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/* -*- 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/.
*
*/
#include <test/outputdevice.hxx>
namespace vcl::test {
namespace
{
tools::Polygon createPolygonOffset(tools::Rectangle const & rRect, int nOffset, int nFix = 0)
{
// Note: According to https://lists.freedesktop.org/archives/libreoffice/2019-November/083709.html
// filling polygons always skips the right-most and bottom-most pixels, in order to avoid
// overlaps when drawing adjacent polygons. Specifying nFix = 1 allows to visually compensate
// for this by making the polygon explicitly larger.
tools::Polygon aPolygon(4);
aPolygon.SetPoint(Point(rRect.Left() + nOffset, rRect.Top() + nOffset), 0);
aPolygon.SetPoint(Point(rRect.Right() - nOffset + nFix, rRect.Top() + nOffset), 1);
aPolygon.SetPoint(Point(rRect.Right() - nOffset + nFix, rRect.Bottom() - nOffset + nFix), 2);
aPolygon.SetPoint(Point(rRect.Left() + nOffset, rRect.Bottom() - nOffset + nFix), 3);
aPolygon.Optimize(PolyOptimizeFlags::CLOSE);
return aPolygon;
}
} // end anonymous namespace
Bitmap OutputDeviceTestPolyPolygon::setupRectangle(bool bEnableAA)
{
initialSetup(13, 13, constBackgroundColor, bEnableAA);
mpVirtualDevice->SetLineColor(constLineColor);
mpVirtualDevice->SetFillColor();
tools::PolyPolygon aPolyPolygon(2);
aPolyPolygon.Insert(createPolygonOffset(maVDRectangle, 2));
aPolyPolygon.Insert(createPolygonOffset(maVDRectangle, 5));
mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
}
Bitmap OutputDeviceTestPolyPolygon::setupFilledRectangle(bool useLineColor)
{
initialSetup(13, 13, constBackgroundColor);
if(useLineColor)
mpVirtualDevice->SetLineColor(constLineColor);
else
mpVirtualDevice->SetLineColor();
mpVirtualDevice->SetFillColor(constFillColor);
tools::PolyPolygon aPolyPolygon(1);
aPolyPolygon.Insert(createPolygonOffset(maVDRectangle, 2, useLineColor ? 0 : 1));
mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
}
} // end namespace vcl::test
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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