106 lines
3.9 KiB
C++
106 lines
3.9 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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// oxygenshadowdemowidget.h
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// shadow demo widget
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// -------------------
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//
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// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//////////////////////////////////////////////////////////////////////////////
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#include "oxygenshadowdemowidget.h"
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#include "oxygenshadowdemowidget.moc"
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#include <QtGui/QPainter>
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namespace Oxygen
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{
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//______________________________________
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void ShadowDemoWidget::paintEvent( QPaintEvent* event )
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{
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if( !_tileSet.isValid() ) return;
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QPainter painter( this );
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painter.setClipRegion( event->region() );
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_tileSet.render( rect(), &painter );
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// draw background
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if( _drawBackground )
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{
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updateBackgroundPixmap();
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painter.translate( _shadowSize - 4, _shadowSize - 4 );
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painter.drawPixmap( QPoint(0,0), _backgroundPixmap );
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}
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}
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//______________________________________
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void ShadowDemoWidget::updateBackgroundPixmap( void )
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{
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// check if background pixmap needs update
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QRect backgroundRect( QPoint( 0, 0 ), size() - QSize( 2*(_shadowSize-4), 2*(_shadowSize-4) ) );
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if( !_backgroundPixmap.isNull() && _backgroundPixmap.size() == backgroundRect.size() )
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{ return; }
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_backgroundPixmap = QPixmap( backgroundRect.size() );
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_backgroundPixmap.fill( Qt::transparent );
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QPainter painter( &_backgroundPixmap );
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painter.setRenderHint( QPainter::Antialiasing );
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_dummy.resize( backgroundRect.size() );
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helper().renderWindowBackground(
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&painter, backgroundRect,
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&_dummy, &_dummy, palette().color( QPalette::Window ), 0, 64 );
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// float frame
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helper().drawFloatFrame( &painter, backgroundRect.adjusted( -1, -1, 1, 1 ), palette().color( QPalette::Window ), false );
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// add rounded mask
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painter.save();
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painter.setCompositionMode( QPainter::CompositionMode_DestinationIn );
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painter.setBrush( Qt::black );
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painter.setPen( Qt::NoPen );
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if( _square )
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{
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QRectF rectF( backgroundRect );
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QPainterPath path;
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// rotate counterclockwise, cause that makes angles easier
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path.moveTo( rectF.topLeft() + QPointF( 3.5, 0 ) );
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path.arcTo( QRectF( rectF.topLeft(), QSize( 7, 7 ) ), 90, 90 );
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path.lineTo( rectF.bottomLeft() );
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path.lineTo( rectF.bottomRight() );
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path.lineTo( rectF.topRight() + QPointF( 0, 3.5 ) );
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path.arcTo( QRectF( rectF.topRight() + QPointF( -7, 0 ), QSize( 7, 7 ) ), 0, 90 );
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path.lineTo( rectF.topLeft() + QPointF( 3.5, 0 ) );
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painter.drawPath( path );
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} else {
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painter.drawRoundedRect( QRectF( backgroundRect ), 3.5, 3.5 );
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}
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painter.restore();
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}
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}
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