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CD2DResource Class

  • Artikel

An abstract class that provides an interface for creating and managing D2D resources such as brushes, layers, and texts.

Syntax

class CD2DResource : public CObject;

Members

Protected Constructors

Name Description
CD2DResource::CD2DResource Constructs a CD2DResource object.
CD2DResource::~CD2DResource The destructor. Called when a D2D resource object is being destroyed.

Public Methods

Name Description
CD2DResource::Create Creates a CD2DResource.
CD2DResource::Destroy Destroys a CD2DResource object.
CD2DResource::IsValid Checks resource validity

Protected Methods

Name Description
CD2DResource::IsAutoDestroy Check auto destroy flag.
CD2DResource::ReCreate Re-creates a CD2DResource.

Protected Data Members

Name Description
CD2DResource::m_bIsAutoDestroy Resource will be destroyed by owner (CRenderTarget)
CD2DResource::m_pParentTarget Pointer to the parent CRenderTarget)

Inheritance Hierarchy

CObject

CD2DResource

Requirements

Header: afxrendertarget.h

CD2DResource::~CD2DResource

The destructor. Called when a D2D resource object is being destroyed.

virtual ~CD2DResource();

CD2DResource::CD2DResource

Constructs a CD2DResource object.

CD2DResource(
    CRenderTarget* pParentTarget,
    BOOL bAutoDestroy);

Parameters

pParentTarget
A pointer to the render target.

bAutoDestroy
Indicates that the object will be destroyed by owner (pParentTarget).

CD2DResource::Create

Creates a CD2DResource.

virtual HRESULT Create(CRenderTarget* pRenderTarget) = 0;

Parameters

pRenderTarget
A pointer to the render target.

Return Value

If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

CD2DResource::Destroy

Destroys a CD2DResource object.

virtual void Destroy() = 0;

CD2DResource::IsAutoDestroy

Check auto destroy flag.

BOOL IsAutoDestroy() const;

Return Value

TRUE if the object will be destroyed by its owner; otherwise FALSE.

CD2DResource::IsValid

Checks resource validity

virtual BOOL IsValid() const = 0;

Return Value

TRUE if resource is valid; otherwise FALSE.

CD2DResource::m_bIsAutoDestroy

Resource will be destroyed by owner (CRenderTarget)

BOOL m_bIsAutoDestroy;

CD2DResource::m_pParentTarget

Pointer to the parent CRenderTarget)

CRenderTarget* m_pParentTarget;

CD2DResource::ReCreate

Re-creates a CD2DResource.

virtual HRESULT ReCreate(CRenderTarget* pRenderTarget);

Parameters

pRenderTarget
A pointer to the render target.

Return Value

If the method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

See also

Classes