make opiecam work!

7 files changed, 234 insertions, 18 deletions

diff --git a/noncore/multimedia/camera/camera.pro b/noncore/multimedia/camera/camera.pro
index 16da0c9..ffd5f37 100644
--- a/noncore/multimedia/camera/camera.pro
+++ b/noncore/multimedia/camera/camera.pro
@@ -1,23 +1,23 @@
 MOC_DIR         = ./moc
 OBJECTS_DIR     = ./obj
 DESTDIR         = $(OPIEDIR)/bin
 TEMPLATE        = app
 CONFIG          = qt warn_on debug
 
 HEADERS         = zcameraio.h \
                   previewwidget.h \
                   mainwindow.h
 
 SOURCES         = zcameraio.cpp \
                   previewwidget.cpp \
                   mainwindow.cpp \
                   main.cpp
 
 INCLUDEPATH     += $(OPIEDIR)/include
 DEPENDPATH      += $(OPIEDIR)/include
-LIBS            += -lqpe -lopiecore2
+LIBS            += -lqpe -lopie -lopiecore2
 INTERFACES      =
 TARGET          = opiecam
 
 include ( $(OPIEDIR)/include.pro )
 
diff --git a/noncore/multimedia/camera/mainwindow.cpp b/noncore/multimedia/camera/mainwindow.cpp
index 34ebe9e..8e89039 100644
--- a/noncore/multimedia/camera/mainwindow.cpp
+++ b/noncore/multimedia/camera/mainwindow.cpp
@@ -1,121 +1,253 @@
 /**********************************************************************
 ** 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 "mainwindow.h"
 #include "previewwidget.h"
 #include "zcameraio.h"
 
+#include <qapplication.h>
+#include <qaction.h>
 #include <qvbox.h>
 #include <qcombobox.h>
 #include <qcursor.h>
 #include <qdatastream.h>
+#include <qfile.h>
+#include <qimage.h>
 #include <qlabel.h>
 #include <qpopupmenu.h>
 #include <qpushbutton.h>
 #include <qmessagebox.h>
 #include <qdirectpainter_qws.h>
+#include <qpe/global.h>
 #include <qpe/resource.h>
 #include <qpe/qcopenvelope_qws.h>
 #include <opie/ofiledialog.h>
+#include <opie/odevice.h>
+using namespace Opie;
 
 #include <opie2/odebug.h>
 
 #include <assert.h>
 
 CameraMainWindow::CameraMainWindow( QWidget * parent, const char * name, WFlags f )
-           :QMainWindow( parent, name, f )
+           :QMainWindow( parent, name, f ), _pics( 0 )
 {
+    #ifdef QT_NO_DEBUG
     if ( !ZCameraIO::instance()->isOpen() )
     {
         QVBox* v = new QVBox( this );
         v->setMargin( 10 );
         QLabel* l1 = new QLabel( v );
         l1->setPixmap( Resource::loadPixmap( "camera/error" ) );
         QLabel* l2 = new QLabel( v );
         l2->setText( "<b>Sorry. could not detect your camera :-(</b><p>"
         "* Is the sharpzdc_cs module loaded ?<br>"
         "* Is /dev/sharpzdc read/writable ?<p>" );
         connect( new QPushButton( "Exit", v ), SIGNAL( clicked() ), this, SLOT( close() ) );
         setCentralWidget( v );
         return;
     }
+    #endif
+
+    init();
 
     _rotation = 270; //TODO: grab these from the actual settings
 
     preview = new PreviewWidget( this, "camera preview widget" );
     //setCentralWidget( preview ); <--- don't do this!
     preview->resize( QSize( 240, 288 ) );
     preview->show();
 
     // construct a System Channel to receive setRotation messages
     _sysChannel = new QCopChannel( "QPE/System", this );
     connect( _sysChannel, SIGNAL( received( const QCString&, const QByteArray& ) ),
              this, SLOT( systemMessage( const QCString&, const QByteArray& ) ) );
 
     connect( preview, SIGNAL( contextMenuRequested() ), this, SLOT( showContextMenu() ) );
+
+    connect( ZCameraIO::instance(), SIGNAL( shutterClicked() ), this, SLOT( shutterClicked() ) );
 };
 
