| -rw-r--r-- | noncore/graphics/opie-eye/gui/imagescrollview.cpp | 30 | ||||
| -rw-r--r-- | noncore/graphics/opie-eye/gui/imagescrollview.h | 2 |
2 files changed, 21 insertions, 11 deletions
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp index 98054ff..ad19219 100644 --- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp +++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp @@ -1,78 +1,84 @@ #include "imagescrollview.h" #include <opie2/odebug.h> using namespace Opie::Core; #include <qimage.h> #include <qlayout.h> ImageScrollView::ImageScrollView( QWidget* parent, const char* name, WFlags f ) :QScrollView(parent,name,f|Qt::WRepaintNoErase ),_image_data(),_original_data(),scale_to_fit(true), rotate_to_fit(true),first_resize_done(false),m_lastName("") { init(); } ImageScrollView::ImageScrollView (const QImage&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit) :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(img),scale_to_fit(always_scale), rotate_to_fit(rfit),first_resize_done(false),m_lastName("") { + _original_data.convertDepth(QPixmap::defaultDepth()); + _original_data.setAlphaBuffer(false); init(); } ImageScrollView::ImageScrollView (const QString&img, QWidget * parent, const char * name, WFlags f,bool always_scale,bool rfit) :QScrollView(parent,name,f|Qt::WRepaintNoErase),_image_data(),_original_data(),scale_to_fit(always_scale), rotate_to_fit(rfit),first_resize_done(false),m_lastName("") { init(); setImage(img); } void ImageScrollView::setImage(const QImage&img) { _image_data = QImage(); _original_data=img; + _original_data.convertDepth(QPixmap::defaultDepth()); + _original_data.setAlphaBuffer(false); m_lastName = ""; if (first_resize_done) { generateImage(); } } void ImageScrollView::setImage( const QString& path ) { odebug << "load new image " << oendl; if (m_lastName == path) return; m_lastName = path; _original_data.load(path); + _original_data.convertDepth(QPixmap::defaultDepth()); + _original_data.setAlphaBuffer(false); _image_data = QImage(); if (first_resize_done) { generateImage(); } } /* should be called every time the QImage changed it content */ void ImageScrollView::init() { odebug << "init " << oendl; viewport()->setBackgroundColor(white); setFocusPolicy(QWidget::StrongFocus); if (first_resize_done) { last_rot = Rotate0; generateImage(); odebug << "reinit display " << oendl; } else if (_original_data.size().isValid()) { resizeContents(_original_data.width(),_original_data.height()); } } void ImageScrollView::setAutoRotate(bool how) { /* to avoid double repaints */ if (rotate_to_fit != how) { rotate_to_fit = how; _image_data = QImage(); generateImage(); } } void ImageScrollView::setAutoScale(bool how) @@ -215,127 +221,129 @@ void ImageScrollView::rotate_into_data(Rotation r) } _image_data = dest; } void ImageScrollView::generateImage() { Rotation r = Rotate0; if (width()>height()&&_original_data.width()<_original_data.height() || width()<height()&&_original_data.width()>_original_data.height()) { if (rotate_to_fit) r = Rotate90; } odebug << " r = " << r << oendl; if (scale_to_fit) { 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 (!first_resize_done||r!=last_rot||_image_data.width()==0) { if (r==Rotate0) { _image_data = _original_data; } else { rotate_into_data(r); } last_rot = r; resizeContents(_image_data.width(),_image_data.height()); } + _pdata.convertFromImage(_image_data); + _image_data=QImage(); } void ImageScrollView::resizeEvent(QResizeEvent * e) { odebug << "ImageScrollView resizeEvent" << oendl; QScrollView::resizeEvent(e); generateImage(); first_resize_done = true; } void ImageScrollView::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 ImageScrollView::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 (!_image_data.size().isValid()) { + if (!_pdata.size().isValid()) { p->fillRect(clipx,clipy,clipw,cliph,white); return; } - if (w>_image_data.width()) { - w=_image_data.width(); + if (w>_pdata.width()) { + w=_pdata.width(); x = 0; erase = true; - } else if (x+w>_image_data.width()){ - x = _image_data.width()-w; + } else if (x+w>_pdata.width()){ + x = _pdata.width()-w; } - if (h>_image_data.height()) { - h=_image_data.height(); + if (h>_pdata.height()) { + h=_pdata.height(); y = 0; erase = true; - } else if (y+h>_image_data.height()){ - y = _image_data.height()-h; + } else if (y+h>_pdata.height()){ + y = _pdata.height()-h; } - if (erase||_image_data.hasAlphaBuffer()) { + if (erase||_original_data.hasAlphaBuffer()) { p->fillRect(clipx,clipy,clipw,cliph,white); } - p->drawImage(clipx,clipy,_image_data,x,y,w,h); + p->drawPixmap(clipx,clipy,_pdata,x,y,w,h); } /* using the real geometry points and not the translated points is wanted! */ void ImageScrollView::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; #if 0 QScrollBar*xbar = horizontalScrollBar(); QScrollBar*ybar = verticalScrollBar(); if (xbar->value()+diffx>xbar->maxValue()) { diffx = xbar->maxValue()-xbar->value(); } else if (xbar->value()+diffx<0) { diffx=0-xbar->value(); } if (ybar->value()+diffy>ybar->maxValue()) { diffy = ybar->maxValue()-ybar->value(); } else if (ybar->value()+diffy<0) { diffy=0-ybar->value(); } #endif scrollBy(diffx,diffy); } _mouseStartPosX=mx; _mouseStartPosY=my; } void ImageScrollView::contentsMousePressEvent ( QMouseEvent * ) diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h index 17e2f5f..eb91dbd 100644 --- a/noncore/graphics/opie-eye/gui/imagescrollview.h +++ b/noncore/graphics/opie-eye/gui/imagescrollview.h @@ -1,62 +1,64 @@ #ifndef _IMAGE_SCROLL_VIEW_H #define _IMAGE_SCROLL_VIEW_H #include <qscrollview.h> #include <qimage.h> +#include <qpixmap.h> #include <qstring.h> #include <qdialog.h> class QPainter; class ImageScrollView:public QScrollView { Q_OBJECT public: ImageScrollView( QWidget* parent, const char* name = 0, WFlags fl = 0 ); ImageScrollView (const QImage&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false ); ImageScrollView (const QString&, QWidget * parent=0, const char * name=0, WFlags f=0,bool always_scale=false,bool rfit=false ); virtual ~ImageScrollView(); virtual void setImage(const QImage&); virtual void setImage( const QString& path ); virtual void setDestructiveClose(); virtual void setAutoRotate(bool); virtual void setAutoScale(bool); enum Rotation { Rotate0, Rotate90, Rotate180, Rotate270 }; signals: void sig_return(); protected: virtual void drawContents ( QPainter * p, int clipx, int clipy, int clipw, int cliph ); void init(); QImage _image_data; QImage _original_data; + QPixmap _pdata; int _mouseStartPosX,_mouseStartPosY; bool scale_to_fit; bool rotate_to_fit; bool first_resize_done; Rotation last_rot; QString m_lastName; virtual void rescaleImage(int w, int h); virtual void rotate_into_data(Rotation r); virtual void generateImage(); protected slots: virtual void viewportMouseMoveEvent(QMouseEvent* e); virtual void contentsMousePressEvent ( QMouseEvent * e); virtual void resizeEvent(QResizeEvent * e); virtual void keyPressEvent(QKeyEvent * e); }; #endif |