Adding upstream version 4:24.2.0.upstream/4%24.2.0

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

14 files changed, 3814 insertions, 0 deletions

diff --git a/vcl/backendtest/outputdevice/bitmap.cxx b/vcl/backendtest/outputdevice/bitmap.cxx
new file mode 100644
index 0000000000..517be3968e
--- /dev/null
+++ b/vcl/backendtest/outputdevice/bitmap.cxx
@@ -0,0 +1,180 @@
+/* -*- 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>
+#include <vcl/bitmapex.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <vcl/BitmapWriteAccess.hxx>
+
+namespace vcl::test {
+
+Bitmap OutputDeviceTestBitmap::setupDrawTransformedBitmap(vcl::PixelFormat aBitmapFormat,bool isBitmapGreyScale)
+{
+    Size aBitmapSize(9, 9);
+    Bitmap aBitmap(aBitmapSize, aBitmapFormat);
+    {
+        BitmapScopedWriteAccess aWriteAccess(aBitmap);
+        aWriteAccess->Erase(constFillColor);
+        aWriteAccess->SetLineColor(COL_YELLOW);
+        aWriteAccess->DrawRect(tools::Rectangle(0, 0,  8, 8));
+        aWriteAccess->DrawRect(tools::Rectangle(2, 2,  6, 6));
+    }
+
+    if (isBitmapGreyScale)
+        aBitmap.Convert(BmpConversion::N8BitGreys);
+
+    initialSetup(13, 13, constBackgroundColor);
+
+    basegfx::B2DHomMatrix aTransform;
+    aTransform.scale(aBitmapSize.Width(), aBitmapSize.Height());
+    aTransform.translate((maVDRectangle.GetWidth()  / 2.0) - (aBitmapSize.Width() / 2.0),
+                         (maVDRectangle.GetHeight() / 2.0) - (aBitmapSize.Height() / 2.0));
+
+    mpVirtualDevice->DrawTransformedBitmapEx(aTransform, BitmapEx(aBitmap));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+
+Bitmap OutputDeviceTestBitmap::setupComplexDrawTransformedBitmap(vcl::PixelFormat aBitmapFormat,bool isBitmapGreyScale)
+{
+    Size aBitmapSize(6, 6);
+    Bitmap aBitmap(aBitmapSize, aBitmapFormat);
+    aBitmap.Erase(constFillColor);
+
+    if (isBitmapGreyScale)
+        aBitmap.Convert(BmpConversion::N8BitGreys);
+
+    initialSetup(17, 14, constBackgroundColor);
+
+    basegfx::B2DHomMatrix aTransform;
+    aTransform.shearX(0.25);
+    aTransform.scale(aBitmapSize.Width() * 2, aBitmapSize.Height() * 2);
+    aTransform.translate(1, 1);
+
+    mpVirtualDevice->DrawTransformedBitmapEx(aTransform, BitmapEx(aBitmap));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+
+Bitmap OutputDeviceTestBitmap::setupDrawBitmap(vcl::PixelFormat aBitmapFormat,bool isBitmapGreyScale)
+{
+    Size aBitmapSize(9, 9);
+    Bitmap aBitmap(aBitmapSize, aBitmapFormat);
+    {
+        BitmapScopedWriteAccess aWriteAccess(aBitmap);
+        aWriteAccess->Erase(constFillColor);
+        aWriteAccess->SetLineColor(COL_YELLOW);
+        aWriteAccess->DrawRect(tools::Rectangle(0, 0,  8, 8));
+        aWriteAccess->DrawRect(tools::Rectangle(2, 2,  6, 6));
+    }
+
+    if (isBitmapGreyScale)
+        aBitmap.Convert(BmpConversion::N8BitGreys);
+
+    initialSetup(13, 13, constBackgroundColor);
+
+    Point aPoint((maVDRectangle.GetWidth()  / 2.0) - (aBitmapSize.Width() / 2.0),
+                 (maVDRectangle.GetHeight() / 2.0) - (aBitmapSize.Height() / 2.0));
+
+    mpVirtualDevice->DrawBitmapEx(aPoint, BitmapEx(aBitmap));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestBitmap::setupDrawBitmapExWithAlpha(vcl::PixelFormat aBitmapFormat)
+{
+    Size aBitmapSize(9, 9);
+    Bitmap aBitmap(aBitmapSize, aBitmapFormat);
+    {
+        BitmapScopedWriteAccess aWriteAccess(aBitmap);
+        aWriteAccess->Erase(COL_WHITE);
+        aWriteAccess->SetLineColor(Color(0xFF, 0xFF, 0x00));
+        aWriteAccess->DrawRect(tools::Rectangle(0, 0, 8, 8));
+        aWriteAccess->DrawRect(tools::Rectangle(3, 3, 5, 5));
+    }
+
+    AlphaMask aAlpha(aBitmapSize);
+    {
+        BitmapScopedWriteAccess aWriteAccess(aAlpha);
+        aWriteAccess->Erase(COL_ALPHA_TRANSPARENT);
+        aWriteAccess->SetLineColor(Color(0xBB, 0xBB, 0xBB));
+        aWriteAccess->DrawRect(tools::Rectangle(0, 0, 8, 8));
+        aWriteAccess->DrawRect(tools::Rectangle(3, 3, 5, 5));
+    }
+
+    initialSetup(13, 13, constBackgroundColor);
+
+    Point aPoint(alignToCenter(maVDRectangle, tools::Rectangle(Point(), aBitmapSize)).TopLeft());
+
+    mpVirtualDevice->DrawBitmapEx(aPoint, BitmapEx(aBitmap, aAlpha));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestBitmap::setupDrawMask(vcl::PixelFormat aBitmapFormat)
+{
+    Size aBitmapSize(9, 9);
+    Bitmap aBitmap(aBitmapSize, aBitmapFormat);
+    {
+        BitmapScopedWriteAccess aWriteAccess(aBitmap);
+        aWriteAccess->Erase(COL_WHITE);
+        aWriteAccess->SetLineColor(COL_BLACK);
+        aWriteAccess->DrawRect(tools::Rectangle(0, 0,  8, 8));
+        aWriteAccess->DrawRect(tools::Rectangle(3, 3,  5, 5));
+    }
+
+    initialSetup(13, 13, constBackgroundColor);
+
+    mpVirtualDevice->DrawMask(Point(2, 2), aBitmap, constLineColor);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+BitmapEx OutputDeviceTestBitmap::setupDrawBlend(vcl::PixelFormat aBitmapFormat)
+{
+    Size aBitmapSize(9, 9);
+    Bitmap aBitmap(aBitmapSize, aBitmapFormat);
+    {
+        BitmapScopedWriteAccess aWriteAccess(aBitmap);
+        aWriteAccess->Erase(COL_WHITE);
+        aWriteAccess->SetLineColor(Color(0xFF, 0xFF, 0x00));
+        aWriteAccess->DrawRect(tools::Rectangle(0, 0,  8, 8));
+        aWriteAccess->DrawRect(tools::Rectangle(3, 3,  5, 5));
+    }
+
+    AlphaMask aAlpha(aBitmapSize);
+    {
+        BitmapScopedWriteAccess aWriteAccess(aAlpha);
+        aWriteAccess->Erase(COL_ALPHA_TRANSPARENT);
+        aWriteAccess->SetLineColor(Color(0xBB, 0xBB, 0xBB));
+        aWriteAccess->DrawRect(tools::Rectangle(0, 0, 8, 8));
+        aWriteAccess->DrawRect(tools::Rectangle(3, 3, 5, 5));
+    }
+
+    initialSetup(13, 13, COL_TRANSPARENT, false, true);
+    mpVirtualDevice->SetFillColor(constBackgroundColor);
+    mpVirtualDevice->SetLineColor(constBackgroundColor);
+    // Leave the outer part of the device transparent, the inner part set to the background color.
+    // This will test blending of VirtualDevice's "alpha" device (outer yellow rectangle
+    // will be blended with transparent background, inner with the grey one).
+    mpVirtualDevice->DrawRect( tools::Rectangle( Point( 3, 3 ), Size( 7, 7 )));
+
+    Point aPoint(alignToCenter(maVDRectangle, tools::Rectangle(Point(), aBitmapSize)).TopLeft());
+
+    mpVirtualDevice->DrawBitmapEx(aPoint, BitmapEx(aBitmap, aAlpha));
+
+    return mpVirtualDevice->GetBitmapEx(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/clip.cxx b/vcl/backendtest/outputdevice/clip.cxx
new file mode 100644
index 0000000000..495b43b6f1
--- /dev/null
+++ b/vcl/backendtest/outputdevice/clip.cxx
@@ -0,0 +1,82 @@
+/* -*- 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
+{
+Bitmap OutputDeviceTestClip::setupClipRectangle()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.shrink(2);
+    mpVirtualDevice->SetClipRegion(vcl::Region(rectangle));
+    mpVirtualDevice->SetBackground(constFillColor);
+    mpVirtualDevice->Erase(maVDRectangle);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestClip::setupClipPolygon()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.shrink(2);
+    mpVirtualDevice->SetClipRegion(vcl::Region(tools::Polygon(rectangle)));
+    mpVirtualDevice->SetBackground(constFillColor);
+    mpVirtualDevice->Erase(maVDRectangle);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestClip::setupClipPolyPolygon()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.shrink(2);
+    mpVirtualDevice->SetClipRegion(vcl::Region(tools::PolyPolygon(rectangle)));
+    mpVirtualDevice->SetBackground(constFillColor);
+    mpVirtualDevice->Erase(maVDRectangle);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestClip::setupClipB2DPolyPolygon()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.shrink(2);
+    mpVirtualDevice->SetClipRegion(vcl::Region(basegfx::B2DPolyPolygon(basegfx::B2DPolygon{
+        basegfx::B2DPoint(rectangle.Left(), rectangle.Top()),
+        basegfx::B2DPoint(rectangle.Left(), rectangle.Bottom()),
+        basegfx::B2DPoint(rectangle.Right(), rectangle.Bottom()),
+        basegfx::B2DPoint(rectangle.Right(), rectangle.Top()),
+    })));
+    mpVirtualDevice->SetBackground(constFillColor);
+    mpVirtualDevice->Erase(maVDRectangle);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+TestResult OutputDeviceTestClip::checkClip(Bitmap& aBitmap)
+{
+    std::vector<Color> aExpected{ constBackgroundColor, constBackgroundColor, constFillColor,
+                                  constFillColor,       constFillColor,       constFillColor,
+                                  constFillColor };
+    return checkRectangles(aBitmap, aExpected);
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/common.cxx b/vcl/backendtest/outputdevice/common.cxx
new file mode 100644
index 0000000000..bd8b905f64
--- /dev/null
+++ b/vcl/backendtest/outputdevice/common.cxx
@@ -0,0 +1,1668 @@
+/* -*- 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>
+
+#include <vcl/BitmapWriteAccess.hxx>
+#include <salgdi.hxx>
+
+#include <map>
+
+namespace vcl::test {
+
+namespace
+{
+
+
+int deltaColor(BitmapColor aColor1, BitmapColor aColor2)
+{
+    int deltaR = std::abs(aColor1.GetRed()   - aColor2.GetRed());
+    int deltaG = std::abs(aColor1.GetGreen() - aColor2.GetGreen());
+    int deltaB = std::abs(aColor1.GetBlue()  - aColor2.GetBlue());
+
+    return std::max(std::max(deltaR, deltaG), deltaB);
+}
+
+void checkValue(BitmapScopedWriteAccess& pAccess, int x, int y, Color aExpected,
+                      int& nNumberOfQuirks, int& nNumberOfErrors, bool bQuirkMode, int nColorDeltaThresh = 0)
+{
+    const bool bColorize = false;
+    Color aColor = pAccess->GetPixel(y, x);
+    int nColorDelta = deltaColor(aColor, aExpected);
+
+    if (nColorDelta <= nColorDeltaThresh)
+    {
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_LIGHTGREEN);
+    }
+    else if (bQuirkMode)
+    {
+        nNumberOfQuirks++;
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_YELLOW);
+    }
+    else
+    {
+        nNumberOfErrors++;
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_LIGHTRED);
+    }
+}
+
+void checkValue(BitmapScopedWriteAccess& pAccess, const Point& point, Color aExpected,
+                      int& nNumberOfQuirks, int& nNumberOfErrors, bool bQuirkMode, int nColorDeltaThresh = 0)
+{
+    checkValue(pAccess, point.getX(), point.getY(), aExpected, nNumberOfQuirks, nNumberOfErrors, bQuirkMode, nColorDeltaThresh);
+}
+
+void checkValue(BitmapScopedWriteAccess& pAccess, int x, int y, Color aExpected,
+                      int& nNumberOfQuirks, int& nNumberOfErrors, int nColorDeltaThresh, int nColorDeltaThreshQuirk = 0)
+{
+    const bool bColorize = false;
+    Color aColor = pAccess->GetPixel(y, x);
+    int nColorDelta = deltaColor(aColor, aExpected);
+    nColorDeltaThreshQuirk = std::max( nColorDeltaThresh, nColorDeltaThreshQuirk);
+
+    if (nColorDelta <= nColorDeltaThresh)
+    {
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_LIGHTGREEN);
+    }
+    else if (nColorDelta <= nColorDeltaThreshQuirk)
+    {
+        nNumberOfQuirks++;
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_YELLOW);
+    }
+    else
+    {
+        nNumberOfErrors++;
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_LIGHTRED);
+    }
+}
+
+char returnDominantColor(Color aColor)
+{
+    int aRed = aColor.GetRed();
+    int aGreen = aColor.GetGreen();
+    int aBlue = aColor.GetBlue();
+    if (aRed > aGreen && aRed > aBlue)
+        return 'R';
+
+    if (aGreen > aRed && aGreen > aBlue)
+        return 'G';
+
+    if(aBlue > aRed && aBlue > aGreen)
+        return 'B';
+
+    return 'X'; //No Dominant Color.
