# DrawRectFilled

## Syntax

```lua
Susano.DrawRectFilled(x, y, w, h, r, g, b[, a][, rounding]) -> void
```

## Parameters

{% hint style="info" %}
`x, y` (number): Top-left corner in pixels.

`w, h` (number): Width and height in pixels.

`r, g, b` (number): Color. Accepts 0..1 floats or 0..255 integers (auto-detected).

`a` (number, optional): Alpha. Default: 1.0.

`rounding` (number, optional): Corner rounding in pixels. Default: 0.0.
{% endhint %}

## Return(s)

{% hint style="info" %}
None
{% endhint %}

## Behavior

{% hint style="info" %}
Appends a filled rectangle to the build buffer. Visible after Susano.SubmitFrame() or on next present if auto-frame is enabled.
{% endhint %}

## Example(s)

```lua
Susano.BeginFrame()
Susano.DrawRectFilled(100, 100, 200, 50, 0.2, 0.2, 0.8, 0.9, 6)
Susano.SubmitFrame()
```


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