1 /////////////////////////////////////////////////////////////////////////////
3 // Purpose: wxXPMDecoder
4 // Author: John Cristy, Vaclav Slavik
6 // Copyright: (c) John Cristy, Vaclav Slavik
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
12 This file is partially based on source code of ImageMagick by John Cristy. Its
13 license is as follows:
15 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
26 % Read/Write ImageMagick Image Format. %
34 % Copyright (C) 2001 ImageMagick Studio, a non-profit organization dedicated %
35 % to making software imaging solutions freely available. %
37 % Permission is hereby granted, free of charge, to any person obtaining a %
38 % copy of this software and associated documentation files ("ImageMagick"), %
39 % to deal in ImageMagick without restriction, including without limitation %
40 % the rights to use, copy, modify, merge, publish, distribute, sublicense, %
41 % and/or sell copies of ImageMagick, and to permit persons to whom the %
42 % ImageMagick is furnished to do so, subject to the following conditions: %
44 % The above copyright notice and this permission notice shall be included in %
45 % all copies or substantial portions of ImageMagick. %
47 % The software is provided "as is", without warranty of any kind, express or %
48 % implied, including but not limited to the warranties of merchantability, %
49 % fitness for a particular purpose and noninfringement. In no event shall %
50 % ImageMagick Studio be liable for any claim, damages or other liability, %
51 % whether in an action of contract, tort or otherwise, arising from, out of %
52 % or in connection with ImageMagick or the use or other dealings in %
55 % Except as contained in this notice, the name of the ImageMagick Studio %
56 % shall not be used in advertising or otherwise to promote the sale, use or %
57 % other dealings in ImageMagick without prior written authorization from the %
58 % ImageMagick Studio. %
60 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
66 * Also contains some pieces from libxpm and its modification for win32 by
67 * HeDu <hedu@cul-ipn.uni-kiel.de>:
69 * Copyright (C) 1989-95 GROUPE BULL
71 * Permission is hereby granted, free of charge, to any person obtaining a copy
72 * of this software and associated documentation files (the "Software"), to
73 * deal in the Software without restriction, including without limitation the
74 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
75 * sell copies of the Software, and to permit persons to whom the Software is
76 * furnished to do so, subject to the following conditions:
78 * The above copyright notice and this permission notice shall be included in
79 * all copies or substantial portions of the Software.
81 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
82 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
83 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
84 * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
85 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
86 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
88 * Except as contained in this notice, the name of GROUPE BULL shall not be
89 * used in advertising or otherwise to promote the sale, use or other dealings
90 * in this Software without prior written authorization from GROUPE BULL.
93 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
94 #pragma implementation "xpmdecod.h"
97 // For compilers that support precompilation, includes "wx.h".
98 #include "wx/wxprec.h"
105 # include "wx/defs.h"
108 #if wxUSE_IMAGE && wxUSE_XPM
110 #include "wx/stream.h"
111 #include "wx/image.h"
112 #include "wx/utils.h"
114 #include "wx/hashmap.h"
120 #include "wx/xpmdecod.h"
123 bool wxXPMDecoder::CanRead(wxInputStream
& stream
)
125 unsigned char buf
[9];
127 if ( !stream
.Read(buf
, WXSIZEOF(buf
)) )
130 stream
.SeekI(-(off_t
)WXSIZEOF(buf
), wxFromCurrent
);
132 return memcmp(buf
, "/* XPM */", WXSIZEOF(buf
)) == 0;
135 wxImage
wxXPMDecoder::ReadFile(wxInputStream
& stream
)
137 size_t length
= stream
.GetSize();
138 wxCHECK_MSG( length
!= 0, wxNullImage
,
139 wxT("Cannot read XPM from stream of unknown size") );
141 // use a smart buffer to be sure to free memory even when we return on
143 wxCharBuffer
buffer(length
);
145 char *xpm_buffer
= (char *)buffer
.data();
146 if ( stream
.Read(xpm_buffer
, length
).GetLastError() == wxSTREAM_READ_ERROR
)
148 xpm_buffer
[length
] = '\0';
151 * Remove comments from the file:
154 for (p
= xpm_buffer
; *p
!= '\0'; p
++)
156 if ( (*p
== '"') || (*p
== '\'') )
160 for (p
++; *p
!= '\0'; p
++)
161 if ( (*p
== '"') && (*(p
- 1) != '\\') )
166 for (p
++; *p
!= '\0'; p
++)
167 if ( (*p
== '\'') && (*(p
- 1) != '\\') )
174 if ( (*p
!= '/') || (*(p
+ 1) != '*') )
176 for (q
= p
+ 2; *q
!= '\0'; q
++)
178 if ( (*q
== '*') && (*(q
+ 1) == '/') )
182 // memmove allows overlaps (unlike strcpy):
183 size_t cpylen
= strlen(q
+ 2) + 1;
184 memmove(p
, q
+ 2, cpylen
);
188 * Remove unquoted characters:
191 for (p
= xpm_buffer
; *p
!= '\0'; p
++)
195 for (q
= p
+ 1; *q
!= '\0'; q
++)
198 strncpy(xpm_buffer
+ i
, p
+ 1, q
- p
- 1);
200 xpm_buffer
[i
++] = '\n';
203 xpm_buffer
[i
] = '\0';
206 * Create array of lines and convert \n's to \0's:
208 const char **xpm_lines
;
209 size_t lines_cnt
= 0;
212 for (p
= xpm_buffer
; *p
!= '\0'; p
++)
220 // this doesn't really look an XPM image
224 xpm_lines
= new const char*[lines_cnt
];
225 xpm_lines
[0] = xpm_buffer
;
227 for (p
= xpm_buffer
; (*p
!= '\0') && (line
< lines_cnt
); p
++)
231 xpm_lines
[line
] = p
+ 1;
240 wxImage img
= ReadData(xpm_lines
);
246 #endif // wxUSE_STREAMS
249 /*****************************************************************************\
252 * A hard coded rgb.txt. To keep it short I removed all colornames with *
253 * trailing numbers, Blue3 etc, except the GrayXX. Sorry Grey-lovers I prefer *
254 * Gray ;-). But Grey is recognized on lookups, only on save Gray will be *
255 * used, maybe you want to do some substitue there too. *
257 * To save memory the RGBs are coded in one long value, as done by the RGB *
260 * Developed by HeDu 3/94 (hedu@cul-ipn.uni-kiel.de) *
261 \*****************************************************************************/
270 #define myRGB(r,g,b) ((wxUint32)r<<16|(wxUint32)g<<8|(wxUint32)b)
272 static rgbRecord theRGBRecords
[] =
274 {"aliceblue", myRGB(240, 248, 255)},
275 {"antiquewhite", myRGB(250, 235, 215)},
276 {"aquamarine", myRGB(50, 191, 193)},
277 {"azure", myRGB(240, 255, 255)},
278 {"beige", myRGB(245, 245, 220)},
279 {"bisque", myRGB(255, 228, 196)},
280 {"black", myRGB(0, 0, 0)},
281 {"blanchedalmond", myRGB(255, 235, 205)},
282 {"blue", myRGB(0, 0, 255)},
283 {"blueviolet", myRGB(138, 43, 226)},
284 {"brown", myRGB(165, 42, 42)},
285 {"burlywood", myRGB(222, 184, 135)},
286 {"cadetblue", myRGB(95, 146, 158)},
287 {"chartreuse", myRGB(127, 255, 0)},
288 {"chocolate", myRGB(210, 105, 30)},
289 {"coral", myRGB(255, 114, 86)},
290 {"cornflowerblue", myRGB(34, 34, 152)},
291 {"cornsilk", myRGB(255, 248, 220)},
292 {"cyan", myRGB(0, 255, 255)},
293 {"darkgoldenrod", myRGB(184, 134, 11)},
294 {"darkgreen", myRGB(0, 86, 45)},
295 {"darkkhaki", myRGB(189, 183, 107)},
296 {"darkolivegreen", myRGB(85, 86, 47)},
297 {"darkorange", myRGB(255, 140, 0)},
298 {"darkorchid", myRGB(139, 32, 139)},
299 {"darksalmon", myRGB(233, 150, 122)},
300 {"darkseagreen", myRGB(143, 188, 143)},
301 {"darkslateblue", myRGB(56, 75, 102)},
302 {"darkslategray", myRGB(47, 79, 79)},
303 {"darkturquoise", myRGB(0, 166, 166)},
304 {"darkviolet", myRGB(148, 0, 211)},
305 {"deeppink", myRGB(255, 20, 147)},
306 {"deepskyblue", myRGB(0, 191, 255)},
307 {"dimgray", myRGB(84, 84, 84)},
308 {"dodgerblue", myRGB(30, 144, 255)},
309 {"firebrick", myRGB(142, 35, 35)},
310 {"floralwhite", myRGB(255, 250, 240)},
311 {"forestgreen", myRGB(80, 159, 105)},
312 {"gainsboro", myRGB(220, 220, 220)},
313 {"ghostwhite", myRGB(248, 248, 255)},
314 {"gold", myRGB(218, 170, 0)},
315 {"goldenrod", myRGB(239, 223, 132)},
316 {"gray", myRGB(126, 126, 126)},
317 {"gray0", myRGB(0, 0, 0)},
318 {"gray1", myRGB(3, 3, 3)},
319 {"gray10", myRGB(26, 26, 26)},
320 {"gray100", myRGB(255, 255, 255)},
321 {"gray11", myRGB(28, 28, 28)},
322 {"gray12", myRGB(31, 31, 31)},
323 {"gray13", myRGB(33, 33, 33)},
324 {"gray14", myRGB(36, 36, 36)},
325 {"gray15", myRGB(38, 38, 38)},
326 {"gray16", myRGB(41, 41, 41)},
327 {"gray17", myRGB(43, 43, 43)},
328 {"gray18", myRGB(46, 46, 46)},
329 {"gray19", myRGB(48, 48, 48)},
330 {"gray2", myRGB(5, 5, 5)},
331 {"gray20", myRGB(51, 51, 51)},
332 {"gray21", myRGB(54, 54, 54)},
333 {"gray22", myRGB(56, 56, 56)},
334 {"gray23", myRGB(59, 59, 59)},
335 {"gray24", myRGB(61, 61, 61)},
336 {"gray25", myRGB(64, 64, 64)},
337 {"gray26", myRGB(66, 66, 66)},
338 {"gray27", myRGB(69, 69, 69)},
339 {"gray28", myRGB(71, 71, 71)},
340 {"gray29", myRGB(74, 74, 74)},
341 {"gray3", myRGB(8, 8, 8)},
342 {"gray30", myRGB(77, 77, 77)},
343 {"gray31", myRGB(79, 79, 79)},
344 {"gray32", myRGB(82, 82, 82)},
345 {"gray33", myRGB(84, 84, 84)},
346 {"gray34", myRGB(87, 87, 87)},
347 {"gray35", myRGB(89, 89, 89)},
348 {"gray36", myRGB(92, 92, 92)},
349 {"gray37", myRGB(94, 94, 94)},
350 {"gray38", myRGB(97, 97, 97)},
351 {"gray39", myRGB(99, 99, 99)},
352 {"gray4", myRGB(10, 10, 10)},
353 {"gray40", myRGB(102, 102, 102)},
354 {"gray41", myRGB(105, 105, 105)},
355 {"gray42", myRGB(107, 107, 107)},
356 {"gray43", myRGB(110, 110, 110)},
357 {"gray44", myRGB(112, 112, 112)},
358 {"gray45", myRGB(115, 115, 115)},
359 {"gray46", myRGB(117, 117, 117)},
360 {"gray47", myRGB(120, 120, 120)},
361 {"gray48", myRGB(122, 122, 122)},
362 {"gray49", myRGB(125, 125, 125)},
363 {"gray5", myRGB(13, 13, 13)},
364 {"gray50", myRGB(127, 127, 127)},
365 {"gray51", myRGB(130, 130, 130)},
366 {"gray52", myRGB(133, 133, 133)},
367 {"gray53", myRGB(135, 135, 135)},
368 {"gray54", myRGB(138, 138, 138)},
369 {"gray55", myRGB(140, 140, 140)},
370 {"gray56", myRGB(143, 143, 143)},
371 {"gray57", myRGB(145, 145, 145)},
372 {"gray58", myRGB(148, 148, 148)},
373 {"gray59", myRGB(150, 150, 150)},
374 {"gray6", myRGB(15, 15, 15)},
375 {"gray60", myRGB(153, 153, 153)},
376 {"gray61", myRGB(156, 156, 156)},
377 {"gray62", myRGB(158, 158, 158)},
378 {"gray63", myRGB(161, 161, 161)},
379 {"gray64", myRGB(163, 163, 163)},
380 {"gray65", myRGB(166, 166, 166)},
381 {"gray66", myRGB(168, 168, 168)},
382 {"gray67", myRGB(171, 171, 171)},
383 {"gray68", myRGB(173, 173, 173)},
384 {"gray69", myRGB(176, 176, 176)},
385 {"gray7", myRGB(18, 18, 18)},
386 {"gray70", myRGB(179, 179, 179)},
387 {"gray71", myRGB(181, 181, 181)},
388 {"gray72", myRGB(184, 184, 184)},
389 {"gray73", myRGB(186, 186, 186)},
390 {"gray74", myRGB(189, 189, 189)},
391 {"gray75", myRGB(191, 191, 191)},
392 {"gray76", myRGB(194, 194, 194)},
393 {"gray77", myRGB(196, 196, 196)},
394 {"gray78", myRGB(199, 199, 199)},
395 {"gray79", myRGB(201, 201, 201)},
396 {"gray8", myRGB(20, 20, 20)},
397 {"gray80", myRGB(204, 204, 204)},
398 {"gray81", myRGB(207, 207, 207)},
399 {"gray82", myRGB(209, 209, 209)},
400 {"gray83", myRGB(212, 212, 212)},
401 {"gray84", myRGB(214, 214, 214)},
402 {"gray85", myRGB(217, 217, 217)},
403 {"gray86", myRGB(219, 219, 219)},
404 {"gray87", myRGB(222, 222, 222)},
405 {"gray88", myRGB(224, 224, 224)},
406 {"gray89", myRGB(227, 227, 227)},
407 {"gray9", myRGB(23, 23, 23)},
408 {"gray90", myRGB(229, 229, 229)},
409 {"gray91", myRGB(232, 232, 232)},
410 {"gray92", myRGB(235, 235, 235)},
411 {"gray93", myRGB(237, 237, 237)},
412 {"gray94", myRGB(240, 240, 240)},
413 {"gray95", myRGB(242, 242, 242)},
414 {"gray96", myRGB(245, 245, 245)},
415 {"gray97", myRGB(247, 247, 247)},
416 {"gray98", myRGB(250, 250, 250)},
417 {"gray99", myRGB(252, 252, 252)},
418 {"green", myRGB(0, 255, 0)},
419 {"greenyellow", myRGB(173, 255, 47)},
420 {"honeydew", myRGB(240, 255, 240)},
421 {"hotpink", myRGB(255, 105, 180)},
422 {"indianred", myRGB(107, 57, 57)},
423 {"ivory", myRGB(255, 255, 240)},
424 {"khaki", myRGB(179, 179, 126)},
425 {"lavender", myRGB(230, 230, 250)},
426 {"lavenderblush", myRGB(255, 240, 245)},
427 {"lawngreen", myRGB(124, 252, 0)},
428 {"lemonchiffon", myRGB(255, 250, 205)},
429 {"lightblue", myRGB(176, 226, 255)},
430 {"lightcoral", myRGB(240, 128, 128)},
431 {"lightcyan", myRGB(224, 255, 255)},
432 {"lightgoldenrod", myRGB(238, 221, 130)},
433 {"lightgoldenrodyellow", myRGB(250, 250, 210)},
434 {"lightgray", myRGB(168, 168, 168)},
435 {"lightpink", myRGB(255, 182, 193)},
436 {"lightsalmon", myRGB(255, 160, 122)},
437 {"lightseagreen", myRGB(32, 178, 170)},
438 {"lightskyblue", myRGB(135, 206, 250)},
439 {"lightslateblue", myRGB(132, 112, 255)},
440 {"lightslategray", myRGB(119, 136, 153)},
441 {"lightsteelblue", myRGB(124, 152, 211)},
442 {"lightyellow", myRGB(255, 255, 224)},
443 {"limegreen", myRGB(0, 175, 20)},
444 {"linen", myRGB(250, 240, 230)},
445 {"magenta", myRGB(255, 0, 255)},
446 {"maroon", myRGB(143, 0, 82)},
447 {"mediumaquamarine", myRGB(0, 147, 143)},
448 {"mediumblue", myRGB(50, 50, 204)},
449 {"mediumforestgreen", myRGB(50, 129, 75)},
450 {"mediumgoldenrod", myRGB(209, 193, 102)},
451 {"mediumorchid", myRGB(189, 82, 189)},
452 {"mediumpurple", myRGB(147, 112, 219)},
453 {"mediumseagreen", myRGB(52, 119, 102)},
454 {"mediumslateblue", myRGB(106, 106, 141)},
455 {"mediumspringgreen", myRGB(35, 142, 35)},
456 {"mediumturquoise", myRGB(0, 210, 210)},
457 {"mediumvioletred", myRGB(213, 32, 121)},
458 {"midnightblue", myRGB(47, 47, 100)},
459 {"mintcream", myRGB(245, 255, 250)},
460 {"mistyrose", myRGB(255, 228, 225)},
461 {"moccasin", myRGB(255, 228, 181)},
462 {"navajowhite", myRGB(255, 222, 173)},
463 {"navy", myRGB(35, 35, 117)},
464 {"navyblue", myRGB(35, 35, 117)},
465 {"oldlace", myRGB(253, 245, 230)},
466 {"olivedrab", myRGB(107, 142, 35)},
467 {"orange", myRGB(255, 135, 0)},
468 {"orangered", myRGB(255, 69, 0)},
469 {"orchid", myRGB(239, 132, 239)},
470 {"palegoldenrod", myRGB(238, 232, 170)},
471 {"palegreen", myRGB(115, 222, 120)},
472 {"paleturquoise", myRGB(175, 238, 238)},
473 {"palevioletred", myRGB(219, 112, 147)},
474 {"papayawhip", myRGB(255, 239, 213)},
475 {"peachpuff", myRGB(255, 218, 185)},
476 {"peru", myRGB(205, 133, 63)},
477 {"pink", myRGB(255, 181, 197)},
478 {"plum", myRGB(197, 72, 155)},
479 {"powderblue", myRGB(176, 224, 230)},
480 {"purple", myRGB(160, 32, 240)},
481 {"red", myRGB(255, 0, 0)},
482 {"rosybrown", myRGB(188, 143, 143)},
483 {"royalblue", myRGB(65, 105, 225)},
484 {"saddlebrown", myRGB(139, 69, 19)},
485 {"salmon", myRGB(233, 150, 122)},
