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Apply font oversampling in support code

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Makes fonts slighty better with HiDPI, but it's not yet the full
solution.
This commit is contained in:
Joonas Javanainen 2018-08-12 14:15:09 +03:00
parent aa4ae70054
commit 558e5efe1c
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GPG Key ID: D39CCA5CB19B9179
2 changed files with 44 additions and 17 deletions
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39
imgui-examples/examples/support/mod.rs
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@ -15,17 +15,32 @@ pub fn run<F: FnMut(&Ui) -> bool>(title: String, clear_color: [f32; 4], mut run_
let mut events_loop = glutin::EventsLoop::new(); let mut events_loop = glutin::EventsLoop::new();
let context = glutin::ContextBuilder::new().with_vsync(true); let context = glutin::ContextBuilder::new().with_vsync(true);
let window = glutin::WindowBuilder::new() let builder = glutin::WindowBuilder::new()
.with_title(title) .with_title(title)
.with_dimensions(glutin::dpi::LogicalSize::new(1024f64, 768f64)); .with_dimensions(glutin::dpi::LogicalSize::new(1024f64, 768f64));
let display = Display::new(window, context, &events_loop).unwrap(); let display = Display::new(builder, context, &events_loop).unwrap();
let window = display.gl_window();
let mut imgui = ImGui::init(); let mut imgui = ImGui::init();
imgui.set_ini_filename(None); imgui.set_ini_filename(None);
let config = ImFontConfig::new().oversample_h(1).pixel_snap_h(true).size_pixels(13.0);
config.rasterizer_multiply(1.75).add_font( let font_oversample = window.get_hidpi_factor().ceil() as u32;
&mut imgui.fonts(), include_bytes!("../mplus-1p-regular.ttf"), &FontGlyphRange::japanese());
config.merge_mode(true).add_default_font(&mut imgui.fonts()); imgui.fonts().add_font_with_config(
include_bytes!("../mplus-1p-regular.ttf"),
ImFontConfig::new()
.oversample_h(font_oversample)
.oversample_v(font_oversample)
.pixel_snap_h(true)
.size_pixels(13.0)
.rasterizer_multiply(1.75),
&FontGlyphRange::japanese());
imgui.fonts().add_default_font_with_config(ImFontConfig::new()
.merge_mode(true)
.oversample_h(font_oversample)
.oversample_v(font_oversample));
let mut renderer = Renderer::init(&mut imgui, &display).expect("Failed to initialize renderer"); let mut renderer = Renderer::init(&mut imgui, &display).expect("Failed to initialize renderer");
configure_keys(&mut imgui); configure_keys(&mut imgui);
@ -108,16 +123,14 @@ pub fn run<F: FnMut(&Ui) -> bool>(title: String, clear_color: [f32; 4], mut run_
update_mouse(&mut imgui, &mut mouse_state); update_mouse(&mut imgui, &mut mouse_state);
let gl_window = display.gl_window();
let mouse_cursor = imgui.mouse_cursor(); let mouse_cursor = imgui.mouse_cursor();
if imgui.mouse_draw_cursor() || mouse_cursor == ImGuiMouseCursor::None { if imgui.mouse_draw_cursor() || mouse_cursor == ImGuiMouseCursor::None {
// Hide OS cursor // Hide OS cursor
gl_window.hide_cursor(true); window.hide_cursor(true);
} else { } else {
// Set OS cursor // Set OS cursor
gl_window.hide_cursor(false); window.hide_cursor(false);
gl_window.set_cursor(match mouse_cursor { window.set_cursor(match mouse_cursor {
ImGuiMouseCursor::None => unreachable!("mouse_cursor was None!"), ImGuiMouseCursor::None => unreachable!("mouse_cursor was None!"),
ImGuiMouseCursor::Arrow => glutin::MouseCursor::Arrow, ImGuiMouseCursor::Arrow => glutin::MouseCursor::Arrow,
ImGuiMouseCursor::TextInput => glutin::MouseCursor::Text, ImGuiMouseCursor::TextInput => glutin::MouseCursor::Text,
@ -129,11 +142,11 @@ pub fn run<F: FnMut(&Ui) -> bool>(title: String, clear_color: [f32; 4], mut run_
}); });
} }
let logical_size = gl_window.get_inner_size().unwrap(); let logical_size = window.get_inner_size().unwrap();
let frame_size = FrameSize { let frame_size = FrameSize {
logical_size: logical_size.into(), logical_size: logical_size.into(),
hidpi_factor: gl_window.get_hidpi_factor(), hidpi_factor: window.get_hidpi_factor(),
}; };
let ui = imgui.frame(frame_size, delta_s); let ui = imgui.frame(frame_size, delta_s);

22
imgui-examples/examples/support_gfx/mod.rs
View File

@ -59,10 +59,24 @@ pub fn run<F: FnMut(&Ui) -> bool>(title: String, clear_color: [f32; 4], mut run_
} }
} }
imgui.set_ini_filename(None); imgui.set_ini_filename(None);
let config = ImFontConfig::new().oversample_h(1).pixel_snap_h(true).size_pixels(13.0);
config.rasterizer_multiply(1.75).add_font( let font_oversample = window.get_hidpi_factor().ceil() as u32;
&mut imgui.fonts(), include_bytes!("../mplus-1p-regular.ttf"), &FontGlyphRange::japanese());
config.merge_mode(true).add_default_font(&mut imgui.fonts()); imgui.fonts().add_font_with_config(
include_bytes!("../mplus-1p-regular.ttf"),
ImFontConfig::new()
.oversample_h(font_oversample)
.oversample_v(font_oversample)
.pixel_snap_h(true)
.size_pixels(13.0)
.rasterizer_multiply(1.75),
&FontGlyphRange::japanese());
imgui.fonts().add_default_font_with_config(ImFontConfig::new()
.merge_mode(true)
.oversample_h(font_oversample)
.oversample_v(font_oversample));
let mut renderer = Renderer::init(&mut imgui, &mut factory, shaders, main_color.clone()) let mut renderer = Renderer::init(&mut imgui, &mut factory, shaders, main_color.clone())
.expect("Failed to initialize renderer"); .expect("Failed to initialize renderer");