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pdf/paint_aggregator.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PDF_PAINT_AGGREGATOR_H_
 #define PDF_PAINT_AGGREGATOR_H_
 
 #include <vector>
 
 #include "ppapi/cpp/image_data.h"
 #include "ppapi/cpp/rect.h"
-#include "ppapi/cpp/rect.h"
 
 // This class is responsible for aggregating multiple invalidation and scroll
 // commands to produce a scroll and repaint sequence. You can use this manually
 // to track your updates, but most applications will use the PaintManager to
 // additionally handle the necessary callbacks on top of the PaintAggregator
 // functionality.
 //
 // See http://code.google.com/p/ppapi/wiki/2DPaintingModel
 class PaintAggregator {
  public:
   // Stores information about a rectangle that has finished painting.  The
   // PaintManager will paint it only when everything else on the screen is also
   // ready.
   struct ReadyRect {
     pp::Point offset;
     pp::Rect rect;
     pp::ImageData image_data;
   };
 
   struct PaintUpdate {
     PaintUpdate();
+    PaintUpdate(const PaintUpdate& that);
     ~PaintUpdate();
 
     // True if there is a scroll applied. This indicates that the scroll delta
     // and scroll_rect are nonzero (just as a convenience).
     bool has_scroll;
 
     // The amount to scroll by. Either the X or Y may be nonzero to indicate a
     // scroll in that direction, but there will never be a scroll in both
     // directions at the same time (this will be converted to a paint of the
     // region instead).
@@ skipping 77 matching lines @@
 
   // Internal method used by InvalidateRect. If |check_scroll| is true, then the
   // method checks if there's a pending scroll and if so also invalidates |rect|
   // in the new scroll position.
   void InvalidateRectInternal(const pp::Rect& rect, bool check_scroll);
 
   InternalPaintUpdate update_;
 };
 
 #endif  // PDF_PAINT_AGGREGATOR_H_