tContext Struct Reference

#include <grlib.h>

Data Fields
long	lSize
	The size of this structure.
const tDisplay *	pDisplay
	The screen onto which drawing operations are performed.
tRectangle	sClipRegion
	The clipping region to be used when drawing onto the screen.
unsigned long	ulForeground
	The color used to draw primitives onto the screen.
unsigned long	ulBackground
	The background color used to draw primitives onto the screen.
const tFont *	pFont
	The font used to render text onto the screen.

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Detailed Description

This structure defines a drawing context to be used to draw onto the screen. Multiple drawing contexts may exist at any time.

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Field Documentation

long tContext::lSize

The size of this structure.

Referenced by GrContextInit().

const tDisplay* tContext::pDisplay

The screen onto which drawing operations are performed.

Referenced by GrContextClipRegionSet(), GrContextInit(), GrImageDraw(), GrLineDraw(), GrLineDrawH(), GrLineDrawV(), GrPaletteConversion(), GrRectFill(), and GrStringDraw().

tRectangle tContext::sClipRegion

The clipping region to be used when drawing onto the screen.

Referenced by GrCircleDraw(), GrCircleFill(), GrContextClipRegionSet(), GrContextInit(), GrImageDraw(), GrLineDrawH(), GrLineDrawV(), GrRectFill(), and GrStringDraw().

unsigned long tContext::ulForeground

The color used to draw primitives onto the screen.

Referenced by GrContextInit(), GrLineDraw(), GrLineDrawH(), GrLineDrawV(), GrRectFill(), and GrStringDraw().

unsigned long tContext::ulBackground

The background color used to draw primitives onto the screen.

Referenced by GrContextInit(), and GrStringDraw().

const tFont* tContext::pFont

The font used to render text onto the screen.

Referenced by GrContextInit(), GrStringDraw(), and GrStringWidthGet().

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

• grlib.h