diff options
Diffstat (limited to 'src/gui/painting/qcolor_p.cpp')
| -rw-r--r-- | src/gui/painting/qcolor_p.cpp | 370 |
1 files changed, 370 insertions, 0 deletions
diff --git a/src/gui/painting/qcolor_p.cpp b/src/gui/painting/qcolor_p.cpp new file mode 100644 index 0000000000..38fed7146d --- /dev/null +++ b/src/gui/painting/qcolor_p.cpp @@ -0,0 +1,370 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtGui module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qglobal.h" + +#if defined(Q_CC_BOR) +// needed for qsort() because of a std namespace problem on Borland +#include "qplatformdefs.h" +#endif + +#include "qrgb.h" +#include "qstringlist.h" + +QT_BEGIN_NAMESPACE + +static inline int h2i(char hex) +{ + if (hex >= '0' && hex <= '9') + return hex - '0'; + if (hex >= 'a' && hex <= 'f') + return hex - 'a' + 10; + if (hex >= 'A' && hex <= 'F') + return hex - 'A' + 10; + return -1; +} + +static inline int hex2int(const char *s) +{ + return (h2i(s[0]) << 4) | h2i(s[1]); +} + +static inline int hex2int(char s) +{ + int h = h2i(s); + return (h << 4) | h; +} + +bool qt_get_hex_rgb(const char *name, QRgb *rgb) +{ + if(name[0] != '#') + return false; + name++; + int len = qstrlen(name); + int r, g, b; + if (len == 12) { + r = hex2int(name); + g = hex2int(name + 4); + b = hex2int(name + 8); + } else if (len == 9) { + r = hex2int(name); + g = hex2int(name + 3); + b = hex2int(name + 6); + } else if (len == 6) { + r = hex2int(name); + g = hex2int(name + 2); + b = hex2int(name + 4); + } else if (len == 3) { + r = hex2int(name[0]); + g = hex2int(name[1]); + b = hex2int(name[2]); + } else { + r = g = b = -1; + } + if ((uint)r > 255 || (uint)g > 255 || (uint)b > 255) { + *rgb = 0; + return false; + } + *rgb = qRgb(r, g ,b); + return true; +} + +bool qt_get_hex_rgb(const QChar *str, int len, QRgb *rgb) +{ + if (len > 13) + return false; + char tmp[16]; + for(int i = 0; i < len; ++i) + tmp[i] = str[i].toLatin1(); + tmp[len] = 0; + return qt_get_hex_rgb(tmp, rgb); +} + +#ifndef QT_NO_COLORNAMES + +/* + CSS color names = SVG 1.0 color names + transparent (rgba(0,0,0,0)) +*/ + +#ifdef rgb +# undef rgb +#endif +#define rgb(r,g,b) (0xff000000 | (r << 16) | (g << 8) | b) + +static const struct RGBData { + const char *name; + uint value; +} rgbTbl[] = { + { "aliceblue", rgb(240, 248, 255) }, + { "antiquewhite", rgb(250, 235, 215) }, + { "aqua", rgb( 0, 255, 255) }, + { "aquamarine", rgb(127, 255, 212) }, + { "azure", rgb(240, 255, 255) }, + { "beige", rgb(245, 245, 220) }, + { "bisque", rgb(255, 228, 196) }, + { "black", rgb( 0, 0, 0) }, + { "blanchedalmond", rgb(255, 235, 205) }, + { "blue", rgb( 0, 0, 255) }, + { "blueviolet", rgb(138, 43, 226) }, + { "brown", rgb(165, 42, 42) }, + { "burlywood", rgb(222, 184, 135) }, + { "cadetblue", rgb( 95, 158, 160) }, + { "chartreuse", rgb(127, 255, 0) }, + { "chocolate", rgb(210, 105, 30) }, + { "coral", rgb(255, 127, 80) }, + { "cornflowerblue", rgb(100, 149, 237) }, + { "cornsilk", rgb(255, 248, 220) }, + { "crimson", rgb(220, 20, 60) }, + { "cyan", rgb( 0, 255, 255) }, + { "darkblue", rgb( 0, 0, 139) }, + { "darkcyan", rgb( 0, 139, 139) }, + { "darkgoldenrod", rgb(184, 134, 11) }, + { "darkgray", rgb(169, 169, 169) }, + { "darkgreen", rgb( 0, 100, 0) }, + { "darkgrey", rgb(169, 169, 169) }, + { "darkkhaki", rgb(189, 183, 107) }, + { "darkmagenta", rgb(139, 0, 139) }, + { "darkolivegreen", rgb( 85, 107, 47) }, + { "darkorange", rgb(255, 140, 0) }, + { "darkorchid", rgb(153, 50, 204) }, + { "darkred", rgb(139, 0, 0) }, + { "darksalmon", rgb(233, 150, 122) }, + { "darkseagreen", rgb(143, 188, 143) }, + { "darkslateblue", rgb( 72, 61, 139) }, + { "darkslategray", rgb( 47, 79, 79) }, + { "darkslategrey", rgb( 47, 79, 79) }, + { "darkturquoise", rgb( 0, 206, 209) }, + { "darkviolet", rgb(148, 0, 211) }, + { "deeppink", rgb(255, 20, 147) }, + { "deepskyblue", rgb( 0, 191, 255) }, + { "dimgray", rgb(105, 105, 105) }, + { "dimgrey", rgb(105, 105, 105) }, + { "dodgerblue", rgb( 30, 144, 255) }, + { "firebrick", rgb(178, 34, 34) }, + { "floralwhite", rgb(255, 250, 240) }, + { "forestgreen", rgb( 34, 139, 34) }, + { "fuchsia", rgb(255, 0, 255) }, + { "gainsboro", rgb(220, 220, 220) }, + { "ghostwhite", rgb(248, 248, 255) }, + { "gold", rgb(255, 215, 0) }, + { "goldenrod", rgb(218, 165, 32) }, + { "gray", rgb(128, 128, 128) }, + { "green", rgb( 0, 128, 0) }, + { "greenyellow", rgb(173, 255, 47) }, + { "grey", rgb(128, 128, 128) }, + { "honeydew", rgb(240, 255, 240) }, + { "hotpink", rgb(255, 105, 180) }, + { "indianred", rgb(205, 92, 92) }, + { "indigo", rgb( 75, 0, 130) }, + { "ivory", rgb(255, 255, 240) }, + { "khaki", rgb(240, 230, 140) }, + { "lavender", rgb(230, 230, 250) }, + { "lavenderblush", rgb(255, 240, 245) }, + { "lawngreen", rgb(124, 252, 0) }, + { "lemonchiffon", rgb(255, 250, 205) }, + { "lightblue", rgb(173, 216, 230) }, + { "lightcoral", rgb(240, 128, 128) }, + { "lightcyan", rgb(224, 255, 255) }, + { "lightgoldenrodyellow", rgb(250, 250, 210) }, + { "lightgray", rgb(211, 211, 211) }, + { "lightgreen", rgb(144, 238, 144) }, + { "lightgrey", rgb(211, 211, 211) }, + { "lightpink", rgb(255, 182, 193) }, + { "lightsalmon", rgb(255, 160, 122) }, + { "lightseagreen", rgb( 32, 178, 170) }, + { "lightskyblue", rgb(135, 206, 250) }, + { "lightslategray", rgb(119, 136, 153) }, + { "lightslategrey", rgb(119, 136, 153) }, + { "lightsteelblue", rgb(176, 196, 222) }, + { "lightyellow", rgb(255, 255, 224) }, + { "lime", rgb( 0, 255, 0) }, + { "limegreen", rgb( 50, 205, 50) }, + { "linen", rgb(250, 240, 230) }, + { "magenta", rgb(255, 0, 255) }, + { "maroon", rgb(128, 0, 0) }, + { "mediumaquamarine", rgb(102, 205, 170) }, + { "mediumblue", rgb( 0, 0, 205) }, + { "mediumorchid", rgb(186, 85, 211) }, + { "mediumpurple", rgb(147, 112, 219) }, + { "mediumseagreen", rgb( 60, 179, 113) }, + { "mediumslateblue", rgb(123, 104, 238) }, + { "mediumspringgreen", rgb( 0, 250, 154) }, + { "mediumturquoise", rgb( 72, 209, 204) }, + { "mediumvioletred", rgb(199, 21, 133) }, + { "midnightblue", rgb( 25, 25, 112) }, + { "mintcream", rgb(245, 255, 250) }, + { "mistyrose", rgb(255, 228, 225) }, + { "moccasin", rgb(255, 228, 181) }, + { "navajowhite", rgb(255, 222, 173) }, + { "navy", rgb( 0, 0, 128) }, + { "oldlace", rgb(253, 245, 230) }, + { "olive", rgb(128, 128, 0) }, + { "olivedrab", rgb(107, 142, 35) }, + { "orange", rgb(255, 165, 0) }, + { "orangered", rgb(255, 69, 0) }, + { "orchid", rgb(218, 112, 214) }, + { "palegoldenrod", rgb(238, 232, 