gcontext.c

来自「嵌入式图形处理系统,emgui嵌入式图形处理系统,」· C语言 代码 · 共 63 行

/*
 *  Graphics Context
 *
 *
 *  COPYRIGHT (c) 2001 - 2010.
 *  emTech System Corporation.
 *
 *  The license and distribution terms for this file may be
 *  found in found in the file LICENSE.
 */

/*	Huangf [e-mail]
 */
#include "emGUI.h"

/*
 * Set the drawing mode for future calls.
 */
int 
GrGCSetMode(
	GID gId, 
	int mode
)
{
	int	oldmode;
	
	oldmode 	= gId->mode;
	gId->mode 	= mode;
	return oldmode;
}

/*
 * Set the foreground color for drawing.
 */
int
GrGCSetForeColor(
	GID	gId,
	int fcolor
)
{
	int old;
	
	old 		= gId->fcolor;
	gId->fcolor = fcolor;
	return old;
}

/*
 * Set the background color for bitmap and text backgrounds.
 */
int
GrGCSetBackColor(	
	GID	gId,
	int fcolor
)
{
	int old;
	
	old 		= gId->bkcolor;
	gId->bkcolor = fcolor;
	return old;
}