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Abdillah/Getting Lost in Unsafe Region snippets

Created October 31, 2020 02:07
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Post snippet "Getting Lost in Unsafe Region snippets" on Medium
Raw
correct.rs
pgr.draw(viewport::Viewport {
rect: [ 0, 0, w as i32, h as i32 ],
draw_size: [ w as u32, h as u32 ],
window_size: [ w.into(), h.into() ],
}, |c, pgr| {
use graphics::*;
let mut glycache = opengl_graphics::GlyphCache::new("./assets/fonts/FiraCode-Regular.ttf", (), opengl_graphics::TextureSettings::new()).unwrap();
unsafe { gl::Enable(gl::TEXTURE_2D); };
text::Text::new_color(WHITE, fontsize)
.draw(
"H",
&mut glycache,
&DrawState::default(),
c.transform.trans(100.0, 200.0),
pgr
).unwrap();
unsafe { gl::Disable(gl::TEXTURE_2D); };
});
windowed_context.swap_buffers().unwrap();
Raw
Getting Lost in Unsafe Region snippets
Post snippet "Getting Lost in Unsafe Region snippets" on Medium
Raw
incorrect.rs
pgr.draw(viewport::Viewport {
rect: [ 0, 0, w as i32, h as i32 ],
draw_size: [ w as u32, h as u32 ],
window_size: [ w.into(), h.into() ],
}, |c, pgr| {
use graphics::*;
let mut glycache = opengl_graphics::GlyphCache::new("./assets/fonts/FiraCode-Regular.ttf", (), opengl_graphics::TextureSettings::new()).unwrap();
unsafe { gl::Enable(gl::TEXTURE_2D); };
text::Text::new_color(WHITE, fontsize)
.draw(
"H",
&mut glycache,
&DrawState::default(),
c.transform.trans(100.0, 200.0),
pgr
).unwrap();
unsafe { gl::Disable(gl::TEXTURE_2D); };
});
windowed_context.swap_buffers().unwrap();
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