add arabic test

Signed-off-by: Sean Cross <sean@xobs.io>
master
Sean Cross 3 years ago
parent 4922d63c8c
commit e4cf2563be
  1. 2
      .gitignore
  2. 99
      Cargo.lock
  3. BIN
      resources/LateefRegOT.ttf
  4. 28
      src/main.rs

2
.gitignore vendored

@ -0,0 +1,2 @@
/target
**/*.rs.bk

99
Cargo.lock generated

@ -0,0 +1,99 @@
# This file is automatically @generated by Cargo.
# It is not intended for manual editing.
[[package]]
name = "approx"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"num-traits 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "arrayvec"
version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "autocfg"
version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "byteorder"
version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "fontdue"
version = "0.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"num-traits 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "rust-font-test"
version = "0.1.0"
dependencies = [
"fontdue 0.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
"rusttype 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
"stats_alloc 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
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"arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
"ordered-float 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
"stb_truetype 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"checksum byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c3dd8985a7111efc5c80b44e23ecdd8c007de8ade3b96595387e812b957cf5"
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Binary file not shown.

@ -9,12 +9,22 @@ use std::alloc::System;
static GLOBAL: &StatsAlloc<System> = &INSTRUMENTED_SYSTEM;
fn main() {
// Chinese test
let font = include_bytes!("../resources/WenQuanYiMicroHei-01.ttf");
test_rusttype(font);
test_fontdue(font);
let message = " 發啊你好";
let rtl = false;
test_rusttype(font, message, rtl);
test_fontdue(font, message, rtl);
// Arabic test
let font = include_bytes!("../resources/LateefRegOT.ttf");
let message = "مرحبا بالعالم";
let rtl = true;
test_rusttype(font, message, rtl);
test_fontdue(font, message, rtl);
}
fn test_fontdue(font: &[u8]) {
fn test_fontdue(font: &[u8], message: &str, _rtl: bool) {
let reg = Region::new(&GLOBAL);
println!("start: {:#?}", reg.change());
@ -23,7 +33,7 @@ fn test_fontdue(font: &[u8]) {
println!("from_bytes: {:#?}", reg.change());
// Rasterize and get the layout metrics for the letter 'g' at 17px.
let (metrics, bitmap) = font.rasterize('欢', 17.0);
let (metrics, bitmap) = font.rasterize(message.chars().nth(0).unwrap(), 17.0);
println!("font.rasterize: {:#?}", reg.change());
// Used here to ensure that the value is not
@ -33,7 +43,7 @@ fn test_fontdue(font: &[u8]) {
::std::mem::size_of_val(&font);
}
fn test_rusttype(font: &[u8]) {
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);
@ -65,7 +75,7 @@ fn test_rusttype(font: &[u8]) {
println!("metrics: {:#?}", reg.change());
// Glyphs to draw for "RustType". Feel free to try other strings.
let glyphs: Vec<PositionedGlyph<'_>> = font.layout("Xous:發啊你好", scale, offset).collect();
let glyphs: Vec<PositionedGlyph<'_>> = font.layout(message, scale, offset).collect();
println!("glyphs: {:#?}", reg.change());
// Find the most visually pleasing width to display
@ -94,7 +104,11 @@ fn test_rusttype(font: &[u8]) {
let y = y as i32 + bb.min.y;
// There's still a possibility that the glyph clips the boundaries of the bitmap
if x >= 0 && x < width as i32 && y >= 0 && y < pixel_height as i32 {
let x = x as usize;
let x = if rtl {
width - (x as usize) - 1
} else {
x as usize
};
let y = y as usize;
pixel_data[(x + y * width)] = c;
}

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