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feat: Code format and added function to ask permision of photo library.
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@edom18
edom18 committed Aug 27, 2019
1 parent 0585c93 commit 3c84720
Showing 1 changed file with 67 additions and 71 deletions.
138 changes: 67 additions & 71 deletions Assets/Plugins/iOS/NativeTextureSaver.mm
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Original file line number Diff line number Diff line change
Expand Up @@ -11,8 +11,16 @@
// Please rewrite if needed.
#import "nativetexturesaver-Swift.h"

extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces);
extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginUnload();
extern "C"
{
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces);
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginUnload();
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces);
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API _AttachPlugin();
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API _SaveTextureImpl(unsigned char* mtlTexture, const char* objectName, const char* methodName);
}

void SaveTexture(unsigned char* mtlTexture, const char* objectName, const char* methodName);

static IUnityGraphicsMetal* s_MetalGraphics = 0;
static IUnityInterfaces* s_UnityInterfaces = 0;
Expand Down Expand Up @@ -49,7 +57,7 @@ static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType ev
};
}

extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces)
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginLoad(IUnityInterfaces* unityInterfaces)
{
NSLog(@"==================== Plugin has been loaded ====================");

Expand All @@ -61,15 +69,15 @@ static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType ev
OnGraphicsDeviceEvent(kUnityGfxDeviceEventInitialize);
}

extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginUnload()
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API UnityPluginUnload()
{
s_Graphics->UnregisterDeviceEventCallback(OnGraphicsDeviceEvent);
}

///
/// Attach the functions to the callback of plugin loaded event.
///
extern "C" void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API _AttachPlugin()
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API _AttachPlugin()
{
NSLog(@"Attaching plugin load.");
UnityRegisterRenderingPluginV5(&UnityPluginLoad, &UnityPluginUnload);
Expand All @@ -78,7 +86,60 @@ static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType ev
///
/// Save the texture that made from Metal to the file.
///
extern "C" void _SaveTextureImpl(unsigned char* mtlTexture, const char* objectName, const char* methodName)
void UNITY_INTERFACE_EXPORT UNITY_INTERFACE_API _SaveTextureImpl(unsigned char* mtlTexture, const char* objectName, const char* methodName)
{
if (PHPhotoLibrary.authorizationStatus == PHAuthorizationStatusAuthorized)
{
SaveTexture(mtlTexture, objectName, methodName);
return;
}

[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {

if (status == PHAuthorizationStatusAuthorized)
{
SaveTexture(mtlTexture, objectName, methodName);
return;
}

if (status == PHAuthorizationStatusDenied)
{
NSString* title = @"Failed to save image";
NSString* message = @"Allow this app to access Photos.";

UIAlertController* alert = [UIAlertController alertControllerWithTitle:title
message:message
preferredStyle:UIAlertControllerStyleAlert];

UIAlertAction* settingsAction = [UIAlertAction actionWithTitle:@"Settings"
style:UIAlertActionStyleDefault
handler:^(UIAlertAction* action)
{
NSURL* settingsURL = [NSURL URLWithString:UIApplicationOpenSettingsURLString];

if (!settingsURL)
{
return;
}

[UIApplication.sharedApplication openURL:settingsURL
options:@{}
completionHandler:nil];
}];

UIAlertAction* closeAction = [UIAlertAction actionWithTitle:@"Close"
style:UIAlertActionStyleCancel
handler:nil];
[alert addAction:settingsAction];
[alert addAction:closeAction];
[UnityGetGLViewController() presentViewController:alert
animated:YES
completion:nil];
}
}];
}

void SaveTexture(unsigned char* mtlTexture, const char* objectName, const char* methodName)
{
id<MTLTexture> tex = (__bridge id<MTLTexture>)(void*)mtlTexture;

Expand All @@ -87,35 +148,6 @@ static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType ev
NSString* objName = [NSString stringWithCString:objectName encoding:NSUTF8StringEncoding];
NSString* metName = [NSString stringWithCString:methodName encoding:NSUTF8StringEncoding];
CaptureCallback *callback = [[CaptureCallback alloc] initWithObjectName:objName methodName:metName];

if (PHPhotoLibrary.authorizationStatus != PHAuthorizationStatusAuthorized)
{
[PHPhotoLibrary requestAuthorization:^(PHAuthorizationStatus status) {

if (status == PHAuthorizationStatusAuthorized)
{
// フォトライブラリに写真を保存するなど、実施したいことをここに書く
}
else if (status == PHAuthorizationStatusDenied)
{
// NSString* title = @"Failed to save image";
// NSString* message = @"Allow this app to access Photos.";
//
// let alert = UIAlertController(title: title, message: message, preferredStyle: .alert)
// let settingsAction = UIAlertAction(title: "Settings", style: .default, handler: { (_) -> Void in
// guard let settingsURL = URL(string: UIApplication.openSettingsURLString ) else {
// return
// }
// UIApplication.shared.open(settingsURL, options: [:], completionHandler: nil)
// })
// let closeAction: UIAlertAction = UIAlertAction(title: "Close", style: .cancel, handler: nil)
// alert.addAction(settingsAction)
// alert.addAction(closeAction)
// self.present(alert, animated: true, completion: nil)
}
}];
return;
}

__block NSString* localId;

Expand Down Expand Up @@ -157,40 +189,4 @@ static void UNITY_INTERFACE_API OnGraphicsDeviceEvent(UnityGfxDeviceEventType ev
}];
}
}];

// UIImageWriteToSavedPhotosAlbum(image, callback, @selector(savingImageIsFinished:didFinishSavingWithError:contextInfo:), nil);
}

///
/// Copy MTLTexture to a new one.
/// This function won't be used for this demo.
/// But I don't remove this code. It will help you.
///
id<MTLTexture> CopyTexture(id<MTLTexture> source)
{
MTLTextureDescriptor *descriptor = [[MTLTextureDescriptor alloc] init];
descriptor.pixelFormat = MTLPixelFormatBGRA8Unorm;
descriptor.width = source.width;
descriptor.height = source.height;

id<MTLTexture> texture = [s_MetalGraphics->MetalDevice() newTextureWithDescriptor:descriptor];

id<MTLCommandQueue> queue = [s_MetalGraphics->MetalDevice() newCommandQueue];
id<MTLCommandBuffer> buffer = [queue commandBuffer];
id<MTLBlitCommandEncoder> encoder = [buffer blitCommandEncoder];
[encoder copyFromTexture:source
sourceSlice:0
sourceLevel:0
sourceOrigin:MTLOriginMake(0, 0, 0)
sourceSize:MTLSizeMake(source.width, source.height, source.depth)
toTexture:texture
destinationSlice:0
destinationLevel:0
destinationOrigin:MTLOriginMake(0, 0, 0)];

[encoder endEncoding];
[buffer commit];
[buffer waitUntilCompleted];

return texture;
}

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