public bool TryGetGlyphExtents(uint glyph, out GlyphExtents extents)
{
fixed(GlyphExtents *e = &extents)
{
return(HarfBuzzApi.hb_font_get_glyph_extents(Handle, glyph, e));
}
}
public void ShouldSetGlyphExtentsDelegate()
{
using (var font = new Font(Font))
using (var fontFuncs = new FontFunctions())
{
var expected = new GlyphExtents {
Height = 1337
};
fontFuncs.SetGlyphExtentsDelegate((Font f, object fd, uint g, out GlyphExtents e) =>
{
e = expected;
return(true);
});
fontFuncs.MakeImmutable();
font.SetFontFunctions(fontFuncs, "FontData");
var result = font.TryGetGlyphExtents('H', out var extents);
Assert.True(result);
Assert.Equal(expected, extents);
}
}
public bool TryGetGlyphExtents(uint glyph, out GlyphExtents extents) => HarfBuzzApi.hb_font_get_glyph_extents(Handle, glyph, out extents);
public extern static bool hb_font_get_glyph_extents(hb_font_t font, hb_codepoint_t glyph, out GlyphExtents extents);
private static bool GlyphExtentsProxyImplementation(IntPtr font, IntPtr fontData, uint glyph, out GlyphExtents extents, IntPtr context)
{
var del = GetMulti <GlyphExtentsDelegate> (context, out _);
var userData = GetUserData <FontUserData> (fontData);
return(del.Invoke(userData.Font, userData.FontData, glyph, out extents));
}
