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17
Modules/@babylonjs/react-native-iosandroid/ios/BabylonEngineView.h
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,17 @@ | ||
| #pragma once | ||
| #import <UIKit/UIKit.h> | ||
| #import <MetalKit/MetalKit.h> | ||
| #import <React/RCTBridge.h> | ||
| #import <React/RCTComponent.h> | ||
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| @interface EngineView : MTKView | ||
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| @property (nonatomic, copy) RCTDirectEventBlock onSnapshotDataReturned; | ||
| @property (nonatomic, assign) BOOL isTransparent; | ||
| @property (nonatomic, assign) NSNumber* antiAliasing; | ||
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| - (void)setMSAA:(NSNumber*)value; | ||
| - (void)takeSnapshot; | ||
| - (void)setIsTransparentFlag:(NSNumber*)isTransparentFlag; | ||
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| @end |
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Modules/@babylonjs/react-native-iosandroid/ios/BabylonEngineView.mm
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| #import "BabylonEngineView.h" | ||
| #include "BabylonNativeInterop.h" | ||
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| @implementation EngineView { | ||
| MTKView* xrView; | ||
| } | ||
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| - (instancetype)init { | ||
| if (self = [super initWithFrame:CGRectZero device:MTLCreateSystemDefaultDevice()]) { | ||
| super.translatesAutoresizingMaskIntoConstraints = false; | ||
| super.colorPixelFormat = MTLPixelFormatBGRA8Unorm_sRGB; | ||
| super.depthStencilPixelFormat = MTLPixelFormatDepth32Float; | ||
| } | ||
| return self; | ||
| } | ||
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| - (void)setIsTransparentFlag:(NSNumber*)isTransparentFlag { | ||
| BOOL isTransparent = [isTransparentFlag intValue] == 1; | ||
| if(isTransparent){ | ||
| [self setOpaque:NO]; | ||
| } else { | ||
| [self setOpaque:YES]; | ||
| } | ||
| self.isTransparent = isTransparent; | ||
| } | ||
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| - (void)setMSAA:(NSNumber*)value { | ||
| [BabylonNativeInterop updateMSAA:value]; | ||
| } | ||
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| - (void)setBounds:(CGRect)bounds { | ||
| [super setBounds:bounds]; | ||
| [BabylonNativeInterop updateView:self]; | ||
| } | ||
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| - (void)touchesBegan:(NSSet<UITouch*>*)touches withEvent:(UIEvent*)event { | ||
| [BabylonNativeInterop reportTouchEvent:self touches:touches event:event]; | ||
| } | ||
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| - (void)touchesMoved:(NSSet<UITouch*>*)touches withEvent:(UIEvent*)event { | ||
| [BabylonNativeInterop reportTouchEvent:self touches:touches event:event]; | ||
| } | ||
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| - (void)touchesEnded:(NSSet<UITouch*>*)touches withEvent:(UIEvent*)event { | ||
| [BabylonNativeInterop reportTouchEvent:self touches:touches event:event]; | ||
| } | ||
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| - (void)touchesCancelled:(NSSet<UITouch*>*)touches withEvent:(UIEvent*)event { | ||
| [BabylonNativeInterop reportTouchEvent:self touches:touches event:event]; | ||
| } | ||
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| - (void)drawRect:(CGRect)rect { | ||
| if ([BabylonNativeInterop isXRActive]) { | ||
| if (!xrView) { | ||
| xrView = [[MTKView alloc] initWithFrame:self.bounds device:self.device]; | ||
| xrView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight; | ||
| xrView.userInteractionEnabled = false; | ||
| [self addSubview:xrView]; | ||
| [BabylonNativeInterop updateXRView:xrView]; | ||
| } | ||
| } else if (xrView) { | ||
| [BabylonNativeInterop updateXRView:nil]; | ||
| [xrView removeFromSuperview]; | ||
| xrView = nil; | ||
| } | ||
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| [BabylonNativeInterop renderView]; | ||
| } | ||
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| -(void)dealloc { | ||
| [BabylonNativeInterop updateXRView:nil]; | ||
| } | ||
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| - (void)takeSnapshot { | ||
| // We must take the screenshot on the main thread otherwise we might fail to get a valid handle on the view's image. | ||
| dispatch_async(dispatch_get_main_queue(), ^{ | ||
| // Start the graphics context. | ||
| UIGraphicsBeginImageContextWithOptions(self.bounds.size, YES /* opaque */, 0.0f); | ||
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| // Draw the current state of the view into the graphics context. | ||
| [self drawViewHierarchyInRect:self.bounds afterScreenUpdates:NO]; | ||
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| // Grab the image from the graphics context, and convert into a base64 encoded JPG. | ||
| UIImage* capturedImage = UIGraphicsGetImageFromCurrentImageContext(); | ||
| UIGraphicsEndImageContext(); | ||
| NSData* jpgData = UIImageJPEGRepresentation(capturedImage, .8f); | ||
| NSString* encodedData = [jpgData base64EncodedStringWithOptions:0]; | ||
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| // Fire the onSnapshotDataReturned event if hooked up. | ||
| if (self.onSnapshotDataReturned != nil) { | ||
| self.onSnapshotDataReturned(@{ @"data":encodedData}); | ||
| } | ||
| }); | ||
| } | ||
|
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| @end |
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