gui_setpixelindex.c

uc-gui.rar

/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 2002         SEGGER Microcontroller Systeme GmbH        *
*                                                                    *
*        Internet: www.segger.com    Support:  [e-mail]    *
*                                                                    *
**********************************************************************

**** emWin/GSC Grafical user interface for embedded applications ****
emWin is protected by international copyright laws. Knowledge of the
source code may not be used to write a similar product. This file may
only be used in accordance with a license and should not be re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : LCD_SetPixelIndex.c
Purpose     : Implementation of optional routines
---------------------------END-OF-HEADER------------------------------
*/


#include <stdio.h>
#include "GUI_Private.H"
#include "LCD_Private.h"


/*
        *********************************************************
        *                                                       *
        *       Macros for internal use                         *
        *                                                       *
        *********************************************************
*/

#define RETURN_IF_Y_OUT() \
  if (y < GUI_Context.ClipRect.y0) return;             \
  if (y > GUI_Context.ClipRect.y1) return;

#define RETURN_IF_X_OUT() \
  if (x < GUI_Context.ClipRect.x0) return;             \
  if (x > GUI_Context.ClipRect.x1) return;

/*
        *********************************************************
        *                                                       *
        *       LCD_SetPixel                                    *
        *                                                       *
        *********************************************************

Purpose:  This routine is called by emWin. It writes 1 pixel into the
          display.

*/

void LCD_SetPixelIndex(int x, int y, int ColorIndex) {
  RETURN_IF_X_OUT();
  RETURN_IF_Y_OUT();
  LCDDEV_L0_SetPixelIndex(x, y, ColorIndex);
}