From 26e89198404dba70a3bea2b337f6677e6b177bb2 Mon Sep 17 00:00:00 2001 From: alwin Date: Wed, 14 Apr 2004 19:00:02 +0000 Subject: mostly all basics done --- (limited to 'noncore/graphics/opie-eye/gui/imagescrollview.cpp') diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp index d034ee0..3bb07a7 100644 --- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp +++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp @@ -1,60 +1,93 @@ #include "imagescrollview.h" +#include "lib/oimagezoomer.h" + #include #include #include -using namespace Opie::Core; - #include #include #include -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),show_zoomer(true),first_resize_done(false),m_lastName("") +/* for usage with the bitset */ +#define AUTO_SCALE 0 +#define AUTO_ROTATE 1 +#define SHOW_ZOOMER 2 +#define FIRST_RESIZE_DONE 3 +#define IMAGE_IS_JPEG 4 +#define IMAGE_SCALED_LOADED 5 + +#define SCROLLVIEW_BITSET_SIZE 6 + +namespace Opie { +namespace MM { +OImageScrollView::OImageScrollView( QWidget* parent, const char* name, WFlags f ) + :QScrollView(parent,name,f|Qt::WRepaintNoErase ),_image_data(),_original_data(), + m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("") { + _zoomer = 0; + m_states[AUTO_SCALE]=true; + m_states[AUTO_ROTATE]=true; + m_states[FIRST_RESIZE_DONE]=false; + m_states[IMAGE_IS_JPEG]=false; + m_states[IMAGE_SCALED_LOADED]=false; + m_states[SHOW_ZOOMER]=true; 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),show_zoomer(true),first_resize_done(false),m_lastName("") +OImageScrollView::OImageScrollView (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), + m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("") { + _zoomer = 0; + m_states[AUTO_SCALE]=always_scale; + m_states[AUTO_ROTATE]=rfit; + m_states[FIRST_RESIZE_DONE]=false; + m_states[IMAGE_IS_JPEG]=false; + m_states[IMAGE_SCALED_LOADED]=false; + m_states[SHOW_ZOOMER]=true; _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),show_zoomer(true),first_resize_done(false),m_lastName("") +OImageScrollView::OImageScrollView (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(),m_states(SCROLLVIEW_BITSET_SIZE),m_lastName("") { + _zoomer = 0; + m_states.resize(SCROLLVIEW_BITSET_SIZE); + m_states[AUTO_SCALE]=always_scale; + m_states[AUTO_ROTATE]=rfit; + m_states[FIRST_RESIZE_DONE]=false; + m_states[IMAGE_IS_JPEG]=false; + m_states[IMAGE_SCALED_LOADED]=false; + m_states[SHOW_ZOOMER]=true; init(); setImage(img); } -void ImageScrollView::setImage(const QImage&img) +void OImageScrollView::setImage(const QImage&img) { _image_data = QImage(); _original_data=img; _original_data.convertDepth(QPixmap::defaultDepth()); _original_data.setAlphaBuffer(false); m_lastName = ""; - image_is_jpeg = false; - image_scaled_loaded = false; - if (first_resize_done) { + setImageIsJpeg(false); + setImageScaledLoaded(false); + if (FirstResizeDone()) { generateImage(); } } -void ImageScrollView::loadJpeg(bool interncall) +void OImageScrollView::loadJpeg(bool interncall) { if (m_lastName.isEmpty()) return; QImageIO iio( m_lastName, 0l ); QString param; bool real_load = false; - if (scale_to_fit) { + if (AutoScale()) { if (!interncall) { int wid, hei; wid = QApplication::desktop()->width(); @@ -67,15 +100,15 @@ void ImageScrollView::loadJpeg(bool interncall) param = QString( "Fast Shrink( 7 ) Scale( %1, %2, ScaleFree)" ).arg( wid ).arg( hei ); odebug << "Load jpeg scaled \"" << param << "\"" << oendl; iio.setParameters(param.latin1()); - image_scaled_loaded = true; + setImageScaledLoaded(true); real_load = true; } } else { - if (image_scaled_loaded||!interncall) { + if (ImageScaledLoaded()||!interncall) { odebug << "Load jpeg unscaled" << oendl; real_load = true; } - image_scaled_loaded = false; + setImageScaledLoaded(false); } if (real_load) { { @@ -89,20 +122,20 @@ void ImageScrollView::loadJpeg(bool interncall) } } -void ImageScrollView::setImage( const QString& path ) { +void OImageScrollView::setImage( const QString& path ) { odebug << "load new image " << oendl; if (m_lastName == path) return; m_lastName = path; QString itype = QImage::imageFormat(m_lastName); odebug << "Image type = " << itype << oendl; if (itype == "JPEG") { - image_is_jpeg = true; + setImageIsJpeg(true); loadJpeg(); } else { { QCopEnvelope( "QPE/System", "busy()" ); } - image_is_jpeg = false; + setImageIsJpeg(false); _original_data.load(path); _original_data.convertDepth(QPixmap::defaultDepth()); _original_data.setAlphaBuffer(false); @@ -112,13 +145,13 @@ void ImageScrollView::setImage( const QString& path ) { } } _image_data = QImage(); - if (first_resize_done) { + if (FirstResizeDone()) { generateImage(); } } /* should be called every time the QImage changed it content */ -void ImageScrollView::init() +void OImageScrollView::init() { odebug << "init " << oendl; @@ -129,6 +162,8 @@ void ImageScrollView::init() _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&)), @@ -138,45 +173,55 @@ void ImageScrollView::init() viewport()->setBackgroundColor(white); setFocusPolicy(QWidget::StrongFocus); - image_scaled_loaded = false; - image_is_jpeg = false; - if (first_resize_done) { - last_rot = Rotate0; + setImageScaledLoaded(false); + setImageIsJpeg(false); + if (FirstResizeDone()) { + m_last_rot = Rotate0; generateImage(); } else if (_original_data.size().isValid()) { - if (image_fit_into(_original_data.size()) || !show_zoomer) _zoomer->hide(); + if (image_fit_into(_original_data.size()) || !ShowZoomer()) _zoomer->hide(); resizeContents(_original_data.width(),_original_data.height()); } } -void ImageScrollView::setAutoRotate(bool how) +void OImageScrollView::setAutoRotate(bool how) { /* to avoid double repaints */ - if (rotate_to_fit != how) { - rotate_to_fit = how; + if (AutoRotate() != how) { + m_states.setBit(AUTO_ROTATE,how); _image_data = QImage(); generateImage(); } } -void ImageScrollView::setAutoScale(bool how) +bool OImageScrollView::AutoRotate()const +{ + return m_states.testBit(AUTO_ROTATE); +} + +void OImageScrollView::setAutoScale(bool how) { - scale_to_fit = how; + m_states.setBit(AUTO_SCALE,how); if (!how) { - rotate_to_fit = false; + setAutoRotate(false); } _image_data = QImage(); - if (image_is_jpeg && how == false && image_scaled_loaded==true) { + if (ImageIsJpeg() && how == false && ImageScaledLoaded()==true) { loadJpeg(true); } generateImage(); } -ImageScrollView::~ImageScrollView() +bool OImageScrollView::AutoScale()const +{ + return m_states.testBit(AUTO_SCALE); +} + +OImageScrollView::~OImageScrollView() { } -void ImageScrollView::rescaleImage(int w, int h) +void OImageScrollView::rescaleImage(int w, int h) { if (_image_data.width()==w && _image_data.height()==h) { return; @@ -189,7 +234,7 @@ void ImageScrollView::rescaleImage(int w, int h) _image_data = _image_data.smoothScale(smoothW,smoothH); } -void ImageScrollView::rotate_into_data(Rotation r) +void OImageScrollView::rotate_into_data(Rotation r) { /* realy - we must do this that way, 'cause when acting direct on _image_data the app will segfault :( */ @@ -303,19 +348,20 @@ void ImageScrollView::rotate_into_data(Rotation r) _image_data = dest; } -void ImageScrollView::generateImage() +void OImageScrollView::generateImage() { Rotation r = Rotate0; + if (_original_data.isNull()) return; { QCopEnvelope( "QPE/System", "busy()" ); } if (width()>height()&&_original_data.width()<_original_data.height() || width()_original_data.height()) { - if (rotate_to_fit) r = Rotate90; + if (AutoRotate()) r = Rotate90; } odebug << " r = " << r << oendl; - if (scale_to_fit) { + if (AutoScale()) { if (!_image_data.size().isValid()||width()>_image_data.width()||height()>_image_data.height()) { odebug << "Rescaling data" << oendl; if (r==Rotate0) { @@ -326,13 +372,13 @@ void ImageScrollView::generateImage() } rescaleImage(width(),height()); resizeContents(_image_data.width(),_image_data.height()); - } else if (!first_resize_done||r!=last_rot||_image_data.width()==0) { + } else if (!FirstResizeDone()||r!