/[pcsx2_0.9.7]/trunk/3rdparty/wxWidgets/src/common/imagxpm.cpp
ViewVC logotype

Contents of /trunk/3rdparty/wxWidgets/src/common/imagxpm.cpp

Parent Directory Parent Directory | Revision Log Revision Log


Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (10 years, 2 months ago) by william
File size: 8884 byte(s)
committing r3113 initial commit again...
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/common/imagxpm.cpp
3 // Purpose: wxXPMHandler
4 // Author: Vaclav Slavik, Robert Roebling
5 // RCS-ID: $Id: imagxpm.cpp 53477 2008-05-07 07:28:57Z JS $
6 // Copyright: (c) 2001 Vaclav Slavik
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 /*
11
12 This file is partially based on source code of ImageMagick by John Cristy. Its
13 license is as follows:
14
15 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
16 % %
17 % %
18 % %
19 % X X PPPP M M %
20 % X X P P MM MM %
21 % X PPPP M M M %
22 % X X P M M %
23 % X X P M M %
24 % %
25 % %
26 % Read/Write ImageMagick Image Format. %
27 % %
28 % %
29 % Software Design %
30 % John Cristy %
31 % July 1992 %
32 % %
33 % %
34 % Copyright (C) 2001 ImageMagick Studio, a non-profit organization dedicated %
35 % to making software imaging solutions freely available. %
36 % %
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: %
43 % %
44 % The above copyright notice and this permission notice shall be included in %
45 % all copies or substantial portions of ImageMagick. %
46 % %
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 %
53 % ImageMagick. %
54 % %
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. %
59 % %
60 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
61 %
62 %
63 */
64
65 // For compilers that support precompilation, includes "wx.h".
66 #include "wx/wxprec.h"
67
68 #ifdef __BORLANDC__
69 #pragma hdrstop
70 #endif
71
72 #if wxUSE_XPM
73
74 #ifndef WX_PRECOMP
75 #include "wx/log.h"
76 #include "wx/intl.h"
77 #include "wx/utils.h"
78 #endif
79
80 #include "wx/imagxpm.h"
81 #include "wx/wfstream.h"
82 #include "wx/xpmdecod.h"
83
84 IMPLEMENT_DYNAMIC_CLASS(wxXPMHandler,wxImageHandler)
85
86 //-----------------------------------------------------------------------------
87 // wxXPMHandler
88 //-----------------------------------------------------------------------------
89
90 #if wxUSE_STREAMS
91
92 bool wxXPMHandler::LoadFile(wxImage *image,
93 wxInputStream& stream,
94 bool WXUNUSED(verbose), int WXUNUSED(index))
95 {
96 wxXPMDecoder decoder;
97
98 wxImage img = decoder.ReadFile(stream);
99 if ( !img.Ok() )
100 return false;
101 *image = img;
102 return true;
103 }
104
105 bool wxXPMHandler::SaveFile(wxImage * image,
106 wxOutputStream& stream, bool WXUNUSED(verbose))
107 {
108 // 1. count colours:
109 #define MaxCixels 92
110 static const char Cixel[MaxCixels+1] =
111 " .XoO+@#$%&*=-;:>,<1234567890qwertyuipasdfghjk"
112 "lzxcvbnmMNBVCZASDFGHJKLPIUYTREWQ!~^/()_`'][{}|";
113 int i, j, k;
114
115 wxImageHistogram histogram;
116 int cols = int(image->ComputeHistogram(histogram));
117
118 int chars_per_pixel = 1;
119 for ( k = MaxCixels; cols > k; k *= MaxCixels)
120 chars_per_pixel++;
121
122 // 2. write the header:
123 wxString sName;
124 if ( image->HasOption(wxIMAGE_OPTION_FILENAME) )
125 {
126 wxSplitPath(image->GetOption(wxIMAGE_OPTION_FILENAME),
127 NULL, &sName, NULL);
128 sName << wxT("_xpm");
129 }
130
131 if ( !sName.empty() )
132 sName = wxString(wxT("/* XPM */\nstatic const char *")) + sName;
133 else
134 sName = wxT("/* XPM */\nstatic const char *xpm_data");
135 stream.Write( (const char*) sName.ToAscii(), sName.Len() );
136
137 char tmpbuf[200];
138 // VS: 200b is safe upper bound for anything produced by sprintf below
139 // (<101 bytes the string, neither %i can expand into more than 10 chars)
140 sprintf(tmpbuf,
141 "[] = {\n"
142 "/* columns rows colors chars-per-pixel */\n"
143 "\"%i %i %i %i\",\n",
144 image->GetWidth(), image->GetHeight(), cols, chars_per_pixel);
145 stream.Write(tmpbuf, strlen(tmpbuf));
146
147 // 3. create color symbols table:
148 char *symbols_data = new char[cols * (chars_per_pixel+1)];
149 char **symbols = new char*[cols];
150
151 // 2a. find mask colour:
152 unsigned long mask_key = 0x1000000 /*invalid RGB value*/;
153 if (image->HasMask())
154 mask_key = (image->GetMaskRed() << 16) |
155 (image->GetMaskGreen() << 8) | image->GetMaskBlue();
156
157 // 2b. generate colour table:
158 for (wxImageHistogram::iterator entry = histogram.begin();
159 entry != histogram.end(); ++entry )
160 {
161 unsigned long index = entry->second.index;
162 symbols[index] = symbols_data + index * (chars_per_pixel+1);
163 char *sym = symbols[index];
164
165 for (j = 0; j < chars_per_pixel; j++)
166 {
167 sym[j] = Cixel[index % MaxCixels];
168 index /= MaxCixels;
169 }
170 sym[j] = '\0';
171
172 unsigned long key = entry->first;
173
174 if (key == 0)
175 sprintf( tmpbuf, "\"%s c Black\",\n", sym);
176 else if (key == mask_key)
177 sprintf( tmpbuf, "\"%s c None\",\n", sym);
178 else
179 {
180 wxByte r = wxByte(key >> 16);
181 wxByte g = wxByte(key >> 8);
182 wxByte b = wxByte(key);
183 sprintf(tmpbuf, "\"%s c #%02X%02X%02X\",\n", sym, r, g, b);
184 }
185 stream.Write( tmpbuf, strlen(tmpbuf) );
186 }
187
188 stream.Write("/* pixels */\n", 13);
189
190 unsigned char *data = image->GetData();
191 for (j = 0; j < image->GetHeight(); j++)
192 {
193 char tmp_c;
194 tmp_c = '\"'; stream.Write(&tmp_c, 1);
195 for (i = 0; i < image->GetWidth(); i++, data += 3)
196 {
197 unsigned long key = (data[0] << 16) | (data[1] << 8) | (data[2]);
198 stream.Write(symbols[histogram[key].index], chars_per_pixel);
199 }
200 tmp_c = '\"'; stream.Write(&tmp_c, 1);
201 if ( j + 1 < image->GetHeight() )
202 {
203 tmp_c = ','; stream.Write(&tmp_c, 1);
204 }
205 tmp_c = '\n'; stream.Write(&tmp_c, 1);
206 }
207 stream.Write("};\n", 3 );
208
209 // Clean up:
210 delete[] symbols;
211 delete[] symbols_data;
212
213 return true;
214 }
215
216 bool wxXPMHandler::DoCanRead(wxInputStream& stream)
217 {
218 wxXPMDecoder decoder;
219 return decoder.CanRead(stream);
220 }
221
222 #endif // wxUSE_STREAMS
223
224 #endif // wxUSE_XPM

  ViewVC Help
Powered by ViewVC 1.1.22