harmony 鸿蒙Region
Region
Overview
The Region struct describes the rectangle (dirty region) where the content is to be updated in the local OHNativeWindow.
Since: 8
Related module: NativeWindow
Header file: external_window.h
Summary
Structs
| Name | Description |
|---|---|
| struct Rect | Describes a rectangle. |
Member Variables
| Name | Description |
|---|---|
| struct Region::Rect * rects | If rects is a null pointer, the buffer size is the same as the size of the dirty region by default. |
| int32_t rectNumber | If rectNumber is 0, the buffer size is the same as the size of the dirty region by default. |
Member Variable Description
rectNumber
int32_t Region::rectNumber
Description
If rectNumber is 0, the buffer size is the same as the size of the dirty region by default.
*rects
struct Rect Region::*rects
Description
Pointer to the struct. The type is Rect. If rects is a null pointer, the buffer size is the same as the size of the dirty region by default.
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