Diffstat (limited to 'noncore/multimedia/showimg/showimg.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/multimedia/showimg/showimg.cpp | 1242 |
1 files changed, 0 insertions, 1242 deletions
diff --git a/noncore/multimedia/showimg/showimg.cpp b/noncore/multimedia/showimg/showimg.cpp deleted file mode 100644 index 24377ed..0000000 --- a/noncore/multimedia/showimg/showimg.cpp +++ b/dev/null @@ -1,1242 +0,0 @@ -/********************************************************************** -** Copyright (C) 2000 Trolltech AS. All rights reserved. -** -** This file is part of Qtopia Environment. -** -** This file may be distributed and/or modified under the terms of the -** GNU General Public License version 2 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. -** -** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE -** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. -** -** See http://www.trolltech.com/gpl/ for GPL licensing information. -** -** Contact info@trolltech.com if any conditions of this licensing are -** not clear to you. -** -**********************************************************************/ - -// -// Full-screen and rotation options contributed by Robert Wittams <robert@wittams.com> -// - -#include "showimg.h" -#include "ImageFileSelector.h" -#include "settingsdialog.h" - -/* OPIE */ -#include <opie2/odebug.h> -#include <opie2/ofiledialog.h> -#include <qpe/qpeapplication.h> -#include <qpe/config.h> -#include <qpe/resource.h> -using namespace Opie::Core; -using namespace Opie::Ui; - -/* QT */ -#include <qtoolbar.h> -#include <qaction.h> -#include <qfiledialog.h> -#include <qmenubar.h> -#include <qspinbox.h> - -/* STD */ -#include <math.h> - -ControlsDialog::ControlsDialog(const QString &caption,QImage image,int *brightness,QWidget *parent) - : QDialog(parent,0,true) -{ - setCaption(caption); - - if ( parent ) { - setPalette(parent->palette()); - } - - 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))); - -} - -void ControlsDialog::bValueChanged(int value) -{ - QImage nImage=img; - nImage.detach(); - ImageViewer::intensity(nImage, (float)value/100); - QPixmap pm; - pm.convertFromImage(nImage); - pixmap->setPixmap(pm); - pixmap->repaint(false); - - -} - -void ControlsDialog::accept() -{ - *b=spb->value(); - done(1); -} - -//=========================================================================== - -InfoDialog::InfoDialog(const QString &caption, const QStringList text,QWidget *parent) - : QDialog(parent,0,true) -{ - setCaption(caption); - - if ( parent ) - { - setPalette(parent->palette()); - } - - - - QString labels[]={ tr("File Name"),tr("Format"),tr("File Size"),tr("Size"),tr("Colors"),tr("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; -} - -//=========================================================================== - - -ImagePane::ImagePane( QWidget *parent ) : QWidget( parent ) -{ - 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 ); - -} - -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.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); - } -} - -void ImageWidget::mouseReleaseEvent(QMouseEvent *) -{ - emit clicked(); -} - -//=========================================================================== - -ImageViewer::ImageViewer( QWidget *parent, const char *name, int /*wFlags*/ ) -: QMainWindow( parent, name, WResizeNoErase ), 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 QToolBar( this ); - toolBar->setHorizontalStretchable( TRUE ); - - menuBar = new QMenuBar( 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 ); - slideAction = new QAction( tr( "Slide show" ), Resource::loadIconSet( "slideshow" ), - QString::null, 0, this, 0 ); - slideAction->setToggleAction( TRUE ); - connect( slideAction, SIGNAL( toggled(bool) ), this, SLOT( slideShow(bool) ) ); - slideAction->addTo( optionsMenuFile); -// slideAction->addTo( toolBar ); - - -// optionsMenuFile->insertItem( tr("Slideshow") ); - optionsMenuFile->insertSeparator(); - optionsMenuFile->insertItem( tr("Preferences.."), this, SLOT(settings()), 0); -// optionsMenuFile->insertItem( tr("Help"), this, SLOT(help()), 0); - - QStrList fmt = QImage::outputFormats(); - - - 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 ); - - //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())); - - - ImageFileSelector::CURRENT_VIEW cv; - if(showThumbView) - cv=ImageFileSelector::THUMBNAIL; - else - cv=ImageFileSelector::DETAILED; - - odebug << "cv = " << cv << "" << oendl; - - 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&) ) ); - - imageList = fileSelector->fileList(); - slideAction->setEnabled( imageList.count() != 0); - - iconToolBar = new QToolBar(this); - - QAction *a; - - a = new