upgrade rusttype to 0.9.2

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2021-07-22 12:54:40 +08:00
parent 476a565ae5
commit 324669af0c
18 changed files with 813 additions and 159 deletions

645
Cargo.lock generated
View File

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@ -1,13 +1,21 @@
[package]
name = "rust-font-test"
version = "0.1.0"
authors = ["Sean Cross <sean@xobs.io>"]
edition = "2018"
name = "rust-font-test"
version = "0.1.0"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
#fontdue = "0.2.4"
stats_alloc = "0.1.8"
rusttype = {version = "0.8.1", default-features = false, features = ["libm-math"] }
minifb = "0.17"
rusttype = {version = "0.9.2", default-features = false, features = ["libm-math"]}
rustybuzz = "0.2.0"
stats_alloc = "0.1.8"
[profile.release]
codegen-units = 1 # 1 better optimizations
debug = true # symbols are nice and they don't increase the size on Flash
[features]
feature_one = []
feature_two = []

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resources/Symbola-AjYx.ttf Normal file

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@ -1,4 +1,5 @@
use rusttype::{point, Font, FontCollection, PositionedGlyph, Scale};
use rusttype::{point, Font, PositionedGlyph, Scale};
use std::convert::TryInto;
use std::io::Write;
// Add an allocator that lets us keep track of the system
@ -10,7 +11,8 @@ static GLOBAL: &StatsAlloc<System> = &INSTRUMENTED_SYSTEM;
fn main() {
// Chinese test
let font = include_bytes!("../resources/WenQuanYiMicroHei-01.ttf");
// let font = include_bytes!("../resources/WenQuanYiMicroHei-01.ttf");
let font = include_bytes!("../resources/NotoSansSC-Regular.ttf");
let message = " 發啊你好";
let rtl = false;
println!();
@ -21,17 +23,45 @@ fn main() {
// Arabic test
let font = include_bytes!("../resources/LateefRegOT.ttf");
let message = "مرحبا بالعالم"; // "Hello, world!"
// let message = "مممممم"; // Kerning test nonsense string
let message = "مرحبا بالعالم "; // "Hello, world!"
// let message = "مممممم"; // Kerning test nonsense string
let rtl = true;
// let message = "agylixm";
// let rtl = false;
println!();
println!("RUSTTYPE TEST:");
test_rusttype(font, message, rtl);
println!("RUSTTYPE + RUSTYBUZZ TEST:");
test_rusthbuzz(font, message);
// Emoji Test
// let font = include_bytes!("../resources/TwitterColorEmoji-SVGinOT.ttf");
// let font = include_bytes!("../resources/Symbola-AjYx.ttf");
let font = include_bytes!("../resources/NotoEmoji-Regular.ttf");
let message = concat!(
"🐶🐱🦁🐎🦄🐷🐘🐰\n",
"🐼🐓🐧🐢🐟🐙🦋🌷\n",
"🌳🌵🍄🌏🌙☁️🔥🍌\n",
"🍎🍓🌽🍕🎂❤️😀🤖\n",
"🎩👓🔧🎅👍☂️⌛⏰\n",
"🎁💡📕✏️📎✂️🔒🔑\n",
"🔨☎️🏁🚂🚲✈️🚀🏆\n",
"⚽🎸🎺🔔⚓🎧📁📌\n",
"Hello, world! ää 🀄🃏\u{1F170}\u{1F170}\u{FE0F}\n",
