strk7.c

nucleus 文件系统,内核和彩色图形系统,在小系统上非常好用

/*************************************************************************/
/*                                                                       */
/*         Copyright (c) 1997 - 1999 Accelerated Technology, Inc.        */
/*                                                                       */
/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
/* subject matter of this material.  All manufacturing, reproduction,    */
/* use, and sales rights pertaining to this subject matter are governed  */
/* by the license agreement.  The recipient of this software implicitly  */
/* accepts the terms of the license.                                     */
/*                                                                       */
/*************************************************************************/

/*************************************************************************/
/*                                                                       */
/* FILE NAME                                            VERSION          */
/*                                                                       */
/*      STRK7.c                                          1.9             */
/*                                                                       */
/* COMPONENT                                                             */
/*                                                                       */
/*      All                                                              */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This file contains the MarkerSize function.                      */
/*                                                                       */
/* AUTHOR                                                                */
/*                                                                       */
/*      Giac Dinh, Accelerated Technology, Inc.                          */
/*                                                                       */
/* DATA STRUCTURES                                                       */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* FUNCTIONS                                                             */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* DEPENDENCIES                                                          */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*         NAME            DATE                    REMARKS               */
/*                                                                       */
/*                                                                       */
/*************************************************************************/

#include "meta_wnd.h"
#include "metconst.h"    /* MetaWINDOW Constant & Stucture Definitions */
#include "metports.h"    /* MetaWINDOW Port & Bitmap Definitions */
#include "grafdata.h"
#include "metmacs3.h"
 

/* Function MARKERSIZE sets the port's current marker size (thePort.mkSize) to
   to the specified WIDTHX,HEIGHTY value.  */

void MarkerSize ( short WidthX, short HeightY )
{
	short ErrValue;
	
	if(grafPort.portFlags == pfVirtual)
	{
		V2GSIZE(WidthX,HeightY,&WidthX,&HeightY);
	}

	if(WidthX < 1 ) 
	{
		ErrValue = c_MarkerSi + c_BadSize ;
		nuGrafErr(ErrValue);
		WidthX = 1;
	}
	if(HeightY < 1 ) 
	{
		ErrValue = c_MarkerSi + c_BadSize ;
		nuGrafErr(ErrValue);
		HeightY = 1;
	}
	
	grafPort.mkSize.X = WidthX;
	grafPort.mkSize.Y = HeightY;

	thePort->mkSize.X   = WidthX;
	thePort->mkSize.Y   = HeightY;
}