| -rw-r--r-- | noncore/multimedia/showimg/showimg.cpp | 845 |
1 files changed, 666 insertions, 179 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 @@ -20,178 +20,407 @@ // // Full-screen and rotation options contributed by Robert Wittams <robert@wittams.com> // #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> #include <qpe/qpetoolbar.h> #include <qaction.h> #include <qfiledialog.h> #include <qmessagebox.h> #include <qpopupmenu.h> +#include <qscrollview.h> #include <qlabel.h> #include <qpainter.h> #include <qkeycode.h> #include <qapplication.h> #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); + + if ( parent ) + { + setPalette(parent->palette()); + } - image = new ImageWidget( this ); - connect(image, SIGNAL( clicked() ), this, SLOT( imageClicked() )); + b=brightness; + img=image; - vb->addWidget( 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 ImagePane::hideStatus() + } + +} + +void InfoDialog::displayInfo(const QString &caption, const QStringList text, QWidget *parent) +{ + InfoDialog *dlg=new InfoDialog(caption,text,parent); + dlg->exec(); + delete dlg; +} + + +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(); +} //=========================================================================== /* Draws the portion of the scaled pixmap that needs to be updated */ void ImageWidget::paintEvent( QPaintEvent *e ) { QPainter painter(this); 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? + if ( pixmap.size() != QSize( 0, 0 ) ) + { // is an image loaded? painter.drawPixmap((width() - pixmap.width()) / 2, (height() - pixmap.height()) / 2, pixmap); } } void ImageWidget::mouseReleaseEvent(QMouseEvent *) { emit clicked(); } - //=========================================================================== 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; setToolBarsMovable( FALSE ); toolBar = new QPEToolBar( this ); 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 ); stack->setSizePolicy( QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ) ); setCentralWidget( 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); - stack->raiseWidget( fileSelector ); + switchToFileSelector(); 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()) ); } void ImageViewer::doDelayedLoad() { show(delayLoad); @@ -205,15 +434,18 @@ void ImageViewer::show() void ImageViewer::show(const QString& fileref) { bFromDocView = TRUE; closeFileSelector(); DocLnk link(fileref); - if ( link.isValid() ) { + if ( link.isValid() ) + { openFile(link); - } else { + } + else + { filename = fileref; updateCaption( fileref ); loadImage( fileref ); } } @@ -224,18 +456,18 @@ void ImageViewer::openFile( const DocLnk &file ) updateCaption( link.name() ); loadImage( link.file() ); } void ImageViewer::open() { - stack->raiseWidget(fileSelector); + switchToFileSelector(); } void ImageViewer::closeFileSelector() { - stack->raiseWidget(imagePanel); + switchToImageView(); } void ImageViewer::updateCaption( QString name ) { int sep = name.findRev( '/' ); if ( sep >= 0 ) @@ -247,52 +479,61 @@ void ImageViewer::updateCaption( QString name ) This function loads an image from a file. */ void ImageViewer::loadImage( const char *fileName ) { filename = fileName; - if ( filename ) { + if ( filename ) + { QApplication::setOverrideCursor( waitCursor ); // this might take time - imagePanel->statusLabel()->setText( tr("Loading image...") ); + //imagePanel->statusLabel()->setText( tr("Loading image...") ); qApp->processEvents(); bool ok = image.load(filename, 0); - pickx = -1; - clickx = -1; if ( ok ) + { ok = reconvertImage(); - if ( !ok ) { + updateImageInfo(filename); + } + if ( !ok ) + { pm.resize(0,0); // couldn't load image update(); } QApplication::restoreOverrideCursor(); // restore original cursor } - updateStatus(); - imagePanel->setPixmap( pmScaled ); - stack->raiseWidget(imagePanel); + switchToImageView(); + updateImage(); + } bool ImageViewer::loadSelected() { bool ok = false; - if ( stack->visibleWidget() == fileSelector ) { + if ( stack->visibleWidget() == fileSelector ) + { const DocLnk *link = fileSelector->selected(); - if ( link ) { - if ( link->file() != filename ) { + 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 ) + { + updateImageInfo(filename); ok = reconvertImage(); + } if ( !ok ) pm.resize(0,0); } } } - if ( !image.isNull() ) { + if ( !image.isNull() ) + { ok = true; closeFileSelector(); } return ok; } @@ -306,45 +547,48 @@ bool ImageViewer::reconvertImage() QApplication::setOverrideCursor( waitCursor ); // this might take time if ( pm.convertFromImage(image /*, conversion_flags */ ) ) { pmScaled = QPixmap(); scale(); success = TRUE; // load successful - } else { + } + else + { pm.resize(0,0); // couldn't load image } QApplication::restoreOverrideCursor(); // restore original cursor return success; // TRUE if loaded OK } int ImageViewer::calcHeight() { if ( !isFullScreen) - return