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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/.
*/
#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 <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();
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_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));
}
CPPUNIT_TEST_SUITE_REGISTRATION(VclOutdevTest);
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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