Introduce temporary lo_set_view_size() hack like on Android and call it

Change-Id: I44df0946f59d1b9a2a6ea935b3c2ea3c96c1260d

ios/experimental/Viewer/Viewer/LOViewerAppDelegate.mm

@@ -45,6 +45,8 @@ static UIWindow *theWindow;
     self.window.pixelBuffer = pixelBuffer;
     self.window.image = image;
 
+    lo_set_view_size(bounds.size.width, bounds.size.height);
+
     [self.window makeKeyAndVisible];
 
     NSThread* thread = [[NSThread alloc] initWithTarget:self

sal/inc/osl/detail/ios-bootstrap.h

@@ -42,6 +42,7 @@ void lo_damaged();
 /* 2) */
 
 void lo_runMain();
+void lo_set_view_size(int width, int height);
 void lo_render_windows(char *pixelBuffer, int width, int height);
 
 #ifdef __cplusplus

vcl/ios/iosinst.cxx

@@ -296,6 +296,14 @@ int IosSalSystem::ShowNativeDialog( const rtl::OUString& rTitle,
     return 0;
 }
 
+extern "C"
+void lo_set_view_size(int width, int height)
+{
+    // Horrible
+    viewWidth = width;
+    viewHeight = height;
+}
+
 extern "C"
 void lo_render_windows(char *pixelBuffer, int width, int height)
 {