IRsPaintRenderer Struct Reference

Inherits IUnknown.

List of all members.

Public Member Functions
HRESULT	Render ([in] IUnknown *pDevice)
HRESULT	Begin ()
HRESULT	End ()
HRESULT	Reset ()
HRESULT	AddPoint ([in] const RtUVcoord &pt)
HRESULT	SetShape ([in] IRdBitmap *pShape)
HRESULT	SetColor ([in] RtDWORD color)
HRESULT	SetSize ([in] RtFloat size)
HRESULT	Validate ([in] IUnknown *pDevice)
HRESULT	SetViewportData ([in] const RtUVcoord &pan,[in] RtFloat zoom,[in] RtFloat aspect)
HRESULT	OnReset ()

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Detailed Description

Preview for brush paint tool.

• Renders the brush dots along drag line when active.
• Drag line points are progressively added.

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Member Function Documentation

HRESULT IRsPaintRenderer::Render

(

[in] IUnknown *

pDevice

)

Renders the preview to specified device.

Parameters:

pDevice

[in] DirectX device (IDirect3DDevice9)

HRESULT IRsPaintRenderer::Begin

(

)

Enables preview rendering.

HRESULT IRsPaintRenderer::End

(

)

Disables preview rendering

HRESULT IRsPaintRenderer::Reset

(

)

Clears the drag line

HRESULT IRsPaintRenderer::AddPoint

(

[in] const RtUVcoord &

pt

)

Adds new point at the end of drag line.

• Point is in normalized view coordinates (0,0->1,1).

Parameters:

pt

[in] New point.

HRESULT IRsPaintRenderer::SetShape

(

[in] IRdBitmap *

pShape

)

Sets the brush bitmap to use (takes alpha channel into account).

Parameters:

pShape

[in] Set the brush bitmap.

HRESULT IRsPaintRenderer::SetColor

(

[in] RtDWORD

color

)

Sets the color of brush.

Parameters:

color

[in] Set color of brush (format=0xAARRGGBB).

HRESULT IRsPaintRenderer::SetSize

(

[in] RtFloat

size

)

Sets the brush size.

Parameters:

size

[in] Set brush size.

HRESULT IRsPaintRenderer::Validate

(

[in] IUnknown *

pDevice

)

Creates brush texture from brush bitmap to allow rendering.

Parameters:

pDevice

[in] Create brush texture.

HRESULT IRsPaintRenderer::SetViewportData	(	[in] const RtUVcoord &	pan,
		[in] RtFloat	zoom,
		[in] RtFloat	aspect
	)

Sets up current viewport.

Parameters:

	pan	[in] .
	zoom	[in] .
	aspect	[in] .

HRESULT IRsPaintRenderer::OnReset

(

)

Releases brush texture when device has been reset. It will be rebuilt in next validate cycle.