALLED("color_content(%p,%d,%p,%p,%p)"), + (void *) SP_PARM, + color, + (void *) r, + (void *) g, + (void *) b)); + + if (SP_PARM == 0) + returnCode(result); + + maxcolors = MaxColors; + + if (color < 0 || !OkColorHi(color) || !SP_PARM->_coloron) { result = ERR; } else { NCURSES_COLOR_T c_r = SP_PARM->_color_table[color].red; @@ -630,12 +717,16 @@ color_content(short color, short *r, short *g, short *b) #endif NCURSES_EXPORT(int) -NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx short pair, short *f, - short *b) +NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx + short pair, short *f, short *b) { int result; - T((T_CALLED("pair_content(%d,%p,%p)"), pair, f, b)); + T((T_CALLED("pair_content(%p,%d,%p,%p)"), + (void *) SP_PARM, + pair, + (void *) f, + (void *) b)); if (!ValidPair(pair)) { result = ERR; @@ -655,7 +746,10 @@ NCURSES_SP_NAME(pair_content) (NCURSES_SP_DCLx short pair, short *f, if (b) *b = bg; - TR(TRACE_ATTRS, ("...pair_content(%d,%d,%d)", pair, fg, bg)); + TR(TRACE_ATTRS, ("...pair_content(%p,%d,%d,%d)", + (void *) SP_PARM, + pair, + fg, bg)); result = OK; } returnCode(result); @@ -676,6 +770,9 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx bool reverse, NCURSES_SP_OUTC outc) { +#ifdef USE_TERM_DRIVER + CallDriver_4(SP_PARM, 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; @@ -725,9 +822,9 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx #if NCURSES_EXT_FUNCS if (isDefaultColor(fg)) - fg = default_fg(); + fg = (short) default_fg(NCURSES_SP_ARG); if (isDefaultColor(bg)) - bg = default_bg(); + bg = (short) default_bg(NCURSES_SP_ARG); #endif if (reverse) { @@ -745,6 +842,7 @@ NCURSES_SP_NAME(_nc_do_color) (NCURSES_SP_DCLx if (!isDefaultColor(bg)) { set_background_color(NCURSES_SP_ARGx bg, outc); } +#endif } #if NCURSES_SP_FUNCS