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616 lines
15 KiB
616 lines
15 KiB
/**********************************************************************
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of TQt/Embedded virtual framebuffer.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** Licensees holding valid TQt Commercial licenses may use this file in
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** accordance with the TQt Commercial License Agreement provided with
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** the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#include "ntqglobal.h"
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#if !defined( TQ_WS_QWS ) || defined( TQT_NO_QWS_MULTIPROCESS )
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#define TQLock TQWSSemaphore
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#undef TQT_NO_QWS_MULTIPROCESS
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#include "../../src/kernel/qlock.cpp"
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#else
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#include "qlock_p.h"
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#endif
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#include "tqvfbview.h"
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#include "ntqvfbhdr.h"
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#define TQTE_PIPE "TQtEmbedded-%1"
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#include <ntqapplication.h>
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#include <ntqimage.h>
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#include <ntqbitmap.h>
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#include <ntqtimer.h>
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#include <ntqwmatrix.h>
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#include <ntqpainter.h>
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#include "qanimationwriter.h"
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#include <unistd.h>
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#include <sys/ipc.h>
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#include <sys/types.h>
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#include <sys/shm.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <math.h>
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//#define QT_QWS_EXPERIMENTAL_REVERSE_BIT_ENDIANNESS
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TQVFbView::TQVFbView( int display_id, int w, int h, int d, TQWidget *parent,
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const char *name, uint flags )
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: TQScrollView( parent, name, flags ), emulateTouchscreen(FALSE), qwslock(NULL)
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{
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displayid = display_id;
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viewport()->setMouseTracking( TRUE );
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viewport()->setFocusPolicy( StrongFocus );
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zm = 1;
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animation = 0;
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int actualdepth=d;
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switch ( d ) {
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case 12:
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actualdepth=16;
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break;
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case 1:
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case 4:
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case 8:
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case 16:
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case 32:
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break;
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default:
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tqFatal( "Unsupported bit depth %d\n", d );
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}
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mousePipe = TQString(QT_VFB_MOUSE_PIPE).arg(display_id);
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keyboardPipe = TQString(QT_VFB_KEYBOARD_PIPE).arg(display_id);
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unlink( mousePipe.latin1() );
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mkfifo( mousePipe.latin1(), 0666 );
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mouseFd = open( mousePipe.latin1(), O_RDWR | O_NDELAY );
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if ( mouseFd == -1 ) {
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tqFatal( "Cannot open mouse pipe" );
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}
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unlink( keyboardPipe );
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mkfifo( keyboardPipe, 0666 );
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keyboardFd = open( keyboardPipe, O_RDWR | O_NDELAY );
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if ( keyboardFd == -1 ) {
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tqFatal( "Cannot open keyboard pipe" );
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}
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key_t key = ftok( mousePipe.latin1(), 'b' );
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int bpl;
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if ( d == 1 )
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bpl = (w*d+7)/8;
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else
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bpl = ((w*actualdepth+31)/32)*4;
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int dataSize = bpl * h + sizeof( TQVFbHeader );
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shmId = shmget( key, dataSize, IPC_CREAT|0666);
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if ( shmId != -1 )
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data = (unsigned char *)shmat( shmId, 0, 0 );
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else {
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struct shmid_ds shm;
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shmctl( shmId, IPC_RMID, &shm );
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shmId = shmget( key, dataSize, IPC_CREAT|0666);
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data = (unsigned char *)shmat( shmId, 0, 0 );
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}
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if ( (long)data == -1 )
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tqFatal( "Cannot attach to shared memory" );
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hdr = (TQVFbHeader *)data;
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hdr->width = w;
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hdr->height = h;
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viewdepth = d;
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hdr->depth = actualdepth;
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hdr->linestep = bpl;
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hdr->numcols = 0;
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hdr->dataoffset = sizeof( TQVFbHeader );
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hdr->update = TQRect();
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resizeContents( w, h );
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timer = new TQTimer( this );
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connect( timer, TQ_SIGNAL(timeout()), this, TQ_SLOT(timeout()) );
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gammatable=0;
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setGamma(1.0,1.0,1.0);
