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Diffstat (limited to 'tqtinterface/qt4/src/kernel/tqmovie.cpp')
| -rw-r--r-- | tqtinterface/qt4/src/kernel/tqmovie.cpp | 1082 |
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diff --git a/tqtinterface/qt4/src/kernel/tqmovie.cpp b/tqtinterface/qt4/src/kernel/tqmovie.cpp deleted file mode 100644 index 68d3a5c..0000000 --- a/tqtinterface/qt4/src/kernel/tqmovie.cpp +++ /dev/null @@ -1,1082 +0,0 @@ -/**************************************************************************** -** -** Implementation of movie classes -** -** Created : 970617 -** -** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA. -** -** This file is part of the kernel module of the TQt GUI Toolkit. -** -** This file may be used under the terms of the GNU General -** Public License versions 2.0 or 3.0 as published by the Free -** Software Foundation and appearing in the files LICENSE.GPL2 -** and LICENSE.GPL3 included in the packaging of this file. -** Alternatively you may (at your option) use any later version -** of the GNU General Public License if such license has been -** publicly approved by Trolltech ASA (or its successors, if any) -** and the KDE Free TQt Foundation. -** -** Please review the following information to ensure GNU General -** Public Licensing requirements will be met: -** http://trolltech.com/products/qt/licenses/licensing/opensource/. -** If you are unsure which license is appropriate for your use, please -** review the following information: -** http://trolltech.com/products/qt/licenses/licensing/licensingoverview -** or contact the sales department at sales@trolltech.com. -** -** This file may be used under the terms of the Q Public License as -** defined by Trolltech ASA and appearing in the file LICENSE.TQPL -** included in the packaging of this file. Licensees holding valid TQt -** Commercial licenses may use this file in accordance with the TQt -** Commercial License Agreement provided with the Software. -** -** This file is provided "AS IS" with NO WARRANTY OF ANY KIND, -** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR -** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted -** herein. -** -**********************************************************************/ - -// #define TQT_SAVE_MOVIE_HACK - -#include "tqtimer.h" -#include "tqpainter.h" -#include "tqptrlist.h" -#include "tqbitmap.h" -#include "tqmovie.h" -#include "tqfile.h" -#include "tqbuffer.h" -#include "tqobject.h" -#include "tqpixmapcache.h" - -#ifndef TQT_NO_MOVIE - -#ifdef TQ_WS_TQWS -#include "tqgfx_qws.h" -#endif - -#include "tqasyncio.h" -#include "tqasyncimageio.h" - -#include <stdlib.h> - -/*! - \class TQMovie tqmovie.h - \brief The TQMovie class provides incremental loading of animations or images, signalling as it progresses. - - \ingroup images - \ingroup graphics - \ingroup multimedia - \mainclass - - The simplest way to display a TQMovie is to use a TQLabel and - TQLabel::setMovie(). - - A TQMovie provides a TQPixmap as the framePixmap(); connections can - be made via connectResize() and connectUpdate() to receive - notification of size and pixmap changes. All decoding is driven - by the normal event-processing mechanisms. - - The movie begins playing as soon as the TQMovie is created - (actually, once control returns to the event loop). When the last - frame in the movie has been played, it may loop back to the start - if such looping is defined in the input source. - - TQMovie objects are explicitly shared. This means that a TQMovie - copied from another TQMovie will be displaying the same frame at - all times. If one shared movie pauses, all pause. To make \e - independent movies, they must be constructed separately. - - The set of data formats supported by TQMovie is determined by the - decoder factories that have been installed; the format of the - input is determined as the input is decoded. - - The supported formats are MNG (if TQt is configured with MNG - support enabled) and GIF (if TQt is configured with GIF support - enabled, see tqgif.h). - - If TQt is configured to support GIF reading, we are required to - state that "The Graphics Interchange Format(c) is the Copyright - property of CompuServe Incorporated. GIF(sm) is a Service Mark - property of CompuServe Incorporated. - - \warning If you are in a country that recognizes software patents - and in which Unisys holds a patent on LZW compression and/or - decompression and you want to use GIF, Unisys may require you to - license that technology. Such countries include Canada, Japan, - the USA, France, Germany, Italy and the UK. - - GIF support may be removed completely in a future version of TQt. - We recommend using the MNG or PNG format. - - \img qmovie.png TQMovie - - \sa TQLabel::setMovie() -*/ - -/*! - \enum TQMovie::tqStatus - - \value SourceEmpty - \value UnrecognizedFormat - \value Paused - \value EndOfFrame - \value EndOfLoop - \value EndOfMovie - \value SpeedChanged -*/ - -class TQMoviePrivate : public TQObject, public TQShared, - private TQDataSink, private TQImageConsumer -{ - Q_OBJECT - TQ_OBJECT - -public: // for TQMovie - - // Creates a null Private - TQMoviePrivate(); - - // NOTE: The ownership of the TQDataSource is transferred to the Private - TQMoviePrivate(TQDataSource* src, TQMovie* movie, int bufsize); - - virtual ~TQMoviePrivate(); - - bool isNull() const; - - // Initialize, possibly to the null state - void init(bool fully); - void flushBuffer(); - void updatePixmapFromImage(); - void updatePixmapFromImage(const TQPoint& off, const TQRect& area); - void showChanges(); - - // This as TQImageConsumer - void changed(const TQRect& rect); - void end(); - void preFrameDone(); //util func - void frameDone(); - void frameDone(const TQPoint&, const TQRect& rect); - void restartTimer(); - void setLooping(int l); - void setFramePeriod(int milliseconds); - void setSize(int w, int h); - - // This as TQDataSink - int readyToReceive(); - void receive(const uchar* b, int bytecount); - void eof(); - void pause(); - -Q_SIGNALS: - void sizeChanged(const TQSize&); - void areaChanged(const TQRect&); - void datatqStatus(int); - -public Q_SLOTS: - void refresh(); - -public: - TQMovie *that; - TQWidget * display_widget; - - TQImageDecoder *decoder; - - // Cyclic buffer - int buf_size; - uchar *buffer; - int buf_r, buf_w, buf_usage; - - int framenumber; - int frameperiod; - int speed; - TQTimer *frametimer; - int lasttimerinterval; - int loop; - bool movie_ended; - bool dirty_cache; - bool waitingForFrameTick; - int stepping; - TQRect changed_area; - TQRect valid_area; - TQDataPump *pump; - TQDataSource *source; - TQPixmap mypixmap; - TQBitmap mymask; - TQColor bg; - - int error; - bool empty; - -#ifdef TQT_SAVE_MOVIE_HACK - bool save_image; - int image_number; -#endif -}; - - -TQMoviePrivate::TQMoviePrivate() -{ - dirty_cache = FALSE; - buffer = 0; - pump = 0; - source = 0; - decoder = 0; - display_widget=0; - buf_size = 0; - init(FALSE); -} - -// NOTE: The ownership of the TQDataSource is transferred to the Private -TQMoviePrivate::TQMoviePrivate(TQDataSource* src, TQMovie* movie, int bufsize) : - that(movie), - buf_size(bufsize) -{ - frametimer = new TQTimer(this); - pump = src ? new TQDataPump(src, this) : 0; - TQObject::connect(frametimer, TQT_SIGNAL(timeout()), this, TQT_SLOT(refresh())); - dirty_cache = FALSE; - source = src; - buffer = 0; - decoder = 0; - speed = 100; - display_widget=0; - init(TRUE); -} - -TQMoviePrivate::~TQMoviePrivate() -{ - if ( buffer ) // Avoid purify complaint - delete [] buffer; - delete pump; - delete decoder; - delete source; - - // Too bad.. but better be safe than sorry - if ( dirty_cache ) - TQPixmapCache::clear(); -} - -bool TQMoviePrivate::isNull() const -{ - return !buf_size; -} - -// Initialize. Only actually allocate any space if \a fully is TRUE, -// otherwise, just enough to be a valid null Private. -void TQMoviePrivate::init(bool fully) -{ -#ifdef TQT_SAVE_MOVIE_HACK - save_image = TRUE; - image_number = 0; -#endif - - buf_usage = buf_r = buf_w = 0; - if ( buffer ) // Avoid purify complaint - delete [] buffer; - buffer = fully ? new uchar[buf_size] : 0; - if ( buffer ) - memset( buffer, 0, buf_size ); - - delete decoder; - decoder = fully ? new TQImageDecoder(this) : 0; - -#ifdef AVOID_OPEN_FDS - if ( source && !source->isOpen() ) - source->open(IO_ReadOnly); -#endif - - waitingForFrameTick = FALSE; - stepping = -1; - framenumber = 0; - frameperiod = -1; - if (fully) frametimer->stop(); - lasttimerinterval = -1; - changed_area.setRect(0,0,-1,-1); - valid_area = changed_area; - loop = -1; - movie_ended = FALSE; - error = 0; - empty = TRUE; -} - -void TQMoviePrivate::flushBuffer() -{ - int used; - while (buf_usage && !waitingForFrameTick && stepping != 0 && !error) { - used = decoder->decode(buffer + buf_r, TQMIN(buf_usage, buf_size - buf_r)); - if (used <= 0) { - if ( used < 0 ) { - error = 1; - emit datatqStatus(TQMovie::UnrecognizedFormat); - } - break; - } - buf_r = (buf_r + used) % buf_size; - buf_usage -= used; - } - - // Some formats, like MNG, can make stuff happen without any extra data. - // Only do this if the movie hasn't ended, however or we'll never get the end of loop signal. - if (!movie_ended) { - used = decoder->decode(buffer + buf_r, 0); - if (used <= 0) { - if ( used < 0 ) { - error = 1; - emit datatqStatus(TQMovie::UnrecognizedFormat); - } - } - } - - if (error) - frametimer->stop(); - maybeReady(); -} - -void TQMoviePrivate::updatePixmapFromImage() -{ - if (changed_area.isEmpty()) return; - updatePixmapFromImage(TQPoint(0,0),changed_area); -} - -void TQMoviePrivate::updatePixmapFromImage(const TQPoint& off, - const TQRect& area) -{ - // Create temporary TQImage to hold the part we want - const TQImage& gimg = decoder->image(); - TQImage img = gimg.copy(area); - -#ifdef TQT_SAVE_MOVIE_HACK - if ( save_image ) { - TQString name; - name.sprintf("movie%i.ppm",image_number++); - gimg.save( name, "PPM" ); - } -#endif - - // Resize to size of image - if (mypixmap.width() != gimg.width() || mypixmap.height() != gimg.height()) - mypixmap.resize(gimg.width(), gimg.height()); - - // Convert to pixmap and paste that onto myself - TQPixmap lines; - -#ifndef TQT_NO_SPRINTF - if (!(frameperiod < 0 && loop == -1)) { - // its an animation, lets see if we converted - // this frame already. - TQString key; - key.sprintf( "%08lx:%04d", ( long )this, framenumber ); - if ( !TQPixmapCache::find( key, lines ) ) { - lines.convertFromImage(img, TQt::ColorOnly); - TQPixmapCache::insert( key, lines ); - dirty_cache = TRUE; - } - } else -#endif - { - lines.convertFromImage(img, TQt::ColorOnly); - } - - if (bg.isValid()) { - TQPainter p; - p.begin(&mypixmap); - p.fillRect(area, bg); - p.drawPixmap(area, lines); - p.end(); - } else { - if (gimg.hasAlphaBuffer()) { - // Resize to size of image - if (mymask.isNull()) { - mymask.resize(gimg.width(), gimg.height()); - mymask.fill( TQt::color1 ); - } - } - mypixmap.setMask(TQBitmap()); // Remove reference to my mask - copyBlt( &mypixmap, area.left(), area.top(), - &lines, off.x(), off.y(), area.width(), area.height() ); - } - -#ifdef TQ_WS_TQWS - if(display_widget) { - TQGfx * mygfx=display_widget->graphicsContext(); - if(mygfx) { - double xscale,yscale; - xscale=display_widget->width(); - yscale=display_widget->height(); - xscale=xscale/((double)mypixmap.width()); - yscale=yscale/((double)mypixmap.height()); - double xh,yh; - xh=xscale*((double)area.left()); - yh=yscale*((double)area.top()); - mygfx->setSource(&mypixmap); - mygfx->setAlphaType(TQGfx::IgnoreAlpha); - mygfx->stretchBlt(0,0,display_widget->width(), - display_widget->height(),mypixmap.width(), - mypixmap.height()); - delete mygfx; - } - } -#endif -} - -void TQMoviePrivate::showChanges() -{ - if (changed_area.isValid()) { - updatePixmapFromImage(); - - valid_area = valid_area.unite(changed_area); - emit areaChanged(changed_area); - - changed_area.setWidth(-1); // make empty - } -} - -// Private as TQImageConsumer -void TQMoviePrivate::changed(const TQRect& rect) -{ - if (!frametimer->isActive()) - frametimer->start(0); - changed_area = changed_area.unite(rect); -} - -void TQMoviePrivate::end() -{ - movie_ended = TRUE; -} - -void TQMoviePrivate::preFrameDone() -{ - if (stepping > 0) { - stepping--; - if (!stepping) { - frametimer->stop(); - emit datatqStatus( TQMovie::Paused ); - } - } else { - waitingForFrameTick = TRUE; - restartTimer(); - } -} -void TQMoviePrivate::frameDone() -{ - preFrameDone(); - showChanges(); - emit datatqStatus(TQMovie::EndOfFrame); - framenumber++; -} -void TQMoviePrivate::frameDone(const TQPoint& p, - const TQRect& rect) -{ - preFrameDone(); - const TQImage& gimg = decoder->image(); - TQPoint point = p - gimg.offset(); - if (framenumber==0) - emit sizeChanged(gimg.size()); - valid_area = valid_area.unite(TQRect(point,rect.size())); - updatePixmapFromImage(point,rect); - emit areaChanged(TQRect(point,rect.size())); - emit datatqStatus(TQMovie::EndOfFrame); - framenumber++; -} - -void TQMoviePrivate::restartTimer() -{ - if (speed > 0) { - int i = frameperiod >= 0 ? frameperiod * 100/speed : 0; - if ( i != lasttimerinterval || !frametimer->isActive() ) { - lasttimerinterval = i; - frametimer->start( i ); - } - } else { - frametimer->stop(); - } -} - -void TQMoviePrivate::setLooping(int nloops) -{ - if (loop == -1) { // Only if we don't already know how many loops! - if (source && source->rewindable()) { - source->enableRewind(TRUE); - loop = nloops; - } else { - // Cannot loop from this source - loop = -2; - } - } -} - -void TQMoviePrivate::setFramePeriod(int milliseconds) -{ - // Animation: only show complete frame - frameperiod = milliseconds; - if (stepping<0 && frameperiod >= 0) restartTimer(); -} - -void TQMoviePrivate::setSize(int w, int h) -{ - if (mypixmap.width() != w || mypixmap.height() != h) { - mypixmap.resize(w, h); - emit sizeChanged(TQSize(w, h)); - } -} - - -// Private as TQDataSink - -int TQMoviePrivate::readyToReceive() -{ - // Could pre-fill buffer, but more efficient to just leave the - // data back at the source. - return (waitingForFrameTick || !stepping || buf_usage || error) - ? 0 : buf_size; -} - -void TQMoviePrivate::receive(const uchar* b, int bytecount) -{ - if ( bytecount ) empty = FALSE; - - while (bytecount && !waitingForFrameTick && stepping != 0) { - int used = decoder->decode(b, bytecount); - if (used<=0) { - if ( used < 0 ) { - error = 1; - emit datatqStatus(TQMovie::UnrecognizedFormat); - } - break; - } - b+=used; - bytecount-=used; - } - - // Append unused to buffer - while (bytecount--) { - buffer[buf_w] = *b++; - buf_w = (buf_w+1)%buf_size; - buf_usage++; - } -} - -void TQMoviePrivate::eof() -{ - if ( !movie_ended ) - return; - - if ( empty ) - emit datatqStatus(TQMovie::SourceEmpty); - -#ifdef TQT_SAVE_MOVIE_HACK - save_image = FALSE; -#endif - - emit datatqStatus(TQMovie::EndOfLoop); - - if (loop >= 0) { - if (loop) { - loop--; - if (!loop) return; - } - delete decoder; - decoder = new TQImageDecoder(this); - source->rewind(); - framenumber = 0; - movie_ended = FALSE; - } else { - delete decoder; - decoder = 0; - if ( buffer ) // Avoid purify complaint - delete [] buffer; - buffer = 0; - emit datatqStatus(TQMovie::EndOfMovie); -#ifdef AVOID_OPEN_FDS - if ( source ) - source->close(); -#endif - } -} - -void TQMoviePrivate::pause() -{ - if ( stepping ) { - stepping = 0; - frametimer->stop(); - emit datatqStatus( TQMovie::Paused ); - } -} - -void TQMoviePrivate::refresh() -{ - if (!decoder) { - frametimer->stop(); - return; - } - - if (frameperiod < 0 && loop == -1) { - // Only show changes if probably not an animation - showChanges(); - } - - if (!buf_usage) { - frametimer->stop(); - } - - waitingForFrameTick = FALSE; - flushBuffer(); -} - -///////////////// End of Private ///////////////// - - - - - -/*! - Constructs a null TQMovie. The only interesting thing to do with - such a movie is to assign another movie to it. - - \sa isNull() -*/ -TQMovie::TQMovie() -{ - d = new TQMoviePrivate(); -} - -/*! - Constructs a TQMovie with an external data source. You should later - call pushData() to send incoming animation data to the movie. - - The \a bufsize argument sets the maximum amount of data the movie - will transfer from the data source per event loop. The lower this - value, the better interleaved the movie playback will be with - other event processing, but the slower the overall processing will - be. - - \sa pushData() -*/ -TQMovie::TQMovie(int bufsize) -{ - d = new TQMoviePrivate(0, this, bufsize); -} - -/*! - Returns the maximum amount of data that can currently be pushed - into the movie by a call to pushData(). This is affected by the - initial buffer size, but varies as the movie plays and data is - consumed. -*/ -int TQMovie::pushSpace() const -{ - return d->readyToReceive(); -} - -/*! - Pushes \a length bytes from \a data into the movie. \a length must - be no more than the amount returned by pushSpace() since the - previous call to pushData(). -*/ -void TQMovie::pushData(const uchar* data, int length) -{ - d->receive(data,length); -} - -#ifdef TQ_WS_TQWS // ##### Temporary performance experiment -/*! - \internal -*/ -void TQMovie::setDisplayWidget(TQWidget * w) -{ - d->display_widget=w; -} -#endif - -/*! - Constructs a TQMovie that reads an image sequence from the given - data source, \a src. The source must be allocated dynamically, - because TQMovie will take ownership of it and will destroy it when - the movie is destroyed. The movie starts playing as soon as event - processing continues. - - The \a bufsize argument sets the maximum amount of data the movie - will transfer from the data source per event loop. The lower this - value, the better interleaved the movie playback will be with - other event processing, but the slower the overall processing will - be. -*/ -TQMovie::TQMovie(TQDataSource* src, int bufsize) -{ - d = new TQMoviePrivate(src, this, bufsize); -} - -/*! - Constructs a TQMovie that reads an image sequence from the file, \a - fileName. - - The \a bufsize argument sets the maximum amount of data the movie - will transfer from the data source per event loop. The lower this - value, the better interleaved the movie playback will be with - other event processing, but the slower the overall processing will - be. -*/ -TQMovie::TQMovie(const TQString &fileName, int bufsize) -{ - TQFile* file = new TQFile(fileName); - if ( !fileName.isEmpty() ) - file->open(IO_ReadOnly); - d = new TQMoviePrivate(new TQIODeviceSource(TQT_TQIODEVICE(file), bufsize), this, bufsize); -} - -/*! - Constructs a TQMovie that reads an image sequence from the byte - array, \a data. - - The \a bufsize argument sets the maximum amount of data the movie - will transfer from the data source per event loop. The lower this - value, the better interleaved the movie playback will be with - other event processing, but the slower the overall processing will - be. -*/ -TQMovie::TQMovie(TQByteArray data, int bufsize) -{ - TQBuffer* buffer = new TQBuffer(data); - buffer->open(IO_ReadOnly); - d = new TQMoviePrivate(new TQIODeviceSource(TQT_TQIODEVICE(buffer), bufsize), this, bufsize); -} - -/*! - Constructs a movie that uses the same data as movie \a movie. - TQMovies use explicit sharing, so operations on the copy will - affect both. -*/ -TQMovie::TQMovie(const TQMovie& movie) -{ - d = movie.d; - d->ref(); -} - -/*! - Destroys the TQMovie. If this is the last reference to the data of - the movie, the data is deallocated. -*/ -TQMovie::~TQMovie() -{ - if (d->deref()) delete d; -} - -/*! - Returns TRUE if the movie is null; otherwise returns FALSE. -*/ -bool TQMovie::isNull() const -{ - return d->isNull(); -} - -/*! - Makes this movie use the same data as