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authorwarmi <warmi>2002-08-15 03:19:32 (UTC)
committer warmi <warmi>2002-08-15 03:19:32 (UTC)
commitacdedf093413a37a3e2c1ab5b12c1ab0a95b670b (patch) (side-by-side diff)
treee5ffc814ae6b7e0787b24347e3e98c16fa3ca68c
parent92640e4094075342138796065040441210348c76 (diff)
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Bunch of new GUI features ( brightness control, ability to view unscaled images ..)
Qte image handling issues are still not fixed though.
Diffstat (more/less context) (ignore whitespace changes)
-rw-r--r--noncore/multimedia/showimg/showimg.cpp1019
1 files changed, 753 insertions, 266 deletions
diff --git a/noncore/multimedia/showimg/showimg.cpp b/noncore/multimedia/showimg/showimg.cpp
index 24218e6..d7d53ec 100644
--- a/noncore/multimedia/showimg/showimg.cpp
+++ b/noncore/multimedia/showimg/showimg.cpp
@@ -24,9 +24,12 @@
#include "showimg.h"
-
+#include "ImageFileSelector.h"
+
+#include <qpe/config.h>
#include <qpe/resource.h>
#include <qpe/fileselector.h>
#include <qpe/applnk.h>
-
+#include <qfileinfo.h>
+#include <math.h>
#include <qpe/qpemenubar.h>
#include <qwidgetstack.h>
@@ -36,4 +39,5 @@
#include <qmessagebox.h>
#include <qpopupmenu.h>
+#include <qscrollview.h>
#include <qlabel.h>
#include <qpainter.h>
@@ -42,49 +46,135 @@
#include <qclipboard.h>
#include <qtimer.h>
+#include <qspinbox.h>
-ImagePane::ImagePane( QWidget *parent ) : QWidget( parent )
+
+ControlsDialog::ControlsDialog(const QString &caption,QImage image,int *brightness,QWidget *parent):QDialog(parent,0,true)
{
- vb = new QVBoxLayout( this );
+ setCaption(caption);
- image = new ImageWidget( this );
- connect(image, SIGNAL( clicked() ), this, SLOT( imageClicked() ));
+ if ( parent )
+ {
+ setPalette(parent->palette());
+ }
- vb->addWidget( image );
+ b=brightness;
+ img=image;
+
+ setMinimumSize(140,80);
+
+ QGridLayout *gl= new QGridLayout(this,2,2,4,4);
+
+ pixmap =new ImageWidget(this);;
+ QPixmap pm;
+ pm.convertFromImage(img);
+ pixmap->setPixmap(pm);
+ pixmap->setMinimumSize(pm.width(),pm.height());
+ gl->addMultiCellWidget(pixmap,0,0,0,2,AlignCenter);
+ QLabel *l=new QLabel(tr("Brightness")+":",this);
+ gl->addWidget(l,1,0,AlignLeft);
+ spb=new QSpinBox(-100,100,2,this);
+ gl->addWidget(spb,1,1,AlignRight);
+
+ spb->setValue(0);
+
+ connect(spb,SIGNAL(valueChanged(int)),this, SLOT(bValueChanged(int)));
- status = new QLabel( this );
- status->setFixedHeight( fontMetrics().height() + 4 );
- vb->addWidget( status );
}
-void ImagePane::setPixmap( const QPixmap &pm )
+void ControlsDialog::bValueChanged(int value)
{
- image->setPixmap( pm );
- image->repaint( false );
+ QImage nImage=img;
+ nImage.detach();
+ ImageViewer::intensity(nImage, (float)value/100);
+ QPixmap pm;
+ pm.convertFromImage(nImage);
+ pixmap->setPixmap(pm);
+ pixmap->repaint(false);
+
+
}
-void ImagePane::imageClicked()
+void ControlsDialog::accept()
{
- emit clicked();
+ *b=spb->value();
+ done(1);
}
-void ImagePane::showStatus()
+
+
+InfoDialog::InfoDialog(const QString &caption, const QStringList text,QWidget *parent):QDialog(parent,0,true)
{
- delete vb;
- vb = new QVBoxLayout( this );
- vb->addWidget( image );
- status->show();
- vb->addWidget( status );
+ setCaption(caption);
+
+ if ( parent )
+ {
+ setPalette(parent->palette());
+ }
+
+ const char *labels[]={"File Name","Format","File Size","Size","Colors","Alpha"};
+
+ setMinimumSize(180,80);
+ int num=ImageViewer::LAST+1;
+ if ( text[ImageViewer::ALPHA].isEmpty() )
+ num--;
+ QGridLayout *gl= new QGridLayout(this,num,2,4,2);
+ QLabel *l;
+ int count=0;
+ for ( int i=0;i<num;i++ )
+ {
+ if ( i==1 )
+ {
+ QFrame *frm=new QFrame(this);
+ frm->setFrameStyle(QFrame::HLine|QFrame::Sunken);
+ gl->addMultiCellWidget(frm,i,i,0,1);
+ }
+ else
+ {
+ l=new QLabel(tr(labels[count])+":",this);
+ gl->addWidget(l,i,0,AlignLeft);
+ l=new QLabel(text[count],this);
+ gl->addWidget(l,i,1,AlignRight);
+ count++;
+ }
+
+ }
+
}
+void InfoDialog::displayInfo(const QString &caption, const QStringList text, QWidget *parent)
+{
+ InfoDialog *dlg=new InfoDialog(caption,text,parent);
+ dlg->exec();
+ delete dlg;
+}
+
-void ImagePane::hideStatus()
+ImagePane::ImagePane( QWidget *parent ) : QWidget( parent )
{
- delete vb;
vb = new QVBoxLayout( this );
+
+ image = new QScrollView(this,0,WResizeNoErase|WNorthWestGravity);
+ pic=new ImageWidget(image);
+ image->addChild(pic);
+
+ connect(pic, SIGNAL( clicked() ), this, SLOT( imageClicked() ));
+
vb->addWidget( image );
- status->hide();
+
}
+void ImagePane::setPixmap( const QPixmap &pm )
+{
+ pic->setPixmap( pm );
+ pic->resize(pm.width(),pm.height());
+ image->updateScrollBars ();
+ pic->repaint(false);
+}
+
+void ImagePane::imageClicked()
+{
+ emit clicked();
+}
//===========================================================================
/*
@@ -97,9 +187,9 @@ void ImageWidget::paintEvent( QPaintEvent *e )
painter.setClipRect(e->rect());
- painter.setBrush( black );
- painter.drawRect( 0, 0, width(), height() );
+ painter.fillRect(0,0,width(),height(),QColor(0,0,0));
- if ( pixmap.size() != QSize( 0, 0 ) ) { // is an image loaded?
- painter.drawPixmap((width() - pixmap.width()) / 2, (height() - pixmap.height()) / 2, pixmap);
+ if ( pixmap.size() != QSize( 0, 0 ) )
+ { // is an image loaded?
+ painter.drawPixmap((width() - pixmap.width()) / 2, (height() - pixmap.height()) / 2, pixmap);
}
}
@@ -110,14 +200,19 @@ void ImageWidget::mouseReleaseEvent(QMouseEvent *)
}
-
//===========================================================================
ImageViewer::ImageViewer( QWidget *parent, const char *name, int wFlags )
- : QMainWindow( parent, name, wFlags ), filename( 0 ),
- pickx( -1 ), picky( -1 ), clickx( -1 ), clicky( -1 ), bFromDocView( FALSE )
+: QMainWindow( parent, name, wFlags ), filename( 0 ), bFromDocView( FALSE )
{
setCaption( tr("Image Viewer") );
setIcon( Resource::loadPixmap( "ImageViewer" ) );
+
+ Config cfg("Image Viewer");
+ cfg.setGroup("Image Viewer");
+
+ showThumbView=cfg.readBoolEntry("ShowThumbnails",false);
+ isSized=cfg.readBoolEntry("SizeToScreen",true);
+
isFullScreen = FALSE;
@@ -127,16 +222,47 @@ ImageViewer::ImageViewer( QWidget *parent, const char *name, int wFlags )
toolBar->setHorizontalStretchable( TRUE );
- menubar = new QPEMenuBar( toolBar );
+ menuBar = new QPEMenuBar( toolBar );
+
+ current=menuBar;
+
+
+
+ fileMenuFile = new QPopupMenu(this);
+ //menuBarmenubarFile->insertItem( tr("File"), fileMenu );
+ fileMenuFile->insertItem(tr("Open"), this, SLOT(openFile()), 0);
+
+ viewMenuFile = new QPopupMenu( this );
+ //menubarFile->insertItem( tr("View"), viewMenu );
+ viewMenuFile->insertItem( tr("Thumbnail View"), this, SLOT(switchThumbView()), 0, SHOW_THUMBNAILS );
+
+ viewMenuFile->setItemChecked ( SHOW_THUMBNAILS, showThumbView );
+
+
+
+
+ optionsMenuFile = new QPopupMenu( this);
+ //menubarFile->insertItem( tr("Options"),optionsMenu );
+ optionsMenuFile->insertItem( tr("Slideshow") );
+ optionsMenuFile->insertSeparator();
+ optionsMenuFile->insertItem( tr("Preferences.."));
+ optionsMenuFile->insertItem( tr("Help"));
+
+
+
QStrList fmt = QImage::outputFormats();
- QPopupMenu *edit = new QPopupMenu( menubar );
- QPopupMenu *view = new QPopupMenu( menubar );
- menubar->insertItem(tr("Edit"), edit );
- menubar->insertItem(tr("View"), view );
+ fileMenuView = new QPopupMenu( this );
+ //menubarView->insertItem( tr("File"),fileMenu );
+ fileMenuView->insertItem( tr("Image Info ..."),this, SLOT(displayInfoDialog()),0 );
+ fileMenuView->insertSeparator();
+
+ viewMenuView = new QPopupMenu(this );
+ viewMenuView->setCheckable ( true );
- edit->insertItem(tr("Horizontal flip"), this, SLOT(hFlip()), 0);
- edit->insertItem(tr("Vertical flip"), this, SLOT(vFlip()), 0);
+ //menubarView->insertItem( tr("View"),viewMenu );
+ viewMenuView->insertItem(tr("Horizontal flip"), this, SLOT(hFlip()), 0);
+ viewMenuView->insertItem(tr("Vertical flip"), this, SLOT(vFlip()), 0);
stack = new QWidgetStack( this );
@@ -144,50 +270,153 @@ ImageViewer::ImageViewer( QWidget *parent, const char *name, int wFlags )
setCentralWidget( stack );
- imagePanel = new ImagePane( stack );
+
+ imagePanel = new ImagePane( stack );
connect(imagePanel, SIGNAL(clicked()), this, SLOT(normalView()));
- fileSelector = new FileSelector("image/*", stack, "fs");
- fileSelector->setNewVisible(FALSE);
- fileSelector->setCloseVisible(FALSE);
+
+ ImageFileSelector::CURRENT_VIEW cv;
+ if(showThumbView)
+ cv=ImageFileSelector::THUMBNAIL;
+ else
+ cv=ImageFileSelector::DETAILED;
+
+ qDebug("cv = %d",cv);
+
+ fileSelector = new ImageFileSelector( cv,stack, "fs");
+
+ //switchThumbView();
+
+
+ //fileSelector = new ImageFileSelector("image/*", stack, "fs");
+ //fileSelector->setNewVisible(FALSE);
+ //fileSelector->setCloseVisible(FALSE);
connect( fileSelector, SIGNAL( closeMe() ), this, SLOT( closeFileSelector() ) );
connect( fileSelector, SIGNAL( fileSelected( const DocLnk &) ), this, SLOT( openFile( const DocLnk & ) ) );
- toolBar = new QPEToolBar( this );
+ iconToolBar = new QPEToolBar(this);
QAction *a;
- a = new QAction( tr( "Open" ), Resource::loadPixmap( "fileopen" ), QString::null, 0, this, 0 );
+ a = new QAction( tr( "Open ..." ), Resource::loadPixmap( "fileopen" ), QString::null, 0, this, 0 );
connect( a, SIGNAL( activated() ), this, SLOT( open() ) );
- a->addTo( toolBar );
+ a->addTo( fileMenuView);
+ a->addTo( iconToolBar );
- a = new QAction( tr( "Rotate 180" ), Resource::loadPixmap( "repeat" ), QString::null, 0, this, 0 );
- connect( a, SIGNAL( activated() ), this, SLOT( rot180() ) );
- a->addTo( toolBar );
- a->addTo( edit );
a = new QAction( tr( "Rotate 90"), Resource::loadPixmap( "rotate90" ), QString::null, 0, this, 0);
connect( a, SIGNAL( activated() ), this, SLOT( rot90() ) );
- a->addTo( toolBar );
- a->addTo( edit );
+ a->addTo( iconToolBar );
+ a->addTo( viewMenuView );
+
+ a = new QAction( tr( "Rotate 180" ), Resource::loadPixmap( "repeat" ), QString::null, 0, this, 0 );
+ connect( a, SIGNAL( activated() ), this, SLOT( rot180() ) );
+ a->addTo( iconToolBar );
+ a->addTo( viewMenuView );
+
+
+ a = new QAction( tr( "Rotate 270"), Resource::loadPixmap( "rotate270" ), QString::null, 0, this, 0);
+ connect( a, SIGNAL( activated() ), this, SLOT( rot270() ) );
+ //a->addTo( iconToolBar );
+ a->addTo( viewMenuView );
+
+
+
+ viewMenuView->insertSeparator();
+ viewMenuView->insertItem(tr("Brightness ..."), this, SLOT(displayControlsDialog()), 0);
+ viewMenuView->insertItem(tr("Black And White"), this, SLOT(blackAndWhite()), 0,BLACKANDWHITE);
+ viewMenuView->insertSeparator();
+
+
+ sss = new QAction( tr( "Scale to Screen"), Resource::loadPixmap( "scale" ), QString::null, 0, this, 0,true);
+ connect( sss, SIGNAL( activated() ), this, SLOT( switchSizeToScreen() ) );
+ sss->addTo( iconToolBar );
+ sss->addTo( viewMenuView );
+
+ sss->setOn(isSized);
+ viewMenuView->insertSeparator();
+
a = new QAction( tr( "Fullscreen" ), Resource::loadPixmap( "fullscreen" ), QString::null, 0, this, 0 );
connect( a, SIGNAL( activated() ), this, SLOT( fullScreen() ) );
- a->addTo( toolBar );
- a->addTo( view);
+ a->addTo( iconToolBar );
+ a->addTo( viewMenuView);
+
+ switchToFileSelector();
- stack->raiseWidget( fileSelector );
+ setMouseTracking( TRUE );
- setMouseTracking( TRUE );
+
}
ImageViewer::~ImageViewer()
{
+ Config cfg("Image Viewer");
+ cfg.setGroup("Image Viewer");
+
+ cfg.writeEntry("ShowThumbnails",(int)showThumbView);
+ cfg.writeEntry("SizeToScreen",(int)isSized);
+
delete imagePanel; // in case it is fullscreen
}
+void ImageViewer::switchSizeToScreen()
+{
+ isSized=!isSized;
+ sss->setOn(isSized);
+ updateImage();
+}
+
+void ImageViewer::updateImage()
+{
+ if ( isSized )
+ {
+ imagePanel->setPixmap(pmScaled);
+ }
+ else
+ {
+ imagePanel->setPixmap(pm);
+ }
+}
+
+void ImageViewer::switchThumbView()
+{
+
+ showThumbView=!showThumbView;
+ viewMenuFile->setItemChecked ( SHOW_THUMBNAILS, showThumbView );
+ fileSelector->switchView();
+
+}
+
+void ImageViewer::switchToFileSelector()
+{
+ stack->raiseWidget(fileSelector);
+ menuBar->clear();
+ menuBar->insertItem( tr("File"), fileMenuFile );
+ menuBar->insertItem( tr("View"), viewMenuFile );
+ menuBar->insertItem( tr("Options"), optionsMenuFile );
+ iconToolBar->hide();
+ imagePanel->disable();
+
+}
+
+void ImageViewer::switchToImageView()
+{
+ stack->raiseWidget(imagePanel);
+
+ menuBar->clear();
+ menuBar->insertItem( tr("File"), fileMenuView );
+ menuBar->insertItem( tr("View"), viewMenuView );
+ viewMenuView->setItemEnabled(BLACKANDWHITE,true);
+ iconToolBar->show();
+
+ imagePanel->setPosition(0,0);
+
+}
+
+
void ImageViewer::setDocument(const QString& fileref)
{
delayLoad = fileref;
- stack->raiseWidget(imagePanel);
+ switchToImageView();
QTimer::singleShot( 0, this, SLOT(doDelayedLoad()) );
}
@@ -209,10 +438,13 @@ void ImageViewer::show(const QString& fileref)
closeFileSelector();
DocLnk link(fileref);
- if ( link.isValid() ) {
