text_measures/
text_measures.rs

1use macroquad::prelude::*;
2
3fn draw_text_annotated(text: &str, font: Option<&Font>, x: f32, baseline: f32) {
4    let size = measure_text(text, font, 100, 1.0);
5
6    // Full background rect
7    draw_rectangle(x, baseline - size.offset_y, size.width, size.height, BLUE);
8
9    // Base line
10    draw_rectangle(x, baseline - 2.0, size.width, 4.0, RED);
11
12    // Base line annotation
13    draw_rectangle(x + size.width, baseline - 1.0, 120.0, 1.0, GRAY);
14    draw_text(
15        "baseline",
16        x + size.width + 10.0,
17        baseline - 5.0,
18        30.0,
19        WHITE,
20    );
21
22    // Top line
23    draw_rectangle(x, baseline - 2.0 - size.offset_y, size.width, 4.0, RED);
24
25    // Top line annotation
26    draw_rectangle(
27        x + size.width,
28        baseline - size.offset_y - 1.0,
29        120.0,
30        1.0,
31        GRAY,
32    );
33    draw_text(
34        "topline",
35        x + size.width + 10.0,
36        baseline - size.offset_y - 5.0,
37        30.0,
38        WHITE,
39    );
40
41    // Bottom line
42    draw_rectangle(
43        x,
44        baseline - 2.0 - size.offset_y + size.height,
45        size.width,
46        4.0,
47        RED,
48    );
49
50    // Bottom line annotation
51    draw_rectangle(
52        x + size.width,
53        baseline - size.offset_y + size.height - 1.0,
54        120.0,
55        1.0,
56        GRAY,
57    );
58    draw_text(
59        "bottomline",
60        x + size.width + 10.0,
61        baseline - size.offset_y + size.height - 5.0,
62        30.0,
63        WHITE,
64    );
65
66    draw_text_ex(
67        text,
68        x,
69        baseline,
70        TextParams {
71            font_size: 100,
72            font,
73            ..Default::default()
74        },
75    );
76}
77
78#[macroquad::main("Text")]
79async fn main() {
80    let font = load_ttf_font("./examples/DancingScriptRegular.ttf")
81        .await
82        .unwrap();
83
84    loop {
85        clear_background(BLACK);
86
87        let text = "abcdIj";
88
89        draw_text_annotated(text, None, 40.0, 200.0);
90        draw_text_annotated(text, Some(&font), 400.0, 400.0);
91
92        next_frame().await
93    }
94}
text_measures/text_measures.rs

text_measures/
text_measures.rs
