lib/vGfx.c File Reference

#include "common.h"
#include "vGfx.h"

Include dependency graph for vGfx.c:

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Functions
void	vgClose (struct vGfx **pVg)
vGfx *	vgHalfInit (int width, int height)
int	vgFindRgb (struct vGfx *vg, struct rgbColor *rgb)
Color	vgContrastingColor (struct vGfx *vg, int backgroundIx)
Variables
static char const	rcsid [] = "$Id: vGfx.c,v 1.6 2006/06/23 23:45:02 kent Exp $"

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Function Documentation

void vgClose

(

struct vGfx **

pVg

)

Definition at line 13 of file vGfx.c.

References vGfx::close, vGfx::data, and freez().

{
struct vGfx *vg = *pVg;
if (vg != NULL)
    {
    vg->close(&vg->data);
    freez(pVg);
    }
}

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Color vgContrastingColor	(	struct vGfx *	vg,
		int	backgroundIx
	)

Definition at line 40 of file vGfx.c.

References rgbColor::b, rgbColor::g, MG_BLACK, MG_WHITE, rgbColor::r, and vgColorIxToRgb.

{
struct rgbColor c = vgColorIxToRgb(vg, backgroundIx);
int val = (int)c.r + c.g + c.g + c.b;
if (val > 512)
    return MG_BLACK;
else
    return MG_WHITE;
}

int vgFindRgb	(	struct vGfx *	vg,
		struct rgbColor *	rgb
	)

Definition at line 34 of file vGfx.c.

References rgbColor::b, rgbColor::g, rgbColor::r, and vgFindColorIx.

{
return vgFindColorIx(vg, rgb->r, rgb->g, rgb->b);
}

struct vGfx* vgHalfInit	(	int	width,
		int	height
	)			[read]

Definition at line 24 of file vGfx.c.

References AllocVar, vGfx::height, and vGfx::width.

Referenced by vgOpenGif(), and vgOpenPostScript().

{
struct vGfx *vg;
AllocVar(vg);
vg->width = width;
vg->height = height;
return vg;
}

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Variable Documentation

char const rcsid[] = "$Id: vGfx.c,v 1.6 2006/06/23 23:45:02 kent Exp $" [static]

Definition at line 8 of file vGfx.c.

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