qcolor_p.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the QtGui module of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL21$-
9** Commercial License Usage-
10** Licensees holding valid commercial Qt licenses may use this file in-
11** accordance with the commercial license agreement provided with the-
12** Software or, alternatively, in accordance with the terms contained in-
13** a written agreement between you and The Qt Company. For licensing terms-
14** and conditions see http://www.qt.io/terms-conditions. For further-
15** information use the contact form at http://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 2.1 or version 3 as published by the Free-
20** Software Foundation and appearing in the file LICENSE.LGPLv21 and-
21** LICENSE.LGPLv3 included in the packaging of this file. Please review the-
22** following information to ensure the GNU Lesser General Public License-
23** requirements will be met: https://www.gnu.org/licenses/lgpl.html and-
24** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.-
25**-
26** As a special exception, The Qt Company gives you certain additional-
27** rights. These rights are described in The Qt Company LGPL Exception-
28** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.-
29**-
30** $QT_END_LICENSE$-
31**-
32****************************************************************************/-
33-
34#include "qglobal.h"-
35#include "qrgb.h"-
36#include "qstringlist.h"-
37#include "private/qtools_p.h"-
38-
39#include <algorithm>-
40-
41QT_BEGIN_NAMESPACE-
42-
43/*!-
44 \internal-
45 If s[0..1] is a valid hex number, returns its integer value,-
46 otherwise returns -1.-
47 */-
48static inline int hex2int(const char *s)-
49{-
50 const int hi = QtMiscUtils::fromHex(s[0]);-
51 if (hi < 0)
hi < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
52 return -1;
never executed: return -1;
0
53 const int lo = QtMiscUtils::fromHex(s[1]);-
54 if (lo < 0)
lo < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
55 return -1;
never executed: return -1;
0
56 return (hi << 4) | lo;
never executed: return (hi << 4) | lo;
0
57}-
58-
59/*!-
60 \internal-
61 If s is a valid hex digit, returns its integer value,-
62 multiplied by 0x11, otherwise returns -1.-
63 */-
64static inline int hex2int(char s)-
65{-
66 const int h = QtMiscUtils::fromHex(s);-
67 return h < 0 ? h : (h << 4) | h;
never executed: return h < 0 ? h : (h << 4) | h;
h < 0Description
TRUEnever evaluated
FALSEnever evaluated
0
68}-
69-
70bool qt_get_hex_rgb(const char *name, QRgb *rgb)-
71{-
72 if(name[0] != '#')
name[0] != '#'Description
TRUEnever evaluated
FALSEnever evaluated
0
73 return false;
never executed: return false;
0
74 name++;-
75 int len = qstrlen(name);-
76 int a, r, g, b;-
77 a = 255;-
78 if (len == 12) {
len == 12Description
TRUEnever evaluated
FALSEnever evaluated
0
79 r = hex2int(name);-
80 g = hex2int(name + 4);-
81 b = hex2int(name + 8);-
82 } else if (len == 9) {
never executed: end of block
len == 9Description
TRUEnever evaluated
FALSEnever evaluated
0
83 r = hex2int(name);-
84 g = hex2int(name + 3);-
85 b = hex2int(name + 6);-
86 } else if (len == 8) {
never executed: end of block
len == 8Description
TRUEnever evaluated
FALSEnever evaluated
0
87 a = hex2int(name);-
88 r = hex2int(name + 2);-
89 g = hex2int(name + 4);-
90 b = hex2int(name + 6);-
91 } else if (len == 6) {
never executed: end of block
len == 6Description
TRUEnever evaluated
FALSEnever evaluated
0
92 r = hex2int(name);-
93 g = hex2int(name + 2);-
94 b = hex2int(name + 4);-
95 } else if (len == 3) {
never executed: end of block
len == 3Description
TRUEnever evaluated
FALSEnever evaluated
0
96 r = hex2int(name[0]);-
97 g = hex2int(name[1]);-
98 b = hex2int(name[2]);-
99 } else {
never executed: end of block
0
100 r = g = b = -1;-
101 }
never executed: end of block
0
102 if ((uint)r > 255 || (uint)g > 255 || (uint)b > 255 || (uint)a > 255) {
(uint)r > 255Description
TRUEnever evaluated
FALSEnever evaluated
(uint)g > 255Description
TRUEnever evaluated
FALSEnever evaluated
(uint)b > 255Description
TRUEnever evaluated
FALSEnever evaluated
(uint)a > 255Description
TRUEnever evaluated
FALSEnever evaluated
0
103 *rgb = 0;-
104 return false;
never executed: return false;
0
105 }-
106 *rgb = qRgba(r, g ,b, a);-
107 return true;
never executed: return true;
0
108}-
109-
110bool qt_get_hex_rgb(const QChar *str, int len, QRgb *rgb)-
111{-
112 if (len > 13)
len > 13Description
TRUEnever evaluated
FALSEnever evaluated
0
113 return false;
never executed: return false;
0
114 char tmp[16];-
115 for(int i = 0; i < len; ++i)
i < lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
116 tmp[i] = str[i].toLatin1();
never executed: tmp[i] = str[i].toLatin1();
0
117 tmp[len] = 0;-
118 return qt_get_hex_rgb(tmp, rgb);
never executed: return qt_get_hex_rgb(tmp, rgb);
0
119}-
120-
121#ifndef QT_NO_COLORNAMES-
122-
123/*-
124 CSS color names = SVG 1.0 color names + transparent (rgba(0,0,0,0))-
125*/-
126-
127#ifdef rgb-
128# undef rgb-
129#endif-
130#define rgb(r,g,b) (0xff000000 | (r << 16) | (g << 8) | b)-
131-
132static const struct RGBData {-
133 const char name[21];-
134 uint value;-
135} rgbTbl[] = {-
136 { "aliceblue", rgb(240, 248, 255) },-
137 { "antiquewhite", rgb(250, 235, 215) },-
138 { "aqua", rgb( 0, 255, 255) },-
139 { "aquamarine", rgb(127, 255, 212) },-
140 { "azure", rgb(240, 255, 255) },-
141 { "beige", rgb(245, 245, 220) },-
142 { "bisque", rgb(255, 228, 196) },-
143 { "black", rgb( 0, 0, 0) },-
144 { "blanchedalmond", rgb(255, 235, 205) },-
145 { "blue", rgb( 0, 0, 255) },-
146 { "blueviolet", rgb(138, 43, 226) },-
147 { "brown", rgb(165, 42, 42) },-
148 { "burlywood", rgb(222, 184, 135) },-
149 { "cadetblue", rgb( 95, 158, 160) },-
150 { "chartreuse", rgb(127, 255, 0) },-
151 { "chocolate", rgb(210, 105, 30) },-
152 { "coral", rgb(255, 127, 80) },-
153 { "cornflowerblue", rgb(100, 149, 237) },-
154 { "cornsilk", rgb(255, 248, 220) },-
155 { "crimson", rgb(220, 20, 60) },-
156 { "cyan", rgb( 0, 255, 255) },-
157 { "darkblue", rgb( 0, 0, 139) },-
158 { "darkcyan", rgb( 0, 139, 139) },-
159 { "darkgoldenrod", rgb(184, 134, 11) },-
160 { "darkgray", rgb(169, 169, 169) },-
161 { "darkgreen", rgb( 0, 100, 0) },-
162 { "darkgrey", rgb(169, 169, 169) },-
163 { "darkkhaki", rgb(189, 183, 107) },-
164 { "darkmagenta", rgb(139, 0, 139) },-
165 { "darkolivegreen", rgb( 85, 107, 47) },-
166 { "darkorange", rgb(255, 140, 0) },-
167 { "darkorchid", rgb(153, 50, 204) },-
168 { "darkred", rgb(139, 0, 0) },-
169 { "darksalmon", rgb(233, 150, 122) },-
170 { "darkseagreen", rgb(143, 188, 143) },-
171 { "darkslateblue", rgb( 72, 61, 139) },-
172 { "darkslategray", rgb( 47, 79, 79) },-
173 { "darkslategrey", rgb( 47, 79, 79) },-
174 { "darkturquoise", rgb( 0, 206, 209) },-
175 { "darkviolet", rgb(148, 0, 211) },-
176 { "deeppink", rgb(255, 20, 147) },-
177 { "deepskyblue", rgb( 0, 191, 255) },-
178 { "dimgray", rgb(105, 105, 105) },-
179 { "dimgrey", rgb(105, 105, 105) },-
180 { "dodgerblue", rgb( 30, 144, 255) },-
181 { "firebrick", rgb(178, 34, 34) },-
182 { "floralwhite", rgb(255, 250, 240) },-
183 { "forestgreen", rgb( 34, 139, 34) },-
184 { "fuchsia", rgb(255, 0, 255) },-
185 { "gainsboro", rgb(220, 220, 220) },-
186 { "ghostwhite", rgb(248, 248, 255) },-
187 { "gold", rgb(255, 215, 0) },-
188 { "goldenrod", rgb(218, 165, 32) },-
189 { "gray", rgb(128, 128, 128) },-
190 { "green", rgb( 0, 128, 0) },-
191 { "greenyellow", rgb(173, 255, 47) },-
192 { "grey", rgb(128, 128, 128) },-
193 { "honeydew", rgb(240, 255, 240) },-
194 { "hotpink", rgb(255, 105, 180) },-
195 { "indianred", rgb(205, 92, 92) },-
196 { "indigo", rgb( 75, 0, 130) },-
197 { "ivory", rgb(255, 255, 240) },-
198 { "khaki", rgb(240, 230, 140) },-
199 { "lavender", rgb(230, 230, 250) },-
200 { "lavenderblush", rgb(255, 240, 245) },-
201 { "lawngreen", rgb(124, 252, 0) },-
202 { "lemonchiffon", rgb(255, 250, 205) },-
203 { "lightblue", rgb(173, 216, 230) },-
204 { "lightcoral", rgb(240, 128, 128) },-
205 { "lightcyan", rgb(224, 255, 255) },-
206 { "lightgoldenrodyellow", rgb(250, 250, 210) },-
207 { "lightgray", rgb(211, 211, 211) },-
208 { "lightgreen", rgb(144, 238, 144) },-
209 { "lightgrey", rgb(211, 211, 211) },-
210 { "lightpink", rgb(255, 182, 193) },-
211 { "lightsalmon", rgb(255, 160, 122) },-
212 { "lightseagreen", rgb( 32, 178, 170) },-
213 { "lightskyblue", rgb(135, 206, 250) },-
214 { "lightslategray", rgb(119, 136, 153) },-
215 { "lightslategrey", rgb(119, 136, 153) },-
216 { "lightsteelblue", rgb(176, 196, 222) },-
217 { "lightyellow", rgb(255, 255, 224) },-
218 { "lime", rgb( 0, 255, 0) },-
219 { "limegreen", rgb( 50, 205, 50) },-
220 { "linen", rgb(250, 240, 230) },-
221 { "magenta", rgb(255, 0, 255) },-
222 { "maroon", rgb(128, 0, 0) },-
223 { "mediumaquamarine", rgb(102, 205, 170) },-
224 { "mediumblue", rgb( 0, 0, 205) },-
225 { "mediumorchid", rgb(186, 85, 211) },-
226 { "mediumpurple", rgb(147, 112, 219) },-
227 { "mediumseagreen", rgb( 60, 179, 113) },-
228 { "mediumslateblue", rgb(123, 104, 238) },-
229 { "mediumspringgreen", rgb( 0, 250, 154) },-
230 { "mediumturquoise", rgb( 72, 209, 204) },-
231 { "mediumvioletred", rgb(199, 21, 133) },-
232 { "midnightblue", rgb( 25, 25, 112) },-
233 { "mintcream", rgb(245, 255, 250) },-
234 { "mistyrose", rgb(255, 228, 225) },-
235 { "moccasin", rgb(255, 228, 181) },-
236 { "navajowhite", rgb(255, 222, 173) },-
237 { "navy", rgb( 0, 0, 128) },-
238 { "oldlace", rgb(253, 245, 230) },-
239 { "olive", rgb(128, 128, 0) },-
240 { "olivedrab", rgb(107, 142, 35) },-
241 { "orange", rgb(255, 165, 0) },-
242 { "orangered", rgb(255, 69, 0) },-
243 { "orchid", rgb(218, 112, 214) },-
244 { "palegoldenrod", rgb(238, 232, 170) },-
245 { "palegreen", rgb(152, 251, 152) },-
246 { "paleturquoise", rgb(175, 238, 238) },-
247 { "palevioletred", rgb(219, 112, 147) },-
248 { "papayawhip", rgb(255, 239, 213) },-
249 { "peachpuff", rgb(255, 218, 185) },-
250 { "peru", rgb(205, 133, 63) },-
251 { "pink", rgb(255, 192, 203) },-
252 { "plum", rgb(221, 160, 221) },-
253 { "powderblue", rgb(176, 224, 230) },-
254 { "purple", rgb(128, 0, 128) },-
255 { "red", rgb(255, 0, 0) },-
256 { "rosybrown", rgb(188, 143, 143) },-
257 { "royalblue", rgb( 65, 105, 225) },-
258 { "saddlebrown", rgb(139, 69, 19) },-
259 { "salmon", rgb(250, 128, 114) },-
260 { "sandybrown", rgb(244, 164, 96) },-
261 { "seagreen", rgb( 46, 139, 87) },-
262 { "seashell", rgb(255, 245, 238) },-
263 { "sienna", rgb(160, 82, 45) },-
264 { "silver", rgb(192, 192, 192) },-
265 { "skyblue", rgb(135, 206, 235) },-
266 { "slateblue", rgb(106, 90, 205) },-
267 { "slategray", rgb(112, 128, 144) },-
268 { "slategrey", rgb(112, 128, 144) },-
269 { "snow", rgb(255, 250, 250) },-
270 { "springgreen", rgb( 0, 255, 127) },-
271 { "steelblue", rgb( 70, 130, 180) },-
272 { "tan", rgb(210, 180, 140) },-
273 { "teal", rgb( 0, 128, 128) },-
274 { "thistle", rgb(216, 191, 216) },-
275 { "tomato", rgb(255, 99, 71) },-
276 { "transparent", 0 },-
277 { "turquoise", rgb( 64, 224, 208) },-
278 { "violet", rgb(238, 130, 238) },-
279 { "wheat", rgb(245, 222, 179) },-
280 { "white", rgb(255, 255, 255) },-
281 { "whitesmoke", rgb(245, 245, 245) },-
282 { "yellow", rgb(255, 255, 0) },-
283 { "yellowgreen", rgb(154, 205, 50) }-
284};-
285-
286static const int rgbTblSize = sizeof(rgbTbl) / sizeof(RGBData);-
287-
288#undef rgb-
289-
290#if defined(Q_CC_MSVC) && _MSC_VER < 1600-
291inline bool operator<(const RGBData &data1, const RGBData &data2)-
292{ return qstrcmp(data1.name, data2.name) < 0; }-
293#endif-
294-
295inline bool operator<(const char *name, const RGBData &data)-
296{
never executed: return qstrcmp(name, data.name) < 0;
 return qstrcmp(name, data.name) < 0; }
never executed: return qstrcmp(name, data.name) < 0;
0
297inline bool operator<(const RGBData &data, const char *name)-
298{
never executed: return qstrcmp(data.name, name) < 0;
 return qstrcmp(data.name, name) < 0; }
never executed: return qstrcmp(data.name, name) < 0;
0
299-
300static bool get_named_rgb(const char *name_no_space, QRgb *rgb)-
301{-
