yeah - autoresize and autoscale now have toggle-buttons and the image display

respect these buttons
ToDo:
find a good way for prescaled loading of images if autoScale is on (in respect
to autorotate and so on)

4 files changed, 95 insertions, 11 deletions

diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
index 7d83e29..ee20f40 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
@@ -11,64 +11,94 @@ ImageScrollView::ImageScrollView( QWidget* parent, const char* name,  WFlags f )
     :QScrollView(parent,name,f|Qt::WRepaintNoErase ),_image_data(),_original_data(),scale_to_fit(true),
      rotate_to_fit(true),first_resize_done(false)
 {
     init();
 }
 
 ImageScrollView::ImageScrollView (const QImage&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit)
     :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(img),scale_to_fit(always_scale),
     rotate_to_fit(rfit),first_resize_done(false)
 {
     init();
 }
 
 ImageScrollView::ImageScrollView (const QString&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit)
     :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(img),scale_to_fit(always_scale),
     rotate_to_fit(rfit),first_resize_done(false)
 {
     init();
 }
 
 void ImageScrollView::setImage(const QImage&img)
 {
     _image_data = QImage();
     _original_data=img;
-    first_resize_done = false;
-    init();
+    if (first_resize_done) {
+        generateImage();
+    }
 }
 
 void ImageScrollView::setImage( const QString& path ) {
-
+    odebug << "load new image " << oendl;
+    _original_data.load(path);
+    _image_data = QImage();
+    if (first_resize_done) {
+        generateImage();
+    }
 }
 
 /* should be called every time the QImage changed it content */
 void ImageScrollView::init()
 {
+    odebug << "init " << oendl;
     viewport()->setBackgroundColor(white);
-    if (_original_data.size().isValid()) {
+    if (first_resize_done) {
+        last_rot = Rotate0;
+        generateImage();
+        odebug << "reinit display " << oendl;
+    } else if (_original_data.size().isValid()) {
         resizeContents(_original_data.width(),_original_data.height());
     }
-    last_rot = Rotate0;
+}
+
+void ImageScrollView::setAutoRotate(bool how)
+{
+    /* to avoid double repaints */
+    if (rotate_to_fit != how) {
+        rotate_to_fit = how;
+        _image_data = QImage();
+        generateImage();
+    }
+}
+
+void ImageScrollView::setAutoScale(bool how)
+{
+    scale_to_fit = how;
+    if (!how) {
+        rotate_to_fit = false;
+    }
+    _image_data = QImage();
+    generateImage();
 }
 
 ImageScrollView::~ImageScrollView()
 {
 }
 
 void ImageScrollView::rescaleImage(int w, int h)
 {
     if (_image_data.width()==w && _image_data.height()==h) {
         return;
     }
     double hs = (double)h / (double)_image_data.height() ;
     double ws = (double)w / (double)_image_data.width() ;
     double scaleFactor = (hs > ws) ? ws : hs;
     int smoothW = (int)(scaleFactor * _image_data.width());
     int smoothH = (int)(scaleFactor * _image_data.height());
     _image_data = _image_data.smoothScale(smoothW,smoothH);
 }
 
 void ImageScrollView::rotate_into_data(Rotation r)
 {
     /* realy - we must do this that way, 'cause when acting direct on _image_data the app will
        segfault :( */
     QImage dest;
@@ -160,77 +190,83 @@ void ImageScrollView::rotate_into_data(Rotation r)
                 dest.setNumColors(_original_data.numColors());
                 srcTable = (unsigned int *)_original_data.colorTable();
                 destTable = (unsigned int *)dest.colorTable();
                 for ( x=0; x < _original_data.numColors(); ++x )
                     destTable[x] = srcTable[x];
                 for ( y=0; y < _original_data.height(); ++y )
                 {
                     srcData = (unsigned char *)_original_data.scanLine(y);
                     for ( x=0; x < _original_data.width(); ++x )
                     {
                         destData = (unsigned char *)dest.scanLine(_original_data.width()-x-1);
                         destData[y] = srcData[x];
                     }
                 }
                 break;
             default:
                 dest = _original_data;
                 break;
         }
 
