func (v *Context) FontExtents() FontExtents {
var extents C.cairo_font_extents_t
C.cairo_font_extents(v.native(), &extents)
return FontExtents{
Ascent: float64(extents.ascent),
Descent: float64(extents.descent),
Height: float64(extents.height),
MaxXAdvance: float64(extents.max_x_advance),
MaxYAdvance: float64(extents.max_y_advance),
}
}
func (self *Surface) GetFontExtents() *GFontExtents {
e := new(FontExtents)
C.cairo_font_extents(self.context, &(e.extents))
r := new(GFontExtents)
r.Ascent = float64(e.extents.ascent)
r.Descent = float64(e.extents.descent)
r.Height = float64(e.extents.height)
r.MaxXAdvance = float64(e.extents.max_x_advance)
r.MaxYAdvance = float64(e.extents.max_y_advance)
return r
}
// void cairo_font_extents(cairo_t *cr, cairo_font_extents_t *extents);
func (self *Surface) FontExtents(extents *FontExtents) {
C.cairo_font_extents(self.context, (*C.cairo_font_extents_t)(unsafe.Pointer(extents)))
}
//FontExtents returns the extents of the currently selected font.
//
//Originally cairo_font_extents.
func (c *Context) FontExtents() FontExtents {
var f C.cairo_font_extents_t
C.cairo_font_extents(c.c, &f)
return XtensionFontExtentsCtoGo(f)
}