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setRate( 30 );
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}
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TQVFbView::~TQVFbView()
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{
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stopAnimation();
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sendKeyboardData( 0, 0, 0, TRUE, FALSE ); // magic die key
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delete qwslock;
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struct shmid_ds shm;
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shmdt( (char*)data );
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shmctl( shmId, IPC_RMID, &shm );
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::close( mouseFd );
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::close( keyboardFd );
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unlink( mousePipe );
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unlink( keyboardPipe );
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}
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TQSize TQVFbView::sizeHint() const
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{
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int f = 2 * frameWidth();
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return TQSize( contentsWidth() + f, contentsHeight() + f );
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}
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void TQVFbView::setGamma(double gr, double gg, double gb)
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{
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if ( viewdepth < 12 )
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return; // not implemented
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gred=gr; ggreen=gg; gblue=gb;
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switch ( viewdepth ) {
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case 12:
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rsh = 12;
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gsh = 7;
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bsh = 1;
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rmax = 15;
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gmax = 15;
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bmax = 15;
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break;
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case 16:
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rsh = 11;
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gsh = 5;
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bsh = 0;
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rmax = 31;
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gmax = 63;
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bmax = 31;
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break;
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case 32:
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rsh = 16;
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gsh = 8;
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bsh = 0;
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rmax = 255;
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gmax = 255;
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bmax = 255;
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}
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int mm = TQMAX(rmax,TQMAX(gmax,bmax))+1;
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if ( gammatable )
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delete [] gammatable;
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gammatable = new TQRgb[mm];
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for (int i=0; i<mm; i++) {
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int r = int(pow(i,gr)*255/rmax);
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int g = int(pow(i,gg)*255/gmax);
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int b = int(pow(i,gb)*255/bmax);
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if ( r > 255 ) r = 255;
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if ( g > 255 ) g = 255;
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if ( b > 255 ) b = 255;
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gammatable[i] = tqRgb(r,g,b);
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//tqDebug("%d: %d,%d,%d",i,r,g,b);
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}
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setDirty(rect());
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}
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void TQVFbView::getGamma(int i, TQRgb& rgb)
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{
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if ( i > 255 ) i = 255;
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if ( i < 0 ) i = 0;
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rgb = tqRgb(tqRed(gammatable[i*rmax/255]),
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tqGreen(gammatable[i*rmax/255]),
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tqBlue(gammatable[i*rmax/255]));
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}
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int TQVFbView::displayId() const
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{
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return displayid;
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}
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int TQVFbView::displayWidth() const
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{
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return hdr->width;
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}
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int TQVFbView::displayHeight() const
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{
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return hdr->height;
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}
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int TQVFbView::displayDepth() const
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{
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return viewdepth;
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}
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void TQVFbView::setZoom( double z )
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{
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if ( zm != z ) {
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zm = z;
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setDirty(TQRect(0,0,hdr->width,hdr->height));
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resizeContents( int(hdr->width*z), int(hdr->height*z) );
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updateGeometry();
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tqApp->sendPostedEvents();
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topLevelWidget()->adjustSize();
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drawScreen();
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}
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}
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void TQVFbView::setRate( int r )
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{
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refreshRate = r;
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timer->start( 1000/r );
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}
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#ifndef TQ_WS_QWS
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// Get the name of the directory where TQt/Embedded temporary data should
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// live.
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static TQString qws_dataDir()
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{
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TQString username = "unknown";
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const char *logname = getenv("LOGNAME");
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if ( logname )
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username = logname;
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TQString dataDir = "/tmp/qtembedded-" + username;
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if ( mkdir( dataDir.latin1(), 0700 ) ) {
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if ( errno != EEXIST ) {
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tqFatal( "Cannot create TQt/Embedded data directory: %s",
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dataDir.latin1() );
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}
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}
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struct stat buf;
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if ( lstat( dataDir.latin1(), &buf ) )
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tqFatal( "stat failed for TQt/Embedded data directory: %s",
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dataDir.latin1() );
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if ( !S_ISDIR( buf.st_mode ) )
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tqFatal( "%s is not a directory", dataDir.latin1() );
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if ( buf.st_uid != getuid() )
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tqFatal( "TQt/Embedded data directory is not owned by user %u",
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getuid() );
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if ( (buf.st_mode & 0677) != 0600 )
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tqFatal( "TQt/Embedded data directory has incorrect permissions: %s",
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dataDir.latin1() );
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dataDir += "/";
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return dataDir;
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}
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#endif
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void TQVFbView::initLock()
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{
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TQString username = "unknown";
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const char *logname = getenv("LOGNAME");
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if ( logname )
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username = logname;
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qwslock = new TQLock(qws_dataDir() + TQString( TQTE_PIPE ).arg( displayid ),
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'd', TRUE);
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}
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void TQVFbView::lock()
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{
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if ( !qwslock )
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initLock();
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qwslock->lock(TQLock::Read);
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}
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void TQVFbView::unlock()
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{
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if ( qwslock )
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qwslock->unlock();
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}
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void TQVFbView::sendMouseData( const TQPoint &pos, int buttons )
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{
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write( mouseFd, &pos, sizeof( TQPoint ) );
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write( mouseFd, &buttons, sizeof( int ) );
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}
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void TQVFbView::sendKeyboardData( int unicode, int keycode, int modifiers,
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bool press, bool repeat )
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{
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TQVFbKeyData kd;
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kd.unicode = unicode | (keycode << 16);
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kd.modifiers = modifiers;
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kd.press = press;
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kd.repeat = repeat;
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write( keyboardFd, &kd, sizeof( TQVFbKeyData ) );
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}
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void TQVFbView::timeout()
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{
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lock();
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if ( animation ) {
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TQRect r( hdr->update );
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r = r.intersect( TQRect(0, 0, hdr->width, hdr->height ) );
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if ( r.isEmpty() ) {
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animation->appendBlankFrame();
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} else {
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int l;
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TQImage img = getBuffer( r, l );
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animation->appendFrame(img,TQPoint(r.x(),r.y()));
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}
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}
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if ( hdr->dirty ) {
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drawScreen();
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}
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unlock();
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}
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TQImage TQVFbView::getBuffer( const TQRect &r, int &leading ) const
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{
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switch ( viewdepth ) {
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case 12:
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case 16: {
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static unsigned char *imgData = 0;
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if ( !imgData ) {
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int bpl = ((hdr->width*32+31)/32)*4;
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imgData = new unsigned char [ bpl * hdr->height ];
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}
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TQImage img( imgData, r.width(), r.height(), 32, 0, 0, TQImage::IgnoreEndian );
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const int rsh = viewdepth == 12 ? 12 : 11;
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const int gsh = viewdepth == 12 ? 7 : 5;
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const int bsh = viewdepth == 12 ? 1 : 0;
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const int rmax = viewdepth == 12 ? 15 : 31;
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const int gmax = viewdepth == 12 ? 15 : 63;
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const int bmax = viewdepth == 12 ? 15 : 31;
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for ( int row = 0; row < r.height(); row++ ) {
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TQRgb *dptr = (TQRgb*)img.scanLine( row );
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ushort *sptr = (ushort*)(data + hdr->dataoffset + (r.y()+row)*hdr->linestep);
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sptr += r.x();
