summaryrefslogtreecommitdiffstats
path: root/tools/qembed/qembed.cpp
blob: 80e7956d38233a7a91d5b78e50de86cbb619067f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
/****************************************************************************
**
** Utility program for embedding binary data into a C/C++ source code.
** It reads a binary file and generates a C array with the binary data.
** The C code is written to standard output.
**
** Created : 951017
**
** Copyright (C) 1995-2008 Trolltech ASA.  All rights reserved.
**
** Permission to use, copy, modify, and distribute this software and its
** documentation for any purpose and without fee is hereby granted, provided
** that this copyright notice appears in all copies.
** No representations are made about the suitability of this software for any
** purpose. It is provided "as is" without express or implied warranty.
**
*****************************************************************************/

#include <qstring.h>
#include <qfile.h>
#include <qfileinfo.h>
#include <qptrlist.h>
#include <qtextstream.h>
#include <qdatetime.h>
#include <qimage.h>
#include <qdict.h>
#include <qdir.h>
#include <ctype.h>
#include <stdlib.h>

static void embedData( const TQByteArray &input, TQFile *output );
static void embedData( const uchar* input, int size, TQFile *output );
static void embedData( const TQRgb* input, int size, TQFile *output );
static TQString convertFileNameToCIdentifier( const char * );

static const char header[] = "/* Generated by qembed */\n";

struct Embed {
    uint size;
    TQString name;
    TQString cname;
};

struct EmbedImage {
    int width;
    int height;
    int depth;
    int numColors;
    TQRgb* colorTable;
    TQString name;
    TQString cname;
    bool alpha;
};

int main( int argc, char **argv )
{
    if ( argc < 2 ) {
	qWarning( "Usage:\n\t%s [--images] files", argv[0] );
	return 1;
    }

    TQFile output;
    bool output_hdr = FALSE;
    bool images = FALSE;
    output.open( IO_WriteOnly, stdout );
    TQTextStream out( &output );

    TQPtrList<EmbedImage> list_image;
    TQPtrList<Embed> list;
    list.setAutoDelete( TRUE );
    list_image.setAutoDelete( TRUE );

    long l = rand();
    out << "#ifndef _QEMBED_" << l << endl;
    out << "#define _QEMBED_" << l << endl;

    TQStringList args;
    for ( int i = 1; i < argc; ++i ) {
	TQString file( argv[i] );
#ifdef Q_WS_WIN
	// Since wildcards are not expanded automatically for us on Windows, we need to do 
	// it ourselves
	if ( file.contains( '*' ) || file.contains( '?' ) ) {
	    TQDir d;
	    const TQFileInfoList *fiList = d.entryInfoList( file, TQDir::Files );
	    TQFileInfoListIterator it(*fiList);
	    while ( it.current() ) {
		args << (*it)->filePath();
		++it;
	    }
	} else
#endif
	    args << file;
    }
    for ( TQStringList::Iterator it = args.begin(); it != args.end(); ++it ) {
	TQString arg = (*it);
	if ( arg == "--images" ) {
	    if ( !images ) {
		out << "#include <qimage.h>\n";
		out << "#include <qdict.h>\n";
		images = TRUE;
	    }
	} else {
	    TQFile f( *it );
	    if ( !f.open(IO_ReadOnly) ) {
		qWarning( "Cannot open file %s, ignoring it", (*it).latin1() );
		continue;
	    }
	    TQByteArray a( f.size() );
	    if ( f.size() == 0
		 || f.readBlock(a.data(), f.size()) != (int)f.size() ) {
		qWarning( "Cannot read file %s, ignoring it", (*it).latin1() );
		continue;
	    }
	    if ( images ) {
		TQImage img;
		if ( !img.loadFromData(a) ) {
		    qWarning( "Cannot read image from file %s, ignoring it", (*it).latin1() );
		    continue;
		}
		EmbedImage *e = new EmbedImage;
		e->width = img.width();
		e->height = img.height();
		e->depth = img.depth();
		e->numColors = img.numColors();
		e->colorTable = new TQRgb[e->numColors];
		e->alpha = img.hasAlphaBuffer();
		memcpy(e->colorTable, img.colorTable(), e->numColors*sizeof(TQRgb));
		TQFileInfo fi( (*it) );
		e->name = fi.baseName();
		e->cname = convertFileNameToCIdentifier( e->name.latin1() );
		list_image.append( e );
		TQString s;
		if ( e->depth == 32 ) {
		    out << s.sprintf( "static const TQRgb %s_data[] = {",
				   (const char *)e->cname );
		    embedData( (TQRgb*)img.bits(), e->width*e->height, &output );
		} else {
		    if ( e->depth == 1 )
			img = img.convertBitOrder(TQImage::BigEndian);
		    out << s.sprintf( "static const unsigned char %s_data[] = {",
				   (const char *)e->cname );
		    embedData( img.bits(), img.numBytes(), &output );
		}
		out << "\n};\n\n";
		if ( e->numColors ) {
		    out << s.sprintf( "static const TQRgb %s_ctable[] = {",
				   (const char *)e->cname );
		    embedData( e->colorTable, e->numColors, &output );
		    out << "\n};\n\n";
		}
	    } else {
		Embed *e = new Embed;
		e->size = f.size();
		e->name = (*it);
		e->cname = convertFileNameToCIdentifier( (*it) );
		list.append( e );
		TQString s;
		out << s.sprintf( "static const unsigned int  %s_len = %d;\n",
			       (const char *)e->cname, e->size );
		out << s.sprintf( "static const unsigned char %s_data[] = {",
			       (const char *)e->cname );
		embedData( a, &output );
		out << "\n};\n\n";
	    }
	    if ( !output_hdr ) {
		output_hdr = TRUE;
		out << header;
	    }
	}
    }

    if ( list.count() > 0 ) {
	out << "#include <qcstring.h>\n";
	if ( !images )
	    out << "#include <qdict.h>\n";

	out << "static struct Embed {\n"
	       "    unsigned int size;\n"
	       "    const unsigned char *data;\n"
	       "    const char *name;\n"
	       "} embed_vec[] = {\n";
	Embed *e = list.first();
	while ( e ) {
	    out << "    { " << e->size << ", " << e->cname << "_data, "
		 << "\"" << e->name << "\" },\n";
	    e = list.next();
	}
	out << "    { 0, 0, 0 }\n};\n";

	out << "\n"
"static const TQByteArray& qembed_findData( const char* name )\n"
"{\n"
"    static TQDict<TQByteArray> dict;\n"
"    TQByteArray* ba = dict.find( name );\n"
"    if ( !ba ) {\n"
"	for ( int i = 0; embed_vec[i].data; i++ ) {\n"
"	    if ( strcmp(embed_vec[i].name, name) == 0 ) {\n"
"		ba = new TQByteArray;\n"
"		ba->setRawData( (char*)embed_vec[i].data,\n"
"				embed_vec[i].size );\n"
"		dict.insert( name, ba );\n"
"		break;\n"
"	    }\n"
"	}\n"
"	if ( !ba ) {\n"
"	    static TQByteArray dummy;\n"
"	    return dummy;\n"
"	}\n"
"    }\n"
"    return *ba;\n"
"}\n\n";
    }

    if ( list_image.count() > 0 ) {
	out << "static struct EmbedImage {\n"
	       "    int width, height, depth;\n"
	       "    const unsigned char *data;\n"
	       "    int numColors;\n"
	       "    const TQRgb *colorTable;\n"
	       "    bool alpha;\n"
	       "    const char *name;\n"
	       "} embed_image_vec[] = {\n";
	EmbedImage *e = list_image.first();
	while ( e ) {
	    out << "    { "
		<< e->width << ", "
		<< e->height << ", "
		<< e->depth << ", "
		<< "(const unsigned char*)" << e->cname << "_data, "
		<< e->numColors << ", ";
	    if ( e->numColors )
		out << e->cname << "_ctable, ";
	    else
		out << "0, ";
	    if ( e->alpha )
		out << "TRUE, ";
	    else
		out << "FALSE, ";
	    out << "\"" << e->name << "\" },\n";
	    e = list_image.next();
	}
	out << "    { 0, 0, 0, 0, 0, 0, 0, 0 }\n};\n";

	out << "\n"
"static const TQImage& qembed_findImage( const TQString& name )\n"
"{\n"
"    static TQDict<TQImage> dict;\n"
"    TQImage* img = dict.find( name );\n"
"    if ( !img ) {\n"
"	for ( int i = 0; embed_image_vec[i].data; i++ ) {\n"
"	    if ( strcmp(embed_image_vec[i].name, name.latin1()) == 0 ) {\n"
"		img = new TQImage((uchar*)embed_image_vec[i].data,\n"
"			    embed_image_vec[i].width,\n"
"			    embed_image_vec[i].height,\n"
"			    embed_image_vec[i].depth,\n"
"			    (TQRgb*)embed_image_vec[i].colorTable,\n"
"			    embed_image_vec[i].numColors,\n"
"			    TQImage::BigEndian );\n"
"		if ( embed_image_vec[i].alpha )\n"
"		    img->setAlphaBuffer( TRUE );\n"
"		dict.insert( name, img );\n"
"		break;\n"
"	    }\n"
"	}\n"
"	if ( !img ) {\n"
"	    static TQImage dummy;\n"
"	    return dummy;\n"
"	}\n"
"    }\n"
"    return *img;\n"
"}\n\n";
    }

    out << "#endif" << endl;

    return 0;
}


TQString convertFileNameToCIdentifier( const char *s )
{
    TQString r = s;
    int len = r.length();
    if ( len > 0 && !isalpha( (char)r[0].latin1() ) )
	r[0] = '_';
    for ( int i = 1; i < len; i++ ) {
	if ( !isalnum( (char)r[i].latin1() ) )
	    r[i] = '_';
    }
    return r;
}


void embedData( const TQByteArray &input, TQFile *output )
{
    embedData((uchar*)input.data(), input.size(), output);
}

void embedData( const uchar* input, int nbytes, TQFile *output )
{
    static const char hexdigits[] = "0123456789abcdef";
    TQString s;
    for ( int i=0; i<nbytes; i++ ) {
	if ( (i%14) == 0 ) {
	    s += "\n    ";
	    output->writeBlock( (const char*)s, s.length() );
	    s.truncate( 0 );
	}
	uint v = input[i];
	s += "0x";
	s += hexdigits[(v >> 4) & 15];
	s += hexdigits[v & 15];
	if ( i < nbytes-1 )
	    s += ',';
    }
    if ( s.length() )
	output->writeBlock( (const char*)s, s.length() );
}

void embedData( const TQRgb* input, int n, TQFile *output )
{
    TQString s;
    for ( int i = 0; i < n; i++ ) {
	if ( (i % 14) == 0 ) {
	    s += "\n    ";
	    output->writeBlock( (const char*)s, s.length() );
	    s.truncate( 0 );
	}
	TQRgb v = input[i];
	s += "0x";
	s += TQString::number( v, 16 );
	if ( i < n-1 )
	    s += ',';
    }
    if ( s.length() )
	output->writeBlock( (const char*)s, s.length() );
}