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https://github.com/italicsjenga/agb.git
synced 2024-12-24 00:31:34 +11:00
Add test for font output
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6485cc895a
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1b71ef6473
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@ -51,7 +51,7 @@ pub fn load_font(font_data: &[u8], pixels_per_em: f32) -> TokenStream {
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let advance_width = letter_data.advance_width.ceil() as u8;
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let advance_width = letter_data.advance_width.ceil() as u8;
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quote!(
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quote!(
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agb::display::FontLetter::new(
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display::FontLetter::new(
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#width,
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#width,
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#height,
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#height,
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#data_raw,
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#data_raw,
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@ -63,6 +63,6 @@ pub fn load_font(font_data: &[u8], pixels_per_em: f32) -> TokenStream {
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});
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});
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quote![
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quote![
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agb::display::Font::new(&[#(#font),*], #line_height, #ascent)
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display::Font::new(&[#(#font),*], #line_height, #ascent)
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]
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]
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}
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}
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@ -311,6 +311,13 @@ fn palete_tile_data(
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(palette_data, tile_data, assignments)
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(palette_data, tile_data, assignments)
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}
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}
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fn flatten_group(expr: &Expr) -> &Expr {
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match expr {
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Expr::Group(group) => &group.expr,
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_ => expr,
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}
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}
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#[proc_macro]
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#[proc_macro]
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pub fn include_font(input: TokenStream) -> TokenStream {
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pub fn include_font(input: TokenStream) -> TokenStream {
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let parser = Punctuated::<Expr, syn::Token![,]>::parse_separated_nonempty;
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let parser = Punctuated::<Expr, syn::Token![,]>::parse_separated_nonempty;
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@ -324,7 +331,7 @@ pub fn include_font(input: TokenStream) -> TokenStream {
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panic!("Include_font requires 2 arguments, got {}", all_args.len());
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panic!("Include_font requires 2 arguments, got {}", all_args.len());
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}
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}
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let filename = match &all_args[0] {
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let filename = match flatten_group(&all_args[0]) {
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Expr::Lit(ExprLit {
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Expr::Lit(ExprLit {
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lit: Lit::Str(str_lit),
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lit: Lit::Str(str_lit),
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..
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..
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@ -332,7 +339,7 @@ pub fn include_font(input: TokenStream) -> TokenStream {
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_ => panic!("Expected literal string as first argument to include_font"),
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_ => panic!("Expected literal string as first argument to include_font"),
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};
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};
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let font_size = match &all_args[1] {
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let font_size = match flatten_group(&all_args[1]) {
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Expr::Lit(ExprLit {
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Expr::Lit(ExprLit {
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lit: Lit::Float(value),
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lit: Lit::Float(value),
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..
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..
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BIN
agb/examples/font/font-test-output.png
Normal file
BIN
agb/examples/font/font-test-output.png
Normal file
Binary file not shown.
After Width: | Height: | Size: 1.3 KiB |
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@ -201,3 +201,48 @@ impl<'a> Drop for TextRenderer<'a> {
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}
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}
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}
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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const FONT: Font = crate::include_font!("examples/font/yoster.ttf", 12);
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#[test_case]
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fn font_display(gba: &mut crate::Gba) {
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let (gfx, mut vram) = gba.display.video.tiled0();
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let mut bg = gfx.background(crate::display::Priority::P0);
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vram.set_background_palette_raw(&[
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0x0000, 0x0ff0, 0x00ff, 0xf00f, 0xf0f0, 0x0f0f, 0xaaaa, 0x5555, 0x0000, 0x0000, 0x0000,
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0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
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]);
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let background_tile = vram.new_dynamic_tile().fill_with(0);
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for y in 0..20u16 {
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for x in 0..30u16 {
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bg.set_tile(
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&mut vram,
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(x, y).into(),
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&background_tile.tile_set(),
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TileSetting::from_raw(background_tile.tile_index()),
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);
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}
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}
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vram.remove_dynamic_tile(background_tile);
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let mut writer = FONT.render_text((0u16, 3u16).into(), 1, 2, &mut bg, &mut vram);
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writeln!(&mut writer, "Hello, World!").unwrap();
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writeln!(&mut writer, "This is a font rendering example").unwrap();
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writer.commit();
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bg.commit();
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bg.show();
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crate::test_runner::assert_image_output("examples/font/font-test-output.png");
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}
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}
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@ -961,6 +961,7 @@ mod tests {
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let object = gba.display.object.get();
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let object = gba.display.object.get();
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{
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let mut objects: Vec<_> = alloc::vec![
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let mut objects: Vec<_> = alloc::vec![
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object.object(object.sprite(BOSS.sprite(0))),
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object.object(object.sprite(BOSS.sprite(0))),
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object.object(object.sprite(EMU.sprite(0))),
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object.object(object.sprite(EMU.sprite(0))),
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@ -980,4 +981,7 @@ mod tests {
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object.commit();
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object.commit();
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}
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}
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object.commit();
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}
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}
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}
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@ -112,9 +112,19 @@
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/// ```
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/// ```
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pub use agb_image_converter::include_gfx;
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pub use agb_image_converter::include_gfx;
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#[doc(hidden)]
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pub use agb_image_converter::include_aseprite_inner;
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pub use agb_image_converter::include_aseprite_inner;
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pub use agb_image_converter::include_font;
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#[doc(hidden)]
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pub use agb_image_converter::include_font as include_font_inner;
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#[macro_export]
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macro_rules! include_font {
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($font_path: literal, $font_size: literal) => {{
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use $crate::display;
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$crate::include_font_inner!($font_path, $font_size)
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}};
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}
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/// This macro declares the entry point to your game written using `agb`.
