Qt 4.8
qxpmhandler.cpp
Go to the documentation of this file.
1 /****************************************************************************
2 **
3 ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/legal
5 **
6 ** This file is part of the QtGui module of the Qt Toolkit.
7 **
8 ** $QT_BEGIN_LICENSE:LGPL$
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 Digia. For licensing terms and
14 ** conditions see http://qt.digia.com/licensing. For further information
15 ** use the contact form at http://qt.digia.com/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 as published by the Free Software
20 ** Foundation and appearing in the file LICENSE.LGPL included in the
21 ** packaging of this file. Please review the following information to
22 ** ensure the GNU Lesser General Public License version 2.1 requirements
23 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24 **
25 ** In addition, as a special exception, Digia gives you certain additional
26 ** rights. These rights are described in the Digia Qt LGPL Exception
27 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28 **
29 ** GNU General Public License Usage
30 ** Alternatively, this file may be used under the terms of the GNU
31 ** General Public License version 3.0 as published by the Free Software
32 ** Foundation and appearing in the file LICENSE.GPL included in the
33 ** packaging of this file. Please review the following information to
34 ** ensure the GNU General Public License version 3.0 requirements will be
35 ** met: http://www.gnu.org/copyleft/gpl.html.
36 **
37 **
38 ** $QT_END_LICENSE$
39 **
40 ****************************************************************************/
41 
42 #include "private/qxpmhandler_p.h"
43 
44 #ifndef QT_NO_IMAGEFORMAT_XPM
45 
46 #include <private/qcolor_p.h>
47 #include <qimage.h>
48 #include <qmap.h>
49 #include <qtextstream.h>
50 #include <qvariant.h>
51 
52 #if defined(Q_CC_BOR)
53 // needed for qsort() because of a std namespace problem on Borland
54 #include "qplatformdefs.h"
55 #endif
56 
58 
59 static quint64 xpmHash(const QString &str)
60 {
61  unsigned int hashValue = 0;
62  for (int i = 0; i < str.size(); ++i) {
63  hashValue <<= 8;
64  hashValue += (unsigned int)str.at(i).unicode();
65  }
66  return hashValue;
67 }
68 static quint64 xpmHash(char *str)
69 {
70  unsigned int hashValue = 0;
71  while (*str != '\0') {
72  hashValue <<= 8;
73  hashValue += (unsigned int)*str;
74  ++str;
75  }
76  return hashValue;
77 }
78 
79 #ifdef QRGB
80 #undef QRGB
81 #endif
82 #define QRGB(r,g,b) (r*65536 + g*256 + b)
83 
84 static const int xpmRgbTblSize = 657;
85 
86 static const struct XPMRGBData {
88  const char *name;
89 } xpmRgbTbl[] = {
90  { QRGB(240,248,255), "aliceblue" },
91  { QRGB(250,235,215), "antiquewhite" },
92  { QRGB(255,239,219), "antiquewhite1" },
93  { QRGB(238,223,204), "antiquewhite2" },
94  { QRGB(205,192,176), "antiquewhite3" },
95  { QRGB(139,131,120), "antiquewhite4" },
96  { QRGB(127,255,212), "aquamarine" },
97  { QRGB(127,255,212), "aquamarine1" },
98  { QRGB(118,238,198), "aquamarine2" },
99  { QRGB(102,205,170), "aquamarine3" },
100  { QRGB( 69,139,116), "aquamarine4" },
101  { QRGB(240,255,255), "azure" },
102  { QRGB(240,255,255), "azure1" },
103  { QRGB(224,238,238), "azure2" },
104  { QRGB(193,205,205), "azure3" },
105  { QRGB(131,139,139), "azure4" },
106  { QRGB(245,245,220), "beige" },
107  { QRGB(255,228,196), "bisque" },
108  { QRGB(255,228,196), "bisque1" },
109  { QRGB(238,213,183), "bisque2" },
110  { QRGB(205,183,158), "bisque3" },
111  { QRGB(139,125,107), "bisque4" },
112  { QRGB( 0, 0, 0), "black" },
113  { QRGB(255,235,205), "blanchedalmond" },
114  { QRGB( 0, 0,255), "blue" },
115  { QRGB( 0, 0,255), "blue1" },
116  { QRGB( 0, 0,238), "blue2" },
117  { QRGB( 0, 0,205), "blue3" },
118  { QRGB( 0, 0,139), "blue4" },
119  { QRGB(138, 43,226), "blueviolet" },
120  { QRGB(165, 42, 42), "brown" },
121  { QRGB(255, 64, 64), "brown1" },
122  { QRGB(238, 59, 59), "brown2" },
123  { QRGB(205, 51, 51), "brown3" },
124  { QRGB(139, 35, 35), "brown4" },
125  { QRGB(222,184,135), "burlywood" },
126  { QRGB(255,211,155), "burlywood1" },
127  { QRGB(238,197,145), "burlywood2" },
128  { QRGB(205,170,125), "burlywood3" },
129  { QRGB(139,115, 85), "burlywood4" },
130  { QRGB( 95,158,160), "cadetblue" },
131  { QRGB(152,245,255), "cadetblue1" },
132  { QRGB(142,229,238), "cadetblue2" },
133  { QRGB(122,197,205), "cadetblue3" },
134  { QRGB( 83,134,139), "cadetblue4" },
135  { QRGB(127,255, 0), "chartreuse" },
136  { QRGB(127,255, 0), "chartreuse1" },
137  { QRGB(118,238, 0), "chartreuse2" },
138  { QRGB(102,205, 0), "chartreuse3" },
139  { QRGB( 69,139, 0), "chartreuse4" },
140  { QRGB(210,105, 30), "chocolate" },
141  { QRGB(255,127, 36), "chocolate1" },
142  { QRGB(238,118, 33), "chocolate2" },
143  { QRGB(205,102, 29), "chocolate3" },
144  { QRGB(139, 69, 19), "chocolate4" },
145  { QRGB(255,127, 80), "coral" },
146  { QRGB(255,114, 86), "coral1" },
147  { QRGB(238,106, 80), "coral2" },
148  { QRGB(205, 91, 69), "coral3" },
149  { QRGB(139, 62, 47), "coral4" },
150  { QRGB(100,149,237), "cornflowerblue" },
151  { QRGB(255,248,220), "cornsilk" },
152  { QRGB(255,248,220), "cornsilk1" },
153  { QRGB(238,232,205), "cornsilk2" },
154  { QRGB(205,200,177), "cornsilk3" },
155  { QRGB(139,136,120), "cornsilk4" },
156  { QRGB( 0,255,255), "cyan" },
157  { QRGB( 0,255,255), "cyan1" },
158  { QRGB( 0,238,238), "cyan2" },
159  { QRGB( 0,205,205), "cyan3" },
160  { QRGB( 0,139,139), "cyan4" },
161  { QRGB( 0, 0,139), "darkblue" },
162  { QRGB( 0,139,139), "darkcyan" },
163  { QRGB(184,134, 11), "darkgoldenrod" },
164  { QRGB(255,185, 15), "darkgoldenrod1" },
165  { QRGB(238,173, 14), "darkgoldenrod2" },
166  { QRGB(205,149, 12), "darkgoldenrod3" },
167  { QRGB(139,101, 8), "darkgoldenrod4" },
168  { QRGB(169,169,169), "darkgray" },
169  { QRGB( 0,100, 0), "darkgreen" },
170  { QRGB(169,169,169), "darkgrey" },
171  { QRGB(189,183,107), "darkkhaki" },
172  { QRGB(139, 0,139), "darkmagenta" },
173  { QRGB( 85,107, 47), "darkolivegreen" },
174  { QRGB(202,255,112), "darkolivegreen1" },
175  { QRGB(188,238,104), "darkolivegreen2" },
176  { QRGB(162,205, 90), "darkolivegreen3" },
177  { QRGB(110,139, 61), "darkolivegreen4" },
178  { QRGB(255,140, 0), "darkorange" },
