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101 lines
3.1 KiB
Rust
101 lines
3.1 KiB
Rust
use pacman::texture::{sprite::SpriteAtlas, text::TextTexture};
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use speculoos::prelude::*;
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mod common;
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use common::create_atlas;
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/// Helper function to get all characters that should be in the atlas
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fn get_all_chars() -> String {
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let mut chars = Vec::new();
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chars.extend('A'..='Z');
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chars.extend('0'..='9');
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chars.extend(['!', '-', '"', '/']);
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chars.into_iter().collect()
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}
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/// Helper function to check if a character is in the atlas and char_map
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fn check_char(text_texture: &mut TextTexture, atlas: &mut SpriteAtlas, c: char) {
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// Check that the character is not in the char_map yet
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assert_that(&text_texture.get_char_map().contains_key(&c)).is_false();
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// Get the tile from the atlas, which caches the tile in the char_map
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let tile = text_texture.get_tile(c, atlas);
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assert_that(&tile.is_ok()).is_true();
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assert_that(&tile.unwrap().is_some()).is_true();
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// Check that the tile is now cached in the char_map
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assert_that(&text_texture.get_char_map().contains_key(&c)).is_true();
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}
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#[test]
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fn test_chars() -> Result<(), String> {
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let (mut canvas, ..) = common::setup_sdl().map_err(|e| e.to_string())?;
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let mut atlas = create_atlas(&mut canvas);
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let mut text_texture = TextTexture::default();
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get_all_chars()
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.chars()
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.for_each(|c| check_char(&mut text_texture, &mut atlas, c));
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Ok(())
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}
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#[test]
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fn test_render() -> Result<(), String> {
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let (mut canvas, ..) = common::setup_sdl().map_err(|e| e.to_string())?;
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let mut atlas = create_atlas(&mut canvas);
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let mut text_texture = TextTexture::default();
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let test_strings = vec!["Hello, world!".to_string(), get_all_chars()];
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for string in test_strings {
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if let Err(e) = text_texture.render(&mut canvas, &mut atlas, &string, glam::UVec2::new(0, 0)) {
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return Err(e.to_string());
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}
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}
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Ok(())
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}
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#[test]
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fn test_text_width() -> Result<(), String> {
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let text_texture = TextTexture::default();
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let test_strings = vec!["Hello, world!".to_string(), get_all_chars()];
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for string in test_strings {
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let width = text_texture.text_width(&string);
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let height = text_texture.text_height();
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assert_that(&(width > 0)).is_true();
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assert_that(&(height > 0)).is_true();
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}
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Ok(())
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}
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#[test]
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fn test_text_scale() -> Result<(), String> {
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let string = "ABCDEFG !-/\"";
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let base_width = (string.len() * 8) as u32;
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let text_texture = TextTexture::new(0.5);
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assert_that(&text_texture.text_height()).is_equal_to(4);
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assert_that(&text_texture.text_width("")).is_equal_to(0);
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assert_that(&text_texture.text_width(string)).is_equal_to(base_width / 2);
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let text_texture = TextTexture::new(2.0);
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assert_that(&text_texture.text_height()).is_equal_to(16);
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assert_that(&text_texture.text_width(string)).is_equal_to(base_width * 2);
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assert_that(&text_texture.text_width("")).is_equal_to(0);
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let text_texture = TextTexture::new(1.0);
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assert_that(&text_texture.text_height()).is_equal_to(8);
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assert_that(&text_texture.text_width(string)).is_equal_to(base_width);
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assert_that(&text_texture.text_width("")).is_equal_to(0);
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Ok(())
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}
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