// Copyright 2025 Google LLC

//

// Licensed under the Apache License, Version 2.0 (the "License");

// you may not use this file except in compliance with the License.

// You may obtain a copy of the License at

//

//      http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS,

// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

// See the License for the specific language governing permissions and

// limitations under the License.

// Transformed from ttf-parser/testing-tools/ttf-fuzz/src/fuzz-variable-outline.rs

// for LibFuzzer and Cargo-Fuzz compatibility 

#![no_main]

use libfuzzer_sys::fuzz_target;

use ttf_parser::{Face, GlyphId, OutlineBuilder, Tag};

struct Builder(usize);

impl OutlineBuilder for Builder {

    #[inline]

    fn move_to(&mut self, _: f32, _: f32) {

        self.0 += 1;

    }

    #[inline]

    fn line_to(&mut self, _: f32, _: f32) {

        self.0 += 1;

    }

    #[inline]

    fn quad_to(&mut self, _: f32, _: f32, _: f32, _: f32) {

        self.0 += 2;

    }

    #[inline]

    fn curve_to(&mut self, _: f32, _: f32, _: f32, _: f32, _: f32, _: f32) {

        self.0 += 3;

    }

    #[inline]

    fn close(&mut self) {

        self.0 += 1;

    }

}

fuzz_target!(|data: &[u8]| {

    if let Ok(mut face) = Face::parse(data, 0) {

        if face.set_variation(Tag::from_bytes(b"wght"), 500.0).is_some() {

            for id in 0..face.number_of_glyphs() {

                let _ = face.outline_glyph(GlyphId(id), &mut Builder(0));

            }

        }

    }

});