| /* -*- Mode: C; indent-tabs-mode:nil; c-basic-offset: 8-*- */ |
| |
| /* libcroco - Library for parsing and applying CSS |
| * Copyright (C) 2006-2019 Free Software Foundation, Inc. |
| * |
| * This file is not part of the GNU gettext program, but is used with |
| * GNU gettext. |
| * |
| * The original copyright notice is as follows: |
| */ |
| |
| /* |
| * This file is part of The Croco Library |
| * |
| * Copyright (C) 2003-2004 Dodji Seketeli. All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of version 2.1 of the GNU Lesser General Public |
| * License as published by the Free Software Foundation. |
| * |
| * This program 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 Lesser General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
| * USA |
| * |
| * Author: Dodji Seketeli |
| */ |
| |
| #include <config.h> |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <stdlib.h> |
| #include "cr-rgb.h" |
| #include "cr-term.h" |
| #include "cr-parser.h" |
| |
| static const CRRgb gv_standard_colors[] = { |
| {(const guchar*)"aliceblue", 240, 248, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"antiquewhite", 250, 235, 215, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"aqua", 0, 255, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"aquamarine", 127, 255, 212, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"azure", 240, 255, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"beige", 245, 245, 220, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"bisque", 255, 228, 196, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"black", 0, 0, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"blanchedalmond", 255, 235, 205, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"blue", 0, 0, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"blueviolet", 138, 43, 226, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"brown", 165, 42, 42, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"burlywood", 222, 184, 135, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"cadetblue", 95, 158, 160, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"chartreuse", 127, 255, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"chocolate", 210, 105, 30, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"coral", 255, 127, 80, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"cornflowerblue", 100, 149, 237, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"cornsilk", 255, 248, 220, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"crimson", 220, 20, 60, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"cyan", 0, 255, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkblue", 0, 0, 139, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkcyan", 0, 139, 139, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkgoldenrod", 184, 134, 11, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkgray", 169, 169, 169, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkgreen", 0, 100, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkgrey", 169, 169, 169, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkkhaki", 189, 183, 107, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkmagenta", 139, 0, 139, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkolivegreen", 85, 107, 47, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkorange", 255, 140, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkorchid", 153, 50, 204, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkred", 139, 0, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darksalmon", 233, 150, 122, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkseagreen", 143, 188, 143, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkslateblue", 72, 61, 139, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkslategray", 47, 79, 79, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkslategrey", 47, 79, 79, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkturquoise", 0, 206, 209, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"darkviolet", 148, 0, 211, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"deeppink", 255, 20, 147, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"deepskyblue", 0, 191, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"dimgray", 105, 105, 105, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"dimgrey", 105, 105, 105, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"dodgerblue", 30, 144, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"firebrick", 178, 34, 34, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"floralwhite", 255, 250, 240, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"forestgreen", 34, 139, 34, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"fuchsia", 255, 0, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"gainsboro", 220, 220, 220, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"ghostwhite", 248, 248, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"gold", 255, 215, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"goldenrod", 218, 165, 32, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"gray", 128, 128, 128, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"green", 0, 128, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"greenyellow", 173, 255, 47, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"grey", 128, 128, 128, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"honeydew", 240, 255, 240, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"hotpink", 255, 105, 180, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"indianred", 205, 92, 92, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"indigo", 75, 0, 130, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"ivory", 255, 255, 240, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"khaki", 240, 230, 140, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lavender", 230, 230, 250, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lavenderblush", 255, 240, 245, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lawngreen", 124, 252, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lemonchiffon", 255, 250, 205, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightblue", 173, 216, 230, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightcoral", 240, 128, 128, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightcyan", 224, 255, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightgoldenrodyellow", 250, 250, 210, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightgray", 211, 211, 211, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightgreen", 144, 238, 144, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightgrey", 211, 211, 211, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightpink", 255, 182, 193, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightsalmon", 255, 160, 122, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightseagreen", 32, 178, 170, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightskyblue", 135, 206, 250, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightslategray", 119, 136, 153, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightslategrey", 119, 136, 153, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightsteelblue", 176, 196, 222, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lightyellow", 255, 255, 224, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"lime", 0, 255, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"limegreen", 50, 205, 50, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"linen", 250, 240, 230, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"magenta", 255, 0, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"maroon", 128, 0, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumaquamarine", 102, 205, 170, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumblue", 0, 0, 205, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumorchid", 186, 85, 211, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumpurple", 147, 112, 219, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumseagreen", 60, 179, 113, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumslateblue", 123, 104, 238, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumspringgreen", 0, 250, 154, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumturquoise", 72, 209, 204, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mediumvioletred", 199, 21, 133, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"midnightblue", 25, 25, 112, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mintcream", 245, 255, 250, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"mistyrose", 255, 228, 225, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"moccasin", 255, 228, 181, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"navajowhite", 255, 222, 173, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"navy", 0, 0, 128, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"oldlace", 253, 245, 230, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"olive", 128, 128, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"olivedrab", 107, 142, 35, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"orange", 255, 165, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"orangered", 255, 69, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"orchid", 218, 112, 214, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"palegoldenrod", 238, 232, 170, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"palegreen", 152, 251, 152, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"paleturquoise", 175, 238, 238, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"palevioletred", 219, 112, 147, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"papayawhip", 255, 239, 213, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"peachpuff", 255, 218, 185, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"peru", 205, 133, 63, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"pink", 255, 192, 203, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"plum", 221, 160, 221, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"powderblue", 176, 224, 230, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"purple", 128, 0, 128, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"red", 255, 0, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"rosybrown", 188, 143, 143, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"royalblue", 65, 105, 225, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"saddlebrown", 139, 69, 19, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"salmon", 250, 128, 114, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"sandybrown", 244, 164, 96, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"seagreen", 46, 139, 87, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"seashell", 255, 245, 238, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"sienna", 160, 82, 45, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"silver", 192, 192, 192, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"skyblue", 135, 206, 235, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"slateblue", 106, 90, 205, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"slategray", 112, 128, 144, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"slategrey", 112, 128, 144, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"snow", 255, 250, 250, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"springgreen", 0, 255, 127, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"steelblue", 70, 130, 180, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"tan", 210, 180, 140, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"teal", 0, 128, 128, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"thistle", 216, 191, 216, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"tomato", 255, 99, 71, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"transparent", 255, 255, 255, FALSE, FALSE, TRUE, {0,0,0}}, |
| {(const guchar*)"turquoise", 64, 224, 208, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"violet", 238, 130, 238, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"wheat", 245, 222, 179, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"white", 255, 255, 255, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"whitesmoke", 245, 245, 245, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"yellow", 255, 255, 0, FALSE, FALSE, FALSE, {0,0,0}}, |
| {(const guchar*)"yellowgreen", 154, 205, 50, FALSE, FALSE, FALSE, {0,0,0}} |
| }; |
| |
| /** |
| * cr_rgb_new: |
| * |
| *The default constructor of #CRRgb. |
| * |
| *Returns the newly built instance of #CRRgb |
| */ |
| CRRgb * |
| cr_rgb_new (void) |
| { |
| CRRgb *result = NULL; |
| |
| result = g_try_malloc (sizeof (CRRgb)); |
| |
| if (result == NULL) { |
| cr_utils_trace_info ("No more memory"); |
| return NULL; |
| } |
| |
| memset (result, 0, sizeof (CRRgb)); |
| |
| return result; |
| } |
| |
| /** |
| * cr_rgb_new_with_vals: |
| *@a_red: the red component of the color. |
| *@a_green: the green component of the color. |
| *@a_blue: the blue component of the color. |
| *@a_unit: the unit of the rgb values. |
| *(either percentage or integer values) |
| * |
| *A constructor of #CRRgb. |
| * |
| *Returns the newly built instance of #CRRgb. |
| */ |
| CRRgb * |
| cr_rgb_new_with_vals (gulong a_red, gulong a_green, |
| gulong a_blue, gboolean a_is_percentage) |
| { |
| CRRgb *result = NULL; |
| |
| result = cr_rgb_new (); |
| |
| g_return_val_if_fail (result, NULL); |
| |
| result->red = a_red; |
| result->green = a_green; |
| result->blue = a_blue; |
| result->is_percentage = a_is_percentage; |
| |
| return result; |
| } |
| |
| /** |
| * cr_rgb_to_string: |
| *@a_this: the instance of #CRRgb to serialize. |
| * |
| *Serializes the rgb into a zero terminated string. |
| * |
| *Returns the zero terminated string containing the serialized |
| *rgb. MUST BE FREED by the caller using g_free(). |
| */ |
| guchar * |
| cr_rgb_to_string (CRRgb const * a_this) |
| { |
| guchar *result = NULL; |
| GString *str_buf = NULL; |
| |
| str_buf = g_string_new (NULL); |
| g_return_val_if_fail (str_buf, NULL); |
| |
| if (a_this->is_percentage == 1) { |
| g_string_append_printf (str_buf, "%ld", a_this->red); |
| |
| g_string_append (str_buf, "%, "); |
| |
| g_string_append_printf (str_buf, "%ld", a_this->green); |
| g_string_append (str_buf, "%, "); |
| |
| g_string_append_printf (str_buf, "%ld", a_this->blue); |
| g_string_append_c (str_buf, '%'); |
| } else { |
| g_string_append_printf (str_buf, "%ld", a_this->red); |
| g_string_append (str_buf, ", "); |
| |
| g_string_append_printf (str_buf, "%ld", a_this->green); |
| g_string_append (str_buf, ", "); |
| |
| g_string_append_printf (str_buf, "%ld", a_this->blue); |
| } |
| |
| if (str_buf) { |
| result = (guchar *) str_buf->str; |
| g_string_free (str_buf, FALSE); |
| } |
| |
| return result; |
| } |
| |
| /** |
| * cr_rgb_dump: |
| *@a_this: the "this pointer" of |
| *the current instance of #CRRgb. |
| *@a_fp: the destination file pointer. |
| * |
| *Dumps the current instance of #CRRgb |
| *to a file. |
| */ |
| void |
| cr_rgb_dump (CRRgb const * a_this, FILE * a_fp) |
| { |
| guchar *str = NULL; |
| |
| g_return_if_fail (a_this); |
| |
| str = cr_rgb_to_string (a_this); |
| |
| if (str) { |
| fprintf (a_fp, "%s", str); |
| g_free (str); |
| str = NULL; |
| } |
| } |
| |
| /** |
| * cr_rgb_compute_from_percentage: |
| *@a_this: the current instance of #CRRgb |
| * |
| *If the rgb values are expressed in percentage, |
| *compute their real value. |
| * |
| *Returns CR_OK upon successful completion, an error code otherwise. |
| */ |
| enum CRStatus |
| cr_rgb_compute_from_percentage (CRRgb * a_this) |
| { |
| g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); |
| |
| if (a_this->is_percentage == FALSE) |
| return CR_OK; |
| a_this->red = a_this->red * 255 / 100; |
| a_this->green = a_this->green * 255 / 100; |
| a_this->blue = a_this->blue * 255 / 100; |
| a_this->is_percentage = FALSE; |
| return CR_OK; |
| } |
| |
| /** |
| * cr_rgb_set: |
| *@a_this: the current instance of #CRRgb. |
| *@a_red: the red value. |
| *@a_green: the green value. |
| *@a_blue: the blue value. |
| * |
| *Sets rgb values to the RGB. |
| * |
| *Returns CR_OK upon successful completion, an error code |
| *otherwise. |
| */ |
| enum CRStatus |
| cr_rgb_set (CRRgb * a_this, gulong a_red, |
| gulong a_green, gulong a_blue, gboolean a_is_percentage) |
| { |
| g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR); |
| if (a_is_percentage != FALSE) { |
| g_return_val_if_fail (a_red <= 100 |
| && a_green <= 100 |
| && a_blue <= 100, CR_BAD_PARAM_ERROR); |
| } |
| |
| a_this->is_percentage = a_is_percentage; |
| |
| a_this->red = a_red; |
| a_this->green = a_green; |
