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Diffstat (limited to 'vcl/source/outdev/curvedshapes.cxx')
| -rw-r--r-- | vcl/source/outdev/curvedshapes.cxx | 214 |
1 files changed, 214 insertions, 0 deletions
diff --git a/vcl/source/outdev/curvedshapes.cxx b/vcl/source/outdev/curvedshapes.cxx new file mode 100644 index 000000000..de7379dd3 --- /dev/null +++ b/vcl/source/outdev/curvedshapes.cxx @@ -0,0 +1,214 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <cassert> + +#include <vcl/gdimtf.hxx> +#include <vcl/metaact.hxx> +#include <vcl/outdev.hxx> +#include <vcl/virdev.hxx> + +#include <salgdi.hxx> + +void OutputDevice::DrawEllipse( const tools::Rectangle& rRect ) +{ + assert(!is_double_buffered_window()); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaEllipseAction( rRect ) ); + + if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() ) + return; + + tools::Rectangle aRect( ImplLogicToDevicePixel( rRect ) ); + if ( aRect.IsEmpty() ) + return; + + // we need a graphics + if ( !mpGraphics && !AcquireGraphics() ) + return; + assert(mpGraphics); + + if ( mbInitClipRegion ) + InitClipRegion(); + if ( mbOutputClipped ) + return; + + if ( mbInitLineColor ) + InitLineColor(); + + tools::Polygon aRectPoly( aRect.Center(), aRect.GetWidth() >> 1, aRect.GetHeight() >> 1 ); + if ( aRectPoly.GetSize() >= 2 ) + { + Point* pPtAry = aRectPoly.GetPointAry(); + if ( !mbFillColor ) + mpGraphics->DrawPolyLine( aRectPoly.GetSize(), pPtAry, *this ); + else + { + if ( mbInitFillColor ) + InitFillColor(); + mpGraphics->DrawPolygon( aRectPoly.GetSize(), pPtAry, *this ); + } + } + + if( mpAlphaVDev ) + mpAlphaVDev->DrawEllipse( rRect ); +} + +void OutputDevice::DrawArc( const tools::Rectangle& rRect, + const Point& rStartPt, const Point& rEndPt ) +{ + assert(!is_double_buffered_window()); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaArcAction( rRect, rStartPt, rEndPt ) ); + + if ( !IsDeviceOutputNecessary() || !mbLineColor || ImplIsRecordLayout() ) + return; + + tools::Rectangle aRect( ImplLogicToDevicePixel( rRect ) ); + if ( aRect.IsEmpty() ) + return; + + // we need a graphics + if ( !mpGraphics && !AcquireGraphics() ) + return; + assert(mpGraphics); + + if ( mbInitClipRegion ) + InitClipRegion(); + if ( mbOutputClipped ) + return; + + if ( mbInitLineColor ) + InitLineColor(); + + const Point aStart( ImplLogicToDevicePixel( rStartPt ) ); + const Point aEnd( ImplLogicToDevicePixel( rEndPt ) ); + tools::Polygon aArcPoly( aRect, aStart, aEnd, PolyStyle::Arc ); + + if ( aArcPoly.GetSize() >= 2 ) + { + Point* pPtAry = aArcPoly.GetPointAry(); + mpGraphics->DrawPolyLine( aArcPoly.GetSize(), pPtAry, *this ); + } + + if( mpAlphaVDev ) + mpAlphaVDev->DrawArc( rRect, rStartPt, rEndPt ); +} + +void OutputDevice::DrawPie( const tools::Rectangle& rRect, + const Point& rStartPt, const Point& rEndPt ) +{ + assert(!is_double_buffered_window()); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaPieAction( rRect, rStartPt, rEndPt ) ); + + if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() ) + return; + + tools::Rectangle aRect( ImplLogicToDevicePixel( rRect ) ); + if ( aRect.IsEmpty() ) + return; + + // we need a graphics + if ( !mpGraphics && !AcquireGraphics() ) + return; + assert(mpGraphics); + + if ( mbInitClipRegion ) + InitClipRegion(); + if ( mbOutputClipped ) + return; + + if ( mbInitLineColor ) + InitLineColor(); + + const Point aStart( ImplLogicToDevicePixel( rStartPt ) ); + const Point aEnd( ImplLogicToDevicePixel( rEndPt ) ); + tools::Polygon aPiePoly( aRect, aStart, aEnd, PolyStyle::Pie ); + + if ( aPiePoly.GetSize() >= 2 ) + { + Point* pPtAry = aPiePoly.GetPointAry(); + if ( !mbFillColor ) + mpGraphics->DrawPolyLine( aPiePoly.GetSize(), pPtAry, *this ); + else + { + if ( mbInitFillColor ) + InitFillColor(); + mpGraphics->DrawPolygon( aPiePoly.GetSize(), pPtAry, *this ); + } + } + + if( mpAlphaVDev ) + mpAlphaVDev->DrawPie( rRect, rStartPt, rEndPt ); +} + +void OutputDevice::DrawChord( const tools::Rectangle& rRect, + const Point& rStartPt, const Point& rEndPt ) +{ + assert(!is_double_buffered_window()); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaChordAction( rRect, rStartPt, rEndPt ) ); + + if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || ImplIsRecordLayout() ) + return; + + tools::Rectangle aRect( ImplLogicToDevicePixel( rRect ) ); + if ( aRect.IsEmpty() ) + return; + + // we need a graphics + if ( !mpGraphics && !AcquireGraphics() ) + return; + assert(mpGraphics); + + if ( mbInitClipRegion ) + InitClipRegion(); + if ( mbOutputClipped ) + return; + + if ( mbInitLineColor ) + InitLineColor(); + + const Point aStart( ImplLogicToDevicePixel( rStartPt ) ); + const Point aEnd( ImplLogicToDevicePixel( rEndPt ) ); + tools::Polygon aChordPoly( aRect, aStart, aEnd, PolyStyle::Chord ); + + if ( aChordPoly.GetSize() >= 2 ) + { + Point* pPtAry = aChordPoly.GetPointAry(); + if ( !mbFillColor ) + mpGraphics->DrawPolyLine( aChordPoly.GetSize(), pPtAry, *this ); + else + { + if ( mbInitFillColor ) + InitFillColor(); + mpGraphics->DrawPolygon( aChordPoly.GetSize(), pPtAry, *this ); + } + } + + if( mpAlphaVDev ) + mpAlphaVDev->DrawChord( rRect, rStartPt, rEndPt ); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |