office-gobmx/vcl/source/outdev/pixel.cxx
Chris Sherlock 0901297902 vcl: create drawmode functions
Change-Id: I3cb0325dc16db84ad58de28aa9110e9c7a0b9697
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/115372
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
2021-08-24 12:12:11 +02:00

120 lines
3.3 KiB
C++

/* -*- 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 <drawmode.hxx>
#include <salgdi.hxx>
Color OutputDevice::GetPixel(const Point& rPoint) const
{
Color aColor;
if (mpGraphics || AcquireGraphics())
{
assert(mpGraphics);
if (mbInitClipRegion)
const_cast<OutputDevice*>(this)->InitClipRegion();
if (!mbOutputClipped)
{
const tools::Long nX = ImplLogicXToDevicePixel(rPoint.X());
const tools::Long nY = ImplLogicYToDevicePixel(rPoint.Y());
aColor = mpGraphics->GetPixel(nX, nY, *this);
if (mpAlphaVDev)
{
Color aAlphaColor = mpAlphaVDev->GetPixel(rPoint);
aColor.SetAlpha(255 - 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;
assert(mpGraphics);
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 = vcl::drawmode::GetLineColor(rColor, GetDrawMode(), GetSettings().GetStyleSettings());
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaPixelAction( rPt, aColor ) );
if ( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
return;
Point aPt = ImplLogicToDevicePixel( rPt );
if ( !mpGraphics && !AcquireGraphics() )
return;
assert(mpGraphics);
if ( mbInitClipRegion )
InitClipRegion();
if ( mbOutputClipped )
return;
mpGraphics->DrawPixel( aPt.X(), aPt.Y(), aColor, *this );
if (mpAlphaVDev)
{
Color aAlphaColor(255 - rColor.GetAlpha(), 255 - rColor.GetAlpha(), 255 - rColor.GetAlpha());
mpAlphaVDev->DrawPixel(rPt, aAlphaColor);
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */