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-rw-r--r--experimental/tqtinterface/qt4/tools/qvfb/qvfbview.cpp615
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diff --git a/experimental/tqtinterface/qt4/tools/qvfb/qvfbview.cpp b/experimental/tqtinterface/qt4/tools/qvfb/qvfbview.cpp
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index 000000000..f7d066926
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+++ b/experimental/tqtinterface/qt4/tools/qvfb/qvfbview.cpp
@@ -0,0 +1,615 @@
+/**********************************************************************
+** Copyright (C) 2010 Timothy Pearson and (C) 1992-2008 Trolltech ASA.
+**
+** This file is part of TQt/Embedded virtual framebuffer.
+**
+** 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.
+**
+** 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.
+**
+**********************************************************************/
+
+#include "tqglobal.h"
+#if !defined( TQ_WS_TQWS ) || defined( TQT_NO_TQWS_MULTIPROCESS )
+#define TQLock TQWSSemaphore
+#undef TQT_NO_TQWS_MULTIPROCESS
+#include "../../src/kernel/qlock.cpp"
+#else
+#include "tqlock_p.h"
+#endif
+
+#include "tqvfbview.h"
+#include "tqvfbhdr.h"
+
+#define TQTE_PIPE "TQtEmbedded-%1"
+
+#include <tqapplication.h>
+#include <tqimage.h>
+#include <tqbitmap.h>
+#include <tqtimer.h>
+#include <tqwmatrix.h>
+#include <tqpainter.h>
+#include "tqanimationwriter.h"
+
+#include <unistd.h>
+#include <sys/ipc.h>
+#include <sys/types.h>
+#include <sys/shm.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <math.h>
+
+//#define TQT_TQWS_EXPERIMENTAL_REVERSE_BIT_ENDIANNESS
+
+TQVFbView::TQVFbView( int display_id, int w, int h, int d, TQWidget *tqparent,
+ const char *name, uint flags )
+ : TQScrollView( tqparent, name, flags ), emulateTouchscreen(FALSE), qwslock(NULL)
+{
+ displayid = display_id;
+ viewport()->setMouseTracking( TRUE );
+ viewport()->setFocusPolicy( StrongFocus );
+ zm = 1;
+ animation = 0;
+ int actualdepth=d;
+
+ switch ( d ) {
+ case 12:
+ actualdepth=16;
+ break;
+ case 1:
+ case 4:
+ case 8:
+ case 16:
+ case 32:
+ break;
+
+ default:
+ qFatal( "Unsupported bit depth %d\n", d );
+ }
+
+ mousePipe = TQString(TQT_VFB_MOUSE_PIPE).arg(display_id);
+ keyboardPipe = TQString(TQT_VFB_KEYBOARD_PIPE).arg(display_id);
+
+ unlink( mousePipe.latin1() );
+ mkfifo( mousePipe.latin1(), 0666 );
+
+ mouseFd = open( mousePipe.latin1(), O_RDWR | O_NDELAY );
+ if ( mouseFd == -1 ) {
+ qFatal( "Cannot open mouse pipe" );
+ }
+
+ unlink( keyboardPipe );
+ mkfifo( keyboardPipe, 0666 );
+ keyboardFd = open( keyboardPipe, O_RDWR | O_NDELAY );
+ if ( keyboardFd == -1 ) {
+ qFatal( "Cannot open keyboard pipe" );
+ }
+
+ key_t key = ftok( mousePipe.latin1(), 'b' );
+
+ int bpl;
+ if ( d == 1 )
+ bpl = (w*d+7)/8;
+ else
+ bpl = ((w*actualdepth+31)/32)*4;
+
+ int dataSize = bpl * h + sizeof( TQVFbHeader );
+ shmId = shmget( key, dataSize, IPC_CREAT|0666);
+ if ( shmId != -1 )
+ data = (unsigned char *)shmat( shmId, 0, 0 );