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#ifdef QT_QWS_REVERSE_BYTE_ENDIANNESS
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for ( int col=0; col < r.width()/2; col++ ) {
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#else
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for ( int col=0; col < r.width(); col++ ) {
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#endif
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ushort s = *sptr++;
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#ifdef QT_QWS_REVERSE_BYTE_ENDIANNESS
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ushort s2 = *sptr++;
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*dptr++ = tqRgb(tqRed(gammatable[(s2>>rsh)&rmax]),tqGreen(gammatable[(s2>>gsh)&gmax]),tqBlue(gammatable[(s2>>bsh)&bmax]));
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#endif
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*dptr++ = tqRgb(tqRed(gammatable[(s>>rsh)&rmax]),tqGreen(gammatable[(s>>gsh)&gmax]),tqBlue(gammatable[(s>>bsh)&bmax]));
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//*dptr++ = tqRgb(((s>>rsh)&rmax)*255/rmax,((s>>gsh)&gmax)*255/gmax,((s>>bsh)&bmax)*255/bmax);
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}
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}
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leading = 0;
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return img;
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}
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case 4: {
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static unsigned char *imgData = 0;
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if ( !imgData ) {
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int bpl = ((hdr->width*8+31)/32)*4;
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imgData = new unsigned char [ bpl * hdr->height ];
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}
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TQImage img( imgData, r.width(), r.height(), 8, hdr->clut, 16,
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TQImage::IgnoreEndian );
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for ( int row = 0; row < r.height(); row++ ) {
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unsigned char *dptr = img.scanLine( row );
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unsigned char *sptr = data + hdr->dataoffset + (r.y()+row)*hdr->linestep;
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sptr += r.x()/2;
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int col = 0;
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#ifdef QT_QWS_EXPERIMENTAL_REVERSE_BIT_ENDIANNESS
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if ( r.x() & 1 ) {
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*dptr++ = *sptr++ & 0x0f;
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col++;
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}
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for ( ; col < r.width()-1; col+=2 ) {
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unsigned char s = *sptr++;
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*dptr++ = s >> 4;
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*dptr++ = s & 0x0f;
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}
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if ( !(r.right() & 1) )
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*dptr = *sptr >> 4;
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#else
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if ( r.x() & 1 ) {
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*dptr++ = *sptr++ >> 4;
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col++;
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}
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for ( ; col < r.width()-1; col+=2 ) {
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unsigned char s = *sptr++;
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*dptr++ = s & 0x0f;
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*dptr++ = s >> 4;
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}
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if ( !(r.right() & 1) )
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*dptr = *sptr & 0x0f;
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#endif
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}
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leading = 0;
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return img;
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}
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case 32: {
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leading = r.x();
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return TQImage( data + hdr->dataoffset + r.y() * hdr->linestep,
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hdr->width, r.height(), hdr->depth, 0,
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0, TQImage::LittleEndian );
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}
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case 8: {
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leading = r.x();
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return TQImage( data + hdr->dataoffset + r.y() * hdr->linestep,
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hdr->width, r.height(), hdr->depth, hdr->clut,
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256, TQImage::LittleEndian );
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}
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case 1: {
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leading = r.x();
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return TQImage( data + hdr->dataoffset + r.y() * hdr->linestep,
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hdr->width, r.height(), hdr->depth, hdr->clut,
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#ifndef QT_QWS_EXPERIMENTAL_REVERSE_BIT_ENDIANNESS
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0, TQImage::LittleEndian );
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#else
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0, TQImage::BigEndian );
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#endif
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}
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}
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return TQImage();
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}
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void TQVFbView::drawScreen()
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{
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TQPainter p( viewport() );
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p.translate( -contentsX(), -contentsY() );
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lock();
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TQRect r( hdr->update );
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hdr->dirty = FALSE;
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hdr->update = TQRect();
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// tqDebug( "update %d, %d, %dx%d", r.y(), r.x(), r.width(), r.height() );
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r = r.intersect( TQRect(0, 0, hdr->width, hdr->height ) );
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if ( !r.isEmpty() ) {
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if ( int(zm) != zm ) {
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r.rLeft() = int(int(r.left()*zm)/zm);
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r.rTop() = int(int(r.top()*zm)/zm);
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r.rRight() = int(int(r.right()*zm+zm+0.0000001)/zm+1.9999);
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r.rBottom() = int(int(r.bottom()*zm+zm+0.0000001)/zm+1.9999);
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r.rRight() = TQMIN(r.right(),hdr->width-1);
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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].unicode(), 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;
|
|
}
|