+}
+
+void checkValueAA(BitmapScopedWriteAccess& pAccess, int x, int y, Color aExpected,
+                  int& nNumberOfQuirks, int& nNumberOfErrors, int nColorDeltaThresh = 64)
+{
+    const bool bColorize = false;
+    Color aColor = pAccess->GetPixel(y, x);
+    bool aColorResult = returnDominantColor(aExpected) == returnDominantColor(aColor);
+    int nColorDelta = deltaColor(aColor, aExpected);
+
+    if (nColorDelta <= nColorDeltaThresh && aColorResult)
+    {
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_LIGHTGREEN);
+    }
+    else if (aColorResult)
+    {
+        nNumberOfQuirks++;
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_YELLOW);
+    }
+    else
+    {
+        nNumberOfErrors++;
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_LIGHTRED);
+    }
+}
+
+// Return all colors in the rectangle and their count.
+std::map<Color, int> collectColors(Bitmap& bitmap, const tools::Rectangle& rectangle)
+{
+    std::map<Color, int> colors;
+    BitmapScopedWriteAccess pAccess(bitmap);
+    for (tools::Long y = rectangle.Top(); y < rectangle.Bottom(); ++y)
+        for (tools::Long x = rectangle.Left(); x < rectangle.Right(); ++x)
+          ++colors[pAccess->GetPixel(y, x)]; // operator[] initializes to 0 (default ctor) if creating
+    return colors;
+}
+
+bool checkConvexHullProperty(Bitmap& bitmap, Color constLineColor, int nWidthOffset,
+                             int nHeightOffset)
+{
+    BitmapScopedWriteAccess pAccess(bitmap);
+    tools::Long thresholdWidth = pAccess->Width() - nWidthOffset;
+    tools::Long thresholdHeight = pAccess->Height() - nHeightOffset;
+    for (tools::Long y = 0; y < pAccess->Height(); ++y)
+    {
+        for (tools::Long x = 0; x < pAccess->Width(); ++x)
+        {
+            /*
+                If the shape exceeds the threshold limit of height or width or both,
+                this would indicate that the bezier curve is not within its convex polygon and
+                hence is faulty.
+            */
+            if (pAccess->GetPixel(y, x) == constLineColor
+                && (thresholdHeight < y || thresholdWidth < x))
+            {
+                return false;
+            }
+        }
+    }
+    return true;
+}
+
+TestResult checkRect(Bitmap& rBitmap, int aLayerNumber, Color aExpectedColor)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+    tools::Long nHeight = pAccess->Height();
+    tools::Long nWidth = pAccess->Width();
+
+    tools::Long firstX = 0 + aLayerNumber;
+    tools::Long firstY = 0 + aLayerNumber;
+
+    tools::Long lastX = nWidth  - aLayerNumber - 1;
+    tools::Long lastY = nHeight - aLayerNumber - 1;
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    // check corner quirks
+    checkValue(pAccess, firstX, firstY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+    checkValue(pAccess, lastX,  firstY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+    checkValue(pAccess, firstX, lastY,  aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+    checkValue(pAccess, lastX,  lastY,  aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+
+    for (tools::Long y = firstY + 1; y <= lastY - 1; y++)
+    {
+        checkValue(pAccess, firstX, y,  aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+        checkValue(pAccess, lastX,  y,  aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+    }
+    for (tools::Long x = firstX + 1; x <= lastX - 1; x++)
+    {
+        checkValue(pAccess, x, firstY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+        checkValue(pAccess, x, lastY,  aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+    }
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult checkHorizontalVerticalDiagonalLines(Bitmap& rBitmap, Color aExpectedColor, int nColorThresh)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+    tools::Long nWidth  = pAccess->Width();
+    tools::Long nHeight = pAccess->Height();
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    // check horizontal line
+    {
+        tools::Long startX = 4;
+        tools::Long endX   = nWidth - 2;
+
+        tools::Long y = 1;
+
+        checkValue(pAccess, startX, y, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true, nColorThresh);
+        checkValue(pAccess, endX,   y, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true, nColorThresh);
+
+        for (tools::Long x = startX + 1; x <= endX - 1; x++)
+        {
+            checkValue(pAccess, x, y, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false, nColorThresh);
+        }
+    }
+
+    // check vertical line
+    {
+        tools::Long startY = 4;
+        tools::Long endY   = nHeight - 2;
+
+        tools::Long x = 1;
+
+        checkValue(pAccess, x, startY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true, nColorThresh);
+        checkValue(pAccess, x, endY,   aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true, nColorThresh);
+
+        for (tools::Long y = startY + 1; y <= endY - 1; y++)
+        {
+            checkValue(pAccess, x, y, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false, nColorThresh);
+        }
+    }
+
+    // check diagonal line
+    {
+        tools::Long startX = 1;
+        tools::Long endX   = nWidth - 2;
+
+        tools::Long startY = 1;
+        tools::Long endY   = nHeight - 2;
+
+        tools::Long x = startX;
+        tools::Long y = startY;
+
+        checkValue(pAccess, startX, startY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true, nColorThresh);
+        checkValue(pAccess, endX,   endY,   aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true, nColorThresh);
+
+        x++; y++;
+
+        while(y <= endY - 1  && x <= endX - 1)
+        {
+            checkValue(pAccess, x, y, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false, nColorThresh);
+            x++; y++;
+        }
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult checkDiamondLine(Bitmap& rBitmap, int aLayerNumber, Color aExpectedColor)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+    tools::Long nHeight = pAccess->Height();
+    tools::Long nWidth = pAccess->Width();
+
+    tools::Long midX = nWidth  / 2;
+    tools::Long midY = nHeight / 2;
+
+    tools::Long firstX = aLayerNumber;
+    tools::Long lastX  = nWidth - aLayerNumber - 1;
+
+    tools::Long firstY = aLayerNumber;
+    tools::Long lastY  = nHeight - aLayerNumber - 1;
+
+    tools::Long offsetFromMid = 0;
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    checkValue(pAccess, firstX, midY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+    checkValue(pAccess, lastX,  midY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+    checkValue(pAccess, midX, firstY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+    checkValue(pAccess, midX,  lastY, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, true);
+
+    offsetFromMid = 1;
+    for (tools::Long x = firstX + 1; x <= midX - 1; x++)
+    {
+        checkValue(pAccess, x, midY - offsetFromMid, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+        checkValue(pAccess, x, midY + offsetFromMid, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+
+        offsetFromMid++;
+    }
+
+    offsetFromMid = midY - aLayerNumber - 1;
+
+    for (tools::Long x = midX + 1; x <= lastX - 1; x++)
+    {
+        checkValue(pAccess, x, midY - offsetFromMid, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+        checkValue(pAccess, x, midY + offsetFromMid, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+
+        offsetFromMid--;
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+} // end anonymous namespace
+
+const Color OutputDeviceTestCommon::constBackgroundColor(COL_LIGHTGRAY);
+const Color OutputDeviceTestCommon::constLineColor(COL_LIGHTBLUE);
+const Color OutputDeviceTestCommon::constFillColor(COL_BLUE);
+
+OutputDeviceTestCommon::OutputDeviceTestCommon()
+{}
+
+OUString OutputDeviceTestCommon::getRenderBackendName() const
+{
+    if (mpVirtualDevice && mpVirtualDevice->GetGraphics())
+    {
+        SalGraphics const * pGraphics = mpVirtualDevice->GetGraphics();
+        return pGraphics->getRenderBackendName();
+    }
+    return OUString();
+}
+
+void OutputDeviceTestCommon::initialSetup(tools::Long nWidth, tools::Long nHeight, Color aColor, bool bEnableAA, bool bAlphaVirtualDevice)
+{
+    if (bAlphaVirtualDevice)
+        mpVirtualDevice = VclPtr<VirtualDevice>::Create(DeviceFormat::WITH_ALPHA);
+    else
+        mpVirtualDevice = VclPtr<VirtualDevice>::Create(DeviceFormat::WITHOUT_ALPHA);
+
+    maVDRectangle = tools::Rectangle(Point(), Size (nWidth, nHeight));
+    mpVirtualDevice->SetOutputSizePixel(maVDRectangle.GetSize());
+    if (bEnableAA)
+        mpVirtualDevice->SetAntialiasing(AntialiasingFlags::Enable | AntialiasingFlags::PixelSnapHairline);
+    else
+        mpVirtualDevice->SetAntialiasing(AntialiasingFlags::NONE);
+    mpVirtualDevice->SetBackground(Wallpaper(aColor));
+    mpVirtualDevice->Erase();
+}
+
+TestResult OutputDeviceTestCommon::checkLines(Bitmap& rBitmap)
+{
+    return checkHorizontalVerticalDiagonalLines(rBitmap, constLineColor, 0);
+}
+
+TestResult OutputDeviceTestCommon::checkAALines(Bitmap& rBitmap)
+{
+    return checkHorizontalVerticalDiagonalLines(rBitmap, constLineColor, 30); // 30 color values threshold delta
+}
+
+static void checkResult(TestResult eResult, TestResult & eTotal)
+{
+    if (eTotal == TestResult::Failed)
+        return;
+
+    if (eResult == TestResult::Failed)
+        eTotal = TestResult::Failed;
+
+    if (eResult == TestResult::PassedWithQuirks)
+        eTotal = TestResult::PassedWithQuirks;
+}
+
+TestResult OutputDeviceTestCommon::checkInvertRectangle(Bitmap& aBitmap)
+{
+    TestResult aReturnValue = TestResult::Passed;
+    TestResult eResult;
+
+    std::vector<Color> aExpected{ COL_WHITE, COL_WHITE };
+    eResult = checkRectangles(aBitmap, aExpected);
+    checkResult(eResult, aReturnValue);
+
+    eResult = checkFilled(aBitmap, tools::Rectangle(Point(2, 2), Size(8, 8)), COL_LIGHTCYAN);
+    checkResult(eResult, aReturnValue);
+
+    eResult = checkFilled(aBitmap, tools::Rectangle(Point(10, 2), Size(8, 8)), COL_LIGHTMAGENTA);
+    checkResult(eResult, aReturnValue);
+
+    eResult = checkFilled(aBitmap, tools::Rectangle(Point(2, 10), Size(8, 8)), COL_YELLOW);
+    checkResult(eResult, aReturnValue);
+
+    eResult = checkFilled(aBitmap, tools::Rectangle(Point(10, 10), Size(8, 8)), COL_BLACK);
+    checkResult(eResult, aReturnValue);
+
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestCommon::checkChecker(Bitmap& rBitmap, sal_Int32 nStartX, sal_Int32 nEndX, sal_Int32 nStartY, sal_Int32 nEndY, std::vector<Color> const & rExpected)
+{
+    TestResult aReturnValue = TestResult::Passed;
+
+    int choice = 0;
+    for (sal_Int32 y = nStartY; y <= nEndY; ++y)
+    {
+        for (sal_Int32 x = nStartX; x <= nEndX; ++x)
+        {
+            TestResult eResult = checkFilled(rBitmap, tools::Rectangle(Point(x, y), Size(1, 1)), rExpected[choice % 2]);
+            checkResult(eResult, aReturnValue);
+            choice++;
+        }
+        choice++;
+    }
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestCommon::checkInvertN50Rectangle(Bitmap& aBitmap)
+{
+    TestResult aReturnValue = TestResult::Passed;
+    TestResult eResult;
+
+    std::vector<Color> aExpected{ COL_WHITE, COL_WHITE };
+    eResult = checkRectangles(aBitmap, aExpected);
+    checkResult(eResult, aReturnValue);
+
+    eResult = checkChecker(aBitmap, 2, 9, 2, 9, { COL_LIGHTCYAN, COL_LIGHTRED });
+    checkResult(eResult, aReturnValue);
+    eResult = checkChecker(aBitmap, 2, 9, 10, 17, { COL_YELLOW, COL_LIGHTBLUE });
+    checkResult(eResult, aReturnValue);
+    eResult = checkChecker(aBitmap, 10, 17, 2, 9, { COL_LIGHTMAGENTA, COL_LIGHTGREEN });
+    checkResult(eResult, aReturnValue);
+    eResult = checkChecker(aBitmap, 10, 17, 10, 17, { COL_BLACK, COL_WHITE });
+    checkResult(eResult, aReturnValue);
+
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestCommon::checkInvertTrackFrameRectangle(Bitmap& aBitmap)
+{
+    std::vector<Color> aExpected
+    {
+        COL_WHITE, COL_WHITE
+    };
