harmony 鸿蒙OhosPixelMapInfos

2025-06-12
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OhosPixelMapInfos

Overview

The OhosPixelMapInfos struct describes the information about a PixelMap.

System capability: SystemCapability.Multimedia.Image

Since: 10

Related module: Image

Header file: image_pixel_map_mdk.h

Summary

Member Variables

Name	Description
uint32_t width	Image width, in pixels.
uint32_t height	Image height, in pixels.
uint32_t rowSize	Number of bytes that each row of the image occupies in the memory.
int32_t pixelFormat	Pixel format.

Member Variable Description

height

uint32_t OhosPixelMapInfos::height

Description

Image height, in pixels.

pixelFormat

int32_t OhosPixelMapInfos::pixelFormat

Description

Pixel format.

rowSize

uint32_t OhosPixelMapInfos::rowSize

Description

Number of bytes that each row of the image occupies in the memory.

In the case of DMA, the formula is as follows: Image width x Number of bytes of each pixel + Number of padding bytes at the end of each row. In the case of other types of memory, the formula is as follows: Image width x Number of bytes of each pixel.