---
UID: NF:d2d1.ID2D1Brush.GetOpacity
title: ID2D1Brush::GetOpacity (d2d1.h)
description: Gets the degree of opacity of this brush.
old-location: direct2d\ID2D1Brush_GetOpacity.htm
tech.root: Direct2D
ms.assetid: 1a11b36f-96c3-46fb-9fae-721edb097ad7
ms.date: 12/05/2018
ms.keywords: GetOpacity, GetOpacity method [Direct2D], GetOpacity method [Direct2D],ID2D1Brush interface, ID2D1Brush interface [Direct2D],GetOpacity method, ID2D1Brush.GetOpacity, ID2D1Brush::GetOpacity, d2d1/ID2D1Brush::GetOpacity, direct2d.ID2D1Brush_GetOpacity
f1_keywords:
- d2d1/ID2D1Brush.GetOpacity
dev_langs:
- c++
req.header: d2d1.h
req.include-header: 
req.target-type: Windows
req.target-min-winverclnt: Windows 7, Windows Vista with SP2 and Platform Update for Windows Vista [desktop apps \| UWP apps]
req.target-min-winversvr: Windows Server 2008 R2, Windows Server 2008 with SP2 and Platform Update for Windows Server 2008 [desktop apps \| UWP apps]
req.kmdf-ver: 
req.umdf-ver: 
req.ddi-compliance: 
req.unicode-ansi: 
req.idl: 
req.max-support: 
req.namespace: 
req.assembly: 
req.type-library: 
req.lib: D2d1.lib
req.dll: D2d1.dll
req.irql: 
topic_type:
- APIRef
- kbSyntax
api_type:
- COM
api_location:
- D2d1.dll
api_name:
- ID2D1Brush.GetOpacity
targetos: Windows
req.typenames: 
req.redist: 
ms.custom: 19H1
---

# ID2D1Brush::GetOpacity


## -description


Gets the degree of opacity of this brush.  


## -parameters






## -returns



Type: <b>FLOAT</b>

A value between zero and 1 that indicates the opacity of the brush. This value is a constant multiplier that linearly scales the alpha value of all pixels filled by the brush. The opacity values are clamped in the range 0–1 before they are multipled together. 




## -see-also




<a href="https://docs.microsoft.com/windows/desktop/api/d2d1/nn-d2d1-id2d1brush">ID2D1Brush</a>
 

 