- openFile(link);
- } else {
- filename = fileref;
- updateCaption( fileref );
- loadImage( fileref );
+ if ( link.isValid() )
+ {
+ openFile(link);
+ }
+ else
+ {
+ filename = fileref;
+ updateCaption( fileref );
+ loadImage( fileref );
}
}
@@ -228,10 +460,10 @@ void ImageViewer::openFile( const DocLnk &file )
void ImageViewer::open()
{
- stack->raiseWidget(fileSelector);
+ switchToFileSelector();
}
void ImageViewer::closeFileSelector()
{
- stack->raiseWidget(imagePanel);
+ switchToImageView();
}
@@ -240,5 +472,5 @@ void ImageViewer::updateCaption( QString name )
int sep = name.findRev( '/' );
if ( sep >= 0 )
- name = name.mid( sep+1 );
+ name = name.mid( sep+1 );
setCaption( name + tr(" - Image Viewer") );
}
@@ -251,22 +483,25 @@ void ImageViewer::loadImage( const char *fileName )
{
filename = fileName;
- if ( filename ) {
- QApplication::setOverrideCursor( waitCursor ); // this might take time
- imagePanel->statusLabel()->setText( tr("Loading image...") );
- qApp->processEvents();
- bool ok = image.load(filename, 0);
- pickx = -1;
- clickx = -1;
- if ( ok )
- ok = reconvertImage();
- if ( !ok ) {
- pm.resize(0,0); // couldn't load image
- update();
- }
- QApplication::restoreOverrideCursor(); // restore original cursor
- }
- updateStatus();
- imagePanel->setPixmap( pmScaled );
- stack->raiseWidget(imagePanel);
+ if ( filename )
+ {
+ QApplication::setOverrideCursor( waitCursor ); // this might take time
+ //imagePanel->statusLabel()->setText( tr("Loading image...") );
+ qApp->processEvents();
+ bool ok = image.load(filename, 0);
+ if ( ok )
+ {
+ ok = reconvertImage();
+ updateImageInfo(filename);
+ }
+ if ( !ok )
+ {
+ pm.resize(0,0); // couldn't load image
+ update();
+ }
+ QApplication::restoreOverrideCursor(); // restore original cursor
+ }
+ switchToImageView();
+ updateImage();
+
}
@@ -274,23 +509,29 @@ bool ImageViewer::loadSelected()
{
bool ok = false;
- if ( stack->visibleWidget() == fileSelector ) {
- const DocLnk *link = fileSelector->selected();
- if ( link ) {
- if ( link->file() != filename ) {
- updateCaption( link->name() );
- filename = link->file();
- imagePanel->statusLabel()->setText( tr("Loading image...") );
- qApp->processEvents();
- ok = image.load(filename, 0);
- if ( ok )
- ok = reconvertImage();
- if ( !ok )
- pm.resize(0,0);
- }
- }
- }
- if ( !image.isNull() ) {
- ok = true;
- closeFileSelector();
+ if ( stack->visibleWidget() == fileSelector )
+ {
+ const DocLnk *link = fileSelector->selected();
+ if ( link )
+ {
+ if ( link->file() != filename )
+ {
+ updateCaption( link->name() );
+ filename = link->file();
+ qApp->processEvents();
+ ok = image.load(filename, 0);
+ if ( ok )
+ {
+ updateImageInfo(filename);
+ ok = reconvertImage();
+ }
+ if ( !ok )
+ pm.resize(0,0);
+ }
+ }
+ }
+ if ( !image.isNull() )
+ {
+ ok = true;
+ closeFileSelector();
}
@@ -307,13 +548,15 @@ bool ImageViewer::reconvertImage()
if ( pm.convertFromImage(image /*, conversion_flags */ ) )
{
- pmScaled = QPixmap();
- scale();
- success = TRUE; // load successful
- } else {
- pm.resize(0,0); // couldn't load image
+ pmScaled = QPixmap();
+ scale();
+ success = TRUE; // load successful
+ }
+ else
+ {
+ pm.resize(0,0); // couldn't load image
}
- QApplication::restoreOverrideCursor(); // restore original cursor
+ QApplication::restoreOverrideCursor(); // restore original cursor
- return success; // TRUE if loaded OK
+ return success; // TRUE if loaded OK
}
@@ -321,9 +564,8 @@ bool ImageViewer::reconvertImage()
int ImageViewer::calcHeight()
{
- if ( !isFullScreen)
- return height() - menubar->heightForWidth( width() )
- - imagePanel->statusLabel()->height();
+ if ( !isFullScreen )
+ return imagePanel->paneHeight();
else
- return qApp->desktop()->height();
+ return qApp->desktop()->height();
}
/*
@@ -331,5 +573,4 @@ int ImageViewer::calcHeight()
widget size and puts the resulting pixmap in the member variable "pmScaled".
*/
-
void ImageViewer::scale()
{
@@ -338,16 +579,19 @@ void ImageViewer::scale()
QApplication::setOverrideCursor( waitCursor ); // this might take time
- if ( width() == pm.width() && h == pm.height() ) { // no need to scale if widget
- pmScaled = pm; // size equals pixmap size
- } else {
- double hs = (double)h / (double)image.height();
- double ws = (double)width() / (double)image.width();
- double scaleFactor = (hs > ws) ? ws : hs;
- int smoothW = (int)(scaleFactor * image.width());
- int smoothH = (int)(scaleFactor * image.height());
+ if ( imagePanel->paneWidth() == pm.width() && h == pm.height() )
+ { // no need to scale if widget
+ pmScaled = pm; // size equals pixmap size
+ }
+ else
+ {
+ double hs = (double)h / (double)image.height();
+ double ws = (double)imagePanel->paneWidth() / (double)image.width();
+ double scaleFactor = (hs > ws) ? ws : hs;
+ int smoothW = (int)(scaleFactor * image.width());
+ int smoothH = (int)(scaleFactor * image.height());
- pmScaled.convertFromImage( image.smoothScale( smoothW, smoothH ) /*, conversion_flags */ );
+ pmScaled.convertFromImage( image.smoothScale( smoothW, smoothH ) /*, conversion_flags */ );
}
- QApplication::restoreOverrideCursor(); // restore original cursor
+ QApplication::restoreOverrideCursor(); // restore original cursor
}
@@ -359,103 +603,106 @@ void ImageViewer::scale()
void ImageViewer::resizeEvent( QResizeEvent * )
{
- imagePanel->statusLabel()->setGeometry(0, height() - imagePanel->statusLabel()->height(),
- width(), imagePanel->statusLabel()->height());
- if ( pm.size() == QSize( 0, 0 ) ) // we couldn't load the image
- return;
+ if ( pm.size() == QSize( 0, 0 ) ) // we couldn't load the image
+ return;
int h = calcHeight();
- if ( width() != pmScaled.width() || h != pmScaled.height())
- { // if new size,
- scale(); // scale pmScaled to window
- updateStatus();
+ if ( imagePanel->paneWidth() != pmScaled.width() || h != pmScaled.height() )
+ { // if new size,
+ scale(); // scale pmScaled to window
}
if ( image.hasAlphaBuffer() )
- erase();
+ erase();
}
-void ImageViewer::convertEvent( QMouseEvent* e, int& x, int& y)
-{
- if ( pm.size() != QSize( 0, 0 ) ) {
- int h = height() - menubar->heightForWidth( width() ) - imagePanel->statusLabel()->height();
- int nx = e->x() * image.width() / width();
- int ny = (e->y()-menubar->heightForWidth( width() )) * image.height() / h;
- if (nx != x || ny != y ) {
- x = nx;
- y = ny;
- updateStatus();
- }
- }
-}
-void ImageViewer::mousePressEvent( QMouseEvent *e )
+void ImageViewer::hFlip()
{
- convertEvent(e, clickx, clicky);
+ setImage(image.mirror(TRUE,FALSE));
}
-void ImageViewer::mouseMoveEvent( QMouseEvent *e )
+void ImageViewer::vFlip()
{
- convertEvent( e, pickx, picky );
+ setImage(image.mirror(FALSE,TRUE));
}
-void ImageViewer::hFlip()
+void ImageViewer::rot180()
{
- if ( loadSelected() )
- setImage(image.mirror(TRUE,FALSE));
+
+ setImage(image.mirror(TRUE,TRUE));
}
-void ImageViewer::vFlip()
+void ImageViewer::rot90()
{
- if ( loadSelected() )
- setImage(image.mirror(FALSE,TRUE));
-}
+ QImage oldimage;
+ oldimage = image.convertDepth(32);
+ setImage(rotate(oldimage,Rotate90));
-void ImageViewer::rot180()
+}
+void ImageViewer::rot270()
{
- if ( loadSelected() )
- setImage(image.mirror(TRUE,TRUE));
+
+ QImage oldimage;
+ oldimage = image.convertDepth(32);
+ setImage(rotate(oldimage,Rotate270));
+
}
-void ImageViewer::rot90()
+void ImageViewer::blackAndWhite()
{
- if ( loadSelected() ) {
- QImage oldimage, newimage;
- uchar *oldbits, *newbits;
- int i, j, p;
- int w, h;
- oldimage = image.convertDepth(32);
- w = oldimage.height();
- h = oldimage.width();
- newimage = QImage( w, h, 32);
+ viewMenuView->setItemEnabled(BLACKANDWHITE,false);
+ setImage(toGray(image,false));
