kwin/effects/scalein.cpp

82 lines
2.4 KiB
C++

/********************************************************************
KWin - the KDE window manager
This file is part of the KDE project.
Copyright (C) 2006 Lubos Lunak <l.lunak@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#include "scalein.h"
namespace KWin
{
KWIN_EFFECT( scalein, ScaleInEffect )
void ScaleInEffect::prePaintScreen( ScreenPrePaintData& data, int time )
{
if( !windows.isEmpty())
data.mask |= PAINT_SCREEN_WITH_TRANSFORMED_WINDOWS;
effects->prePaintScreen( data, time );
}
void ScaleInEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, int time )
{
if( windows.contains( w ))
{
windows[ w ] += time / 300.; // complete change in 300ms
if( windows[ w ] < 1 )
data.setTransformed();
else
windows.remove( w );
}
effects->prePaintWindow( w, data, time );
}
void ScaleInEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
{
if( windows.contains( w ))
{
data.xScale *= windows[ w ];
data.yScale *= windows[ w ];
data.xTranslate += int( w->width() / 2 * ( 1 - windows[ w ] ));
data.yTranslate += int( w->height() / 2 * ( 1 - windows[ w ] ));
}
effects->paintWindow( w, mask, region, data );
}
void ScaleInEffect::postPaintWindow( EffectWindow* w )
{
if( windows.contains( w ))
w->addRepaintFull(); // trigger next animation repaint
effects->postPaintWindow( w );
}
void ScaleInEffect::windowAdded( EffectWindow* c )
{
if( c->isOnCurrentDesktop())
{
windows[ c ] = 0;
c->addRepaintFull();
}
}
void ScaleInEffect::windowClosed( EffectWindow* c )
{
windows.remove( c );
}
} // namespace