+    return checkRectangles(aBitmap, aExpected);
+}
+
+TestResult OutputDeviceTestCommon::checkRectangle(Bitmap& aBitmap)
+{
+    std::vector<Color> aExpected
+    {
+        constBackgroundColor, constBackgroundColor, constLineColor,
+        constBackgroundColor, constBackgroundColor, constLineColor, constBackgroundColor
+    };
+    return checkRectangles(aBitmap, aExpected);
+}
+
+TestResult OutputDeviceTestCommon::checkRectangles(Bitmap& rBitmap, bool aEnableAA)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    std::vector<Color> aExpected = { constBackgroundColor, constLineColor, constLineColor };
+
+    for (size_t aLayerNumber = 0; aLayerNumber < aExpected.size(); aLayerNumber++)
+    {
+        tools::Long startX = aLayerNumber, endX = pAccess->Width() / 2 - aLayerNumber + 1;
+        tools::Long startY = aLayerNumber, endY = pAccess->Height() - aLayerNumber - 1;
+
+        for (tools::Long ptX = startX; ptX <= endX; ++ptX)
+        {
+            if (aEnableAA)
+            {
+                checkValueAA(pAccess, ptX, startY + (aLayerNumber == 2 ? 2 : 0),
+                             aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors);
+                checkValueAA(pAccess, ptX, endY - (aLayerNumber == 2 ? 2 : 0),
+                             aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors);
+            }
+            else
+            {
+                checkValue(pAccess, ptX, startY + (aLayerNumber == 2 ? 2 : 0),
+                           aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors, true);
+                checkValue(pAccess, ptX, endY - (aLayerNumber == 2 ? 2 : 0),
+                           aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors, true);
+            }
+        }
+        for (tools::Long ptY = startY + (aLayerNumber == 2 ? 2 : 0);
+             ptY <= endY - (aLayerNumber == 2 ? 2 : 0); ++ptY)
+        {
+            if (aEnableAA)
+            {
+                checkValueAA(pAccess, startX, ptY, aExpected[aLayerNumber], nNumberOfQuirks,
+                             nNumberOfErrors);
+                checkValueAA(pAccess, endX, ptY,  aExpected[aLayerNumber], nNumberOfQuirks,
+                             nNumberOfErrors);
+            }
+            else
+            {
+                checkValue(pAccess, startX, ptY, aExpected[aLayerNumber], nNumberOfQuirks,
+                           nNumberOfErrors, true);
+                checkValue(pAccess, endX, ptY, aExpected[aLayerNumber], nNumberOfQuirks,
+                           nNumberOfErrors, true);
+            }
+        }
+    }
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkRectangleAA(Bitmap& aBitmap)
+{
+    return checkRectangles(aBitmap, true);
+}
+
+TestResult OutputDeviceTestCommon::checkFilledRectangle(Bitmap& aBitmap, bool useLineColor)
+{
+    std::vector<Color> aExpected{ constBackgroundColor,
+                                  useLineColor ? constLineColor : constFillColor, constFillColor,
+                                  constFillColor, constFillColor };
+
+    BitmapScopedWriteAccess pAccess(aBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    for (size_t aLayerNumber = 0; aLayerNumber < aExpected.size(); aLayerNumber++)
+    {
+        tools::Long startX = aLayerNumber, endX = pAccess->Width() / 2 - aLayerNumber + 1;
+        tools::Long startY = aLayerNumber, endY = pAccess->Height() - aLayerNumber - 1;
+
+        for (tools::Long ptX = startX; ptX <= endX; ++ptX)
+        {
+            checkValue(pAccess, ptX, startY, aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors,
+                       true);
+            checkValue(pAccess, ptX, endY, aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors, true);
+        }
+        for (tools::Long ptY = startY; ptY <= endY; ++ptY)
+        {
+            checkValue(pAccess, startX, ptY, aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors,
+                       true);
+            checkValue(pAccess, endX, ptY, aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors, true);
+        }
+    }
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkFilled(Bitmap& rBitmap, tools::Rectangle aRectangle, Color aExpectedColor)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    for (tools::Long y = aRectangle.Top(); y < aRectangle.Top() + aRectangle.GetHeight(); y++)
+    {
+        for (tools::Long x = aRectangle.Left(); x < aRectangle.Left() + aRectangle.GetWidth(); x++)
+        {
+            checkValue(pAccess, x, y, aExpectedColor, nNumberOfQuirks, nNumberOfErrors, false);
+        }
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkRectangles(Bitmap& aBitmap, std::vector<Color>& aExpectedColors)
+{
+    TestResult aReturnValue = TestResult::Passed;
+    for (size_t i = 0; i < aExpectedColors.size(); i++)
+    {
+        TestResult eResult = checkRect(aBitmap, i, aExpectedColors[i]);
+
+        if (eResult == TestResult::Failed)
+            aReturnValue = TestResult::Failed;
+        if (eResult == TestResult::PassedWithQuirks && aReturnValue != TestResult::Failed)
+            aReturnValue = TestResult::PassedWithQuirks;
+    }
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestCommon::checkRectangle(Bitmap& rBitmap, int aLayerNumber, Color aExpectedColor)
+{
+    return checkRect(rBitmap, aLayerNumber, aExpectedColor);
+}
+
+tools::Rectangle OutputDeviceTestCommon::alignToCenter(tools::Rectangle aRect1, tools::Rectangle aRect2)
+{
+    Point aPoint((aRect1.GetWidth()  / 2.0) - (aRect2.GetWidth()  / 2.0),
+                 (aRect1.GetHeight() / 2.0) - (aRect2.GetHeight() / 2.0));
+
+    return tools::Rectangle(aPoint, aRect2.GetSize());
+}
+
+TestResult OutputDeviceTestCommon::checkDiamond(Bitmap& rBitmap)
+{
+    return checkDiamondLine(rBitmap, 1, constLineColor);
+}
+
+void OutputDeviceTestCommon::createDiamondPoints(tools::Rectangle rRect, int nOffset,
+                                                 Point& rPoint1, Point& rPoint2,
+                                                 Point& rPoint3, Point& rPoint4)
+{
+    tools::Long midPointX = rRect.Left() + (rRect.Right()  - rRect.Left()) / 2.0;
+    tools::Long midPointY = rRect.Top()  + (rRect.Bottom() - rRect.Top())  / 2.0;
+
+    rPoint1 = Point(midPointX         , midPointY - nOffset);
+    rPoint2 = Point(midPointX + nOffset, midPointY         );
+    rPoint3 = Point(midPointX         , midPointY + nOffset);
+    rPoint4 = Point(midPointX - nOffset, midPointY         );
+}
+
+tools::Polygon OutputDeviceTestCommon::createDropShapePolygon()
+{
+    tools::Polygon aPolygon(15);
+
+    aPolygon.SetPoint(Point(10, 2), 0);
+    aPolygon.SetFlags(0, PolyFlags::Normal);
+    aPolygon.SetPoint(Point(14, 2), 1);
+    aPolygon.SetFlags(1, PolyFlags::Control);
+    aPolygon.SetPoint(Point(18, 6), 2);
+    aPolygon.SetFlags(2, PolyFlags::Control);
+    aPolygon.SetPoint(Point(18, 10), 3);
+
+    aPolygon.SetFlags(3, PolyFlags::Normal);
+    aPolygon.SetPoint(Point(18, 10), 4);
+    aPolygon.SetFlags(4, PolyFlags::Normal);
+    aPolygon.SetPoint(Point(18, 14), 5);
+    aPolygon.SetFlags(5, PolyFlags::Control);
+    aPolygon.SetPoint(Point(14, 18), 6);
+    aPolygon.SetFlags(6, PolyFlags::Control);
+    aPolygon.SetPoint(Point(10, 18), 7);
+    aPolygon.SetFlags(7, PolyFlags::Normal);
+
+    aPolygon.SetPoint(Point(10, 18), 8);
+    aPolygon.SetFlags(8, PolyFlags::Normal);
+    aPolygon.SetPoint(Point(6, 18), 9);
+    aPolygon.SetFlags(9, PolyFlags::Control);
+    aPolygon.SetPoint(Point(2, 14), 10);
+    aPolygon.SetFlags(10, PolyFlags::Control);
+    aPolygon.SetPoint(Point(2, 10), 11);
+    aPolygon.SetFlags(11, PolyFlags::Normal);
+
+    aPolygon.SetPoint(Point(2, 10), 12);
+    aPolygon.SetFlags(12, PolyFlags::Normal);
+    aPolygon.SetPoint(Point(2, 2), 13);
+    aPolygon.SetFlags(13, PolyFlags::Normal);
+    aPolygon.SetPoint(Point(10, 2), 14);
+    aPolygon.SetFlags(14, PolyFlags::Normal);
+
+    aPolygon.Optimize(PolyOptimizeFlags::CLOSE);
+
+    return aPolygon;
+}
+
+basegfx::B2DPolygon OutputDeviceTestCommon::createHalfEllipsePolygon()
+{
+    basegfx::B2DPolygon aPolygon;
+
+    aPolygon.append({ 9.0, 1.0 });
+    aPolygon.append({ 17.0, 10.0 });
+    aPolygon.append({ 1.0, 10.0 });
+    aPolygon.setClosed(true);
+
+    aPolygon.setControlPoints(0, { 1.5, 1.5 }, { 16.5, 1.5 });
+
+    return aPolygon;
+}
+
+tools::Polygon OutputDeviceTestCommon::createClosedBezierLoop(const tools::Rectangle& rRect)
+{
+    tools::Long minX = rRect.Left();
+    tools::Long maxX = rRect.Right() - 2;
+    tools::Long minY = rRect.Top();
+    tools::Long maxY = rRect.Bottom() - 2;
+
+    tools::Polygon aPolygon(4);
+
+    aPolygon.SetPoint(Point((maxX / 2.0), maxY), 0);
+    aPolygon.SetFlags(0, PolyFlags::Normal);
+    aPolygon.SetPoint(Point(maxX, minY), 1);
+    aPolygon.SetFlags(1, PolyFlags::Control);
+    aPolygon.SetPoint(Point(minX, minY), 2);
+    aPolygon.SetFlags(2, PolyFlags::Control);
+    aPolygon.SetPoint(Point((maxX / 2.0), maxY), 3);
+    aPolygon.SetFlags(3, PolyFlags::Normal);
+
+    aPolygon.Optimize(PolyOptimizeFlags::CLOSE);
+
+    return aPolygon;
+}
+
+basegfx::B2DPolygon OutputDeviceTestCommon::createOpenPolygon(const tools::Rectangle& rRect, int nOffset)
+{
+    int nMidOffset = rRect.GetWidth() / 2;
+    basegfx::B2DPolygon aPolygon{
+        basegfx::B2DPoint(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Top() + nOffset - 1),
+        basegfx::B2DPoint(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Bottom() - nOffset + 1),
+        basegfx::B2DPoint(rRect.Right() - nMidOffset - nOffset / 3, rRect.Bottom() - nOffset + 1),
+        basegfx::B2DPoint(rRect.Right() - nMidOffset - nOffset / 3, rRect.Top() + nOffset - 1),
+    };
+    aPolygon.setClosed(false);
+    return aPolygon;
+}
+
+basegfx::B2DPolygon OutputDeviceTestCommon::createOpenBezier()
+{
+    basegfx::B2DPolygon aPolygon;
+
+    aPolygon.append({ 5.0, 2.0 });
+    aPolygon.append({ 3.0, 14.0 });
+    aPolygon.setClosed(false);
+
+    aPolygon.setControlPoints(0, { 15.0, 2.0 }, { 15.0, 15.0 });
+
+    return aPolygon;
+}
+
+TestResult OutputDeviceTestCommon::checkDropShape(Bitmap& rBitmap, bool aEnableAA)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    std::map<std::pair<int, int>, bool> SetPixels
+        = { { { 2, 2 }, true },  { { 3, 2 }, true },   { { 4, 2 }, true },   { { 5, 2 }, true },
+            { { 6, 2 }, true },  { { 7, 2 }, true },   { { 8, 2 }, true },   { { 9, 2 }, true },
+            { { 10, 2 }, true }, { { 11, 2 }, true },  { { 12, 2 }, true },  { { 2, 3 }, true },
+            { { 13, 3 }, true }, { { 14, 3 }, true },  { { 2, 4 }, true },   { { 15, 4 }, true },
+            { { 2, 5 }, true },  { { 16, 5 }, true },  { { 2, 6 }, true },   { { 17, 6 }, true },
+            { { 2, 7 }, true },  { { 17, 7 }, true },  { { 2, 8 }, true },   { { 18, 8 }, true },
+            { { 2, 9 }, true },  { { 18, 9 }, true },  { { 2, 10 }, true },  { { 18, 10 }, true },
+            { { 2, 11 }, true }, { { 18, 11 }, true }, { { 2, 12 }, true },  { { 18, 12 }, true },
+            { { 3, 13 }, true }, { { 17, 13 }, true }, { { 3, 14 }, true },  { { 17, 14 }, true },
+            { { 4, 15 }, true }, { { 16, 15 }, true }, { { 5, 16 }, true },  { { 15, 16 }, true },
+            { { 6, 17 }, true }, { { 7, 17 }, true },  { { 13, 17 }, true }, { { 14, 17 }, true },
+            { { 8, 18 }, true }, { { 9, 18 }, true },  { { 10, 18 }, true }, { { 11, 18 }, true },
+            { { 12, 18 }, true } };
+
+    for (tools::Long x = 0; x < pAccess->Width(); x++)
+    {
+        for (tools::Long y = 0; y < pAccess->Height(); y++)
+        {
+            if (SetPixels[{ x, y }])
+            {
+                if (aEnableAA)
+                {
+                    // coverity[swapped_arguments : FALSE] - this is in the correct order
+                    checkValueAA(pAccess, y, x, constLineColor, nNumberOfQuirks, nNumberOfErrors);
+                }
+                else
+                    checkValue(pAccess, y, x, constLineColor, nNumberOfQuirks, nNumberOfErrors,
+                               true);
+            }
+            else
+            {
+                if (!aEnableAA)
