tibar image overlay module patch

TibarModule.m.diff

Index: Classes/TibarModule.m
===================================================================
--- Classes/TibarModule.m       (revision 17)
+++ Classes/TibarModule.m       (working copy)
@@ -257,6 +257,36 @@
                        [pickerCancelCallback retain];
                }
 
+                // overlay view
+                if ([args objectForKey:@"overlay"] != nil) 
+                {
+                       NSString *overlayPath = [TiUtils stringValue:[args objectForKey:@"overlay"]];
+
+                        NSData *dt = [NSData dataWithContentsOfURL:
+                                         [NSURL URLWithString:overlayPath]];
+                        UIImage *image = [[UIImage alloc] initWithData:dt];
+                        UIImageView *iv = [[UIImageView alloc] initWithImage:image];
+
+                        UIView *view = [[UIView alloc] initWithFrame:CGRectMake(0,0,320,480)];
+                        [view addSubview:iv];
+
+                        CGRect newBounds = CGRectMake(0, 0, 320, 480);
+                        CGPoint newCenter;
+                        newCenter.x = 160;
+                        newCenter.y = 240;
+                        [view setBounds:newBounds];
+                        [view setCenter:newCenter];
+                        reader.cameraOverlayView = view;
+
+                } else {
+                       if (pickerErrorCallback!=nil){
+                               id listener = [[pickerErrorCallback retain] autorelease];
+                
+                               NSMutableDictionary *dictionary = [NSMutableDictionary dictionary];
+                               [self _fireEventToListener:@"error" withObject:dictionary listener:listener thisObject:nil];
+                       }
+                }
+
                // show
                TiApp * tiApp = [TiApp app];
                [tiApp showModalController:reader animated:YES];