Merge commit '7621e2f8dec938cf48181c8b10afc9b01f444e68' into beta

Telegram/Watch/Extension/TGNeoRenderableViewModel.m

@@ -0,0 +1,53 @@
+#import "TGNeoRenderableViewModel.h"
+
+@implementation TGNeoRenderableViewModel
+
+- (CGSize)layoutWithContainerSize:(CGSize)containerSize
+{
+    return CGSizeZero;
+}
+
++ (SSignal *)renderSignalForViewModel:(TGNeoRenderableViewModel *)viewModel
+{
+    return [[SSignal alloc] initWithGenerator:^id<SDisposable>(SSubscriber *subscriber)
+    {
+        CGFloat scale = 2.0f;
+        CGSize size = viewModel.contentSize;
+        CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
+        
+        CGContextRef context = CGBitmapContextCreate(NULL,
+                                                     size.width * scale, size.height * scale,
+                                                     8, size.width * scale * 4, colorSpace,
+                                                     kCGImageAlphaPremultipliedFirst);
+        CFRelease(colorSpace);
+        
+        if (context == nil)
+        {
+            [subscriber putError:nil];
+            return nil;
+        }
+        
+        CGContextScaleCTM(context, scale, -scale);
+        CGContextTranslateCTM(context, 0, -size.height);
+        
+        [viewModel drawInContext:context];
+
+        CGImageRef imgRef = CGBitmapContextCreateImage(context);
+        if (imgRef == nil)
+        {
+            CFRelease(context);
+            return nil;
+        }
+        
+        UIImage *image = [UIImage imageWithCGImage:imgRef];
+        CFRelease(imgRef);
+        CFRelease(context);
+
+        [subscriber putNext:image];
+        [subscriber putCompletion];
+        
+        return nil;
+    }];
+}
+
+@end