179  { QRGB(255,127, 0), "darkorange1" },
180  { QRGB(238,118, 0), "darkorange2" },
181  { QRGB(205,102, 0), "darkorange3" },
182  { QRGB(139, 69, 0), "darkorange4" },
183  { QRGB(153, 50,204), "darkorchid" },
184  { QRGB(191, 62,255), "darkorchid1" },
185  { QRGB(178, 58,238), "darkorchid2" },
186  { QRGB(154, 50,205), "darkorchid3" },
187  { QRGB(104, 34,139), "darkorchid4" },
188  { QRGB(139, 0, 0), "darkred" },
189  { QRGB(233,150,122), "darksalmon" },
190  { QRGB(143,188,143), "darkseagreen" },
191  { QRGB(193,255,193), "darkseagreen1" },
192  { QRGB(180,238,180), "darkseagreen2" },
193  { QRGB(155,205,155), "darkseagreen3" },
194  { QRGB(105,139,105), "darkseagreen4" },
195  { QRGB( 72, 61,139), "darkslateblue" },
196  { QRGB( 47, 79, 79), "darkslategray" },
197  { QRGB(151,255,255), "darkslategray1" },
198  { QRGB(141,238,238), "darkslategray2" },
199  { QRGB(121,205,205), "darkslategray3" },
200  { QRGB( 82,139,139), "darkslategray4" },
201  { QRGB( 47, 79, 79), "darkslategrey" },
202  { QRGB( 0,206,209), "darkturquoise" },
203  { QRGB(148, 0,211), "darkviolet" },
204  { QRGB(255, 20,147), "deeppink" },
205  { QRGB(255, 20,147), "deeppink1" },
206  { QRGB(238, 18,137), "deeppink2" },
207  { QRGB(205, 16,118), "deeppink3" },
208  { QRGB(139, 10, 80), "deeppink4" },
209  { QRGB( 0,191,255), "deepskyblue" },
210  { QRGB( 0,191,255), "deepskyblue1" },
211  { QRGB( 0,178,238), "deepskyblue2" },
212  { QRGB( 0,154,205), "deepskyblue3" },
213  { QRGB( 0,104,139), "deepskyblue4" },
214  { QRGB(105,105,105), "dimgray" },
215  { QRGB(105,105,105), "dimgrey" },
216  { QRGB( 30,144,255), "dodgerblue" },
217  { QRGB( 30,144,255), "dodgerblue1" },
218  { QRGB( 28,134,238), "dodgerblue2" },
219  { QRGB( 24,116,205), "dodgerblue3" },
220  { QRGB( 16, 78,139), "dodgerblue4" },
221  { QRGB(178, 34, 34), "firebrick" },
222  { QRGB(255, 48, 48), "firebrick1" },
223  { QRGB(238, 44, 44), "firebrick2" },
224  { QRGB(205, 38, 38), "firebrick3" },
225  { QRGB(139, 26, 26), "firebrick4" },
226  { QRGB(255,250,240), "floralwhite" },
227  { QRGB( 34,139, 34), "forestgreen" },
228  { QRGB(220,220,220), "gainsboro" },
229  { QRGB(248,248,255), "ghostwhite" },
230  { QRGB(255,215, 0), "gold" },
231  { QRGB(255,215, 0), "gold1" },
232  { QRGB(238,201, 0), "gold2" },
233  { QRGB(205,173, 0), "gold3" },
234  { QRGB(139,117, 0), "gold4" },
235  { QRGB(218,165, 32), "goldenrod" },
236  { QRGB(255,193, 37), "goldenrod1" },
237  { QRGB(238,180, 34), "goldenrod2" },
238  { QRGB(205,155, 29), "goldenrod3" },
239  { QRGB(139,105, 20), "goldenrod4" },
240  { QRGB(190,190,190), "gray" },
241  { QRGB( 0, 0, 0), "gray0" },
242  { QRGB( 3, 3, 3), "gray1" },
243  { QRGB( 26, 26, 26), "gray10" },
244  { QRGB(255,255,255), "gray100" },
245  { QRGB( 28, 28, 28), "gray11" },
246  { QRGB( 31, 31, 31), "gray12" },
247  { QRGB( 33, 33, 33), "gray13" },
248  { QRGB( 36, 36, 36), "gray14" },
249  { QRGB( 38, 38, 38), "gray15" },
250  { QRGB( 41, 41, 41), "gray16" },
251  { QRGB( 43, 43, 43), "gray17" },
252  { QRGB( 46, 46, 46), "gray18" },
253  { QRGB( 48, 48, 48), "gray19" },
254  { QRGB( 5, 5, 5), "gray2" },
255  { QRGB( 51, 51, 51), "gray20" },
256  { QRGB( 54, 54, 54), "gray21" },
257  { QRGB( 56, 56, 56), "gray22" },
258  { QRGB( 59, 59, 59), "gray23" },
259  { QRGB( 61, 61, 61), "gray24" },
260  { QRGB( 64, 64, 64), "gray25" },
261  { QRGB( 66, 66, 66), "gray26" },
262  { QRGB( 69, 69, 69), "gray27" },
263  { QRGB( 71, 71, 71), "gray28" },
264  { QRGB( 74, 74, 74), "gray29" },
265  { QRGB( 8, 8, 8), "gray3" },
266  { QRGB( 77, 77, 77), "gray30" },
267  { QRGB( 79, 79, 79), "gray31" },
268  { QRGB( 82, 82, 82), "gray32" },
269  { QRGB( 84, 84, 84), "gray33" },
270  { QRGB( 87, 87, 87), "gray34" },
271  { QRGB( 89, 89, 89), "gray35" },
272  { QRGB( 92, 92, 92), "gray36" },
273  { QRGB( 94, 94, 94), "gray37" },
274  { QRGB( 97, 97, 97), "gray38" },
275  { QRGB( 99, 99, 99), "gray39" },
276  { QRGB( 10, 10, 10), "gray4" },
277  { QRGB(102,102,102), "gray40" },
278  { QRGB(105,105,105), "gray41" },
279  { QRGB(107,107,107), "gray42" },
280  { QRGB(110,110,110), "gray43" },
281  { QRGB(112,112,112), "gray44" },
282  { QRGB(115,115,115), "gray45" },
283  { QRGB(117,117,117), "gray46" },
284  { QRGB(120,120,120), "gray47" },
285  { QRGB(122,122,122), "gray48" },
286  { QRGB(125,125,125), "gray49" },
287  { QRGB( 13, 13, 13), "gray5" },
288  { QRGB(127,127,127), "gray50" },
289  { QRGB(130,130,130), "gray51" },
290  { QRGB(133,133,133), "gray52" },
291  { QRGB(135,135,135), "gray53" },
292  { QRGB(138,138,138), "gray54" },
293  { QRGB(140,140,140), "gray55" },
294  { QRGB(143,143,143), "gray56" },
295  { QRGB(145,145,145), "gray57" },
296  { QRGB(148,148,148), "gray58" },
297  { QRGB(150,150,150), "gray59" },
298  { QRGB( 15, 15, 15), "gray6" },
299  { QRGB(153,153,153), "gray60" },
300  { QRGB(156,156,156), "gray61" },
301  { QRGB(158,158,158), "gray62" },
302  { QRGB(161,161,161), "gray63" },
303  { QRGB(163,163,163), "gray64" },
304  { QRGB(166,166,166), "gray65" },
305  { QRGB(168,168,168), "gray66" },
306  { QRGB(171,171,171), "gray67" },
307  { QRGB(173,173,173), "gray68" },
308  { QRGB(176,176,176), "gray69" },
309  { QRGB( 18, 18, 18), "gray7" },
310  { QRGB(179,179,179), "gray70" },
311  { QRGB(181,181,181), "gray71" },
312  { QRGB(184,184,184), "gray72" },
313  { QRGB(186,186,186), "gray73" },
314  { QRGB(189,189,189), "gray74" },
315  { QRGB(191,191,191), "gray75" },
316  { QRGB(194,194,194), "gray76" },
317  { QRGB(196,196,196), "gray77" },
318  { QRGB(199,199,199), "gray78" },
319  { QRGB(201,201,201), "gray79" },
320  { QRGB( 20, 20, 20), "gray8" },
321  { QRGB(204,204,204), "gray80" },
322  { QRGB(207,207,207), "gray81" },
323  { QRGB(209,209,209), "gray82" },
324  { QRGB(212,212,212), "gray83" },
325  { QRGB(214,214,214), "gray84" },
326  { QRGB(217,217,217), "gray85" },
327  { QRGB(219,219,219), "gray86" },
328  { QRGB(222,222,222), "gray87" },
329  { QRGB(224,224,224), "gray88" },
330  { QRGB(227,227,227), "gray89" },
331  { QRGB( 23, 23, 23), "gray9" },
332  { QRGB(229,229,229), "gray90" },
333  { QRGB(232,232,232), "gray91" },
334  { QRGB(235,235,235), "gray92" },
335  { QRGB(237,237,237), "gray93" },
336  { QRGB(240,240,240), "gray94" },
337  { QRGB(242,242,242), "gray95" },
338  { QRGB(245,245,245), "gray96" },
339  { QRGB(247,247,247), "gray97" },
340  { QRGB(250,250,250), "gray98" },
341  { QRGB(252,252,252), "gray99" },
342  { QRGB( 0,255, 0), "green" },
343  { QRGB( 0,255, 0), "green1" },
344  { QRGB( 0,238, 0), "green2" },
345  { QRGB( 0,205, 0), "green3" },
346  { QRGB( 0,139, 0), "green4" },
347  { QRGB(173,255, 47), "greenyellow" },
348  { QRGB(190,190,190), "grey" },
349  { QRGB( 0, 0, 0), "grey0" },
350  { QRGB( 3, 3, 3), "grey1" },
351  { QRGB( 26, 26, 26), "grey10" },
352  { QRGB(255,255,255), "grey100" },
353  { QRGB( 28, 28, 28), "grey11" },
354  { QRGB( 31, 31, 31), "grey12" },
355  { QRGB( 33, 33, 33), "grey13" },
356  { QRGB( 36, 36, 36), "grey14" },
357  { QRGB( 38, 38, 38), "grey15" },
358  { QRGB( 41, 41, 41), "grey16" },
359  { QRGB( 43, 43, 43), "grey17" },
360  { QRGB( 46, 46, 46), "grey18" },
361  { QRGB( 48, 48, 48), "grey19" },
362  { QRGB( 5, 5, 5), "grey2" },
363  { QRGB( 51, 51, 51), "grey20" },
364  { QRGB( 54, 54, 54), "grey21" },
365  { QRGB( 56, 56, 56), "grey22" },
366  { QRGB( 59, 59, 59), "grey23" },
367  { QRGB( 61, 61, 61), "grey24" },
368  { QRGB( 64, 64, 64), "grey25" },
369  { QRGB( 66, 66, 66), "grey26" },
370  { QRGB( 69, 69, 69), "grey27" },
371  { QRGB( 71, 71, 71), "grey28" },
372  { QRGB( 74, 74, 74), "grey29" },
373  { QRGB( 8, 8, 8), "grey3" },
374  { QRGB( 77, 77, 77), "grey30" },
375  { QRGB( 79, 79, 79), "grey31" },
376  { QRGB( 82, 82, 82), "grey32" },
377  { QRGB( 84, 84, 84), "grey33" },
378  { QRGB( 87, 87, 87), "grey34" },
379  { QRGB( 89, 89, 89), "grey35" },
380  { QRGB( 92, 92, 92), "grey36" },
381  { QRGB( 94, 94, 94), "grey37" },
382  { QRGB( 97, 97, 97), "grey38" },
383  { QRGB( 99, 99, 99), "grey39" },
384  { QRGB( 10, 10, 10), "grey4" },
385  { QRGB(102,102,102), "grey40" },
386  { QRGB(105,105,105), "grey41" },
387  { QRGB(107,107,107), "grey42" },
388  { QRGB(110,110,110), "grey43" },
389  { QRGB(112,112,112), "grey44" },
390  { QRGB(115,115,115), "grey45" },
391  { QRGB(117,117,117), "grey46" },
392  { QRGB(120,120,120), "grey47" },
393  { QRGB(122,122,122), "grey48" },
394  { QRGB(125,125,125), "grey49" },
395  { QRGB( 13, 13, 13), "grey5" },
396  { QRGB(127,127,127), "grey50" },
397  { QRGB(130,130,130), "grey51" },
398  { QRGB(133,133,133), "grey52" },
399  { QRGB(135,135,135), "grey53" },
400  { QRGB(138,138,138), "grey54" },
401  { QRGB(140,140,140), "grey55" },
402  { QRGB(143,143,143), "grey56" },
403  { QRGB(145,145,145), "grey57" },
404  { QRGB(148,148,148), "grey58" },
405  { QRGB(150,150,150), "grey59" },
406  { QRGB( 15, 15, 15), "grey6" },
407  { QRGB(153,153,153), "grey60" },
408  { QRGB(156,156,156), "grey61" },
409  { QRGB(158,158,158), "grey62" },
410  { QRGB(161,161,161), "grey63" },
411  { QRGB(163,163,163), "grey64" },
412  { QRGB(166,166,166), "grey65" },
413  { QRGB(168,168,168), "grey66" },
414  { QRGB(171,171,171), "grey67" },
415  { QRGB(173,173,173), "grey68" },
416  { QRGB(176,176,176), "grey69" },
417  { QRGB( 18, 18, 18), "grey7" },
418  { QRGB(179,179,179), "grey70" },
419  { QRGB(181,181,181), "grey71" },
420  { QRGB(184,184,184), "grey72" },
421  { QRGB(186,186,186), "grey73" },
422  { QRGB(189,189,189), "grey74" },
423  { QRGB(191,191,191), "grey75" },
424  { QRGB(194,194,194), "grey76" },
425  { QRGB(196,196,196), "grey77" },
426  { QRGB(199,199,199), "grey78" },
427  { QRGB(201,201,201), "grey79" },
428  { QRGB( 20, 20, 20), "grey8" },
429  { QRGB(204,204,204), "grey80" },
430  { QRGB(207,207,207), "grey81" },
431  { QRGB(209,209,209), "grey82" },
432  { QRGB(212,212,212), "grey83" },
433  { QRGB(214,214,214), "grey84" },
434  { QRGB(217,217,217), "grey85" },
435  { QRGB(219,219,219), "grey86" },
436  { QRGB(222,222,222), "grey87" },
437  { QRGB(224,224,224), "grey88" },
438  { QRGB(227,227,227), "grey89" },
439  { QRGB( 23, 23, 23), "grey9" },
440  { QRGB(229,229,229), "grey90" },
441  { QRGB(232,232,232), "grey91" },
442  { QRGB(235,235,235), "grey92" },
443  { QRGB(237,237,237), "grey93" },
444  { QRGB(240,240,240), "grey94" },
445  { QRGB(242,242,242), "grey95" },
446  { QRGB(245,245,245), "grey96" },
447  { QRGB(247,247,247), "grey97" },
448  { QRGB(250,250,250), "grey98" },
449  { QRGB(252,252,252), "grey99" },
450  { QRGB(240,255,240), "honeydew" },
451  { QRGB(240,255,240), "honeydew1" },
452  { QRGB(224,238,224), "honeydew2" },
453  { QRGB(193,205,193), "honeydew3" },
454  { QRGB(131,139,131), "honeydew4" },
455  { QRGB(255,105,180), "hotpink" },
456  { QRGB(255,110,180), "hotpink1" },
457  { QRGB(238,106,167), "hotpink2" },
458  { QRGB(205, 96,144), "hotpink3" },
459  { QRGB(139, 58, 98), "hotpink4" },
460  { QRGB(205, 92, 92), "indianred" },
461  { QRGB(255,106,106), "indianred1" },
462  { QRGB(238, 99, 99), "indianred2" },
463  { QRGB(205, 85, 85), "indianred3" },
464  { QRGB(139, 58, 58), "indianred4" },
465  { QRGB(255,255,240), "ivory" },
466  { QRGB(255,255,240), "ivory1" },
467  { QRGB(238,238,224), "ivory2" },
468  { QRGB(205,205,193), "ivory3" },
469  { QRGB(139,139,131), "ivory4" },
470  { QRGB(240,230,140), "khaki" },
471  { QRGB(255,246,143), "khaki1" },
472  { QRGB(238,230,133), "khaki2" },
473  { QRGB(205,198,115), "khaki3" },
474  { QRGB(139,134, 78), "khaki4" },
475  { QRGB(230,230,250), "lavender" },
476  { QRGB(255,240,245), "lavenderblush" },
477  { QRGB(255,240,245), "lavenderblush1" },
478  { QRGB(238,224,229), "lavenderblush2" },
479  { QRGB(205,193,197), "lavenderblush3" },
480  { QRGB(139,131,134), "lavenderblush4" },
481  { QRGB(124,252, 0), "lawngreen" },
482  { QRGB(255,250,205), "lemonchiffon" },
483  { QRGB(255,250,205), "lemonchiffon1" },
484  { QRGB(238,233,191), "lemonchiffon2" },
485  { QRGB(205,201,165), "lemonchiffon3" },
486  { QRGB(139,137,112), "lemonchiffon4" },
487  { QRGB(173,216,230), "lightblue" },
488  { QRGB(191,239,255), "lightblue1" },
489  { QRGB(178,223,238), "lightblue2" },
490  { QRGB(154,192,205), "lightblue3" },
491  { QRGB(104,131,139), "lightblue4" },
492  { QRGB(240,128,128), "lightcoral" },
493  { QRGB(224,255,255), "lightcyan" },
494  { QRGB(224,255,255), "lightcyan1" },
495  { QRGB(209,238,238), "lightcyan2" },
496  { QRGB(180,205,205), "lightcyan3" },
497  { QRGB(122,139,139), "lightcyan4" },
498  { QRGB(238,221,130), "lightgoldenrod" },
499  { QRGB(255,236,139), "lightgoldenrod1" },
500  { QRGB(238,220,130), "lightgoldenrod2" },
501  { QRGB(205,190,112), "lightgoldenrod3" },
502  { QRGB(139,129, 76), "lightgoldenrod4" },
503  { QRGB(250,250,210), "lightgoldenrodyellow" },
504  { QRGB(211,211,211), "lightgray" },
505  { QRGB(144,238,144), "lightgreen" },
506  { QRGB(211,211,211), "lightgrey" },
507  { QRGB(255,182,193), "lightpink" },
508  { QRGB(255,174,185), "lightpink1" },
509  { QRGB(238,162,173), "lightpink2" },
510  { QRGB(205,140,149), "lightpink3" },
511  { QRGB(139, 95,101), "lightpink4" },
512  { QRGB(255,160,122), "lightsalmon" },
513  { QRGB(255,160,122), "lightsalmon1" },
514  { QRGB(238,149,114), "lightsalmon2" },
515  { QRGB(205,129, 98), "lightsalmon3" },
516  { QRGB(139, 87, 66), "lightsalmon4" },
517  { QRGB( 32,178,170), "lightseagreen" },
518  { QRGB(135,206,250), "lightskyblue" },
519  { QRGB(176,226,255), "lightskyblue1" },
520  { QRGB(164,211,238), "lightskyblue2" },
521  { QRGB(141,182,205), "lightskyblue3" },
522  { QRGB( 96,123,139), "lightskyblue4" },
523  { QRGB(132,112,255), "lightslateblue" },
524  { QRGB(119,136,153), "lightslategray" },
525  { QRGB(119,136,153), "lightslategrey" },
526  { QRGB(176,196,222), "lightsteelblue" },
527  { QRGB(202,225,255), "lightsteelblue1" },
528  { QRGB(188,210,238), "lightsteelblue2" },
529  { QRGB(162,181,205), "lightsteelblue3" },
530  { QRGB(110,123,139), "lightsteelblue4" },
531  { QRGB(255,255,224), "lightyellow" },
532  { QRGB(255,255,224), "lightyellow1" },
533  { QRGB(238,238,209), "lightyellow2" },
534  { QRGB(205,205,180), "lightyellow3" },
535  { QRGB(139,139,122), "lightyellow4" },
536  { QRGB( 50,205, 50), "limegreen" },
537  { QRGB(250,240,230), "linen" },
538  { QRGB(255, 0,255), "magenta" },
539  { QRGB(255, 0,255), "magenta1" },
540  { QRGB(238, 0,238), "magenta2" },
541  { QRGB(205, 0,205), "magenta3" },
542  { QRGB(139, 0,139), "magenta4" },
543  { QRGB(176, 48, 96), "maroon" },
544  { QRGB(255, 52,179), "maroon1" },
545  { QRGB(238, 48,167), "maroon2" },
546  { QRGB(205, 41,144), "maroon3" },
547  { QRGB(139, 28, 98), "maroon4" },
548  { QRGB(102,205,170), "mediumaquamarine" },
549  { QRGB( 0, 0,205), "mediumblue" },
550  { QRGB(186, 85,211), "mediumorchid" },
551  { QRGB(224,102,255), "mediumorchid1" },
552  { QRGB(209, 95,238), "mediumorchid2" },
553  { QRGB(180, 82,205), "mediumorchid3" },
554  { QRGB(122, 55,139), "mediumorchid4" },
555  { QRGB(147,112,219), "mediumpurple" },
556  { QRGB(171,130,255), "mediumpurple1" },
557  { QRGB(159,121,238), "mediumpurple2" },
558  { QRGB(137,104,205), "mediumpurple3" },
559  { QRGB( 93, 71,139), "mediumpurple4" },
560  { QRGB( 60,179,113), "mediumseagreen" },
561  { QRGB(123,104,238), "mediumslateblue" },
562  { QRGB( 0,250,154), "mediumspringgreen" },
563  { QRGB( 72,209,204), "mediumturquoise" },
564  { QRGB(199, 21,133), "mediumvioletred" },
565  { QRGB( 25, 25,112), "midnightblue" },
566  { QRGB(245,255,250), "mintcream" },
567  { QRGB(255,228,225), "mistyrose" },
568  { QRGB(255,228,225), "mistyrose1" },
569  { QRGB(238,213,210), "mistyrose2" },
570  { QRGB(205,183,181), "mistyrose3" },
571  { QRGB(139,125,123), "mistyrose4" },
572  { QRGB(255,228,181), "moccasin" },
573  { QRGB(255,222,173), "navajowhite" },
574  { QRGB(255,222,173), "navajowhite1" },
575  { QRGB(238,207,161), "navajowhite2" },
576  { QRGB(205,179,139), "navajowhite3" },
577  { QRGB(139,121, 94), "navajowhite4" },
578  { QRGB( 0, 0,128), "navy" },
579  { QRGB( 0, 0,128), "navyblue" },
580  { QRGB(253,245,230), "oldlace" },
581  { QRGB(107,142, 35), "olivedrab" },
582  { QRGB(192,255, 62), "olivedrab1" },
583  { QRGB(179,238, 58), "olivedrab2" },
584  { QRGB(154,205, 50), "olivedrab3" },
585  { QRGB(105,139, 34), "olivedrab4" },
586  { QRGB(255,165, 0), "orange" },
587  { QRGB(255,165, 0), "orange1" },
588  { QRGB(238,154, 0), "orange2" },
589  { QRGB(205,133, 0), "orange3" },
590  { QRGB(139, 90, 0), "orange4" },
591  { QRGB(255, 69, 0), "orangered" },
592  { QRGB(255, 69, 0), "orangered1" },
593  { QRGB(238, 64, 0), "orangered2" },
594  { QRGB(205, 55, 0), "orangered3" },
595  { QRGB(139, 37, 0), "orangered4" },
596  { QRGB(218,112,214), "orchid" },
597  { QRGB(255,131,250), "orchid1" },
598  { QRGB(238,122,233), "orchid2" },
599  { QRGB(205,105,201), "orchid3" },
600  { QRGB(139, 71,137), "orchid4" },
601  { QRGB(238,232,170), "palegoldenrod" },
602  { QRGB(152,251,152), "palegreen" },
603  { QRGB(154,255,154), "palegreen1" },
604  { QRGB(144,238,144), "palegreen2" },
605  { QRGB(124,205,124), "palegreen3" },
606  { QRGB( 84,139, 84), "palegreen4" },
607  { QRGB(175,238,238), "paleturquoise" },
608  { QRGB(187,255,255), "paleturquoise1" },
609  { QRGB(174,238,238), "paleturquoise2" },
610  { QRGB(150,205,205), "paleturquoise3" },
611  { QRGB(102,139,139), "paleturquoise4" },
612  { QRGB(219,112,147), "palevioletred" },
613  { QRGB(255,130,171), "palevioletred1" },
614  { QRGB(238,121,159), "palevioletred2" },
615  { QRGB(205,104,137), "palevioletred3" },
616  { QRGB(139, 71, 93), "palevioletred4" },
617  { QRGB(255,239,213), "papayawhip" },
618  { QRGB(255,218,185), "peachpuff" },
619  { QRGB(255,218,185), "peachpuff1" },
620  { QRGB(238,203,173), "peachpuff2" },
621  { QRGB(205,175,149), "peachpuff3" },
622  { QRGB(139,119,101), "peachpuff4" },
623  { QRGB(205,133, 63), "peru" },
624  { QRGB(255,192,203), "pink" },
625  { QRGB(255,181,197), "pink1" },
626  { QRGB(238,169,184), "pink2" },
627  { QRGB(205,145,158), "pink3" },
628  { QRGB(139, 99,108), "pink4" },
629  { QRGB(221,160,221), "plum" },
630  { QRGB(255,187,255), "plum1" },
631  { QRGB(238,174,238), "plum2" },
632  { QRGB(205,150,205), "plum3" },
633  { QRGB(139,102,139), "plum4" },
634  { QRGB(176,224,230), "powderblue" },
635  { QRGB(160, 32,240), "purple" },
636  { QRGB(155, 48,255), "purple1" },
637  { QRGB(145, 44,238), "purple2" },
638  { QRGB(125, 38,205), "purple3" },
639  { QRGB( 85, 26,139), "purple4" },
640  { QRGB(255, 0, 0), "red" },
641  { QRGB(255, 0, 0), "red1" },
642  { QRGB(238, 0, 0), "red2" },
643  { QRGB(205, 0, 0), "red3" },
644  { QRGB(139, 0, 0), "red4" },
645  { QRGB(188,143,143), "rosybrown" },
646  { QRGB(255,193,193), "rosybrown1" },
647  { QRGB(238,180,180), "rosybrown2" },
648  { QRGB(205,155,155), "rosybrown3" },
649  { QRGB(139,105,105), "rosybrown4" },
650  { QRGB( 65,105,225), "royalblue" },
651  { QRGB( 72,118,255), "royalblue1" },
