1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173

#![cfg_attr(not(test), no_std)]

extern crate embedded_graphics;

use embedded_graphics::{
    geometry::Size,
    image::ImageRaw,
    mono_font::{DecorationDimensions, MonoFont},
};

mod char_offset;
use char_offset::{char_offset_impl, CHARS_PER_ROW};

/// The 8x8 regular
///
/// [![8x8 regular font spritemap screenshot](https://raw.githubusercontent.com/sbechet/ibm437/master/doc/ibm437_font_8_8_regular.png)](https://raw.githubusercontent.com/sbechet/ibm437/master/doc/ibm437_font_8_8_regular.png)
///
#[cfg(feature = "regular8x8")]
pub const IBM437_8X8_REGULAR: MonoFont = MonoFont {
    image: ImageRaw::new(
        include_bytes!(concat!(
            core::env!("OUT_DIR"),
            "/ibm437_font_8_8_regular.raw"
        )),
        CHARS_PER_ROW as u32 * 8,
    ),
    glyph_mapping: &char_offset_impl,
    character_size: Size::new(8, 8),
    character_spacing: 0,
    baseline: 6,
    underline: DecorationDimensions::new(8, 1),
    strikethrough: DecorationDimensions::default_strikethrough(8),
};

/// The 8x8 bold
///
/// [![8x8 bold font spritemap screenshot](https://raw.githubusercontent.com/sbechet/ibm437/master/doc/ibm437_font_8_8_bold.png)](https://raw.githubusercontent.com/sbechet/ibm437/master/doc/ibm437_font_8_8_bold.png)
///
#[cfg(feature = "bold8x8")]
pub const IBM437_8X8_BOLD: MonoFont = MonoFont {
    image: ImageRaw::new(
        include_bytes!(concat!(core::env!("OUT_DIR"), "/ibm437_font_8_8_bold.raw")),
        CHARS_PER_ROW as u32 * 8,
    ),
    glyph_mapping: &char_offset_impl,
    character_size: Size::new(8, 8),
    character_spacing: 0,
    baseline: 6,
    underline: DecorationDimensions::new(8, 1),
    strikethrough: DecorationDimensions::default_strikethrough(8),
};

/// The 9x14 regular
///
/// [![9x14 regular font spritemap screenshot](https://raw.githubusercontent.com/sbechet/ibm437/master/doc/ibm437_font_9_14_regular.png)](https://raw.githubusercontent.com/sbechet/ibm437/master/doc/ibm437_font_9_14_regular.png)
///
#[cfg(feature = "regular9x14")]
pub const IBM437_9X14_REGULAR: MonoFont = MonoFont {
    image: ImageRaw::new(
        include_bytes!(concat!(
            core::env!("OUT_DIR"),
            "/ibm437_font_9_14_regular.raw"
        )),
        CHARS_PER_ROW as u32 * 9,
    ),
    glyph_mapping: &char_offset_impl,
    character_size: Size::new(9, 14),
    character_spacing: 0,
    baseline: 10,
    underline: DecorationDimensions::new(14, 1),
    strikethrough: DecorationDimensions::default_strikethrough(14),
};

#[cfg(test)]
mod test {
    use super::*;
    use embedded_graphics::{
        mock_display::MockDisplay,
        mono_font::{MonoTextStyle, MonoTextStyleBuilder},
        pixelcolor::BinaryColor,
        prelude::*,
        text::Text,
    };

    #[test]
    fn test_a() {
        let mut display = MockDisplay::new();

        assert_eq!(char_offset_impl('a'), 'a' as usize);

        let style = MonoTextStyle::new(&IBM437_8X8_REGULAR, BinaryColor::On);

        Text::new("a", Point::new(0, 6), style)
            .draw(&mut display)
            .unwrap();

        assert_eq!(
            display,
            MockDisplay::from_pattern(&[
                "            ",
                "            ",
                "  ####      ",
                "      #     ",
                "  #####     ",
                " #    #     ",
                "  ######    ",
                "            ",
            ])
        );
    }

    #[test]
    fn test_nbsp() {
        let mut display = MockDisplay::new();

        assert_eq!(char_offset_impl('\u{A0}'), '\u{A0}' as usize);

        let style = MonoTextStyleBuilder::new()
            .font(&IBM437_8X8_REGULAR)
            .text_color(BinaryColor::On)
            .background_color(BinaryColor::Off)
            .build();

        Text::new("\u{A0}", Point::new(0, 6), style)
            .draw(&mut display)
            .unwrap();

        assert_eq!(
            display,
            MockDisplay::from_pattern(&[
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
            ])
        );
    }

    #[test]
    fn test_space() {
        let mut display = MockDisplay::new();

        assert_eq!(char_offset_impl(' '), ' ' as usize);

        let style = MonoTextStyleBuilder::new()
            .font(&IBM437_8X8_REGULAR)
            .text_color(BinaryColor::On)
            .background_color(BinaryColor::Off)
            .build();

        Text::new(" ", Point::new(0, 6), style)
            .draw(&mut display)
            .unwrap();

        assert_eq!(
            display,
            MockDisplay::from_pattern(&[
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
                "........     ",
            ])
        );
    }
}