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path: root/noncore/graphics/opie-eye/lib/oimagezoomer.cpp
authoralwin <alwin>2004-04-14 20:51:30 (UTC)
committer alwin <alwin>2004-04-14 20:51:30 (UTC)
commitdb181c9145bd55b5e153a0ebdfcc17127c0ca179 (patch) (side-by-side diff)
treef3e7e311db4e6e4147caa61daabf03905865db27 /noncore/graphics/opie-eye/lib/oimagezoomer.cpp
parentfe6808b41795d1b6000932bf84d74dbd24c4ed95 (diff)
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move base image widgets to lib for usage in other applications
Diffstat (limited to 'noncore/graphics/opie-eye/lib/oimagezoomer.cpp') (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/opie-eye/lib/oimagezoomer.cpp233
1 files changed, 0 insertions, 233 deletions
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 <opie2/odebug.h>
-
-#include <qimage.h>
-#include <qpixmap.h>
-#include <qpainter.h>
-#include <qrect.h>
-#include <qpoint.h>
-#include <qsize.h>
-
-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;
-}
-
-
-}
-}