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/// This macro declares the entry point to your game written using `agb`.
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///
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///
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@ -3,6 +3,7 @@
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mod runner;
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mod runner;
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use anyhow::{anyhow, Error};
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use anyhow::{anyhow, Error};
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use image::io::Reader;
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use image::io::Reader;
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use image::GenericImage;
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use io::Write;
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use io::Write;
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use regex::Regex;
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use regex::Regex;
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use runner::VideoBuffer;
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use runner::VideoBuffer;
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@ -135,15 +136,14 @@ fn rgba_to_gba_to_rgba(c: [u8; 4]) -> [u8; 4] {
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fn check_image_match(image_path: &str, video_buffer: &VideoBuffer) -> Result<(), Error> {
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fn check_image_match(image_path: &str, video_buffer: &VideoBuffer) -> Result<(), Error> {
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let expected_image = Reader::open(image_path)?.decode()?;
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let expected_image = Reader::open(image_path)?.decode()?;
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let expected = expected_image
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let expected = expected_image.to_rgba8();
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.as_rgba8()
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.ok_or(anyhow!("cannot convert to rgba8"))?;
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let (buf_dim_x, buf_dim_y) = video_buffer.get_size();
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let (buf_dim_x, buf_dim_y) = video_buffer.get_size();
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let (exp_dim_x, exp_dim_y) = expected.dimensions();
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let (exp_dim_x, exp_dim_y) = expected.dimensions();
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if (buf_dim_x != exp_dim_x) || (buf_dim_y != exp_dim_y) {
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if (buf_dim_x != exp_dim_x) || (buf_dim_y != exp_dim_y) {
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return Err(anyhow!("image sizes do not match"));
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return Err(anyhow!("image sizes do not match"));
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}
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}
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for y in 0..buf_dim_y {
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for y in 0..buf_dim_y {
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for x in 0..buf_dim_x {
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for x in 0..buf_dim_x {
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let video_pixel = video_buffer.get_pixel(x, y);
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let video_pixel = video_buffer.get_pixel(x, y);
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@ -151,10 +151,37 @@ fn check_image_match(image_path: &str, video_buffer: &VideoBuffer) -> Result<(),
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let video_pixel = gba_colour_to_rgba(video_pixel);
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let video_pixel = gba_colour_to_rgba(video_pixel);
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let image_pixel = rgba_to_gba_to_rgba(image_pixel.0);
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let image_pixel = rgba_to_gba_to_rgba(image_pixel.0);
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if image_pixel != video_pixel {
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if image_pixel != video_pixel {
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return Err(anyhow!("images do not match"));
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let output_file = write_video_buffer(video_buffer);
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return Err(anyhow!(
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"images do not match, actual output written to {}",
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output_file
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));
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}
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}
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}
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}
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}
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}
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Ok(())
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Ok(())
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}
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}
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fn write_video_buffer(video_buffer: &VideoBuffer) -> String {
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let (width, height) = video_buffer.get_size();
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let mut output_image = image::DynamicImage::new_rgba8(width, height);
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for y in 0..height {
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for x in 0..width {
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let pixel = video_buffer.get_pixel(x, y);
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let pixel_as_rgba = gba_colour_to_rgba(pixel);
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output_image.put_pixel(x, y, pixel_as_rgba.into())
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}
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}
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let output_folder = std::env::temp_dir();
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let output_file = "mgba-test-runner-output.png"; // TODO make this random
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let output_file = output_folder.join(output_file);
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let _ = output_image.save_with_format(&output_file, image::ImageFormat::Png);
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output_file.to_string_lossy().into_owned()
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}
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