 
 CameraMainWindow::~CameraMainWindow()
 {
 }
 
 
+void CameraMainWindow::init()
+{
+    // TODO: Save this stuff in config
+    quality = 50;
+    zoom = 1;
+    captureX = 640;
+    captureY = 480;
+    captureFormat = "JPEG";
+
+    resog = new QActionGroup( 0, "reso", true );
+    resog->setToggleAction( true );
+    new QAction( " 64 x  48", 0, 0, resog, 0, true );
+    new QAction( "128 x  96", 0, 0, resog, 0, true );
+    new QAction( "192 x 144", 0, 0, resog, 0, true );
+    new QAction( "256 x 192", 0, 0, resog, 0, true );
+    new QAction( "320 x 240", 0, 0, resog, 0, true );
+    new QAction( "384 x 288", 0, 0, resog, 0, true );
+    new QAction( "448 x 336", 0, 0, resog, 0, true );
+    new QAction( "512 x 384", 0, 0, resog, 0, true );
+    new QAction( "576 x 432", 0, 0, resog, 0, true );
+    ( new QAction( "640 x 480", 0, 0, resog, 0, true ) )->setOn( true );
+
+    qualityg = new QActionGroup( 0, "quality", true );
+    qualityg->setToggleAction( true );
+    new QAction( "  0 (minimal)", 0, 0, qualityg, 0, true );
+    new QAction( " 25 (low)", 0, 0, qualityg, 0, true );
+    ( new QAction( " 50 (good)", 0, 0, qualityg, 0, true ) )->setOn( true );
+    new QAction( " 75 (better)", 0, 0, qualityg, 0, true );
+    new QAction( "100 (best)", 0, 0, qualityg, 0, true );
+
+    zoomg = new QActionGroup( 0, "zoom", true );
+    zoomg->setToggleAction( true );
+    ( new QAction( "x 1", 0, 0, zoomg, 0, true ) )->setOn( true );
+    new QAction( "x 2", 0, 0, zoomg, 0, true );
+
+    outputg = new QActionGroup( 0, "output", true );
+    outputg->setToggleAction( true );
+    ( new QAction( "JPEG", 0, 0, outputg, 0, true ) )->setOn( true );
+    new QAction( "PNG", 0, 0, outputg, 0, true );
+    new QAction( "BMP", 0, 0, outputg, 0, true );
+
+    connect( resog, SIGNAL( selected(QAction*) ), this, SLOT( resoMenuItemClicked(QAction*) ) );
+    connect( qualityg, SIGNAL( selected(QAction*) ), this, SLOT( qualityMenuItemClicked(QAction*) ) );
+    connect( zoomg, SIGNAL( selected(QAction*) ), this, SLOT( zoomMenuItemClicked(QAction*) ) );
+    connect( outputg, SIGNAL( selected(QAction*) ), this, SLOT( outputMenuItemClicked(QAction*) ) );
+}
+
+
 void CameraMainWindow::systemMessage( const QCString& msg, const QByteArray& data )
 {
     QDataStream stream( data, IO_ReadOnly );
     odebug << "received system message: " << msg << oendl;
     if ( msg == "setCurrentRotation(int)" )
     {
         stream >> _rotation;
         odebug << "received setCurrentRotation(" << _rotation << ")" << oendl;
 
         switch ( _rotation )
         {
             case 270: preview->resize( QSize( 240, 288 ) ); break;
             case 180: preview->resize( QSize( 320, 208 ) ); break;
             default: QMessageBox::warning( this, "opie-camera",
                 "This rotation is not supported.\n"
                 "Supported are 180° and 270°" );
         }
     }
 }
 
 
 void CameraMainWindow::changeZoom( int zoom )
 {
     int z;
     switch ( zoom )
     {
         case 0: z = 128; break;
         case 1: z = 256; break;
         case 2: z = 512; break;
         default: assert( 0 ); break;
     }
 
