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Diffstat (limited to 'vcl/backendtest/outputdevice/polypolygon_b2d.cxx')
| -rw-r--r-- | vcl/backendtest/outputdevice/polypolygon_b2d.cxx | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/vcl/backendtest/outputdevice/polypolygon_b2d.cxx b/vcl/backendtest/outputdevice/polypolygon_b2d.cxx new file mode 100644 index 000000000..59391abe1 --- /dev/null +++ b/vcl/backendtest/outputdevice/polypolygon_b2d.cxx @@ -0,0 +1,199 @@ +/* -*- 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 +{ +basegfx::B2DPolygon 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. + int nMidOffset = rRect.GetWidth() / 2; + basegfx::B2DPolygon aPolygon{ + basegfx::B2DPoint(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Top() + nOffset - 1), + basegfx::B2DPoint(rRect.Right() - nMidOffset - nOffset / 3 + nFix, + rRect.Top() + nOffset - 1), + basegfx::B2DPoint(rRect.Right() - nMidOffset - nOffset / 3 + nFix, + rRect.Bottom() - nOffset + 1 + nFix), + basegfx::B2DPoint(rRect.Left() + nOffset - (nOffset + 1) / 2, + rRect.Bottom() - nOffset + 1 + nFix), + }; + aPolygon.setClosed(true); + return aPolygon; +} + +} // end anonymous namespace + +Bitmap OutputDeviceTestPolyPolygonB2D::setupRectangle(bool bEnableAA) +{ + initialSetup(13, 13, constBackgroundColor, bEnableAA); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + basegfx::B2DPolyPolygon aPolyPolygon; + aPolyPolygon.append(createPolygonOffset(maVDRectangle, 2)); + aPolyPolygon.append(createPolygonOffset(maVDRectangle, 5)); + + mpVirtualDevice->DrawPolyPolygon(aPolyPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolyPolygonB2D::setupFilledRectangle(bool useLineColor) +{ + initialSetup(13, 13, constBackgroundColor); + + if (useLineColor) + mpVirtualDevice->SetLineColor(constLineColor); + else + mpVirtualDevice->SetLineColor(); + mpVirtualDevice->SetFillColor(constFillColor); + + basegfx::B2DPolyPolygon aPolyPolygon( + createPolygonOffset(maVDRectangle, 2, useLineColor ? 0 : 1)); + + mpVirtualDevice->DrawPolyPolygon(aPolyPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolyPolygonB2D::setupIntersectingRectangles() +{ + initialSetup(24, 24, constBackgroundColor); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(constFillColor); + + basegfx::B2DPolyPolygon aPolyPolygon; + + int nOffset = 2, nFix = 1; + basegfx::B2DPolygon aPolygon1, aPolygon2, aPolygon3, aPolygon4; + + /* + The intersection between different rectangles has been + achieved by stacking them on top of each other and decreasing and + increasing the top and bottom offset accordingly to the rectangle + keeping the left and the right offset intact which in turn coalesced + them to each other helping in achieving multiple intersecting rectangles. + The desired color fill pattern is then achieved by setting the fill + color which in turn would fill the shape with the provided color + in accordance to the even-odd filling rule. + */ + + //Rect - 1 + aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Top() + (nOffset - 1) + nFix)); + aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Top() + (nOffset - 1) + nFix)); + aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Bottom() - (nOffset + 8) + nFix)); + aPolygon1.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Bottom() - (nOffset + 8) + nFix)); + aPolygon1.setClosed(true); + aPolyPolygon.append(aPolygon1); + + //Rect - 2 + aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Top() + (nOffset + 2) + nFix)); + aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Top() + (nOffset + 2) + nFix)); + aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Bottom() - (nOffset + 5) + nFix)); + aPolygon2.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Bottom() - (nOffset + 5) + nFix)); + aPolygon2.setClosed(true); + aPolyPolygon.append(aPolygon2); + + //Rect - 3 + aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Top() + (nOffset + 5) + nFix)); + aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Top() + (nOffset + 5) + nFix)); + aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Bottom() - (nOffset + 2) + nFix)); + aPolygon3.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Bottom() - (nOffset + 2) + nFix)); + aPolygon3.setClosed(true); + aPolyPolygon.append(aPolygon3); + + //Rect - 4 + aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Top() + (nOffset + 8) + nFix)); + aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Top() + (nOffset + 8) + nFix)); + aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Right() - (nOffset + 2) + nFix, + maVDRectangle.Bottom() - nOffset + nFix)); + aPolygon4.append(basegfx::B2DPoint(maVDRectangle.Left() + nOffset + nFix, + maVDRectangle.Bottom() - nOffset + nFix)); + aPolygon4.setClosed(true); + aPolyPolygon.append(aPolygon4); + + mpVirtualDevice->DrawPolyPolygon(aPolyPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolyPolygonB2D::setupRectangleOnSize1028() +{ + initialSetup(1028, 1028, constBackgroundColor); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + basegfx::B2DPolyPolygon aPolyPolygon; + aPolyPolygon.append(createPolygonOffset(maVDRectangle, 2)); + aPolyPolygon.append(createPolygonOffset(maVDRectangle, 5)); + + mpVirtualDevice->DrawPolyPolygon(aPolyPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolyPolygonB2D::setupRectangleOnSize4096() +{ + initialSetup(4096, 4096, constBackgroundColor); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + basegfx::B2DPolyPolygon aPolyPolygon; + aPolyPolygon.append(createPolygonOffset(maVDRectangle, 2)); + aPolyPolygon.append(createPolygonOffset(maVDRectangle, 5)); + + mpVirtualDevice->DrawPolyPolygon(aPolyPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +Bitmap OutputDeviceTestPolyPolygonB2D::setupOpenPolygon() +{ + initialSetup(21, 21, constBackgroundColor); + + mpVirtualDevice->SetLineColor(constLineColor); + mpVirtualDevice->SetFillColor(); + + basegfx::B2DPolyPolygon aPolyPolygon; + aPolyPolygon.append(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle)); + aPolyPolygon.append(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle, 7)); + + mpVirtualDevice->DrawPolyPolygon(aPolyPolygon); + + return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize()); +} + +} // end namespace vcl::test + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |