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author | Qt Forward Merge Bot <qt_forward_merge_bot@qt-project.org> | 2019-02-20 01:01:00 +0100 |
---|---|---|
committer | Edward Welbourne <edward.welbourne@qt.io> | 2019-02-20 09:51:12 +0100 |
commit | 035f934d7a798e97bf0213a5d42a3d511132f03d (patch) | |
tree | 89aa6efdc86864ce479cddca6b9c4ba523c2754a /src/3rdparty/harfbuzz-ng/src/hb-coretext.cc | |
parent | f4cc23cffbe3005f0a522cac938695e87ecd6407 (diff) | |
parent | da4ab444ffac37514435364d4d3f0ad59d4f9bc3 (diff) |
Merge remote-tracking branch 'origin/5.13' into dev
Conflicts:
tests/auto/widgets/itemviews/qheaderview/tst_qheaderview.cpp
Added tests/auto/testlib/selftests/expected_crashes_5.txt to work
round the output of the crashes test (which exercises UB, see
QTBUG-73903) being truncated on one test platform.
Change-Id: I9cd3f2639b4e50c3c4513e14629a40bdca8f8273
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/hb-coretext.cc')
-rw-r--r-- | src/3rdparty/harfbuzz-ng/src/hb-coretext.cc | 25 |
1 files changed, 4 insertions, 21 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc b/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc index 9431ba5fe1..d64cb7edbd 100644 --- a/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc +++ b/src/3rdparty/harfbuzz-ng/src/hb-coretext.cc @@ -52,24 +52,6 @@ struct CoreTextFontEngineData { /* https://developer.apple.com/documentation/coretext/1508745-ctfontcreatewithgraphicsfont */ #define HB_CORETEXT_DEFAULT_FONT_SIZE 12.f -static CGFloat -coretext_font_size_from_ptem (float ptem) -{ - /* CoreText points are CSS pixels (96 per inch), - * NOT typographic points (72 per inch). - * - * https://developer.apple.com/library/content/documentation/GraphicsAnimation/Conceptual/HighResolutionOSX/Explained/Explained.html - */ - ptem *= 96.f / 72.f; - return ptem <= 0.f ? HB_CORETEXT_DEFAULT_FONT_SIZE : ptem; -} -static float -coretext_font_size_to_ptem (CGFloat size) -{ - size *= 72.f / 96.f; - return size <= 0.f ? 0 : size; -} - static void release_table_data (void *user_data) { @@ -104,7 +86,7 @@ _hb_cg_font_release (void *data) HB_SHAPER_DATA_ENSURE_DEFINE(coretext, face) HB_SHAPER_DATA_ENSURE_DEFINE_WITH_CONDITION(coretext, font, - fabs (CTFontGetSize((CTFontRef) data) - coretext_font_size_from_ptem (font->ptem)) <= .5 + fabs (CTFontGetSize ((CTFontRef) data) - font->ptem) <= .5 ) static CTFontDescriptorRef @@ -308,7 +290,8 @@ _hb_coretext_shaper_font_data_create (hb_font_t *font) if (unlikely (!hb_coretext_shaper_face_data_ensure (face))) return nullptr; CGFontRef cg_font = (CGFontRef) HB_SHAPER_DATA_GET (face); - CTFontRef ct_font = create_ct_font (cg_font, coretext_font_size_from_ptem (font->ptem)); + CGFloat font_size = font->ptem <= 0.f ? HB_CORETEXT_DEFAULT_FONT_SIZE : font->ptem; + CTFontRef ct_font = create_ct_font (cg_font, font_size); if (unlikely (!ct_font)) { @@ -340,7 +323,7 @@ hb_coretext_font_create (CTFontRef ct_font) if (unlikely (hb_object_is_inert (font))) return font; - hb_font_set_ptem (font, coretext_font_size_to_ptem (CTFontGetSize(ct_font))); + hb_font_set_ptem (font, CTFontGetSize (ct_font)); /* Let there be dragons here... */ HB_SHAPER_DATA_GET (font) = (hb_coretext_shaper_font_data_t *) CFRetain (ct_font); |