+ else {
+ struct shmid_ds shm;
+ shmctl( shmId, IPC_RMID, &shm );
+ shmId = shmget( key, dataSize, IPC_CREAT|0666);
+ data = (unsigned char *)shmat( shmId, 0, 0 );
+ }
+
+ if ( (int)data == -1 )
+ qFatal( "Cannot attach to shared memory" );
+
+ hdr = (TQVFbHeader *)data;
+ hdr->width = w;
+ hdr->height = h;
+ viewdepth = d;
+ hdr->depth = actualdepth;
+ hdr->linestep = bpl;
+ hdr->numcols = 0;
+ hdr->dataoffset = sizeof( TQVFbHeader );
+ hdr->update = TQRect();
+
+ resizeContents( w, h );
+
+ timer = new TQTimer( this );
+ connect( timer, TQT_SIGNAL(timeout()), this, TQT_SLOT(timeout()) );
+
+ gammatable=0;
+ setGamma(1.0,1.0,1.0);
+ setRate( 30 );
+}
+
+TQVFbView::~TQVFbView()
+{
+ stopAnimation();
+ sendKeyboardData( 0, 0, 0, TRUE, FALSE ); // magic die key
+ delete qwslock;
+ struct shmid_ds shm;
+ shmdt( (char*)data );
+ shmctl( shmId, IPC_RMID, &shm );
+ ::close( mouseFd );
+ ::close( keyboardFd );
+ unlink( mousePipe );
+ unlink( keyboardPipe );
+}
+
+TQSize TQVFbView::tqsizeHint() const
+{
+ int f = 2 * frameWidth();
+ return TQSize( contentsWidth() + f, contentsHeight() + f );
+}
+
+void TQVFbView::setGamma(double gr, double gg, double gb)
+{
+ if ( viewdepth < 12 )
+ return; // not implemented
+
+ gred=gr; ggreen=gg; gblue=gb;
+
+ switch ( viewdepth ) {
+ case 12:
+ rsh = 12;
+ gsh = 7;
+ bsh = 1;
+ rmax = 15;
+ gmax = 15;
+ bmax = 15;
+ break;
+ case 16:
+ rsh = 11;
+ gsh = 5;
+ bsh = 0;
+ rmax = 31;
+ gmax = 63;
+ bmax = 31;
+ break;
+ case 32:
+ rsh = 16;
+ gsh = 8;
+ bsh = 0;
+ rmax = 255;
+ gmax = 255;
+ bmax = 255;
+ }
+ int mm = TQMAX(rmax,TQMAX(gmax,bmax))+1;
+ if ( gammatable )
+ delete [] gammatable;
+ gammatable = new TQRgb[mm];
+ for (int i=0; i<mm; i++) {
+ int r = int(pow(i,gr)*255/rmax);
+ int g = int(pow(i,gg)*255/gmax);
+ int b = int(pow(i,gb)*255/bmax);
+ if ( r > 255 ) r = 255;
+ if ( g > 255 ) g = 255;
+ if ( b > 255 ) b = 255;
+ gammatable[i] = tqRgb(r,g,b);
+//qDebug("%d: %d,%d,%d",i,r,g,b);
+ }
+
+ setDirty(rect());
+}
+
+void TQVFbView::getGamma(int i, TQRgb& rgb)
+{
+ if ( i > 255 ) i = 255;
+ if ( i < 0 ) i = 0;
+ rgb = tqRgb(tqRed(gammatable[i*rmax/255]),
+ tqGreen(gammatable[i*rmax/255]),
+ tqBlue(gammatable[i*rmax/255]));
+}
+
+int TQVFbView::displayId() const
+{
+ return displayid;
+}
+
+int TQVFbView::displayWidth() const
+{
+ return hdr->width;
+}
+
+int TQVFbView::displayHeight() const
+{
+ return hdr->height;
+}
+
+int TQVFbView::displayDepth() const
+{
+ return viewdepth;
+}
+
+void TQVFbView::setZoom( double z )
+{
+ if ( zm != z ) {
+ zm = z;
+ setDirty(TQRect(0,0,hdr->width,hdr->height));
+ resizeContents( int(hdr->width*z), int(hdr->height*z) );
+ updateGeometry();
+ tqApp->sendPostedEvents();
+ tqtopLevelWidget()->adjustSize();
+ drawScreen();
+ }
+}
+
+void TQVFbView::setRate( int r )
+{
+ refreshRate = r;
+ timer->start( 1000/r );
+}
+
+#ifndef TQ_WS_TQWS
+// Get the name of the directory where TQt/Embedded temporary data should
+// live.