     ZCameraIO::instance()->setCaptureFrame( 240, 160, z );
 }
 
-
 void CameraMainWindow::showContextMenu()
 {
+    QPopupMenu reso;
+    reso.setCheckable( true );
+    resog->addTo( &reso );
+
+    QPopupMenu quality;
+    quality.setCheckable( true );
+    qualityg->addTo( &quality );
+
+    QPopupMenu zoom;
+    zoom.setCheckable( true );
+    zoomg->addTo( &zoom );
+
+    QPopupMenu output;
+    output.setCheckable( true );
+    outputg->addTo( &output );
+
     QPopupMenu m( this );
-    m.insertItem( "Item 1" );
-    m.insertItem( "Item 1" );
-    m.insertItem( "Item 1" );
-    m.insertItem( "Item 1" );
+    m.insertItem( "&Resolution", &reso );
+    m.insertItem( "&Zoom", &zoom );
+    m.insertItem( "&Quality", &quality );
+    m.insertItem( "&Output As", &output );
     m.exec( QCursor::pos() );
 }
 
+
+void CameraMainWindow::resoMenuItemClicked( QAction* a )
+{
+    captureX = a->text().left(3).toInt();
+    captureY = a->text().right(3).toInt();
+    odebug << "Capture Resolution now: " << captureX << ", " << captureY << oendl;
+}
+
+
+void CameraMainWindow::qualityMenuItemClicked( QAction* a )
+{
+    quality = a->text().left(3).toInt();
+    odebug << "Quality now: " << quality << oendl;
+}
+
+
+void CameraMainWindow::zoomMenuItemClicked( QAction* a )
+{
+    zoom = QString( a->text()[2] ).toInt();
+    odebug << "Zoom now: " << zoom << oendl;
+    ZCameraIO::instance()->setZoom( zoom );
+}
+
+
+void CameraMainWindow::outputMenuItemClicked( QAction* a )
+{
+    captureFormat = a->text();
+    odebug << "Output format now: " << captureFormat << oendl;
+}
+
+
+void CameraMainWindow::shutterClicked()
+{
+    Global::statusMessage( "CAPTURING..." );
+    qApp->processEvents();
+
+    odebug << "Shutter has been pressed" << oendl;
+    ODevice::inst()->touchSound();
+    QString name;
+    name.sprintf( "/tmp/image-%d_%d_%d_q%d.%s", _pics++, captureX, captureY, quality, (const char*) captureFormat.lower() );
+    QImage i;
+    ZCameraIO::instance()->captureFrame( captureX, captureY, zoom, &i );
+    QImage im = i.convertDepth( 32 );
+    bool result = im.save( name, captureFormat, quality );
+    if ( !result )
+    {
+        oerr << "imageio-Problem while writing." << oendl;
+        Global::statusMessage( "Error!" );
+    }
+    else
+    {
+        odebug << captureFormat << "-image has been successfully captured" << oendl;
+        Global::statusMessage( "Ok." );
+    }
+}
+
diff --git a/noncore/multimedia/camera/mainwindow.h b/noncore/multimedia/camera/mainwindow.h
index df66204..7a12452 100644
--- a/noncore/multimedia/camera/mainwindow.h
+++ b/noncore/multimedia/camera/mainwindow.h
@@ -1,53 +1,73 @@
 /**********************************************************************
 ** Copyright (C) 2003 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.
 **
 **********************************************************************/
 
 #ifndef MAINWINDOW_H
 #define MAINWINDOW_H
 
 #include <qmainwindow.h>
 #include <qdatetime.h>
 #include <qimage.h>
 #include <qpixmap.h>
 
+class QAction;
+class QActionGroup;
 class QIconSet;
 class QToolButton;
 class QLabel;
 class MainWindowBase;
 class QCopChannel;
 class PreviewWidget;
 
 class CameraMainWindow: public QMainWindow
 {
   Q_OBJECT
 
   public:
     CameraMainWindow( QWidget * parent = 0, const char * name = "mainwindow", WFlags f = 0 );
     virtual ~CameraMainWindow();
 
   public slots:
     void changeZoom( int );
     void systemMessage( const QCString&, const QByteArray& );
-
     void showContextMenu();
+    void resoMenuItemClicked( QAction* );
+    void qualityMenuItemClicked( QAction* );
+    void zoomMenuItemClicked( QAction* );
+    void outputMenuItemClicked( QAction* );
+    void shutterClicked();
 
   protected:
+    void init();
 
   private:
     PreviewWidget* preview;
     int _rotation;
     QCopChannel* _sysChannel;
+
+    QActionGroup* resog;
+    QActionGroup* qualityg;
+    QActionGroup* zoomg;
+    QActionGroup* outputg;
+
+    int quality;
+    int zoom;
+    int captureX;
+    int captureY;
+    QString captureFormat;
+
+    int _pics;
 };
 