+
- oldbits = oldimage.bits();
- newbits = newimage.bits();
+}
+
+void ImageViewer::displayControlsDialog()
+{
+ int w=80;
+ int h=w;
+ QImage small;
- for (i=0; i < w ; i++)
- for (j=0; j < h; j++)
- for (p = 0 ; p < 4 ; p++)
- newbits[(j * w + i) * 4 + p] = oldbits[ ((i + 1) * h - j ) * 4 + p];
+ if ( image.width()<w ||image.height()<h )
+ small=image.smoothScale(w,h);
+ else
+ small=image.copy(0,0,w,h);
- setImage(newimage);
+ int newB=0;
+ ControlsDialog *dlg=new ControlsDialog("Image Viewer",small,&newB,this);
+ dlg->exec();
+ if ( newB )
+ {
+ intensity(image,(float)newB/100);
+ setImage(image);
}
+
}
+void ImageViewer::displayInfoDialog()
+{
+
+ QStringList ls;
+
+ for ( int i=0;i<LAST;i++ )
+ ls.append(imageInfo[i]);
+ InfoDialog::displayInfo("Image Viewer",ls,this);
+}
void ImageViewer::normalView()
{
- if ( !imagePanel->parentWidget() ) {
- isFullScreen = FALSE;
- stack->addWidget( imagePanel, 1 );
-// imagePanel->reparent(stack,0,QPoint(0,0),FALSE);
-// imagePanel->resize(width(), calcHeight());
- scale();
- updateStatus();
- imagePanel->setPixmap( pmScaled );
- imagePanel->showStatus();
- // imagePanel->show();
- stack->raiseWidget( imagePanel );
+ if ( !imagePanel->parentWidget() )
+ {
+
+ isFullScreen = FALSE;
+ stack->addWidget( imagePanel, 1 );
+ switchToImageView();
+ if ( isSized )
+ scale();
+
+ updateImage();
+
}
}
@@ -463,17 +710,16 @@ void ImageViewer::normalView()
void ImageViewer::fullScreen()
{
- // Full-screen and rotation options
+ // Full-screen option
// contributed by Robert Wittams <robert@wittams.com>
-
- if ( imagePanel->parentWidget() && loadSelected() ) {
- isFullScreen = TRUE;
- imagePanel->reparent(0,QPoint(0,0));
- imagePanel->resize(qApp->desktop()->width(), qApp->desktop()->height());
-
- scale();
- updateStatus();
- imagePanel->hideStatus();
- imagePanel->setPixmap( pmScaled );
- imagePanel->showFullScreen();
+ if ( imagePanel->parentWidget() && loadSelected() )
+ {
+ isFullScreen = TRUE;
+ imagePanel->reparent(0,QPoint(0,0));
+ imagePanel->resize(qApp->desktop()->width(), qApp->desktop()->height());
+
+ if ( isSized )
+ scale();
+ updateImage();
+ imagePanel->showFullScreen();
}
}
@@ -482,76 +728,317 @@ void ImageViewer::setImage(const QImage& newimage)
{
image = newimage;
- pickx = -1;
- clickx = -1;
reconvertImage();
- imagePanel->setPixmap( pmScaled );
- updateStatus();
-}
-
-void ImageViewer::updateStatus()
-{
- if ( pm.size() == QSize( 0, 0 ) ) {
- if ( filename )
- imagePanel->statusLabel()->setText( tr("Could not load image") );
- else
- imagePanel->statusLabel()->setText( tr("No image - select Open from File menu.") );
- } else {
- QString message("%1x%2");
- message = message.arg(image.width()).arg(image.height());
- if ( pm.size() != pmScaled.size() )
- message += QString(" [%1x%2]").arg(pmScaled.width()).arg(pmScaled.height());
- if (image.valid(pickx,picky)) {
- QString moremsg;
- moremsg.sprintf("(%d,%d)=#%0*x ",
- pickx, picky,
- image.hasAlphaBuffer() ? 8 : 6,
- image.pixel(pickx,picky));
- message += moremsg;
- }
- if ( image.numColors() > 0 ) {
- if (image.valid(pickx,picky)) {
- message += tr(", %1/%2 colors")
- .arg(image.pixelIndex(pickx,picky))
- .arg(image.numColors());
- } else {
- message += tr(", %1 colors").arg(image.numColors());
- }
- } else if ( image.depth() >= 16 ) {
- message += tr(" True color");
- }
- if ( image.hasAlphaBuffer() ) {
- if ( image.depth() == 8 ) {
- int i;
- bool alpha[256];
- int nalpha=0;
-
- for (i=0; i<256; i++)
- alpha[i] = FALSE;
-
- for (i=0; i<image.numColors(); i++) {
- int alevel = image.color(i) >> 24;
- if (!alpha[alevel]) {
- alpha[alevel] = TRUE;
- nalpha++;
- }
- }
- message += tr(", %1 alpha levels").arg(nalpha);
- } else {
- // Too many pixels to bother counting.
- message += tr(", 8-bit alpha channel");
- }
- }
- imagePanel->statusLabel()->setText(message);
+ updateImage();
+}
+
+void ImageViewer::updateImageInfo(QString &filePath)
+{
+
+ for ( int i=0;i<LAST;i++ )
+ {
+ imageInfo[i]="";
+ }
+
+ imageInfo[FORMAT]=QImage::imageFormat (filePath );
+ QFileInfo fi(filePath);
+ imageInfo[PATH]=fi.fileName();
+ imageInfo[FILE_SIZE]=QString::number(fi.size())+" (bytes)";
+ QString message("%1x%2");
+ imageInfo[SIZE]=QString("%1x%2");
+ imageInfo[SIZE]=imageInfo[SIZE].arg(image.width()).arg(image.height());
+ if ( image.numColors() > 0 )
+ {
+ imageInfo[COLORS]=tr("%1 colors").arg(image.numColors());
+ }
+ else if ( image.depth() >= 16 )
+ {
+ imageInfo[COLORS]=tr(" True color");
+ }
+ if ( image.hasAlphaBuffer() )
+ {
+ if ( image.depth() == 8 )
+ {
+ int i;
+ bool alpha[256];
+ int nalpha=0;
+
+ for ( i=0; i<256; i++ )
+ alpha[i] = FALSE;
+
+ for ( i=0; i<image.numColors(); i++ )
+ {
+ int alevel = image.color(i) >> 24;
+ if ( !alpha[alevel] )
+ {
+ alpha[alevel] = TRUE;
+ nalpha++;
+ }
+ }
+ imageInfo[ALPHA]=tr("%1 alpha levels").arg(nalpha);
+ }
+ else
+ {
+ imageInfo[ALPHA]=tr("8-bit alpha channel");
+ }
}
+
}
void ImageViewer::closeEvent( QCloseEvent *e )
{
- if ( stack->visibleWidget() == imagePanel && !bFromDocView ) {
- e->ignore();
- open();
- } else {
- bFromDocView = FALSE;
- e->accept();
+ if ( stack->visibleWidget() == imagePanel && !bFromDocView )
+ {
+ e->ignore();
+ open();
+ }
+ else
+ {
+ bFromDocView = FALSE;
+ e->accept();
+ }
+}
+
+// Intensity,toGray and rotate code courtesy of KDE project.
+
+
+QImage& ImageViewer::intensity(QImage &image, float percent)
+{
+
+ int segColors = image.depth() > 8 ? 256 : image.numColors();
+ unsigned char *segTbl = new unsigned char[segColors];
+ int pixels = image.depth() > 8 ? image.width()*image.height() :
+ image.numColors();
+ unsigned int *data = image.depth() > 8 ? (unsigned int *)image.bits() :
+ (unsigned int *)image.colorTable();
+
+ bool brighten = (percent >= 0);
+ if ( percent < 0 )
+ percent = -percent;
+
+ if ( brighten )
+ { // keep overflow check out of loops
+ for ( int i=0; i < segColors; ++i )
+ {
+ int tmp = (int)(i*percent);
+ if ( tmp > 255 )
+ tmp = 255;
+ segTbl[i] = tmp;
+ }
+ }
+ else
+ {
+ for ( int i=0; i < segColors; ++i )
+ {
+ int tmp = (int)(i*percent);
+ if ( tmp < 0 )
+ tmp = 0;
+ segTbl[i] = tmp;
+ }
+ }
+
+ if ( brighten )
+ { // same here
+ for ( int i=0; i < pixels; ++i )
+ {
+ int r = qRed(data[i]);
+ int g = qGreen(data[i]);
+ int b = qBlue(data[i]);
+ int a = qAlpha(data[i]);
+ r = r + segTbl[r] > 255 ? 255 : r + segTbl[r];
+ g = g + segTbl[g] > 255 ? 255 : g + segTbl[g];
+ b = b + segTbl[b] > 255 ? 255 : b + segTbl[b];
+ data[i] = qRgba(r, g, b,a);
+ }
+ }
+ else
+ {
+ for ( int i=0; i < pixels; ++i )
+ {
+ int r = qRed(data[i]);
+ int g = qGreen(data[i]);
+ int b = qBlue(data[i]);
+ int a = qAlpha(data[i]);
+ r = r - segTbl[r] < 0 ? 0 : r - segTbl[r];
+ g = g - segTbl[g] < 0 ? 0 : g - segTbl[g];
+ b = b - segTbl[b] < 0 ? 0 : b - segTbl[b];
+ data[i] = qRgba(r, g, b, a);
+ }
+ }
+ delete [] segTbl;
+
+ return image;
+}
+
+QImage& ImageViewer::toGray(QImage &img, bool fast)
+{
+ if ( img.width() == 0 || img.height() == 0 )
+ return img;
+
+ if ( fast )
+ {
+ if ( img.depth() == 32 )
+ {
+ register uchar * r(img.bits());
+ register uchar * g(img.bits() + 1);
+ register uchar * b(img.bits() + 2);
+
+ uchar * end(img.bits() + img.numBytes());
+
+ while ( r != end )
+ {
+
+ *r = *g = *b = (((*r + *g) >> 1) + *b) >> 1; // (r + b + g) / 3
+
+ r += 4;
+ g += 4;
+ b += 4;
+ }
+ }
+ else
+ {
+ for ( int i = 0; i < img.numColors(); i++ )
+ {
+ register uint r = qRed(img.color(i));
+ register uint g = qGreen(img.color(i));
+ register uint b = qBlue(img.color(i));
+
+ register uint gray = (((r + g) >> 1) + b) >> 1;
+ img.setColor(i, qRgba(gray, gray, gray, qAlpha(img.color(i))));
+ }
+ }
+ }
+ else
+ {
+ int pixels = img.depth() > 8 ? img.width()*img.height() :
+ img.numColors();
+ unsigned int *data = img.depth() > 8 ? (unsigned int *)img.bits() :
+ (unsigned int *)img.colorTable();
+ int val, i;
+ for ( i=0; i < pixels; ++i )
+ {
+ val = qGray(data[i]);
+ data[i] = qRgba(val, val, val, qAlpha(data[i]));
+ }
+ }
+ return img;
+}
+
+
+QImage ImageViewer::rotate(QImage &img, RotateDirection r)
+{
+ QImage dest;
+ int x, y;
+ if ( img.depth() > 8 )
+ {
+ unsigned int *srcData, *destData;
+ switch ( r )
+ {
+ case Rotate90:
+ dest.create(img.height(), img.width(), img.depth());
+ for ( y=0; y < img.height(); ++y )
+ {
+ srcData = (unsigned int *)img.scanLine(y);
+ for ( x=0; x < img.width(); ++x )
+ {
+ destData = (unsigned int *)dest.scanLine(x);
+ destData[img.height()-y-1] = srcData[x];
+ }
+ }
+ break;
+ case Rotate180:
+ dest.create(img.width(), img.height(), img.depth());
+ for ( y=0; y < img.height(); ++y )
+ {
+ srcData = (unsigned int *)img.scanLine(y);
+ destData = (unsigned int *)dest.scanLine(img.height()-y-1);
+ for ( x=0; x < img.width(); ++x )
+ destData[img.width()-x-1] = srcData[x];
+ }
+ break;
+ case Rotate270:
+ dest.create(img.height(), img.width(), img.depth());
+ for ( y=0; y < img.height(); ++y )
+ {
+ srcData = (unsigned int *)img.scanLine(y);
+ for ( x=0; x < img.width(); ++x )
+ {
+ destData = (unsigned int *)dest.scanLine(img.width()-x-1);
+ destData[y] = srcData[x];
+ }
+ }
+ break;
+ default:
+ dest = img;
+ break;
+ }
+ }
+ else
+ {
+ unsigned char *srcData, *destData;
+ unsigned int *srcTable, *destTable;
+ switch ( r )
+ {
+ case Rotate90:
+ dest.create(img.height(), img.width(), img.depth());
+ dest.setNumColors(img.numColors());
+ srcTable = (unsigned int *)img.colorTable();
+ destTable = (unsigned int *)dest.colorTable();
+ for ( x=0; x < img.numColors(); ++x )
+ destTable[x] = srcTable[x];
+ for ( y=0; y < img.height(); ++y )
+ {
+ srcData = (unsigned char *)img.scanLine(y);
+ for ( x=0; x < img.width(); ++x )
+ {
+ destData = (unsigned char *)dest.scanLine(x);
+ destData[img.height()-y-1] = srcData[x];
+ }
+ }
+ break;
+ case Rotate180:
+ dest.create(img.width(), img.height(), img.depth());
+ dest.setNumColors(img.numColors());
+ srcTable = (unsigned int *)img.colorTable();
+ destTable = (unsigned int *)dest.colorTable();
+ for ( x=0; x < img.numColors(); ++x )
+ destTable[x] = srcTable[x];
+ for ( y=0; y < img.height(); ++y )
+ {
+ srcData = (unsigned char *)img.scanLine(y);
+ destData = (unsigned char *)dest.scanLine(img.height()-y-1);
+ for ( x=0; x < img.width(); ++x )
+ destData[img.width()-x-1] = srcData[x];
+ }
+ break;
+ case Rotate270:
+ dest.create(img.height(), img.width(), img.depth());
+ dest.setNumColors(img.numColors());
+ srcTable = (unsigned int *)img.colorTable();
+ destTable = (unsigned int *)dest.colorTable();
+ for ( x=0; x < img.numColors(); ++x )
+ destTable[x] = srcTable[x];
+ for ( y=0; y < img.height(); ++y )
+ {
+ srcData = (unsigned char *)img.scanLine(y);
+ for ( x=0; x < img.width(); ++x )
+ {
+ destData = (unsigned char *)dest.scanLine(img.width()-x-1);
+ destData[y] = srcData[x];
+ }
+ }
+ break;
+ default:
+ dest = img;
+ break;
+ }
+
}
+ return (dest);
+
+
}
+
+
+
+
+