MGD::CONTEXT_MEM24 Class Reference

#include <mi32/mg2mem24.h>

Inheritance diagram for MGD::CONTEXT_MEM24:

[legend]

List of all members.

Public Member Functions
virtual	~CONTEXT_MEM24 ()
Protected Member Functions
	CONTEXT_MEM24 (MGD::DEVICE_MEM24 *disp)
virtual ERRVALUE	v_PutImageSpanDirect (INT32 x, INT32 y, INT32 len, const void *data, const UINT8 *mask)
virtual ERRVALUE	v_PutPixel (INT32 x, INT32 y, MGD::PIXEL pixel)
void	v_UpdateColor ()
void	v_UpdatePlaneMask ()
Protected Attributes
UINT8	m_maskbyte0
UINT8	m_maskbyte1
UINT8	m_maskbyte2
UINT8	m_pixbyte0
UINT8	m_pixbyte1
UINT8	m_pixbyte2

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Constructor & Destructor Documentation

virtual MGD::CONTEXT_MEM24::~CONTEXT_MEM24

(

)

[virtual]

MGD::CONTEXT_MEM24::CONTEXT_MEM24

(

MGD::DEVICE_MEM24 *

disp

)

[protected]

Default Constructor.

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Member Function Documentation

virtual ERRVALUE MGD::CONTEXT_MEM24::v_PutImageSpanDirect	(	INT32	x,
		INT32	y,
		INT32	len,
		const void *	data,
		const UINT8 *	mask
	)			[protected, virtual]

Put a span of image data.

Note: Before putting an image, you MUST call ImageBegin and call ImageEnd afterwards. These are stub functions that do nothing in most implementations, but required by others

This function should assume the data passed to it is exactly what it wants. The caller will actually call PutImageSpan(), and ImageBegin() will cause PutImageSpan to either call this directly or first translate the data from one display type to what we really want.

Reimplemented from MGD::CONTEXT.

virtual ERRVALUE MGD::CONTEXT_MEM24::v_PutPixel	(	INT32	x,
		INT32	y,
		MGD::PIXEL	pixel
	)			[protected, virtual]

Put single pixel on generic display.

Default implementation calls SetColor() and DrawPixel() and the default DrawPixel() just calls FillSpan with a one-pixel span If there is any 3D depth testing active, PutPixel() calculates z and calls PutPixel3D()

Reimplemented from MGD::CONTEXT.

void MGD::CONTEXT_MEM24::v_UpdateColor

(

)

[protected, virtual]

Called when the current drawing color changes (via a PIXEL).

This method can be overridden by a derived class if it needs to notify the underlying device about a change to the context. The default implementation does nothing. Note that this method is always called when the color is changed, where as the COLOR version is only called if the COLOR version of SetColor() is called.

Reimplemented from MGD::CONTEXT.

void MGD::CONTEXT_MEM24::v_UpdatePlaneMask

(

)

[protected, virtual]

Called when the PlaneMask changes.

This method can be overridden by a derived class if it needs to notify the underlying device about a change to the context. The default implementation does nothing.

Reimplemented from MGD::CONTEXT.

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Member Data Documentation

UINT8 MGD::CONTEXT_MEM24::m_maskbyte0 [protected]

UINT8 MGD::CONTEXT_MEM24::m_maskbyte1 [protected]

UINT8 MGD::CONTEXT_MEM24::m_maskbyte2 [protected]

UINT8 MGD::CONTEXT_MEM24::m_pixbyte0 [protected]

UINT8 MGD::CONTEXT_MEM24::m_pixbyte1 [protected]

UINT8 MGD::CONTEXT_MEM24::m_pixbyte2 [protected]

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

• mi32/mg2mem24.h