1# OH_Pixelmap_HdrMetadataValue 2 3## Overview 4 5The OH_Pixelmap_HdrMetadataValue struct describes the HDR metadata values used by the PixelMap and available for the key [OH_Pixelmap_HdrMetadataKey](capi-pixelmap-native-h.md#oh_pixelmap_hdrmetadatakey). It is used in [OH_PixelmapNative_SetMetadata](capi-pixelmap-native-h.md#oh_pixelmapnative_setmetadata) and [OH_PixelmapNative_GetMetadata](capi-pixelmap-native-h.md#oh_pixelmapnative_getmetadata). 6 7**Since**: 12 8 9**Related module**: [Image_NativeModule](capi-image-nativemodule.md) 10 11**Header file**: [pixelmap_native.h](capi-pixelmap-native-h.md) 12 13## Summary 14 15### Member Variables 16 17| Name| Description| 18| -- | -- | 19| [OH_Pixelmap_HdrMetadataType](capi-pixelmap-native-h.md#oh_pixelmap_hdrmetadatatype) type | Values available for the key **HDR_METADATA_TYPE**.| 20| [OH_Pixelmap_HdrStaticMetadata](capi-image-nativemodule-oh-pixelmap-hdrstaticmetadata.md) | Values available for the key **HDR_STATIC_METADATA**.| 21| [OH_Pixelmap_HdrDynamicMetadata](capi-image-nativemodule-oh-pixelmap-hdrdynamicmetadata.md) dynamicMetadata | Values available for the key **HDR_DYNAMIC_METADATA**.| 22| [OH_Pixelmap_HdrGainmapMetadata](capi-image-nativemodule-oh-pixelmap-hdrgainmapmetadata.md) gainmapMetadata | Values available for the key **HDR_GAINMAP_METADATA**.| 23