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path: root/libopie2/opiemm/oimagezoomer.cpp
authorzecke <zecke>2004-09-10 11:05:37 (UTC)
committer zecke <zecke>2004-09-10 11:05:37 (UTC)
commitd416ff23ea50303173d07ea243498a163f5995b5 (patch) (side-by-side diff)
tree8ab861514fd1dc87c509e6ac988ed683f82370ec /libopie2/opiemm/oimagezoomer.cpp
parent224c96feb94acd6a87e1a2463aca9726afe925ef (diff)
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The usual... fix warnings about unused parameters
Diffstat (limited to 'libopie2/opiemm/oimagezoomer.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opiemm/oimagezoomer.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libopie2/opiemm/oimagezoomer.cpp b/libopie2/opiemm/oimagezoomer.cpp
index d1eec67..b7ef238 100644
--- a/libopie2/opiemm/oimagezoomer.cpp
+++ b/libopie2/opiemm/oimagezoomer.cpp
@@ -105,129 +105,129 @@ void OImageZoomer::setImageSize( const QSize& size ) {
repaint();
}
/**
* \brief Set the size of the viewport
* Tell us the QSize of the viewport. The viewport is the part
* of the widget which is exposed on the screen
*
* @param size Te size of the viewport
*
* @see QScrollView::viewport()
*/
void OImageZoomer::setViewPortSize( const QSize& size ) {
m_visSize = size;
repaint();
}
/**
* \brief the point in the topleft corner which is currently visible
* Set the visible point. This most of the times relate to QScrollView::contentsX()
* and QScrollView::contentsY()
*
* @see setVisiblePoint(int,int)
*/
void OImageZoomer::setVisiblePoint( const QPoint& pt ) {
m_visPt = pt;
repaint();
}
/**
* Set the Image. The image will be resized on resizeEvent
* and it'll set the QPixmap background
*
* @param img The image will be stored internally and used as the background
*/
void OImageZoomer::setImage( const QImage& img) {
m_img = img;
resizeEvent( 0 );
repaint();
}
/**
* overloaded function it calls the QImage version
*/
void OImageZoomer::setImage( const QPixmap& pix) {
setImage( pix.convertToImage() );
}
void OImageZoomer::resizeEvent( QResizeEvent* ev ) {
QFrame::resizeEvent( ev );
setBackgroundOrigin( QWidget::WidgetOrigin );
// TODO Qt3 use PalettePixmap and use size
QPixmap pix; pix.convertFromImage( m_img.smoothScale( size().width(), size().height() ) );
setBackgroundPixmap( pix);
}
void OImageZoomer::drawContents( QPainter* p ) {
/*
* if the page size
*/
if ( m_imgSize.isEmpty() )
return;
/*
* paint a red rect which represents the visible size
*
* We need to recalculate x,y and width and height of the
* rect. So image size relates to contentRect
*
*/
QRect c( contentsRect() );
p->setPen( Qt::red );
/*
* the contentRect is set equal to the size of the image
* Rect/Original = NewRectORWidth/OriginalVisibleStuff and then simply we
* need to add the c.y/x due usage of QFrame
* For x and y we use the visiblePoint
* For height and width we use the size of the viewport
* if width/height would be bigger than our widget we use this width/height
*
*/
int len = m_imgSize.width();
int x = (c.width()*m_visPt.x())/len + c.x();
int w = (c.width()*m_visSize.width() )/len + c.x();
if ( w > c.width() ) w = c.width();
len = m_imgSize.height();
int y = (c.height()*m_visPt.y() )/len + c.y();
int h = (c.height()*m_visSize.height() )/len + c.y();
if ( h > c.height() ) h = c.height();
p->drawRect( x, y, w, h );
}
-void OImageZoomer::mousePressEvent( QMouseEvent*ev) {
+void OImageZoomer::mousePressEvent( QMouseEvent*) {
m_mouseX = m_mouseY = -1;
m_mevent = true;
}
void OImageZoomer::mouseReleaseEvent( QMouseEvent*ev) {
if (!m_mevent) return;
int mx, my;
mx = ev->x();
my = ev->y();
int diffx = (mx) * m_imgSize.width() / width();
int diffy = (my) * m_imgSize.height() / height();
emit zoomArea(diffx,diffy);
}
void OImageZoomer::mouseMoveEvent( QMouseEvent* ev ) {
int mx, my;
mx = ev->x();
my = ev->y();
if ( m_mouseX != -1 && m_mouseY != -1 ) {
m_mevent = false;
int diffx = ( mx - m_mouseX ) * m_imgSize.width() / width();
int diffy = ( my - m_mouseY ) * m_imgSize.height() / height();
emit zoomAreaRel( diffx, diffy );
}
m_mouseX = mx;
m_mouseY = my;
}
}
}