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libreoffice/vcl/qa/unx/generic/generic.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

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3.2 KiB
C++

/* -*- 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/unoapi_test.hxx>
#include <vcl/font.hxx>
#include <vcl/vclptr.hxx>
#include <vcl/wintypes.hxx>
#include <vcl/window.hxx>
#include <vcl/glyphitemcache.hxx>
#include <font/FontSelectPattern.hxx>
#include <unx/fontmanager.hxx>
using namespace ::com::sun::star;
namespace
{
/// Covers vcl/unx/generic/ fixes.
class Test : public UnoApiTest
{
public:
Test()
: UnoApiTest(u"/vcl/qa/unx/generic/data/"_ustr)
{
}
static OUString GetFallbackFont(const vcl::Font& rFont)
{
Size aSize(0, 3840);
float fExactHeight = 3840;
bool bNonAntialias = false;
vcl::font::FontSelectPattern aPattern(rFont, rFont.GetFamilyName(), aSize, fExactHeight,
bNonAntialias);
aPattern.maTargetName = rFont.GetFamilyName();
psp::PrintFontManager& rMgr = psp::PrintFontManager::get();
OUString aMissingCodes;
rMgr.Substitute(aPattern, aMissingCodes);
return aPattern.maSearchName;
}
};
CPPUNIT_TEST_FIXTURE(Test, testFontFallbackSerif)
{
OUString sResolvedSerif = GetFallbackFont(vcl::Font("serif", Size(12, 12)));
// Given a font select pattern with a font name we don't bundle and with a serif family:
vcl::Font aFont;
aFont.SetFamilyName("IBM Plex Serif");
aFont.SetFamily(FAMILY_ROMAN);
OUString sPlexFallback = GetFallbackFont(aFont);
// Then make sure we get a serif fallback:
// Without the accompanying fix in place, this test would have failed with:
// - Expected: Noto Serif (or DejaVu Serif)
// - Actual : Noto Kufi Arabic
// i.e. we got a sans fallback for a serif pattern, which is clearly poor.
CPPUNIT_ASSERT_EQUAL(sResolvedSerif, sPlexFallback);
}
CPPUNIT_TEST_FIXTURE(Test, testFontFallbackCaching)
{
// Given a vcl-level text layout, created for the serif Verdana:
ScopedVclPtrInstance<vcl::Window> pWindow(nullptr, WB_APP | WB_STDWORK);
VclPtr<OutputDevice> pOutDev = pWindow->GetOutDev();
vcl::Font aFont;
aFont.SetFamilyName("Verdana");
aFont.SetFamily(FAMILY_ROMAN);
pOutDev->SetFont(aFont);
OUString aText = u"1-1-2017"_ustr;
sal_Int32 nIndex = 0;
sal_Int32 nLength = aText.getLength();
tools::Long nLogicWidth = 0;
SalLayoutGlyphsCache::CachedGlyphsKey aKey1(pOutDev, aText, nIndex, nLength, nLogicWidth);
// When creating a layout for the sans Verdana:
aFont.SetFamily(FAMILY_SWISS);
pOutDev->SetFont(aFont);
SalLayoutGlyphsCache::CachedGlyphsKey aKey2(pOutDev, aText, nIndex, nLength, nLogicWidth);
// Then make sure these two layouts don't match:
// Without the accompanying fix in place, this test would have failed, the Noto Serif layout was
// reused for the Noto Sans layout if those were selected as fallbacks.
CPPUNIT_ASSERT(aKey1 != aKey2);
}
}
CPPUNIT_PLUGIN_IMPLEMENT();
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */