deBaseGraphicContext Class Reference

Graphic Module Context Peer. More...

#include <deBaseGraphicContext.h>

List of all members.

Public Member Functions
Constructors and Destructors
	deBaseGraphicContext ()
	Creates a new peer.
virtual	~deBaseGraphicContext ()
	Cleans up the peer.
Notifications
virtual void	ViewportChanged ()
	Viewport changed.
virtual void	OffsetChanged ()
	Render offset changed.
virtual void	ColorChanged ()
	Color changed.
virtual void	AlphaChanged ()
	Alpha changed.
virtual void	FontChanged ()
	Font changed.
Drawing
virtual void	DrawPoint (int x, int y)
	Draw point at (x,y) using current drawing color and alpha value.
virtual void	DrawLine (int x1, int y1, int x2, int y2)
	Draw line from (x1,y1) to (x2,y2) using the current drawing color and alpha value.
virtual void	DrawRect (int x1, int y1, int x2, int y2)
	Draw outlined rectangle at (x1,y1) to (x2,y2) using the current color and alpha value.
virtual void	DrawImage (deImage *image, int x, int y)
	Draw image at (x,y).
virtual void	DrawImage (deImage *image, int x, int y, int width, int height)
	Draw image at (x,y) scaled to (width,height).
virtual void	DrawImage (deImage *image, int x, int y, int width, int height, int sx, int sy, int swidth, int sheight)
	Draw area (sx,sy) size (swidth,sheight) from image at (x,y) scaled to (width,height).
virtual void	DrawTarget (deRenderTarget *target, int x, int y)
	Draw render target at (x,y).
virtual void	DrawTarget (deRenderTarget *target, int x, int y, int width, int height)
	Draw render target at (x,y) scaled to (width,height).
virtual void	DrawTarget (deRenderTarget *target, int x, int y, int width, int height, int sx, int sy, int swidth, int sheight)
	Draw area (sx,sy) size (swidth,sheight) from render target at (x,y) scaled to (width,height).
virtual void	DrawText (int x, int y, const char *text, int len)
	Draw text at (x,y) using the current font, drawing color and alpha value.
virtual void	FillRect (int x1, int y1, int x2, int y2)
	Draw filled rectangle from (x1,y1) to (x2,y2) using the current color and alpha value.
virtual void	RenderWorld (deCamera *camera)
	Render a world.
virtual void	ExtractImage (deImage *image)
	Extract entire drawable area of context into the specified image.
virtual void	ExtractImage (deImage *image, int x, int y, int width, int height)
	Extract area (x,y) size (width,height) of context into the specified image.
virtual void	TransformColors (const decColorMatrix &matrix, int x1, int y1, int x2, int y2)
	Transform the color of all pixels in the given area using a color matrix.

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Detailed Description

Graphic Module Context Peer.

A context provides the drawing capabilities for a render target or a similar object which is drawable. The context keeps track of the drawing state and provides low level switching of hardware needed if another context does drawing.

Author:

Plüss Roland

Version:

1.0

Date:

2008

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Constructor & Destructor Documentation

deBaseGraphicContext::deBaseGraphicContext

(

)

Creates a new peer.

virtual deBaseGraphicContext::~deBaseGraphicContext

(

)

[virtual]

Cleans up the peer.

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Member Function Documentation

virtual void deBaseGraphicContext::AlphaChanged

(

)

[virtual]

Alpha changed.

virtual void deBaseGraphicContext::ColorChanged

(

)

[virtual]

Color changed.

virtual void deBaseGraphicContext::DrawImage	(	deImage *	image,
		int	x,
		int	y
	)		[virtual]

Draw image at (x,y).

virtual void deBaseGraphicContext::DrawImage	(	deImage *	image,
		int	x,
		int	y,
		int	width,
		int	height
	)		[virtual]

Draw image at (x,y) scaled to (width,height).

virtual void deBaseGraphicContext::DrawImage	(	deImage *	image,
		int	x,
		int	y,
		int	width,
		int	height,
		int	sx,
		int	sy,
		int	swidth,
		int	sheight
	)		[virtual]

Draw area (sx,sy) size (swidth,sheight) from image at (x,y) scaled to (width,height).

virtual void deBaseGraphicContext::DrawLine	(	int	x1,
		int	y1,
		int	x2,
		int	y2
	)		[virtual]

Draw line from (x1,y1) to (x2,y2) using the current drawing color and alpha value.

virtual void deBaseGraphicContext::DrawPoint	(	int	x,
		int	y
	)		[virtual]

Draw point at (x,y) using current drawing color and alpha value.

virtual void deBaseGraphicContext::DrawRect	(	int	x1,
		int	y1,
		int	x2,
		int	y2
	)		[virtual]

Draw outlined rectangle at (x1,y1) to (x2,y2) using the current color and alpha value.

virtual void deBaseGraphicContext::DrawTarget	(	deRenderTarget *	target,
		int	x,
		int	y
	)		[virtual]

Draw render target at (x,y).

virtual void deBaseGraphicContext::DrawTarget	(	deRenderTarget *	target,
		int	x,
		int	y,
		int	width,
		int	height
	)		[virtual]

Draw render target at (x,y) scaled to (width,height).

virtual void deBaseGraphicContext::DrawTarget	(	deRenderTarget *	target,
		int	x,
		int	y,
		int	width,
		int	height,
		int	sx,
		int	sy,
		int	swidth,
		int	sheight
	)		[virtual]

Draw area (sx,sy) size (swidth,sheight) from render target at (x,y) scaled to (width,height).

virtual void deBaseGraphicContext::DrawText	(	int	x,
		int	y,
		const char *	text,
		int	len
	)		[virtual]

Draw text at (x,y) using the current font, drawing color and alpha value.

virtual void deBaseGraphicContext::ExtractImage

(

deImage *

image )

[virtual]

Extract entire drawable area of context into the specified image.

virtual void deBaseGraphicContext::ExtractImage	(	deImage *	image,
		int	x,
		int	y,
		int	width,
		int	height
	)		[virtual]

Extract area (x,y) size (width,height) of context into the specified image.

virtual void deBaseGraphicContext::FillRect	(	int	x1,
		int	y1,
		int	x2,
		int	y2
	)		[virtual]

Draw filled rectangle from (x1,y1) to (x2,y2) using the current color and alpha value.

virtual void deBaseGraphicContext::FontChanged

(

)

[virtual]

Font changed.

virtual void deBaseGraphicContext::OffsetChanged

(

)

[virtual]

Render offset changed.

virtual void deBaseGraphicContext::RenderWorld

(

deCamera *

camera )

[virtual]

Render a world.

virtual void deBaseGraphicContext::TransformColors	(	const decColorMatrix &	matrix,
		int	x1,
		int	y1,
		int	x2,
		int	y2
	)		[virtual]

Transform the color of all pixels in the given area using a color matrix.

virtual void deBaseGraphicContext::ViewportChanged

(

)

[virtual]

Viewport changed.

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The documentation for this class was generated from the following file:

• deBaseGraphicContext.h