| a_this->blue = a_blue; |
| a_this->inherit = FALSE ; |
| a_this->is_transparent = FALSE ; |
| return CR_OK; |
| } |
| |
| /** |
| * cr_rgb_set_to_inherit: |
| *@a_this: the current instance of #CRRgb |
| * |
| *sets the value of the rgb to inherit. |
| *Look at the css spec from chapter 6.1 to 6.2 to understand |
| *the meaning of "inherit". |
| * |
| * Returns CR_OK upon succesful completion, an error code otherwise. |
| */ |
| enum CRStatus |
| cr_rgb_set_to_inherit (CRRgb *a_this, gboolean a_inherit) |
| { |
| g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ; |
| |
| a_this->inherit = a_inherit ; |
| |
| return CR_OK ; |
| } |
| |
| /** |
| * cr_rgb_is_set_to_inherit: |
| * |
| * @a_this: the current instance of #CRRgb. |
| * |
| * Returns TRUE if the rgb is set to the value "inherit", FALSE otherwise. |
| */ |
| gboolean |
| cr_rgb_is_set_to_inherit (CRRgb const *a_this) |
| { |
| g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ; |
| |
| return a_this->inherit ; |
| } |
| |
| /** |
| * cr_rgb_is_set_to_transparent: |
| *@a_this: the current instance of |
| *#CRRgb |
| * |
| *Tests if the the rgb is set to the |
| *value "transparent" or not. |
| * |
| *Returns TRUE if the rgb has been set to |
| *transparent, FALSE otherwise. |
| */ |
| gboolean |
| cr_rgb_is_set_to_transparent (CRRgb const *a_this) |
| { |
| g_return_val_if_fail (a_this, FALSE) ; |
| return a_this->is_transparent ; |
| } |
| |
| |
| /** |
| * cr_rgb_set_to_transparent: |
| *@a_this: the current instance of #CRRgb |
| *@a_is_transparent: set to transparent or not. |
| * |
| *Sets the rgb to the "transparent" value (or not) |
| *Returns CR_OK upon successfull completion, an error code otherwise. |
| */ |
| enum CRStatus |
| cr_rgb_set_to_transparent (CRRgb *a_this, |
| gboolean a_is_transparent) |
| { |
| g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR) ; |
| a_this->is_transparent = a_is_transparent ; |
| return CR_OK ; |
| } |
| |
| /** |
| * cr_rgb_set_from_rgb: |
| *@a_this: the current instance of #CRRgb. |
| *@a_rgb: the rgb to "copy" |
| * |
| *Sets the rgb from an other one. |
| * |
| *Returns CR_OK upon successful completion, an error code otherwise. |
| */ |
| enum CRStatus |
| cr_rgb_set_from_rgb (CRRgb * a_this, CRRgb const * a_rgb) |
| { |
| g_return_val_if_fail (a_this && a_rgb, CR_BAD_PARAM_ERROR); |
| |
| cr_rgb_copy (a_this, a_rgb) ; |
| |
| return CR_OK; |
| } |
| |
| static int |
| cr_rgb_color_name_compare (const void *a, |
| const void *b) |
| { |
| const char *a_color_name = a; |
| const CRRgb *rgb = b; |
| |
| return g_ascii_strcasecmp (a_color_name, (const char *) rgb->name); |
| } |
| |
| /** |
| * cr_rgb_set_from_name: |
| * @a_this: the current instance of #CRRgb |
| * @a_color_name: the color name |
| * |
| * Returns CR_OK upon successful completion, an error code otherwise. |
| */ |
| enum CRStatus |
| cr_rgb_set_from_name (CRRgb * a_this, const guchar * a_color_name) |
| { |
| enum CRStatus status = CR_OK; |
| CRRgb *result; |
| |
| g_return_val_if_fail (a_this && a_color_name, CR_BAD_PARAM_ERROR); |
| |
| result = bsearch (a_color_name, |
| gv_standard_colors, |
| G_N_ELEMENTS (gv_standard_colors), |
| sizeof (gv_standard_colors[0]), |
| cr_rgb_color_name_compare); |
| if (result != NULL) |
| cr_rgb_set_from_rgb (a_this, result); |
| else |
| status = CR_UNKNOWN_TYPE_ERROR; |
| |
| return status; |
| } |
| |
| /** |
| * cr_rgb_set_from_hex_str: |
| * @a_this: the current instance of #CRRgb |
| * @a_hex: the hexadecimal value to set. |
| * |
| * Returns CR_OK upon successful completion. |
| */ |
| enum CRStatus |
| cr_rgb_set_from_hex_str (CRRgb * a_this, const guchar * a_hex) |
| { |
| enum CRStatus status = CR_OK; |
| gulong i = 0; |
| guchar colors[3] = { 0 }; |
| |
| g_return_val_if_fail (a_this && a_hex, CR_BAD_PARAM_ERROR); |
| |
| if (strlen ((const char *) a_hex) == 3) { |
| for (i = 0; i < 3; i++) { |
| if (a_hex[i] >= '0' && a_hex[i] <= '9') { |
| colors[i] = a_hex[i] - '0'; |
| colors[i] = (colors[i] << 4) | colors[i]; |
| } else if (a_hex[i] >= 'a' && a_hex[i] <= 'z') { |
| colors[i] = 10 + a_hex[i] - 'a'; |
| colors[i] = (colors[i] << 4) | colors[i]; |
