diff options
| author | Caolán McNamara <caolanm@redhat.com> | 2017-09-05 15:24:26 +0100 |
|---|---|---|
| committer | Caolán McNamara <caolanm@redhat.com> | 2017-09-05 20:37:21 +0200 |
| commit | 0c8b749e602b6743857a9bc4efb24b6183690311 (patch) | |
| tree | e1080eb36e53c168bfbd5eedad479aac0e3b33c0 /vcl | |
| parent | 2b329599183107735e1a7b6aad516452eb6fa6a6 (diff) | |
Resolves: tdf#107249 round ascent/descent/extleading on conversion to int
Change-Id: Ia3ab5960d5288f5831aaa4ade800ca7513dad766
Reviewed-on: https://gerrit.libreoffice.org/41944
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/qa/cppunit/complextext.cxx | 2 | ||||
| -rw-r--r-- | vcl/source/font/fontmetric.cxx | 25 |
2 files changed, 16 insertions, 11 deletions
diff --git a/vcl/qa/cppunit/complextext.cxx b/vcl/qa/cppunit/complextext.cxx index 5828a16c77a4..a0fba312aa9f 100644 --- a/vcl/qa/cppunit/complextext.cxx +++ b/vcl/qa/cppunit/complextext.cxx @@ -85,7 +85,7 @@ void VclComplexTextTest::testArabic() // text advance width and line height CPPUNIT_ASSERT_EQUAL(72L, pOutDev->GetTextWidth(aOneTwoThree)); - CPPUNIT_ASSERT_EQUAL(13L, pOutDev->GetTextHeight()); + CPPUNIT_ASSERT_EQUAL(14L, pOutDev->GetTextHeight()); // exact bounding rectangle, not essentially the same as text width/height #if defined(MACOSX) || defined(_WIN32) diff --git a/vcl/source/font/fontmetric.cxx b/vcl/source/font/fontmetric.cxx index b8e7f1e748ff..23954b3c67d9 100644 --- a/vcl/source/font/fontmetric.cxx +++ b/vcl/source/font/fontmetric.cxx @@ -412,6 +412,7 @@ void ImplFontMetricData::ImplCalcLineSpacing(const std::vector<uint8_t>& rHheaDa mnAscent = mnDescent = mnExtLeading = mnIntLeading = 0; double fScale = static_cast<double>(mnHeight) / nUPEM; + double fAscent = 0, fDescent = 0, fExtLeading = 0; vcl::TTGlobalFontInfo rInfo; memset(&rInfo, 0, sizeof(vcl::TTGlobalFontInfo)); @@ -420,30 +421,34 @@ void ImplFontMetricData::ImplCalcLineSpacing(const std::vector<uint8_t>& rHheaDa // Try hhea table first. if (rInfo.ascender || rInfo.descender) { - mnAscent = rInfo.ascender * fScale; - mnDescent = -rInfo.descender * fScale; - mnExtLeading = rInfo.linegap * fScale; + fAscent = rInfo.ascender * fScale; + fDescent = -rInfo.descender * fScale; + fExtLeading = rInfo.linegap * fScale; } // But if OS/2 is present, prefer it. if (rInfo.winAscent || rInfo.winDescent || rInfo.typoAscender || rInfo.typoDescender) { - if (mnAscent == 0 && mnDescent == 0) + if (fAscent == 0 && fDescent == 0) { - mnAscent = rInfo.winAscent * fScale; - mnDescent = rInfo.winDescent * fScale; - mnExtLeading = 0; + fAscent = rInfo.winAscent * fScale; + fDescent = rInfo.winDescent * fScale; + fExtLeading = 0; } const uint16_t kUseTypoMetricsMask = 1 << 7; if (rInfo.fsSelection & kUseTypoMetricsMask) { - mnAscent = rInfo.typoAscender * fScale; - mnDescent = -rInfo.typoDescender * fScale; - mnExtLeading = rInfo.typoLineGap * fScale; + fAscent = rInfo.typoAscender * fScale; + fDescent = -rInfo.typoDescender * fScale; + fExtLeading = rInfo.typoLineGap * fScale; } } + mnAscent = round(fAscent); + mnDescent = round(fDescent); + mnExtLeading = round(fExtLeading); + if (mnAscent || mnDescent) mnIntLeading = mnAscent + mnDescent - mnHeight; |