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v/vlib/gg/gg_android.c.v

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