1e41f4b71Sopenharmony_ci# image_pixel_map_napi.h 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 概述 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ci声明可以锁定、访问、解锁PixelMap数据的方法。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci**库**：libpixelmap_ndk.z.so 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**引用文件**：<multimedia/image_framework/image_pixel_map_napi.h> 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci**起始版本：** 8 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci**废弃版本：** 10 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci**废弃替代：** [image_pixel_map_mdk.h](image__pixel__map__mdk_8h.md) 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci**相关模块：** [Image](image.md) 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci 21e41f4b71Sopenharmony_ci## 汇总 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci### 结构体 25e41f4b71Sopenharmony_ci 26e41f4b71Sopenharmony_ci| 名称 | 描述 | 27e41f4b71Sopenharmony_ci| -------- | -------- | 28e41f4b71Sopenharmony_ci| struct [OhosPixelMapInfo](_o_h_o_s_1_1_media_1_1_ohos_pixel_map_info.md) | 用于定义 pixel map 的相关信息。 | 29e41f4b71Sopenharmony_ci 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci### 枚举 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci| 名称 | 描述 | 34e41f4b71Sopenharmony_ci| -------- | -------- | 35e41f4b71Sopenharmony_ci| { [OHOS_IMAGE_RESULT_SUCCESS](image.md#anonymous-enum-33) = 0,<br/>[OHOS_IMAGE_RESULT_BAD_PARAMETER](image.md#anonymous-enum-33) = -1 } | 函数方法返回值的错误码的枚举。 | 36e41f4b71Sopenharmony_ci| { [OHOS_PIXEL_MAP_FORMAT_NONE](image.md#anonymous-enum-33-1) = 0,<br/>[OHOS_PIXEL_MAP_FORMAT_RGBA_8888](image.md#anonymous-enum-33-1) = 3,<br/>[OHOS_PIXEL_MAP_FORMAT_RGB_565](image.md#anonymous-enum-33-1) = 2 } | Pixel格式的枚举。 | 37e41f4b71Sopenharmony_ci| { [OHOS_PIXEL_MAP_SCALE_MODE_FIT_TARGET_SIZE](image.md#anonymous-enum) = 0,<br/>[OHOS_PIXEL_MAP_SCALE_MODE_CENTER_CROP](image.md#anonymous-enum) = 1 } | PixelMap缩放类型的枚举。 | 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci 40e41f4b71Sopenharmony_ci### 函数 41e41f4b71Sopenharmony_ci 42e41f4b71Sopenharmony_ci| 名称 | 描述 | 43e41f4b71Sopenharmony_ci| -------- | -------- | 44e41f4b71Sopenharmony_ci| int32_t [OH_GetImageInfo](image.md#oh_getimageinfo) (napi_env env, napi_value value, [OhosPixelMapInfo](_o_h_o_s_1_1_media_1_1_ohos_pixel_map_info.md) \*info) | 获取 **PixelMap** 的信息，并记录信息到[OhosPixelMapInfo](_o_h_o_s_1_1_media_1_1_ohos_pixel_map_info.md)结构中。 | 45e41f4b71Sopenharmony_ci| int32_t [OH_AccessPixels](image.md#oh_accesspixels) (napi_env env, napi_value value, void \*\*addrPtr) | 获取**PixelMap**对象数据的内存地址，并锁定该内存。 | 46e41f4b71Sopenharmony_ci| int32_t [OH_UnAccessPixels](image.md#oh_unaccesspixels) (napi_env env, napi_value value) | 释放**PixelMap**对象数据的内存锁, 用于匹配方法**OH_AccessPixels**。 | 47