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Diffstat (limited to 'vcl/source/outdev/pixel.cxx')
-rw-r--r-- | vcl/source/outdev/pixel.cxx | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/vcl/source/outdev/pixel.cxx b/vcl/source/outdev/pixel.cxx new file mode 100644 index 000000000..0a80a8f1e --- /dev/null +++ b/vcl/source/outdev/pixel.cxx @@ -0,0 +1,116 @@ +/* -*- 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> + +Color OutputDevice::GetPixel(const Point& rPoint) const +{ + Color aColor; + + if (mpGraphics || AcquireGraphics()) + { + if (mbInitClipRegion) + const_cast<OutputDevice*>(this)->InitClipRegion(); + + if (!mbOutputClipped) + { + const long nX = ImplLogicXToDevicePixel(rPoint.X()); + const long nY = ImplLogicYToDevicePixel(rPoint.Y()); + aColor = mpGraphics->GetPixel(nX, nY, this); + + if (mpAlphaVDev) + { + Color aAlphaColor = mpAlphaVDev->GetPixel(rPoint); + aColor.SetTransparency(aAlphaColor.GetBlue()); + } + } + } + return aColor; +} + +void OutputDevice::DrawPixel( const Point& rPt ) +{ + assert(!is_double_buffered_window()); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaPointAction( rPt ) ); + + if ( !IsDeviceOutputNecessary() || !mbLineColor || ImplIsRecordLayout() ) + return; + + Point aPt = ImplLogicToDevicePixel( rPt ); + + if ( !mpGraphics && !AcquireGraphics() ) + return; + + if ( mbInitClipRegion ) + InitClipRegion(); + + if ( mbOutputClipped ) + return; + + if ( mbInitLineColor ) + InitLineColor(); + + mpGraphics->DrawPixel( aPt.X(), aPt.Y(), this ); + + if( mpAlphaVDev ) + mpAlphaVDev->DrawPixel( rPt ); +} + +void OutputDevice::DrawPixel( const Point& rPt, const Color& rColor ) +{ + assert(!is_double_buffered_window()); + + Color aColor = ImplDrawModeToColor( rColor ); + + if ( mpMetaFile ) + mpMetaFile->AddAction( new MetaPixelAction( rPt, aColor ) ); + + if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() ) + return; + + Point aPt = ImplLogicToDevicePixel( rPt ); + + if ( !mpGraphics && !AcquireGraphics() ) + return; + + if ( mbInitClipRegion ) + InitClipRegion(); + + if ( mbOutputClipped ) + return; + + mpGraphics->DrawPixel( aPt.X(), aPt.Y(), aColor, this ); + + if (mpAlphaVDev) + { + Color aAlphaColor(rColor.GetTransparency(), rColor.GetTransparency(), rColor.GetTransparency()); + mpAlphaVDev->DrawPixel(rPt, aAlphaColor); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |