| -rw-r--r-- | libopie2/opiemm/oimagescrollview.cpp | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/libopie2/opiemm/oimagescrollview.cpp b/libopie2/opiemm/oimagescrollview.cpp index 72248c1..56be10b 100644 --- a/libopie2/opiemm/oimagescrollview.cpp +++ b/libopie2/opiemm/oimagescrollview.cpp @@ -208,357 +208,356 @@ bool OImageScrollView::AutoScale()const 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 ) { destData = (unsigned char *)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()); 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); destData = (unsigned char *)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()); 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 OImageScrollView::generateImage() { Rotation r = Rotate0; _pdata = QPixmap(); if (_original_data.isNull()) { emit imageSizeChanged( _image_data.size() ); if (_zoomer) _zoomer->setImage( _image_data ); return; } if (width()>height()&&_original_data.width()<_original_data.height() || width()<height()&&_original_data.width()>_original_data.height()) { if (AutoRotate()) r = Rotate90; } int twidth,theight; odebug << " r = " << r << oendl; if (AutoScale() && (_original_data.width()>width() || _original_data.height() > height()) ) { 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()); } else if (!FirstResizeDone()||r!=m_last_rot||_image_data.width()==0) { if (r==Rotate0) { _image_data = _original_data; } else { rotate_into_data(r); } m_last_rot = r; } _pdata.convertFromImage(_image_data); twidth = _image_data.width(); theight = _image_data.height(); /* * update the zoomer */ check_zoomer(); emit imageSizeChanged( _image_data.size() ); rescaleImage( 128, 128 ); resizeContents(twidth,theight); /* * move scrollbar */ if (_zoomer) { _zoomer->setGeometry( viewport()->width()-_image_data.width()/2, viewport()->height()-_image_data.height()/2, _image_data.width()/2, _image_data.height()/2 ); _zoomer->setImage( _image_data ); } /* * invalidate */ _image_data=QImage(); if (isVisible()) { updateContents(contentsX(),contentsY(),width(),height()); } } void OImageScrollView::resizeEvent(QResizeEvent * e) { odebug << "OImageScrollView resizeEvent (" << e->size() << " - " << e->oldSize() << oendl; QScrollView::resizeEvent(e); if (e->oldSize()==e->size()||!isUpdatesEnabled ()) return; generateImage(); setFirstResizeDone(true); emit viewportSizeChanged( viewport()->size() ); } void OImageScrollView::keyPressEvent(QKeyEvent * e) { if (!e) return; int dx = horizontalScrollBar()->lineStep(); int dy = verticalScrollBar()->lineStep(); if (e->key()==Qt::Key_Right) { scrollBy(dx,0); e->accept(); } else if (e->key()==Qt::Key_Left) { scrollBy(0-dx,0); e->accept(); } else if (e->key()==Qt::Key_Up) { scrollBy(0,0-dy); e->accept(); } else if (e->key()==Qt::Key_Down) { scrollBy(0,dy); e->accept(); } else { e->ignore(); } QScrollView::keyPressEvent(e); } void OImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph) { if (!_pdata.size().isValid()) { p->fillRect(clipx,clipy,clipw,cliph, backgroundColor()); return; } int w = clipw; int h = cliph; int x = clipx; int y = clipy; bool erase = false; if (w>_pdata.width()) { w = _pdata.width()-x; erase=true; } if (h>_pdata.height()) { h = _pdata.height()-y; erase=true; } if (!erase && (clipy+cliph>_pdata.height()||clipx+clipw>_pdata.width())) { erase = true; } if (erase||_original_data.hasAlphaBuffer()) { p->fillRect(clipx,clipy,clipw,cliph, backgroundColor()); } if (w>0 && h>0&&x<_pdata.width()&&y<_pdata.height()) { - odebug << "Drawing pixmap" << oendl; p->drawPixmap(clipx,clipy,_pdata,x,y,w,h); } } /* using the real geometry points and not the translated points is wanted! */ void OImageScrollView::viewportMouseMoveEvent(QMouseEvent* e) { int mx, my; mx = e->x(); my = e->y(); if (_mouseStartPosX!=-1 && _mouseStartPosY!=-1) { int diffx = _mouseStartPosX-mx; int diffy = _mouseStartPosY-my; scrollBy(diffx,diffy); } _mouseStartPosX=mx; _mouseStartPosY=my; } void OImageScrollView::contentsMousePressEvent ( QMouseEvent * e) { odebug << " X and Y " << e->x() << " " << e->y() << oendl; /* this marks the beginning of a possible mouse move. Due internal reasons of QT the geometry values here may real differ from that set in MoveEvent (I don't know why). For getting them in real context, we use the first move-event to set the start position ;) */ _mouseStartPosX = -1; _mouseStartPosY = -1; } void OImageScrollView::setDestructiveClose() { WFlags fl = getWFlags(); /* clear it just in case */ fl &= ~WDestructiveClose; fl |= WDestructiveClose; setWFlags( fl ); } bool OImageScrollView::image_fit_into(const QSize&s ) { if (s.width()>width()||s.height()>height()) { return false; } return true; } void OImageScrollView::setShowZoomer(bool how) { m_states.setBit(SHOW_ZOOMER,how); check_zoomer(); } bool OImageScrollView::ShowZoomer()const { return m_states.testBit(SHOW_ZOOMER); } void OImageScrollView::check_zoomer() { if (!_zoomer) return; if ( (!ShowZoomer()||image_fit_into(_pdata.size()) ) && _zoomer->isVisible()) { _zoomer->hide(); } else if ( ShowZoomer() && !image_fit_into(_pdata.size()) && _zoomer->isHidden()){ _zoomer->show(); } } bool OImageScrollView::FirstResizeDone()const { return m_states.testBit(FIRST_RESIZE_DONE); } void OImageScrollView::setFirstResizeDone(bool how) { m_states.setBit(FIRST_RESIZE_DONE,how); } bool OImageScrollView::ImageIsJpeg()const { return m_states.testBit(IMAGE_IS_JPEG); } void OImageScrollView::setImageIsJpeg(bool how) { m_states.setBit(IMAGE_IS_JPEG,how); } bool OImageScrollView::ImageScaledLoaded()const { return m_states.testBit(IMAGE_SCALED_LOADED); } void OImageScrollView::setImageScaledLoaded(bool how) { m_states.setBit(IMAGE_SCALED_LOADED,how); } } // namespace MM } // namespace Opie |