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, 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: */