Added old abandoned KDE3 version of gwenview

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/gwenview@1088034 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 165 insertions, 0 deletions

diff --git a/src/gvcore/documentloadingimpl.cpp b/src/gvcore/documentloadingimpl.cpp
new file mode 100644
index 0000000..e148543
--- /dev/null
+++ b/src/gvcore/documentloadingimpl.cpp
@@ -0,0 +1,165 @@
+// vim: set tabstop=4 shiftwidth=4 noexpandtab
+/*
+Gwenview - A simple image viewer for KDE
+Copyright 2000-2004 Aurélien Gâteau
+ 
+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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ 
+*/
+
+#include "documentloadingimpl.moc"
+
+// Qt
+
+// 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, SIGNAL( urlKindDetermined()), SLOT( slotURLKindDetermined() ));
+	connect( d->mLoader, SIGNAL( sizeLoaded( int, int )), SLOT( sizeLoaded( int, int )));
+	connect( d->mLoader, SIGNAL( imageChanged( const QRect& )), SLOT( imageChanged( const QRect& )));
+	connect( d->mLoader, SIGNAL( imageLoaded( bool )), SLOT( imageLoaded( bool )));
+
+	// it's possible the loader already has the whole or at least part of the image loaded
+	QImage image = d->mLoader->processedImage();
+	if (!image.isNull()) {
+		if( d->mLoader->frames().count() > 0 ) {
+			setImage( d->mLoader->frames().first().image);
+			emitImageRectUpdated();
+		} else {
+			setImage(image);
+			QMemArray< QRect > rects = d->mLoader->loadedRegion().rects();
+			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("");
+
+	QCString 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 QRect& 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