652  { QRGB( 67,110,238), "royalblue2" },
653  { QRGB( 58, 95,205), "royalblue3" },
654  { QRGB( 39, 64,139), "royalblue4" },
655  { QRGB(139, 69, 19), "saddlebrown" },
656  { QRGB(250,128,114), "salmon" },
657  { QRGB(255,140,105), "salmon1" },
658  { QRGB(238,130, 98), "salmon2" },
659  { QRGB(205,112, 84), "salmon3" },
660  { QRGB(139, 76, 57), "salmon4" },
661  { QRGB(244,164, 96), "sandybrown" },
662  { QRGB( 46,139, 87), "seagreen" },
663  { QRGB( 84,255,159), "seagreen1" },
664  { QRGB( 78,238,148), "seagreen2" },
665  { QRGB( 67,205,128), "seagreen3" },
666  { QRGB( 46,139, 87), "seagreen4" },
667  { QRGB(255,245,238), "seashell" },
668  { QRGB(255,245,238), "seashell1" },
669  { QRGB(238,229,222), "seashell2" },
670  { QRGB(205,197,191), "seashell3" },
671  { QRGB(139,134,130), "seashell4" },
672  { QRGB(160, 82, 45), "sienna" },
673  { QRGB(255,130, 71), "sienna1" },
674  { QRGB(238,121, 66), "sienna2" },
675  { QRGB(205,104, 57), "sienna3" },
676  { QRGB(139, 71, 38), "sienna4" },
677  { QRGB(135,206,235), "skyblue" },
678  { QRGB(135,206,255), "skyblue1" },
679  { QRGB(126,192,238), "skyblue2" },
680  { QRGB(108,166,205), "skyblue3" },
681  { QRGB( 74,112,139), "skyblue4" },
682  { QRGB(106, 90,205), "slateblue" },
683  { QRGB(131,111,255), "slateblue1" },
684  { QRGB(122,103,238), "slateblue2" },
685  { QRGB(105, 89,205), "slateblue3" },
686  { QRGB( 71, 60,139), "slateblue4" },
687  { QRGB(112,128,144), "slategray" },
688  { QRGB(198,226,255), "slategray1" },
689  { QRGB(185,211,238), "slategray2" },
690  { QRGB(159,182,205), "slategray3" },
691  { QRGB(108,123,139), "slategray4" },
692  { QRGB(112,128,144), "slategrey" },
693  { QRGB(255,250,250), "snow" },
694  { QRGB(255,250,250), "snow1" },
695  { QRGB(238,233,233), "snow2" },
696  { QRGB(205,201,201), "snow3" },
697  { QRGB(139,137,137), "snow4" },
698  { QRGB( 0,255,127), "springgreen" },
699  { QRGB( 0,255,127), "springgreen1" },
700  { QRGB( 0,238,118), "springgreen2" },
701  { QRGB( 0,205,102), "springgreen3" },
702  { QRGB( 0,139, 69), "springgreen4" },
703  { QRGB( 70,130,180), "steelblue" },
704  { QRGB( 99,184,255), "steelblue1" },
705  { QRGB( 92,172,238), "steelblue2" },
706  { QRGB( 79,148,205), "steelblue3" },
707  { QRGB( 54,100,139), "steelblue4" },
708  { QRGB(210,180,140), "tan" },
709  { QRGB(255,165, 79), "tan1" },
710  { QRGB(238,154, 73), "tan2" },
711  { QRGB(205,133, 63), "tan3" },
712  { QRGB(139, 90, 43), "tan4" },
713  { QRGB(216,191,216), "thistle" },
714  { QRGB(255,225,255), "thistle1" },
715  { QRGB(238,210,238), "thistle2" },
716  { QRGB(205,181,205), "thistle3" },
717  { QRGB(139,123,139), "thistle4" },
718  { QRGB(255, 99, 71), "tomato" },
719  { QRGB(255, 99, 71), "tomato1" },
720  { QRGB(238, 92, 66), "tomato2" },
721  { QRGB(205, 79, 57), "tomato3" },
722  { QRGB(139, 54, 38), "tomato4" },
723  { QRGB( 64,224,208), "turquoise" },
724  { QRGB( 0,245,255), "turquoise1" },
725  { QRGB( 0,229,238), "turquoise2" },
726  { QRGB( 0,197,205), "turquoise3" },
727  { QRGB( 0,134,139), "turquoise4" },
728  { QRGB(238,130,238), "violet" },
729  { QRGB(208, 32,144), "violetred" },
730  { QRGB(255, 62,150), "violetred1" },
731  { QRGB(238, 58,140), "violetred2" },
732  { QRGB(205, 50,120), "violetred3" },
733  { QRGB(139, 34, 82), "violetred4" },
734  { QRGB(245,222,179), "wheat" },
735  { QRGB(255,231,186), "wheat1" },
736  { QRGB(238,216,174), "wheat2" },
737  { QRGB(205,186,150), "wheat3" },
738  { QRGB(139,126,102), "wheat4" },
739  { QRGB(255,255,255), "white" },
740  { QRGB(245,245,245), "whitesmoke" },
741  { QRGB(255,255, 0), "yellow" },
742  { QRGB(255,255, 0), "yellow1" },
743  { QRGB(238,238, 0), "yellow2" },
744  { QRGB(205,205, 0), "yellow3" },
745  { QRGB(139,139, 0), "yellow4" },
746  { QRGB(154,205, 50), "yellowgreen" } };
747 
748 inline bool operator<(const char *name, const XPMRGBData &data)
749 { return qstrcmp(name, data.name) < 0; }
750 inline bool operator<(const XPMRGBData &data, const char *name)
751 { return qstrcmp(data.name, name) < 0; }
752 
753 static inline bool qt_get_named_xpm_rgb(const char *name_no_space, QRgb *rgb)
754 {
755  const XPMRGBData *r = qBinaryFind(xpmRgbTbl, xpmRgbTbl + xpmRgbTblSize, name_no_space);
756  if (r != xpmRgbTbl + xpmRgbTblSize) {
757  *rgb = r->value;
758  return true;
759  } else {
760  return false;
761  }
762 }
763 
764 /*****************************************************************************
765  Misc. utility functions
766  *****************************************************************************/
767 static QString fbname(const QString &fileName) // get file basename (sort of)
768 {
769  QString s = fileName;
770  if (!s.isEmpty()) {
771  int i;
772  if ((i = s.lastIndexOf(QLatin1Char('/'))) >= 0)
773  s = s.mid(i);
774  if ((i = s.lastIndexOf(QLatin1Char('\\'))) >= 0)
775  s = s.mid(i);
776  QRegExp r(QLatin1String("[a-zA-Z][a-zA-Z0-9_]*"));
777  int p = r.indexIn(s);
778  if (p == -1)
779  s.clear();
780  else
781  s = s.mid(p, r.matchedLength());
782  }
783  if (s.isEmpty())
784  s = QString::fromLatin1("dummy");
785  return s;
786 }
787 
788 // Skip until ", read until the next ", return the rest in *buf
789 // Returns false on error, true on success
790 
791 static bool read_xpm_string(QByteArray &buf, QIODevice *d, const char * const *source, int &index,
792  QByteArray &state)
793 {
794  if (source) {
795  buf = source[index++];
796  return true;
797  }
798 
799  buf = "";
800  bool gotQuote = false;
801  int offset = 0;
802  forever {
803  if (offset == state.size() || state.isEmpty()) {
804  char buf[2048];
805  qint64 bytesRead = d->read(buf, sizeof(buf));
806  if (bytesRead <= 0)
807  return false;
808  state = QByteArray(buf, int(bytesRead));
809  offset = 0;
810  }
811 
812  if (!gotQuote) {
813  if (state.at(offset++) == '"')
814  gotQuote = true;
815  } else {
816  char c = state.at(offset++);
817  if (c == '"')
818  break;
819  buf += c;
820  }
821  }
822  state.remove(0, offset);
823  return true;
824 }
825 
826 // Tests if the given prefix can be the start of an XPM color specification
827 
828 static bool is_xpm_color_spec_prefix(const QByteArray& prefix)
829 {
830  return prefix == "c" ||
831  prefix == "g" ||
832  prefix == "g4" ||
833  prefix == "m" ||
834  prefix == "s";
835 }
836 
837 // Reads XPM header.
838 
839 static bool read_xpm_header(
840  QIODevice *device, const char * const * source, int& index, QByteArray &state,
841  int *cpp, int *ncols, int *w, int *h)
842 {
843  QByteArray buf(200, 0);
844 
845  if (!read_xpm_string(buf, device, source, index, state))
846  return false;
847 
848 #if defined(_MSC_VER) && _MSC_VER >= 1400 && !defined(Q_OS_WINCE)
849  if (sscanf_s(buf, "%d %d %d %d", w, h, ncols, cpp) < 4)
850 #else
851  if (sscanf(buf, "%d %d %d %d", w, h, ncols, cpp) < 4)
852 #endif
853  return false; // < 4 numbers parsed
854 
855  return true;
856 }
857 
858 // Reads XPM body (color information & pixels).
859 
860 static bool read_xpm_body(
861  QIODevice *device, const char * const * source, int& index, QByteArray& state,
862  int cpp, int ncols, int w, int h, QImage& image)
863 {
864  QByteArray buf(200, 0);
865  int i;
866 
867  if (cpp < 0 || cpp > 15)
868  return false;
869 
870  // For > 256 colors, we delay creation of the image until
871  // after we have read the color specifications, so that we can
872  // create it in correct format (Format_RGB32 vs Format_ARGB32,
873  // depending on absence or presence of "c none", respectively)
874  if (ncols <= 256) {
875  if (image.size() != QSize(w, h) || image.format() != QImage::Format_Indexed8) {
876  image = QImage(w, h, QImage::Format_Indexed8);
877  if (image.isNull())
878  return false;
879  }
880  image.setColorCount(ncols);
881  }
882 
883  QMap<quint64, int> colorMap;
884  int currentColor;
885  bool hasTransparency = false;
886 
887  for(currentColor=0; currentColor < ncols; ++currentColor) {
888  if (!read_xpm_string(buf, device, source, index, state)) {
889  qWarning("QImage: XPM color specification missing");
890  return false;
891  }
893  index = buf.left(cpp);
894  buf = buf.mid(cpp).simplified().trimmed().toLower();
895  QList<QByteArray> tokens = buf.split(' ');
896  i = tokens.indexOf("c");
897  if (i < 0)
898  i = tokens.indexOf("g");
899  if (i < 0)
900  i = tokens.indexOf("g4");
901  if (i < 0)
902  i = tokens.indexOf("m");
903  if (i < 0) {
904  qWarning("QImage: XPM color specification is missing: %s", buf.constData());
905  return false; // no c/g/g4/m specification at all
906  }
907  QByteArray color;
908  while ((++i < tokens.size()) && !is_xpm_color_spec_prefix(tokens.at(i))) {
909  color.append(tokens.at(i));
910  }
911  if (color.isEmpty()) {
912  qWarning("QImage: XPM color value is missing from specification: %s", buf.constData());
913  return false; // no color value
914  }
915  buf = color;
916  if (buf == "none") {
917  hasTransparency = true;
918  int transparentColor = currentColor;
919  if (ncols <= 256) {
920  image.setColor(transparentColor, 0);
921  colorMap.insert(xpmHash(QLatin1String(index.constData())), transparentColor);
922  } else {
923  colorMap.insert(xpmHash(QLatin1String(index.constData())), 0);
924  }
925  } else {
926  QRgb c_rgb;
927  if (((buf.length()-1) % 3) && (buf[0] == '#')) {
928  buf.truncate(((buf.length()-1) / 4 * 3) + 1); // remove alpha channel left by imagemagick
929  }
930  if (buf[0] == '#') {
931  qt_get_hex_rgb(buf, &c_rgb);
932  } else {
933  qt_get_named_xpm_rgb(buf, &c_rgb);
934  }
935  if (ncols <= 256) {
936  image.setColor(currentColor, 0xff000000 | c_rgb);
937  colorMap.insert(xpmHash(QLatin1String(index.constData())), currentColor);
938  } else {
939  colorMap.insert(xpmHash(QLatin1String(index.constData())), 0xff000000 | c_rgb);
940  }
941  }
942  }
943 
944  if (ncols > 256) {
945  // Now we can create 32-bit image of appropriate format
946  QImage::Format format = hasTransparency ?
948  if (image.size() != QSize(w, h) || image.format() != format) {
949  image = QImage(w, h, format);
950  if (image.isNull())
951  return false;
952  }
953  }
954 
955  // Read pixels
956  for(int y=0; y<h; y++) {
957  if (!read_xpm_string(buf, device, source, index, state)) {
958  qWarning("QImage: XPM pixels missing on image line %d", y);
959  return false;
960  }
961  if (image.depth() == 8) {
962  uchar *p = image.scanLine(y);
963  uchar *d = (uchar *)buf.data();
964  uchar *end = d + buf.length();
965  int x;
966  if (cpp == 1) {
967  char b[2];
968  b[1] = '\0';
969  for (x=0; x<w && d<end; x++) {
970  b[0] = *d++;
971  *p++ = (uchar)colorMap[xpmHash(b)];
972  }
973  } else {
974  char b[16];
975  b[cpp] = '\0';
976  for (x=0; x<w && d<end; x++) {
977  memcpy(b, (char *)d, cpp);
978  *p++ = (uchar)colorMap[xpmHash(b)];
979  d += cpp;
980  }
981  }
982  // avoid uninitialized memory for malformed xpms
983  if (x < w) {
984  qWarning("QImage: XPM pixels missing on image line %d (possibly a C++ trigraph).", y);
985  memset(p, 0, w - x);
986  }
987  } else {
988  QRgb *p = (QRgb*)image.scanLine(y);
989  uchar *d = (uchar *)buf.data();
990  uchar *end = d + buf.length();
991  int x;
992  char b[16];
993  b[cpp] = '\0';
994  for (x=0; x<w && d<end; x++) {
995  memcpy(b, (char *)d, cpp);
996  *p++ = (QRgb)colorMap[xpmHash(b)];
997  d += cpp;
998  }
999  // avoid uninitialized memory for malformed xpms
1000  if (x < w) {
1001  qWarning("QImage: XPM pixels missing on image line %d (possibly a C++ trigraph).", y);
1002  memset(p, 0, (w - x)*4);
1003  }
1004  }
1005  }
1006 
1007  if (device) {
1008  // Rewind unused characters, and skip to the end of the XPM struct.
1009  for (int i = state.size() - 1; i >= 0; --i)
1010  device->ungetChar(state[i]);
1011  char c;
1012  while (device->getChar(&c) && c != ';') {}
1013  while (device->getChar(&c) && c != '\n') {}
1014  }
1015  return true;
1016 }
1017 
1018 //
1019 // INTERNAL
1020 //
1021 // Reads an .xpm from either the QImageIO or from the QString *.
1022 // One of the two HAS to be 0, the other one is used.
1023 //
1024 
1025 bool qt_read_xpm_image_or_array(QIODevice *device, const char * const * source, QImage &image)
1026 {
1027  if (!source)
1028  return true;
1029 
1030  QByteArray buf(200, 0);
1031  QByteArray state;
1032 
1033  int cpp, ncols, w, h, index = 0;
1034 
1035  if (device) {
1036  // "/* XPM */"
1037  int readBytes;
1038  if ((readBytes = device->readLine(buf.data(), buf.size())) < 0)
1039  return false;
1040 
1041  if (buf.indexOf("/* XPM") != 0) {
1042  while (readBytes > 0) {
1043  device->ungetChar(buf.at(readBytes - 1));
1044  --readBytes;
1045  }
1046  return false;
1047  }// bad magic
1048  }
1049 
1050  if (!read_xpm_header(device, source, index, state, &cpp, &ncols, &w, &h))
1051  return false;
1052 
1053  return read_xpm_body(device, source, index, state, cpp, ncols, w, h, image);
1054 }
1055 
1056 static const char* xpm_color_name(int cpp, int index)
1057 {
1058  static char returnable[5];
1059  static const char code[] = ".#abcdefghijklmnopqrstuvwxyzABCD"
1060  "EFGHIJKLMNOPQRSTUVWXYZ0123456789";
1061  // cpp is limited to 4 and index is limited to 64^cpp
1062  if (cpp > 1) {
1063  if (cpp > 2) {
1064  if (cpp > 3) {
1065  returnable[3] = code[index % 64];
1066  index /= 64;
1067  } else
1068  returnable[3] = '\0';
1069  returnable[2] = code[index % 64];
1070  index /= 64;
1071  } else
1072  returnable[2] = '\0';
1073  // the following 4 lines are a joke!
