Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

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

1 files changed, 212 insertions, 0 deletions

diff --git a/vcl/backendtest/outputdevice/polypolygon.cxx b/vcl/backendtest/outputdevice/polypolygon.cxx
new file mode 100644
index 000000000..e1abb2f90
--- /dev/null
+++ b/vcl/backendtest/outputdevice/polypolygon.cxx
@@ -0,0 +1,212 @@
+/* -*- 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);
+    int nMidOffset = rRect.GetWidth() / 2;
+    aPolygon.SetPoint(Point(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Top() + nOffset - 1),
+                      0);
+    aPolygon.SetPoint(
+        Point(rRect.Right() - nMidOffset + nFix - nOffset / 3, rRect.Top() + nOffset - 1), 1);
+    aPolygon.SetPoint(
+        Point(rRect.Right() - nMidOffset + nFix - nOffset / 3, rRect.Bottom() - nOffset + nFix + 1),
+        2);
+    aPolygon.SetPoint(
+        Point(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Bottom() - nOffset + nFix + 1), 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());
+}
+
+Bitmap OutputDeviceTestPolyPolygon::setupIntersectingRectangles()
+{
+    initialSetup(24, 24, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor(constFillColor);
+
+    tools::PolyPolygon aPolyPolygon(4);
+
+    int nOffset = 2, nFix = 1;
+    tools::Polygon aPolygon1(4), aPolygon2(4), aPolygon3(4), aPolygon4(4);
+
+    /*
+        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.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Top() + (nOffset - 1) + nFix),
+        0);
+    aPolygon1.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Top() + (nOffset - 1) + nFix),
+                       1);
+    aPolygon1.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Bottom() - (nOffset + 8) + nFix),
+                       2);
+    aPolygon1.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Bottom() - (nOffset + 8) + nFix),
+        3);
+    aPolyPolygon.Insert(aPolygon1);
+
+    //Rect - 2
+    aPolygon2.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Top() + (nOffset + 2) + nFix),
+        0);
+    aPolygon2.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Top() + (nOffset + 2) + nFix),
+                       1);
+    aPolygon2.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Bottom() - (nOffset + 5) + nFix),
+                       2);
+    aPolygon2.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Bottom() - (nOffset + 5) + nFix),
+        3);
+    aPolyPolygon.Insert(aPolygon2);
+
+    //Rect - 3
+    aPolygon3.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Top() + (nOffset + 5) + nFix),
+        0);
+    aPolygon3.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Top() + (nOffset + 5) + nFix),
+                       1);
+    aPolygon3.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Bottom() - (nOffset + 2) + nFix),
+                       2);
+    aPolygon3.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Bottom() - (nOffset + 2) + nFix),
+        3);
+    aPolyPolygon.Insert(aPolygon3);
+
+    //Rect - 4
+    aPolygon4.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Top() + (nOffset + 8) + nFix),
+        0);
+    aPolygon4.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Top() + (nOffset + 8) + nFix),
+                       1);
+    aPolygon4.SetPoint(Point(maVDRectangle.Right() - (nOffset + 2) + nFix,
+                             maVDRectangle.Bottom() - nOffset + nFix),
+                       2);
+    aPolygon4.SetPoint(
+        Point(maVDRectangle.Left() + nOffset + nFix, maVDRectangle.Bottom() - nOffset + nFix), 3);
+    aPolyPolygon.Insert(aPolygon4);
+
+    mpVirtualDevice->DrawPolyPolygon(aPolyPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyPolygon::setupRectangleOnSize1028()
+{
+    initialSetup(1028, 1028, constBackgroundColor);
+
+    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::setupRectangleOnSize4096()
+{
+    initialSetup(4096, 4096, constBackgroundColor);
+
+    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::setupOpenPolygon()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    tools::PolyPolygon aPolyPolygon;
+    aPolyPolygon.Insert(tools::Polygon(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle)));
+    aPolyPolygon.Insert(
+        tools::Polygon(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: */