| /* named_colors.c - Named color values. */ |
| /* |
| * GRUB -- GRand Unified Bootloader |
| * Copyright (C) 2008 Free Software Foundation, Inc. |
| * |
| * GRUB is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 3 of the License, or |
| * (at your option) any later version. |
| * |
| * GRUB is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with GRUB. If not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #include <grub/types.h> |
| #include <grub/gui.h> |
| #include <grub/gui_string_util.h> |
| #include <grub/misc.h> |
| #include <grub/dl.h> |
| #include <grub/i18n.h> |
| #include <grub/color.h> |
| |
| GRUB_MOD_LICENSE ("GPLv3+"); |
| |
| struct named_color |
| { |
| const char *name; |
| grub_video_rgba_color_t color; |
| }; |
| |
| /* |
| Named color list generated from the list of SVG color keywords from |
| <http://www.w3.org/TR/css3-color/#svg-color>, |
| processed through the following Perl command: |
| perl -ne 'chomp;split;print "{ \"$_[0]\", RGB_COLOR($_[2]) },\n"' |
| */ |
| |
| #define RGB_COLOR(r,g,b) {.red = r, .green = g, .blue = b, .alpha = 255} |
| |
| static struct named_color named_colors[] = |
| { |
| { "aliceblue", RGB_COLOR(240,248,255) }, |
| { "antiquewhite", RGB_COLOR(250,235,215) }, |
| { "aqua", RGB_COLOR(0,255,255) }, |
| { "aquamarine", RGB_COLOR(127,255,212) }, |
| { "azure", RGB_COLOR(240,255,255) }, |
| { "beige", RGB_COLOR(245,245,220) }, |
| { "bisque", RGB_COLOR(255,228,196) }, |
| { "black", RGB_COLOR(0,0,0) }, |
| { "blanchedalmond", RGB_COLOR(255,235,205) }, |
| { "blue", RGB_COLOR(0,0,255) }, |
| { "blueviolet", RGB_COLOR(138,43,226) }, |
| { "brown", RGB_COLOR(165,42,42) }, |
| { "burlywood", RGB_COLOR(222,184,135) }, |
| { "cadetblue", RGB_COLOR(95,158,160) }, |
| { "chartreuse", RGB_COLOR(127,255,0) }, |
| { "chocolate", RGB_COLOR(210,105,30) }, |
| { "coral", RGB_COLOR(255,127,80) }, |
| { "cornflowerblue", RGB_COLOR(100,149,237) }, |
| { "cornsilk", RGB_COLOR(255,248,220) }, |
| { "crimson", RGB_COLOR(220,20,60) }, |
| { "cyan", RGB_COLOR(0,255,255) }, |
| { "darkblue", RGB_COLOR(0,0,139) }, |
| { "darkcyan", RGB_COLOR(0,139,139) }, |
| { "darkgoldenrod", RGB_COLOR(184,134,11) }, |
| { "darkgray", RGB_COLOR(169,169,169) }, |
| { "darkgreen", RGB_COLOR(0,100,0) }, |
| { "darkgrey", RGB_COLOR(169,169,169) }, |
| { "darkkhaki", RGB_COLOR(189,183,107) }, |
| { "darkmagenta", RGB_COLOR(139,0,139) }, |
| { "darkolivegreen", RGB_COLOR(85,107,47) }, |
| { "darkorange", RGB_COLOR(255,140,0) }, |
| { "darkorchid", RGB_COLOR(153,50,204) }, |
| { "darkred", RGB_COLOR(139,0,0) }, |
| { "darksalmon", RGB_COLOR(233,150,122) }, |
| { "darkseagreen", RGB_COLOR(143,188,143) }, |
| { "darkslateblue", RGB_COLOR(72,61,139) }, |
| { "darkslategray", RGB_COLOR(47,79,79) }, |
| { "darkslategrey", RGB_COLOR(47,79,79) }, |
| { "darkturquoise", RGB_COLOR(0,206,209) }, |
| { "darkviolet", RGB_COLOR(148,0,211) }, |
| { "deeppink", RGB_COLOR(255,20,147) }, |
| { "deepskyblue", RGB_COLOR(0,191,255) }, |
| { "dimgray", RGB_COLOR(105,105,105) }, |
| { "dimgrey", RGB_COLOR(105,105,105) }, |
| { "dodgerblue", RGB_COLOR(30,144,255) }, |
| { "firebrick", RGB_COLOR(178,34,34) }, |
| { "floralwhite", RGB_COLOR(255,250,240) }, |
| { "forestgreen", RGB_COLOR(34,139,34) }, |
| { "fuchsia", RGB_COLOR(255,0,255) }, |
| { "gainsboro", RGB_COLOR(220,220,220) }, |
| { "ghostwhite", RGB_COLOR(248,248,255) }, |
| { "gold", RGB_COLOR(255,215,0) }, |
| { "goldenrod", RGB_COLOR(218,165,32) }, |
| { "gray", RGB_COLOR(128,128,128) }, |
| { "green", RGB_COLOR(0,128,0) }, |
| { "greenyellow", RGB_COLOR(173,255,47) }, |
| { "grey", RGB_COLOR(128,128,128) }, |
| { "honeydew", RGB_COLOR(240,255,240) }, |
| { "hotpink", RGB_COLOR(255,105,180) }, |
| { "indianred", RGB_COLOR(205,92,92) }, |
| { "indigo", RGB_COLOR(75,0,130) }, |
| { "ivory", RGB_COLOR(255,255,240) }, |
| { "khaki", RGB_COLOR(240,230,140) }, |
| { "lavender", RGB_COLOR(230,230,250) }, |
| { "lavenderblush", RGB_COLOR(255,240,245) }, |
| { "lawngreen", RGB_COLOR(124,252,0) }, |
| { "lemonchiffon", RGB_COLOR(255,250,205) }, |
| { "lightblue", RGB_COLOR(173,216,230) }, |
| { "lightcoral", RGB_COLOR(240,128,128) }, |
| { "lightcyan", RGB_COLOR(224,255,255) }, |
| { "lightgoldenrodyellow", RGB_COLOR(250,250,210) }, |
| { "lightgray", RGB_COLOR(211,211,211) }, |
| { "lightgreen", RGB_COLOR(144,238,144) }, |
| { "lightgrey", RGB_COLOR(211,211,211) }, |
| { "lightpink", RGB_COLOR(255,182,193) }, |
| { "lightsalmon", RGB_COLOR(255,160,122) }, |
| { "lightseagreen", RGB_COLOR(32,178,170) }, |
| { "lightskyblue", RGB_COLOR(135,206,250) }, |
| { "lightslategray", RGB_COLOR(119,136,153) }, |
| { "lightslategrey", RGB_COLOR(119,136,153) }, |
| { "lightsteelblue", RGB_COLOR(176,196,222) }, |
| { "lightyellow", RGB_COLOR(255,255,224) }, |
| { "lime", RGB_COLOR(0,255,0) }, |
| { "limegreen", RGB_COLOR(50,205,50) }, |
| { "linen", RGB_COLOR(250,240,230) }, |
| { "magenta", RGB_COLOR(255,0,255) }, |
| { "maroon", RGB_COLOR(128,0,0) }, |
| { "mediumaquamarine", RGB_COLOR(102,205,170) }, |
| { "mediumblue", RGB_COLOR(0,0,205) }, |
| { "mediumorchid", RGB_COLOR(186,85,211) }, |
| { "mediumpurple", RGB_COLOR(147,112,219) }, |
| { "mediumseagreen", RGB_COLOR(60,179,113) }, |
| { "mediumslateblue", RGB_COLOR(123,104,238) }, |
| { "mediumspringgreen", RGB_COLOR(0,250,154) }, |
| { "mediumturquoise", RGB_COLOR(72,209,204) }, |
| { "mediumvioletred", RGB_COLOR(199,21,133) }, |
| { "midnightblue", RGB_COLOR(25,25,112) }, |
| { "mintcream", RGB_COLOR(245,255,250) }, |
