# Rect


## Overview

If **rects** is a null pointer, the buffer size is the same as the size of the dirty region by default.


**Related Modules:**

[NativeWindow](_native_window.md)


## Summary



### Member Variables

| Name | Description | 
| -------- | -------- |
| x | Start X coordinate of the rectangle. | 
| y | Start Y coordinate of the rectangle.  | 
| w | Width of the rectangle. | 
| h | Height of the rectangle.  | 


## Member Variable Description 

### x

```
int32_t Rect::x
```
**Description**<br>
Start X coordinate of the rectangle.


### y

  
```
int32_t Rect::y
```
**Description**<br>
Start Y coordinate of the rectangle.

### w

  
```
int32_t Rect::w
```
**Description**<br>
Width of the rectangle.


### h

  
```
int32_t Rect::h
```
**Description**<br>
Height of the rectangle.