 #endif
diff --git a/noncore/multimedia/camera/previewwidget.cpp b/noncore/multimedia/camera/previewwidget.cpp
index cdeacf6..f87dcc9 100644
--- a/noncore/multimedia/camera/previewwidget.cpp
+++ b/noncore/multimedia/camera/previewwidget.cpp
@@ -1,64 +1,74 @@
 /**********************************************************************
 ** 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"
 
 #include <opie2/odebug.h>
 
+#include <assert.h>
+
 PreviewWidget::PreviewWidget( QWidget * parent, const char * name, WFlags f )
            :QLabel( parent, name, f )
 {
     #ifndef QT_NO_DEBUG
     setBackgroundColor( QColor( 255, 0, 0 ) );
     #else
     setBackgroundMode( NoBackground );
     #endif
 
-
-    startTimer( 150 );
-    //startTimer( 2000 );
+    #ifndef QT_NO_DEBUG
+    if ( ZCameraIO::instance()->isOpen() ) startTimer( 1500 );
+    #else
+    if ( ZCameraIO::instance()->isOpen() ) startTimer( 200 );
+    #endif
 };
 
 
 PreviewWidget::~PreviewWidget()
 {
 }
 
 
 void PreviewWidget::resizeEvent( QResizeEvent* e )
 {
     QLabel::resizeEvent( e );
     int w = e->size().width();
     int h = e->size().height();
     ZCameraIO::instance()->setCaptureFrame( e->size().width(),
                                           e->size().height(),
                                           256,
                                           w < h );
 }
 
 
 void PreviewWidget::timerEvent( QTimerEvent*  )
 {
     //QDirectPainter fb( this );
     //ZCameraIO::instance()->snapshot( fb.frameBuffer() );
 
     if ( ZCameraIO::instance()->snapshot( &i ) )
     {
         p.convertFromImage( i );
         setPixmap( p );
     }
 }
 
+
+void PreviewWidget::mousePressEvent( QMouseEvent* )
+{
+    emit contextMenuRequested();
+}
+
diff --git a/noncore/multimedia/camera/previewwidget.h b/noncore/multimedia/camera/previewwidget.h
index 6b64768..dada301 100644
--- a/noncore/multimedia/camera/previewwidget.h
+++ b/noncore/multimedia/camera/previewwidget.h
@@ -1,43 +1,47 @@
 /**********************************************************************
 ** Copyright (C) 2003 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.
 **
 **********************************************************************/
 
 #ifndef PREVIEWWIDGET_H
 #define PREVIEWWIDGET_H
 
 #include <qlabel.h>
 #include <qimage.h>
 #include <qpixmap.h>
 
 class QTimerEvent;
 class QResizeEvent;
 
 class PreviewWidget: public QLabel
 {
   Q_OBJECT
 
   public:
     PreviewWidget( QWidget * parent = 0, const char * name = 0, WFlags f = 0 );
     virtual ~PreviewWidget();
 
   protected:
     virtual void timerEvent( QTimerEvent* );
     virtual void resizeEvent( QResizeEvent* );
+    virtual void mousePressEvent( QMouseEvent* );
+
+  signals:
+    void contextMenuRequested();
 
   private:
     QPixmap p;
     QImage i;
 };
 
 #endif
diff --git a/noncore/multimedia/camera/zcameraio.cpp b/noncore/multimedia/camera/zcameraio.cpp
index b37ae8c..9af0c25 100644
--- a/noncore/multimedia/camera/zcameraio.cpp
+++ b/noncore/multimedia/camera/zcameraio.cpp
@@ -1,230 +1,264 @@
 /**********************************************************************
 ** 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 "zcameraio.h"
 
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <errno.h>
 #include <string.h>
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdio.h>
 
 #include <qimage.h>
 #include <qdatetime.h>
 
 #include <opie2/odebug.h>
 
 #define SHARPZDC "/dev/sharp_zdc"
 
 ZCameraIO* ZCameraIO::_instance = 0;
 
 ZCameraIO* ZCameraIO::instance()
 {
     if ( !ZCameraIO::_instance )
     {
         odebug << "Creating ZCameraIO::_instance" << oendl;
         ZCameraIO::_instance = new ZCameraIO();
     }
     return ZCameraIO::_instance;
 }
 
 
 ZCameraIO::ZCameraIO()
           :_height( 0 ), _width( 0 ), _zoom( 0 ), _rot( 0 ), _readlen( 0 )
 {
     _driver = ::open( SHARPZDC, O_RDWR );
     if ( _driver == -1 )
         oerr << "Can't open camera driver: " << strerror(errno) << oendl;
     else
         init();
 }
 
 
 void ZCameraIO::init()
 {
     if ( ZCameraIO::_instance )
         ofatal << "Don't create more than one ZCameraIO instances." << oendl;
     else
     {
+        _timer = new QTime();
         setReadMode( STATUS );
     }
 }
 
 
 ZCameraIO::~ZCameraIO()
 {
     if ( _driver != -1 )
     {
         setReadMode( 0 );
         ::close( _driver );
     }
 }
 
 
 bool ZCameraIO::isOpen() const
 {
     return _driver != -1;
 }
 
 
 bool ZCameraIO::isShutterPressed()
 {
-    return _status[0] == 'S';
+    if ( _timer->elapsed() < 1000 ) //TODO: make this customizable?
+    {
+        clearShutterLatch();
+        return false;
+    }
+    if ( _status[0] == 'S' )
+    {
+        _timer->restart();
     clearShutterLatch();
+        return true;
+    }
+    else return false;
 }
 
 
 bool ZCameraIO::isFinderReversed() const
 {
     return _status[1] == 'M';
 }
 
 
 bool ZCameraIO::isCapturing() const
 {
     return _status[2] == 'C';
 }
 
 
 bool ZCameraIO::isAvailable() const
 {
     return _status[3] == 'A';
 }
 
 
 bool ZCameraIO::setCaptureFrame( int width, int height, int zoom, bool rot )
 {
     odebug << "setCaptureFrame( " << width << ", " << height << ", " << zoom << ", " << rot << " )" << oendl;
     char b[100];
     sprintf( b, "%c=%d,%d,%d,%d", rot ? 'R':'S', width, height, zoom, width*2 );
     if ( write( b ) )
     {
         _width = width;
         _height = height;
         _zoom = zoom;
         _rot = rot;
         _readlen = 2 * _width * _height; // camera is fixed @ 16 bits per pixel
         return true;
     }
     return false;
 }
 
 
+bool ZCameraIO::setZoom( int zoom )
+{
+    return setCaptureFrame( _width, _height, zoom*256, _rot );
+}
+
+
 void ZCameraIO::setReadMode( int mode )
 {
     char b[10];
     sprintf( b, "M=%d", mode );
     write( b, mode <= 9 ? 3 : 4 );
-    if ( mode & 1 ) // STATUS bit is set
+    if ( mode & STATUS ) // STATUS bit is set
+    {
         read( _status, 4 );
+        if ( isShutterPressed() ) emit shutterClicked();
+    }
 }
 
 
 void ZCameraIO::clearShutterLatch()
 {
-    char b = 'B';
-    write( &b, 1 );
+    write( "B", 1 );
 }
 
 
 bool ZCameraIO::read( char* b, int len )
 {
     #ifndef NO_TIMING
     QTime t;
     t.start();
     #endif
     int rlen = ::read( _driver, b, len );
     #ifndef NO_TIMING
     int time = t.elapsed();
     #else
     int time = -1;
     #endif
     if ( rlen )
         odebug << "read " << rlen << " ('" << b[0] << b[1] << b[2] << b[3] << "') [" << time << " ms] from driver." << oendl;
     else
         odebug << "read nothing from driver." << oendl;
     return rlen == len;
 }
 
 
 bool ZCameraIO::write( char* buf, int len )
 {
     if ( !len )
         len = strlen( buf );
 
     odebug << "writing '" << buf << "' to driver." << oendl;
 
     return ::write( _driver, buf, len ) == len;
 }
 
 
 bool ZCameraIO::snapshot( QImage* image )
 {
     setReadMode( STATUS );
 
     odebug << "finder reversed = " << isFinderReversed() << oendl;
     odebug << "rotation = " << _rot << oendl;
 
     if ( _rot ) // Portrait
     {
         setReadMode( IMAGE | isFinderReversed() ? XFLIP | YFLIP : 0 );
     }
     else // Landscape
     {
         setReadMode( IMAGE | XFLIP | YFLIP ); //isFinderReversed() ? 0 : XFLIP );
     }
 
     char buf[_readlen];
     char* bp = buf;
     unsigned char* p;
 
     read( bp, _readlen );
 
     image->create( _width, _height, 16 );
     for ( int i = 0; i < _height; ++i )
     {
         p = image->scanLine( i );
         for ( int j = 0; j < _width; j++ )
         {
             *p = *bp;
             p++;
             bp++;
             *p = *bp;
             p++;
             bp++;
         }
     }
 
     return true;
 }
 
+
 bool ZCameraIO::snapshot( unsigned char* buf )
 {
     setReadMode( IMAGE | XFLIP | YFLIP );
 
     read( (char*) buf, _readlen );
 
     /* //TESTCODE
     int fd = open( "/tmp/cam", O_RDONLY );
     if ( ::read( fd, (char*) buf, 76800 ) != 76800 )
         owarn << "Couldn't read image from /dev/sharp_zdc" << oendl;
     // TESTCODE */
 
 
     return true;
 }
 
+
+void ZCameraIO::captureFrame( int w, int h, int zoom, QImage* image )
+{
+    int pw = _width;
+    int ph = _height;
+    if ( _rot )
+        setCaptureFrame( h, w, zoom*256, true );
+    else
+        setCaptureFrame( w, h, zoom*256, false );
+    snapshot( image );
+    setCaptureFrame( pw, ph, _zoom, _rot );
+}
+
+
diff --git a/noncore/multimedia/camera/zcameraio.h b/noncore/multimedia/camera/zcameraio.h
index 9d4b1d7..edce143 100644
--- a/noncore/multimedia/camera/zcameraio.h
+++ b/noncore/multimedia/camera/zcameraio.h
@@ -1,65 +1,81 @@
 /**********************************************************************
 ** Copyright (C) 2003 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.
 **
 **********************************************************************/
 
 #ifndef ZCAMERAIO_H
 #define ZCAMERAIO_H
 
+#include <qobject.h>
+
 class QImage;
+class QTime;
 
-class ZCameraIO
+class ZCameraIO : public QObject
 {
+  Q_OBJECT
+
   public:
     virtual ~ZCameraIO();
 
     enum ReadMode
     {
         IMAGE = 0, STATUS = 1,
         FASTER = 0, BETTER = 2,
         XNOFLIP = 0, XFLIP = 4,
         YNOFLIP = 0, YFLIP = 8
     };
 
+    // low level interface
+
     bool setCaptureFrame( int w, int h, int zoom = 256, bool rot = true );
+    bool setZoom( int zoom = 0 );
     void setReadMode( int = IMAGE | XFLIP | YFLIP );
 
     bool isShutterPressed(); // not const, because it calls clearShutterLatch
     bool isAvailable() const;
     bool isCapturing() const;
     bool isFinderReversed() const;
-    bool isOpen() const;
 
-    bool snapshot( QImage* );
     bool snapshot( unsigned char* );
+    bool snapshot( QImage* );
+
+    // high level interface
+    bool isOpen() const;
     static ZCameraIO* instance();
+    void captureFrame( int w, int h, int zoom, QImage* image );
 
   protected:
     ZCameraIO();
     void clearShutterLatch();
     void init();
     bool read( char*, int );
     bool write( char*, int = 0 );
 
+  signals:
+    void shutterClicked();
+
   private:
     int _driver;
     char _status[4];
     static ZCameraIO* _instance;
     int _height;
     int _width;
     int _zoom;
     bool _rot;
     int _readlen;
+
+    QTime* _timer;
 };
 
 #endif