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authoralwin <alwin>2004-04-05 22:09:25 (UTC)
committer alwin <alwin>2004-04-05 22:09:25 (UTC)
commit266b184c615022484b988e1638be768b11c0c19b (patch) (side-by-side diff)
treeb2560b3a64c49db414fa950fc3ef4670e25cd5ca
parent930abeed35ee6dd3aaec491f13d400f825b9d9d1 (diff)
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yeah - autoresize and autoscale now have toggle-buttons and the image display
respect these buttons ToDo: find a good way for prescaled loading of images if autoScale is on (in respect to autorotate and so on)
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.cpp56
-rw-r--r--noncore/graphics/opie-eye/gui/imagescrollview.h4
-rw-r--r--noncore/graphics/opie-eye/gui/mainwindow.cpp41
-rw-r--r--noncore/graphics/opie-eye/gui/mainwindow.h5
4 files changed, 95 insertions, 11 deletions
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.cpp b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
index 7d83e29..ee20f40 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.cpp
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.cpp
@@ -11,64 +11,94 @@ 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)
{
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)
{
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(img),scale_to_fit(always_scale),
rotate_to_fit(rfit),first_resize_done(false)
{
init();
}
void ImageScrollView::setImage(const QImage&img)
{
_image_data = QImage();
_original_data=img;
- first_resize_done = false;
- init();
+ if (first_resize_done) {
+ generateImage();
+ }
}
void ImageScrollView::setImage( const QString& path ) {
-
+ odebug << "load new image " << oendl;
+ _original_data.load(path);
+ _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);
- if (_original_data.size().isValid()) {
+ 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());
}
- last_rot = Rotate0;
+}
+
+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)
+{
+ scale_to_fit = how;
+ if (!how) {
+ rotate_to_fit = false;
+ }
+ _image_data = QImage();
+ generateImage();
}
ImageScrollView::~ImageScrollView()
{
}
void ImageScrollView::rescaleImage(int w, int h)
{
if (_image_data.width()==w && _image_data.height()==h) {
return;
}
double hs = (double)h / (double)_image_data.height() ;
double ws = (double)w / (double)_image_data.width() ;
double scaleFactor = (hs > ws) ? ws : hs;
int smoothW = (int)(scaleFactor * _image_data.width());
int smoothH = (int)(scaleFactor * _image_data.height());
_image_data = _image_data.smoothScale(smoothW,smoothH);
}
void ImageScrollView::rotate_into_data(Rotation r)
{
/* realy - we must do this that way, 'cause when acting direct on _image_data the app will
segfault :( */
QImage dest;
@@ -160,77 +190,83 @@ void ImageScrollView::rotate_into_data(Rotation r)
dest.setNumColors(_original_data.numColors());
srcTable = (unsigned int *)_original_data.colorTable();
destTable = (unsigned int *)dest.colorTable();
for ( x=0; x < _original_data.numColors(); ++x )
destTable[x] = srcTable[x];
for ( y=0; y < _original_data.height(); ++y )
{
srcData = (unsigned char *)_original_data.scanLine(y);
for ( x=0; x < _original_data.width(); ++x )
{
destData = (unsigned char *)dest.scanLine(_original_data.width()-x-1);
destData[y] = srcData[x];
}
}
break;
default:
dest = _original_data;
break;
}
}
_image_data = dest;
}
-void ImageScrollView::resizeEvent(QResizeEvent * e)
+void ImageScrollView::generateImage()
{
- odebug << "ImageScrollView resizeEvent" << oendl;
- QScrollView::resizeEvent(e);
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(width()-10,height()-10);
- } else if (!first_resize_done||r!=last_rot) {
+ 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());
}
+}
+
+void ImageScrollView::resizeEvent(QResizeEvent * e)
+{
+ odebug << "ImageScrollView resizeEvent" << oendl;
+ QScrollView::resizeEvent(e);
+ generateImage();
first_resize_done = true;
}
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()) {
p->fillRect(clipx,clipy,clipw,cliph,white);
return;
}
if (w>_image_data.width()) {
w=_image_data.width();
x = 0;
erase = true;
} else if (x+w>_image_data.width()){
x = _image_data.width()-w;
}
if (h>_image_data.height()) {
h=_image_data.height();
diff --git a/noncore/graphics/opie-eye/gui/imagescrollview.h b/noncore/graphics/opie-eye/gui/imagescrollview.h
index 864a015..dcf54ce 100644
--- a/noncore/graphics/opie-eye/gui/imagescrollview.h
+++ b/noncore/graphics/opie-eye/gui/imagescrollview.h
@@ -1,68 +1,72 @@
#ifndef _IMAGE_SCROLL_VIEW_H
#define _IMAGE_SCROLL_VIEW_H
#include <qscrollview.h>
#include <qimage.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();
void setImage(const QImage&);
void setImage( const QString& path );
void setDestructiveClose();
+ void setAutoRotate(bool);
+ 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;
int _mouseStartPosX,_mouseStartPosY;
bool scale_to_fit;
bool rotate_to_fit;
bool first_resize_done;
Rotation last_rot;
void rescaleImage(int w, int h);
void rotate_into_data(Rotation r);
+ void generateImage();
protected slots:
virtual void viewportMouseMoveEvent(QMouseEvent* e);
virtual void contentsMousePressEvent ( QMouseEvent * e);
virtual void contentsMouseReleaseEvent ( QMouseEvent * e);
virtual void resizeEvent(QResizeEvent * e);
};
/* for testing */
class ImageDlg:public QDialog
{
Q_OBJECT
public:
ImageDlg(const QString&,QWidget * parent=0, const char * name=0);
virtual ~ImageDlg();
};
#endif
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.cpp b/noncore/graphics/opie-eye/gui/mainwindow.cpp
index 7f384bd..88acd59 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.cpp
+++ b/noncore/graphics/opie-eye/gui/mainwindow.cpp
@@ -71,55 +71,88 @@ PMainWindow::PMainWindow(QWidget* wid, const char* name, WFlags style)
connect( btn, SIGNAL( changeDir( const QString& ) ),
m_view, SLOT(slotChangeDir( const QString& ) ) );
btn = new QToolButton( bar );
btn->setIconSet( Resource::loadIconSet( "edit" ) );
connect( btn, SIGNAL(clicked()),
m_view, SLOT(slotRename()) );
if ( Ir::supported() ) {
btn = new QToolButton( bar );
btn->setIconSet( Resource::loadIconSet( "beam" ) );
connect( btn, SIGNAL(clicked()),
m_view, SLOT(slotBeam()) );
}
btn = new QToolButton( bar );
btn->setIconSet( Resource::loadIconSet( "trash" ) );
connect( btn, SIGNAL(clicked() ),
m_view, SLOT(slotTrash() ) );
btn = new QToolButton( bar );
btn->setIconSet( Resource::loadIconSet( "SettingsIcon" ) );
connect( btn, SIGNAL(clicked() ),
this, SLOT(slotConfig() ) );
+
+ rotateButton = new QToolButton(bar);
+ rotateButton->setIconSet( Resource::loadIconSet( "rotate" ) );
+ rotateButton->setToggleButton(true);
+ rotateButton->setOn(true);
+ connect(rotateButton,SIGNAL(toggled(bool)),this,SLOT(slotRotateToggled(bool)));
+ autoRotate = true;
+
+ btn = new QToolButton(bar);
+ btn->setIconSet( Resource::loadIconSet( "1to1" ) );
+ btn->setToggleButton(true);
+ btn->setOn(false);
+ connect(btn,SIGNAL(toggled(bool)),this,SLOT(slotScaleToggled(bool)));
+ autoScale = true;
}
PMainWindow::~PMainWindow() {
odebug << "Shutting down" << oendl;
}
+void PMainWindow::slotRotateToggled(bool how)
+{
+ autoRotate = how;
+ if (m_disp) {
+ m_disp->setAutoRotate(how);
+ }
+}
+
+void PMainWindow::slotScaleToggled(bool how)
+{
+ autoScale = !how;
+ if (m_disp) {
+ m_disp->setAutoScale(autoScale);
+ }
+ if (!autoScale && autoRotate) {
+ rotateButton->setOn(false);
+ }
+ rotateButton->setEnabled(!how);
+}
void PMainWindow::slotConfig() {
/*
* have a tab with the possible views
* a tab for globals image cache size.. scaled loading
* and one tab for the KeyConfigs
*/
QDialog dlg(this, 0, true);
dlg.setCaption( tr("Phunk View - Config" ) );
QHBoxLayout *lay = new QHBoxLayout(&dlg);
Opie::Ui::OTabWidget *wid = new Opie::Ui::OTabWidget(&dlg );
lay->addWidget( wid );
ViewMap *vM = viewMap();
ViewMap::Iterator _it = vM->begin();
QMap<PDirView*, QWidget*> lst;
for( ; _it != vM->end(); ++_it ) {
PDirView *view = (_it.data())(*m_cfg);
PInterfaceInfo *inf = view->interfaceInfo();
QWidget *_wid = inf->configWidget( *m_cfg );
_wid->reparent(wid, QPoint() );
lst.insert( view, _wid );
wid->addTab( _wid, "fileopen", inf->name() );
@@ -159,68 +192,74 @@ void PMainWindow::slotConfig() {
/*
* create a new image info component
* and detach the current one
* we will make the other delete on exit
*/
template<class T>
void PMainWindow::initT( const char* name, T** ptr, int id) {
if ( *ptr ) {
(*ptr)->disconnect(this, SLOT(slotReturn()));
(*ptr)->setDestructiveClose();
m_stack->removeWidget( *ptr );
}
*ptr = new T( m_stack, name );
m_stack->addWidget( *ptr, id );
connect(*ptr, SIGNAL(sig_return()),
this,SLOT(slotReturn()));
}
void PMainWindow::initInfo() {
initT<imageinfo>( "Image Info", &m_info, ImageInfo );
}
void PMainWindow::initDisp() {
initT<ImageScrollView>( "Image ScrollView", &m_disp, ImageDisplay );
+ if (m_disp) {
+ m_disp->setAutoScale(autoScale);
+ m_disp->setAutoRotate(autoRotate);
+ }
+
}
/**
* With big Screen the plan could be to 'detach' the image
* window if visible and to create a ne wone
* init* already supports it but I make no use of it for
* now. We set filename and raise
*
* ### FIXME and talk to alwin
*/
void PMainWindow::slotShowInfo( const QString& inf ) {
if ( !m_info )
initInfo();
m_info->setPath( inf );
m_stack->raiseWidget( ImageInfo );
}
void PMainWindow::slotDisplay( const QString& inf ) {
- if ( !m_disp )
+ if ( !m_disp ) {
initDisp();
+ }
m_disp->setImage( inf );
m_stack->raiseWidget( ImageDisplay );
}
void PMainWindow::slotReturn() {
raiseIconView();
}
void PMainWindow::closeEvent( QCloseEvent* ev ) {
/*
* return from view
* or properly quit
*/
if ( m_stack->visibleWidget() == m_info ||
m_stack->visibleWidget() == m_disp ) {
raiseIconView();
ev->ignore();
return;
}
ev->accept();
QTimer::singleShot(0, qApp, SLOT(closeAllWindows()));
}
diff --git a/noncore/graphics/opie-eye/gui/mainwindow.h b/noncore/graphics/opie-eye/gui/mainwindow.h
index 35116ae..6debf7f 100644
--- a/noncore/graphics/opie-eye/gui/mainwindow.h
+++ b/noncore/graphics/opie-eye/gui/mainwindow.h
@@ -16,47 +16,52 @@ namespace Opie {
namespace Ui{
class OKeyConfigManager;
class OWidgetStack;
}
}
class PIconView;
class imageinfo;
class ImageScrollView;
class PMainWindow : public QMainWindow {
Q_OBJECT
enum Views { IconView, ImageInfo, ImageDisplay };
public:
static QString appName() { return QString::fromLatin1("opie-eye" ); }
PMainWindow(QWidget*, const char*, WFlags );
~PMainWindow();
signals:
void configChanged();
public slots:
void slotShowInfo( const QString& inf );
void slotDisplay( const QString& inf );
void slotReturn();
+ void slotRotateToggled(bool);
+ void slotScaleToggled(bool);
protected:
void raiseIconView();
void closeEvent( QCloseEvent* );
private:
template<class T> void initT( const char* name, T**, int );
void initInfo();
void initDisp();
private:
Opie::Core::OConfig *m_cfg;
Opie::Ui::OWidgetStack *m_stack;
PIconView* m_view;
imageinfo *m_info;
ImageScrollView *m_disp;
+ bool autoRotate;
+ bool autoScale;
+ QToolButton*rotateButton;
private slots:
void slotConfig();
};
#endif