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diff --git a/vcl/inc/test/outputdevice.hxx b/vcl/inc/test/outputdevice.hxx
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+/* -*- 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/.
+ *
+ */
+
+#ifndef INCLUDED_VCL_OUTDEVTESTS_HXX
+#define INCLUDED_VCL_OUTDEVTESTS_HXX
+
+#include <vcl/virdev.hxx>
+
+namespace vcl {
+namespace test {
+
+/** Rendering test result.
+ *
+ * Test either "Passed", "Failed" or "PassedWithQuirks" which means
+ * the test passed but at least one rendering quirk was detected.
+ */
+enum class TestResult
+{
+    Failed,
+    PassedWithQuirks,
+    Passed
+};
+
+/** Common subclass for output device rendering tests.
+ */
+class VCL_DLLPUBLIC OutputDeviceTestCommon
+{
+protected:
+
+    ScopedVclPtr<VirtualDevice> mpVirtualDevice;
+    tools::Rectangle maVDRectangle;
+
+    static const Color constBackgroundColor;
+    static const Color constLineColor;
+    static const Color constFillColor;
+
+public:
+    OutputDeviceTestCommon();
+
+    OUString getRenderBackendName() const;
+
+    void initialSetup(long nWidth, long nHeight, Color aColor, bool bEnableAA = false, bool bAlphaVirtualDevice = false);
+
+    static TestResult checkRectangle(Bitmap& rBitmap);
+    static TestResult checkRectangleAA(Bitmap& rBitmap);
+    static TestResult checkFilledRectangle(Bitmap& rBitmap, bool useLineColor);
+    static TestResult checkLines(Bitmap& rBitmap);
+    static TestResult checkAALines(Bitmap& rBitmap);
+    static TestResult checkDiamond(Bitmap& rBitmap);
+
+    static TestResult checkInvertRectangle(Bitmap& rBitmap);
+    static TestResult checkInvertN50Rectangle(Bitmap& aBitmap);
+    static TestResult checkInvertTrackFrameRectangle(Bitmap& aBitmap);
+
+    static TestResult checkRectangles(Bitmap& rBitmap, std::vector<Color>& aExpectedColors);
+    static TestResult checkRectangle(Bitmap& rBitmap, int aLayerNumber, Color aExpectedColor);
+
+    static TestResult checkFilled(Bitmap& rBitmap, tools::Rectangle aRectangle, Color aExpectedColor);
+    static TestResult checkChecker(Bitmap& rBitmap, sal_Int32 nStartX, sal_Int32 nEndX,
+                                   sal_Int32 nStartY, sal_Int32 nEndY, std::vector<Color> const & rExpected);
+
+    static void createDiamondPoints(tools::Rectangle rRect, int nOffset,
+                                    Point& rPoint1, Point& rPoint2,
+                                    Point& rPoint3, Point& rPoint4);
+
+    static void createHorizontalVerticalDiagonalLinePoints(tools::Rectangle rRect,
+                                Point& rHorizontalLinePoint1, Point& rHorizontalLinePoint2,
+                                Point& rVerticalLinePoint1, Point& rVerticalLinePoint2,
+                                Point& rDiagonalLinePoint1, Point& rDiagonalLinePoint2);
+    // tools
+    static tools::Rectangle alignToCenter(tools::Rectangle aRect1, tools::Rectangle aRect2);
+
+    static TestResult checkBezier(Bitmap& rBitmap);
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestBitmap : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestBitmap() = default;
+
+    Bitmap setupDrawTransformedBitmap();
+    Bitmap setupDrawBitmap();
+    Bitmap setupDrawBitmapExWithAlpha();
+    Bitmap setupDrawMask();
+    BitmapEx setupDrawBlend();
+
+    static TestResult checkTransformedBitmap(Bitmap& rBitmap);
+    static TestResult checkBitmapExWithAlpha(Bitmap& rBitmap);
+    static TestResult checkMask(Bitmap& rBitmap);
+    static TestResult checkBlend(BitmapEx& rBitmap);
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestAnotherOutDev : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestAnotherOutDev() = default;
+
+    Bitmap setupDrawOutDev();
+    Bitmap setupXOR();
+
+    static TestResult checkDrawOutDev(Bitmap& rBitmap);
+    static TestResult checkXOR(Bitmap& rBitmap);
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestPixel : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestPixel() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestLine : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestLine() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+    Bitmap setupDiamond();
+    Bitmap setupLines();
+    Bitmap setupAALines();
+
+    Bitmap setupDashedLine();
+    static TestResult checkDashedLine(Bitmap& rBitmap);
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestPolyLine : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestPolyLine() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+    Bitmap setupDiamond();
+    Bitmap setupLines();
+    Bitmap setupAALines();
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestPolyLineB2D : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestPolyLineB2D() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+    Bitmap setupDiamond();
+    Bitmap setupBezier();
+    Bitmap setupAABezier();
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestRect : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestRect() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+    Bitmap setupFilledRectangle(bool useLineColor);
+    Bitmap setupInvert_NONE();
+    Bitmap setupInvert_N50();
+    Bitmap setupInvert_TrackFrame();
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestPolygon : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestPolygon() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+    Bitmap setupFilledRectangle(bool useLineColor);
+    Bitmap setupDiamond();
+    Bitmap setupLines();
+    Bitmap setupAALines();
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestPolyPolygon : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestPolyPolygon() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+    Bitmap setupFilledRectangle(bool useLineColor);
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestPolyPolygonB2D : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestPolyPolygonB2D() = default;
+
+    Bitmap setupRectangle(bool bEnableAA);
+    Bitmap setupFilledRectangle(bool useLineColor);
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestGradient : public OutputDeviceTestCommon
+{
+public:
+    OutputDeviceTestGradient() = default;
+
+    Bitmap setupLinearGradient();
+    Bitmap setupRadialGradient();
+};
+
+class VCL_DLLPUBLIC OutputDeviceTestClip : public OutputDeviceTestCommon
+{
+public:
+    Bitmap setupClipRectangle();
+    Bitmap setupClipPolygon();
+    Bitmap setupClipPolyPolygon();
+    Bitmap setupClipB2DPolyPolygon();
+
+    static TestResult checkClip(Bitmap& rBitmap);
+};
+
+
+}} // end namespace vcl::test
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */