Lines Matching full:metering
352 // The maximum number of metering areas supported. This is the maximum
356 // Current metering areas. Camera driver uses these areas to decide
360 // KEY_MAX_NUM_METERING_AREAS first to know the maximum number of metering
361 // areas first. If the value is 0, metering area is not supported.
363 // Each metering area is a rectangle with specified weight. The direction is
368 // is the lower right point. The width and height of metering areas cannot
375 // metering than the larger area. Metering areas can partially overlap and
378 // A special case of all-zero single metering area means driver to decide
379 // the metering area. For example, the driver may use more signals to decide
380 // metering areas and change them dynamically. Apps can set all-zero if they
381 // want the driver to decide metering areas.
383 // Metering areas are relative to the current field of view (KEY_ZOOM).
385 // currently visible camera frame. The metering area cannot be set to be
388 // No matter what metering areas are, the final exposure are compensated