height() - menubar->heightForWidth( width() ) - - imagePanel->statusLabel()->height(); + return imagePanel->paneHeight(); else return qApp->desktop()->height(); } /* This functions scales the pixmap in the member variable "pm" to fit the widget size and puts the resulting pixmap in the member variable "pmScaled". */ - void ImageViewer::scale() { int h = calcHeight(); if ( image.isNull() ) return; QApplication::setOverrideCursor( waitCursor ); // this might take time - if ( width() == pm.width() && h == pm.height() ) { // no need to scale if widget + if ( imagePanel->paneWidth() == pm.width() && h == pm.height() ) + { // no need to scale if widget pmScaled = pm; // size equals pixmap size - } else { + } + else + { double hs = (double)h / (double)image.height(); - double ws = (double)width() / (double)image.width(); + 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 */ ); } @@ -355,203 +599,446 @@ void ImageViewer::scale() The resize event handler, if a valid pixmap was loaded it will call scale() to fit the pixmap to the new widget size. */ 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; int h = calcHeight(); - if ( width() != pmScaled.width() || h != pmScaled.height()) + if ( imagePanel->paneWidth() != pmScaled.width() || h != pmScaled.height() ) { // if new size, scale(); // scale pmScaled to window - updateStatus(); } if ( image.hasAlphaBuffer() ) 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 ) -{ - convertEvent(e, clickx, clicky); -} - -void ImageViewer::mouseMoveEvent( QMouseEvent *e ) -{ - convertEvent( e, pickx, picky ); -} void ImageViewer::hFlip() { - if ( loadSelected() ) setImage(image.mirror(TRUE,FALSE)); } void ImageViewer::vFlip() { - if ( loadSelected() ) setImage(image.mirror(FALSE,TRUE)); } void ImageViewer::rot180() { - if ( loadSelected() ) + setImage(image.mirror(TRUE,TRUE)); } void ImageViewer::rot90() { - if ( loadSelected() ) { - QImage oldimage, newimage; - uchar *oldbits, *newbits; - int i, j, p; - int w, h; + QImage oldimage; + oldimage = image.convertDepth(32); + setImage(rotate(oldimage,Rotate90)); + +} +void ImageViewer::rot270() +{ + QImage oldimage; oldimage = image.convertDepth(32); - w = oldimage.height(); - h = oldimage.width(); - newimage = QImage( w, h, 32); + setImage(rotate(oldimage,Rotate270)); - oldbits = oldimage.bits(); - newbits = newimage.bits(); +} + +void ImageViewer::blackAndWhite() +{ + + viewMenuView->setItemEnabled(BLACKANDWHITE,false); + setImage(toGray(image,false)); - 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]; - setImage(newimage); } + +void ImageViewer::displayControlsDialog() +{ + int w=80; + int h=w; + QImage small; + + if ( image.width()<w ||image.height()<h ) + small=image.smoothScale(w,h); + else + small=image.copy(0,0,w,h); + + 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() ) { + if ( !imagePanel->parentWidget() ) + { + isFullScreen = FALSE; stack->addWidget( imagePanel, 1 ); -// imagePanel->reparent(stack,0,QPoint(0,0),FALSE); -// imagePanel->resize(width(), calcHeight()); + switchToImageView(); + if ( isSized ) scale(); - updateStatus(); - imagePanel->setPixmap( pmScaled ); - imagePanel->showStatus(); - // imagePanel->show(); - stack->raiseWidget( imagePanel ); + + updateImage(); + } } void ImageViewer::fullScreen() { - // Full-screen and rotation options + // Full-screen option // contributed by Robert Wittams <robert@wittams.com> - - if ( imagePanel->parentWidget() && loadSelected() ) { + if ( imagePanel->parentWidget() && loadSelected() ) + { isFullScreen = TRUE; imagePanel->reparent(0,QPoint(0,0)); imagePanel->resize(qApp->desktop()->width(), qApp->desktop()->height()); + if ( isSized ) scale(); - updateStatus(); - imagePanel->hideStatus(); - imagePanel->setPixmap( pmScaled ); + updateImage(); imagePanel->showFullScreen(); } } void ImageViewer::setImage(const QImage& newimage) { image = newimage; - pickx = -1; - clickx = -1; reconvertImage(); - imagePanel->setPixmap( pmScaled ); - updateStatus(); + updateImage(); } -void ImageViewer::updateStatus() +void ImageViewer::updateImageInfo(QString &filePath) { - 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 { + + 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"); - 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 ) { + 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++) { + for ( i=0; i<image.numColors(); i++ ) + { int alevel = image.color(i) >> 24; - if (!alpha[alevel]) { + 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"); + imageInfo[ALPHA]=tr("%1 alpha levels").arg(nalpha); } + else + { + imageInfo[ALPHA]=tr("8-bit alpha channel"); } - imagePanel->statusLabel()->setText(message); } + } void ImageViewer::closeEvent( QCloseEvent *e ) { - if ( stack->visibleWidget() == imagePanel && !bFromDocView ) { + if ( stack->visibleWidget() == imagePanel && !bFromDocView ) + { e->ignore(); open(); - } else { + } + 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); + + +} + + + + + |