1 files changed, 10 insertions, 4 deletions

diff --git a/libopie2/opiemm/oimagescrollview.cpp b/libopie2/opiemm/oimagescrollview.cpp
index 56be10b..37a1ad5 100644
--- a/libopie2/opiemm/oimagescrollview.cpp
+++ b/libopie2/opiemm/oimagescrollview.cpp
@@ -1,293 +1,299 @@
 #include "oimagescrollview.h"
 
 #include <opie2/oimagezoomer.h>
 #include <opie2/odebug.h>
 #include <opie2/oapplication.h>
 #include <opie2/owait.h>
+#include <opie2/opieexif.h>
 
 #include <qimage.h>
 #include <qlayout.h>
 
 /* for usage with the bitset */
 #define AUTO_SCALE 0
 #define AUTO_ROTATE 1
 #define SHOW_ZOOMER 2
 #define FIRST_RESIZE_DONE 3
 #define IMAGE_IS_JPEG 4
 #define IMAGE_SCALED_LOADED 5
 
 #define SCROLLVIEW_BITSET_SIZE 6
 
 namespace Opie {
 namespace MM {
 OImageScrollView::OImageScrollView( QWidget* parent, const char* name,  WFlags f )
     :QScrollView(parent,name,f|Qt::WRepaintNoErase ),_image_data(),_original_data(),
     m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
 {
     _zoomer = 0;
     m_states[AUTO_SCALE]=true;
     m_states[AUTO_ROTATE]=true;
     m_states[FIRST_RESIZE_DONE]=false;
     m_states[IMAGE_IS_JPEG]=false;
     m_states[IMAGE_SCALED_LOADED]=false;
     m_states[SHOW_ZOOMER]=true;
     init();
 }
 
 OImageScrollView::OImageScrollView (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),
      m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
 {
     _zoomer = 0;
     m_states[AUTO_SCALE]=always_scale;
     m_states[AUTO_ROTATE]=rfit;
     m_states[FIRST_RESIZE_DONE]=false;
     m_states[IMAGE_IS_JPEG]=false;
     m_states[IMAGE_SCALED_LOADED]=false;
     m_states[SHOW_ZOOMER]=true;
     _original_data.convertDepth(QPixmap::defaultDepth());
     _original_data.setAlphaBuffer(false);
     init();
 }
 
 OImageScrollView::OImageScrollView (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(),m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("")
 {
     _zoomer = 0;
     m_states.resize(SCROLLVIEW_BITSET_SIZE);
     m_states[AUTO_SCALE]=always_scale;
     m_states[AUTO_ROTATE]=rfit;
     m_states[FIRST_RESIZE_DONE]=false;
     m_states[IMAGE_IS_JPEG]=false;
     m_states[IMAGE_SCALED_LOADED]=false;
     m_states[SHOW_ZOOMER]=true;
     init();
     setImage(img);
 }
 
 void OImageScrollView::setImage(const QImage&img)
 {
     _image_data = QImage();
     _original_data=img;
     _original_data.convertDepth(QPixmap::defaultDepth());
     _original_data.setAlphaBuffer(false);
     m_lastName = "";
     setImageIsJpeg(false);
     setImageScaledLoaded(false);
     if (FirstResizeDone()) {
         generateImage();
     }
 }
 
 void OImageScrollView::loadJpeg(bool interncall)
 {
     if (m_lastName.isEmpty()) return;
     QImageIO iio( m_lastName, 0l );
     QString param;
     bool real_load = false;
     if (AutoScale()) {
         if (!interncall) {
+            ExifData xf;
+            bool scanned = xf.scan(m_lastName);
             int wid, hei;
             wid = QApplication::desktop()->width();
             hei = QApplication::desktop()->height();
             if (hei>wid) {
                 wid = hei;
             } else {
                 hei = wid;
             }
-            param = QString( "Fast Shrink( 3 ) Scale( %1, %2, ScaleMin)" ).arg( wid ).arg( hei );
-            odebug << "Load jpeg scaled \"" << param << "\"" << oendl;
-            iio.setParameters(param.latin1());
-            setImageScaledLoaded(true);
+            if ( (scanned && (wid<xf.getWidth()||hei<xf.getHeight()))||!scanned ) {
+                param = QString( "Fast Shrink( 3 ) Scale( %1, %2, ScaleMin)" ).arg( wid ).arg( hei );
+                odebug << "Load jpeg scaled \"" << param << "\"" << oendl;
+                iio.setParameters(param.latin1());
+                setImageScaledLoaded(true);
+            }
+
             real_load = true;
         }
     } else {
         if (ImageScaledLoaded()||!interncall) {
             odebug << "Load jpeg unscaled" << oendl;
             real_load = true;
         }
         setImageScaledLoaded(false);
     }
     if (real_load) {
         _original_data = iio.read() ? iio.image() : QImage();
     }
 }
 
 void OImageScrollView::setImage( const QString& path ) {
     odebug << "load new image " << oendl;
     if (m_lastName == path) return;
     m_lastName = path;
     _original_data = QImage();
     QString itype = QImage::imageFormat(m_lastName);
     odebug << "Image type = " << itype << oendl;
     if (itype == "JPEG") {
         setImageIsJpeg(true);
         loadJpeg();
     } else {
         setImageIsJpeg(false);
         _original_data.load(path);
         _original_data.convertDepth(QPixmap::defaultDepth());
         _original_data.setAlphaBuffer(false);
     }
     _image_data = QImage();
     if (FirstResizeDone()) {
         generateImage();
         if (isVisible()) viewport()->repaint(true);
     }
 }
 
 /* should be called every time the QImage changed it content */
 void OImageScrollView::init()
 {
     odebug << "init " << oendl;
 
     /*
      * create the zoomer
      * and connect ther various signals
      */
     _zoomer = new Opie::MM::OImageZoomer( this, "The Zoomer" );
     connect(_zoomer, SIGNAL( zoomAreaRel(int,int)),
             this, SLOT(scrollBy(int,int)) );
     connect(_zoomer, SIGNAL( zoomArea(int,int)),
             this, SLOT(center(int,int)) );
     connect(this,SIGNAL(contentsMoving(int,int)),
             _zoomer, (SLOT(setVisiblePoint(int,int))) );
     connect(this,SIGNAL(imageSizeChanged(const QSize&)),
             _zoomer, SLOT(setImageSize(const QSize&)) );
     connect(this,SIGNAL(viewportSizeChanged(const QSize&)),
             _zoomer, SLOT(setViewPortSize(const QSize&)) );
 
     setBackgroundColor(white);
     setFocusPolicy(QWidget::StrongFocus);
     setImageScaledLoaded(false);
     setImageIsJpeg(false);
     if (FirstResizeDone()) {
         m_last_rot = Rotate0;
         generateImage();
     } else if (_original_data.size().isValid()) {
         if (image_fit_into(_original_data.size()) || !ShowZoomer()) _zoomer->hide();
         resizeContents(_original_data.width(),_original_data.height());
     }
 }
 
 void OImageScrollView::setAutoRotate(bool how)
 {
     /* to avoid double repaints */
     if (AutoRotate() != how) {
         m_states.setBit(AUTO_ROTATE,how);
         _image_data = QImage();
         generateImage();
     }
 }
 
 bool OImageScrollView::AutoRotate()const
 {
     return m_states.testBit(AUTO_ROTATE);
 }
 
 void OImageScrollView::setAutoScaleRotate(bool scale, bool rotate)
 {
     m_states.setBit(AUTO_ROTATE,rotate);
     setAutoScale(scale);
 }
 
 void OImageScrollView::setAutoScale(bool how)
 {
     m_states.setBit(AUTO_SCALE,how);
     _image_data = QImage();
     if (ImageIsJpeg() && how == false && ImageScaledLoaded()==true) {
         loadJpeg(true);
     }
     generateImage();
 }
 
 bool OImageScrollView::AutoScale()const
 {
     return m_states.testBit(AUTO_SCALE);
 }
 
 OImageScrollView::~OImageScrollView()
 {
 }
 
 void OImageScrollView::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 OImageScrollView::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;
     int x, y;
     if ( _original_data.depth() > 8 )
     {
         unsigned int *srcData, *destData;
         switch ( r )
         {
             case Rotate90:
                 dest.create(_original_data.height(), _original_data.width(), _original_data.depth());
                 for ( y=0; y < _original_data.height(); ++y )
                 {
                     srcData = (unsigned int *)_original_data.scanLine(y);
                     for ( x=0; x < _original_data.width(); ++x )
                     {
                         destData = (unsigned int *)dest.scanLine(x);
                         destData[_original_data.height()-y-1] = srcData[x];
                     }
                 }
                 break;
             case Rotate180:
                 dest.create(_original_data.width(), _original_data.height(), _original_data.depth());
                 for ( y=0; y < _original_data.height(); ++y )
                 {
                     srcData = (unsigned int *)_original_data.scanLine(y);
                     destData = (unsigned int *)dest.scanLine(_original_data.height()-y-1);
                     for ( x=0; x < _original_data.width(); ++x )
                         destData[_original_data.width()-x-1] = srcData[x];
                 }
                 break;
             case Rotate270:
                 dest.create(_original_data.height(), _original_data.width(), _original_data.depth());
                 for ( y=0; y < _original_data.height(); ++y )
                 {
                     srcData = (unsigned int *)_original_data.scanLine(y);
                     for ( x=0; x < _original_data.width(); ++x )
                     {
                         destData = (unsigned int *)dest.scanLine(_original_data.width()-x-1);
                         destData[y] = srcData[x];
                     }
                 }
                 break;
             default:
                 dest = _original_data;
                 break;
         }
     }
     else
     {
         unsigned char *srcData, *destData;
         unsigned int *srcTable, *destTable;
         switch ( r )
         {
             case Rotate90:
                 dest.create(_original_data.height(), _original_data.width(), _original_data.depth());
                 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 )
                     {