+static TQString qws_dataDir()
+{
+ TQString username = "unknown";
+ const char *logname = getenv("LOGNAME");
+ if ( logname )
+ username = logname;
+
+ TQString dataDir = "/tmp/qtembedded-" + username;
+ if ( mkdir( dataDir.latin1(), 0700 ) ) {
+ if ( errno != EEXIST ) {
+ qFatal( TQString("Cannot create TQt/Embedded data directory: %1")
+ .arg( dataDir ) );
+ }
+ }
+
+ struct stat buf;
+ if ( lstat( dataDir.latin1(), &buf ) )
+ qFatal( TQString( "stat failed for TQt/Embedded data directory: %1" )
+ .arg( dataDir ) );
+
+ if ( !S_ISDIR( buf.st_mode ) )
+ qFatal( TQString( "%1 is not a directory" ).arg( dataDir ) );
+
+ if ( buf.st_uid != getuid() )
+ qFatal( TQString( "TQt/Embedded data directory is not owned by user %1" )
+ .arg( getuid() ) );
+
+ if ( (buf.st_mode & 0677) != 0600 )
+ qFatal( TQString( "TQt/Embedded data directory has incorrect permissions: %1" )
+ .arg( dataDir ) );
+
+ dataDir += "/";
+
+ return dataDir;
+}
+#endif
+
+void TQVFbView::initLock()
+{
+ TQString username = "unknown";
+ const char *logname = getenv("LOGNAME");
+ if ( logname )
+ username = logname;
+ qwslock = new TQLock(qws_dataDir() + TQString( TQTE_PIPE ).arg( displayid ),
+ 'd', TRUE);
+}
+
+void TQVFbView::lock()
+{
+ if ( !qwslock )
+ initLock();
+ qwslock->lock(TQLock::Read);
+}
+
+void TQVFbView::unlock()
+{
+ if ( qwslock )
+ qwslock->unlock();
+}
+
+void TQVFbView::sendMouseData( const TQPoint &pos, int buttons )
+{
+ write( mouseFd, &pos, sizeof( TQPoint ) );
+ write( mouseFd, &buttons, sizeof( int ) );
+}
+
+void TQVFbView::sendKeyboardData( int tqunicode, int keycode, int modifiers,
+ bool press, bool repeat )
+{
+ TQVFbKeyData kd;
+ kd.tqunicode = tqunicode | (keycode << 16);
+ kd.modifiers = modifiers;
+ kd.press = press;
+ kd.repeat = repeat;
+ write( keyboardFd, &kd, sizeof( TQVFbKeyData ) );
+}
+
+void TQVFbView::timeout()
+{
+ lock();
+ if ( animation ) {
+ TQRect r( hdr->update );
+ r = r.intersect( TQRect(0, 0, hdr->width, hdr->height ) );
+ if ( r.isEmpty() ) {
+ animation->appendBlankFrame();
+ } else {
+ int l;
+ TQImage img = getBuffer( r, l );
+ animation->appendFrame(img,TQPoint(r.x(),r.y()));
+ }
+ }
+ if ( hdr->dirty ) {
+ drawScreen();
+ }
+ unlock();
+}
+
+TQImage TQVFbView::getBuffer( const TQRect &r, int &leading ) const
+{
+ switch ( viewdepth ) {
+ case 12:
+ case 16: {
+ static unsigned char *imgData = 0;
+ if ( !imgData ) {
+ int bpl = ((hdr->width*32+31)/32)*4;
+ imgData = new unsigned char [ bpl * hdr->height ];
+ }
+ TQImage img( imgData, r.width(), r.height(), 32, 0, 0, TQImage::IgnoreEndian );
+ const int rsh = viewdepth == 12 ? 12 : 11;
+ const int gsh = viewdepth == 12 ? 7 : 5;
+ const int bsh = viewdepth == 12 ? 1 : 0;
+ const int rmax = viewdepth == 12 ? 15 : 31;
+ const int gmax = viewdepth == 12 ? 15 : 63;
+ const int bmax = viewdepth == 12 ? 15 : 31;
+ for ( int row = 0; row < r.height(); row++ ) {
+ TQRgb *dptr = (TQRgb*)img.scanLine( row );
+ ushort *sptr = (ushort*)(data + hdr->dataoffset + (r.y()+row)*hdr->linestep);
+ sptr += r.x();
+#ifdef TQT_TQWS_REVERSE_BYTE_ENDIANNESS
+ for ( int col=0; col < r.width()/2; col++ ) {
+#else
+ for ( int col=0; col < r.width(); col++ ) {
+#endif
+ ushort s = *sptr++;
+#ifdef TQT_TQWS_REVERSE_BYTE_ENDIANNESS
+ ushort s2 = *sptr++;
+ *dptr++ = tqRgb(tqRed(gammatable[(s2>>rsh)&rmax]),tqGreen(gammatable[(s2>>gsh)&gmax]),tqBlue(gammatable[(s2>>bsh)&bmax]));
+#endif
+ *dptr++ = tqRgb(tqRed(gammatable[(s>>rsh)&rmax]),tqGreen(gammatable[(s>>gsh)&gmax]),tqBlue(gammatable[(s>>bsh)&bmax]));
+ //*dptr++ = tqRgb(((s>>rsh)&rmax)*255/rmax,((s>>gsh)&gmax)*255/gmax,((s>>bsh)&bmax)*255/bmax);
+ }
+ }
+ leading = 0;
+ return img;
+ }
+ case 4: {
+ static unsigned char *imgData = 0;
+ if ( !imgData ) {
+ int bpl = ((hdr->width*8+31)/32)*4;
+ imgData = new unsigned char [ bpl * hdr->height ];
+ }
+ TQImage img( imgData, r.width(), r.height(), 8, hdr->clut, 16,
+ TQImage::IgnoreEndian );
+ for ( int row = 0; row < r.height(); row++ ) {
+ unsigned char *dptr = img.scanLine( row );
+ unsigned char *sptr = data + hdr->dataoffset + (r.y()+row)*hdr->linestep;
+ sptr += r.x()/2;
+ int col = 0;
+#ifdef TQT_TQWS_EXPERIMENTAL_REVERSE_BIT_ENDIANNESS
+ if ( r.x() & 1 ) {
+ *dptr++ = *sptr++ & 0x0f;
+ col++;
+ }
+ for ( ; col < r.width()-1; col+=2 ) {
+ unsigned char s = *sptr++;
+ *dptr++ = s >> 4;
+ *dptr++ = s & 0x0f;
+ }
+ if ( !(r.right() & 1) )
+ *dptr = *sptr >> 4;
+#else
+ if ( r.x() & 1 ) {
+ *dptr++ = *sptr++ >> 4;
+ col++;
+ }
+ for ( ; col < r.width()-1; col+=2 ) {
+ unsigned char s = *sptr++;
+ *dptr++ = s & 0x0f;
+ *dptr++ = s >> 4;
+ }
+ if ( !(r.right() & 1) )
+ *dptr = *sptr & 0x0f;
+#endif
+ }
+ leading = 0;
+ return img;
+ }
+ case 32: {
+ leading = r.x();
+ return TQImage( data + hdr->dataoffset + r.y() * hdr->linestep,
+ hdr->width, r.height(), hdr->depth, 0,
+ 0, TQImage::LittleEndian );
+ }
+ case 8: {
+ leading = r.x();
+ return TQImage( data + hdr->dataoffset + r.y() * hdr->linestep,
+ hdr->width, r.height(), hdr->depth, hdr->clut,
+ 256, TQImage::LittleEndian );
+ }
+ case 1: {
+ leading = r.x();
+ return TQImage( data + hdr->dataoffset + r.y() * hdr->linestep,
+ hdr->width, r.height(), hdr->depth, hdr->clut,
+#ifndef TQT_TQWS_EXPERIMENTAL_REVERSE_BIT_ENDIANNESS
+ 0, TQImage::LittleEndian );
+#else
+ 0, TQImage::BigEndian );
+#endif
+ }
+ }
+ return TQImage();
+}
+
+void TQVFbView::drawScreen()
+{
+ TQPainter p( viewport() );
+
+ p.translate( -contentsX(), -contentsY() );
+
+ lock();
+ TQRect r( hdr->update );
+ hdr->dirty = FALSE;
+ hdr->update = TQRect();
+ // qDebug( "update %d, %d, %dx%d", r.y(), r.x(), r.width(), r.height() );
+ r = r.intersect( TQRect(0, 0, hdr->width, hdr->height ) );
+ if ( !r.isEmpty() ) {
+ if ( int(zm) != zm ) {
+ r.rLeft() = int(int(r.left()*zm)/zm);
+ r.rTop() = int(int(r.top()*zm)/zm);
+ r.rRight() = int(int(r.right()*zm+zm+0.0000001)/zm+1.9999);
