| -rw-r--r-- | libopie2/opiemm/oimagescrollview.cpp | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/libopie2/opiemm/oimagescrollview.cpp b/libopie2/opiemm/oimagescrollview.cpp index 61b2062..a8165a4 100644 --- a/libopie2/opiemm/oimagescrollview.cpp +++ b/libopie2/opiemm/oimagescrollview.cpp @@ -112,97 +112,97 @@ void OImageScrollView::loadJpeg(bool interncall) _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&)) ); - viewport()->setBackgroundColor(white); + 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); } @@ -306,201 +306,205 @@ void OImageScrollView::rotate_into_data(Rotation r) 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()); - resizeContents(_image_data.width(),_image_data.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; - resizeContents(_image_data.width(),_image_data.height()); } _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" << oendl; QScrollView::resizeEvent(e); 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) { int w = clipw; int h = cliph; int x = clipx; int y = clipy; bool erase = false; if (!_pdata.size().isValid()) { - p->fillRect(clipx,clipy,clipw,cliph,white); + p->fillRect(clipx,clipy,clipw,cliph, backgroundColor()); return; } if (w>_pdata.width()) { w=_pdata.width(); x = 0; erase = true; } else if (x+w>_pdata.width()){ x = _pdata.width()-w; } if (h>_pdata.height()) { h=_pdata.height(); y = 0; erase = true; } else if (y+h>_pdata.height()){ y = _pdata.height()-h; } if (erase||_original_data.hasAlphaBuffer()) { - p->fillRect(clipx,clipy,clipw,cliph,white); + p->fillRect(clipx,clipy,clipw,cliph, backgroundColor()); } 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) |