1074  if (index == 0)
1075  index = 64*44+21;
1076  else if (index == 64*44+21)
1077  index = 0;
1078  returnable[1] = code[index % 64];
1079  index /= 64;
1080  } else
1081  returnable[1] = '\0';
1082  returnable[0] = code[index];
1083 
1084  return returnable;
1085 }
1086 
1087 
1088 // write XPM image data
1089 static bool write_xpm_image(const QImage &sourceImage, QIODevice *device, const QString &fileName)
1090 {
1091  if (!device->isWritable())
1092  return false;
1093 
1094  QImage image;
1095  if (sourceImage.depth() != 32)
1096  image = sourceImage.convertToFormat(QImage::Format_RGB32);
1097  else
1098  image = sourceImage;
1099 
1100  QMap<QRgb, int> colorMap;
1101 
1102  int w = image.width(), h = image.height(), ncolors = 0;
1103  int x, y;
1104 
1105  // build color table
1106  for(y=0; y<h; y++) {
1107  QRgb * yp = (QRgb *)image.scanLine(y);
1108  for(x=0; x<w; x++) {
1109  QRgb color = *(yp + x);
1110  if (!colorMap.contains(color))
1111  colorMap.insert(color, ncolors++);
1112  }
1113  }
1114 
1115  // number of 64-bit characters per pixel needed to encode all colors
1116  int cpp = 1;
1117  for (int k = 64; ncolors > k; k *= 64) {
1118  ++cpp;
1119  // limit to 4 characters per pixel
1120  // 64^4 colors is enough for a 4096x4096 image
1121  if (cpp > 4)
1122  break;
1123  }
1124 
1125  QString line;
1126 
1127  // write header
1128  QTextStream s(device);
1129  s << "/* XPM */" << endl
1130  << "static char *" << fbname(fileName) << "[]={" << endl
1131  << '\"' << w << ' ' << h << ' ' << ncolors << ' ' << cpp << '\"';
1132 
1133  // write palette
1134  QMap<QRgb, int>::Iterator c = colorMap.begin();
1135  while (c != colorMap.end()) {
1136  QRgb color = c.key();
1137  if (image.format() != QImage::Format_RGB32 && !qAlpha(color))
1138  line.sprintf("\"%s c None\"",
1139  xpm_color_name(cpp, *c));
1140  else
1141  line.sprintf("\"%s c #%02x%02x%02x\"",
1142  xpm_color_name(cpp, *c),
1143  qRed(color),
1144  qGreen(color),
1145  qBlue(color));
1146  ++c;
1147  s << ',' << endl << line;
1148  }
1149 
1150  // write pixels, limit to 4 characters per pixel
1151  line.truncate(cpp*w);
1152  for(y=0; y<h; y++) {
1153  QRgb * yp = (QRgb *) image.scanLine(y);
1154  int cc = 0;
1155  for(x=0; x<w; x++) {
1156  int color = (int)(*(yp + x));
1157  QByteArray chars(xpm_color_name(cpp, colorMap[color]));
1158  line[cc++] = QLatin1Char(chars[0]);
1159  if (cpp > 1) {
1160  line[cc++] = QLatin1Char(chars[1]);
1161  if (cpp > 2) {
1162  line[cc++] = QLatin1Char(chars[2]);
1163  if (cpp > 3) {
1164  line[cc++] = QLatin1Char(chars[3]);
1165  }
1166  }
1167  }
1168  }
1169  s << ',' << endl << '\"' << line << '\"';
1170  }
1171  s << "};" << endl;
1172  return (s.status() == QTextStream::Ok);
1173 }
1174 
1176  : state(Ready), index(0)
1177 {
1178 }
1179 
1181 {
1182  state = Error;
1183  if (!read_xpm_header(device(), 0, index, buffer, &cpp, &ncols, &width, &height))
1184  return false;
1185  state = ReadHeader;
1186  return true;
1187 }
1188 
1190 {
1191  if (state == Error)
1192  return false;
1193 
1194  if (state == Ready && !readHeader()) {
1195  state = Error;
1196  return false;
1197  }
1198 
1199  if (!read_xpm_body(device(), 0, index, buffer, cpp, ncols, width, height, *image)) {
1200  state = Error;
1201  return false;
1202  }
1203 
1204  state = Ready;
1205  return true;
1206 }
1207 
1209 {
1210  if (state == Ready && !canRead(device()))
1211  return false;
1212 
1213  if (state != Error) {
1214  setFormat("xpm");
1215  return true;
1216  }
1217 
1218  return false;
1219 }
1220 
1222 {
1223  if (!device) {
1224  qWarning("QXpmHandler::canRead() called with no device");
1225  return false;
1226  }
1227 
1228  char head[6];
1229  if (device->peek(head, sizeof(head)) != sizeof(head))
1230  return false;
1231 
1232  return qstrncmp(head, "/* XPM", 6) == 0;
1233 }
1234 
1236 {
1237  if (!canRead())
1238  return false;
1239  return readImage(image);
1240 }
1241 
1242 bool QXpmHandler::write(const QImage &image)
1243 {
1244  return write_xpm_image(image, device(), fileName);
1245 }
1246 
1248 {
1249  return option == Name
1250  || option == Size
1251  || option == ImageFormat;
1252 }
1253 
1255 {
1256  if (option == Name) {
1257  return fileName;
1258  } else if (option == Size) {
1259  if (state == Error)
1260  return QVariant();
1261  if (state == Ready && !const_cast<QXpmHandler*>(this)->readHeader())
1262  return QVariant();
1263  return QSize(width, height);
1264  } else if (option == ImageFormat) {
1265  if (state == Error)
1266  return QVariant();
1267  if (state == Ready && !const_cast<QXpmHandler*>(this)->readHeader())
1268  return QVariant();
1269  // If we have more than 256 colors in the table, we need to
1270  // figure out, if it contains transparency. That means reading
1271  // the whole color table, which is too much work work pre-checking
1272  // the image format
1273  if (ncols <= 256)
1274  return QImage::Format_Indexed8;
1275  else
1276  return QImage::Format_Invalid;
1277  }
1278 
1279  return QVariant();
1280 }
1281 
1283 {
1284  if (option == Name)
1285  fileName = value.toString();
1286 }
1287 
1289 {
1290  return "xpm";
1291 }
1292 
1294 
1295 #endif // QT_NO_IMAGEFORMAT_XPM
The QVariant class acts like a union for the most common Qt data types.
Definition: qvariant.h:92
double d
Definition: qnumeric_p.h:62
Status status() const
Returns the status of the text stream.
const Key & key() const
Returns the current item&#39;s key as a const reference.
Definition: qmap.h:250
Format
The following image formats are available in Qt.
Definition: qimage.h:91
unsigned int QRgb
Definition: qrgb.h:53
void setFormat(const QByteArray &format)
Sets the format of the QImageIOHandler to format.
QString & sprintf(const char *format,...)
Safely builds a formatted string from the format string cformat and an arbitrary list of arguments...
Definition: qstring.cpp:5567
void truncate(int pos)
Truncates the byte array at index position pos.
static bool qt_get_named_xpm_rgb(const char *name_no_space, QRgb *rgb)
void setColor(int i, QRgb c)
Sets the color at the given index in the color table, to the given to colorValue. ...
Definition: qimage.cpp:1850
unsigned char c[8]
Definition: qnumeric_p.h:62
#define QT_END_NAMESPACE
This macro expands to.
Definition: qglobal.h:90
char * data()
Returns a pointer to the data stored in the byte array.
Definition: qbytearray.h:429
bool readHeader()
const QChar at(int i) const
Returns the character at the given index position in the string.
Definition: qstring.h:698
bool isWritable() const
Returns true if data can be written to the device; otherwise returns false.
Definition: qiodevice.cpp:558
The QRegExp class provides pattern matching using regular expressions.
Definition: qregexp.h:61
ushort unicode() const
This is an overloaded member function, provided for convenience. It differs from the above function o...
Definition: qchar.h:251
Q_GUI_EXPORT_INLINE int qAlpha(QRgb rgb)
Definition: qrgb.h:66
QByteArray & append(char c)
Appends the character ch to this byte array.
#define QRGB(r, g, b)
Definition: qxpmhandler.cpp:82
bool isNull() const
Returns true if it is a null image, otherwise returns false.
Definition: qimage.cpp:1542
The QByteArray class provides an array of bytes.
Definition: qbytearray.h:135
QByteArray buffer
Definition: qxpmhandler_p.h:91
QString toString() const
Returns the variant as a QString if the variant has type() String , Bool , ByteArray ...
Definition: qvariant.cpp:2270
int matchedLength() const
Returns the length of the last matched string, or -1 if there was no match.
Definition: qregexp.cpp:4193
bool getChar(char *c)
Reads one character from the device and stores it in c.
Definition: qiodevice.cpp:1536
QByteArray toLower() const
Returns a lowercase copy of the byte array.
QLatin1String(DBUS_INTERFACE_DBUS))) Q_GLOBAL_STATIC_WITH_ARGS(QString
Q_OUTOFLINE_TEMPLATE RandomAccessIterator qBinaryFind(RandomAccessIterator begin, RandomAccessIterator end, const T &value)
Definition: qalgorithms.h:295
bool operator<(const char *name, const XPMRGBData &data)
void ungetChar(char c)
Puts the character c back into the device, and decrements the current position unless the position is...
Definition: qiodevice.cpp:1462
The QString class provides a Unicode character string.
Definition: qstring.h:83
const char * name
Definition: qxpmhandler.cpp:88
static const char * xpm_color_name(int cpp, int index)
static const int xpmRgbTblSize
Definition: qxpmhandler.cpp:84
Format format() const
Returns the format of the image.
Definition: qimage.cpp:2305
Q_GUI_EXPORT_INLINE int qRed(QRgb rgb)
Definition: qrgb.h:57
qint64 read(char *data, qint64 maxlen)
Reads at most maxSize bytes from the device into data, and returns the number of bytes read...
Definition: qiodevice.cpp:791
QByteArray simplified() const
Returns a byte array that has whitespace removed from the start and the end, and which has each seque...
unsigned char uchar
Definition: qglobal.h:994
void setColorCount(int)
Resizes the color table to contain colorCount entries.
Definition: qimage.cpp:2275
bool qt_read_xpm_image_or_array(QIODevice *device, const char *const *source, QImage &image)
#define QT_BEGIN_NAMESPACE
This macro expands to.
Definition: qglobal.h:89
static bool read_xpm_body(QIODevice *device, const char *const *source, int &index, QByteArray &state, int cpp, int ncols, int w, int h, QImage &image)
static bool is_xpm_color_spec_prefix(const QByteArray &prefix)
void truncate(int pos)
Truncates the string at the given position index.
Definition: qstring.cpp:4603
int indexIn(const QString &str, int offset=0, CaretMode caretMode=CaretAtZero) const
Attempts to find a match in str from position offset (0 by default).
Definition: qregexp.cpp:4136
unsigned __int64 quint64
Definition: qglobal.h:943
int size() const
Returns the number of characters in this string.
Definition: qstring.h:102
bool isEmpty() const
Returns true if the string has no characters; otherwise returns false.
Definition: qstring.h:704
ImageOption
This enum describes the different options supported by QImageIOHandler.
QByteArray trimmed() const
Returns a byte array that has whitespace removed from the start and the end.
const T & at(int i) const
Returns the item at index position i in the list.
Definition: qlist.h:468
qint64 peek(char *data, qint64 maxlen)
Reads at most maxSize bytes from the device into data, without side effects (i.
Definition: qiodevice.cpp:1563
Q_CORE_EXPORT void qWarning(const char *,...)
The QImage class provides a hardware-independent image representation that allows direct access to th...
Definition: qimage.h:87
static const char * data(const QByteArray &arr)
unsigned int uint
Definition: qglobal.h:996
int depth() const
Returns the depth of the image.
Definition: qimage.cpp:1620
__int64 qint64
Definition: qglobal.h:942
QByteArray left(int len) const
Returns a byte array that contains the leftmost len bytes of this byte array.
QByteArray mid(int index, int len=-1) const
Returns a byte array containing len bytes from this byte array, starting at position pos...
int indexOf(char c, int from=0) const
Returns the index position of the first occurrence of the character ch in the byte array...
Q_GUI_EXPORT_INLINE int qBlue(QRgb rgb)
Definition: qrgb.h:63
bool write(const QImage &image)
Writes the image image to the assigned device.
QSize size() const
Returns the size of the image, i.
Definition: qimage.cpp:1587
#define rgb(r, g, b)
Definition: qcolor_p.cpp:130
iterator begin()
Returns an STL-style iterator pointing to the first item in the map.
Definition: qmap.h:372
int length() const
Same as size().
Definition: qbytearray.h:356
const char * constData() const
Returns a pointer to the data stored in the byte array.
Definition: qbytearray.h:433
QString mid(int position, int n=-1) const Q_REQUIRED_RESULT
Returns a string that contains n characters of this string, starting at the specified position index...
Definition: qstring.cpp:3706
QList< QByteArray > split(char sep) const
Splits the byte array into subarrays wherever sep occurs, and returns the list of those arrays...
int width() const
Returns the width of the image.
Definition: qimage.cpp:1557
QImage convertToFormat(Format f, Qt::ImageConversionFlags flags=Qt::AutoColor) const Q_REQUIRED_RESULT
Returns a copy of the image in the given format.
Definition: qimage.cpp:3966
int indexOf(const T &t, int from=0) const
Returns the index position of the first occurrence of value in the list, searching forward from index...
Definition: qlist.h:847
The QMap::iterator class provides an STL-style non-const iterator for QMap and QMultiMap.
Definition: qmap.h:233
The QTextStream class provides a convenient interface for reading and writing text.
Definition: qtextstream.h:73
qint64 readLine(char *data, qint64 maxlen)
This function reads a line of ASCII characters from the device, up to a maximum of maxSize - 1 bytes...
Definition: qiodevice.cpp:1110
void clear()
Clears the contents of the string and makes it empty.
Definition: qstring.h:723
iterator end()
Returns an STL-style iterator pointing to the imaginary item after the last item in the map...
Definition: qmap.h:375
int lastIndexOf(QChar c, int from=-1, Qt::CaseSensitivity cs=Qt::CaseSensitive) const
Definition: qstring.cpp:3000
static QString fromLatin1(const char *, int size=-1)
Returns a QString initialized with the first size characters of the Latin-1 string str...
Definition: qstring.cpp:4188
QByteArray name() const
Use format() instead.
iterator insert(const Key &key, const T &value)
Inserts a new item with the key key and a value of value.
Definition: qmap.h:559
static const struct XPMRGBData xpmRgbTbl[]
int size() const
Returns the number of items in the list.
Definition: qlist.h:137
static QString fbname(const QString &fileName)
int qstrncmp(const char *str1, const char *str2, uint len)
Definition: qbytearray.h:101
bool canRead() const
Returns true if an image can be read from the device (i.
QIODevice * device() const
Returns the device currently assigned to the QImageIOHandler.
bool contains(const Key &key) const
Returns true if the map contains an item with key key; otherwise returns false.
Definition: qmap.h:553
bool supportsOption(ImageOption option) const
Returns true if the QImageIOHandler supports the option option; otherwise returns false...
int height() const
Returns the height of the image.
Definition: qimage.cpp:1572
int size() const
Returns the number of bytes in this byte array.
Definition: qbytearray.h:402
static bool write_xpm_image(const QImage &sourceImage, QIODevice *device, const QString &fileName)
quint16 index
Q_GUI_EXPORT_INLINE int qGreen(QRgb rgb)
Definition: qrgb.h:60
QString fileName
Definition: qxpmhandler_p.h:93
bool isEmpty() const
Returns true if the byte array has size 0; otherwise returns false.
Definition: qbytearray.h:421
The QSize class defines the size of a two-dimensional object using integer point precision.
Definition: qsize.h:53
int qstrcmp(const QByteArray &str1, const char *str2)
Definition: qbytearray.cpp:336
QVariant option(ImageOption option) const
Returns the value assigned to option as a QVariant.
char at(int i) const
Returns the character at index position i in the byte array.
Definition: qbytearray.h:413
static const KeyPair *const end
The QIODevice class is the base interface class of all I/O devices in Qt.
Definition: qiodevice.h:66
static bool read_xpm_string(QByteArray &buf, QIODevice *d, const char *const *source, int &index, QByteArray &state)
static QString fileName(const QString &fileUrl)
void setOption(ImageOption option, const QVariant &value)
Sets the option option with the value value.
bool qt_get_hex_rgb(const char *name, QRgb *rgb)
Definition: qcolor_p.cpp:76
The QLatin1Char class provides an 8-bit ASCII/Latin-1 character.
Definition: qchar.h:55
bool read(QImage *image)
Read an image from the device, and stores it in image.
QByteArray & remove(int index, int len)
Removes len bytes from the array, starting at index position pos, and returns a reference to the arra...
uchar * scanLine(int)
Returns a pointer to the pixel data at the scanline with index i.
Definition: qimage.cpp:1886
The QMap class is a template class that provides a skip-list-based dictionary.
Definition: qdatastream.h:67
static quint64 xpmHash(const QString &str)
Definition: qxpmhandler.cpp:59
bool readImage(QImage *image)
Q_CORE_EXPORT QTextStream & endl(QTextStream &s)
#define forever
This macro is provided for convenience for writing infinite loops.
Definition: qglobal.h:2452
static bool read_xpm_header(QIODevice *device, const char *const *source, int &index, QByteArray &state, int *cpp, int *ncols, int *w, int *h)