From db181c9145bd55b5e153a0ebdfcc17127c0ca179 Mon Sep 17 00:00:00 2001 From: alwin Date: Wed, 14 Apr 2004 20:51:30 +0000 Subject: move base image widgets to lib for usage in other applications --- (limited to 'noncore/graphics/opie-eye/lib/oimagezoomer.cpp') diff --git a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp b/noncore/graphics/opie-eye/lib/oimagezoomer.cpp deleted file mode 100644 index d1eec67..0000000 --- a/noncore/graphics/opie-eye/lib/oimagezoomer.cpp +++ b/dev/null @@ -1,233 +0,0 @@ -#include "oimagezoomer.h" - -#include - -#include -#include -#include -#include -#include -#include - -namespace Opie { -namespace MM { - -/** - * \brief The most simple c'tor - * The main c'tor. You still need to set a QPixmap/QIMage, - * setImageSize,setViewPortSize,setVisiblePoint - * - * @param parent The parent widget - * @param name A name for this widget - * @param fl The widget flags - * - */ -OImageZoomer::OImageZoomer( QWidget* parent, const char* name, WFlags fl ) - : QFrame( parent, name, fl ) { - init(); -} - - -/** - * \brief This c'tor takes a QPixmap additional - * - * You initially set the QPixmap but you still need to provide - * the additional data to make this widget useful - * - * @param pix A Pixmap it'll be converted to a QImage later! - * @param par The parent widget - * @param name The name of this widget - * @param fl The widget flags - */ -OImageZoomer::OImageZoomer( const QPixmap& pix, QWidget* par, const char* name, WFlags fl ) - : QFrame( par, name, fl ) { - init(); - setImage( pix ); -} - - -/** - * \brief This c'tor takes a QImage instead - * You just provide a QImage which is saved. It behaves the same as the others. - * - * @param img A Image which will be used for the zoomer content - * @param par The parent of the widget - * @param name The name of the widget - * @param fl The widgets flags - */ -OImageZoomer::OImageZoomer( const QImage& img, QWidget* par, const char* name, WFlags fl) - : QFrame( par, name, fl ) { - init(); - setImage( img ); -} - - -/** - * \brief overloaded c'tor - * - * This differs only in the arguments it takes - * - * - * @param pSize The size of the Page you show - * @param vSize The size of the viewport. The size of the visible part of the widget - * @param par The parent of the widget - * @param name The name - * @param fl The window flags - */ -OImageZoomer::OImageZoomer( const QSize& pSize, const QSize& vSize, QWidget* par, - const char* name, WFlags fl ) - : QFrame( par, name, fl ), m_imgSize( pSize ),m_visSize( vSize ) { - init(); -} - -/** - * d'tor - */ -OImageZoomer::~OImageZoomer() { - -} - -void OImageZoomer::init() { - m_mevent = false; - setFrameStyle( Panel | Sunken ); -} - - -/** - * \brief set the page/image size - * Tell us the QSize of the Data you show to the user. We need this - * to do the calculations - * - * @param size The size of the stuff you want to zoom on - */ -void OImageZoomer::setImageSize( const QSize& size ) { - m_imgSize = 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) { - 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; -} - - -} -} -- cgit v0.9.0.2