1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright (c) 1995-1998 by Sun Microsystems, Inc. 24 * All rights reserved. 25 */ 26 27 /* LINTLIBRARY */ 28 29 /* 30 * color.c 31 * 32 * XCurses Library 33 * 34 * Copyright 1990, 1995 by Mortice Kern Systems Inc. All rights reserved. 35 * 36 */ 37 38 #ifdef M_RCSID 39 #ifndef lint 40 static char rcsID[] = 41 "$Header: /team/ps/sun_xcurses/archive/local_changes/xcurses/src/lib/" 42 "libxcurses/src/libc/xcurses/rcs/color.c 1.6 1998/05/28 17:10:14 " 43 "cbates Exp $"; 44 #endif 45 #endif 46 47 #include <private.h> 48 #include <stdlib.h> 49 50 int 51 start_color(void) 52 { 53 COLORS = max_colors; 54 COLOR_PAIRS = max_pairs; 55 56 if (orig_colors != (char *) 0) 57 (void) TPUTS(orig_colors, 1, __m_outc); 58 59 if (orig_pair != (char *) 0) 60 (void) TPUTS(orig_pair, 1, __m_outc); 61 62 if (0 < max_colors) { 63 cur_term->_color = calloc(max_colors, 64 sizeof (*cur_term->_color)); 65 if (cur_term->_color == (short (*)[3]) 0) 66 goto error1; 67 } 68 69 if (0 < max_pairs) { 70 cur_term->_pair = calloc(max_pairs, sizeof (*cur_term->_pair)); 71 if (cur_term->_pair == (short (*)[2]) 0) 72 goto error2; 73 } 74 75 (void) init_color(COLOR_BLACK, 0, 0, 0); 76 (void) init_color(COLOR_RED, 1000, 0, 0); 77 (void) init_color(COLOR_GREEN, 0, 1000, 0); 78 (void) init_color(COLOR_BLUE, 0, 0, 1000); 79 (void) init_color(COLOR_YELLOW, 1000, 1000, 0); 80 (void) init_color(COLOR_MAGENTA, 1000, 0, 1000); 81 (void) init_color(COLOR_CYAN, 0, 1000, 1000); 82 (void) init_color(COLOR_WHITE, 1000, 1000, 1000); 83 84 return (OK); 85 error2: 86 if (cur_term->_color != (short (*)[3]) 0) 87 free(cur_term->_color); 88 error1: 89 return (ERR); 90 } 91 92 int 93 init_color(short color, short r, short g, short b) 94 { 95 int code = ERR; 96 97 if (!can_change || color < 0 || max_colors <= color || 98 r < 0 || 1000 < r || 99 g < 0 || 1000 < g || 100 b < 0 || 1000 < b) 101 goto error; 102 103 /* Remember color settings for future queries. */ 104 cur_term->_color[color][0] = r; 105 cur_term->_color[color][1] = g; 106 cur_term->_color[color][2] = b; 107 108 code = OK; 109 110 /* Set the color. */ 111 if (initialize_color != (char *) 0) { 112 code = tputs(tparm(initialize_color, (long) color, 113 (long) r, (long) g, (long) b, 0L, 0L, 0L, 0L, 0L), 114 1, __m_outc); 115 } 116 error: 117 return (code); 118 } 119 120 int 121 init_pair(short pair, short f, short b) 122 { 123 int code = ERR; 124 125 if (pair < 0 || max_pairs <= pair || 126 f < 0 || max_colors <= f || 127 b < 0 || max_colors <= b) 128 goto error; 129 130 /* Remember color-pair settings for future queries. */ 131 cur_term->_pair[pair][0] = f; 132 cur_term->_pair[pair][1] = b; 133 134 code = OK; 135 136 /* Set color-pair (foreground-background). */ 137 if (initialize_pair != (char *) 0) { 138 code = tputs(tparm(initialize_pair, 139 (long) cur_term->_color[f][0], 140 (long) cur_term->_color[f][1], 141 (long) cur_term->_color[f][2], 142 (long) cur_term->_color[b][0], 143 (long) cur_term->_color[b][1], 144 (long) cur_term->_color[b][2], 145 0L, 0L, 0L), 1, __m_outc); 146 } 147 error: 148 return (code); 149 } 150 151 int 152 color_content(short color, short *r, short *g, short *b) 153 { 154 if (color < 0 || max_colors <= color) 155 return (ERR); 156 157 /* 158 * There does not appear to be a terminfo entry to query the 159 * color settings, so we retain them in an array for quick 160 * access. 161 */ 162 *r = cur_term->_color[color][0]; 163 *g = cur_term->_color[color][1]; 164 *b = cur_term->_color[color][2]; 165 166 return (OK); 167 } 168 169 int 170 pair_content(short pair, short *f, short *b) 171 { 172 if (pair < 0 || max_pairs <= pair) 173 return (ERR); 174 175 /* 176 * There does not appear to be a terminfo entry to query the 177 * color-pair settings, so we retain them in an array for quick 178 * access. 179 */ 180 *f = cur_term->_pair[pair][0]; 181 *b = cur_term->_pair[pair][1]; 182 183 return (OK); 184 } 185