From f7f6333831e7b991d92abeddfbd46c2884afa405 Mon Sep 17 00:00:00 2001 From: Wu-cheng Li Date: Thu, 3 Jun 2010 16:34:18 +0800 Subject: Add camera metering mode API. bug:2737111 Change-Id: Ie986fee56ebeaaed2d2efb757701dfe3ffdec8d8 --- include/camera/CameraParameters.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include') diff --git a/include/camera/CameraParameters.h b/include/camera/CameraParameters.h index 2b7a86eb..4840b40 100644 --- a/include/camera/CameraParameters.h +++ b/include/camera/CameraParameters.h @@ -250,6 +250,10 @@ public: // Example value: "yuv420sp" or PIXEL_FORMAT_XXX constants. Read only. static const char KEY_VIDEO_FRAME_FORMAT[]; + // Metering mode. This affects how camera determines exposure. + // Example value: "spot" or METERING_MODE_XXX constants. Read/write. + static const char KEY_METERING_MODE[]; + // Value for KEY_ZOOM_SUPPORTED or KEY_SMOOTH_ZOOM_SUPPORTED. static const char TRUE[]; @@ -347,6 +351,15 @@ public: // callback will be only called once as soon as the picture is in focus. static const char FOCUS_MODE_CONTINUOUS[]; + // The camera determines the exposure by giving more weight to the + // central part of the scene. + static const char METERING_MODE_CENTER_WEIGHTED[]; + // The camera determines the exposure by averaging the entire scene, + // giving no weighting to any particular area. + static const char METERING_MODE_FRAME_AVERAGE[]; + // The camera determines the exposure by a very small area of the scene, + // typically the center. + static const char METERING_MODE_SPOT[]; private: DefaultKeyedVector mMap; -- cgit v1.1