--- /dev/null
+/////////////////////////////////////////////////////////////////////////////
+// Name: xpmdecod.cpp
+// Purpose: wxXPMDecoder
+// Author: John Cristy, Vaclav Slavik
+// RCS-ID: $Id$
+// Copyright: (c) John Cristy, Vaclav Slavik
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+/*
+
+This file is partially based on source code of ImageMagick by John Cristy. Its
+license is as follows:
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% %
+% %
+% X X PPPP M M %
+% X X P P MM MM %
+% X PPPP M M M %
+% X X P M M %
+% X X P M M %
+% %
+% %
+% Read/Write ImageMagick Image Format. %
+% %
+% %
+% Software Design %
+% John Cristy %
+% July 1992 %
+% %
+% %
+% Copyright (C) 2001 ImageMagick Studio, a non-profit organization dedicated %
+% to making software imaging solutions freely available. %
+% %
+% Permission is hereby granted, free of charge, to any person obtaining a %
+% copy of this software and associated documentation files ("ImageMagick"), %
+% to deal in ImageMagick without restriction, including without limitation %
+% the rights to use, copy, modify, merge, publish, distribute, sublicense, %
+% and/or sell copies of ImageMagick, and to permit persons to whom the %
+% ImageMagick is furnished to do so, subject to the following conditions: %
+% %
+% The above copyright notice and this permission notice shall be included in %
+% all copies or substantial portions of ImageMagick. %
+% %
+% The software is provided "as is", without warranty of any kind, express or %
+% implied, including but not limited to the warranties of merchantability, %
+% fitness for a particular purpose and noninfringement. In no event shall %
+% ImageMagick Studio be liable for any claim, damages or other liability, %
+% whether in an action of contract, tort or otherwise, arising from, out of %
+% or in connection with ImageMagick or the use or other dealings in %
+% ImageMagick. %
+% %
+% Except as contained in this notice, the name of the ImageMagick Studio %
+% shall not be used in advertising or otherwise to promote the sale, use or %
+% other dealings in ImageMagick without prior written authorization from the %
+% ImageMagick Studio. %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+*/
+
+/*
+ * Also contains some pieces from libxpm and its modification for win32 by
+ * HeDu <hedu@cul-ipn.uni-kiel.de>:
+ *
+ * Copyright (C) 1989-95 GROUPE BULL
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * GROUPE BULL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of GROUPE BULL shall not be
+ * used in advertising or otherwise to promote the sale, use or other dealings
+ * in this Software without prior written authorization from GROUPE BULL.
+ */
+
+#ifdef __GNUG__
+#pragma implementation "xpmdecod.h"
+#endif
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+# pragma hdrstop
+#endif
+
+#ifndef WX_PRECOMP
+# include "wx/defs.h"
+#endif
+
+#if wxUSE_IMAGE && wxUSE_XPM
+
+#include "wx/stream.h"
+#include "wx/image.h"
+#include "wx/utils.h"
+#include "wx/log.h"
+#include "wx/intl.h"
+#include <string.h>
+
+#include "wx/xpmdecod.h"
+
+#if wxUSE_STREAMS
+bool wxXPMDecoder::CanRead(wxInputStream& stream)
+{
+ unsigned char buf[9];
+
+ stream.Read(buf, 9);
+ stream.SeekI(-9, wxFromCurrent);
+
+ return (memcmp(buf, "/* XPM */", 9) == 0);
+}
+
+wxImage wxXPMDecoder::ReadFile(wxInputStream& stream)
+{
+ size_t length = stream.GetSize();
+ wxCHECK_MSG(length != 0, wxNullImage, wxT("Cannot read XPM from stream of unknown size"));
+
+ char *xpm_buffer = new char[length];
+ char *p, *q;
+ size_t i;
+
+ if ( stream.Read(xpm_buffer, length).LastError() != wxSTREAM_NO_ERROR )
+ return FALSE;
+
+ /*
+ * Remove comments from the file:
+ */
+ for (p = xpm_buffer; *p != '\0'; p++)
+ {
+ if ( (*p == '"') || (*p == '\'') )
+ {
+ if (*p == '"')
+ {
+ for (p++; *p != '\0'; p++)
+ if ( (*p == '"') && (*(p - 1) != '\\') )
+ break;
+ }
+ else // *p == '\''
+ {
+ for (p++; *p != '\0'; p++)
+ if ( (*p == '\'') && (*(p - 1) != '\\') )
+ break;
+ }
+ if (*p == '\0')
+ break;
+ continue;
+ }
+ if ( (*p != '/') || (*(p + 1) != '*') )
+ continue;
+ for (q = p + 2; *q != '\0'; q++)
+ {
+ if ( (*q == '*') && (*(q + 1) == '/') )
+ break;
+ }
+ strcpy(p, q + 2);
+ }
+
+ /*
+ * Remove unquoted characters:
+ */
+ i = 0;
+ for (p = xpm_buffer; *p != '\0'; p++)
+ {
+ if ( *p != '"' )
+ continue;
+ for (q = p + 1; *q != '\0'; q++)
+ if (*q == '"')
+ break;
+ strncpy(xpm_buffer + i, p + 1, q - p - 1);
+ i += q - p - 1;
+ xpm_buffer[i++] = '\n';
+ p = q + 1;
+ }
+ xpm_buffer[i] = '\0';
+
+ /*
+ * Create array of lines and convert \n's to \0's:
+ */
+ const char **xpm_lines;
+ size_t lines_cnt = 0;
+ size_t line;
+
+ for (p = xpm_buffer; *p != '\0'; p++)
+ {
+ if ( *p == '\n' )
+ lines_cnt++;
+ }
+
+ xpm_lines = new const char*[lines_cnt];
+ xpm_lines[0] = xpm_buffer;
+ line = 1;
+ for (p = xpm_buffer; (*p != '\0') && (line < lines_cnt); p++)
+ {
+ if ( *p == '\n' )
+ {
+ xpm_lines[line] = p + 1;
+ *p = '\0';
+ line++;
+ }
+ }
+
+ /*
+ * Read the image:
+ */
+ wxImage img = ReadData(xpm_lines);
+
+ delete[] xpm_buffer;
+ delete[] xpm_lines;
+ return img;
+}
+#endif // wxUSE_STREAMS
+
+
+/*****************************************************************************\
+* rgbtab.h *
+* *
+* A hard coded rgb.txt. To keep it short I removed all colornames with *
+* trailing numbers, Blue3 etc, except the GrayXX. Sorry Grey-lovers I prefer *
+* Gray ;-). But Grey is recognized on lookups, only on save Gray will be *
+* used, maybe you want to do some substitue there too. *
+* *
+* To save memory the RGBs are coded in one long value, as done by the RGB *
+* macro. *
+* *
+* Developed by HeDu 3/94 (hedu@cul-ipn.uni-kiel.de) *
+\*****************************************************************************/
+
+
+typedef struct
+{
+ char *name;
+ wxUint32 rgb;
+} rgbRecord;
+
+#define myRGB(r,g,b) ((wxUint32)r<<16|(wxUint32)g<<8|(wxUint32)b)
+
+static rgbRecord theRGBRecords[] =
+{
+ {"aliceblue", myRGB(240, 248, 255)},
+ {"antiquewhite", myRGB(250, 235, 215)},
+ {"aquamarine", myRGB(50, 191, 193)},
+ {"azure", myRGB(240, 255, 255)},
+ {"beige", myRGB(245, 245, 220)},
+ {"bisque", myRGB(255, 228, 196)},
+ {"black", myRGB(0, 0, 0)},
+ {"blanchedalmond", myRGB(255, 235, 205)},
+ {"blue", myRGB(0, 0, 255)},
+ {"blueviolet", myRGB(138, 43, 226)},
+ {"brown", myRGB(165, 42, 42)},
+ {"burlywood", myRGB(222, 184, 135)},
+ {"cadetblue", myRGB(95, 146, 158)},
+ {"chartreuse", myRGB(127, 255, 0)},
+ {"chocolate", myRGB(210, 105, 30)},
+ {"coral", myRGB(255, 114, 86)},
+ {"cornflowerblue", myRGB(34, 34, 152)},
+ {"cornsilk", myRGB(255, 248, 220)},
+ {"cyan", myRGB(0, 255, 255)},
+ {"darkgoldenrod", myRGB(184, 134, 11)},
+ {"darkgreen", myRGB(0, 86, 45)},
+ {"darkkhaki", myRGB(189, 183, 107)},
+ {"darkolivegreen", myRGB(85, 86, 47)},
+ {"darkorange", myRGB(255, 140, 0)},
+ {"darkorchid", myRGB(139, 32, 139)},
+ {"darksalmon", myRGB(233, 150, 122)},
+ {"darkseagreen", myRGB(143, 188, 143)},
+ {"darkslateblue", myRGB(56, 75, 102)},
+ {"darkslategray", myRGB(47, 79, 79)},
+ {"darkturquoise", myRGB(0, 166, 166)},
+ {"darkviolet", myRGB(148, 0, 211)},
+ {"deeppink", myRGB(255, 20, 147)},
+ {"deepskyblue", myRGB(0, 191, 255)},
+ {"dimgray", myRGB(84, 84, 84)},
+ {"dodgerblue", myRGB(30, 144, 255)},
+ {"firebrick", myRGB(142, 35, 35)},
+ {"floralwhite", myRGB(255, 250, 240)},
+ {"forestgreen", myRGB(80, 159, 105)},
+ {"gainsboro", myRGB(220, 220, 220)},
+ {"ghostwhite", myRGB(248, 248, 255)},
+ {"gold", myRGB(218, 170, 0)},
+ {"goldenrod", myRGB(239, 223, 132)},
+ {"gray", myRGB(126, 126, 126)},
+ {"gray0", myRGB(0, 0, 0)},
+ {"gray1", myRGB(3, 3, 3)},
+ {"gray10", myRGB(26, 26, 26)},
+ {"gray100", myRGB(255, 255, 255)},
+ {"gray11", myRGB(28, 28, 28)},
+ {"gray12", myRGB(31, 31, 31)},
+ {"gray13", myRGB(33, 33, 33)},
+ {"gray14", myRGB(36, 36, 36)},
+ {"gray15", myRGB(38, 38, 38)},
+ {"gray16", myRGB(41, 41, 41)},
+ {"gray17", myRGB(43, 43, 43)},
+ {"gray18", myRGB(46, 46, 46)},
+ {"gray19", myRGB(48, 48, 48)},
+ {"gray2", myRGB(5, 5, 5)},
+ {"gray20", myRGB(51, 51, 51)},
+ {"gray21", myRGB(54, 54, 54)},
+ {"gray22", myRGB(56, 56, 56)},
+ {"gray23", myRGB(59, 59, 59)},
+ {"gray24", myRGB(61, 61, 61)},
+ {"gray25", myRGB(64, 64, 64)},
+ {"gray26", myRGB(66, 66, 66)},
+ {"gray27", myRGB(69, 69, 69)},
+ {"gray28", myRGB(71, 71, 71)},
+ {"gray29", myRGB(74, 74, 74)},
+ {"gray3", myRGB(8, 8, 8)},
+ {"gray30", myRGB(77, 77, 77)},
+ {"gray31", myRGB(79, 79, 79)},
+ {"gray32", myRGB(82, 82, 82)},
+ {"gray33", myRGB(84, 84, 84)},
+ {"gray34", myRGB(87, 87, 87)},
+ {"gray35", myRGB(89, 89, 89)},
+ {"gray36", myRGB(92, 92, 92)},
+ {"gray37", myRGB(94, 94, 94)},
+ {"gray38", myRGB(97, 97, 97)},
+ {"gray39", myRGB(99, 99, 99)},
+ {"gray4", myRGB(10, 10, 10)},
+ {"gray40", myRGB(102, 102, 102)},
+ {"gray41", myRGB(105, 105, 105)},
+ {"gray42", myRGB(107, 107, 107)},
+ {"gray43", myRGB(110, 110, 110)},
+ {"gray44", myRGB(112, 112, 112)},
+ {"gray45", myRGB(115, 115, 115)},
+ {"gray46", myRGB(117, 117, 117)},
+ {"gray47", myRGB(120, 120, 120)},
+ {"gray48", myRGB(122, 122, 122)},
+ {"gray49", myRGB(125, 125, 125)},
+ {"gray5", myRGB(13, 13, 13)},
+ {"gray50", myRGB(127, 127, 127)},
+ {"gray51", myRGB(130, 130, 130)},
+ {"gray52", myRGB(133, 133, 133)},
+ {"gray53", myRGB(135, 135, 135)},
+ {"gray54", myRGB(138, 138, 138)},
+ {"gray55", myRGB(140, 140, 140)},
+ {"gray56", myRGB(143, 143, 143)},
+ {"gray57", myRGB(145, 145, 145)},
+ {"gray58", myRGB(148, 148, 148)},
+ {"gray59", myRGB(150, 150, 150)},
+ {"gray6", myRGB(15, 15, 15)},
+ {"gray60", myRGB(153, 153, 153)},
+ {"gray61", myRGB(156, 156, 156)},
+ {"gray62", myRGB(158, 158, 158)},
+ {"gray63", myRGB(161, 161, 161)},
+ {"gray64", myRGB(163, 163, 163)},
+ {"gray65", myRGB(166, 166, 166)},
+ {"gray66", myRGB(168, 168, 168)},
+ {"gray67", myRGB(171, 171, 171)},
+ {"gray68", myRGB(173, 173, 173)},
+ {"gray69", myRGB(176, 176, 176)},
+ {"gray7", myRGB(18, 18, 18)},
+ {"gray70", myRGB(179, 179, 179)},
+ {"gray71", myRGB(181, 181, 181)},
+ {"gray72", myRGB(184, 184, 184)},
+ {"gray73", myRGB(186, 186, 186)},
+ {"gray74", myRGB(189, 189, 189)},
+ {"gray75", myRGB(191, 191, 191)},
+ {"gray76", myRGB(194, 194, 194)},
+ {"gray77", myRGB(196, 196, 196)},
+ {"gray78", myRGB(199, 199, 199)},
+ {"gray79", myRGB(201, 201, 201)},
+ {"gray8", myRGB(20, 20, 20)},
+ {"gray80", myRGB(204, 204, 204)},
+ {"gray81", myRGB(207, 207, 207)},
+ {"gray82", myRGB(209, 209, 209)},
+ {"gray83", myRGB(212, 212, 212)},
+ {"gray84", myRGB(214, 214, 214)},
+ {"gray85", myRGB(217, 217, 217)},
+ {"gray86", myRGB(219, 219, 219)},
+ {"gray87", myRGB(222, 222, 222)},
+ {"gray88", myRGB(224, 224, 224)},
+ {"gray89", myRGB(227, 227, 227)},
+ {"gray9", myRGB(23, 23, 23)},
+ {"gray90", myRGB(229, 229, 229)},
+ {"gray91", myRGB(232, 232, 232)},
+ {"gray92", myRGB(235, 235, 235)},
+ {"gray93", myRGB(237, 237, 237)},
+ {"gray94", myRGB(240, 240, 240)},
+ {"gray95", myRGB(242, 242, 242)},
+ {"gray96", myRGB(245, 245, 245)},
+ {"gray97", myRGB(247, 247, 247)},
+ {"gray98", myRGB(250, 250, 250)},
+ {"gray99", myRGB(252, 252, 252)},
+ {"green", myRGB(0, 255, 0)},
+ {"greenyellow", myRGB(173, 255, 47)},
+ {"honeydew", myRGB(240, 255, 240)},
+ {"hotpink", myRGB(255, 105, 180)},
+ {"indianred", myRGB(107, 57, 57)},
+ {"ivory", myRGB(255, 255, 240)},
+ {"khaki", myRGB(179, 179, 126)},
+ {"lavender", myRGB(230, 230, 250)},
+ {"lavenderblush", myRGB(255, 240, 245)},
+ {"lawngreen", myRGB(124, 252, 0)},
+ {"lemonchiffon", myRGB(255, 250, 205)},
+ {"lightblue", myRGB(176, 226, 255)},
+ {"lightcoral", myRGB(240, 128, 128)},
+ {"lightcyan", myRGB(224, 255, 255)},
+ {"lightgoldenrod", myRGB(238, 221, 130)},
+ {"lightgoldenrodyellow", myRGB(250, 250, 210)},
+ {"lightgray", myRGB(168, 168, 168)},
+ {"lightpink", myRGB(255, 182, 193)},
+ {"lightsalmon", myRGB(255, 160, 122)},
+ {"lightseagreen", myRGB(32, 178, 170)},
+ {"lightskyblue", myRGB(135, 206, 250)},
+ {"lightslateblue", myRGB(132, 112, 255)},
+ {"lightslategray", myRGB(119, 136, 153)},
+ {"lightsteelblue", myRGB(124, 152, 211)},
+ {"lightyellow", myRGB(255, 255, 224)},
+ {"limegreen", myRGB(0, 175, 20)},
+ {"linen", myRGB(250, 240, 230)},
+ {"magenta", myRGB(255, 0, 255)},
+ {"maroon", myRGB(143, 0, 82)},
+ {"mediumaquamarine", myRGB(0, 147, 143)},
+ {"mediumblue", myRGB(50, 50, 204)},
+ {"mediumforestgreen", myRGB(50, 129, 75)},
+ {"mediumgoldenrod", myRGB(209, 193, 102)},
+ {"mediumorchid", myRGB(189, 82, 189)},
+ {"mediumpurple", myRGB(147, 112, 219)},
+ {"mediumseagreen", myRGB(52, 119, 102)},
+ {"mediumslateblue", myRGB(106, 106, 141)},
+ {"mediumspringgreen", myRGB(35, 142, 35)},
+ {"mediumturquoise", myRGB(0, 210, 210)},
+ {"mediumvioletred", myRGB(213, 32, 121)},
+ {"midnightblue", myRGB(47, 47, 100)},
+ {"mintcream", myRGB(245, 255, 250)},
+ {"mistyrose", myRGB(255, 228, 225)},
+ {"moccasin", myRGB(255, 228, 181)},
+ {"navajowhite", myRGB(255, 222, 173)},
+ {"navy", myRGB(35, 35, 117)},
+ {"navyblue", myRGB(35, 35, 117)},
+ {"oldlace", myRGB(253, 245, 230)},
+ {"olivedrab", myRGB(107, 142, 35)},
+ {"orange", myRGB(255, 135, 0)},
+ {"orangered", myRGB(255, 69, 0)},
+ {"orchid", myRGB(239, 132, 239)},
+ {"palegoldenrod", myRGB(238, 232, 170)},
+ {"palegreen", myRGB(115, 222, 120)},
+ {"paleturquoise", myRGB(175, 238, 238)},
+ {"palevioletred", myRGB(219, 112, 147)},
+ {"papayawhip", myRGB(255, 239, 213)},
+ {"peachpuff", myRGB(255, 218, 185)},
+ {"peru", myRGB(205, 133, 63)},
+ {"pink", myRGB(255, 181, 197)},
+ {"plum", myRGB(197, 72, 155)},
+ {"powderblue", myRGB(176, 224, 230)},
+ {"purple", myRGB(160, 32, 240)},
+ {"red", myRGB(255, 0, 0)},
+ {"rosybrown", myRGB(188, 143, 143)},
+ {"royalblue", myRGB(65, 105, 225)},
+ {"saddlebrown", myRGB(139, 69, 19)},
+ {"salmon", myRGB(233, 150, 122)},
+ {"sandybrown", myRGB(244, 164, 96)},
+ {"seagreen", myRGB(82, 149, 132)},
+ {"seashell", myRGB(255, 245, 238)},
+ {"sienna", myRGB(150, 82, 45)},
+ {"skyblue", myRGB(114, 159, 255)},
+ {"slateblue", myRGB(126, 136, 171)},
+ {"slategray", myRGB(112, 128, 144)},
+ {"snow", myRGB(255, 250, 250)},
+ {"springgreen", myRGB(65, 172, 65)},
+ {"steelblue", myRGB(84, 112, 170)},
+ {"tan", myRGB(222, 184, 135)},
+ {"thistle", myRGB(216, 191, 216)},
+ {"tomato", myRGB(255, 99, 71)},
+ {"transparent", myRGB(0, 0, 1)},
+ {"turquoise", myRGB(25, 204, 223)},
+ {"violet", myRGB(156, 62, 206)},
+ {"violetred", myRGB(243, 62, 150)},
+ {"wheat", myRGB(245, 222, 179)},
+ {"white", myRGB(255, 255, 255)},
+ {"whitesmoke", myRGB(245, 245, 245)},
+ {"yellow", myRGB(255, 255, 0)},
+ {"yellowgreen", myRGB(50, 216, 56)},
+ {NULL, myRGB(0, 0, 0)}
+};
+static int numTheRGBRecords = 234;
+
+static bool GetRGBFromName(const char *inname, bool *isNone,
+ unsigned char *r, unsigned char*g, unsigned char *b)
+{
+ int left, right, middle;
+ int cmp;
+ wxUint32 rgbVal;
+ char *name;
+ char *grey, *p;
+
+ // #rrggbb are not in database, we parse them directly
+ if ( *inname == '#' && strlen(inname) == 7 )
+ {
+ char buf[3];
+ buf[2] = 0;
+ buf[0] = inname[1]; buf[1] = inname[2];
+ *r = (unsigned char) wxHexToDec(buf);
+ buf[0] = inname[3]; buf[1] = inname[4];
+ *g = (unsigned char) wxHexToDec(buf);
+ buf[0] = inname[5]; buf[1] = inname[6];
+ *b = (unsigned char) wxHexToDec(buf);
+ *isNone = FALSE;
+
+ return TRUE;
+ }
+
+ name = strdup(inname);
+
+ // theRGBRecords[] has no names with spaces, and no grey, but a
+ // lot of gray...
+
+ // so first extract ' '
+ while ((p = strchr(name, ' ')))
+ {
+ while (*(p)) // till eof of string
+ {
+ *p = *(p + 1); // copy to the left
+ p++;
+ }
+ }
+ // fold to lower case
+ p = name;
+ while (*p)
+ {
+ *p = tolower(*p);
+ p++;
+ }
+
+ // substitute Grey with Gray, else rgbtab.h would have more than 100
+ // 'duplicate' entries
+ if ( (grey = strstr(name, "grey")) )
+ grey[2] = 'a';
+
+ // check for special 'none' colour:
+ if ( strcmp(name, "none") == 0 )
+ {
+ *isNone = TRUE;
+ return TRUE;
+ }
+
+ // binary search:
+ left = 0;
+ right = numTheRGBRecords - 1;
+ do
+ {
+ middle = (left + right) / 2;
+ cmp = strcmp(name, theRGBRecords[middle].name);
+ if ( cmp == 0 )
+ {
+ rgbVal = theRGBRecords[middle].rgb;
+ *r = (rgbVal >> 16) & 0xFF;
+ *g = (rgbVal >> 8) & 0xFF;
+ *b = (rgbVal) & 0xFF;
+ *isNone = FALSE;
+ free(name);
+ return TRUE;
+ }
+ else if ( cmp < 0 )
+ {
+ right = middle - 1;
+ }
+ else
+ { // > 0
+ left = middle + 1;
+ }
+ } while (left <= right);
+
+ free(name);
+ return FALSE;
+}
+
+static const char *ParseColor(const char *data)
+{
+ static const char *targets[] =
+ {"c ", "g ", "g4 ", "m ", "b ", "s ", NULL};
+
+ const char *p, *r;
+ const char *q;
+ int i;
+
+ for (i = 0; targets[i] != NULL; i++)
+ {
+ r = data;
+ for (q = targets[i]; *r != '\0'; r++)
+ {
+ if ( *r != *q )
+ continue;
+ if ( !isspace((int) (*(r - 1))) )
