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remove workaround for broken fonts

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Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
This commit is contained in:
Ivailo Monev 2022-01-02 00:44:45 +02:00
parent 61cad2da54
commit 1a4c171af2
2 changed files with 11 additions and 36 deletions
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45
src/gui/text/qfontengine_ft.cpp
View file

@ -125,32 +125,9 @@ QFontEngine::Properties QFreetypeFace::properties() const
return p;
}
/* Some fonts (such as MingLiu rely on hinting to scale different
components to their correct sizes. While this is really broken (it
should be done in the component glyph itself, not the hinter) we
will have to live with it.
This means we can not use FT_LOAD_NO_HINTING to get the glyph
outline. All we can do is to load the unscaled glyph and scale it
down manually when required.
*/
static void scaleOutline(FT_Face face, FT_GlyphSlot g, FT_Fixed x_scale, FT_Fixed y_scale)
{
x_scale = FT_MulDiv(x_scale, 1 << 10, face->units_per_EM);
y_scale = FT_MulDiv(y_scale, 1 << 10, face->units_per_EM);
FT_Vector *p = g->outline.points;
const FT_Vector *e = p + g->outline.n_points;
while (p < e) {
p->x = FT_MulFix(p->x, x_scale);
p->y = FT_MulFix(p->y, y_scale);
++p;
}
}
void QFreetypeFace::addGlyphToPath(FT_Face face, FT_GlyphSlot g, const QFixedPoint &point, QPainterPath *path, FT_Fixed x_scale, FT_Fixed y_scale)
void QFreetypeFace::addGlyphToPath(FT_Face face, FT_GlyphSlot g, const QFixedPoint &point, QPainterPath *path)
{
static const qreal factor = (1.0 / 64.0);
scaleOutline(face, g, x_scale, y_scale);
QPointF cp = point.toPointF();
@ -258,15 +235,13 @@ QFontEngineFT::QFontEngineFT(const QFontDef &fd, FcPattern *pattern)
}
#if defined(FC_AUTOHINT) && defined(FT_LOAD_FORCE_AUTOHINT)
{
bool autohint = false;
FcBool b;
if (FcPatternGetBool(pattern, FC_AUTOHINT, 0, &b) == FcResultMatch) {
autohint = b;
}
if (autohint) {
default_load_flags |= FT_LOAD_FORCE_AUTOHINT;
}
bool autohint = false;
FcBool b;
if (FcPatternGetBool(pattern, FC_AUTOHINT, 0, &b) == FcResultMatch) {
autohint = b;
}
if (autohint) {
default_load_flags |= FT_LOAD_FORCE_AUTOHINT;
}
#endif
@ -611,7 +586,7 @@ void QFontEngineFT::getUnscaledGlyph(glyph_t glyph, QPainterPath *path, glyph_me
metrics->y = QFixed::fromFixed(-top);
metrics->xoff = QFixed::fromFixed(face->glyph->advance.x);
QFreetypeFace::addGlyphToPath(face, face->glyph, p, path, face->units_per_EM << 6, face->units_per_EM << 6);
QFreetypeFace::addGlyphToPath(face, face->glyph, p, path);
setFace(QFontEngineFT::Scaled);
}
@ -652,7 +627,7 @@ void QFontEngineFT::addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int
for (int gl = 0; gl < numGlyphs; gl++) {
loadGlyph(glyphs[gl], load_flags);
QFreetypeFace::addGlyphToPath(face, face->glyph, positions[gl], path, face->units_per_EM << 6, face->units_per_EM << 6);
QFreetypeFace::addGlyphToPath(face, face->glyph, positions[gl], path);
}
}

2
src/gui/text/qfontengine_ft_p.h
View file

@ -75,7 +75,7 @@ public:
int fsType() const;
static void addGlyphToPath(FT_Face face, FT_GlyphSlot g, const QFixedPoint &point, QPainterPath *path, FT_Fixed x_scale, FT_Fixed y_scale);
static void addGlyphToPath(FT_Face face, FT_GlyphSlot g, const QFixedPoint &point, QPainterPath *path);
private:
Q_DISABLE_COPY(QFreetypeFace);