C++ (Cpp) hb_font_funcs_make_immutable示例

示例#1

文件： HarfBuzzFaceCoreText.cpp 项目： clbr/webkitfltk

static hb_font_funcs_t* harfBuzzCoreTextGetFontFuncs()
{
    static hb_font_funcs_t* harfBuzzCoreTextFontFuncs = 0;

    if (!harfBuzzCoreTextFontFuncs) {
        harfBuzzCoreTextFontFuncs = hb_font_funcs_create();
        hb_font_funcs_set_glyph_func(harfBuzzCoreTextFontFuncs, getGlyph, 0, 0);
        hb_font_funcs_set_glyph_h_advance_func(harfBuzzCoreTextFontFuncs, getGlyphHorizontalAdvance, 0, 0);
        hb_font_funcs_set_glyph_h_origin_func(harfBuzzCoreTextFontFuncs, getGlyphHorizontalOrigin, 0, 0);
        hb_font_funcs_set_glyph_extents_func(harfBuzzCoreTextFontFuncs, getGlyphExtents, 0, 0);
        hb_font_funcs_make_immutable(harfBuzzCoreTextFontFuncs);
    }
    return harfBuzzCoreTextFontFuncs;
}

示例#2

文件： HarfBuzzNGFaceSkia.cpp 项目： AlanCheen/platform_frameworks_base

static hb_font_funcs_t* harfbuzzSkiaGetFontFuncs()
{
    static hb_font_funcs_t* harfbuzzSkiaFontFuncs = 0;

    // We don't set callback functions which we can't support.
    // Harfbuzz will use the fallback implementation if they aren't set.
    if (!harfbuzzSkiaFontFuncs) {
        harfbuzzSkiaFontFuncs = hb_font_funcs_create();
        hb_font_funcs_set_glyph_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyph, 0, 0);
        hb_font_funcs_set_glyph_h_advance_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyphHorizontalAdvance, 0, 0);
        hb_font_funcs_set_glyph_h_origin_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyphHorizontalOrigin, 0, 0);
        hb_font_funcs_set_glyph_extents_func(harfbuzzSkiaFontFuncs, harfbuzzGetGlyphExtents, 0, 0);
        hb_font_funcs_make_immutable(harfbuzzSkiaFontFuncs);
    }
    return harfbuzzSkiaFontFuncs;
}