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Add methods to get device pixel ratio #249

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merged 2 commits into from
Apr 10, 2021
Merged

Add methods to get device pixel ratio #249

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df7fbd4
Add tetra::window::get_device_pixel_ratio
sumibi-yakitori Apr 10, 2021
102336a
Modify based on https://github.com/17cupsofcoffee/tetra/pull/249
sumibi-yakitori Apr 10, 2021
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4 changes: 4 additions & 0 deletions src/platform/window_sdl.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -234,6 +234,10 @@ impl Window {
self.window_visible = visible;
}

pub fn get_device_pixel_ratio(&self) -> f32 {
self.sdl_window.drawable_size().0 as f32 / self.sdl_window.size().0 as f32
}

pub fn get_monitor_count(&self) -> Result<i32> {
self.video_sys
.num_video_displays()
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5 changes: 5 additions & 0 deletions src/window.rs
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Expand Up @@ -170,6 +170,11 @@ pub fn is_relative_mouse_mode(ctx: &Context) -> bool {
ctx.window.is_relative_mouse_mode()
}

/// Returns the ratio of the logical resolution to the physical resolution of the current display on which the window is being displayed.
pub fn get_device_pixel_ratio(ctx: &Context) -> f32 {
ctx.window.get_device_pixel_ratio()
}

/// Gets the number of monitors connected to the device.
///
/// # Errors
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