dxx-rebirth/common/2d/gpixel.cpp

/*
THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
SOFTWARE CORPORATION ("PARALLAX").  PARALLAX, IN DISTRIBUTING THE CODE TO
END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
IN USING, DISPLAYING,  AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
FREE PURPOSES.  IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES.  THE END-USER UNDERSTANDS
AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION.  ALL RIGHTS RESERVED.
*/

#include "u_mem.h"
#include "gr.h"
#include "grdef.h"
#ifdef OGL
#include "ogl_init.h"
#endif

unsigned char gr_ugpixel( grs_bitmap * bitmap, int x, int y )
{
	switch (bitmap->bm_type)
	{
		case BM_LINEAR:
			return bitmap->bm_data[ bitmap->bm_rowsize*y + x ];
		
#ifdef OGL
		case BM_OGL:
			return ogl_ugpixel(bitmap, x, y);
#endif
	}
	
	return 0;
}

unsigned char gr_gpixel( grs_bitmap * bitmap, int x, int y )
{
	if ((x<0) || (y<0) || (x>=bitmap->bm_w) || (y>=bitmap->bm_h)) return 0;
	return gr_ugpixel(bitmap, x, y);
}