+ r.rBottom() = int(int(r.bottom()*zm+zm+0.0000001)/zm+1.9999);
+ r.rRight() = TQMIN(r.right(),hdr->width-1);
+ r.rBottom() = TQMIN(r.bottom(),hdr->height-1);
+ }
+ int leading;
+ TQImage img( getBuffer( r, leading ) );
+ TQPixmap pm;
+ if ( zm == 1 ) {
+ pm.convertFromImage( img );
+ } else if ( int(zm) == zm ) {
+ TQWMatrix m;
+ m.scale(zm,zm);
+ pm.convertFromImage( img );
+ pm = pm.xForm(m);
+ } else {
+ pm.convertFromImage( img.smoothScale(int(img.width()*zm),int(img.height()*zm)) );
+ }
+ unlock();
+ p.setPen( black );
+ p.setBrush( white );
+ p.drawPixmap( int(r.x()*zm), int(r.y()*zm), pm,
+ int(leading*zm), 0, pm.width(), pm.height() );
+ } else {
+ unlock();
+ }
+}
+
+bool TQVFbView::eventFilter( TQObject *obj, TQEvent *e )
+{
+ if ( obj == viewport() &&
+ (e->type() == TQEvent::FocusIn || e->type() == TQEvent::FocusOut) )
+ return TRUE;
+
+ return TQScrollView::eventFilter( obj, e );
+}
+
+void TQVFbView::viewportPaintEvent( TQPaintEvent *pe )
+{
+ TQRect r( pe->rect() );
+ r.moveBy( contentsX(), contentsY() );
+ r = TQRect(int(r.x()/zm),int(r.y()/zm),
+ int(r.width()/zm)+1,int(r.height()/zm)+1);
+ setDirty(r);
+ drawScreen();
+}
+
+void TQVFbView::setDirty( const TQRect& r )
+{
+ lock();
+ hdr->update |= r;
+ hdr->dirty = TRUE;
+ unlock();
+}
+
+void TQVFbView::contentsMousePressEvent( TQMouseEvent *e )
+{
+ sendMouseData( e->pos()/zm, e->stateAfter() );
+}
+
+void TQVFbView::contentsMouseDoubleClickEvent( TQMouseEvent *e )
+{
+ sendMouseData( e->pos()/zm, e->stateAfter() );
+}
+
+void TQVFbView::contentsMouseReleaseEvent( TQMouseEvent *e )
+{
+ sendMouseData( e->pos()/zm, e->stateAfter() );
+}
+
+void TQVFbView::contentsMouseMoveEvent( TQMouseEvent *e )
+{
+ if ( !emulateTouchscreen || (e->state() & MouseButtonMask ) )
+ sendMouseData( e->pos()/zm, e->state() );
+}
+
+
+
+void TQVFbView::keyPressEvent( TQKeyEvent *e )
+{
+ sendKeyboardData(e->text()[0].tqunicode(), e->key(),
+ e->stateAfter()&(ShiftButton|ControlButton|AltButton),
+ TRUE, e->isAutoRepeat());
+}
+
+void TQVFbView::keyReleaseEvent( TQKeyEvent *e )
+{
+ sendKeyboardData(e->ascii(), e->key(),
+ e->stateAfter()&(ShiftButton|ControlButton|AltButton),
+ FALSE, e->isAutoRepeat());
+}
+
+
+TQImage TQVFbView::image() const
+{
+ ((TQVFbView*)this)->lock();
+ int l;
+ TQImage r = getBuffer( TQRect(0, 0, hdr->width, hdr->height), l ).copy();
+ ((TQVFbView*)this)->unlock();
+ return r;
+}
+
+void TQVFbView::startAnimation( const TQString& filename )
+{
+ delete animation;
+ animation = new TQAnimationWriter(filename,"MNG");
+ animation->setFrameRate(refreshRate);
+ animation->appendFrame(TQImage(data + hdr->dataoffset,
+ hdr->width, hdr->height, hdr->depth, hdr->clut,
+ 256, TQImage::LittleEndian));
+}
+
+void TQVFbView::stopAnimation()
+{
+ delete animation;
+ animation = 0;
+}
+
+void TQVFbView::setTouchscreenEmulation( bool b )
+{
+ emulateTouchscreen = b;
+}
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-09 06:20:48 +0000