draw_shape/
draw_shape.rs

1// Copyright 2016 Google Inc. All rights reserved.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15//! A simple test program for exercising the rasterizer.
16
17extern crate font_rs;
18
19use std::io::{stdout, Write};
20
21use font_rs::geom::Point;
22use font_rs::raster::Raster;
23
24fn draw_shape(r: &mut Raster, s: f32) {
25    r.draw_line(
26        &Point {
27            x: s * 10.0,
28            y: s * 10.5,
29        },
30        &Point {
31            x: s * 20.0,
32            y: s * 150.0,
33        },
34    );
35    r.draw_line(
36        &Point {
37            x: s * 20.0,
38            y: s * 150.0,
39        },
40        &Point {
41            x: s * 50.0,
42            y: s * 139.0,
43        },
44    );
45    r.draw_quad(
46        &Point {
47            x: s * 50.0,
48            y: s * 139.0,
49        },
50        &Point {
51            x: s * 100.0,
52            y: s * 60.0,
53        },
54        &Point {
55            x: s * 10.0,
56            y: s * 10.5,
57        },
58    );
59}
60
61fn main() {
62    let w = 400;
63    let h = 400;
64    let mut r = Raster::new(w, h);
65    draw_shape(&mut r, 4.0);
66    let mut o = stdout();
67    let _ = o.write(format!("P5\n{} {}\n255\n", w, h).as_bytes());
68    let _ = o.write(&r.get_bitmap());
69}
draw_shape/draw_shape.rs

draw_shape/
draw_shape.rs
