FreeType generated font misses some characters with certain parameters

Issue details

When using the font provided below and one of the affected sizes some characters are not rendered.

Reproduction steps/code

1. Generate new project with FreeType feature enabled
2. Replace the body of your generated ApplicationAdapter class (MyGdxGame by default) with this:

    private SpriteBatch batch;
    private BitmapFont font;

    @Override
    public void create() {
        batch = new SpriteBatch();

        FreeTypeFontGenerator fontGenerator =
                new FreeTypeFontGenerator(Gdx.files.internal("Carlito-Regular.ttf"));

        FreeTypeFontGenerator.FreeTypeFontParameter parameter =
                new FreeTypeFontGenerator.FreeTypeFontParameter();

        // Rendered text depending on font size:

        // 211:       "abcde" as expected
        // 212:       "something strange bcde"
        // 214 - 215: " b de"
        // 216 - 262: " b d "
        // 263:       " bcde"
        // 264 - 266: " b de"
        // 267 - 268: " b d "
        // 269:       "abcde" as expected

        parameter.size = 216;

        font = fontGenerator.generateFont(parameter);
    }

    @Override
    public void render() {
        Gdx.gl.glClearColor(0, 0, 0, 1);
        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);

        batch.begin();
        font.draw(batch, "abcde", 5, 300);
        batch.end();
    }

    @Override
    public void dispose() {
        batch.dispose();
        font.dispose();
    }

1. Download Carlito font from https://fontlibrary.org/en/font/carlito and copy Carlito-Regular.ttf to your assets folder
2. Set parameter.size to one of the values from the comments above
3. Run and see a certain kind of unexpected render

Version of LibGDX and/or relevant dependencies

• LibGdx 1.9.8 • Windows and Android, other platforms not tested • Carlito-Regular.ttf font, other fonts not tested.

Please select the affected platforms

• [+] Android
• [?] iOS (robovm)
• [?] iOS (MOE)
• [?] HTML/GWT
• [+] Windows
• [?] Linux
• [?] MacOS

[NathanSweet]

Cool, glad you got it sorted. Sorry it took so long to reply. I’ve updated the wiki. Feel free to make wiki contributions! I believe anyone can edit the wiki, that is what it is there for.

BTW, you might look at DistanceFieldFont: https://github.com/libgdx/libgdx/wiki/Distance-field-fonts That wiki page looks outdated though, since it doesn’t even mention that you should use the shader created by DistanceFieldFont.createDistanceFieldShader.

[Vlad-M-1]

Found a much more simple solution:

FreeTypeFontGenerator.setMaxTextureSize(4096);

Then I guess it’s even better to mention this method on https://github.com/libgdx/libgdx/wiki/Gdx-freetype