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

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

1 files changed, 291 insertions, 0 deletions

diff --git a/vcl/qa/cppunit/outdev.cxx b/vcl/qa/cppunit/outdev.cxx
new file mode 100644
index 000000000..e99a35f67
--- /dev/null
+++ b/vcl/qa/cppunit/outdev.cxx
@@ -0,0 +1,291 @@
+/* -*- 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/bootstrapfixture.hxx>
+
+#include <vcl/print.hxx>
+#include <vcl/virdev.hxx>
+#include <vcl/window.hxx>
+#include <vcl/bitmapaccess.hxx>
+#include <vcl/gdimtf.hxx>
+#include <vcl/metaact.hxx>
+#include <bitmapwriteaccess.hxx>
+#include <bufferdevice.hxx>
+#include <window.h>
+
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+class VclOutdevTest : public test::BootstrapFixture
+{
+public:
+    VclOutdevTest() : BootstrapFixture(true, false) {}
+
+    void testVirtualDevice();
+    void testUseAfterDispose();
+    void testPrinterBackgroundColor();
+    void testWindowBackgroundColor();
+    void testGetReadableFontColorPrinter();
+    void testGetReadableFontColorWindow();
+    void testDrawTransformedBitmapEx();
+    void testDrawTransformedBitmapExFlip();
+    void testRTL();
+    void testRTLGuard();
+
+    CPPUNIT_TEST_SUITE(VclOutdevTest);
+    CPPUNIT_TEST(testVirtualDevice);
+    CPPUNIT_TEST(testUseAfterDispose);
+    CPPUNIT_TEST(testPrinterBackgroundColor);
+    CPPUNIT_TEST(testWindowBackgroundColor);
+    CPPUNIT_TEST(testGetReadableFontColorPrinter);
+    CPPUNIT_TEST(testGetReadableFontColorWindow);
+    CPPUNIT_TEST(testDrawTransformedBitmapEx);
+    CPPUNIT_TEST(testDrawTransformedBitmapExFlip);
+    CPPUNIT_TEST(testRTL);
+    CPPUNIT_TEST(testRTLGuard);
+    CPPUNIT_TEST_SUITE_END();
+};
+
+void VclOutdevTest::testGetReadableFontColorPrinter()
+{
+    ScopedVclPtrInstance<Printer> pPrinter;
+    CPPUNIT_ASSERT_EQUAL(pPrinter->GetReadableFontColor(COL_WHITE, COL_WHITE), COL_BLACK);
+}
+
+void VclOutdevTest::testGetReadableFontColorWindow()
+{
+    ScopedVclPtrInstance<vcl::Window> pWindow(nullptr, WB_APP | WB_STDWORK);
+    CPPUNIT_ASSERT_EQUAL(pWindow->GetReadableFontColor(COL_WHITE, COL_BLACK), COL_WHITE);
+    CPPUNIT_ASSERT_EQUAL(pWindow->GetReadableFontColor(COL_WHITE, COL_WHITE), COL_BLACK);
+    CPPUNIT_ASSERT_EQUAL(pWindow->GetReadableFontColor(COL_BLACK, COL_BLACK), COL_WHITE);
+}
+
+void VclOutdevTest::testPrinterBackgroundColor()
+{
+    ScopedVclPtrInstance<Printer> pPrinter;
+    CPPUNIT_ASSERT_EQUAL(pPrinter->GetBackgroundColor(), COL_WHITE);
+}
+
+void VclOutdevTest::testWindowBackgroundColor()
+{
+    ScopedVclPtrInstance<vcl::Window> pWindow(nullptr, WB_APP | WB_STDWORK);
+    pWindow->SetBackground(Wallpaper(COL_WHITE));
+    CPPUNIT_ASSERT_EQUAL(pWindow->GetBackgroundColor(), COL_WHITE);
+}
+
+void VclOutdevTest::testVirtualDevice()
+{
+    ScopedVclPtrInstance< VirtualDevice > pVDev;
+    pVDev->SetOutputSizePixel(Size(32,32));
+    pVDev->SetBackground(Wallpaper(COL_WHITE));
+
+    CPPUNIT_ASSERT_EQUAL(pVDev->GetBackgroundColor(), COL_WHITE);
+
+    pVDev->Erase();
+    pVDev->DrawPixel(Point(1,2),COL_BLUE);
+    pVDev->DrawPixel(Point(31,30),COL_RED);
+
+    Size aSize = pVDev->GetOutputSizePixel();
+    CPPUNIT_ASSERT_EQUAL(Size(32,32), aSize);
+
+    Bitmap aBmp = pVDev->GetBitmap(Point(),aSize);
+
+#if 0
+    OUString rFileName("/tmp/foo-unx.png");
+    try {
+        vcl::PNGWriter aWriter( aBmp );
+        SvFileStream sOutput( rFileName, StreamMode::WRITE );
+        aWriter.Write( sOutput );
+        sOutput.Close();
+    } catch (...) {
+        SAL_WARN("vcl", "Error writing png to " << rFileName);
+    }
+#endif
+
+    CPPUNIT_ASSERT_EQUAL(COL_WHITE, pVDev->GetPixel(Point(0,0)));
+#if !defined _WIN32 //TODO: various failures on Windows tinderboxes
+    CPPUNIT_ASSERT_EQUAL(COL_BLUE, pVDev->GetPixel(Point(1,2)));
+    CPPUNIT_ASSERT_EQUAL(COL_RED, pVDev->GetPixel(Point(31,30)));
+#endif
+    CPPUNIT_ASSERT_EQUAL(COL_WHITE, pVDev->GetPixel(Point(30,31)));
+
+    // Gotcha: y and x swap for BitmapReadAccess: deep joy.