+                    checkValue(pAccess, y, x, constBackgroundColor, nNumberOfQuirks, nNumberOfErrors,
+                                true);
+            }
+        }
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+void OutputDeviceTestCommon::createHorizontalVerticalDiagonalLinePoints(tools::Rectangle rRect,
+                                Point& rHorizontalLinePoint1, Point& rHorizontalLinePoint2,
+                                Point& rVerticalLinePoint1, Point& rVerticalLinePoint2,
+                                Point& rDiagonalLinePoint1, Point& rDiagonalLinePoint2)
+{
+    rHorizontalLinePoint1 = Point(4, 1);
+    rHorizontalLinePoint2 = Point(rRect.Right() - 1, 1);
+
+    rVerticalLinePoint1 = Point(1, 4);
+    rVerticalLinePoint2 = Point(1,rRect.Bottom() - 1);
+
+    rDiagonalLinePoint1 = Point(1, 1);
+    rDiagonalLinePoint2 = Point(rRect.Right() - 1, rRect.Bottom() - 1);
+}
+
+TestResult OutputDeviceTestCommon::checkBezier(Bitmap& rBitmap)
+{
+    std::vector<Color> aExpected
+    {
+        constBackgroundColor, constBackgroundColor
+    };
+    // Check the bezier doesn't go over to the margins first
+    // TODO extend the check with more exact assert
+    return checkRectangles(rBitmap, aExpected);
+}
+
+TestResult OutputDeviceTestCommon::checkHalfEllipse(Bitmap& rBitmap, bool aEnableAA)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    std::map<std::pair<tools::Long, tools::Long>, bool> SetPixels = {
+        { { 8, 1 }, true },   { { 9, 1 }, true },   { { 10, 1 }, true },  { { 6, 2 }, true },
+        { { 7, 2 }, true },   { { 10, 2 }, true },  { { 4, 3 }, true },   { { 5, 3 }, true },
+        { { 10, 3 }, true },  { { 3, 4 }, true },   { { 10, 4 }, true },  { { 2, 5 }, true },
+        { { 10, 5 }, true },  { { 2, 6 }, true },   { { 10, 6 }, true },  { { 1, 7 }, true },
+        { { 10, 7 }, true },  { { 1, 8 }, true },   { { 10, 8 }, true },  { { 1, 9 }, true },
+        { { 10, 9 }, true },  { { 1, 10 }, true },  { { 10, 10 }, true }, { { 1, 11 }, true },
+        { { 10, 11 }, true }, { { 2, 12 }, true },  { { 10, 12 }, true }, { { 2, 13 }, true },
+        { { 10, 13 }, true }, { { 3, 14 }, true },  { { 10, 14 }, true }, { { 4, 15 }, true },
+        { { 5, 15 }, true },  { { 10, 15 }, true }, { { 6, 16 }, true },  { { 7, 16 }, true },
+        { { 10, 16 }, true }, { { 8, 17 }, true },  { { 9, 17 }, true },  { { 10, 17 }, true }
+    };
+
+    for (tools::Long x = 0; x < pAccess->Width(); x++)
+    {
+        for (tools::Long y = 0; y < pAccess->Height(); ++y)
+        {
+            // coverity[swapped_arguments : FALSE] - this is in the correct order
+            if (SetPixels[{ y, x }])
+            {
+                if (aEnableAA)
+                    checkValueAA(pAccess, x, y, constLineColor, nNumberOfQuirks, nNumberOfErrors);
+                else
+                    checkValue(pAccess, x, y, constLineColor, nNumberOfQuirks, nNumberOfErrors,
+                               true);
+            }
+            else
+            {
+                if (!aEnableAA)
+                    checkValue(pAccess, x, y, constBackgroundColor, nNumberOfQuirks,
+                               nNumberOfErrors, true);
+            }
+        }
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkClosedBezier(Bitmap& rBitmap)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    std::map<std::pair<tools::Long, tools::Long>, bool> SetPixels
+        = { { { 3, 8 }, true },  { { 3, 9 }, true },   { { 3, 10 }, true },  { { 4, 7 }, true },
+            { { 4, 8 }, true },  { { 4, 9 }, true },   { { 4, 10 }, true },  { { 4, 11 }, true },
+            { { 5, 7 }, true },  { { 5, 11 }, true },  { { 6, 6 }, true },   { { 6, 12 }, true },
+            { { 7, 6 }, true },  { { 7, 12 }, true },  { { 8, 7 }, true },   { { 8, 11 }, true },
+            { { 9, 7 }, true },  { { 9, 11 }, true },  { { 10, 7 }, true },  { { 10, 11 }, true },
+            { { 11, 8 }, true }, { { 11, 9 }, true },  { { 11, 10 }, true }, { { 12, 8 }, true },
+            { { 12, 9 }, true }, { { 12, 10 }, true }, { { 13, 9 }, true } };
+
+    for (tools::Long x = 0; x < pAccess->Width(); x++)
+    {
+        for (tools::Long y = 0; y < pAccess->Height(); ++y)
+        {
+            // coverity[swapped_arguments : FALSE] - this is in the correct order
+            if (SetPixels[{ y, x }])
+            {
+                checkValue(pAccess, x, y, constLineColor, nNumberOfQuirks, nNumberOfErrors, true);
+            }
+            else
+            {
+                checkValue(pAccess, x, y, constBackgroundColor, nNumberOfQuirks, nNumberOfErrors,
+                           true);
+            }
+        }
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0 || !checkConvexHullProperty(rBitmap, constLineColor, 2, 2))
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkOpenBezier(Bitmap& rBitmap)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    std::map<std::pair<int, int>, bool> SetPixels
+        = { { { 14, 3 }, true }, { { 14, 4 }, true }, { { 14, 5 }, true }, { { 3, 6 }, true },
+            { { 4, 6 }, true },  { { 14, 6 }, true }, { { 4, 7 }, true },  { { 5, 7 }, true },
+            { { 13, 7 }, true }, { { 6, 8 }, true },  { { 7, 8 }, true },  { { 12, 8 }, true },
+            { { 13, 8 }, true }, { { 8, 9 }, true },  { { 9, 9 }, true },  { { 10, 9 }, true },
+            { { 11, 9 }, true }, { { 12, 9 }, true } };
+
+    for (tools::Long x = 0; x < pAccess->Width(); x++)
+    {
+        for (tools::Long y = 0; y < pAccess->Height(); ++y)
+        {
+            // coverity[swapped_arguments : FALSE] - this is in the correct order
+            if (SetPixels[{ y, x }])
+            {
+                checkValue(pAccess, x, y, constLineColor, nNumberOfQuirks, nNumberOfErrors, true);
+            }
+            else
+            {
+                checkValue(pAccess, x, y, constBackgroundColor, nNumberOfQuirks, nNumberOfErrors,
+                           true);
+            }
+        }
+    }
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0 || !checkConvexHullProperty(rBitmap, constLineColor, 2, 5))
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkFilledAsymmetricalDropShape(Bitmap& rBitmap)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    std::map<std::pair<tools::Long, tools::Long>, bool> SetPixels
+        = { { { 2, 2 }, true },   { { 3, 2 }, true },   { { 4, 2 }, true },   { { 5, 2 }, true },
+            { { 6, 2 }, true },   { { 7, 2 }, true },   { { 8, 2 }, true },   { { 9, 2 }, true },
+            { { 10, 2 }, true },  { { 11, 2 }, true },  { { 2, 3 }, true },   { { 3, 3 }, true },
+            { { 4, 3 }, true },   { { 5, 3 }, true },   { { 6, 3 }, true },   { { 7, 3 }, true },
+            { { 8, 3 }, true },   { { 9, 3 }, true },   { { 10, 3 }, true },  { { 11, 3 }, true },
+            { { 12, 3 }, true },  { { 13, 3 }, true },  { { 2, 4 }, true },   { { 3, 4 }, true },
+            { { 4, 4 }, true },   { { 5, 4 }, true },   { { 6, 4 }, true },   { { 7, 4 }, true },
+            { { 8, 4 }, true },   { { 9, 4 }, true },   { { 10, 4 }, true },  { { 11, 4 }, true },
+            { { 12, 4 }, true },  { { 13, 4 }, true },  { { 14, 4 }, true },  { { 15, 4 }, true },
+            { { 2, 5 }, true },   { { 3, 5 }, true },   { { 4, 5 }, true },   { { 5, 5 }, true },
+            { { 6, 5 }, true },   { { 7, 5 }, true },   { { 8, 5 }, true },   { { 9, 5 }, true },
+            { { 10, 5 }, true },  { { 11, 5 }, true },  { { 12, 5 }, true },  { { 13, 5 }, true },
+            { { 14, 5 }, true },  { { 15, 5 }, true },  { { 2, 6 }, true },   { { 3, 6 }, true },
+            { { 4, 6 }, true },   { { 5, 6 }, true },   { { 6, 6 }, true },   { { 7, 6 }, true },
+            { { 8, 6 }, true },   { { 9, 6 }, true },   { { 10, 6 }, true },  { { 11, 6 }, true },
+            { { 12, 6 }, true },  { { 13, 6 }, true },  { { 14, 6 }, true },  { { 15, 6 }, true },
+            { { 16, 6 }, true },  { { 2, 7 }, true },   { { 3, 7 }, true },   { { 4, 7 }, true },
+            { { 5, 7 }, true },   { { 6, 7 }, true },   { { 7, 7 }, true },   { { 8, 7 }, true },
+            { { 9, 7 }, true },   { { 10, 7 }, true },  { { 11, 7 }, true },  { { 12, 7 }, true },
+            { { 13, 7 }, true },  { { 14, 7 }, true },  { { 15, 7 }, true },  { { 16, 7 }, true },
+            { { 2, 8 }, true },   { { 3, 8 }, true },   { { 4, 8 }, true },   { { 5, 8 }, true },
+            { { 6, 8 }, true },   { { 7, 8 }, true },   { { 8, 8 }, true },   { { 9, 8 }, true },
+            { { 10, 8 }, true },  { { 11, 8 }, true },  { { 12, 8 }, true },  { { 13, 8 }, true },
+            { { 14, 8 }, true },  { { 15, 8 }, true },  { { 16, 8 }, true },  { { 17, 8 }, true },
+            { { 2, 9 }, true },   { { 3, 9 }, true },   { { 4, 9 }, true },   { { 5, 9 }, true },
+            { { 6, 9 }, true },   { { 7, 9 }, true },   { { 8, 9 }, true },   { { 9, 9 }, true },
+            { { 10, 9 }, true },  { { 11, 9 }, true },  { { 12, 9 }, true },  { { 13, 9 }, true },
+            { { 14, 9 }, true },  { { 15, 9 }, true },  { { 16, 9 }, true },  { { 17, 9 }, true },
+            { { 2, 10 }, true },  { { 3, 10 }, true },  { { 4, 10 }, true },  { { 5, 10 }, true },
+            { { 6, 10 }, true },  { { 7, 10 }, true },  { { 8, 10 }, true },  { { 9, 10 }, true },
+            { { 10, 10 }, true }, { { 11, 10 }, true }, { { 12, 10 }, true }, { { 13, 10 }, true },
+            { { 14, 10 }, true }, { { 15, 10 }, true }, { { 16, 10 }, true }, { { 17, 10 }, true },
+            { { 2, 11 }, true },  { { 3, 11 }, true },  { { 4, 11 }, true },  { { 5, 11 }, true },
+            { { 6, 11 }, true },  { { 7, 11 }, true },  { { 8, 11 }, true },  { { 9, 11 }, true },
+            { { 10, 11 }, true }, { { 11, 11 }, true }, { { 12, 11 }, true }, { { 13, 11 }, true },
+            { { 14, 11 }, true }, { { 15, 11 }, true }, { { 16, 11 }, true }, { { 17, 11 }, true },
+            { { 3, 12 }, true },  { { 4, 12 }, true },  { { 5, 12 }, true },  { { 6, 12 }, true },
+            { { 7, 12 }, true },  { { 8, 12 }, true },  { { 9, 12 }, true },  { { 10, 12 }, true },
+            { { 11, 12 }, true }, { { 12, 12 }, true }, { { 13, 12 }, true }, { { 14, 12 }, true },
+            { { 15, 12 }, true }, { { 16, 12 }, true }, { { 3, 13 }, true },  { { 4, 13 }, true },
+            { { 5, 13 }, true },  { { 6, 13 }, true },  { { 7, 13 }, true },  { { 8, 13 }, true },
+            { { 9, 13 }, true },  { { 10, 13 }, true }, { { 11, 13 }, true }, { { 12, 13 }, true },
+            { { 13, 13 }, true }, { { 14, 13 }, true }, { { 15, 13 }, true }, { { 16, 13 }, true },
+            { { 4, 14 }, true },  { { 5, 14 }, true },  { { 6, 14 }, true },  { { 7, 14 }, true },
+            { { 8, 14 }, true },  { { 9, 14 }, true },  { { 10, 14 }, true }, { { 11, 14 }, true },
+            { { 12, 14 }, true }, { { 13, 14 }, true }, { { 14, 14 }, true }, { { 15, 14 }, true },
+            { { 5, 15 }, true },  { { 6, 15 }, true },  { { 7, 15 }, true },  { { 8, 15 }, true },
+            { { 9, 15 }, true },  { { 10, 15 }, true }, { { 11, 15 }, true }, { { 12, 15 }, true },
+            { { 13, 15 }, true }, { { 14, 15 }, true }, { { 15, 15 }, true }, { { 6, 16 }, true },
+            { { 7, 16 }, true },  { { 8, 16 }, true },  { { 9, 16 }, true },  { { 10, 16 }, true },
+            { { 11, 16 }, true }, { { 12, 16 }, true }, { { 13, 16 }, true }, { { 8, 17 }, true },
+            { { 9, 17 }, true },  { { 10, 17 }, true }, { { 11, 17 }, true } };
+
+    for (tools::Long x = 0; x < pAccess->Width(); x++)
+    {
+        for (tools::Long y = 0; y < pAccess->Height(); ++y)
+        {
+            if (SetPixels[{ x, y }])
+            {
+                checkValue(pAccess, y, x, constFillColor, nNumberOfQuirks, nNumberOfErrors, true);
+            }
+            else
+            {
+                checkValue(pAccess, y, x, constBackgroundColor, nNumberOfQuirks, nNumberOfErrors, true);
+            }
+        }
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkTextLocation(Bitmap& rBitmap)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+
+    //The limit to which error would be tolerated.
+    tools::Long textThreshold = 3;
+    tools::Long textWidth = 3, textHeight = 8;
+    tools::Long deviationX = 0, deviationY = 0;
+    tools::Long verticalStart = 0, verticalEnd = 0;
+    tools::Long horizontalStart = 0, horizontalEnd = 0;
+    tools::Long midX = pAccess->Width() / 2.0;
+    tools::Long midY = pAccess->Height() / 2.0;
+    bool insideFlag = false;
+
+    //Traversing horizontally
+    for (tools::Long x = 0, y = pAccess->Height() / 2.0; x < pAccess->Width(); ++x)
+    {
+        if (pAccess->GetPixel(y, x) != constBackgroundColor)
+        {
+            if (!insideFlag)
+            {
+                horizontalStart = x;
+                insideFlag = true;
+            }
+            else
+            {
+                horizontalEnd = x;
+            }
+        }
+    }
+
+    deviationX = abs(midX - horizontalStart);
+    midY -= midY / 2.0;
+    midY += 1;
+
+    insideFlag = false;
+    //Traversing vertically
+    for (tools::Long x = 0, y = pAccess->Height() / 2.0; x < pAccess->Height(); ++x)
+    {
+        if (pAccess->GetPixel(x, y) != constBackgroundColor)
+        {
+            if (!insideFlag)
+            {
+                verticalStart = x;
+                insideFlag = true;
+            }
+            else
+            {
+                verticalEnd = x;
+            }
+        }
+    }
+
+    deviationY = abs(midY - verticalStart);
+
+    if (deviationX != 0 || deviationY != 0 || abs(horizontalStart - horizontalEnd) + 1 != textWidth
+        || abs(verticalStart - verticalEnd) + 1 != textHeight)
+    {
+        aResult = TestResult::PassedWithQuirks;
+    }
+
+    if (deviationX > textThreshold || deviationY > textThreshold
+        || abs((abs(horizontalStart - horizontalEnd) + 1) - textWidth) > textThreshold
+        || abs((abs(verticalStart - verticalEnd) + 1) - textHeight) > textThreshold)
+    {
+        aResult = TestResult::Failed;
+    }
+
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkIntersectingRecs(Bitmap& rBitmap, int aLayerNumber,
+                                                         Color aExpected)
+{
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    for (int x = 4; x <= 19; ++x)
+    {
+        checkValue(pAccess, x, aLayerNumber, aExpected, nNumberOfQuirks, nNumberOfErrors, true);
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkEvenOddRuleInIntersectingRecs(Bitmap& rBitmap)
+{
+    /*
+    The even-odd rule would be tested via the below pattern as layers both of the
+    constFillColor & constBackgroundColor appears in an even-odd fashion.
+     */
+    std::vector<Color> aExpectedColors
+        = { constBackgroundColor, constBackgroundColor, constLineColor,       constFillColor,
+            constFillColor,       constLineColor,       constBackgroundColor, constBackgroundColor,
+            constLineColor,       constFillColor,       constFillColor,       constLineColor,
+            constBackgroundColor, constBackgroundColor, constLineColor,       constFillColor,
+            constFillColor,       constLineColor,       constBackgroundColor, constBackgroundColor,
+            constLineColor,       constFillColor,       constLineColor };
+
+    TestResult aReturnValue = TestResult::Passed;
+    for (size_t i = 0; i < aExpectedColors.size(); i++)
+    {
+        TestResult eResult = checkIntersectingRecs(rBitmap, i, aExpectedColors[i]);
+
+        if (eResult == TestResult::Failed)
+            aReturnValue = TestResult::Failed;
+        if (eResult == TestResult::PassedWithQuirks && aReturnValue != TestResult::Failed)
+            aReturnValue = TestResult::PassedWithQuirks;
+    }
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestCommon::checkOpenPolygon(Bitmap& rBitmap, bool aEnableAA)
+{
+    std::vector<Color> aExpected = { constBackgroundColor, constLineColor, constLineColor };
+
+    BitmapScopedWriteAccess pAccess(rBitmap);
+
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    for (size_t aLayerNumber = 0; aLayerNumber < aExpected.size(); aLayerNumber++)
+    {
+        tools::Long startX = aLayerNumber + 1, endX = pAccess->Width() / 2 - aLayerNumber;
+        tools::Long startY = aLayerNumber + 2, endY = pAccess->Height() - aLayerNumber - 3;
+
+        for (tools::Long ptX = startX; ptX <= endX; ++ptX)
+        {
+            if (aEnableAA)
+            {
+                checkValueAA(pAccess, ptX, endY - (aLayerNumber == 2 ? 2 : 0),
+                             aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors);
+            }
+            else
+            {
+                checkValue(pAccess, ptX, endY - (aLayerNumber == 2 ? 2 : 0),
+                           aExpected[aLayerNumber], nNumberOfQuirks, nNumberOfErrors, true);
+            }
+        }
+        for (tools::Long ptY = startY + (aLayerNumber == 2 ? 2 : 0);
+             ptY <= endY - (aLayerNumber == 2 ? 2 : 0); ++ptY)
+        {
+            if (aEnableAA)
+            {
+                checkValueAA(pAccess, startX, ptY, aExpected[aLayerNumber], nNumberOfQuirks,
+                             nNumberOfErrors);
+                checkValueAA(pAccess, endX, ptY, aExpected[aLayerNumber], nNumberOfQuirks,
+                             nNumberOfErrors);
+            }
+            else
+            {
+                checkValue(pAccess, startX, ptY, aExpected[aLayerNumber], nNumberOfQuirks,
+                           nNumberOfErrors, true);
+                checkValue(pAccess, endX, ptY, aExpected[aLayerNumber], nNumberOfQuirks,
+                           nNumberOfErrors, true);
+            }
+        }
+    }
+
+    if (nNumberOfQuirks > 0)
+        aResult = TestResult::PassedWithQuirks;
+    if (nNumberOfErrors > 0)
+        aResult = TestResult::Failed;
+    return aResult;
+}
+
+// Check 'count' pixels from (x,y) in (addX,addY) direction, the color values must not decrease.
+static bool checkGradient(BitmapScopedWriteAccess& pAccess, int x, int y, int count, int addX, int addY)
+{
+    const bool bColorize = false;
+    Color maxColor = COL_BLACK;
+    for( int i = 0; i < count; ++i )
+    {
+        Color color = pAccess->GetPixel(y, x);
+        if( color.GetRed() < maxColor.GetRed() || color.GetGreen() < maxColor.GetGreen() || color.GetBlue() < maxColor.GetBlue())
+        {
+            if (bColorize)
+                pAccess->SetPixel(y, x, COL_RED);
+            return false;
+        }
+        maxColor = color;
+        if (bColorize)
+            pAccess->SetPixel(y, x, COL_LIGHTGREEN);
+        x += addX;
+        y += addY;
+    }
+    return true;
+}
+
+TestResult OutputDeviceTestCommon::checkLinearGradient(Bitmap& bitmap)
+{
+    BitmapScopedWriteAccess pAccess(bitmap);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    // The lowest line is missing in the default VCL implementation => quirk.
+    checkValue(pAccess, 1, 10, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, true, 255 / 10);
+    checkValue(pAccess, 10, 10, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, true, 255 / 10);
+    for(int y = 1; y < 10; ++y)
+    {
+        checkValue(pAccess, 1, y, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10);
+        checkValue(pAccess, 10, y, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10);
+    }
+    for(int y = 1; y < 10; ++y)
+        if( !checkGradient( pAccess, 10, y, 10, -1, 0 ))
+            return TestResult::Failed;
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkLinearGradientAngled(Bitmap& bitmap)
+{
+    BitmapScopedWriteAccess pAccess(bitmap);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    // The top-left pixel is not white but gray in the default VCL implementation => quirk.
+    checkValue(pAccess, 1, 1, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 50);
+    checkValue(pAccess, 10, 10, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 0, 255 / 10); // Bottom-right.
+    // Main diagonal.
+    if( !checkGradient( pAccess, 10, 10, 10, -1, -1 ))
+        return TestResult::Failed;
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return TestResult::Passed;
+}
+
+TestResult OutputDeviceTestCommon::checkLinearGradientBorder(Bitmap& bitmap)
+{
+    TestResult aResult = TestResult::Passed;
+    // Top half is border.
+    checkResult(checkFilled(bitmap, tools::Rectangle(Point(1, 1), Size(10, 5)), COL_WHITE), aResult);
+    BitmapScopedWriteAccess pAccess(bitmap);
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+    for(int x = 1; x <= 10; ++x)
+    {
+        checkValue(pAccess, x, 10, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+        if( !checkGradient( pAccess, x, 10, 5, 0, -1 ))
+            return TestResult::Failed;
+    }
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkLinearGradientIntensity(Bitmap& bitmap)
+{
+    BitmapScopedWriteAccess pAccess(bitmap);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    for(int x = 1; x <= 10; ++x)
+    {
+        // The gradient starts at half intensity, i.e. white's 255's are halved.
+        checkValue(pAccess, x, 1, Color(128,128,128), nNumberOfQuirks, nNumberOfErrors, false, 10);
+        checkValue(pAccess, x, 10, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10);
+        if( !checkGradient( pAccess, x, 10, 10, 0, -1 ))
+            return TestResult::Failed;
+    }
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkLinearGradientSteps(Bitmap& bitmap)
+{
+    // Reuse the basic linear gradient check.
+    TestResult aResult = checkLinearGradient(bitmap);
+    // Only 4 steps in the gradient, there should be only 4 colors.
+    if( collectColors( bitmap, tools::Rectangle( Point( 1, 1 ), Size( 10, 10 ))).size() != 4 )
+        return TestResult::Failed;
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkAxialGradient(Bitmap& bitmap)
+{
+    BitmapScopedWriteAccess pAccess(bitmap);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    for(int y = 1; y <= 11; ++y)
+    {
+        // Middle horizontal line is white, gradients to the sides.
+        checkValue(pAccess, 6, y, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+        checkValue(pAccess, 1, y, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+        checkValue(pAccess, 11, y, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+        if( !checkGradient( pAccess, 1, y, 6, 1, 0 ))
+            return TestResult::Failed;
+        if( !checkGradient( pAccess, 11, y, 6, -1, 0 ))
+            return TestResult::Failed;
+    }
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkRadialGradient(Bitmap& bitmap)
+{
+    BitmapScopedWriteAccess pAccess(bitmap);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+    // The default VCL implementation is off-center in the direction to the top-left.
+    // This means not all corners will be pure white => quirks.
+    checkValue(pAccess, 1, 1, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 2);
+    checkValue(pAccess, 1, 10, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    checkValue(pAccess, 10, 1, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    checkValue(pAccess, 10, 10, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    // And not all centers will be pure black => quirks.
+    checkValue(pAccess, 5, 5, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    checkValue(pAccess, 5, 6, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 3);
+    checkValue(pAccess, 6, 5, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 3);
+    checkValue(pAccess, 6, 6, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 2);
+    // Check diagonals, from the offset center.
+    if(!checkGradient(pAccess, 5, 5, 5, -1, -1))
+        return TestResult::Failed;
+    if(!checkGradient(pAccess, 5, 5, 6, 1, 1))
+        return TestResult::Failed;
+    if(!checkGradient(pAccess, 5, 5, 5, 1, -1))
+        return TestResult::Failed;
+    if(!checkGradient(pAccess, 5, 5, 5, -1, 1))
+        return TestResult::Failed;
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkRadialGradientOfs(Bitmap& bitmap)
+{
+    BitmapScopedWriteAccess pAccess(bitmap);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+    checkValue(pAccess, 1, 1, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    checkValue(pAccess, 10, 1, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    checkValue(pAccess, 1, 10, COL_WHITE, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    checkValue(pAccess, 10, 10, COL_BLACK, nNumberOfQuirks, nNumberOfErrors, 255 / 10, 255 / 5);
+    // Check gradients from the center (=bottom-right corner).
+    if(!checkGradient(pAccess, 10, 10, 10, -1, -1))
+        return TestResult::Failed;
+    if(!checkGradient(pAccess, 10, 10, 10, -1, 0))
+        return TestResult::Failed;
+    if(!checkGradient(pAccess, 10, 10, 10, 0, -1))
+        return TestResult::Failed;
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+constexpr int CAPSHRINK = 25;
+constexpr int CAPWIDTH = 20;
+TestResult OutputDeviceTestCommon::checkLineCap(Bitmap& rBitmap, css::drawing::LineCap lineCap)
+{
+    BitmapScopedWriteAccess access(rBitmap);
+    tools::Rectangle rectangle( Point( 0, 0 ), Size( 101, 101 ));
+    rectangle.shrink(CAPSHRINK);
+    rectangle = tools::Rectangle( Point(rectangle.LeftCenter().getX(), rectangle.LeftCenter().getY() - CAPWIDTH / 2),
+        Point(rectangle.RightCenter().getX(), rectangle.RightCenter().getY() + CAPWIDTH / 2));
+    rectangle.shrink(1);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    // the line itself
+    checkValue(access, rectangle.TopLeft(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle.TopRight(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle.BottomLeft(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle.BottomRight(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+
+    // the cap in the middle
+    Color color = ( lineCap == css::drawing::LineCap_BUTT ) ? constBackgroundColor : constLineColor;
+    checkValue(access, rectangle.LeftCenter() - Point(CAPWIDTH/2, 0), color, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle.RightCenter() + Point(CAPWIDTH/2, 0), color, nNumberOfQuirks, nNumberOfErrors, false);
+
+    // the cap corners
+    color = ( lineCap == css::drawing::LineCap_SQUARE ) ? constLineColor : constBackgroundColor;
+    checkValue(access, rectangle.TopLeft() - Point(CAPWIDTH/2, 0), color, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle.TopRight() + Point(CAPWIDTH/2, 0), color, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle.BottomLeft() - Point(CAPWIDTH/2, 0), color, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle.BottomRight() + Point(CAPWIDTH/2, 0), color, nNumberOfQuirks, nNumberOfErrors, false);
+
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+TestResult OutputDeviceTestCommon::checkLineJoin(Bitmap& rBitmap, basegfx::B2DLineJoin lineJoin)
+{
+    BitmapScopedWriteAccess access(rBitmap);
+    tools::Rectangle rectangle( Point( 0, 0 ), Size( 101, 101 ));
+    rectangle.shrink(CAPSHRINK);
+    tools::Rectangle rectangle1( Point(rectangle.TopLeft().getX(), rectangle.TopLeft().getY() - CAPWIDTH / 2),
+        Point(rectangle.TopRight().getX(), rectangle.TopRight().getY() + CAPWIDTH / 2));
+    tools::Rectangle rectangle2( Point(rectangle.TopRight().getX() - CAPWIDTH / 2, rectangle.TopRight().getY()),
+        Point(rectangle.BottomRight().getX() + CAPWIDTH / 2, rectangle.BottomRight().getY()));
+    rectangle1.shrink(1);
+    rectangle2.shrink(1);
+    TestResult aResult = TestResult::Passed;
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+
+    // the lines themselves
+    checkValue(access, rectangle1.TopLeft(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle1.TopRight(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle1.BottomLeft(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle1.BottomRight(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle2.TopLeft(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle2.TopRight(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle2.BottomLeft(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+    checkValue(access, rectangle2.BottomRight(), constLineColor, nNumberOfQuirks, nNumberOfErrors, false);
+
+    // Only miter has the corner point.
