// Test restricting a "preferred" font's usage to a particular range.
// If two fonts each implement both of two ranges, but one font is superior for
// one range and the other font is superior for the other range, the first font
// can be restricted to only specified ranges.
func TestNewRichText_ChineseAndEnglish_ranges(t *testing.T) {
st := SuperTest{t}
fc, err := ttf_fonts.New("/Library/Fonts/*.ttf")
if err != nil {
t.Fatal(err)
}
cjk, err := ttf.NewCodepointRangeSet("CJK Unified Ideographs")
if err != nil {
t.Fatal(err)
}
stFangsong, err := font.New("STFangsong", options.Options{"ranges": cjk}, font.FontSources{fc})
if err != nil {
t.Fatal(err)
}
arial, err := font.New("Arial", options.Options{}, font.FontSources{fc})
if err != nil {
t.Fatal(err)
}
fonts := []*font.Font{stFangsong, arial}
rt, err := New("所有测abc", fonts, 10, options.Options{})
if err != nil {
t.Fatal(err)
}
st.Must(len(rt.pieces) == 2, "Expecting 2 pieces.")
st.Equal("所有测", rt.pieces[0].Text)
st.Equal(10.0, rt.pieces[0].FontSize)
st.Equal("abc", rt.pieces[1].Text)
st.Equal(10.0, rt.pieces[1].FontSize)
st.Equal(fonts[0], rt.pieces[0].Font, "Should be tagged with STFangsong font.")
st.Equal(fonts[1], rt.pieces[1].Font, "Should be tagged with Arial font.")
}
func (pw *PageWriter) AddFont(family string, options options.Options) ([]*font.Font, error) {
if font, err := font.New(family, options, pw.dw.fontSources); err != nil {
return nil, err
} else {
return pw.addFont(font), nil
}
}
func Families(families ...string) (fonts []*font.Font) {
fc, err := New("/Library/Fonts/*.ttf")
if err != nil {
panic(err)
}
for _, family := range families {
if family == "" {
fonts = append(fonts, nil)
continue
}
f, err := font.New(family, options.Options{}, font.FontSources{fc})
if err != nil {
panic(err)
}
fonts = append(fonts, f)
}
return
}