movie \a movie. TQMovies use - explicit sharing. -*/ -TQMovie& TQMovie::operator=(const TQMovie& movie) -{ - movie.d->ref(); - if (d->deref()) delete d; - d = movie.d; - return *this; -} - - -/*! - Sets the background color of the pixmap to \a c. If the background - color isValid(), the pixmap will never have a mask because the - background color will be used in transparent regions of the image. - - \sa backgroundColor() -*/ -void TQMovie::setBackgroundColor(const TQColor& c) -{ - d->bg = c; -} - -/*! - Returns the background color of the movie set by - setBackgroundColor(). -*/ -const TQColor& TQMovie::backgroundColor() const -{ - return d->bg; -} - -/*! - Returns the area of the pixmap for which pixels have been - generated. -*/ -const TQRect& TQMovie::getValidRect() const -{ - return d->valid_area; -} - -/*! - Returns the current frame of the movie, as a TQPixmap. It is not - generally useful to keep a copy of this pixmap. It is better to - keep a copy of the TQMovie and get the framePixmap() only when - needed for drawing. - - \sa frameImage() -*/ -const TQPixmap& TQMovie::framePixmap() const -{ - return d->mypixmap; -} - -/*! - Returns the current frame of the movie, as a TQImage. It is not - generally useful to keep a copy of this image. Also note that you - must not call this function if the movie is finished(), since by - then the image will not be available. - - \sa framePixmap() -*/ -const TQImage& TQMovie::frameImage() const -{ - return d->decoder->image(); -} - -/*! - Returns the number of steps remaining after a call to step(). If - the movie is paused, steps() returns 0. If it's running normally - or is finished, steps() returns a negative number. -*/ -int TQMovie::steps() const -{ - return d->stepping; -} - -/*! - Returns the number of times EndOfFrame has been emitted since the - start of the current loop of the movie. Thus, before any - EndOfFrame has been emitted the value will be 0; within Q_SLOTS - processing the first signal, frameNumber() will be 1, and so on. -*/ -int TQMovie::frameNumber() const { return d->framenumber; } - -/*! - Returns TRUE if the image is paused; otherwise returns FALSE. -*/ -bool TQMovie::paused() const -{ - return d->stepping == 0; -} - -/*! - Returns TRUE if the image is no longer playing: this happens when - all loops of all frames are complete; otherwise returns FALSE. -*/ -bool TQMovie::finished() const -{ - return !d->decoder; -} - -/*! - Returns TRUE if the image is not single-stepping, not paused, and - not finished; otherwise returns FALSE. -*/ -bool TQMovie::running() const -{ - return d->stepping<0 && d->decoder; -} - -/*! - Pauses the progress of the animation. - - \sa unpause() -*/ -void TQMovie::pause() -{ - d->pause(); -} - -/*! - Unpauses the progress of the animation. - - \sa pause() -*/ -void TQMovie::unpause() -{ - if ( d->stepping >= 0 ) { - if (d->isNull()) - return; - d->stepping = -1; - d->restartTimer(); - } -} - -/*! - \overload - - Steps forward, showing \a steps frames, and then pauses. -*/ -void TQMovie::step(int steps) -{ - if (d->isNull()) - return; - d->stepping = steps; - d->frametimer->start(0); - d->waitingForFrameTick = FALSE; // Full speed ahead! -} - -/*! - Steps forward 1 frame and then pauses. -*/ -void TQMovie::step() -{ - step(1); -} - -/*! - Rewinds the movie to the beginning. If the movie has not been - paused, it begins playing again. -*/ -void TQMovie::restart() -{ - if (d->isNull()) - return; - if (d->source->rewindable()) { - d->source->enableRewind(TRUE); - d->source->rewind(); - int s = d->stepping; - d->init(TRUE); - if ( s>0 ) - step(s); - else if ( s==0 ) - pause(); - } -} - -/*! - Returns the movie's play speed as a percentage. The default is 100 - percent. - - \sa setSpeed() -*/ -int TQMovie::speed() const -{ - return d->speed; -} - -/*! - Sets the movie's play speed as a percentage, to \a percent. This - is a percentage of the speed dictated by the input data format. - The