summaryrefslogtreecommitdiffstats
path: root/tools/designer/uic/embed.cpp
blob: 937e1cce69052651dd24fafd1ed0d67648355e45 (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
/**********************************************************************
** Copyright (C) 2000-2008 Trolltech ASA.  All rights reserved.
**
** This file is part of TQt Designer.
**
** This file may be used under the terms of the GNU General
** Public License versions 2.0 or 3.0 as published by the Free
** Software Foundation and appearing in the files LICENSE.GPL2
** and LICENSE.GPL3 included in the packaging of this file.
** Alternatively you may (at your option) use any later version
** of the GNU General Public License if such license has been
** publicly approved by Trolltech ASA (or its successors, if any)
** and the KDE Free TQt Foundation.
**
** Please review the following information to ensure GNU General
** Public Licensing requirements will be met:
** http://trolltech.com/products/qt/licenses/licensing/opensource/.
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
** or contact the sales department at sales@trolltech.com.
**
** Licensees holding valid TQt Commercial licenses may use this file in
** accordance with the TQt Commercial License Agreement provided with
** the Software.
**
** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
** herein.
**
**********************************************************************/

#include "uic.h"
#include <ntqfile.h>
#include <ntqimage.h>
#include <ntqstringlist.h>
#include <ntqdatetime.h>
#include <ntqfileinfo.h>
#include <stdio.h>
#include <ctype.h>

// on embedded, we do not compress image data. Rationale: by mapping
// the ready-only data directly into memory we are both faster and
// more memory efficient
#if defined(Q_WS_QWS) && !defined(TQT_NO_IMAGE_COLLECTION_COMPRESSION)
#define TQT_NO_IMAGE_COLLECTION_COMPRESSION
#endif

struct EmbedImage
{
    ~EmbedImage() { delete[] colorTable; }
    int width, height, depth;
    int numColors;
    TQRgb* colorTable;
    TQString name;
    TQString cname;
    bool alpha;
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
    ulong compressed;
#endif
};

static TQString convertToCIdentifier( 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;
}


static ulong embedData( TQTextStream& out, const uchar* input, int nbytes )
{
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
    TQByteArray bazip( tqCompress( input, nbytes ) );
    ulong len = bazip.size();
#else
    ulong len = nbytes;
#endif
    static const char hexdigits[] = "0123456789abcdef";
    TQString s;
    for ( int i=0; i<(int)len; i++ ) {
	if ( (i%14) == 0 ) {
	    s += "\n    ";
	    out << (const char*)s;
	    s.truncate( 0 );
	}
	uint v = (uchar)
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
		 bazip
#else
		 input
#endif
		 [i];
	s += "0x";
	s += hexdigits[(v >> 4) & 15];
	s += hexdigits[v & 15];
	if ( i < (int)len-1 )
	    s += ',';
    }
    if ( s.length() )
	out << (const char*)s;
    return len;
}

static void embedData( TQTextStream& out, const TQRgb* input, int n )
{
    out << hex;
    const TQRgb *v = input;
    for ( int i=0; i<n; i++ ) {
	if ( (i%14) == 0  )
	    out << "\n    ";
	out << "0x";
	out << hex << *v++;
	if ( i < n-1 )
	    out << ',';
    }
    out << dec; // back to decimal mode
}

void Uic::embed( TQTextStream& out, const char* project, const TQStringList& images )
{

    TQString cProject = convertToCIdentifier( project );

    TQStringList::ConstIterator it;
    out << "/****************************************************************************\n";
    out << "** Image collection for project '" << project << "'.\n";
    out << "**\n";
    out << "** Generated from reading image files: \n";
    for ( it = images.begin(); it != images.end(); ++it )
	out << "**      " << *it << "\n";
    out << "**\n";
    out << "** Created: " << TQDateTime::currentDateTime().toString() << "\n";
    out << "**\n";
    out << "** WARNING! All changes made in this file will be lost!\n";
    out << "****************************************************************************/\n";
    out << "\n";

    out << "#include <ntqimage.h>\n";
    out << "#include <ntqdict.h>\n";
    out << "#include <ntqmime.h>\n";
    out << "#include <ntqdragobject.h>\n";
    out << "\n";

    TQPtrList<EmbedImage> list_image;
    list_image.setAutoDelete( TRUE );
    int image_count = 0;
    for ( it = images.begin(); it != images.end(); ++it ) {
	TQImage img;
	if ( !img.load( *it ) ) {
	    fprintf( stderr, "uic: cannot load image file %s\n", (*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.fileName();
	e->cname = TQString("image_%1").arg( image_count++);
	list_image.append( e );
	out << "// " << *it << "\n";
	TQString s;
	if ( e->depth == 1 )
	    img = img.convertBitOrder(TQImage::BigEndian);
	out << s.sprintf( "static const unsigned char %s_data[] = {",
			  (const char *)e->cname );
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
	e->compressed =
#endif
	    embedData( out, img.bits(), img.numBytes() );
	out << "\n};\n\n";
	if ( e->numColors ) {
	    out << s.sprintf( "static const TQRgb %s_ctable[] = {",
			      (const char *)e->cname );
	    embedData( out, e->colorTable, e->numColors );
	    out << "\n};\n\n";
	}
    }

    if ( !list_image.isEmpty() ) {
	out << "static struct EmbedImage {\n"
	    "    int width, height, depth;\n"
	    "    const unsigned char *data;\n"
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
	    "    ulong compressed;\n"
#endif
	    "    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, "
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
		<< e->compressed << ", "
#endif
		<< 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();
	}
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
	out << "    { 0, 0, 0, 0, 0, 0, 0, 0, 0 }\n};\n";
#else
	out << "    { 0, 0, 0, 0, 0, 0, 0, 0 }\n};\n";
#endif

	out << "\n"
	    "static TQImage uic_findImage( const TQString& name )\n"
	    "{\n"
	    "    for ( int i=0; embed_image_vec[i].data; i++ ) {\n"
	    "	if ( TQString::fromUtf8(embed_image_vec[i].name) == name ) {\n"
#ifndef TQT_NO_IMAGE_COLLECTION_COMPRESSION
	    "	    TQByteArray baunzip;\n"
	    "	    baunzip = tqUncompress( embed_image_vec[i].data, \n"
	    "		embed_image_vec[i].compressed );\n"
	    "	    TQImage img((uchar*)baunzip.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"
	    "		);\n"
	    "	    img = img.copy();\n"
#else
	    "	    TQImage img((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"
	    "		);\n"
#endif
	    "	    if ( embed_image_vec[i].alpha )\n"
	    "		img.setAlphaBuffer(TRUE);\n"
	    "	    return img;\n"
	    "        }\n"
	    "    }\n"
	    "    return TQImage();\n"
	    "}\n\n";

	out << "class MimeSourceFactory_" << cProject << " : public TQMimeSourceFactory\n";
	out << "{\n";
	out << "public:\n";
	out << "    MimeSourceFactory_" << cProject << "() {}\n";
	out << "    ~MimeSourceFactory_" << cProject << "() {}\n";
	out << "    const TQMimeSource* data( const TQString& abs_name ) const {\n";
	out << "\tconst TQMimeSource* d = TQMimeSourceFactory::data( abs_name );\n";
	out << "\tif ( d || abs_name.isNull() ) return d;\n";
	out << "\tTQImage img = uic_findImage( abs_name );\n";
	out << "\tif ( !img.isNull() )\n";
	out << "\t    ((TQMimeSourceFactory*)this)->setImage( abs_name, img );\n";
	out << "\treturn TQMimeSourceFactory::data( abs_name );\n";
	out << "    };\n";
	out << "};\n\n";

	out << "static TQMimeSourceFactory* factory = 0;\n";
	out << "\n";

	out << "Q_EXPORT void qInitImages_" << cProject << "()\n";
	out << "{\n";
	out << "    if ( !factory ) {\n";
	out << "\tfactory = new MimeSourceFactory_" << cProject << ";\n";
	out << "\tTQMimeSourceFactory::defaultFactory()->addFactory( factory );\n";
	out << "    }\n";
	out << "}\n\n";

	out << "void qCleanupImages_" << cProject << "()\n";
	out << "{\n";
	out << "    if ( factory ) {\n";
	out << "\tTQMimeSourceFactory::defaultFactory()->removeFactory( factory );\n";
	out << "\tdelete factory;\n";
	out << "\tfactory = 0;\n";
	out << "    }\n";
	out << "}\n\n";

	out << "class StaticInitImages_" << cProject << "\n";
	out << "{\n";
	out << "public:\n";
	out << "    StaticInitImages_" << cProject << "() { qInitImages_" << cProject << "(); }\n";
	out << "#if defined(Q_OS_SCO) || defined(Q_OS_UNIXWARE)\n";
	out << "    ~StaticInitImages_" << cProject << "() { }\n";
	out << "#else\n";
	out << "    ~StaticInitImages_" << cProject << "() { qCleanupImages_" << cProject << "(); }\n";
	out << "#endif\n";
	out << "};\n\n";

	out << "static StaticInitImages_" << cProject << " staticImages;\n";
    }
}