kwin/scene_basic.cpp
Luboš Luňák e6c23e4cd3 Ok, I give up, whoever wants more complicated transformations than just
translation are welcome to implement it themselves. I'm no graphics guy
after all and this seems to be far beyond me.


svn path=/branches/work/kwin_composite/; revision=559182
2006-07-06 18:22:01 +00:00

57 lines
1.8 KiB
C++

/*****************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
You can Freely distribute this program under the GNU General Public
License. See the file "COPYING" for the exact licensing terms.
******************************************************************/
#include "scene_basic.h"
#include "utils.h"
#include "client.h"
namespace KWinInternal
{
//****************************************
// SceneBasic
//****************************************
SceneBasic::SceneBasic( Workspace* ws )
: Scene( ws )
{
}
SceneBasic::~SceneBasic()
{
}
void SceneBasic::paint( XserverRegion, ToplevelList windows )
{
Pixmap composite_pixmap = XCreatePixmap( display(), rootWindow(), displayWidth(), displayHeight(), QX11Info::appDepth());
XGCValues val;
val.foreground = WhitePixel( display(), DefaultScreen( display()));
val.subwindow_mode = IncludeInferiors;
GC gc = XCreateGC( display(), composite_pixmap, GCForeground | GCSubwindowMode, &val );
XFillRectangle( display(), composite_pixmap, gc, 0, 0, displayWidth(), displayHeight());
for( ToplevelList::ConstIterator it = windows.begin();
it != windows.end();
++it )
{
QRect r = (*it)->geometry().intersect( QRect( 0, 0, displayWidth(), displayHeight()));
if( !r.isEmpty())
{
XCopyArea( display(), (*it)->windowPixmap(), composite_pixmap, gc,
qMax( 0, -(*it)->x()), qMax( 0, -(*it)->y()), r.width(), r.height(), r.x(), r.y());
}
}
XCopyArea( display(), composite_pixmap, rootWindow(), gc, 0, 0, displayWidth(), displayHeight(), 0, 0 );
XFreeGC( display(), gc );
XFreePixmap( display(), composite_pixmap );
XFlush( display());
}
} // namespace