+    Bitmap::ScopedReadAccess pAcc(aBmp);
+    CPPUNIT_ASSERT_EQUAL(COL_WHITE, static_cast<Color>(pAcc->GetPixel(0,0)));
+#if !defined _WIN32 //TODO: various failures on Windows tinderboxes
+    CPPUNIT_ASSERT_EQUAL(COL_BLUE, static_cast<Color>(pAcc->GetPixel(2,1)));
+    CPPUNIT_ASSERT_EQUAL(COL_RED, static_cast<Color>(pAcc->GetPixel(30,31)));
+#endif
+    CPPUNIT_ASSERT_EQUAL(COL_WHITE, static_cast<Color>(pAcc->GetPixel(31,30)));
+
+#if 0
+    VclPtr<vcl::Window> pWin = VclPtr<WorkWindow>::Create( (vcl::Window *)nullptr );
+    CPPUNIT_ASSERT( pWin );
+    OutputDevice *pOutDev = pWin.get();
+#endif
+}
+
+void VclOutdevTest::testUseAfterDispose()
+{
+    // Create a virtual device, enable map mode then dispose it.
+    ScopedVclPtrInstance<VirtualDevice> pVDev;
+
+    pVDev->EnableMapMode();
+
+    pVDev->disposeOnce();
+
+    // Make sure that these don't crash after dispose.
+    pVDev->GetInverseViewTransformation();
+
+    pVDev->GetViewTransformation();
+}
+
+void VclOutdevTest::testDrawTransformedBitmapEx()
+{
+    // Create a virtual device, and connect a metafile to it.
+    // Also create a 16x16 bitmap.
+    ScopedVclPtrInstance<VirtualDevice> pVDev;
+    Bitmap aBitmap(Size(16, 16), 24);
+    {
+        // Fill the top left quarter with black.
+        BitmapScopedWriteAccess pWriteAccess(aBitmap);
+        pWriteAccess->Erase(COL_WHITE);
+        for (int i = 0; i < 8; ++i)
+        {
+            for (int j = 0; j < 8; ++j)
+            {
+                pWriteAccess->SetPixel(j, i, COL_BLACK);
+            }
+        }
+    }
+    BitmapEx aBitmapEx(aBitmap);
+    basegfx::B2DHomMatrix aMatrix;
+    aMatrix.scale(8, 8);
+    // Rotate 90 degrees clockwise, so the black part goes to the top right.
+    aMatrix.rotate(M_PI / 2);
+    GDIMetaFile aMtf;
+    aMtf.Record(pVDev.get());
+
+    // Draw the rotated bitmap on the vdev.
+    pVDev->DrawTransformedBitmapEx(aMatrix, aBitmapEx);
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), aMtf.GetActionSize());
+    MetaAction* pAction = aMtf.GetAction(0);
+    CPPUNIT_ASSERT_EQUAL(MetaActionType::BMPEXSCALE, pAction->GetType());
+    auto pBitmapAction = static_cast<MetaBmpExScaleAction*>(pAction);
+    const BitmapEx& rBitmapEx = pBitmapAction->GetBitmapEx();
+    Size aTransformedSize = rBitmapEx.GetSizePixel();
+    // Without the accompanying fix in place, this test would have failed with:
+    // - Expected: 16x16
+    // - Actual  : 8x8
+    // I.e. the bitmap before scaling was already scaled down, just because it was rotated.
+    CPPUNIT_ASSERT_EQUAL(Size(16, 16), aTransformedSize);
+
+    aBitmap = rBitmapEx.GetBitmap();
+    Bitmap::ScopedReadAccess pAccess(aBitmap);
+    for (int i = 0; i < 16; ++i)
+    {
+        for (int j = 0; j < 16; ++j)
+        {
+            BitmapColor aColor = pAccess->GetPixel(j, i);
+            Color aExpected = i >= 8 && j < 8 ? COL_BLACK : COL_WHITE;
+            std::stringstream ss;
+            ss << "Color is expected to be ";
+            ss << ((aExpected == COL_WHITE) ? "white" : "black");
+            ss << ", is " << aColor.AsRGBHexString();
+            ss << " (row " << j << ", col " << i << ")";
+            // Without the accompanying fix in place, this test would have failed with:
+            // - Expected: c[00000000]
+            // - Actual  : c[ffffff00]
+            // - Color is expected to be black, is ffffff (row 0, col 8)
+            // i.e. the top right quarter of the image was not fully black, there was a white first
+            // row.