QAction( tr( "Open ..." ), Resource::loadPixmap( "fileopen" ), QString::null, 0, this, 0 ); - connect( a, SIGNAL( activated() ), this, SLOT( open() ) ); - a->addTo( fileMenuView); - a->addTo( iconToolBar ); - - - a = new QAction( tr( "Rotate 90"), Resource::loadPixmap( "rotate90" ), QString::null, 0, this, 0); - connect( a, SIGNAL( activated() ), this, SLOT( rot90() ) ); - 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( iconToolBar ); - a->addTo( viewMenuView); - - a = new QAction( tr( "Stop Slideshow" ), Resource::loadPixmap( "quit_icon" ), - QString::null, 0, this, 0 ); - connect( a, SIGNAL( activated() ), this, SLOT( stopSlideShow() ) ); - a->addTo( iconToolBar ); - a->addTo( viewMenuView); - - - Config config( "ImageViewer" ); - config.setGroup( "SlideShow" ); - slideDelay = config.readNumEntry( "Delay", 2); - slideRepeat = config.readBoolEntry( "Repeat", FALSE ); - slideReverse = config.readBoolEntry("Reverse", FALSE); - - config.setGroup("Default"); - rotateOnLoad = config.readBoolEntry("Rotate", FALSE); - fastLoad = config.readBoolEntry("FastLoad", TRUE); - slideTimer = new QTimer( this ); - connect( slideTimer, SIGNAL(timeout()), this, SLOT(slideUpdate()) ); - - switchToFileSelector(); - - setMouseTracking( TRUE ); - - -} - -ImageViewer::~ImageViewer() -{ - Config cfg("Image Viewer"); - cfg.setGroup("Image Viewer"); - - cfg.writeEntry("ShowThumbnails",(int)showThumbView); - cfg.writeEntry("SizeToScreen",(int)isSized); - - cfg.setGroup( "SlideShow" ); - cfg.writeEntry( "Delay", slideDelay); - cfg.writeEntry( "Repeat", slideRepeat ); - cfg.writeEntry("Reverse", slideReverse); - - cfg.setGroup("Default"); - cfg.writeEntry("Rotate", rotateOnLoad); - cfg.writeEntry("FastLoad", fastLoad); - - delete imagePanel; // in case it is fullscreen -} - -void ImageViewer::help() { - -} - - -void ImageViewer::settings() -{ - SettingsDialog dlg( this, 0, TRUE ); - dlg.setDelay( slideDelay ); - dlg.setRepeat( slideRepeat ); - dlg.setReverse( slideReverse ); - dlg.setRotate(rotateOnLoad); - dlg.setFastLoad(fastLoad); - - if ( QPEApplication::execDialog(&dlg) == QDialog::Accepted ) { - odebug << "<<<<<<<<<<<<<<<<<<<<>>>>>>>>>>>>>>>>>>>" << oendl; - slideDelay = dlg.delay(); - slideRepeat = dlg.repeat(); - slideReverse = dlg.reverse(); - rotateOnLoad = dlg.rotate(); - fastLoad = dlg.fastLoad(); - - Config config( "ImageViewer" ); - config.setGroup( "SlideShow" ); - config.writeEntry( "Delay", slideDelay ); - config.writeEntry( "Repeat", slideRepeat ); - config.writeEntry("Reverse", slideReverse); - - config.setGroup("Default"); - config.writeEntry("Rotate", rotateOnLoad); - config.writeEntry("FastLoad", fastLoad); - } -} - -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(); - slideShow(false); - -} - -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; - switchToImageView(); - QTimer::singleShot( 0, this, SLOT(doDelayedLoad()) ); -} - -void ImageViewer::doDelayedLoad() -{ - show(delayLoad); -} - -void ImageViewer::show() -{ - normalView(); - QMainWindow::show(); -} - -void ImageViewer::show(const QString& fileref) -{ -// odebug << "Show "+fileref << oendl; - bFromDocView = TRUE; - closeFileSelector(); - DocLnk link(fileref); - if ( link.isValid() ) { - openFile(link); - } else { - filename = fileref; - updateCaption( fileref ); - loadImage( fileref ); - } -} - -void ImageViewer::openFile() { - MimeTypes types; - QStringList image; - image << "image/*"; - types.insert("Images", image); - - QString str = OFileDialog::getOpenFileName( 1,QPEApplication::documentDir(),"", types, 0 ); - DocLnk link(str); -// if ( link.isValid() ) - openFile(link); - -} - -void ImageViewer::openFile( const DocLnk &link ) -{ - closeFileSelector(); -// DocLnk link(file); - odebug << "open "+link.name() << oendl; - updateCaption( link.name() ); - loadImage( link.file() ); - if (slideTimer->isActive()) { - slideTimer->start(slideDelay * 1000, FALSE); - } - -} - -void ImageViewer::open() -{ - switchToFileSelector(); -} - -void ImageViewer::closeFileSelector() -{ - switchToImageView(); -} - -void ImageViewer::updateCaption( QString name ) -{ - int sep = name.findRev( '/' ); - if ( sep >= 0 ) - name = name.mid( sep+1 ); - setCaption( name + tr(" - Image Viewer") ); -} - -/* - This function loads an image from a file. -*/ - -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); - if ( ok ) { - ok = reconvertImage(); - updateImageInfo(filename); - } - if ( !ok ) { - pm.resize(0,0); // couldn't load image - update(); - } - QApplication::restoreOverrideCursor(); // restore original cursor - } - -// fastLoad ? ", Fast" : "", -// fastLoad ? QMAX(imagewidth/maxsize, imageheight/maxsize) : 1); - - -// matrix.reset(); - rotated90 = FALSE; - - if (rotateOnLoad) { - rotated90 = TRUE; - rot90(); -// matrix.rotate( -90.0 ); - } - - switchToImageView(); - updateImage(); - -} - -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(); - 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(); - } - - return ok; -} - -bool ImageViewer::reconvertImage() -{ - bool success = FALSE; - - if ( image.isNull() ) return FALSE; - - QApplication::setOverrideCursor( waitCursor ); // this might take time - if ( pm.convertFromImage(image /*, conversion_flags */ ) ) - { - pmScaled = QPixmap(); - scale(); - success = TRUE; // load successful - } - 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 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 ( 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 */ ); - } - QApplication::restoreOverrideCursor(); // restore original cursor -} - -/* - 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 * ) -{ - - if ( pm.size() == QSize( 0, 0 ) ) // we couldn't load the image - return; - - int h = calcHeight(); - - if ( imagePanel->paneWidth() != pmScaled.width() || h != pmScaled.height() ) - { // if new size, - scale(); // scale pmScaled to window - } - if ( image.hasAlphaBuffer() ) - erase(); -} - - -void ImageViewer::hFlip() -{ -// matrix.scale( -1.0, 1.0 ); - - setImage(image.mirror(TRUE,FALSE)); -} - -void ImageViewer::vFlip() -{ -// matrix.scale( 1.0, -1.0 ); - setImage(image.mirror(FALSE,TRUE)); -} - -void ImageViewer::rot180() -{ -// matrix.rotate( 180.0 ); - setImage(image.mirror(TRUE,TRUE)); -} - -void ImageViewer::rot90() -{ - QImage oldimage; - oldimage = image.convertDepth(32); -// matrix.rotate( -90.0 ); - setImage(rotate(oldimage,Rotate90)); - -} -void ImageViewer::rot270() -{ - - QImage oldimage; - oldimage = image.convertDepth(32); -// matrix.rotate(90.0); - setImage(rotate(oldimage,Rotate270)); - -} - -void ImageViewer::blackAndWhite() -{ - - viewMenuView->setItemEnabled(BLACKANDWHITE,false); - setImage(toGray(image,false)); -} - -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() ) - { - - isFullScreen = FALSE; - stack->addWidget( imagePanel, 1 ); - switchToImageView(); - if ( isSized ) - scale(); - - updateImage(); - - } -} - -void ImageViewer::stopSlideShow() { - if (slideTimer->isActive()) - slideTimer->stop(); -} - -void ImageViewer::fullScreen() -{ - // 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()); - - if ( isSized ) - scale(); - updateImage(); - imagePanel->showFullScreen(); - } -} - -void ImageViewer::setImage(const QImage& newimage) -{ - image = newimage; - reconvertImage(); - 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(); - } -} - -// 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); -} - -void ImageViewer::slideShow( bool on ) -{ - if (on) { - if (!imageList.isEmpty()) { - slideTimer->start(slideDelay * 1000, FALSE); - filename = ""; // force restart - slideReverse ? prevImage() : nextImage(); - } - } else { - slideTimer->stop(); - slideAction->setOn( false); - } -} - -void ImageViewer::slideUpdate() -{ - bool final_image = slideReverse ? prevImage() : nextImage(); - - if (final_image && !slideRepeat) { - slideTimer->stop(); - slideAction->setOn(FALSE); - } -} - -// -// Display the image after the current one in the image list. -// Return TRUE if the next call to nextImage() will wrap around to the -// first image in the list (ie. we're now viewing the last image in the list). -// -bool ImageViewer::nextImage(void) -{ - int idx = 0; - - if (imageList.count() > 0) { - idx = imageIndex(); - if (idx != -1) { - if (idx == int(imageList.count() - 1)) { - idx = 0; - } else { - idx++; - } - } else { - idx = 0; - } - openFile(imageList[idx]); - } - - return idx == int(imageList.count() - 1) ? TRUE : FALSE; -} - -// -// Display the image preceeding the current one in the image list. -// Return TRUE if the next call to prevImage() will wrap around to the last -// image in the list (ie. we're now viewing the first image in the list). -// -bool ImageViewer::prevImage(void) -{ - int idx = -1; - - if (imageList.count() > 0) { - idx = imageIndex(); - if (idx != -1) { - if (idx == 0) { - idx = imageList.count() - 1; - } else { - idx--; - } - } else { - idx = imageList.count() - 1; - } - openFile(imageList[idx]); - } - - return idx == 0 ? TRUE : FALSE; -} - -// -// Return the index into the imageList of the currently viewed -// image (ie. ImageViewer::filename in ImageViewer::imageList). -// -int ImageViewer::imageIndex(void) -{ - QValueListConstIterator<DocLnk> i; - int index; - - if (imageList.count() == 0) { - return -1; - } - - for (index = 0, i = imageList.begin(); i != imageList.end(); ++i, index++) { - if ((*i).file() == filename) { - return index; - } - } - - return -1; -} |