diff options
Diffstat (limited to 'src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh')
| -rw-r--r-- | src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh b/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh new file mode 100644 index 0000000000..a43b6691ab --- /dev/null +++ b/src/3rdparty/harfbuzz-ng/src/OT/glyf/GlyphHeader.hh @@ -0,0 +1,52 @@ +#ifndef OT_GLYF_GLYPHHEADER_HH +#define OT_GLYF_GLYPHHEADER_HH + + +#include "../../hb-open-type.hh" + + +namespace OT { +namespace glyf_impl { + + +struct GlyphHeader +{ + bool has_data () const { return numberOfContours; } + + template <typename accelerator_t> + bool get_extents_without_var_scaled (hb_font_t *font, const accelerator_t &glyf_accelerator, + hb_codepoint_t gid, hb_glyph_extents_t *extents) const + { + /* Undocumented rasterizer behavior: shift glyph to the left by (lsb - xMin), i.e., xMin = lsb */ + /* extents->x_bearing = hb_min (glyph_header.xMin, glyph_header.xMax); */ + int lsb = hb_min (xMin, xMax); + (void) glyf_accelerator.hmtx->get_leading_bearing_without_var_unscaled (gid, &lsb); + extents->x_bearing = lsb; + extents->y_bearing = hb_max (yMin, yMax); + extents->width = hb_max (xMin, xMax) - hb_min (xMin, xMax); + extents->height = hb_min (yMin, yMax) - hb_max (yMin, yMax); + + font->scale_glyph_extents (extents); + + return true; + } + + HBINT16 numberOfContours; + /* If the number of contours is + * greater than or equal to zero, + * this is a simple glyph; if negative, + * this is a composite glyph. */ + FWORD xMin; /* Minimum x for coordinate data. */ + FWORD yMin; /* Minimum y for coordinate data. */ + FWORD xMax; /* Maximum x for coordinate data. */ + FWORD yMax; /* Maximum y for coordinate data. */ + public: + DEFINE_SIZE_STATIC (10); +}; + + +} /* namespace glyf_impl */ +} /* namespace OT */ + + +#endif /* OT_GLYF_GLYPHHEADER_HH */ |