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/* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */
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* This file is part of The Croco Library
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of version 2.1 of the GNU Lesser General Public
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* License as published by the Free Software Foundation.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* Author: Dodji Seketeli
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* See COPYRIGHTS file for copyrights information.
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#include "cr-parser.h"
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static CRRgb gv_standard_colors[] = {
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{"aliceblue", 240, 248, 255, 0,},
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{"antiquewhite", 250, 235, 215, 0},
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{"aqua", 0, 255, 255, 0},
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{"aquamarine", 127, 255, 212, 0},
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{"azure", 240, 255, 255, 0},
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{"beige", 245, 245, 220, 0},
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{"bisque", 255, 228, 196, 0},
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{"black", 0, 0, 0, 0},
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{"blanchedalmond", 255, 235, 205, 0},
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{"blue", 0, 0, 255, 0},
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{"blueviolet", 138, 43, 226, 0},
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{"brown", 165, 42, 42, 0},
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{"burlywood", 222, 184, 135, 0},
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{"cadetblue", 95, 158, 160, 0},
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{"chartreuse", 127, 255, 0, 0},
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{"chocolate", 210, 105, 30, 0},
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{"coral", 255, 127, 80, 0},
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{"cornflowerblue", 100, 149, 237, 0},
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{"cornsilk", 255, 248, 220, 0},
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{"crimson", 220, 20, 60, 0},
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{"cyan", 0, 255, 255, 0},
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{"darkblue", 0, 0, 139, 0},
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{"darkcyan", 0, 139, 139, 0},
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{"darkgoldenrod", 184, 134, 11, 0},
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{"darkgray", 169, 169, 169, 0},
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{"darkgreen", 0, 100, 0, 0},
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{"darkgrey", 169, 169, 169, 0},
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{"darkkhaki", 189, 183, 107, 0},
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{"darkmagenta", 139, 0, 139, 0},
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{"darkolivegreen", 85, 107, 47, 0},
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{"darkorange", 255, 140, 0, 0},
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{"darkorchid", 153, 50, 204, 0},
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{"darkred", 139, 0, 0, 0},
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{"darksalmon", 233, 150, 122, 0},
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{"darkseagreen", 143, 188, 143, 0},
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{"darkslateblue", 72, 61, 139, 0},
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{"darkslategray", 47, 79, 79, 0},
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{"darkslategrey", 47, 79, 79, 0},
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{"darkturquoise", 0, 206, 209, 0},
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{"darkviolet", 148, 0, 211, 0},
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{"deeppink", 255, 20, 147, 0},
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{"deepskyblue", 0, 191, 255, 0},
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{"dimgray", 105, 105, 105, 0},
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{"dimgrey", 105, 105, 105, 0},
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{"dodgerblue", 30, 144, 255, 0},
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{"firebrick", 178, 34, 34, 0},
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{"floralwhite", 255, 250, 240, 0},
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{"forestgreen", 34, 139, 34, 0},
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{"fuchsia", 255, 0, 255, 0},
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{"gainsboro", 220, 220, 220, 0},
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{"ghostwhite", 248, 248, 255, 0},
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{"gold", 255, 215, 0, 0},
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{"goldenrod", 218, 165, 32, 0},
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{"gray", 128, 128, 128, 0},
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{"grey", 128, 128, 128, 0},
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{"green", 0, 128, 0, 0},
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{"greenyellow", 173, 255, 47, 0},
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{"honeydew", 240, 255, 240, 0},
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{"hotpink", 255, 105, 180, 0},
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{"indianred", 205, 92, 92, 0},
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{"indigo", 75, 0, 130, 0},
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{"ivory", 255, 255, 240, 0},
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{"khaki", 240, 230, 140, 0},
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{"lavender", 230, 230, 250, 0},
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{"lavenderblush", 255, 240, 245, 0},
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{"lawngreen", 124, 252, 0, 0},
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{"lemonchiffon", 255, 250, 205, 0},
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{"lightblue", 173, 216, 230, 0},
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{"lightcoral", 240, 128, 128, 0},
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{"lightcyan", 224, 255, 255, 0},
