鸿蒙OpenHarmony Native API【结构体】 头文件

发布于:2024-07-26 ⋅ 阅读:(129) ⋅ 点赞:(0)

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
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