// "🐶🐱🦁🐎🦄🐷🐘🐰🐼🐓🐧🐢🐟🐙🦋🌷🌳🌵🍄🌏🌙☁️🔥🍌🍎🍓🌽🍕🎂❤️😀🤖🎩👓🔧🎅👍☂️⌛⏰🎁💡📕✏️📎✂️🔒🔑🔨☎️🏁🚂🚲✈️🚀🏆⚽🎸🎺🔔⚓🎧📁📌"
);
println!();
println!("RUSTTYPE + RUSTYBUZZ TEST:");
test_rusthbuzz(font, message);
let font = include_bytes!("../resources/TwitterColorEmoji-SVGinOT.ttf");
println!();
println!("RUSTTYPE + RUSTYBUZZ TEST:");
test_rusthbuzz(font, message);
let font = include_bytes!("../resources/Symbola-AjYx.ttf");
println!();
println!("RUSTTYPE + RUSTYBUZZ TEST:");
test_rusthbuzz(font, message);
}
// fn test_fontdue(font: &[u8], message: &str, _rtl: bool) {
@ -54,9 +84,32 @@ fn main() {
// }
fn test_rusthbuzz(font: &[u8], message: &str) {
const FB_WIDTH: usize = 520;
const FB_HEIGHT: usize = 200;
let mut buffer = [[0f32; FB_WIDTH]; FB_HEIGHT];
const FB_WIDTH: usize = 336;
const FB_HEIGHT: usize = 536;
let rusttype_height = 32.0;
let mut buffer = vec![];
for _ in 0..FB_HEIGHT {
buffer.push(vec![0f32; FB_WIDTH]);
}
use minifb::{Key, Window, WindowOptions};
let mut window = Window::new(
"Betrusted",
FB_WIDTH,
FB_HEIGHT,
WindowOptions {
scale_mode: minifb::ScaleMode::AspectRatioStretch,
resize: true,
..WindowOptions::default()
},
)
.unwrap_or_else(|e| {
panic!("{}", e);
});
const DARK_COLOUR: u32 = 0xB5B5AD;
const LIGHT_COLOUR: u32 = 0x1B1B19;
let mut native_buffer = vec![LIGHT_COLOUR; FB_WIDTH * FB_HEIGHT];
let lines = message.split('\n');
let reg = Region::new(&GLOBAL);
@ -64,140 +117,156 @@ fn test_rusthbuzz(font: &[u8], message: &str) {
println!("buzz_font: {:#?}", reg.change());
buzz_font.set_pixels_per_em(Some((196, 196)));
let mut buzz_buffer = rustybuzz::UnicodeBuffer::new();
println!("buzz_buffer: {:#?}", reg.change());
buzz_buffer.push_str(message);
println!("buzz_buffer_push: {:#?}", reg.change());
let buzz_features = vec![];
println!("buzz_features: {:#?}", reg.change());
let glyph_buffer = rustybuzz::shape(&buzz_font, &buzz_features, buzz_buffer);
println!("buzz_shape: {:#?}", reg.change());
let mut buzz_buffer = rustybuzz::UnicodeBuffer::new();
println!("buzz_buffer: {:#?}", reg.change());
let rusttype_font = Font::from_bytes(font).unwrap_or_else(|e| {
panic!("error constructing a FontCollection from bytes: {}", e);
});
println!("fonttype_collection: {:#?}", reg.change());
for (line_number, line) in lines.enumerate() {
buzz_buffer.push_str(line);
println!("buzz_buffer_push: {:#?}", reg.change());
let mut cursor_x = 0.0;
let mut cursor_y = 0.0;
let glyph_buffer = rustybuzz::shape(&buzz_font, &buzz_features, buzz_buffer);
println!("buzz_shape: {:#?}", reg.change());
let rusttype_height = 196.0;
let rusttype_scale = rusttype::Scale {
x: rusttype_height * 1.0,
y: rusttype_height,
};
// Adapt the harfbuzz scale to rusttype's scale.
// I'm not sure where the "1.2" comes from, but the units only *just* match.
let harfbuzz_scale = rusttype_font.units_per_em() as f32 / rusttype_height * 1.2;
let rusttype_font =
Font::try_from_bytes(font).expect("error constructing a Font from bytes");
println!("fonttype_collection: {:#?}", reg.change());
let v_metrics = rusttype_font.v_metrics(rusttype_scale);
let offset = point(0.0, v_metrics.ascent);
let mut cursor_x = 0.0;
let mut cursor_y = (line_number as f32) * rusttype_height;
// println!("font is {} units-per-em", rusttype_font.units_per_em());
for (buzz_info, buzz_position) in glyph_buffer
.glyph_infos()
.iter()
.zip(glyph_buffer.glyph_positions().iter())
{
// let codepoint_rs = char::try_from(buzz_info.codepoint).expect("invalid codepoint");
let font_glyph = rusttype_font.glyph(rusttype::GlyphId(buzz_info.codepoint));
let glyph_scaled = font_glyph.scaled(rusttype_scale);
let rusttype_scale = rusttype::Scale {
x: rusttype_height * 1.0,
y: rusttype_height,
};
// Adapt the harfbuzz scale to rusttype's scale.
// I'm not sure where the "1.2" comes from, but the units only *just* match.
let harfbuzz_scale = rusttype_font.units_per_em() as f32 / rusttype_height * 1.0 /* * 1.2 */;
let x_offset = buzz_position.x_offset as f32 / harfbuzz_scale;
let y_offset = buzz_position.y_offset as f32 / harfbuzz_scale;
let x_advance = buzz_position.x_advance as f32 / harfbuzz_scale;
let y_advance = buzz_position.y_advance as f32 / harfbuzz_scale;
let v_metrics = rusttype_font.v_metrics(rusttype_scale);
let offset = point(0.0, v_metrics.ascent);
let glyph_positioned = glyph_scaled.positioned(rusttype::Point {
x: (x_offset as f32) + offset.x,
y: (y_offset as f32) + offset.y,
});
// println!("font is {} units-per-em", rusttype_font.units_per_em());
for (buzz_info, buzz_position) in glyph_buffer
.glyph_infos()
.iter()
.zip(glyph_buffer.glyph_positions().iter())
{
// let codepoint_rs = char::try_from(buzz_info.codepoint).expect("invalid codepoint");
let font_glyph = rusttype_font.glyph(rusttype::GlyphId(
buzz_info
.codepoint
.try_into()
.expect("codepoint out of range"),
));
let glyph_scaled = font_glyph.scaled(rusttype_scale);
if let Some(bb) = glyph_positioned.pixel_bounding_box() {
// println!(
// "Offset: {} / {}, {} / {} {}/{} {}/{}",
// x_offset, y_offset,
// x_advance, y_advance,
// cursor_x, cursor_y,
// bb.min.x, bb.min.y,
// );
glyph_positioned.draw(|x, y, weight| {
let x = (x as f32) + ((cursor_x + x_offset) as f32) + (bb.min.x as f32);
let y = (y as f32) + ((cursor_y + y_offset) as f32) + (bb.min.y as f32);
let x_offset = buzz_position.x_offset as f32 / harfbuzz_scale;
let y_offset = buzz_position.y_offset as f32 / harfbuzz_scale;
let x_advance = buzz_position.x_advance as f32 / harfbuzz_scale;
let y_advance = buzz_position.y_advance as f32 / harfbuzz_scale;
if (x < 0.0)
|| (x >= (buffer[0].len() as f32))
|| (y < 0.0)
|| (y >= (buffer.len() as f32))
{
// println!("(x,y) out of bounds: ({}, {})", x, y);
return;
}
let x = x as usize;
let y = y as usize;
// if y < buffer.len() && x < buffer[0].len() {
buffer[y][x] += weight;
// }
let glyph_positioned = glyph_scaled.positioned(rusttype::Point {
x: (x_offset as f32) + offset.x,
y: (y_offset as f32) + offset.y,
});
if let Some(bb) = glyph_positioned.pixel_bounding_box() {