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{"lightgoldenrodyellow", 250, 250, 210, 0},
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{"lightgray", 211, 211, 211, 0},
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{"lightgreen", 144, 238, 144, 0},
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{"lightgrey", 211, 211, 211, 0},
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{"lightpink", 255, 182, 193, 0},
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{"lightsalmon", 255, 160, 122, 0},
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{"lightseagreen", 32, 178, 170, 0},
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{"lightskyblue", 135, 206, 250, 0},
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{"lightslategray", 119, 136, 153, 0},
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{"lightslategrey", 119, 136, 153, 0},
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{"lightsteelblue", 176, 196, 222, 0},
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{"lightyellow", 255, 255, 224, 0},
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{"lime", 0, 255, 0, 0},
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{"limegreen", 50, 205, 50, 0},
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{"linen", 250, 240, 230, 0},
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{"magenta", 255, 0, 255, 0},
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{"maroon", 128, 0, 0, 0},
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{"mediumaquamarine", 102, 205, 170, 0},
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{"mediumblue", 0, 0, 205, 0},
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{"mediumorchid", 186, 85, 211, 0},
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{"mediumpurple", 147, 112, 219, 0},
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{"mediumseagreen", 60, 179, 113, 0},
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{"mediumslateblue", 123, 104, 238, 0},
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{"mediumspringgreen", 0, 250, 154, 0},
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{"mediumturquoise", 72, 209, 204, 0},
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{"mediumvioletred", 199, 21, 133, 0},
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{"midnightblue", 25, 25, 112, 0},
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{"mintcream", 245, 255, 250, 0},
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{"mistyrose", 255, 228, 225, 0},
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{"moccasin", 255, 228, 181, 0},
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{"navajowhite", 255, 222, 173, 0},
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{"navy", 0, 0, 128, 0},
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{"oldlace", 253, 245, 230, 0},
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{"olive", 128, 128, 0, 0},
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{"olivedrab", 107, 142, 35, 0},
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{"orange", 255, 165, 0, 0},
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{"orangered", 255, 69, 0, 0},
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{"orchid", 218, 112, 214, 0},
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{"palegoldenrod", 238, 232, 170, 0},
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{"palegreen", 152, 251, 152, 0},
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{"paleturquoise", 175, 238, 238, 0},
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{"palevioletred", 219, 112, 147, 0},
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{"papayawhip", 255, 239, 213, 0},
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{"peachpuff", 255, 218, 185, 0},
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{"peru", 205, 133, 63, 0},
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{"pink", 255, 192, 203, 0},
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{"plum", 221, 160, 221, 0},
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{"powderblue", 176, 224, 230, 0},
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{"purple", 128, 0, 128, 0},
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{"red", 255, 0, 0, 0},
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{"rosybrown", 188, 143, 143, 0},
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{"royalblue", 65, 105, 225, 0},
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{"saddlebrown", 139, 69, 19, 0},
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{"salmon", 250, 128, 114, 0},
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{"sandybrown", 244, 164, 96, 0},
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{"seagreen", 46, 139, 87, 0},
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{"seashell", 255, 245, 238, 0},
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{"sienna", 160, 82, 45, 0},
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{"silver", 192, 192, 192, 0},
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{"skyblue", 135, 206, 235, 0},
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{"slateblue", 106, 90, 205, 0},
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{"slategray", 112, 128, 144, 0},
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{"slategrey", 112, 128, 144, 0},
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{"snow", 255, 250, 250, 0},
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{"springgreen", 0, 255, 127, 0},
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{"steelblue", 70, 130, 180, 0},
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{"tan", 210, 180, 140, 0},
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{"teal", 0, 128, 128, 0},
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{"thistle", 216, 191, 216, 0},
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{"tomato", 255, 99, 71, 0},
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{"turquoise", 64, 224, 208, 0},
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{"violet", 238, 130, 238, 0},
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{"wheat", 245, 222, 179, 0},
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{"white", 255, 255, 255, 0},
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{"whitesmoke", 245, 245, 245, 0,},
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{"yellow", 255, 255, 0, 0,},
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{"yellowgreen", 154, 205, 50, 0,},
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{"transparent", 255, 255, 255, 0, 0, 1}
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*The default constructor of #CRRgb.
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*Returns the newly built instance of #CRRgb
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CRRgb *result = NULL;
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result = g_try_malloc (sizeof (CRRgb));
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if (result == NULL) {
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cr_utils_trace_info ("No more memory");
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memset (result, 0, sizeof (CRRgb));
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* cr_rgb_new_with_vals:
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*@a_red: the red component of the color.
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*@a_green: the green component of the color.
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*@a_blue: the blue component of the color.
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*@a_unit: the unit of the rgb values.
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*(either percentage or integer values)
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*A constructor of #CRRgb.
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*Returns the newly built instance of #CRRgb.
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cr_rgb_new_with_vals (gulong a_red, gulong a_green,
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gulong a_blue, gboolean a_is_percentage)
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CRRgb *result = NULL;
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result = cr_rgb_new ();
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g_return_val_if_fail (result, NULL);
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result->green = a_green;
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result->blue = a_blue;
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result->is_percentage = a_is_percentage;
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*@a_this: the instance of #CRRgb to serialize.
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*Serializes the rgb into a zero terminated string.
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*Returns the zero terminated string containing the serialized
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*rgb. MUST BE FREED by the caller using g_free().
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cr_rgb_to_string (CRRgb * a_this)
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guchar *result = NULL;
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GString *str_buf = NULL;
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str_buf = g_string_new (NULL);
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g_return_val_if_fail (str_buf, NULL);
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if (a_this->is_percentage == 1) {
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g_string_append_printf (str_buf, "%ld", a_this->red);
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g_string_append (str_buf, "%, ");
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g_string_append_printf (str_buf, "%ld", a_this->green);
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g_string_append (str_buf, "%, ");
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g_string_append_printf (str_buf, "%ld", a_this->blue);
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g_string_append_c (str_buf, '%');
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g_string_append_printf (str_buf, "%ld", a_this->red);
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g_string_append (str_buf, ", ");
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g_string_append_printf (str_buf, "%ld", a_this->green);
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g_string_append (str_buf, ", ");
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g_string_append_printf (str_buf, "%ld", a_this->blue);
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result = str_buf->str;
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g_string_free (str_buf, FALSE);
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*@a_this: the "this pointer" of
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*the current instance of #CRRgb.
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*@a_fp: the destination file pointer.
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*Dumps the current instance of #CRRgb
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cr_rgb_dump (CRRgb * a_this, FILE * a_fp)
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g_return_if_fail (a_this);
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str = cr_rgb_to_string (a_this);
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fprintf (a_fp, "%s", str);
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* cr_rgb_compute_from_percentage:
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*@a_this: the current instance of #CRRgb
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*If the rgb values are expressed in percentage,
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*compute their real value.
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*Returns CR_OK upon successful completion, an error code otherwise.
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cr_rgb_compute_from_percentage (CRRgb * a_this)
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g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR);
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if (a_this->is_percentage == FALSE)
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a_this->red = a_this->red * 255 / 100;
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a_this->green = a_this->green * 255 / 100;
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a_this->blue = a_this->blue * 255 / 100;
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a_this->is_percentage = FALSE;
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*@a_this: the current instance of #CRRgb.
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*@a_red: the red value.
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*@a_green: the green value.
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*@a_blue: the blue value.
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*Sets rgb values to the RGB.
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*Returns CR_OK upon successful completion, an error code
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cr_rgb_set (CRRgb * a_this, gulong a_red,
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gulong a_green, gulong a_blue, gboolean a_is_percentage)
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g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR);
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if (a_is_percentage != FALSE) {
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g_return_val_if_fail (a_red <= 100
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&& a_blue <= 100, CR_BAD_PARAM_ERROR);
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a_this->is_percentage = a_is_percentage;
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a_this->green = a_green;
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a_this->blue = a_blue;
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a_this->inherit = FALSE ;
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a_this->is_transparent = FALSE ;
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* cr_rgb_set_to_inherit:
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*@a_this: the current instance of #CRRgb
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*sets the value of the rgb to inherit.
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*Look at the css spec from chapter 6.1 to 6.2 to understand
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*the meaning of "inherit".
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* Returns CR_OK upon succesful completion, an error code otherwise.
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cr_rgb_set_to_inherit (CRRgb *a_this, gboolean a_inherit)
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g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ;
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a_this->inherit = a_inherit ;
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* cr_rgb_is_set_to_inherit:
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* @a_this: the current instance of #CRRgb.
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* Returns TRUE if the rgb is set to the value "inherit", FALSE otherwise.
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cr_rgb_is_set_to_inherit (CRRgb *a_this)
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g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ;
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return a_this->inherit ;
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* cr_rgb_is_set_to_transparent:
400
*@a_this: the current instance of
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*Tests if the the rgb is set to the
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*value "transparent" or not.
406
*Returns TRUE if the rgb has been set to
407
*transparent, FALSE otherwise.
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cr_rgb_is_set_to_transparent (CRRgb *a_this)
412
g_return_val_if_fail (a_this, FALSE) ;
413
return a_this->is_transparent ;
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* cr_rgb_set_to_transparent:
419
*@a_this: the current instance of #CRRgb
420
*@a_is_transparent: set to transparent or not.
422
*Sets the rgb to the "transparent" value (or not)
423
*Returns CR_OK upon successfull completion, an error code otherwise.
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cr_rgb_set_to_transparent (CRRgb *a_this,
427
gboolean a_is_transparent)
429
g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ;
430
a_this->is_transparent = a_is_transparent ;
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* cr_rgb_set_from_rgb:
436
*@a_this: the current instance of #CRRgb.
437
*@a_rgb: the rgb to "copy"
439
*Sets the rgb from an other one.
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*Returns CR_OK upon successful completion, an error code otherwise.
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cr_rgb_set_from_rgb (CRRgb * a_this, CRRgb * a_rgb)
446
g_return_val_if_fail (a_this && a_rgb, CR_BAD_PARAM_ERROR);
448
cr_rgb_copy (a_this, a_rgb) ;
454
* cr_rgb_set_from_name:
455
* @a_this: the current instance of #CRRgb
456
* @a_color_name: the color name
458
* Returns CR_OK upon successful completion, an error code otherwise.
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cr_rgb_set_from_name (CRRgb * a_this, const guchar * a_color_name)
464
enum CRStatus status = CR_OK;
466
g_return_val_if_fail (a_this && a_color_name, CR_BAD_PARAM_ERROR);
468
for (i = 0; i < sizeof (gv_standard_colors); i++) {
469
if (!strcmp (a_color_name, gv_standard_colors[i].name)) {
470
cr_rgb_set_from_rgb (a_this, &gv_standard_colors[i]);
475
if (i < sizeof (gv_standard_colors))
478
status = CR_UNKNOWN_TYPE_ERROR;
484
* cr_rgb_set_from_hex_str:
485
* @a_this: the current instance of #CRRgb
486
* @a_hex: the hexadecimal value to set.
488
* Returns CR_OK upon successful completion.
491
cr_rgb_set_from_hex_str (CRRgb * a_this, const guchar * a_hex)
493
enum CRStatus status = CR_OK;
495
guchar colors[3] = { 0 };
497
g_return_val_if_fail (a_this && a_hex, CR_BAD_PARAM_ERROR);
499
if (strlen (a_hex) == 3) {
500
for (i = 0; i < 3; i++) {
501
if (a_hex[i] >= '0' && a_hex[i] <= '9') {
502
colors[i] = a_hex[i] - '0';
503
colors[i] = (colors[i] << 4) | colors[i];
504
} else if (a_hex[i] >= 'a' && a_hex[i] <= 'z') {
505
colors[i] = 10 + a_hex[i] - 'a';
506
colors[i] = (colors[i] << 4) | colors[i];
507
} else if (a_hex[i] >= 'A' && a_hex[i] <= 'Z') {
508
colors[i] = 10 + a_hex[i] - 'A';
509
colors[i] = (colors[i] << 4) | colors[i];
511
status = CR_UNKNOWN_TYPE_ERROR;
514
} else if (strlen (a_hex) == 6) {
515
for (i = 0; i < 6; i++) {
516
if (a_hex[i] >= '0' && a_hex[i] <= '9') {
518
colors[i / 2] |= a_hex[i] - '0';
520
} else if (a_hex[i] >= 'a' && a_hex[i] <= 'z') {
522
colors[i / 2] |= 10 + a_hex[i] - 'a';
524
} else if (a_hex[i] >= 'A' && a_hex[i] <= 'Z') {
526
colors[i / 2] |= 10 + a_hex[i] - 'A';
529
status = CR_UNKNOWN_TYPE_ERROR;
533
status = CR_UNKNOWN_TYPE_ERROR;
536
if (status == CR_OK) {
537
status = cr_rgb_set (a_this, colors[0],
538
colors[1], colors[2], FALSE);
539
cr_rgb_set_to_transparent (a_this, FALSE) ;
545
* cr_rgb_set_from_term:
546
*@a_this: the instance of #CRRgb to set
547
*@a_value: the terminal from which to set
549
*Set the rgb from a terminal symbol
551
* Returns CR_OK upon successful completion, an error code otherwise.
554
cr_rgb_set_from_term (CRRgb *a_this, const struct _CRTerm *a_value)
556
enum CRStatus status = CR_OK ;
557
g_return_val_if_fail (a_this && a_value,
558
CR_BAD_PARAM_ERROR) ;
560
switch(a_value->type) {
562
if (a_value->content.rgb) {
564
(a_this, a_value->content.rgb) ;
568
if (a_value->content.str
569
&& a_value->content.str->stryng
570
&& a_value->content.str->stryng->str) {
571
if (!strncmp ("inherit",
572
a_value->content.str->stryng->str,
573
sizeof ("inherit")-1)) {
574
a_this->inherit = TRUE;
575
a_this->is_transparent = FALSE ;
577
status = cr_rgb_set_from_name
579
a_value->content.str->stryng->str) ;
583
("a_value has NULL string value") ;
587
if (a_value->content.str
588
&& a_value->content.str->stryng
589
&& a_value->content.str->stryng->str) {
590
status = cr_rgb_set_from_hex_str
592
a_value->content.str->stryng->str) ;
595
("a_value has NULL string value") ;
599
status = CR_UNKNOWN_TYPE_ERROR ;
605
cr_rgb_copy (CRRgb *a_dest, CRRgb*a_src)
607
g_return_val_if_fail (a_dest && a_src,
608
CR_BAD_PARAM_ERROR) ;
610
memcpy (a_dest, a_src, sizeof (CRRgb)) ;
616
*@a_this: the "this pointer" of the
617
*current instance of #CRRgb.
619
*Destructor of #CRRgb.
622
cr_rgb_destroy (CRRgb * a_this)
624
g_return_if_fail (a_this);
629
* cr_rgb_parse_from_buf:
630
*@a_str: a string that contains a color description
631
*@a_enc: the encoding of a_str
633
*Parses a text buffer that contains a rgb color
635
*Returns the parsed color, or NULL in case of error
638
cr_rgb_parse_from_buf (const guchar *a_str,
639
enum CREncoding a_enc)
641
enum CRStatus status = CR_OK ;
642
CRTerm *value = NULL ;
643
CRParser * parser = NULL;
644
CRRgb *result = NULL;
646
g_return_val_if_fail (a_str, NULL);
648
parser = cr_parser_new_from_buf ((guchar*)a_str, strlen (a_str),
651
g_return_val_if_fail (parser, NULL);
653
status = cr_parser_try_to_skip_spaces_and_comments (parser) ;
657
status = cr_parser_parse_term (parser, &value);
661
result = cr_rgb_new ();
665
status = cr_rgb_set_from_term (result, value);
669
cr_parser_destroy (parser);
673
cr_term_destroy(value);
added
removed
gnulib-local/lib/libcroco/cr-rgb.c