default is 100 percent. -*/ -void TQMovie::setSpeed(int percent) -{ - int oldspeed = d->speed; - if ( oldspeed != percent && percent >= 0 ) { - d->speed = percent; - // Restart timer only if really needed - if (d->stepping < 0) { - if ( !percent || !oldspeed // To or from zero - || oldspeed*4 / percent > 4 // More than 20% slower - || percent*4 / oldspeed > 4 // More than 20% faster - ) - d->restartTimer(); - } - } -} - -/*! - Connects the \a{receiver}'s \a member of type \c{void member(const - TQSize&)} so that it is signalled when the movie changes size. - - Note that due to the explicit sharing of TQMovie objects, these - connections persist until they are explicitly disconnected with - disconnectResize() or until \e every shared copy of the movie is - deleted. -*/ -void TQMovie::connectResize(TQT_BASE_OBJECT_NAME* receiver, const char *member) -{ - TQObject::connect(d, TQT_SIGNAL(sizeChanged(const TQSize&)), TQT_TQOBJECT(receiver), member); -} - -/*! - Disconnects the \a{receiver}'s \a member (or all members if \a - member is zero) that were previously connected by connectResize(). -*/ -void TQMovie::disconnectResize(TQT_BASE_OBJECT_NAME* receiver, const char *member) -{ - TQObject::disconnect(d, TQT_SIGNAL(sizeChanged(const TQSize&)), TQT_TQOBJECT(receiver), member); -} - -/*! - Connects the \a{receiver}'s \a member of type \c{void member(const - TQRect&)} so that it is signalled when an area of the framePixmap() - has changed since the previous frame. - - Note that due to the explicit sharing of TQMovie objects, these - connections persist until they are explicitly disconnected with - disconnectUpdate() or until \e every shared copy of the movie is - deleted. -*/ -void TQMovie::connectUpdate(TQT_BASE_OBJECT_NAME* receiver, const char *member) -{ - TQObject::connect(d, TQT_SIGNAL(areaChanged(const TQRect&)), TQT_TQOBJECT(receiver), member); -} - -/*! - Disconnects the \a{receiver}'s \a member (or all members if \q - member is zero) that were previously connected by connectUpdate(). -*/ -void TQMovie::disconnectUpdate(TQT_BASE_OBJECT_NAME* receiver, const char *member) -{ - TQObject::disconnect(d, TQT_SIGNAL(areaChanged(const TQRect&)), TQT_TQOBJECT(receiver), member); -} - -/*! - Connects the \a{receiver}'s \a member, of type \c{void - member(int)} so that it is signalled when the movie changes - status. The status codes are negative for errors and positive for - information. - - \table - \header \i tqStatus Code \i Meaning - \row \i TQMovie::SourceEmpty - \i signalled if the input cannot be read. - \row \i TQMovie::UnrecognizedFormat - \i signalled if the input data is unrecognized. - \row \i TQMovie::Paused - \i signalled when the movie is paused by a call to paused() - or by after \link step() stepping \endlink pauses. - \row \i TQMovie::EndOfFrame - \i signalled at end-of-frame after any update and Paused Q_SIGNALS. - \row \i TQMovie::EndOfLoop - \i signalled at end-of-loop, after any update Q_SIGNALS, - EndOfFrame - but before EndOfMovie. - \row \i TQMovie::EndOfMovie - \i signalled when the movie completes and is not about to loop. - \endtable - - More status messages may be added in the future, so a general test - for errors would test for negative. - - Note that due to the explicit sharing of TQMovie objects, these - connections persist until they are explicitly disconnected with - disconnectqStatus() or until \e every shared copy of the movie is - deleted. -*/ -void TQMovie::connectqStatus(TQObject* receiver, const char *member) -{ - TQObject::connect(d, TQT_SIGNAL(datatqStatus(int)), receiver, member); -} - -/*! - Disconnects the \a{receiver}'s \a member (or all members if \a - member is zero) that were previously connected by connectqStatus(). -*/ -void TQMovie::disconnectqStatus(TQObject* receiver, const char *member) -{ - TQObject::disconnect(d, TQT_SIGNAL(datatqStatus(int)), receiver, member); -} - - -#include "tqmovie.tqmoc" - -#endif // TQT_NO_MOVIE |