170) }, + { "palegreen", rgb(152, 251, 152) }, + { "paleturquoise", rgb(175, 238, 238) }, + { "palevioletred", rgb(219, 112, 147) }, + { "papayawhip", rgb(255, 239, 213) }, + { "peachpuff", rgb(255, 218, 185) }, + { "peru", rgb(205, 133, 63) }, + { "pink", rgb(255, 192, 203) }, + { "plum", rgb(221, 160, 221) }, + { "powderblue", rgb(176, 224, 230) }, + { "purple", rgb(128, 0, 128) }, + { "red", rgb(255, 0, 0) }, + { "rosybrown", rgb(188, 143, 143) }, + { "royalblue", rgb( 65, 105, 225) }, + { "saddlebrown", rgb(139, 69, 19) }, + { "salmon", rgb(250, 128, 114) }, + { "sandybrown", rgb(244, 164, 96) }, + { "seagreen", rgb( 46, 139, 87) }, + { "seashell", rgb(255, 245, 238) }, + { "sienna", rgb(160, 82, 45) }, + { "silver", rgb(192, 192, 192) }, + { "skyblue", rgb(135, 206, 235) }, + { "slateblue", rgb(106, 90, 205) }, + { "slategray", rgb(112, 128, 144) }, + { "slategrey", rgb(112, 128, 144) }, + { "snow", rgb(255, 250, 250) }, + { "springgreen", rgb( 0, 255, 127) }, + { "steelblue", rgb( 70, 130, 180) }, + { "tan", rgb(210, 180, 140) }, + { "teal", rgb( 0, 128, 128) }, + { "thistle", rgb(216, 191, 216) }, + { "tomato", rgb(255, 99, 71) }, + { "transparent", 0 }, + { "turquoise", rgb( 64, 224, 208) }, + { "violet", rgb(238, 130, 238) }, + { "wheat", rgb(245, 222, 179) }, + { "white", rgb(255, 255, 255) }, + { "whitesmoke", rgb(245, 245, 245) }, + { "yellow", rgb(255, 255, 0) }, + { "yellowgreen", rgb(154, 205, 50) } +}; + +static const int rgbTblSize = sizeof(rgbTbl) / sizeof(RGBData); + +#undef rgb + +inline bool operator<(const char *name, const RGBData &data) +{ return qstrcmp(name, data.name) < 0; } +inline bool operator<(const RGBData &data, const char *name) +{ return qstrcmp(data.name, name) < 0; } + +static bool get_named_rgb(const char *name_no_space, QRgb *rgb) +{ + QByteArray name = QByteArray(name_no_space).toLower(); + const RGBData *r = qBinaryFind(rgbTbl, rgbTbl + rgbTblSize, name.constData()); + if (r != rgbTbl + rgbTblSize) { + *rgb = r->value; + return true; + } + return false; +} + +bool qt_get_named_rgb(const char *name, QRgb* rgb) +{ + int len = int(strlen(name)); + if(len > 255) + return false; + char name_no_space[256]; + int pos = 0; + for(int i = 0; i < len; i++) { + if(name[i] != '\t' && name[i] != ' ') + name_no_space[pos++] = name[i]; + } + name_no_space[pos] = 0; + + return get_named_rgb(name_no_space, rgb); +} + +bool qt_get_named_rgb(const QChar *name, int len, QRgb *rgb) +{ + if(len > 255) + return false; + char name_no_space[256]; + int pos = 0; + for(int i = 0; i < len; i++) { + if(name[i] != QLatin1Char('\t') && name[i] != QLatin1Char(' ')) + name_no_space[pos++] = name[i].toLatin1(); + } + name_no_space[pos] = 0; + return get_named_rgb(name_no_space, rgb); +} + + +uint qt_get_rgb_val(const char *name) +{ + QRgb r = 0; + qt_get_named_rgb(name,&r); + return r; +} + +QStringList qt_get_colornames() +{ + int i = 0; + QStringList lst; + for (i = 0; i < rgbTblSize; i++) + lst << QLatin1String(rgbTbl[i].name); + return lst; +} + +#else + +bool qt_get_named_rgb(const char *, QRgb*) +{ + return false; +} + +uint qt_get_rgb_val(const char *) +{ + return 0; +} +QStringList qt_get_colornames() +{ + return QStringList(); +} +#endif // QT_NO_COLORNAMES + +QT_END_NAMESPACE |