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Commit bac1aec6 authored by Roozbeh Pournader's avatar Roozbeh Pournader
Browse files

Test Roboto's vertical font metrics 

Test that yMin, yMax, Ascent, and Descent values of Roboto are not
changed.

Bug: 26187231
Change-Id: Ia41f5a118e292b8eda8dae5124be112dc0cdbc8d
parent d67c142a

tools/fonts/fontchain_lint.py

+11 −0
Original line number Diff line number Diff line
@@ -554,6 +554,15 @@ def compute_expected_emoji(): 
    return all_emoji, default_emoji, equivalent_emoji





def check_vertical_metrics():

    for record in _fallback_chain:

        if record.name in ['sans-serif', 'sans-serif-condensed']:

            font = open_font(record.font)

            assert (font['head'].yMax == 2163 and font['head'].yMin == -555 and

                    font['hhea'].ascent == 1900 and font['hhea'].descent == -500), (

                   'Vertical metrics of %s do not match expected Roboto metrics.' % (record.font,))





def main():

    global _fonts_dir

    target_out = sys.argv[1]
@@ -562,6 +571,8 @@ def main(): 
    fonts_xml_path = path.join(target_out, 'etc', 'fonts.xml')

    parse_fonts_xml(fonts_xml_path)



    check_vertical_metrics()



    hyphens_dir = path.join(target_out, 'usr', 'hyphen-data')

    check_hyphens(hyphens_dir)