lib/vGif.c File Reference

#include "common.h"
#include "memgfx.h"
#include "vGfx.h"
#include "vGfxPrivate.h"

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Data Structures
struct	memGif
Functions
void	memGifClose (struct memGif **pG)
vGfx *	vgOpenGif (int width, int height, char *fileName)
Variables
static char const	rcsid [] = "$Id: vGif.c,v 1.4 2003/05/06 07:33:44 kate Exp $"

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Function Documentation

void memGifClose

(

struct memGif **

pG

)

Definition at line 19 of file vGif.c.

References memGif::fileName, freez(), mgFree(), and mgSaveGif().

Referenced by vgOpenGif().

{
struct memGif *g = *pG;
if (g != NULL)
    {
    struct memGfx *mg = (struct memGfx *)g;
    mgSaveGif(mg, g->fileName);
    freez(&g->fileName);
    mgFree(&mg);
    *pG = NULL;
    }
}

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struct vGfx* vgOpenGif	(	int	width,
		int	height,
		char *	fileName
	)			[read]

Definition at line 33 of file vGif.c.

References AllocVar, cloneString(), vGfx::close, vGfx::data, freez(), gif, memGifClose(), mgClearPixels(), mgNew(), vgHalfInit(), and vgMgMethods().

{
struct memGif *gif;
struct memGfx *mg;
struct vGfx *vg;

/* Set up virtual graphics with memory methods. */
vg = vgHalfInit(width, height);
vgMgMethods(vg);
vg->close = (vg_close)memGifClose;

/* Get our mg + fileName structure.  We're forcing
 * inheritence from mg essentially. */
AllocVar(gif);
gif->fileName = cloneString(fileName);

/* Fill in the mg part of this structure with normal memGfx. */
mg = mgNew(width, height);
mgClearPixels(mg);
gif->mg = *mg;
freez(&mg);     /* We don't need this copy any more. */

vg->data = gif;
return vg;
}

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Variable Documentation

char const rcsid[] = "$Id: vGif.c,v 1.4 2003/05/06 07:33:44 kate Exp $" [static]

Definition at line 10 of file vGif.c.

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