Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/vcl/backendtest/outputdevice/polypolygon.cxx b/vcl/backendtest/outputdevice/polypolygon.cxx
new file mode 100644
index 000000000..a53acbaf7
--- /dev/null
+++ b/vcl/backendtest/outputdevice/polypolygon.cxx
@@ -0,0 +1,72 @@
+/* -*- 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: */