From 5a4df38ac98aa013bcfaddc8470bc1a7bae4449e Mon Sep 17 00:00:00 2001
From: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
Date: Wed, 18 May 2011 12:16:33 +0200
Subject: Fix broken drawing with large fonts using QStaticText and FreeType
In FreeType, there's a fall back to QFontEngine::alphaMapForGlyph()
when the fonts are very large. Since this uses a QPainterPath containing
an unhinted glyph, the use of hinted metrics would sometimes lead to
the glyphs being clipped because they would be positioned slightly
outside the image they were painted into. When outline drawing is on,
it makes sense to return unhinted metrics, since the glyphs we will
actually use are unhinted.
Task-number: QTBUG-19067
Reviewed-by: Jiang Jiang
(cherry picked from commit 5fcd60f2560e8caf495ce67028a8da8bef27acad)
---
src/gui/text/qfontengine_ft.cpp | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/gui/text/qfontengine_ft.cpp b/src/gui/text/qfontengine_ft.cpp
index f514942..4c6083c 100644
--- a/src/gui/text/qfontengine_ft.cpp
+++ b/src/gui/text/qfontengine_ft.cpp
@@ -795,7 +795,7 @@ int QFontEngineFT::loadFlags(QGlyphSet *set, GlyphFormat format, int flags,
if (set && set->outline_drawing)
load_flags = FT_LOAD_NO_BITMAP;
- if (default_hint_style == HintNone || (flags & HB_ShaperFlag_UseDesignMetrics))
+ if (default_hint_style == HintNone || (flags & HB_ShaperFlag_UseDesignMetrics) || set->outline_drawing)
load_flags |= FT_LOAD_NO_HINTING;
else
load_flags |= load_target;
--
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