+    Color color = ( lineJoin == basegfx::B2DLineJoin::Miter ) ? constLineColor : constBackgroundColor;
+    checkValue(access, rectangle2.Right(), rectangle1.Top(), color, nNumberOfQuirks, nNumberOfErrors, false);
+
+    // Round reaches a bit past the diagonal.
+    Point midDiagonal = (Point( rectangle2.Right(), rectangle1.Top()) + rectangle.TopRight()) / 2;
+    if( lineJoin == basegfx::B2DLineJoin::Round)
+        color = constLineColor;
+    checkValue(access, midDiagonal + Point( 2, -2 ), color, nNumberOfQuirks, nNumberOfErrors, false);
+    // Bevel is the diagonal.
+    if( lineJoin == basegfx::B2DLineJoin::Bevel)
+        color = constLineColor;
+    checkValue(access, midDiagonal + Point( -1, 1 ), color, nNumberOfQuirks, nNumberOfErrors, false);
+    // Everything except None has at least some line join.
+    checkValue(access, rectangle.TopRight() + Point( 1, -1 ), color, nNumberOfQuirks, nNumberOfErrors, false);
+
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aResult);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aResult);
+    return aResult;
+}
+
+TestResult OutputDeviceTestAnotherOutDev::checkDrawOutDev(Bitmap& rBitmap)
+{
+    std::vector<Color> aExpected
+    {
+        constBackgroundColor, constBackgroundColor,
+        constFillColor, constFillColor, constFillColor, constFillColor, constFillColor
+    };
+    return checkRectangles(rBitmap, aExpected);
+}
+
+TestResult OutputDeviceTestAnotherOutDev::checkDrawOutDevScaledClipped(Bitmap& rBitmap)
+{
+    TestResult aReturnValue = TestResult::Passed;
+    TestResult eResult;
+
+    eResult = checkRect(rBitmap, 0, constBackgroundColor); // outer line
+    checkResult(eResult, aReturnValue);
+    eResult = checkRect(rBitmap, 1, constBackgroundColor); // next outer line
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(2, 2), Size(4, 8)), constBackgroundColor);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(6, 2), Size(4, 8)), constFillColor);
+    checkResult(eResult, aReturnValue);
+
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestAnotherOutDev::checkDrawOutDevSelf(Bitmap& rBitmap)
+{
+    TestResult aReturnValue = TestResult::Passed;
+    TestResult eResult;
+
+    eResult = checkRect(rBitmap, 0, constBackgroundColor); // outer line
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(1, 1), Size(4, 4)), constBackgroundColor);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(8, 8), Size(4, 4)), constBackgroundColor);
+    checkResult(eResult, aReturnValue);
+
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(11, 1), Size(1, 1)), COL_YELLOW);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(7, 5), Size(1, 1)), COL_YELLOW);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(1, 11), Size(1, 1)), COL_YELLOW);
+    checkResult(eResult, aReturnValue);
+
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(1, 5), Size(6, 6)), constFillColor);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(2, 6), Size(6, 6)), constFillColor);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(5, 1), Size(6, 4)), constFillColor);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(8, 2), Size(4, 6)), constFillColor);
+    checkResult(eResult, aReturnValue);
+
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestAnotherOutDev::checkXOR(Bitmap& rBitmap)
+{
+    Color xorColor( constBackgroundColor.GetRed() ^ constFillColor.GetRed(),
+                    constBackgroundColor.GetGreen() ^ constFillColor.GetGreen(),
+                    constBackgroundColor.GetBlue() ^ constFillColor.GetBlue());
+    std::vector<Color> aExpected
+    {
+        constBackgroundColor, xorColor,
+        constBackgroundColor, constBackgroundColor,
+        constFillColor, constFillColor,
+        constFillColor
+    };
+    return checkRectangles(rBitmap, aExpected);
+}
+
+
+TestResult OutputDeviceTestBitmap::checkTransformedBitmap(Bitmap& rBitmap)
+{
+    std::vector<Color> aExpected
+    {
+        constBackgroundColor, constBackgroundColor,
+        COL_YELLOW, constFillColor, COL_YELLOW, constFillColor, constFillColor
+    };
+    return checkRectangles(rBitmap, aExpected);
+}
+
+TestResult OutputDeviceTestBitmap::checkComplexTransformedBitmap(Bitmap& rBitmap)
+{
+    TestResult aReturnValue = TestResult::Passed;
+    TestResult eResult;
+    eResult = checkRectangle(rBitmap, 0, constBackgroundColor); // outer line not affected
+    checkResult(eResult, aReturnValue);
+    // empty "corners" should not be affected
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(1, 11), Size(2, 2)), constBackgroundColor);
+    checkResult(eResult, aReturnValue);
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(14, 1), Size(2, 2)), constBackgroundColor);
+    // check the middle
+    eResult = checkFilled(rBitmap, tools::Rectangle(Point(4, 3), Size(9, 8)), constFillColor);
+    checkResult(eResult, aReturnValue);
+    checkResult(eResult, aReturnValue);
+    int nNumberOfQuirks = 0;
+    int nNumberOfErrors = 0;
+    BitmapScopedWriteAccess pAccess(rBitmap);
+    // starting and ending corner, headless draws with AA, so be lenient
+    checkValue(pAccess, 1, 1, constFillColor, nNumberOfQuirks, nNumberOfErrors, 0, 192);
+    checkValue(pAccess, 2, 2, constFillColor, nNumberOfQuirks, nNumberOfErrors, 0, 16);
+    checkValue(pAccess, 14, 11, constFillColor, nNumberOfQuirks, nNumberOfErrors, 0, 16);
+    checkValue(pAccess, 15, 12, constFillColor, nNumberOfQuirks, nNumberOfErrors, 0, 192);
+    if (nNumberOfQuirks > 0)
+        checkResult(TestResult::PassedWithQuirks, aReturnValue);
+    if (nNumberOfErrors > 0)
+        checkResult(TestResult::Failed, aReturnValue);
+    return aReturnValue;
+}
+
+TestResult OutputDeviceTestBitmap::checkTransformedBitmap8bppGreyScale(Bitmap& rBitmap)
+{
+    std::vector<Color> aExpected
+    {
+        Color(0xC0,0xC0,0xC0), Color(0xC0,0xC0,0xC0),
+        Color(0xE2,0xE2,0xE2), Color(0xE,0xE,0xE), Color(0xE2,0xE2,0xE2), Color(0xE,0xE,0xE), Color(0xE,0xE,0xE)
+    };
+    return checkRectangles(rBitmap, aExpected);
+}
+
+TestResult OutputDeviceTestBitmap::checkBitmapExWithAlpha(Bitmap& rBitmap)
+{
+    const Color aBlendedColor(0xEE, 0xEE, 0x33);
+
+    std::vector<Color> aExpected
+    {
+        constBackgroundColor, constBackgroundColor,
+        aBlendedColor, constBackgroundColor, constBackgroundColor,
+        aBlendedColor, constBackgroundColor
+    };
+    return checkRectangles(rBitmap, aExpected);
+}
+
+TestResult OutputDeviceTestBitmap::checkMask(Bitmap& rBitmap)
+{
+    return checkRectangle(rBitmap);
+}
+
+TestResult OutputDeviceTestBitmap::checkBlend(const BitmapEx& rBitmapEx)
+{
+    const Color aBlendedColor(0xEE, 0xEE, 0x33);
+
+    std::vector<Color> aExpected
+    {
+        COL_WHITE, COL_WHITE, COL_YELLOW, constBackgroundColor,
+        constBackgroundColor, aBlendedColor, constBackgroundColor
+    };
+    Bitmap aBitmap(rBitmapEx.GetBitmap());
+    return checkRectangles(aBitmap, aExpected);
+}
+
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/gradient.cxx b/vcl/backendtest/outputdevice/gradient.cxx
new file mode 100644
index 0000000000..2596670b68
--- /dev/null
+++ b/vcl/backendtest/outputdevice/gradient.cxx
@@ -0,0 +1,131 @@
+/* -*- 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>
+#include <vcl/gradient.hxx>
+
+namespace vcl::test
+{
+Bitmap OutputDeviceTestGradient::setupLinearGradient()
+{
+    initialSetup(12, 12, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_LINEAR, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    aGradient.SetAngle(900_deg10);
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestGradient::setupLinearGradientAngled()
+{
+    initialSetup(12, 12, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_LINEAR, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    aGradient.SetAngle(450_deg10);
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestGradient::setupLinearGradientBorder()
+{
+    initialSetup(12, 12, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_LINEAR, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    aGradient.SetBorder(50);
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestGradient::setupLinearGradientIntensity()
+{
+    initialSetup(12, 12, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_LINEAR, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    aGradient.SetStartIntensity(50);
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestGradient::setupLinearGradientSteps()
+{
+    initialSetup(12, 12, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_LINEAR, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    aGradient.SetAngle(900_deg10);
+    aGradient.SetSteps(4);
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestGradient::setupAxialGradient()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_AXIAL, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    aGradient.SetAngle(900_deg10);
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestGradient::setupRadialGradient()
+{
+    initialSetup(12, 12, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_RADIAL, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestGradient::setupRadialGradientOfs()
+{
+    initialSetup(12, 12, constBackgroundColor);
+
+    Gradient aGradient(css::awt::GradientStyle_RADIAL, Color(0xFF, 0xFF, 0xFF),
+                       Color(0x00, 0x00, 0x00));
+    aGradient.SetOfsX(100); // Move center to the bottom-right corner.
+    aGradient.SetOfsY(100);
+    tools::Rectangle aDrawRect(maVDRectangle.Left() + 1, maVDRectangle.Top() + 1,
+                               maVDRectangle.Right() - 1, maVDRectangle.Bottom() - 1);
+    mpVirtualDevice->DrawGradient(aDrawRect, aGradient);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/line.cxx b/vcl/backendtest/outputdevice/line.cxx
new file mode 100644
index 0000000000..5cb6db10a9
--- /dev/null
+++ b/vcl/backendtest/outputdevice/line.cxx
@@ -0,0 +1,278 @@
+/* -*- 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>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <vcl/BitmapReadAccess.hxx>
+
+#include <list>
+
+namespace vcl::test {
+
+namespace
+{
+
+void drawLineOffset(OutputDevice& rDevice, tools::Rectangle const & rRect, int nOffset)
+{
+
+    int nMidOffset = rRect.GetWidth()/2;
+    Point aLeftTop     (rRect.Left()  + nOffset - (nOffset+1)/2, rRect.Top()    + nOffset - 1);
+    Point aRightTop    (rRect.Right() - nMidOffset - nOffset/3, rRect.Top()    + nOffset - 1);
+    Point aLeftBottom  (rRect.Left()  + nOffset - (nOffset+1)/2, rRect.Bottom() - nOffset + 1);
+    Point aRightBottom (rRect.Right() - nMidOffset - nOffset/3, rRect.Bottom() - nOffset + 1);
+
+    rDevice.DrawLine(aLeftTop,     aRightTop);
+    rDevice.DrawLine(aRightTop,    aRightBottom);
+    rDevice.DrawLine(aRightBottom, aLeftBottom);
+    rDevice.DrawLine(aLeftBottom,  aLeftTop);
+}
+
+} // end anonymous namespace
+
+Bitmap OutputDeviceTestLine::setupRectangle(bool bEnableAA)
+{
+    initialSetup(13, 13, constBackgroundColor, bEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestLine::setupRectangleOnSize1028()
+{
+    initialSetup(1028, 1028, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestLine::setupRectangleOnSize4096()
+{
+    initialSetup(4096, 4096, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestLine::setupDiamond()
+{
+    initialSetup(11, 11, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    Point aPoint1, aPoint2, aPoint3, aPoint4;
+    OutputDeviceTestCommon::createDiamondPoints(maVDRectangle, 4, aPoint1, aPoint2, aPoint3, aPoint4);
+
+    mpVirtualDevice->DrawLine(aPoint1, aPoint2);
+    mpVirtualDevice->DrawLine(aPoint2, aPoint3);
+    mpVirtualDevice->DrawLine(aPoint3, aPoint4);
+    mpVirtualDevice->DrawLine(aPoint4, aPoint1);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestLine::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);
+
+    mpVirtualDevice->DrawLine(aHorizontalLinePoint1, aHorizontalLinePoint2);
+    mpVirtualDevice->DrawLine(aVerticalLinePoint1,   aVerticalLinePoint2);
+    mpVirtualDevice->DrawLine(aDiagonalLinePoint1,   aDiagonalLinePoint2);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestLine::setupAALines()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    mpVirtualDevice->SetAntialiasing(AntialiasingFlags::Enable);
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    Point aHorizontalLinePoint1, aHorizontalLinePoint2;
+    Point aVerticalLinePoint1, aVerticalLinePoint2;
+    Point aDiagonalLinePoint1, aDiagonalLinePoint2;
+
+    OutputDeviceTestCommon::createHorizontalVerticalDiagonalLinePoints(
+                          maVDRectangle, aHorizontalLinePoint1, aHorizontalLinePoint2,
+                                         aVerticalLinePoint1,   aVerticalLinePoint2,
+                                         aDiagonalLinePoint1,   aDiagonalLinePoint2);
+
+    mpVirtualDevice->DrawLine(aHorizontalLinePoint1, aHorizontalLinePoint2);
+    mpVirtualDevice->DrawLine(aVerticalLinePoint1,   aVerticalLinePoint2);
+    mpVirtualDevice->DrawLine(aDiagonalLinePoint1,   aDiagonalLinePoint2);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestLine::setupDashedLine()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.shrink(2);
+
+    std::vector<double> stroke({ 2.0, 1.0 });
+    mpVirtualDevice->DrawPolyLineDirect( basegfx::B2DHomMatrix(),
+        basegfx::B2DPolygon{
+            basegfx::B2DPoint(rectangle.Left(), rectangle.Top()),
+            basegfx::B2DPoint(rectangle.Left(), rectangle.Bottom()),
+            basegfx::B2DPoint(rectangle.Right(), rectangle.Bottom()),
+            basegfx::B2DPoint(rectangle.Right(), rectangle.Top()),
+            basegfx::B2DPoint(rectangle.Left(), rectangle.Top())},
+        1, 0, &stroke, basegfx::B2DLineJoin::NONE );
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+TestResult OutputDeviceTestLine::checkDashedLine(Bitmap& rBitmap)
+{
+    TestResult returnValue = TestResult::Passed;
+    for (int i = 0; i < 7; i++)
+    {
+        TestResult eResult = TestResult::Passed;
+        if( i == 2 )
+        {
+            // Build a sequence of pixels for the drawn rectangle border,
+            // check that they alternate appropriately (there should be
+            // normally 2 line, 1 background).
+            std::list< bool > dash; // true - line color, false - background
+            const int width = rBitmap.GetSizePixel().Width();
+            const int height = rBitmap.GetSizePixel().Height();
+            BitmapReadAccess access(rBitmap);
+            for( int x = 2; x < width - 2; ++x )
+                dash.push_back( access.GetPixel( 2, x ) == constLineColor );
+            for( int y = 3; y < height - 3; ++y )
+                dash.push_back( access.GetPixel( y, width - 3 ) == constLineColor );
+            for( int x = width - 3; x >= 2; --x )
+                dash.push_back( access.GetPixel( height - 3, x ) == constLineColor );
+            for( int y = height - 4; y >= 3; --y )
+                dash.push_back( access.GetPixel( y, 2 ) == constLineColor );
+            for( int x = 2; x < width - 2; ++x ) // repeat, to check also the corner
+                dash.push_back( access.GetPixel( 2, x ) == constLineColor );
+            bool last = false;
+            int lastCount = 0;
+            while( !dash.empty())
+            {
+                if( dash.front() == last )
+                {
+                    ++lastCount;
+                    if( lastCount > ( last ? 4 : 3 ))
+                        eResult = TestResult::Failed;
+                    else if( lastCount > ( last ? 3 : 2 ) && eResult != TestResult::Failed)
+                        eResult = TestResult::PassedWithQuirks;
+                }
+                else
+                {
+                    last = dash.front();
+                    lastCount = 1;
+                }
+                dash.pop_front();
+            }
+        }
+        else
+        {
+            eResult = OutputDeviceTestCommon::checkRectangle(rBitmap, i, constBackgroundColor);
+        }
+
+        if (eResult == TestResult::Failed)
+            returnValue = TestResult::Failed;
+        if (eResult == TestResult::PassedWithQuirks && returnValue != TestResult::Failed)
+            returnValue = TestResult::PassedWithQuirks;
+    }
+    return returnValue;
+}
+
+constexpr int CAPSHRINK = 25;
+constexpr int CAPWIDTH = 20;
+Bitmap OutputDeviceTestLine::setupLineCap( css::drawing::LineCap lineCap )
+{
+    initialSetup(101, 101, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.shrink(CAPSHRINK);
+
+    const basegfx::B2DPolygon poly{
+        basegfx::B2DPoint(rectangle.LeftCenter().getX(), rectangle.LeftCenter().getY()),
+        basegfx::B2DPoint(rectangle.RightCenter().getX(), rectangle.RightCenter().getY())};
+
+    mpVirtualDevice->DrawPolyLineDirect( basegfx::B2DHomMatrix(),poly,
+        CAPWIDTH, 0, nullptr, basegfx::B2DLineJoin::NONE, lineCap );
+
+    mpVirtualDevice->SetLineColor(constFillColor);
+    mpVirtualDevice->DrawPolyLineDirect( basegfx::B2DHomMatrix(), poly,
+        0, 0, nullptr, basegfx::B2DLineJoin::NONE );
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestLine::setupLineJoin( basegfx::B2DLineJoin lineJoin )
+{
+    initialSetup(101, 101, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.shrink(CAPSHRINK);
+
+    const basegfx::B2DPolygon poly{
+        basegfx::B2DPoint(rectangle.TopLeft().getX(), rectangle.TopLeft().getY()),
+        basegfx::B2DPoint(rectangle.TopRight().getX(), rectangle.TopRight().getY()),
+        basegfx::B2DPoint(rectangle.BottomRight().getX(), rectangle.BottomRight().getY())};
+
+    mpVirtualDevice->DrawPolyLineDirect( basegfx::B2DHomMatrix(), poly,
+        CAPWIDTH, 0, nullptr, lineJoin );
+
+    mpVirtualDevice->SetLineColor(constFillColor);
+    mpVirtualDevice->DrawPolyLineDirect( basegfx::B2DHomMatrix(), poly,
+        0, 0, nullptr, lineJoin );
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/outputdevice.cxx b/vcl/backendtest/outputdevice/outputdevice.cxx
new file mode 100644
index 0000000000..ca58e006fd
--- /dev/null
+++ b/vcl/backendtest/outputdevice/outputdevice.cxx
@@ -0,0 +1,112 @@
+/* -*- 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 {
+
+Bitmap OutputDeviceTestAnotherOutDev::setupDrawOutDev()
+{
+    ScopedVclPtrInstance<VirtualDevice> pSourceDev;
+    Size aSourceSize(9, 9);
+    pSourceDev->SetOutputSizePixel(aSourceSize);
+    pSourceDev->SetBackground(Wallpaper(constFillColor));
+    pSourceDev->Erase();
+
+    initialSetup(13, 13, constBackgroundColor);
+
+    mpVirtualDevice->DrawOutDev(Point(2, 2), aSourceSize, Point(), aSourceSize, *pSourceDev);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+
+Bitmap OutputDeviceTestAnotherOutDev::setupDrawOutDevScaledClipped()
+{
+    ScopedVclPtrInstance<VirtualDevice> pSourceDev;
+    Size aSourceSize(18, 18);
+    pSourceDev->SetOutputSizePixel(aSourceSize);
+    pSourceDev->SetBackground(Wallpaper(constFillColor));
+    pSourceDev->Erase();
+
+    initialSetup(13, 13, constBackgroundColor);
+
+    tools::Rectangle rectangle = maVDRectangle;
+    rectangle.SetLeft(rectangle.GetWidth() / 2);
+    mpVirtualDevice->SetClipRegion(vcl::Region(rectangle));
+
+    mpVirtualDevice->DrawOutDev(Point(2, 2), aSourceSize / 2, Point(), aSourceSize, *pSourceDev);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestAnotherOutDev::setupDrawOutDevSelf()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor();
+    mpVirtualDevice->SetFillColor(constFillColor);
+
+    tools::Rectangle aDrawRectangle(maVDRectangle);
+    aDrawRectangle.shrink(3);
+    aDrawRectangle.Move( 2, -2 );
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+    mpVirtualDevice->SetLineColor(COL_YELLOW);
+    mpVirtualDevice->DrawPixel(aDrawRectangle.TopLeft() + Point(aDrawRectangle.GetWidth() - 1, 0));
+    mpVirtualDevice->DrawPixel(aDrawRectangle.TopLeft() + Point(0,aDrawRectangle.GetHeight() - 1));
+
+    // Intentionally overlap a bit.
+    mpVirtualDevice->DrawOutDev(Point(1, 5), aDrawRectangle.GetSize(),
+                                Point(5,1), aDrawRectangle.GetSize(), *mpVirtualDevice);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestAnotherOutDev::setupXOR()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    tools::Rectangle aDrawRectangle(maVDRectangle);
+    aDrawRectangle.shrink(2);
+
+    tools::Rectangle aScissorRectangle(maVDRectangle);
+    aScissorRectangle.shrink(4);
+
+    mpVirtualDevice->SetRasterOp(RasterOp::Xor);
+    mpVirtualDevice->SetFillColor(constFillColor);
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+
+    mpVirtualDevice->SetRasterOp(RasterOp::N0);
+    mpVirtualDevice->SetFillColor(COL_BLACK);
+    mpVirtualDevice->DrawRect(aScissorRectangle);
+
+    mpVirtualDevice->SetRasterOp(RasterOp::Xor);
+    mpVirtualDevice->SetFillColor(constFillColor);
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+
+    mpVirtualDevice->SetRasterOp(RasterOp::Xor);
+    mpVirtualDevice->SetLineColor(constFillColor);
+    mpVirtualDevice->SetFillColor();
+    // Rectangle drawn twice is a no-op.
+    aDrawRectangle = maVDRectangle;
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+    // Rectangle drawn three times is like drawing once.
+    aDrawRectangle.shrink(1);
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+    mpVirtualDevice->DrawRect(aDrawRectangle);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/pixel.cxx b/vcl/backendtest/outputdevice/pixel.cxx
new file mode 100644
index 0000000000..3892160ef7
--- /dev/null
+++ b/vcl/backendtest/outputdevice/pixel.cxx
@@ -0,0 +1,82 @@
+/* -*- 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 drawPixelOffset(OutputDevice& rDevice, tools::Rectangle const& rRect, int nOffset)
+{
+    int nMidOffset = rRect.GetWidth() / 2;
+    for (tools::Long x = 0 + nOffset / 2; x < (rRect.GetWidth() - nMidOffset); ++x)
+    {
+        tools::Long y1 = nOffset - 1;
+        tools::Long y2 = rRect.GetHeight() - nOffset;
+
+        rDevice.DrawPixel(Point(x, y1));
+        rDevice.DrawPixel(Point(x, y2));
+    }
+
+    for (tools::Long y = 0 + nOffset; y < (rRect.GetHeight() - nOffset); ++y)
+    {
+        tools::Long x1 = nOffset / 2;
+        tools::Long x2 = rRect.GetWidth() - nMidOffset - nOffset / std::max((nOffset - 3), 2);
+
+        rDevice.DrawPixel(Point(x1, y));
+        rDevice.DrawPixel(Point(x2, y));
+    }
+}
+
+} // end anonymous namespace
+
+Bitmap OutputDeviceTestPixel::setupRectangle(bool bEnableAA)
+{
+    initialSetup(13, 13, constBackgroundColor, bEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPixelOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPixelOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPixel::setupRectangleOnSize1028()
+{
+    initialSetup(1028, 1028, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPixelOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPixelOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPixel::setupRectangleOnSize4096()
+{
+    initialSetup(4096, 4096, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPixelOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPixelOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/polygon.cxx b/vcl/backendtest/outputdevice/polygon.cxx
new file mode 100644
index 0000000000..051c0d893c
--- /dev/null
+++ b/vcl/backendtest/outputdevice/polygon.cxx
@@ -0,0 +1,257 @@
+/* -*- 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);
+    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);
+
+    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::Enable);
+    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::setupDropShape()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolygon(OutputDeviceTestCommon::createDropShapePolygon());
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolygon::setupAADropShape()
+{
+    initialSetup(21, 21, constBackgroundColor, true);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolygon(OutputDeviceTestCommon::createDropShapePolygon());
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolygon::setupHalfEllipse(bool aEnableAA)
+{
+    initialSetup(19, 21, constBackgroundColor, aEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(
+        tools::Polygon(OutputDeviceTestCommon::createHalfEllipsePolygon()));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolygon::setupClosedBezier()
+{
+    initialSetup(21, 16, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createClosedBezierLoop(maVDRectangle));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolygon::setupFilledAsymmetricalDropShape()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor();
+    mpVirtualDevice->SetFillColor(constFillColor);
+
+    mpVirtualDevice->DrawPolygon(OutputDeviceTestCommon::createDropShapePolygon());
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolygon::setupRectangleOnSize1028()
+{
+    initialSetup(1028, 1028, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolygonOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolygonOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolygon::setupRectangleOnSize4096()
+{
+    initialSetup(4096, 4096, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolygonOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolygonOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolygon::setupOpenPolygon()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolygon(tools::Polygon(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle)));
+    mpVirtualDevice->DrawPolygon(tools::Polygon(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle, 7)));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/polyline.cxx b/vcl/backendtest/outputdevice/polyline.cxx
new file mode 100644
index 0000000000..d187d4addd
--- /dev/null
+++ b/vcl/backendtest/outputdevice/polyline.cxx
@@ -0,0 +1,245 @@
+/* -*- 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>
+
+#include <cmath>
+#include <vector>
+
+namespace vcl::test {
+
+namespace
+{
+
+void drawPolyLineOffset(OutputDevice& rDevice, tools::Rectangle const & rRect, int nOffset)
+{
+    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 - nOffset/3, rRect.Top()    + nOffset - 1), 1);
+    aPolygon.SetPoint(Point(rRect.Right() - nMidOffset - nOffset/3, rRect.Bottom() - nOffset + 1), 2);
+    aPolygon.SetPoint(Point(rRect.Left()  + nOffset - (nOffset+1)/2, rRect.Bottom() - nOffset + 1), 3);
+    aPolygon.Optimize(PolyOptimizeFlags::CLOSE);
+
+    rDevice.DrawPolygon(aPolygon);
+}
+
+} // end anonymous namespace
+
+Bitmap OutputDeviceTestPolyLine::setupRectangle(bool bEnableAA)
+{
+    initialSetup(13, 13, constBackgroundColor, bEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::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->DrawPolyLine(aPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::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->DrawPolyLine(aHorizontalPolygon);
+
+    tools::Polygon aVerticalPolygon(2);
+    aVerticalPolygon.SetPoint(aVerticalLinePoint1, 0);
+    aVerticalPolygon.SetPoint(aVerticalLinePoint2, 1);
+    mpVirtualDevice->DrawPolyLine(aVerticalPolygon);
+
+    tools::Polygon aDiagonalPolygon(2);
+    aDiagonalPolygon.SetPoint(aDiagonalLinePoint1, 0);
+    aDiagonalPolygon.SetPoint(aDiagonalLinePoint2, 1);
+    mpVirtualDevice->DrawPolyLine(aDiagonalPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupAALines()
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    mpVirtualDevice->SetAntialiasing(AntialiasingFlags::Enable);
+    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->DrawPolyLine(aHorizontalPolygon);
+
+    tools::Polygon aVerticalPolygon(2);
+    aVerticalPolygon.SetPoint(aVerticalLinePoint1, 0);
+    aVerticalPolygon.SetPoint(aVerticalLinePoint2, 1);
+    mpVirtualDevice->DrawPolyLine(aVerticalPolygon);
+
+    tools::Polygon aDiagonalPolygon(2);
+    aDiagonalPolygon.SetPoint(aDiagonalLinePoint1, 0);
+    aDiagonalPolygon.SetPoint(aDiagonalLinePoint2, 1);
+    mpVirtualDevice->DrawPolyLine(aDiagonalPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupDropShape()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createDropShapePolygon());
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupAADropShape()
+{
+    initialSetup(21, 21, constBackgroundColor,true);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createDropShapePolygon());
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupHalfEllipse(bool aEnableAA)
+{
+    initialSetup(19, 21, constBackgroundColor, aEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(
+        tools::Polygon(OutputDeviceTestCommon::createHalfEllipsePolygon()));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupClosedBezier()
+{
+    initialSetup(21, 16, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createClosedBezierLoop(maVDRectangle));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupRectangleOnSize1028()
+{
+    initialSetup(1028, 1028, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupRectangleOnSize4096()
+{
+    initialSetup(4096, 4096, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupOpenPolygon()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(
+        tools::Polygon(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle)));
+    mpVirtualDevice->DrawPolyLine(
+        tools::Polygon(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle, 7)));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLine::setupOpenBezier()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(tools::Polygon(OutputDeviceTestCommon::createOpenBezier()));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/polyline_b2d.cxx b/vcl/backendtest/outputdevice/polyline_b2d.cxx
new file mode 100644
index 0000000000..1fa603d1ea
--- /dev/null
+++ b/vcl/backendtest/outputdevice/polyline_b2d.cxx
@@ -0,0 +1,192 @@
+/* -*- 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>
+#include <vcl/bitmapex.hxx>
+
+namespace vcl::test
+{
+namespace
+{
+void drawPolyLineOffset(OutputDevice& rDevice, tools::Rectangle const& rRect, int nOffset)
+{
+    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, rRect.Top() + nOffset - 1),
+        basegfx::B2DPoint(rRect.Right() - nMidOffset - nOffset / 3, rRect.Bottom() - nOffset + 1),
+        basegfx::B2DPoint(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Bottom() - nOffset + 1),
+    };
+    aPolygon.setClosed(true);
+
+    rDevice.DrawPolyLine(aPolygon, 0.0); // draw hairline
+}
+
+void addDiamondPoints(tools::Rectangle rRect, int nOffset, basegfx::B2DPolygon& rPolygon)
+{
+    double midPointX = rRect.Left() + (rRect.Right() - rRect.Left()) / 2.0;
+    double midPointY = rRect.Top() + (rRect.Bottom() - rRect.Top()) / 2.0;
+
+    rPolygon.append({ midPointX, midPointY - nOffset });
+    rPolygon.append({ midPointX + nOffset, midPointY });
+    rPolygon.append({ midPointX, midPointY + nOffset });
+    rPolygon.append({ midPointX - nOffset, midPointY });
+}
+
+} // end anonymous namespace
+
+Bitmap OutputDeviceTestPolyLineB2D::setupRectangle(bool bEnableAA)
+{
+    initialSetup(13, 13, constBackgroundColor, bEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmapEx(maVDRectangle.TopLeft(), maVDRectangle.GetSize())
+        .GetBitmap();
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupDiamond()
+{
+    initialSetup(11, 11, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    basegfx::B2DPolygon aPolygon;
+    addDiamondPoints(maVDRectangle, 4, aPolygon);
+    aPolygon.setClosed(true);
+
+    mpVirtualDevice->DrawPolyLine(aPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupBezier()
+{
+    initialSetup(21, 21, constBackgroundColor, false);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    basegfx::B2DPolygon aPolygon;
+    addDiamondPoints(maVDRectangle, 8, aPolygon);
+    aPolygon.setClosed(true);
+
+    double minX = maVDRectangle.Left() + 4;
+    double maxX = maVDRectangle.Right() - 4;
+    double minY = maVDRectangle.Top() + 4;
+    double maxY = maVDRectangle.Bottom() - 4;
+
+    aPolygon.setControlPoints(0, { minX, minY }, { maxX, minY });
+    aPolygon.setControlPoints(1, { maxX, minY }, { maxX, maxY });
+    aPolygon.setControlPoints(2, { maxX, maxY }, { minX, maxY });
+    aPolygon.setControlPoints(3, { minX, maxY }, { minX, minY });
+
+    mpVirtualDevice->DrawPolyLine(aPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupAABezier()
+{
+    initialSetup(21, 21, constBackgroundColor, true);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    basegfx::B2DPolygon aPolygon;
+    addDiamondPoints(maVDRectangle, 8, aPolygon);
+    aPolygon.setClosed(true);
+
+    double minX = maVDRectangle.Left() + 4;
+    double maxX = maVDRectangle.Right() - 4;
+    double minY = maVDRectangle.Top() + 4;
+    double maxY = maVDRectangle.Bottom() - 4;
+
+    aPolygon.setControlPoints(0, { minX, minY }, { maxX, minY });
+    aPolygon.setControlPoints(1, { maxX, minY }, { maxX, maxY });
+    aPolygon.setControlPoints(2, { maxX, maxY }, { minX, maxY });
+    aPolygon.setControlPoints(3, { minX, maxY }, { minX, minY });
+
+    mpVirtualDevice->DrawPolyLine(aPolygon);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupHalfEllipse(bool aEnableAA)
+{
+    initialSetup(19, 21, constBackgroundColor, aEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createHalfEllipsePolygon());
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupRectangleOnSize1028()
+{
+    initialSetup(1028, 1028, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupRectangleOnSize4096()
+{
+    initialSetup(4096, 4096, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawPolyLineOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupOpenPolygon()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle));
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createOpenPolygon(maVDRectangle, 7));
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestPolyLineB2D::setupOpenBezier()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    mpVirtualDevice->DrawPolyLine(OutputDeviceTestCommon::createOpenBezier());
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/polypolygon.cxx b/vcl/backendtest/outputdevice/polypolygon.cxx
new file mode 100644
index 0000000000..e1abb2f901
--- /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: */
diff --git a/vcl/backendtest/outputdevice/polypolygon_b2d.cxx b/vcl/backendtest/outputdevice/polypolygon_b2d.cxx
new file mode 100644
index 0000000000..59391abe19
--- /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: */
diff --git a/vcl/backendtest/outputdevice/rectangle.cxx b/vcl/backendtest/outputdevice/rectangle.cxx
new file mode 100644
index 0000000000..f35285f282
--- /dev/null
+++ b/vcl/backendtest/outputdevice/rectangle.cxx
@@ -0,0 +1,142 @@
+/* -*- 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 drawRectOffset(OutputDevice& rDevice, tools::Rectangle const& rRect, int nOffset)
+{
+    int nMidOffset = rRect.Left() + (rRect.Right() - rRect.Left()) / 2;
+    rDevice.DrawRect(
+        tools::Rectangle(rRect.Left() + nOffset - (nOffset + 1) / 2, rRect.Top() + nOffset - 1,
+                         rRect.Right() - nMidOffset - nOffset / 3, rRect.Bottom() - nOffset + 1));
+}
+
+void drawInvertOffset(OutputDevice& rDevice, tools::Rectangle const& rRect, int nOffset,
+                      InvertFlags eFlags)
+{
+    tools::Rectangle aRectangle(rRect.Left() + nOffset, rRect.Top() + nOffset,
+                                rRect.Right() - nOffset, rRect.Bottom() - nOffset);
+    rDevice.Invert(aRectangle, eFlags);
+}
+
+} // end anonymous namespace
+
+Bitmap OutputDeviceTestRect::setupFilledRectangle(bool useLineColor)
+{
+    initialSetup(13, 13, constBackgroundColor);
+
+    if (useLineColor)
+        mpVirtualDevice->SetLineColor(constLineColor);
+    else
+        mpVirtualDevice->SetLineColor();
+    mpVirtualDevice->SetFillColor(constFillColor);
+
+    drawRectOffset(*mpVirtualDevice, maVDRectangle, 2);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestRect::setupRectangle(bool bEnableAA)
+{
+    initialSetup(13, 13, constBackgroundColor, bEnableAA);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawRectOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawRectOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestRect::setupInvert_NONE()
+{
+    initialSetup(20, 20, COL_WHITE);
+
+    mpVirtualDevice->SetLineColor();
+    mpVirtualDevice->SetFillColor(COL_LIGHTRED);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(2, 2), Size(8, 8)));
+    mpVirtualDevice->SetFillColor(COL_LIGHTGREEN);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(10, 2), Size(8, 8)));
+    mpVirtualDevice->SetFillColor(COL_LIGHTBLUE);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(2, 10), Size(8, 8)));
+
+    drawInvertOffset(*mpVirtualDevice, maVDRectangle, 2, InvertFlags::NONE);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestRect::setupInvert_N50()
+{
+    initialSetup(20, 20, COL_WHITE);
+
+    mpVirtualDevice->SetLineColor();
+    mpVirtualDevice->SetFillColor(COL_LIGHTRED);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(2, 2), Size(8, 8)));
+    mpVirtualDevice->SetFillColor(COL_LIGHTGREEN);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(10, 2), Size(8, 8)));
+    mpVirtualDevice->SetFillColor(COL_LIGHTBLUE);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(2, 10), Size(8, 8)));
+
+    drawInvertOffset(*mpVirtualDevice, maVDRectangle, 2, InvertFlags::N50);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestRect::setupInvert_TrackFrame()
+{
+    initialSetup(20, 20, COL_WHITE);
+
+    mpVirtualDevice->SetLineColor();
+    mpVirtualDevice->SetFillColor(COL_LIGHTRED);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(2, 2), Size(8, 8)));
+    mpVirtualDevice->SetFillColor(COL_LIGHTGREEN);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(10, 2), Size(8, 8)));
+    mpVirtualDevice->SetFillColor(COL_LIGHTBLUE);
+    mpVirtualDevice->DrawRect(tools::Rectangle(Point(2, 10), Size(8, 8)));
+
+    drawInvertOffset(*mpVirtualDevice, maVDRectangle, 2, InvertFlags::TrackFrame);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestRect::setupRectangleOnSize1028()
+{
+    initialSetup(1028, 1028, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawRectOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawRectOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+Bitmap OutputDeviceTestRect::setupRectangleOnSize4096()
+{
+    initialSetup(4096, 4096, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    drawRectOffset(*mpVirtualDevice, maVDRectangle, 2);
+    drawRectOffset(*mpVirtualDevice, maVDRectangle, 5);
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+
+} // end namespace vcl::test
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
diff --git a/vcl/backendtest/outputdevice/text.cxx b/vcl/backendtest/outputdevice/text.cxx
new file mode 100644
index 0000000000..5e53d900ba
--- /dev/null
+++ b/vcl/backendtest/outputdevice/text.cxx
@@ -0,0 +1,34 @@
+/* -*- Mode: C++; tab-width: offset; indent-tabs-mode: nil; c-basic-offset: offset -*- */
+/*
+ * 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
+{
+Bitmap OutputDeviceTestText::setupTextBitmap()
+{
+    initialSetup(21, 21, constBackgroundColor);
+
+    mpVirtualDevice->SetLineColor(constLineColor);
+    mpVirtualDevice->SetFillColor();
+
+    tools::Long midX = (maVDRectangle.Right() - maVDRectangle.Left()) / 2.0;
+    tools::Long midY = (maVDRectangle.Bottom() - maVDRectangle.Top()) / 2.0;
+
+    vcl::Font Font("DejaVu Sans", "Book", Size(0, 10));
+
+    mpVirtualDevice->Erase();
+    mpVirtualDevice->SetFont(Font);
+    mpVirtualDevice->SetTextColor(COL_LIGHTRED);
+    mpVirtualDevice->DrawText(Point(midX, midY - midY / 2), "I");
+
+    return mpVirtualDevice->GetBitmap(maVDRectangle.TopLeft(), maVDRectangle.GetSize());
+}
+}
\ No newline at end of file