예제 #1
0
void setCairoFontOptionsFromFontConfigPattern(cairo_font_options_t* options, FcPattern* pattern)
{
    FcBool booleanResult;
    int integerResult;

    if (FcPatternGetInteger(pattern, FC_RGBA, 0, &integerResult) == FcResultMatch) {
        cairo_font_options_set_subpixel_order(options, convertFontConfigSubpixelOrder(integerResult));

        // Based on the logic in cairo-ft-font.c in the cairo source, a font with
        // a subpixel order implies that is uses subpixel antialiasing.
        if (integerResult != FC_RGBA_NONE)
            cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_SUBPIXEL);
    }

    if (FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &booleanResult) == FcResultMatch) {
        // Only override the anti-aliasing setting if was previously turned off. Otherwise
        // we'll override the preference which decides between gray anti-aliasing and
        // subpixel anti-aliasing.
        if (!booleanResult)
            cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_NONE);
        else if (cairo_font_options_get_antialias(options) == CAIRO_ANTIALIAS_NONE)
            cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);
    }

    if (FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &integerResult) == FcResultMatch)
        cairo_font_options_set_hint_style(options, convertFontConfigHintStyle(integerResult));
    if (FcPatternGetBool(pattern, FC_HINTING, 0, &booleanResult) == FcResultMatch && !booleanResult)
        cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
}
예제 #2
0
void setCairoFontOptionsFromFontConfigPattern(cairo_font_options_t* options, FcPattern* pattern)
{
    FcBool booleanResult;
    int integerResult;

    // We will determine if subpixel anti-aliasing is enabled via the FC_RGBA setting.
    if (FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &booleanResult) == FcResultMatch && booleanResult)
        cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_GRAY);

    if (FcPatternGetInteger(pattern, FC_RGBA, 0, &integerResult) == FcResultMatch) {
        if (integerResult != FC_RGBA_NONE)
            cairo_font_options_set_antialias(options, CAIRO_ANTIALIAS_SUBPIXEL);
        cairo_font_options_set_subpixel_order(options, convertFontConfigSubpixelOrder(integerResult));
    }

    if (FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &integerResult) == FcResultMatch)
        cairo_font_options_set_hint_style(options, convertFontConfigHintStyle(integerResult));

    if (FcPatternGetBool(pattern, FC_HINTING, 0, &booleanResult) == FcResultMatch && !booleanResult)
        cairo_font_options_set_hint_style(options, CAIRO_HINT_STYLE_NONE);
}