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Diffstat (limited to 'vcl/backendtest/outputdevice/polygon.cxx')
| -rw-r--r-- | vcl/backendtest/outputdevice/polygon.cxx | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/vcl/backendtest/outputdevice/polygon.cxx b/vcl/backendtest/outputdevice/polygon.cxx new file mode 100644 index 000000000..8d207ade9 --- /dev/null +++ b/vcl/backendtest/outputdevice/polygon.cxx @@ -0,0 +1,157 @@ +/* -*- 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 +{ + +void drawPolygonOffset(OutputDevice& rDevice, 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); + + rDevice.DrawPolygon(aPolygon); +} + +} // end anonymous namespace + +Bitmap OutputDeviceTestPolygon::setupRectangle(bool bEnableAA) +{ + initialSetup(13, 13, constBackgroundColor, bEnableAA); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + drawPolygonOffset(*mpVirtualDevice, maVDRectangle, 2); + drawPolygonOffset(*mpVirtualDevice, maVDRectangle, 5); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolygon::setupFilledRectangle(bool useLineColor) +{ + initialSetup(13, 13, constBackgroundColor); + + if(useLineColor) + mpVirtualDevice->SetLineColor(constLineColor); + else + mpVirtualDevice->SetLineColor(); + mpVirtualDevice->SetFillColor(constFillColor); + drawPolygonOffset(*mpVirtualDevice, maVDRectangle, 2, useLineColor ? 0 : 1); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolygon::setupDiamond() +{ + initialSetup(11, 11, constBackgroundColor); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + Point aPoint1, aPoint2, aPoint3, aPoint4; + OutputDeviceTestCommon::createDiamondPoints(maVDRectangle, 4, aPoint1, aPoint2, aPoint3, aPoint4); + + tools::Polygon aPolygon(4); + + aPolygon.SetPoint(aPoint1, 0); + aPolygon.SetPoint(aPoint2, 1); + aPolygon.SetPoint(aPoint3, 2); + aPolygon.SetPoint(aPoint4, 3); + aPolygon.Optimize(PolyOptimizeFlags::CLOSE); + + mpVirtualDevice->DrawPolygon(aPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolygon::setupLines() +{ + initialSetup(13, 13, constBackgroundColor); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + Point aHorizontalLinePoint1, aHorizontalLinePoint2; + Point aVerticalLinePoint1, aVerticalLinePoint2; + Point aDiagonalLinePoint1, aDiagonalLinePoint2; + + OutputDeviceTestCommon::createHorizontalVerticalDiagonalLinePoints( + maVDRectangle, aHorizontalLinePoint1, aHorizontalLinePoint2, + aVerticalLinePoint1, aVerticalLinePoint2, + aDiagonalLinePoint1, aDiagonalLinePoint2); + + tools::Polygon aHorizontalPolygon(2); + aHorizontalPolygon.SetPoint(aHorizontalLinePoint1, 0); + aHorizontalPolygon.SetPoint(aHorizontalLinePoint2, 1); + mpVirtualDevice->DrawPolygon(aHorizontalPolygon); + + tools::Polygon aVerticalPolygon(2); + aVerticalPolygon.SetPoint(aVerticalLinePoint1, 0); + aVerticalPolygon.SetPoint(aVerticalLinePoint2, 1); + mpVirtualDevice->DrawPolygon(aVerticalPolygon); + + tools::Polygon aDiagonalPolygon(2); + aDiagonalPolygon.SetPoint(aDiagonalLinePoint1, 0); + aDiagonalPolygon.SetPoint(aDiagonalLinePoint2, 1); + mpVirtualDevice->DrawPolygon(aDiagonalPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolygon::setupAALines() +{ + initialSetup(13, 13, constBackgroundColor); + + mpVirtualDevice->SetAntialiasing(AntialiasingFlags::EnableB2dDraw); + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + Point aHorizontalLinePoint1, aHorizontalLinePoint2; + Point aVerticalLinePoint1, aVerticalLinePoint2; + Point aDiagonalLinePoint1, aDiagonalLinePoint2; + + OutputDeviceTestCommon::createHorizontalVerticalDiagonalLinePoints( + maVDRectangle, aHorizontalLinePoint1, aHorizontalLinePoint2, + aVerticalLinePoint1, aVerticalLinePoint2, + aDiagonalLinePoint1, aDiagonalLinePoint2); + + tools::Polygon aHorizontalPolygon(2); + aHorizontalPolygon.SetPoint(aHorizontalLinePoint1, 0); + aHorizontalPolygon.SetPoint(aHorizontalLinePoint2, 1); + mpVirtualDevice->DrawPolygon(aHorizontalPolygon); + + tools::Polygon aVerticalPolygon(2); + aVerticalPolygon.SetPoint(aVerticalLinePoint1, 0); + aVerticalPolygon.SetPoint(aVerticalLinePoint2, 1); + mpVirtualDevice->DrawPolygon(aVerticalPolygon); + + tools::Polygon aDiagonalPolygon(2); + aDiagonalPolygon.SetPoint(aDiagonalLinePoint1, 0); + aDiagonalPolygon.SetPoint(aDiagonalLinePoint2, 1); + mpVirtualDevice->DrawPolygon(aDiagonalPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +} // end namespace vcl::test + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |