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djgraph.h File Reference

Graphics functionality. More...

Compounds
class	CdjRect
	This class inherits from an SDL_rect. Its only purpose is to add a constructor, for convenience. More...
class	djVisual
Defines
#define	PIXEL32TO16(i)   ( ((((i&0xFF0000)>>16) / 8) << 11) | ((((i& 0xFF00)>> 8) / 4) << 5) | ((((i& 0xFF) ) / 8) ) )
Functions
unsigned int	djgMapColor (djVisual *pVis, djColor color)
	Create a 32-bit unsigned int representing the given colour as it should be written to the given display surface.
djVisual*	djgOpenVisual (const char *vistype, int w, int h, int bpp=0, bool bBackbuffer=false)
	Create a visual.
void	djgCloseVisual (djVisual *pVis)
	Destroy a visual.
void	djgLock (djVisual *pVis)
	Lock a visual for surface buffer drawing.
void	djgUnlock (djVisual *pVis)
	Unlock a visual.
void	djgFlush (djVisual *pVis)
	Flush any pending drawing operations to visual buffer.
void	djgSetColor (djVisual *pVis, djColor clrFore, djColor clrBack)
	set foreground and background colors.
void	djgSetColorFore (djVisual *pVis, djColor color)
	set foreground color.
void	djgSetColorBack (djVisual *pVis, djColor color)
	set background color.
void	djgClear (djVisual *pVis)
	clear a visual.
void	djgPutPixel (djVisual *pVis, int x, int y, int r, int g, int b)
	Put pixel.
void	djgPutPixel (djVisual *pVis, int x, int y, djColor color)
	Put pixel.
void	djgDrawRectangle (djVisual *pVis, int x, int y, int w, int h)
	draw rectangle in current color.
void	djgDrawBox (djVisual *pVis, int x, int y, int w, int h)
	draw filled box in current color.
void	djgDrawHLine (djVisual *pVis, int x, int y, int n)
	draw horizontal line in current color.
void	djgDrawVLine (djVisual *pVis, int x, int y, int n)
	draw vertical line in current color.
void	djgDrawImage (djVisual *pVis, djImage *pImage, int x, int y, int w, int h)
	Draw (w,h) pixels of an image at (x,y).
void	djgDrawImage (djVisual *pVis, djImage *pImage, int xS, int yS, int xD, int yD, int w, int h)
	Draw (w,h) pixels of an image at (xD,yD) from (xS,yS) on image.
void	djgDrawImageAlpha (djVisual *pVis, djImage *pImage, int xS, int yS, int xD, int yD, int w, int h)
	Draw (w,h) pixels of an image at (xD,yD) from (xS,yS) on image with transparency.
void	djgDrawVisual (djVisual *pDest, djVisual *pSrc, int xD, int yD, int xS, int yS, int w, int h)
	Draw (w,h) pixels from a visual at (xD,yD) from (xS,yS).
void	djgFlip (djVisual *pVisDest, djVisual *pVisSrc)
	flip one visual to another.

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Detailed Description

Graphics functionality.

Author:

David Joffe

Copyright (C) 1998-2001 David Joffe

License: GNU GPL Version 2 (*not* "later versions")

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