| } else if (a_hex[i] >= 'A' && a_hex[i] <= 'Z') { |
| colors[i] = 10 + a_hex[i] - 'A'; |
| colors[i] = (colors[i] << 4) | colors[i]; |
| } else { |
| status = CR_UNKNOWN_TYPE_ERROR; |
| } |
| } |
| } else if (strlen ((const char *) a_hex) == 6) { |
| for (i = 0; i < 6; i++) { |
| if (a_hex[i] >= '0' && a_hex[i] <= '9') { |
| colors[i / 2] <<= 4; |
| colors[i / 2] |= a_hex[i] - '0'; |
| status = CR_OK; |
| } else if (a_hex[i] >= 'a' && a_hex[i] <= 'z') { |
| colors[i / 2] <<= 4; |
| colors[i / 2] |= 10 + a_hex[i] - 'a'; |
| status = CR_OK; |
| } else if (a_hex[i] >= 'A' && a_hex[i] <= 'Z') { |
| colors[i / 2] <<= 4; |
| colors[i / 2] |= 10 + a_hex[i] - 'A'; |
| status = CR_OK; |
| } else { |
| status = CR_UNKNOWN_TYPE_ERROR; |
| } |
| } |
| } else { |
| status = CR_UNKNOWN_TYPE_ERROR; |
| } |
| |
| if (status == CR_OK) { |
| status = cr_rgb_set (a_this, colors[0], |
| colors[1], colors[2], FALSE); |
| cr_rgb_set_to_transparent (a_this, FALSE) ; |
| } |
| return status; |
| } |
| |
| /** |
| * cr_rgb_set_from_term: |
| *@a_this: the instance of #CRRgb to set |
| *@a_value: the terminal from which to set |
| * |
| *Set the rgb from a terminal symbol |
| * |
| * Returns CR_OK upon successful completion, an error code otherwise. |
| */ |
| enum CRStatus |
| cr_rgb_set_from_term (CRRgb *a_this, const struct _CRTerm *a_value) |
| { |
| enum CRStatus status = CR_OK ; |
| g_return_val_if_fail (a_this && a_value, |
| CR_BAD_PARAM_ERROR) ; |
| |
| switch(a_value->type) { |
| case TERM_RGB: |
| if (a_value->content.rgb) { |
| cr_rgb_set_from_rgb |
| (a_this, a_value->content.rgb) ; |
| } |
| break ; |
| case TERM_IDENT: |
| if (a_value->content.str |
| && a_value->content.str->stryng |
| && a_value->content.str->stryng->str) { |
| if (!strncmp ("inherit", |
| a_value->content.str->stryng->str, |
| sizeof ("inherit")-1)) { |
| a_this->inherit = TRUE; |
| a_this->is_transparent = FALSE ; |
| } else { |
| status = cr_rgb_set_from_name |
| (a_this, |
| (const guchar *) a_value->content.str->stryng->str) ; |
| } |
| } else { |
| cr_utils_trace_info |
| ("a_value has NULL string value") ; |
| } |
| break ; |
| case TERM_HASH: |
| if (a_value->content.str |
| && a_value->content.str->stryng |
| && a_value->content.str->stryng->str) { |
| status = cr_rgb_set_from_hex_str |
| (a_this, |
| (const guchar *) a_value->content.str->stryng->str) ; |
| } else { |
| cr_utils_trace_info |
| ("a_value has NULL string value") ; |
| } |
| break ; |
| default: |
| status = CR_UNKNOWN_TYPE_ERROR ; |
| } |
| return status ; |
| } |
| |
| enum CRStatus |
| cr_rgb_copy (CRRgb *a_dest, CRRgb const *a_src) |
| { |
| g_return_val_if_fail (a_dest && a_src, |
| CR_BAD_PARAM_ERROR) ; |
| |
| memcpy (a_dest, a_src, sizeof (CRRgb)) ; |
| return CR_OK ; |
| } |
| |
| /** |
| * cr_rgb_destroy: |
| *@a_this: the "this pointer" of the |
| *current instance of #CRRgb. |
| * |
| *Destructor of #CRRgb. |
| */ |
| void |
| cr_rgb_destroy (CRRgb * a_this) |
| { |
| g_return_if_fail (a_this); |
| g_free (a_this); |
| } |
| |
| /** |
| * cr_rgb_parse_from_buf: |
| *@a_str: a string that contains a color description |
| *@a_enc: the encoding of a_str |
| * |
| *Parses a text buffer that contains a rgb color |
| * |
| *Returns the parsed color, or NULL in case of error |
| */ |
| CRRgb * |
| cr_rgb_parse_from_buf (const guchar *a_str, |
| enum CREncoding a_enc) |
| { |
| enum CRStatus status = CR_OK ; |
| CRTerm *value = NULL ; |
| CRParser * parser = NULL; |
| CRRgb *result = NULL; |
| |
| g_return_val_if_fail (a_str, NULL); |
| |
| parser = cr_parser_new_from_buf ((guchar *) a_str, strlen ((const char *) a_str), a_enc, FALSE); |
| |
| g_return_val_if_fail (parser, NULL); |
| |
| status = cr_parser_try_to_skip_spaces_and_comments (parser) ; |
| if (status != CR_OK) |
| goto cleanup; |
| |
| status = cr_parser_parse_term (parser, &value); |
| if (status != CR_OK) |
| goto cleanup; |
| |
| result = cr_rgb_new (); |
| if (!result) |
| goto cleanup; |
| |
| status = cr_rgb_set_from_term (result, value); |
| |
| cleanup: |
| if (parser) { |
| cr_parser_destroy (parser); |
| parser = NULL; |
| } |
| if (value) { |
| cr_term_destroy(value); |
| value = NULL; |
| } |
| return result ; |
| } |
| |