302 const RGBData *r = std::lower_bound(rgbTbl, rgbTbl + rgbTblSize, name_no_space);-
303 if ((r != rgbTbl + rgbTblSize) && !(name_no_space < *r)) {
(r != rgbTbl + rgbTblSize)Description
TRUEnever evaluated
FALSEnever evaluated
!(name_no_space < *r)Description
TRUEnever evaluated
FALSEnever evaluated
0
304 *rgb = r->value;-
305 return true;
never executed: return true;
0
306 }-
307 return false;
never executed: return false;
0
308}-
309-
310bool qt_get_named_rgb(const char *name, QRgb* rgb)-
311{-
312 int len = int(strlen(name));-
313 if(len > 255)
len > 255Description
TRUEnever evaluated
FALSEnever evaluated
0
314 return false;
never executed: return false;
0
315 char name_no_space[256];-
316 int pos = 0;-
317 for(int i = 0; i < len; i++) {
i < lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
318 if(name[i] != '\t' && name[i] != ' ')
name[i] != '\t'Description
TRUEnever evaluated
FALSEnever evaluated
name[i] != ' 'Description
TRUEnever evaluated
FALSEnever evaluated
0
319 name_no_space[pos++] = QChar::toLower(name[i]);
never executed: name_no_space[pos++] = QChar::toLower(name[i]);
0
320 }
never executed: end of block
0
321 name_no_space[pos] = 0;-
322-
323 return get_named_rgb(name_no_space, rgb);
never executed: return get_named_rgb(name_no_space, rgb);
0
324}-
325-
326bool qt_get_named_rgb(const QChar *name, int len, QRgb *rgb)-
327{-
328 if(len > 255)
len > 255Description
TRUEnever evaluated
FALSEnever evaluated
0
329 return false;
never executed: return false;
0
330 char name_no_space[256];-
331 int pos = 0;-
332 for(int i = 0; i < len; i++) {
i < lenDescription
TRUEnever evaluated
FALSEnever evaluated
0
333 if(name[i] != QLatin1Char('\t') && name[i] != QLatin1Char(' '))
name[i] != QLatin1Char('\t')Description
TRUEnever evaluated
FALSEnever evaluated
name[i] != QLatin1Char(' ')Description
TRUEnever evaluated
FALSEnever evaluated
0
334 name_no_space[pos++] = name[i].toLower().toLatin1();
never executed: name_no_space[pos++] = name[i].toLower().toLatin1();
0
335 }
never executed: end of block
0
336 name_no_space[pos] = 0;-
337 return get_named_rgb(name_no_space, rgb);
never executed: return get_named_rgb(name_no_space, rgb);
0
338}-
339-
340-
341uint qt_get_rgb_val(const char *name)-
342{-
343 QRgb r = 0;-
344 qt_get_named_rgb(name,&r);-
345 return r;
never executed: return r;
0
346}-
347-
348QStringList qt_get_colornames()-
349{-
350 int i = 0;-
351 QStringList lst;-
352 lst.reserve(rgbTblSize);-
353 for (i = 0; i < rgbTblSize; i++)
i < rgbTblSizeDescription
TRUEnever evaluated
FALSEnever evaluated
0
354 lst << QLatin1String(rgbTbl[i].name);
never executed: lst << QLatin1String(rgbTbl[i].name);
0
355 return lst;
never executed: return lst;
0
356}-
357-
358#else-
359-
360bool qt_get_named_rgb(const char *, QRgb*)-
361{-
362 return false;-
363}-
364-
365uint qt_get_rgb_val(const char *)-
366{-
367 return 0;-
368}-
369QStringList qt_get_colornames()-
370{-
371 return QStringList();-
372}-
373#endif // QT_NO_COLORNAMES-
374-
375QT_END_NAMESPACE-
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