Load and apply a vcgt table from an ICC file to the internal display

ui/display/chromeos/display_configurator.h

 // Copyright 2014 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 UI_DISPLAY_CHROMEOS_DISPLAY_CONFIGURATOR_H_
 #define UI_DISPLAY_CHROMEOS_DISPLAY_CONFIGURATOR_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 11 matching lines @@
 #include "ui/display/types/native_display_observer.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace gfx {
 class Point;
 class Size;
 }
 
 namespace ui {
 struct DisplayConfigureRequest;
+struct GammaRampRGBEntry;
 class DisplayMode;
 class DisplaySnapshot;
 class NativeDisplayDelegate;
 class UpdateDisplayConfigurationTask;
 
 // This class interacts directly with the system display configurator.
 class DISPLAY_EXPORT DisplayConfigurator : public NativeDisplayObserver {
  public:
   typedef uint64_t ContentProtectionClientId;
   static const ContentProtectionClientId kInvalidClientId = 0;
@@ skipping 218 matching lines @@
 
   // Checks the available color profiles for |display_id| and fills the result
   // into |profiles|.
   std::vector<ui::ColorCalibrationProfile> GetAvailableColorCalibrationProfiles(
       int64_t display_id);
 
   // Updates the color calibration to |new_profile|.
   bool SetColorCalibrationProfile(int64_t display_id,
                                   ui::ColorCalibrationProfile new_profile);
 
+  // Sets the gamma ramp for |display_id| to the values in |lut|.
+  bool SetGammaRamp(int64_t display_id,
+                    const std::vector<GammaRampRGBEntry>& lut);
+
  private:
   class DisplayLayoutManagerImpl;
 
   // Mapping a display_id to a protection request bitmask.
   typedef std::map<int64_t, uint32_t> ContentProtections;
   // Mapping a client to its protection request.
   typedef std::map<ContentProtectionClientId, ContentProtections>
       ProtectionRequests;
 
   // Performs platform specific delegate initialization.
@@ skipping 122 matching lines @@
 
   // This must be the last variable.
   base::WeakPtrFactory<DisplayConfigurator> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DisplayConfigurator);
 };
 
 }  // namespace ui
 
 #endif  // UI_DISPLAY_CHROMEOS_DISPLAY_CONFIGURATOR_H_