pic_scale/
image_size.rs

1/*
2 * Copyright (c) Radzivon Bartoshyk. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification,
5 * are permitted provided that the following conditions are met:
6 *
7 * 1.  Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * 2.  Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * 3.  Neither the name of the copyright holder nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29use std::ops::{Add, Div, Sub};
30
31/// Struct that represents image size
32#[derive(Debug, Copy, Clone, Ord, PartialOrd, Eq)]
33pub struct ImageSize {
34    pub width: usize,
35    pub height: usize,
36}
37
38impl ImageSize {
39    /// Creates new image size
40    pub fn new(width: usize, height: usize) -> ImageSize {
41        ImageSize { width, height }
42    }
43}
44
45impl Sub<usize> for ImageSize {
46    type Output = ImageSize;
47    fn sub(self, rhs: usize) -> ImageSize {
48        ImageSize::new(self.width - rhs, self.height - rhs)
49    }
50}
51
52impl Add<usize> for ImageSize {
53    type Output = ImageSize;
54    fn add(self, rhs: usize) -> ImageSize {
55        ImageSize::new(self.width + rhs, self.height + rhs)
56    }
57}
58
59impl Div<usize> for ImageSize {
60    type Output = ImageSize;
61    fn div(self, rhs: usize) -> ImageSize {
62        ImageSize::new(self.width / rhs, self.height / rhs)
63    }
64}
65
66impl PartialEq for ImageSize {
67    fn eq(&self, other: &Self) -> bool {
68        self.width == other.width && self.height == other.height
69    }
70}
pic_scale/image_size.rs

pic_scale/
image_size.rs