// println!(
// "Offset: {} / {}, {} / {} {}/{} {}/{}",
// x_offset, y_offset,
// x_advance, y_advance,
// cursor_x, cursor_y,
// bb.min.x, bb.min.y,
// );
glyph_positioned.draw(|x, y, weight| {
let x = (x as f32) + ((cursor_x + x_offset) as f32) + (bb.min.x as f32);
let y = (y as f32) + ((cursor_y + y_offset) as f32) + (bb.min.y as f32);
if (x < 0.0)
|| (x >= (buffer[0].len() as f32))
|| (y < 0.0)
|| (y >= (buffer.len() as f32))
{
// println!("(x,y) out of bounds: ({}, {})", x, y);
return;
}
let x = x as usize;
let y = y as usize;
// if y < buffer.len() && x < buffer[0].len() {
buffer[y][x] += weight;
// }
});
}
cursor_x += x_advance;
cursor_y += y_advance;
}
cursor_x += x_advance;
cursor_y += y_advance;
buzz_buffer = glyph_buffer.clear();
buzz_buffer.clear();
}
// println!("Buffer: {:?}", buffer);
for y in (0..buffer.len() - 4).step_by(4) {
for x in (0..buffer[y].len() - 2).step_by(2) {
let mut offset = 0;
let threshold = 0.5;
if buffer[y + 0][x + 0] > threshold {
offset |= 1 << 0;
}
if buffer[y + 1][x + 0] > threshold {
offset |= 1 << 1;
}
if buffer[y + 2][x + 0] > threshold {
offset |= 1 << 2;
}
if buffer[y + 0][x + 1] > threshold {
offset |= 1 << 3;
}
if buffer[y + 1][x + 1] > threshold {
offset |= 1 << 4;
}
if buffer[y + 2][x + 1] > threshold {
offset |= 1 << 5;
}
if buffer[y + 3][x + 0] > threshold {
offset |= 1 << 6;
}
if buffer[y + 3][x + 1] > threshold {
offset |= 1 << 7;
}
let pixel_br = std::char::from_u32(0x2800 + offset).unwrap();
print!("{}", pixel_br);
let mut offset = 0;
for line in &*buffer {
for pixel in line {
native_buffer[offset] = if pixel > &0.5 {
LIGHT_COLOUR
} else {
DARK_COLOUR
};
offset += 1;
}
println!();
}
window
.update_with_buffer(&native_buffer, FB_WIDTH, FB_HEIGHT)
.unwrap();
while window.is_open() && !window.is_key_down(Key::Escape) {
window.update();
}
// for y in (0..buffer.len() - 4).step_by(4) {
// for x in (0..buffer[y].len() - 2).step_by(2) {
// let mut offset = 0;
// let threshold = 0.5;
// if buffer[y + 0][x + 0] > threshold {
// offset |= 1 << 0;
// }
// if buffer[y + 1][x + 0] > threshold {
// offset |= 1 << 1;
// }
// if buffer[y + 2][x + 0] > threshold {
// offset |= 1 << 2;
// }
// if buffer[y + 0][x + 1] > threshold {
// offset |= 1 << 3;
// }
// if buffer[y + 1][x + 1] > threshold {
// offset |= 1 << 4;
// }
// if buffer[y + 2][x + 1] > threshold {
// offset |= 1 << 5;
// }
// if buffer[y + 3][x + 0] > threshold {
// offset |= 1 << 6;
// }
// if buffer[y + 3][x + 1] > threshold {
// offset |= 1 << 7;
// }
// let pixel_br = std::char::from_u32(0x2800 + offset).unwrap();
// print!("{}", pixel_br);
// }
// println!();
// }
}
fn test_rusttype(font: &[u8], message: &str, rtl: bool) {
let reg = Region::new(&GLOBAL);
let collection = FontCollection::from_bytes(font).unwrap_or_else(|e| {
panic!("error constructing a FontCollection from bytes: {}", e);
});
println!("collection: {:#?}", reg.change());
let font = collection
.into_font() // only succeeds if collection consists of one font
.unwrap_or_else(|e| {
panic!("error turning FontCollection into a Font: {}", e);
});
let font = Font::try_from_bytes(font).expect("couldn't read font file");
// Desired font pixel height
let height: f32 = 20.0; // to get 80 chars across (fits most terminals); adjust as desired