     }
     _image_data = dest;
 }
 
-void ImageScrollView::resizeEvent(QResizeEvent * e)
+void ImageScrollView::generateImage()
 {
-    odebug << "ImageScrollView resizeEvent" << oendl;
-    QScrollView::resizeEvent(e);
     Rotation r = Rotate0;
     if (width()>height()&&_original_data.width()<_original_data.height() ||
         width()<height()&&_original_data.width()>_original_data.height()) {
         if (rotate_to_fit) r = Rotate90;
     }
     odebug << " r = " << r << oendl;
     if (scale_to_fit) {
         if (!_image_data.size().isValid()||width()>_image_data.width()||height()>_image_data.height()) {
+            odebug << "Rescaling data" << oendl;
             if (r==Rotate0) {
                 _image_data = _original_data;
             } else {
                 rotate_into_data(r);
             }
         }
         rescaleImage(width(),height());
-        resizeContents(width()-10,height()-10);
-    }  else if (!first_resize_done||r!=last_rot) {
+        resizeContents(_image_data.width(),_image_data.height());
+    }  else if (!first_resize_done||r!=last_rot||_image_data.width()==0) {
         if (r==Rotate0) {
             _image_data = _original_data;
         } else {
             rotate_into_data(r);
         }
         last_rot = r;
         resizeContents(_image_data.width(),_image_data.height());
     }
+}
+
+void ImageScrollView::resizeEvent(QResizeEvent * e)
+{
+    odebug << "ImageScrollView resizeEvent" << oendl;
+    QScrollView::resizeEvent(e);
+    generateImage();
     first_resize_done = true;
 }
 
 void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph)
 {
     int w = clipw;
     int h = cliph;
     int x = clipx;
     int y = clipy;
     bool erase = false;
 
     if (!_image_data.size().isValid()) {
         p->fillRect(clipx,clipy,clipw,cliph,white);
         return;
     }
     if (w>_image_data.width()) {
         w=_image_data.width();
         x = 0;
         erase = true;
     } else if (x+w>_image_data.width()){
         x = _image_data.width()-w;
     }
     if (h>_image_data.height()) {
         h=_image_data.height();
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h
index 864a015..dcf54ce 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.h
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.h
@@ -1,68 +1,72 @@
 #ifndef _IMAGE_SCROLL_VIEW_H
 #define _IMAGE_SCROLL_VIEW_H
 
 #include <qscrollview.h>
 #include <qimage.h>
 #include <qstring.h>
 #include <qdialog.h>
 
 class QPainter;
 
 class ImageScrollView:public QScrollView
 {
     Q_OBJECT
 public:
     ImageScrollView( QWidget* parent, const char* name = 0, WFlags fl = 0 );
     ImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
     ImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false );
     virtual ~ImageScrollView();
 
     void setImage(const QImage&);
     void setImage( const QString& path );
     void setDestructiveClose();
 
+    void setAutoRotate(bool);
+    void setAutoScale(bool);
+
     enum  Rotation {
         Rotate0,
         Rotate90,
         Rotate180,
         Rotate270
     };
 
 signals:
     void sig_return();
 
 protected:
     virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph );
     void init();
 
     QImage _image_data;
     QImage _original_data;
 
     int _mouseStartPosX,_mouseStartPosY;
 
     bool scale_to_fit;
     bool rotate_to_fit;
     bool first_resize_done;
     Rotation last_rot;
 
     void rescaleImage(int w, int h);
 
     void rotate_into_data(Rotation r);
+    void generateImage();
 
 protected slots:
     virtual void viewportMouseMoveEvent(QMouseEvent* e);
     virtual void contentsMousePressEvent ( QMouseEvent * e);
     virtual void contentsMouseReleaseEvent ( QMouseEvent * e);
     virtual void resizeEvent(QResizeEvent * e);
 };
 
 /* for testing */
 class ImageDlg:public QDialog
 {
     Q_OBJECT
 public:
     ImageDlg(const QString&,QWidget * parent=0, const char * name=0);
     virtual ~ImageDlg();
 };
 
 #endif
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.cpp b/noncore/graphics/opie-eye/gui/mainwindow.cpp
index 7f384bd..88acd59 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.cpp
+++ b/noncore/graphics/opie-eye/gui/mainwindow.cpp
@@ -72,54 +72,87 @@ PMainWindow::PMainWindow(QWidget* wid, const char* name, WFlags style)
              m_view, SLOT(slotChangeDir( const QString& ) ) );
 
     btn = new QToolButton( bar );
     btn->setIconSet( Resource::loadIconSet( "edit" ) );
     connect( btn, SIGNAL(clicked()),
              m_view, SLOT(slotRename()) );
 
     if ( Ir::supported() ) {
         btn = new QToolButton( bar );
         btn->setIconSet( Resource::loadIconSet( "beam" ) );
         connect( btn, SIGNAL(clicked()),
                  m_view, SLOT(slotBeam()) );
     }
 
     btn = new QToolButton( bar );
     btn->setIconSet( Resource::loadIconSet( "trash" ) );
     connect( btn, SIGNAL(clicked() ),
              m_view, SLOT(slotTrash() ) );
 
     btn = new QToolButton( bar );
     btn->setIconSet( Resource::loadIconSet( "SettingsIcon" ) );
     connect( btn, SIGNAL(clicked() ),
              this, SLOT(slotConfig() ) );
 
+    rotateButton = new QToolButton(bar);
+    rotateButton->setIconSet( Resource::loadIconSet( "rotate" ) );
+    rotateButton->setToggleButton(true);
+    rotateButton->setOn(true);
+    connect(rotateButton,SIGNAL(toggled(bool)),this,SLOT(slotRotateToggled(bool)));
+    autoRotate = true;
+
+    btn = new QToolButton(bar);
+    btn->setIconSet( Resource::loadIconSet( "1to1" ) );
+    btn->setToggleButton(true);
+    btn->setOn(false);
+    connect(btn,SIGNAL(toggled(bool)),this,SLOT(slotScaleToggled(bool)));
+    autoScale = true;
+
 }
 
 PMainWindow::~PMainWindow() {
     odebug << "Shutting down" << oendl;
 }
 
+void PMainWindow::slotRotateToggled(bool how)
+{
+    autoRotate = how;
+    if (m_disp) {
+        m_disp->setAutoRotate(how);
+    }
+}
+
+void PMainWindow::slotScaleToggled(bool how)
+{
+    autoScale = !how;
+    if (m_disp) {
+        m_disp->setAutoScale(autoScale);
+    }
+    if (!autoScale && autoRotate) {
+        rotateButton->setOn(false);
+    }
+    rotateButton->setEnabled(!how);
+}
 
 void PMainWindow::slotConfig() {
    /*
     * have a tab with the possible views
     * a tab for globals image cache size.. scaled loading
     * and one tab for the  KeyConfigs
     */
     QDialog dlg(this, 0, true);
     dlg.setCaption( tr("Phunk View - Config" ) );
 
     QHBoxLayout *lay = new QHBoxLayout(&dlg);
     Opie::Ui::OTabWidget *wid = new Opie::Ui::OTabWidget(&dlg );
     lay->addWidget( wid );
     ViewMap *vM = viewMap();
     ViewMap::Iterator _it = vM->begin();
     QMap<PDirView*, QWidget*> lst;
 
     for( ; _it != vM->end(); ++_it ) {
         PDirView *view = (_it.data())(*m_cfg);
         PInterfaceInfo *inf =  view->interfaceInfo();
         QWidget *_wid = inf->configWidget( *m_cfg );
         _wid->reparent(wid, QPoint() );
         lst.insert( view, _wid );
         wid->addTab( _wid, "fileopen", inf->name() );
@@ -159,68 +192,74 @@ void PMainWindow::slotConfig() {
 /*
  * create a new image info component
  * and detach the current one
  * we will make the other delete on exit
  */
 template<class T>
 void PMainWindow::initT( const char* name, T** ptr, int id) {
     if ( *ptr ) {
         (*ptr)->disconnect(this, SLOT(slotReturn()));
         (*ptr)->setDestructiveClose();
         m_stack->removeWidget( *ptr );
     }
     *ptr = new T( m_stack, name );
     m_stack->addWidget( *ptr, id );
 
     connect(*ptr, SIGNAL(sig_return()),
             this,SLOT(slotReturn()));
 
 }
 void PMainWindow::initInfo() {
     initT<imageinfo>( "Image Info", &m_info, ImageInfo );
 }
 void PMainWindow::initDisp() {
     initT<ImageScrollView>( "Image ScrollView", &m_disp, ImageDisplay );
+    if (m_disp) {
+        m_disp->setAutoScale(autoScale);
+        m_disp->setAutoRotate(autoRotate);
+    }
+
 }
 
 /**
  * With big Screen the plan could be to 'detach' the image
  * window if visible and to create a ne wone
  * init* already supports it but I make no use of it for
  * now. We set filename and raise
  *
  * ### FIXME and talk to alwin
  */
 void PMainWindow::slotShowInfo( const QString& inf ) {
     if ( !m_info )
         initInfo();
     m_info->setPath( inf );
     m_stack->raiseWidget( ImageInfo );
 }
 
 void PMainWindow::slotDisplay( const QString& inf ) {
-    if ( !m_disp )
+    if ( !m_disp ) {
         initDisp();
+    }
     m_disp->setImage( inf );
     m_stack->raiseWidget( ImageDisplay );
 }
 
 void PMainWindow::slotReturn() {
     raiseIconView();
 }
 
 
 void PMainWindow::closeEvent( QCloseEvent* ev ) {
     /*
      * return from view
      * or properly quit
      */
     if ( m_stack->visibleWidget() == m_info ||
          m_stack->visibleWidget() == m_disp ) {
         raiseIconView();
         ev->ignore();
         return;
     }
     ev->accept();
     QTimer::singleShot(0, qApp, SLOT(closeAllWindows()));
 }
 
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.h b/noncore/graphics/opie-eye/gui/mainwindow.h
index 35116ae..6debf7f 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.h
+++ b/noncore/graphics/opie-eye/gui/mainwindow.h
@@ -16,47 +16,52 @@ namespace Opie {
 namespace Ui{
     class OKeyConfigManager;
     class OWidgetStack;
 }
 }
 
 class PIconView;
 class imageinfo;
 class ImageScrollView;
 class PMainWindow : public QMainWindow {
     Q_OBJECT
     enum Views { IconView,  ImageInfo, ImageDisplay };
 public:
     static QString appName() { return QString::fromLatin1("opie-eye" ); }
     PMainWindow(QWidget*, const char*, WFlags );
     ~PMainWindow();
 
 signals:
     void configChanged();
 
 public slots:
     void slotShowInfo( const QString& inf );
     void slotDisplay( const QString& inf );
     void slotReturn();
+    void slotRotateToggled(bool);
+    void slotScaleToggled(bool);
 
 protected:
     void raiseIconView();
     void closeEvent( QCloseEvent* );
 
 private:
     template<class T>  void initT( const char* name, T**, int );
     void initInfo();
     void initDisp();
 
 private:
     Opie::Core::OConfig *m_cfg;
     Opie::Ui::OWidgetStack *m_stack;
     PIconView* m_view;
     imageinfo *m_info;
     ImageScrollView *m_disp;
+    bool autoRotate;
+    bool autoScale;
+    QToolButton*rotateButton;
 
 
 private slots:
     void slotConfig();
 };
 
 #endif