486 {"sandybrown", myRGB(244, 164, 96)},
487 {"seagreen", myRGB(82, 149, 132)},
488 {"seashell", myRGB(255, 245, 238)},
489 {"sienna", myRGB(150, 82, 45)},
490 {"silver", myRGB(192, 192, 192)},
491 {"skyblue", myRGB(114, 159, 255)},
492 {"slateblue", myRGB(126, 136, 171)},
493 {"slategray", myRGB(112, 128, 144)},
494 {"snow", myRGB(255, 250, 250)},
495 {"springgreen", myRGB(65, 172, 65)},
496 {"steelblue", myRGB(84, 112, 170)},
497 {"tan", myRGB(222, 184, 135)},
498 {"thistle", myRGB(216, 191, 216)},
499 {"tomato", myRGB(255, 99, 71)},
500 {"transparent", myRGB(0, 0, 1)},
501 {"turquoise", myRGB(25, 204, 223)},
502 {"violet", myRGB(156, 62, 206)},
503 {"violetred", myRGB(243, 62, 150)},
504 {"wheat", myRGB(245, 222, 179)},
505 {"white", myRGB(255, 255, 255)},
506 {"whitesmoke", myRGB(245, 245, 245)},
507 {"yellow", myRGB(255, 255, 0)},
508 {"yellowgreen", myRGB(50, 216, 56)},
509 {NULL
, myRGB(0, 0, 0)}
511 static int numTheRGBRecords
= 235;
513 static unsigned char ParseHexadecimal(char digit1
, char digit2
)
515 unsigned char i1
, i2
;
518 i1
= digit1
- 'a' + 0x0A;
519 else if (digit1
>= 'A')
520 i1
= digit1
- 'A' + 0x0A;
524 i2
= digit2
- 'a' + 0x0A;
525 else if (digit2
>= 'A')
526 i2
= digit2
- 'A' + 0x0A;
529 return (0x10 * i1
+ i2
);
532 static bool GetRGBFromName(const char *inname
, bool *isNone
,
533 unsigned char *r
, unsigned char*g
, unsigned char *b
)
535 int left
, right
, middle
;
541 // Neither #rrggbb nor #rrrrggggbbbb are in database, we parse them directly
542 size_t inname_len
= strlen(inname
);
543 if ( *inname
== '#' && (inname_len
== 7 || inname_len
== 13))
545 size_t ofs
= (inname_len
== 7) ? 2 : 4;
546 *r
= ParseHexadecimal(inname
[1], inname
[2]);
547 *g
= ParseHexadecimal(inname
[1*ofs
+1], inname
[1*ofs
+2]);
548 *b
= ParseHexadecimal(inname
[2*ofs
+1], inname
[2*ofs
+2]);
553 name
= wxStrdupA(inname
);
555 // theRGBRecords[] has no names with spaces, and no grey, but a
558 // so first extract ' '
559 while ((p
= strchr(name
, ' ')) != NULL
)
561 while (*(p
)) // till eof of string
563 *p
= *(p
+ 1); // copy to the left
567 // fold to lower case
575 // substitute Grey with Gray, else rgbtab.h would have more than 100
576 // 'duplicate' entries
577 if ( (grey
= strstr(name
, "grey")) != NULL
)
580 // check for special 'none' colour:
582 if ( strcmp(name
, "none") == 0 )
593 right
= numTheRGBRecords
- 1;
596 middle
= (left
+ right
) / 2;
597 cmp
= strcmp(name
, theRGBRecords
[middle
].name
);
600 rgbVal
= theRGBRecords
[middle
].rgb
;
601 *r
= (unsigned char)((rgbVal
>> 16) & 0xFF);
602 *g
= (unsigned char)((rgbVal
>> 8) & 0xFF);
603 *b
= (unsigned char)((rgbVal
) & 0xFF);
616 } while (left
<= right
);
624 static const char *ParseColor(const char *data
)
626 static const char *targets
[] =
627 {"c ", "g ", "g4 ", "m ", "b ", "s ", NULL
};
633 for (i
= 0; targets
[i
] != NULL
; i
++)
636 for (q
= targets
[i
]; *r
!= '\0'; r
++)
640 if ( !isspace((int) (*(r
- 1))) )
656 struct wxXPMColourMapData
660 WX_DECLARE_STRING_HASH_MAP(wxXPMColourMapData
, wxXPMColourMap
);
662 wxImage
wxXPMDecoder::ReadData(const char **xpm_data
)
666 unsigned width
, height
, colors_cnt
, chars_per_pixel
;
671 wxXPMColourMapData clr_data
;
672 wxXPMColourMap clr_tbl
;
673 wxXPMColourMap::iterator it
;
677 * Read hints and initialize structures:
680 count
= sscanf(xpm_data
[0], "%u %u %u %u",
681 &width
, &height
, &colors_cnt
, &chars_per_pixel
);
682 if ( count
!= 4 || width
* height
* colors_cnt
== 0 )
684 wxLogError(_T("XPM: Not XPM data!"));
688 // VS: XPM color map this large would be insane, since XPMs are encoded with
689 // 92 possible values on each position, 92^64 is *way* larger space than
691 wxCHECK_MSG(chars_per_pixel
< 64, wxNullImage
, wxT("XPM colormaps this large not supported."));
693 img
.Create(width
, height
);
694 if ( !img
.Ok() ) return img
;
697 key
[chars_per_pixel
] = wxT('\0');
703 for (i
= 0; i
< colors_cnt
; i
++)
705 for (i_key
= 0; i_key
< chars_per_pixel
; i_key
++)
706 key
[i_key
] = (wxChar
)xpm_data
[1 + i
][i_key
];
707 clr_def
= ParseColor(xpm_data
[1 + i
] + chars_per_pixel
);
709 if ( clr_def
== NULL
)
711 wxLogError(_("XPM: malformed colour definition '%s'!"),
713 clr_data
.R
= 255, clr_data
.G
= 0, clr_data
.B
= 255;
718 if ( !GetRGBFromName(clr_def
, &isNone
,
719 &clr_data
.R
, &clr_data
.G
, &clr_data
.B
) )
721 wxLogError(_("XPM: malformed colour definition '%s'!"),
723 clr_data
.R
= 255, clr_data
.G
= 0, clr_data
.B
= 255;
730 img
.SetMaskColour(255, 0, 255);
732 clr_data
.R
= 255, clr_data
.G
= 0, clr_data
.B
= 255;
737 clr_tbl
[key
] = clr_data
;
741 * Modify colour entries with RGB = (255,0,255) to (255,0,254) if
742 * mask colour is present (so that existing pixels with (255,0,255)
743 * magenta colour are not incorrectly made transparent):
747 for (it
= clr_tbl
.begin(); it
!= clr_tbl
.end(); it
++)
749 if (it
->second
.R
== 255 && it
->second
.G
== 0 &&
750 it
->second
.B
== 255 &&
751 it
->first
!= maskKey
)
762 unsigned char *img_data
= img
.GetData();
763 wxXPMColourMap::iterator entry
;
764 wxXPMColourMap::iterator end
= clr_tbl
.end();
766 for (j
= 0; j
< height
; j
++)
768 for (i
= 0; i
< width
; i
++, img_data
+= 3)
770 for (i_key
= 0; i_key
< chars_per_pixel
; i_key
++)
771 key
[i_key
] = (wxChar
)xpm_data
[1 + colors_cnt
+ j
]
772 [chars_per_pixel
* i
+ i_key
];
773 entry
= clr_tbl
.find(key
);
776 wxLogError(_("XPM: Malformed pixel data!"));
778 // better return right now as otherwise we risk to flood the
779 // user with error messages as something seems to be seriously
780 // wrong with the file and so we could give this message for
781 // each remaining pixel if we don't bail out
786 img_data
[0] = entry
->second
.R
;
787 img_data
[1] = entry
->second
.G
;
788 img_data
[2] = entry
->second
.B
;
796 #endif // wxUSE_IMAGE && wxUSE_XPM