/*                 This file is part of the Opie Project               Copyright (c) 2002 Max Reiss Copyright (c) 2002 LJP <> Copyright (c) 2002 Holger Freyther =. .=l.            .>+-=  _;:,     .>    :=|. This program is free software; you can .> <`_,   >  .   <= redistribute it and/or modify it under :`=1 )Y*s>-.--   : the terms of the GNU General Public .="- .-=="i,     .._ License as published by the Free Software  - .   .-<_>     .<> Foundation; either version 2 of the License,      ._= =}       : or (at your option) any later version.     .%`+i>       _;_.     .i_,=:_.      -`: PARTICULAR PURPOSE. See the GNU ..}^=.=       =       ; Library General Public License for more ++=   -.     .`     .: details.  :     =  ...= . :.=-  -.   .:....=;==+<; You should have received a copy of the GNU   -_. . .   )=.  = Library General Public License along with     --        :-=` this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include #include "xinevideowidget.h" static inline void memcpy_rev ( void *dst, void *src, size_t len ) { ((char *) src ) += len; len >>= 1; while ( len-- ) *((short int *) dst )++ = *--((short int *) src ); } static inline void memcpy_step ( void *dst, void *src, size_t len, size_t step ) { len >>= 1; while ( len-- ) { *((short int *) dst )++ = *((short int *) src ); ((char *) src ) += step; } } static inline void memcpy_step_rev ( void *dst, void *src, size_t len, size_t step ) { len >>= 1; ((char *) src ) += ( len * step ); while ( len-- ) { ((char *) src ) -= step; *((short int *) dst )++ = *((short int *) src ); } } XineVideoWidget::XineVideoWidget ( QWidget* parent, const char* name ) : QWidget ( parent, name, WRepaintNoErase | WResizeNoErase ) { setBackgroundMode ( NoBackground ); m_image = 0; m_buff = 0; m_bytes_per_line_fb = qt_screen-> linestep ( ); m_bytes_per_pixel = ( qt_screen->depth() + 7 ) / 8; m_rotation = 0; } XineVideoWidget::~XineVideoWidget ( ) { delete m_image; } void XineVideoWidget::clear ( ) { m_buff = 0; repaint ( false ); } void XineVideoWidget::paintEvent ( QPaintEvent * ) { //qWarning( "painting <<<" ); if ( m_buff == 0 ) { QPainter p ( this ); p. fillRect ( rect ( ), black ); if ( m_image ) p. drawImage ( 0, 0, *m_image ); //qWarning ( "logo\n" ); } else { // qWarning ( "paintevent\n" ); QArray qt_bug_workaround_clip_rects; { QDirectPainter dp ( this ); int rot = dp. transformOrientation ( ) + m_rotation; uchar *fb = dp. frameBuffer ( ); uchar *frame = m_buff; // rot == 0 ? m_buff : m_buff + ( m_thisframe. height ( ) - 1 ) * m_bytes_per_line_frame; QRect framerect = qt_screen-> mapToDevice ( QRect ( mapToGlobal ( m_thisframe. topLeft ( )), m_thisframe. size ( )), QSize ( qt_screen-> width ( ), qt_screen-> height ( ))); qt_bug_workaround_clip_rects. resize ( dp. numRects ( )); for ( int i = dp. numRects ( ) - 1; i >= 0; i-- ) { const QRect &clip = dp. rect ( i ); qt_bug_workaround_clip_rects [i] = qt_screen-> mapFromDevice ( clip, QSize ( qt_screen-> width ( ), qt_screen-> height ( ))); uchar *dst = fb + ( clip. x ( ) * m_bytes_per_pixel ) + ( clip. y ( ) * m_bytes_per_line_fb ); uchar *src = frame; switch ( rot ) { case 0: src += ( (( clip. x ( ) - framerect. x ( )) * m_bytes_per_pixel ) + (( clip. y ( ) - framerect. y ( )) * m_bytes_per_line_frame ) ); break; case 1: src += ( (( clip. y ( ) - framerect. y ( )) * m_bytes_per_pixel ) + (( clip. x ( ) - framerect. x ( )) * m_bytes_per_line_frame ) + (( framerect. height ( ) - 1 ) * m_bytes_per_pixel ) ); break; case 2: src += ( (( clip. x ( ) - framerect. x ( )) * m_bytes_per_pixel ) + (( clip. y ( ) - framerect. y ( )) * m_bytes_per_line_frame ) + (( framerect. height ( ) - 1 ) * m_bytes_per_line_frame ) ); break; case 3: src += ( (( clip. y ( ) - framerect. y ( )) * m_bytes_per_pixel ) + (( clip. x ( ) - framerect. x ( )) * m_bytes_per_line_frame ) ); break; default: break; } uint leftfill = 0; uint framefill = 0; uint rightfill = 0; uint clipwidth = clip. width ( ) * m_bytes_per_pixel; if ( clip. left ( ) < framerect. left ( )) leftfill = (( framerect. left ( ) - clip. left ( )) * m_bytes_per_pixel ) framerect. right ( )) rightfill = (( clip. right ( ) - framerect. right ( )) * m_bytes_per_pixel ) framerect. bottom ( ))) { memset ( dst, 0, clipwidth ); } else { if ( leftfill ) memset ( dst, 0, leftfill ); if ( framefill ) { switch ( rot ) { case 0: memcpy ( dst + leftfill, src, framefill ); break; case 1: memcpy_step ( dst + leftfill, src, framefill, m_bytes_per_line_frame ); break; case 2: memcpy_rev ( dst + leftfill, src, framefill ); break; case 3: memcpy_step_rev ( dst + leftfill, src, framefill, m_bytes_per_line_frame ); break; default: break; } } if ( rightfill ) memset ( dst + leftfill + framefill, 0, rightfill ); } dst += m_bytes_per_line_fb; switch ( rot ) { case 0: src += m_bytes_per_line_frame; break; case 1: src -= m_bytes_per_pixel; break; case 2: src -= m_bytes_per_line_frame; break; case 3: src += m_bytes_per_pixel; break; default: break; } } } } //qWarning ( " ||| painting |||" ); { // QVFB hack by MArtin Jones QPainter p ( this ); for ( int i = qt_bug_workaround_clip_rects. size ( ) - 1; i >= 0; i-- ) { p. fillRect ( QRect ( mapFromGlobal ( qt_bug_workaround_clip_rects [i]. topLeft ( )), qt_bug_workaround_clip_rects [i]. size ( )), QBrush ( NoBrush ) ); } } } //qWarning( "painting >>>" ); } void XineVideoWidget::setImage ( QImage* image ) { delete m_image; m_image = image; } void XineVideoWidget::setImage ( uchar* img, int w, int h, int bpl ) { bool rot90 = (( -m_rotation ) & 1 ); if ( rot90 ) { int d = w; w = h; h = d; } m_lastframe = m_thisframe; m_thisframe. setRect (( width ( ) - w ) / 2, ( height ( ) - h ) / 2, w , h ); // qDebug ( "Frame: %d,%d - %dx%d", ( width ( ) - w ) / 2, ( height ( ) - h ) / 2, w , h ); m_buff = img; m_bytes_per_line_frame = bpl; repaint ((( m_thisframe & m_lastframe ) != m_lastframe ) ? m_lastframe : m_thisframe, false ); } void XineVideoWidget::resizeEvent ( QResizeEvent * ) { QSize s = size ( ); bool fs = ( s == qApp-> desktop ( )-> size ( )); m_rotation = fs ? -qt_screen-> transformOrientation ( ) : 0; if ( fs && qt_screen-> isTransformed ( )) { s = qt_screen-> mapToDevice ( s ); } // qDebug ( "\n\nResize: %dx%d, Rot: %d", s.width(),s.height(),m_rotation ); emit videoResized ( s ); } void XineVideoWidget::mousePressEvent ( QMouseEvent * /*me*/ ) { QWidget *p = parentWidget ( ); if ( p ) { // QMouseEvent pme ( QEvent::MouseButtonPress, mapToParent ( me-> pos ( )), me-> globalPos ( ), me-> button ( ), me-> state ( )); // QApplication::sendEvent ( p, &pme ); // emit clicked(); } } void XineVideoWidget::mouseReleaseEvent ( QMouseEvent * /*me*/ ) { QWidget *p = parentWidget ( ); if ( p ) { // QMouseEvent pme ( QEvent::MouseButtonRelease, mapToParent ( me-> pos ( )), me-> globalPos ( ), me-> button ( ), me-> state ( )); // QApplication::sendEvent ( p, &pme ); emit clicked(); } }