From 16561ed71e49b11d9790d3c161c65bdd3c0a2992 Mon Sep 17 00:00:00 2001
From: mtfrctl <sky.franker@gmail.com>
Date: Sun, 11 Oct 2020 19:16:03 +0900
Subject: [PATCH] Add data pointer bridge method to Mat for Objective-C/Swift

---
 modules/core/misc/objc/common/Mat.h  | 1 +
 modules/core/misc/objc/common/Mat.mm | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/modules/core/misc/objc/common/Mat.h b/modules/core/misc/objc/common/Mat.h
index 72f81dd9b7..229337f524 100644
--- a/modules/core/misc/objc/common/Mat.h
+++ b/modules/core/misc/objc/common/Mat.h
@@ -97,6 +97,7 @@ CV_EXPORTS @interface Mat : NSObject
 - (void)createEx:(NSArray<NSNumber*>*)sizes type:(int)type  NS_SWIFT_NAME(create(sizes:type:));
 - (void)copySize:(Mat*)mat;
 - (Mat*)cross:(Mat*)mat;
+- (unsigned char*)dataPtr NS_SWIFT_NAME(dataPointer());
 - (int)depth;
 - (Mat*)diag:(int)diagonal;
 - (Mat*)diag;
diff --git a/modules/core/misc/objc/common/Mat.mm b/modules/core/misc/objc/common/Mat.mm
index c075e26046..5d41a3622e 100644
--- a/modules/core/misc/objc/common/Mat.mm
+++ b/modules/core/misc/objc/common/Mat.mm
@@ -286,6 +286,10 @@ static bool updateIdx(cv::Mat* mat, std::vector<int>& indices, int inc) {
     return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->cross(*(cv::Mat*)mat.nativePtr))];
 }
 
+- (unsigned char*)dataPtr {
+    return _nativePtr->data;
+}
+
 - (int)depth {
     return _nativePtr->depth();
 }