38 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			V
		
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			V
		
	
	
| module gg
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| 
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| import sokol.sapp
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| 
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| #include <android/configuration.h>
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| #include <android/native_activity.h>
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| 
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| fn C.AConfiguration_new() voidptr
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| fn C.AConfiguration_fromAssetManager(voidptr, voidptr)
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| fn C.AConfiguration_getDensity(voidptr) u32
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| fn C.AConfiguration_delete(voidptr)
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| 
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| struct C.AAssetManager {}
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| 
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| // See https://developer.android.com/ndk/reference/struct/a-native-activity for more info.
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| struct C.ANativeActivity {
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| pub:
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| 	assetManager     voidptr // Pointer to the Asset Manager instance for the application. (AAssetManager *)
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| 	callbacks        voidptr // Pointer to the callback function table of the native application. (struct ANativeActivityCallbacks *)
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| 	clazz            voidptr // The NativeActivity object handle.
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| 	env              voidptr // JNI context for the main thread of the app.
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| 	externalDataPath charptr // Path to this application's external (removable/mountable) data directory.
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| 	instance         voidptr // This is the native instance of the application.
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| 	internalDataPath charptr // Path to this application's internal data directory.
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| 	obbPath          charptr // Available starting with Honeycomb: path to the directory containing the application's OBB files (if any).
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| 	sdkVersion       int     // The platform's SDK version code.
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| 	vm               voidptr // The global handle on the process's Java VM
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| }
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| 
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| pub fn android_dpi_scale() f32 {
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| 	config := C.AConfiguration_new()
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| 	activity := &C.ANativeActivity(sapp.android_get_native_activity())
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| 	C.AConfiguration_fromAssetManager(config, activity.assetManager)
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| 	density := C.AConfiguration_getDensity(config)
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| 	C.AConfiguration_delete(config)
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| 	return f32(density) / 160
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| }
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