graphic.h

ep7312 蜂鸣器源码

/*
 * $Id: graphic.h,v 1.2 2003/08/29 03:13:18 casic Exp $
 *
 * graphic.h : draw graphics on LCD
 *
 * Copyright (C) 2003 ynding ( [e-mail] )
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef _GRAPHIC_H
#define _GRAPHIC_H

/* 
 * draw a dot in the LCD
 * x,y : coordinate of the pixel to be lightened
 * color : the color of the dot
 */
void draw_dot(int x, int y, COLOR color);

/* draw a vertical line */
void draw_vline(int x, int y1, int y2, COLOR color);

/* draw a horizontal line */
void draw_hline(int x1, int x2, int y, COLOR color);

/* draw a big dot -- 5x5 pixels */
void draw_bigdot(int x, int y, COLOR color);

/*
 * (start_x,start_y) : coordinate of the top-left-corner of the rectangle 
 * (end_x,end_y) : coordinate of the bottom-right-corner of the rectangle
 */
void draw_rectangle(int start_x, int start_y, int end_x, int end_y, COLOR color);

/*
 * (start_x,start_y) : coordinate of the top-left-corner of the rectangle 
 * (end_x,end_y) : coordinate of the bottom-right-corner of the rectangle
 * this rectangle is filled with pixels which color is the same as the frame
 */
void draw_fill_rectangle(int start_x, int start_y, int end_x, int end_y, COLOR color);

/* (x,y) -- coordinate of the center of the circle */
void draw_circle(int x, int y, int r, COLOR color);

/* printf 4 colors' scales, and 7 characteristic colors */
void display_color_scales(void);

/* draw 4 circles */
void display_circles(void);

#endif /* _GRAPHIC_H */