+ continue;
+ p = r;
+ for (;;)
+ {
+ if ( *q == '\0' )
+ return p;
+ if ( *p++ != *q++ )
+ break;
+ }
+ q = targets[i];
+ }
+ }
+ return NULL;
+}
+
+class wxXPMColourMapData : public wxObject
+{
+ public:
+ unsigned char R,G,B;
+};
+
+wxImage wxXPMDecoder::ReadData(const char **xpm_data)
+{
+ wxImage img;
+ int count;
+ unsigned width, height, colors_cnt, chars_per_pixel;
+ unsigned i, j;
+ char key[64];
+ const char *clr_def;
+ bool hasMask;
+ wxXPMColourMapData *clr_data;
+ wxHashTable clr_tbl(wxKEY_STRING);
+
+ /*
+ * Read hints and initialize structures:
+ */
+ count = sscanf(xpm_data[0], "%u %u %u %u",
+ &width, &height, &colors_cnt, &chars_per_pixel);
+ if ( count != 4 || width * height * colors_cnt == 0 )
+ {
+ wxLogError(_T("XPM: Not XPM data!"));
+ return wxNullImage;
+ }
+
+ // VS: XPM color map this large would be insane, since XPMs are encoded with
+ // 92 possible values on each position, 92^64 is *way* larger space than
+ // 8bit RGB...
+ wxCHECK_MSG(chars_per_pixel < 64, wxNullImage, wxT("XPM colormaps this large not supported."));
+
+ img.Create(width, height);
+ if ( !img.Ok() ) return img;
+
+ img.SetMask(FALSE);
+ key[chars_per_pixel] = '\0';
+ hasMask = FALSE;
+ clr_tbl.DeleteContents(TRUE);
+
+ /*
+ * Create colour map:
+ */
+ for (i = 0; i < colors_cnt; i++)
+ {
+ memcpy(key, xpm_data[1 + i], chars_per_pixel);
+ clr_def = ParseColor(xpm_data[1 + i]);
+ clr_data = new wxXPMColourMapData;
+
+ if ( clr_def == NULL )
+ {
+ wxLogError(_("XPM: malformed colour definition '%s'!"), xpm_data[1+i]);
+ clr_data->R = 255, clr_data->G = 0, clr_data->B = 255;
+ }
+ else
+ {
+ bool isNone;
+ if ( !GetRGBFromName(clr_def, &isNone,
+ &clr_data->R, &clr_data->G, &clr_data->B) )
+ {
+ wxLogError(_("XPM: malformed colour definition '%s'!"), xpm_data[1+i]);
+ clr_data->R = 255, clr_data->G = 0, clr_data->B = 255;
+ }
+ else
+ {
+ if ( isNone )
+ {
+ img.SetMask(TRUE);
+ img.SetMaskColour(255, 0, 255);
+ hasMask = TRUE;
+ clr_data->R = 255, clr_data->G = 0, clr_data->B = 255;
+ }
+ else
+ {
+ if ( hasMask && clr_data->R == 255 &&
+ clr_data->G == 0 && clr_data->B == 255 )
+ clr_data->B = 254;
+ }
+ }
+ }
+ clr_tbl.Put(key, clr_data);
+ }
+
+ /*
+ * Parse image data:
+ */
+
+ unsigned char *img_data = img.GetData();
+ for (j = 0; j < height; j++)
+ {
+ for (i = 0; i < width; i++, img_data += 3)
+ {
+ memcpy(key,
+ xpm_data[1 + colors_cnt + j] + chars_per_pixel * i,
+ chars_per_pixel);
+ clr_data = (wxXPMColourMapData*) clr_tbl.Get(key);
+ if ( clr_data == NULL )
+ {
+ wxLogError(_("XPM: Malformed pixel data!"));
+ }
+ else
+ {
+ img_data[0] = clr_data->R;
+ img_data[1] = clr_data->G;
+ img_data[2] = clr_data->B;
+ }
+ }
+ }
+
+ return img;
+}
+
+
+#endif // wxUSE_IMAGE && wxUSE_XPM
projects / wxWidgets.git / commitdiff
