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
|
// vim: set tabstop=4 shiftwidth=4 noexpandtab
/*
Gwenview - A simple image viewer for KDE
Copyright 2000-2004 Aur�lien G�teau
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "documentloadingimpl.moc"
// TQt
// KDE
#include <kmimetype.h>
// Local
#include "imageloader.h"
#include "documentotherloadedimpl.h"
#include "documentanimatedloadedimpl.h"
#include "documentloadedimpl.h"
#include "documentjpegloadedimpl.h"
#include "mimetypeutils.h"
namespace Gwenview {
#undef ENABLE_LOG
#undef LOG
//#define ENABLE_LOG
#ifdef ENABLE_LOG
#define LOG(x) kdDebug() << k_funcinfo << x << endl
#else
#define LOG(x) ;
#endif
//---------------------------------------------------------------------
//
// DocumentLoadingImplPrivate
//
//---------------------------------------------------------------------
class DocumentLoadingImplPrivate {
public:
DocumentLoadingImplPrivate()
: mLoader( NULL )
{}
ImageLoader* mLoader;
};
//---------------------------------------------------------------------
//
// DocumentLoadingImpl
//
//---------------------------------------------------------------------
DocumentLoadingImpl::DocumentLoadingImpl(Document* document)
: DocumentImpl(document) {
LOG("");
d=new DocumentLoadingImplPrivate;
}
DocumentLoadingImpl::~DocumentLoadingImpl() {
LOG("");
delete d;
}
void DocumentLoadingImpl::init() {
LOG("");
d->mLoader = ImageLoader::loader( mDocument->url(), this, BUSY_LOADING );
if (d->mLoader->urlKind()==MimeTypeUtils::KIND_FILE) {
LOG("urlKind already determined");
switchToImpl(new DocumentOtherLoadedImpl(mDocument));
return;
}
connect( d->mLoader, TQT_SIGNAL( urlKindDetermined()), TQT_SLOT( slotURLKindDetermined() ));
connect( d->mLoader, TQT_SIGNAL( sizeLoaded( int, int )), TQT_SLOT( sizeLoaded( int, int )));
connect( d->mLoader, TQT_SIGNAL( imageChanged( const TQRect& )), TQT_SLOT( imageChanged( const TQRect& )));
connect( d->mLoader, TQT_SIGNAL( imageLoaded( bool )), TQT_SLOT( imageLoaded( bool )));
// it's possible the loader already has the whole or at least part of the image loaded
TQImage image = d->mLoader->processedImage();
if (!image.isNull()) {
if( d->mLoader->frames().count() > 0 ) {
setImage( d->mLoader->frames().first().image);
emitImageRectUpdated();
} else {
setImage(image);
TQMemArray< TQRect > rects = TQRegion(d->mLoader->loadedRegion()).tqrects();
for( unsigned int i = 0; i < rects.count(); ++i ) {
emit rectUpdated(rects[i]);
}
}
}
if( d->mLoader->completed()) imageLoaded( d->mLoader->frames().count() != 0 );
// 'this' may be deleted here
}
void DocumentLoadingImpl::slotURLKindDetermined() {
LOG("");
if (d->mLoader->urlKind()==MimeTypeUtils::KIND_FILE) {
switchToImpl(new DocumentOtherLoadedImpl(mDocument));
}
}
void DocumentLoadingImpl::imageLoaded( bool ok ) {
LOG("");
TQCString format = d->mLoader->imageFormat();
if ( !ok || format.isEmpty()) {
// Unknown format, no need to go further
emit finished(false);
switchToImpl(new DocumentEmptyImpl(mDocument));
return;
}
setImageFormat( format );
setMimeType(d->mLoader->mimeType());
// Update file info
setFileSize(d->mLoader->rawData().size());
// Now we switch to a loaded implementation
if ( d->mLoader->frames().count() > 1 ) {
switchToImpl( new DocumentAnimatedLoadedImpl(mDocument, d->mLoader->frames()));
} else if ( format == "JPEG" ) {
switchToImpl( new DocumentJPEGLoadedImpl(mDocument, d->mLoader->rawData()) );
} else {
switchToImpl(new DocumentLoadedImpl(mDocument));
}
}
void DocumentLoadingImpl::imageChanged(const TQRect& rect) {
LOG(rect);
setImage(d->mLoader->processedImage());
emit rectUpdated(rect);
}
void DocumentLoadingImpl::sizeLoaded(int width, int height) {
LOG(width << "x" << height);
// Silence compiler
width=width;
height=height;
setImage(d->mLoader->processedImage());
emit sizeUpdated();
}
} // namespace
|