+            CPPUNIT_ASSERT_EQUAL_MESSAGE(ss.str(), aExpected, Color(aColor));
+        }
+    }
+}
+
+void VclOutdevTest::testDrawTransformedBitmapExFlip()
+{
+    // Create a virtual device, and connect a metafile to it.
+    // Also create a 16x16 bitmap.
+    ScopedVclPtrInstance<VirtualDevice> pVDev;
+    Bitmap aBitmap(Size(16, 16), 24);
+    {
+        // Fill the top left quarter with black.
+        BitmapScopedWriteAccess pWriteAccess(aBitmap);
+        pWriteAccess->Erase(COL_WHITE);
+        for (int i = 0; i < 8; ++i)
+        {
+            for (int j = 0; j < 8; ++j)
+            {
+                pWriteAccess->SetPixel(j, i, COL_BLACK);
+            }
+        }
+    }
+    BitmapEx aBitmapEx(aBitmap);
+    basegfx::B2DHomMatrix aMatrix;
+    // Negative y scale: bitmap should be upside down, so the black part goes to the bottom left.
+    aMatrix.scale(8, -8);
+    // Rotate 90 degrees clockwise, so the black part goes back to the top left.
+    aMatrix.rotate(M_PI / 2);
+    GDIMetaFile aMtf;
+    aMtf.Record(pVDev.get());
+
+    // Draw the scaled and rotated bitmap on the vdev.
+    pVDev->DrawTransformedBitmapEx(aMatrix, aBitmapEx);
+    CPPUNIT_ASSERT_EQUAL(static_cast<size_t>(1), aMtf.GetActionSize());
+    MetaAction* pAction = aMtf.GetAction(0);
+    CPPUNIT_ASSERT_EQUAL(MetaActionType::BMPEXSCALE, pAction->GetType());
+    auto pBitmapAction = static_cast<MetaBmpExScaleAction*>(pAction);
+    const BitmapEx& rBitmapEx = pBitmapAction->GetBitmapEx();
+
+    aBitmap = rBitmapEx.GetBitmap();
+    Bitmap::ScopedReadAccess pAccess(aBitmap);
+    int nX = 8 * 0.25;
+    int nY = 8 * 0.25;
+    BitmapColor aColor = pAccess->GetPixel(nY, nX);
+    std::stringstream ss;
+    ss << "Color is expected to be black, is " << aColor.AsRGBHexString();
+    ss << " (row " << nY << ", col " << nX << ")";
+    // Without the accompanying fix in place, this test would have failed with:
+    // - Expected: c[00000000]
+    // - Actual  : c[ffffff00]
+    // - Color is expected to be black, is ffffff (row 2, col 2)
+    // i.e. the top left quarter of the image was not black, due to a missing flip.
+    CPPUNIT_ASSERT_EQUAL_MESSAGE(ss.str(), COL_BLACK, Color(aColor));
+}
+
+void VclOutdevTest::testRTL()
+{
+    ScopedVclPtrInstance<vcl::Window> pWindow(nullptr, WB_APP | WB_STDWORK);
+    pWindow->EnableRTL();
+    vcl::RenderContext& rRenderContext = *pWindow;
+    vcl::BufferDevice pBuffer(pWindow, rRenderContext);
+
+    // Without the accompanying fix in place, this test would have failed, because the RTL status
+    // from pWindow was not propagated to pBuffer.
+    CPPUNIT_ASSERT(pBuffer->IsRTLEnabled());
+}
+
+void VclOutdevTest::testRTLGuard()
+{
+    ScopedVclPtrInstance<vcl::Window> pWindow(nullptr, WB_APP | WB_STDWORK);
+    pWindow->EnableRTL();
+    pWindow->RequestDoubleBuffering(true);
+    ImplFrameData* pFrameData = pWindow->ImplGetWindowImpl()->mpFrameData;
+    vcl::PaintBufferGuard aGuard(pFrameData, pWindow);
+    // Without the accompanying fix in place, this test would have failed, because the RTL status
+    // from pWindow was not propagated to aGuard.
+    CPPUNIT_ASSERT(aGuard.GetRenderContext()->IsRTLEnabled());
+}
+
+CPPUNIT_TEST_SUITE_REGISTRATION(VclOutdevTest);
+
+CPPUNIT_PLUGIN_IMPLEMENT();
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */