orientation/
orientation.rs

1use inkview::bindings::APPLICATION_ATTRIBUTE_APPLICATION_READER;
2use inkview::{bindings, Event};
3use std::ffi::{c_int, CString};
4
5fn main() {
6    let iv = Box::leak(Box::new(inkview::load())) as &_;
7    const FONT_SIZE: c_int = 24;
8    let mut orientation = 0;
9    let draw = |iv: &inkview::bindings::Inkview| unsafe {
10        let font_name = CString::new("LiberationSans").unwrap();
11        let text = CString::new("Press Menu to toggle the orientation!").unwrap();
12
13        let font = iv.OpenFont(font_name.as_ptr(), FONT_SIZE, 0);
14        iv.ClearScreen();
15        iv.SetFont(font, bindings::BLACK as c_int);
16        iv.FillArea(
17            50,
18            250,
19            iv.ScreenWidth() - 50 * 2,
20            iv.ScreenHeight() - 250 * 2,
21            0x00E0E0E0,
22        );
23        iv.FillArea(
24            100,
25            300,
26            iv.ScreenWidth() - 100 * 2,
27            iv.ScreenHeight() - 300 * 2,
28            0x00A0A0A0,
29        );
30        iv.DrawTextRect(
31            0,
32            iv.ScreenHeight() / 2 - FONT_SIZE / 2,
33            iv.ScreenWidth(),
34            FONT_SIZE,
35            text.as_ptr(),
36            bindings::ALIGN_CENTER as c_int,
37        );
38        iv.FullUpdate();
39        iv.CloseFont(font);
40    };
41
42    inkview::iv_main(&iv, move |event| {
43        match event {
44            Event::Init => {
45                unsafe {
46                    iv.SetCurrentApplicationAttribute(APPLICATION_ATTRIBUTE_APPLICATION_READER, 1);
47                    iv.SetOrientation(orientation);
48                }
49                draw(iv);
50            }
51            Event::KeyDown { key } => match key {
52                inkview::event::Key::Menu => {
53                    orientation = match orientation {
54                        0 => 2,
55                        2 => 3,
56                        3 => 1,
57                        1 => 0,
58                        _ => unreachable!(),
59                    };
60                    unsafe {
61                        iv.SetOrientation(orientation);
62                    }
63                    draw(iv);
64                }
65                _ => unsafe {
66                    iv.CloseApp();
67                },
68            },
69            _ => {}
70        }
71        Some(())
72    });
73}
orientation/orientation.rs

orientation/
orientation.rs
