- add realtime preview widget with zoom control

The camera driver is damn slow. For a 240x160x16 image, it takes ~100ms. That gives approx. 10fps which is too slow for doing video. :(

1 files changed, 45 insertions, 0 deletions

diff --git a/noncore/multimedia/camera/previewwidget.cpp b/noncore/multimedia/camera/previewwidget.cpp
new file mode 100644
index 0000000..bb84c00
--- a/dev/null
+++ b/noncore/multimedia/camera/previewwidget.cpp
@@ -0,0 +1,45 @@
+/**********************************************************************
+** Copyright (C) 2002 Michael 'Mickey' Lauer.  All rights reserved.
+**
+** This file is part of Opie Environment.
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU General Public License version 2 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+**********************************************************************/
+
+#include "previewwidget.h"
+#include "zcameraio.h"
+
+PreviewWidget::PreviewWidget( QWidget * parent, const char * name, WFlags f )
+           :QLabel( parent, name, f )
+{
+    setFixedSize( QSize( 240, 160 ) );
+    setBackgroundMode( NoBackground );
+
+    startTimer( 150 );
+};
+
+
+PreviewWidget::~PreviewWidget()
+{
+}
+
+
+void PreviewWidget::timerEvent( QTimerEvent*  )
+{
+    //QDirectPainter fb( this );
+    //ZCameraIO::instance()->snapshot( fb.frameBuffer() );
+
+    if ( ZCameraIO::instance()->snapshot( &i ) )
+    {
+        p.convertFromImage( i );
+        setPixmap( p );
+    }
+}
+