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Use bearingX adjustment to render FreeType glyphs correctly

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This commit is contained in:
David Capello 2016-03-17 11:11:08 -03:00
parent 8304b7511d
commit 6d3c09d088
1 changed files with 3 additions and 1 deletions
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4
src/ft/face.h
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@ -21,6 +21,7 @@ namespace ft {
FT_UInt glyph_index; FT_UInt glyph_index;
FT_Glyph ft_glyph; FT_Glyph ft_glyph;
FT_Bitmap* bitmap; FT_Bitmap* bitmap;
double bearingX;
double bearingY; double bearingY;
double x; double x;
double y; double y;
@ -121,7 +122,7 @@ namespace ft {
this->m_face, glyph_index, this->m_antialias); this->m_face, glyph_index, this->m_antialias);
if (glyph) { if (glyph) {
glyph->bitmap = &FT_BitmapGlyph(glyph->ft_glyph)->bitmap; glyph->bitmap = &FT_BitmapGlyph(glyph->ft_glyph)->bitmap;
glyph->x = x; glyph->x = x + glyph->bearingX;
glyph->y = y glyph->y = y
+ this->height() + this->height()
+ this->descender() // descender is negative + this->descender() // descender is negative
@ -188,6 +189,7 @@ namespace ft {
} }
m_glyph.ft_glyph = ft_glyph; m_glyph.ft_glyph = ft_glyph;
m_glyph.bearingX = face->glyph->metrics.horiBearingX / 64.0;
m_glyph.bearingY = face->glyph->metrics.horiBearingY / 64.0; m_glyph.bearingY = face->glyph->metrics.horiBearingY / 64.0;
return &m_glyph; return &m_glyph;