extern crate agg; use agg::PixelDraw; use agg::PixelData; use agg::Pixel; #[test] fn t06_simple_line() { let mut pix = agg::pixfmt::Pixfmt::::new(320,200); let black = agg::color::Rgb8::black(); let w = pix.width(); let h = pix.height(); pix.fill(agg::color::Rgb8::white()); let r = h as f64/2.0; let (x0,y0) = (w as f64/2.0, h as f64/2.0); for i in (0 .. 360).step_by(1) { let x1 = x0 + r * (i as f64).to_radians().cos(); let y1 = y0 + r * (i as f64).to_radians().sin(); //println!("angle: {} {} {}", i, x1,y1); pix.line(x0,y0, x1, y1, black); } agg::ppm::write_ppm(&pix.pixeldata(), w, h, "agg_test_06.ppm").unwrap(); agg::ppm::compare_ppm("agg_test_06.ppm", "tests/agg_test_06.ppm"); }