=m_last_rot||_image_data.width()==0) { if (r==Rotate0) { _image_data = _original_data; } else { rotate_into_data(r); } - last_rot = r; + m_last_rot = r; resizeContents(_image_data.width(),_image_data.height()); } _pdata.convertFromImage(_image_data); @@ -347,10 +393,11 @@ void ImageScrollView::generateImage() /* * move scrollbar */ - _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 ); + 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 */ @@ -361,17 +408,17 @@ void ImageScrollView::generateImage() } } -void ImageScrollView::resizeEvent(QResizeEvent * e) +void OImageScrollView::resizeEvent(QResizeEvent * e) { - odebug << "ImageScrollView resizeEvent" << oendl; + odebug << "OImageScrollView resizeEvent" << oendl; QScrollView::resizeEvent(e); generateImage(); - first_resize_done = true; + setFirstResizeDone(true); emit viewportSizeChanged( viewport()->size() ); } -void ImageScrollView::keyPressEvent(QKeyEvent * e) +void OImageScrollView::keyPressEvent(QKeyEvent * e) { if (!e) return; int dx = horizontalScrollBar()->lineStep(); @@ -394,7 +441,7 @@ void ImageScrollView::keyPressEvent(QKeyEvent * e) QScrollView::keyPressEvent(e); } -void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph) +void OImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw, int cliph) { int w = clipw; int h = cliph; @@ -427,7 +474,7 @@ void ImageScrollView::drawContents(QPainter * p, int clipx, int clipy, int clipw } /* using the real geometry points and not the translated points is wanted! */ -void ImageScrollView::viewportMouseMoveEvent(QMouseEvent* e) +void OImageScrollView::viewportMouseMoveEvent(QMouseEvent* e) { odebug << "Move X and Y " << e->x() << " " << e->y() << oendl; int mx, my; @@ -456,7 +503,7 @@ void ImageScrollView::viewportMouseMoveEvent(QMouseEvent* e) _mouseStartPosY=my; } -void ImageScrollView::contentsMousePressEvent ( QMouseEvent * e) +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 @@ -468,7 +515,7 @@ void ImageScrollView::contentsMousePressEvent ( QMouseEvent * e) _mouseStartPosY = -1; } -void ImageScrollView::setDestructiveClose() { +void OImageScrollView::setDestructiveClose() { WFlags fl = getWFlags(); /* clear it just in case */ fl &= ~WDestructiveClose; @@ -476,7 +523,7 @@ void ImageScrollView::setDestructiveClose() { setWFlags( fl ); } -bool ImageScrollView::image_fit_into(const QSize&s ) +bool OImageScrollView::image_fit_into(const QSize&s ) { if (s.width()>width()||s.height()>height()) { return false; @@ -484,17 +531,56 @@ bool ImageScrollView::image_fit_into(const QSize&s ) return true; } -void ImageScrollView::setShowZoomer(bool how) +void OImageScrollView::setShowZoomer(bool how) { - show_zoomer = how; + m_states.setBit(SHOW_ZOOMER,how); check_zoomer(); } -void ImageScrollView::check_zoomer() +bool OImageScrollView::ShowZoomer()const +{ + return m_states.testBit(SHOW_ZOOMER); +} + +void OImageScrollView::check_zoomer() { - if ( (!show_zoomer||image_fit_into(_pdata.size()) ) && _zoomer->isVisible()) { + if (!_zoomer) return; + if ( (!ShowZoomer()||image_fit_into(_pdata.size()) ) && _zoomer->isVisible()) { _zoomer->hide(); - } else if ( show_zoomer && !image_fit_into(_pdata.size()) && _zoomer->isHidden()){ + } else if ( ShowZoomer() && !image_fit_into(_pdata.size()) && _zoomer->isHidden()){ _zoomer->show(); } } + +bool OImageScrollView::FirstResizeDone()const +{ + return m_states.testBit(FIRST_RESIZE_DONE); +} + +void OImageScrollView::setFirstResizeDone(bool how) +{ + m_states.setBit(FIRST_RESIZE_DONE,how); +} + +bool OImageScrollView::ImageIsJpeg()const +{ + return m_states.testBit(IMAGE_IS_JPEG); +} + +void OImageScrollView::setImageIsJpeg(bool how) +{ + m_states.setBit(IMAGE_IS_JPEG,how); +} + +bool OImageScrollView::ImageScaledLoaded()const +{ + return m_states.testBit(IMAGE_SCALED_LOADED); +} + +void OImageScrollView::setImageScaledLoaded(bool how) +{ + m_states.setBit(IMAGE_SCALED_LOADED,how); +} + +} // namespace MM +} // namespace Opie -- cgit v0.9.0.2