Add NativeImagePicker class for use from the player IOS FileChooser class (#428)

Co-authored-by: richard <richard@dotmodus>

recipes/ios/__init__.py

@@ -6,7 +6,7 @@ class IosRecipe(CythonRecipe):
     url = "src"
     library = "libios.a"
     depends = ["python"]
-    pbx_frameworks = ["MessageUI", "CoreMotion", "UIKit", "WebKit"]
+    pbx_frameworks = ["MessageUI", "CoreMotion", "UIKit", "WebKit", "Photos"]
 
     def install(self):
         self.install_python_package(

recipes/ios/src/ios_filechooser.m

@@ -0,0 +1,45 @@
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+#include "ios_wrapper.h"
+
+@interface NativeImagePicker : NSObject
+@end
+@implementation NativeImagePicker
+
+- (NSString*) getFileName:(NSURL *) ns_url {
+    // Return the file name without the path or file extention
+    NSString *image_name = ns_url.pathComponents.lastObject;
+    NSArray *listItems = [image_name componentsSeparatedByString:@"."];
+    NSString *ret = listItems[0];
+    return ret;
+}
+
+- (NSString*) writeToPNG: (NSDictionary *) info {
+    /* Given the info frozen dictionary returned by the file picker, convert
+     the image selected to a PNG and return the full path. */
+
+    // Get the image name, stripped of path and extention
+    NSString *image_name = [self getFileName: info[UIImagePickerControllerImageURL]];
+
+    // Get the png representation of the image
+    UIImage *image = info[UIImagePickerControllerOriginalImage];
+    NSData *imageData = UIImagePNGRepresentation(image);
+
+    // Generate the final image destination
+    NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);
+    NSString *documentsDirectory = [paths objectAtIndex:0];
+    NSString *imagePath = [documentsDirectory stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.png", image_name]];
+
+    // Write the image data to the file
+    if (![imageData writeToFile:imagePath atomically:NO])
+    {
+        NSLog(@"Failed to cache image data to disk");
+        return @"";
+    }
+    else
+    {
+        NSLog(@"the cachedImagedPath is %@",imagePath);
+        return imagePath;
+    }
+}
+@end

recipes/ios/src/setup.py

@@ -2,10 +2,11 @@ from distutils.core import setup, Extension
 import os
 
 setup(name='ios',
-      version='1.0',
+      version='1.1',
       ext_modules=[
         Extension(
-            'ios', ['ios.c', 'ios_utils.m', 'ios_mail.m', 'ios_browser.m'],
+            'ios', ['ios.c', 'ios_utils.m', 'ios_mail.m', 'ios_browser.m',
+                    'ios_filechooser.m'],
             libraries=[ ],
             library_dirs=[],
             )