| { "mistyrose", RGB_COLOR(255,228,225) }, |
| { "moccasin", RGB_COLOR(255,228,181) }, |
| { "navajowhite", RGB_COLOR(255,222,173) }, |
| { "navy", RGB_COLOR(0,0,128) }, |
| { "oldlace", RGB_COLOR(253,245,230) }, |
| { "olive", RGB_COLOR(128,128,0) }, |
| { "olivedrab", RGB_COLOR(107,142,35) }, |
| { "orange", RGB_COLOR(255,165,0) }, |
| { "orangered", RGB_COLOR(255,69,0) }, |
| { "orchid", RGB_COLOR(218,112,214) }, |
| { "palegoldenrod", RGB_COLOR(238,232,170) }, |
| { "palegreen", RGB_COLOR(152,251,152) }, |
| { "paleturquoise", RGB_COLOR(175,238,238) }, |
| { "palevioletred", RGB_COLOR(219,112,147) }, |
| { "papayawhip", RGB_COLOR(255,239,213) }, |
| { "peachpuff", RGB_COLOR(255,218,185) }, |
| { "peru", RGB_COLOR(205,133,63) }, |
| { "pink", RGB_COLOR(255,192,203) }, |
| { "plum", RGB_COLOR(221,160,221) }, |
| { "powderblue", RGB_COLOR(176,224,230) }, |
| { "purple", RGB_COLOR(128,0,128) }, |
| { "red", RGB_COLOR(255,0,0) }, |
| { "rosybrown", RGB_COLOR(188,143,143) }, |
| { "royalblue", RGB_COLOR(65,105,225) }, |
| { "saddlebrown", RGB_COLOR(139,69,19) }, |
| { "salmon", RGB_COLOR(250,128,114) }, |
| { "sandybrown", RGB_COLOR(244,164,96) }, |
| { "seagreen", RGB_COLOR(46,139,87) }, |
| { "seashell", RGB_COLOR(255,245,238) }, |
| { "sienna", RGB_COLOR(160,82,45) }, |
| { "silver", RGB_COLOR(192,192,192) }, |
| { "skyblue", RGB_COLOR(135,206,235) }, |
| { "slateblue", RGB_COLOR(106,90,205) }, |
| { "slategray", RGB_COLOR(112,128,144) }, |
| { "slategrey", RGB_COLOR(112,128,144) }, |
| { "snow", RGB_COLOR(255,250,250) }, |
| { "springgreen", RGB_COLOR(0,255,127) }, |
| { "steelblue", RGB_COLOR(70,130,180) }, |
| { "tan", RGB_COLOR(210,180,140) }, |
| { "teal", RGB_COLOR(0,128,128) }, |
| { "thistle", RGB_COLOR(216,191,216) }, |
| { "tomato", RGB_COLOR(255,99,71) }, |
| { "turquoise", RGB_COLOR(64,224,208) }, |
| { "violet", RGB_COLOR(238,130,238) }, |
| { "wheat", RGB_COLOR(245,222,179) }, |
| { "white", RGB_COLOR(255,255,255) }, |
| { "whitesmoke", RGB_COLOR(245,245,245) }, |
| { "yellow", RGB_COLOR(255,255,0) }, |
| { "yellowgreen", RGB_COLOR(154,205,50) }, |
| { 0, { 0, 0, 0, 0 } } /* Terminator. */ |
| }; |
| |
| /* Get the color named NAME. If the color was found, returns 1 and |
| stores the color into *COLOR. If the color was not found, returns 0 and |
| does not modify *COLOR. */ |
| int |
| grub_video_get_named_color (const char *name, |
| grub_video_rgba_color_t *color) |
| { |
| int i; |
| for (i = 0; named_colors[i].name; i++) |
| { |
| if (grub_strcmp (named_colors[i].name, name) == 0) |
| { |
| *color = named_colors[i].color; |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| static int |
| parse_hex_color_component (const char *s, unsigned start, unsigned end) |
| { |
| unsigned len; |
| char buf[3]; |
| |
| len = end - start; |
| /* Check the limits so we don't overrun the buffer. */ |
| if (len < 1 || len > 2) |
| return 0; |
| |
| if (len == 1) |
| { |
| buf[0] = s[start]; /* Get the first and only hex digit. */ |
| buf[1] = buf[0]; /* Duplicate the hex digit. */ |
| } |
| else if (len == 2) |
| { |
| buf[0] = s[start]; |
| buf[1] = s[start + 1]; |
| } |
| |
| buf[2] = '\0'; |
| |
| return grub_strtoul (buf, 0, 16); |
| } |
| |
| /* Parse a color string of the form "r, g, b", "#RGB", "#RGBA", |
| "#RRGGBB", or "#RRGGBBAA". */ |
| grub_err_t |
| grub_video_parse_color (const char *s, grub_video_rgba_color_t *color) |
| { |
| grub_video_rgba_color_t c; |
| const char *s0; |
| |
| /* Skip whitespace. */ |
| while (*s && grub_isspace (*s)) |
| s++; |
| |
| s0 = s; |
| |
| if (*s == '#') |
| { |
| /* HTML-style. Number if hex digits: |
| [6] #RRGGBB [3] #RGB |
| [8] #RRGGBBAA [4] #RGBA */ |
| |
| s++; /* Skip the '#'. */ |
| /* Count the hexits to determine the format. */ |
| int hexits = 0; |
| const char *end = s; |
| while (grub_isxdigit (*end)) |
| { |
| end++; |
| hexits++; |
| } |
| |
| /* Parse the color components based on the format. */ |
| if (hexits == 3 || hexits == 4) |
| { |
| c.red = parse_hex_color_component (s, 0, 1); |
| c.green = parse_hex_color_component (s, 1, 2); |
| c.blue = parse_hex_color_component (s, 2, 3); |
| if (hexits == 4) |
| c.alpha = parse_hex_color_component (s, 3, 4); |
| else |
| c.alpha = 255; |
| } |
| else if (hexits == 6 || hexits == 8) |
| { |
| c.red = parse_hex_color_component (s, 0, 2); |
| c.green = parse_hex_color_component (s, 2, 4); |
| c.blue = parse_hex_color_component (s, 4, 6); |
| if (hexits == 8) |
| c.alpha = parse_hex_color_component (s, 6, 8); |
| else |
| c.alpha = 255; |
| } |
| else |
| return grub_error (GRUB_ERR_BAD_ARGUMENT, |
| N_("invalid color specification `%s'"), s0); |
| } |
| else if (grub_isdigit (*s)) |
| { |
| /* Comma separated decimal values. */ |
| c.red = grub_strtoul (s, 0, 0); |
| s = grub_strchr (s, ','); |
| if (!s) |
| return grub_error (GRUB_ERR_BAD_ARGUMENT, |
| N_("invalid color specification `%s'"), s0); |
| s++; |
| c.green = grub_strtoul (s, 0, 0); |
| s = grub_strchr (s, ','); |
| if (!s) |
| return grub_error (GRUB_ERR_BAD_ARGUMENT, |
| N_("invalid color specification `%s'"), s0); |
| s++; |
| c.blue = grub_strtoul (s, 0, 0); |
| s = grub_strchr (s, ','); |
| if (!s) |
| c.alpha = 255; |
| else |
| { |
| s++; |
| c.alpha = grub_strtoul (s, 0, 0); |
| } |
| } |
| else |
| { |
| if (! grub_video_get_named_color (s, &c)) |
| return grub_error (GRUB_ERR_BAD_ARGUMENT, |
| N_("invalid color specification `%s'"), s0); |
| } |
| |
| if (grub_errno == GRUB_ERR_NONE) |
| *color = c; |
| return grub_errno; |
| } |
