| -rw-r--r-- | noncore/multimedia/opieplayer2/xinevideowidget.cpp | 48 |
1 files changed, 38 insertions, 10 deletions
diff --git a/noncore/multimedia/opieplayer2/xinevideowidget.cpp b/noncore/multimedia/opieplayer2/xinevideowidget.cpp index b55750a..15c611f 100644 --- a/noncore/multimedia/opieplayer2/xinevideowidget.cpp +++ b/noncore/multimedia/opieplayer2/xinevideowidget.cpp @@ -1,128 +1,156 @@ /* This file is part of the Opie Project Copyright (c) 2002 Robert Griebl <sandman@handhelds.org> Copyright (c) 2002 Holger Freyther <zecke@handhelds.org> =. .=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_,=:_. -<s. This program is distributed in the hope that + . -:. = it will be useful, but WITHOUT ANY WARRANTY; : .. .:, . . . without even the implied warranty of =_ + =;=|` MERCHANTABILITY or FITNESS FOR A _.=:. : :=>`: 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 <qimage.h> #include <qdirectpainter_qws.h> #include <qgfx_qws.h> #include <qsize.h> #include <qapplication.h> #include <qpe/resource.h> #include "xinevideowidget.h" // 0 deg rot: copy a line from src to dst (use libc memcpy) // 180 deg rot: copy a line from src to dst reversed -static inline void memcpy_rev ( void *dst, void *src, size_t len ) +/* + * This code relies the len be a multiply of 16bit + */ +static inline void memcpy_rev ( void *_dst, void *_src, size_t len ) { + /* + * move the source to the end + */ + char *src_c = static_cast<char*>(_src) + len; + + /* + * as we copy by 16bit and not 8bit + * devide the length by two + */ len >>= 1; - ((char *) src ) += ( len << 1 ); + short int* dst = static_cast<short int*>( _dst ); + short int* src = reinterpret_cast<short int*>( src_c ); + /* + * Increment dst after assigning + * Decrement src before assigning becase we move backwards + */ while ( len-- ) - *((short int *) dst )++ = *--((short int *) src ); + *dst++ = *--src; + } // 90 deg rot: copy a column from src to dst -static inline void memcpy_step ( void *dst, void *src, size_t len, size_t step ) +static inline void memcpy_step ( void *_dst, void *_src, size_t len, size_t step ) { + short int *dst = static_cast<short int*>( _dst ); + short int *src = static_cast<short int*>( _src ); + len >>= 1; + + /* + * Copy 16bit from src to dst and move to the next address + */ while ( len-- ) { - *((short int *) dst )++ = *((short int *) src ); - ((char *) src ) += step; + *dst++ = *src; + src = reinterpret_cast<short int*>(reinterpret_cast<char*>(src)+step); } } // 270 deg rot: copy a column from src to dst reversed -static inline void memcpy_step_rev ( void *dst, void *src, size_t len, size_t step ) +static inline void memcpy_step_rev ( void *_dst, void *_src, size_t len, size_t step ) { len >>= 1; - ((char *) src ) += ( len * step ); + char *src_c = static_cast<char*>( _src ) + (len*step); + short int* dst = static_cast<short int*>( _dst ); + short int* src = reinterpret_cast<short int*>( src_c ); while ( len-- ) { - ((char *) src ) -= step; - *((short int *) dst )++ = *((short int *) src ); + src_c -= step; + src = reinterpret_cast<short int*>( src_c ); + *dst++ = *src; } } XineVideoWidget::XineVideoWidget ( QWidget* parent, const char* name ) : QWidget ( parent, name, WRepaintNoErase | WResizeNoErase ) { setBackgroundMode ( NoBackground ); m_logo = 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_logo; } void XineVideoWidget::clear ( ) { m_buff = 0; repaint ( false ); } QSize XineVideoWidget::videoSize() const { QSize s = size(); bool fs = ( s == qApp->desktop()->size() ); // if we are in fullscreen mode, do not rotate the video // (!! the paint routine uses m_rotation + qt_screen-> transformOrientation() !!) m_rotation = fs ? - qt_screen->transformOrientation() : 0; if ( fs && qt_screen->isTransformed() ) s = qt_screen->mapToDevice( s ); return s; } void XineVideoWidget::paintEvent ( QPaintEvent * ) { if ( m_buff == 0 ) { QPainter p ( this ); p. fillRect ( rect ( ), black ); |