鸿蒙OpenHarmony Native API【结构体】 头文件

OH_Drawing_BitmapFormat

Overview

Related Modules:

Drawing

Description:

结构体用于描述位图像素的格式，包括颜色类型和透明度类型

Since:

8

Version:

1.0

Summary

Public Attributes

Public Attribute Name	Description
colorFormat
alphaFormat

Details

Member Data

alphaFormat

OH_Drawing_AlphaFormat OH_Drawing_BitmapFormat::alphaFormat

Description:

描述位图像素的透明度分量

colorFormat

OH_Drawing_ColorFormat OH_Drawing_BitmapFormat::colorFormat

Description:

描述位图像素的存储格式

OH_NativeXComponent_Callback

Overview

Related Modules:

Native XComponent

Description:

Registers the surface lifecycle and touch event callbacks.

Since: 8 Version: 1.0

Summary

Public Attributes

Public Attribute Name	Description
[OnSurfaceCreated] )([OH_NativeXComponent] *component, void *window)
[OnSurfaceChanged] )([OH_NativeXComponent] *component, void *window)
[OnSurfaceDestroyed] )([OH_NativeXComponent] *component, void *window)
[DispatchTouchEvent] )([OH_NativeXComponent] *component, void *window)

OH_NativeXComponent_TouchEvent

Overview

Related Modules:

Native XComponent

Summary

Public Attributes

Public Attribute Name	Description
[id] = 0
[screenX] = 0.0
[screenY] = 0.0
[x] = 0.0
[y] = 0.0
[type] = [OH_NativeXComponent_TouchEventType::OH_NATIVEXCOMPONENT_UNKNOWN]
[size] = 0.0
[force] = 0.0
[deviceId]= 0
[timeStamp] = 0
[touchPoints] [OH_MAX_TOUCH_POINTS_NUMBER]
[numPoints] = 0

OH_NativeXComponent_TouchPoint

Overview

Related Modules:

Native XComponent

Summary

Public Attributes

Public Attribute Name	Description
[id] = 0
[screenX] = 0.0
[screenY] = 0.0
[x] = 0.0
[y] = 0.0
[type] = [OH_NativeXComponent_TouchEventType::OH_NATIVEXCOMPONENT_UNKNOWN]
[size] = 0.0
[force] = 0.0
[timeStamp] = 0
[isPressed] = false

RawFileDescriptor

Overview

Related Modules:

Rawfile

Description:

提供rawfile文件描述符信息

RawFileDescriptor是[OH_ResourceManager_GetRawFileDescriptor]的输出参数, 涵盖了rawfile文件的文件描述符以及在HAP包中的起始位置和长度。

Since:

8

Version:

1.0

Summary

Public Attributes

Public Attribute Name	Description
fd
start
length

Details

Member Data

fd

int RawFileDescriptor::fd

Description:

rawfile文件描述符

length

long RawFileDescriptor::length

Description:

rawfile在HAP包中的长度

start

long RawFileDescriptor::start

Description:

rawfile在HAP包中的起始位置
以上就是本篇文章所带来的鸿蒙开发中一小部分技术讲解；想要学习完整的鸿蒙全栈技术。可以在结尾找我可全部拿到！

下面是鸿蒙的完整学习路线 ，展示如下：

除此之外，根据这个学习鸿蒙全栈学习路线，也附带一整套完整的学习【文档+视频】，内容包含如下：

内容包含了：（ArkTS、ArkUI、Stage模型、多端部署、分布式应用开发、音频、视频、WebGL、OpenHarmony多媒体技术、Napi组件、OpenHarmony内核、鸿蒙南向开发、鸿蒙项目实战）等技术知识点。帮助大家在学习鸿蒙路上快速成长！

鸿蒙【北向应用开发+南向系统层开发】文档

鸿蒙【基础+实战项目】视频

鸿蒙面经

为了避免大家在学习过程中产生更多的时间成本，对比我把以上内容全部放在了↓↓↓想要的可以自拿喔！谢谢大家观看！