2dgl_drawpolygon.c

来自「基于uC的GUI_ADS1.2程序包」· C语言 代码 · 共 43 行

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/GUI 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 redistributed
*              in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File        : 2DGL_DrawPolygon.c
Purpose     : Example for drawing a polygon
----------------------------------------------------------------------
*/

#include "gui.h"

/*******************************************************************
*
*******************************************************************/
#define countof(Array) (sizeof(Array) / sizeof(Array[0]))
const GUI_POINT aPoints[] = {
{ 0, 20},
{ 40, 20},
{ 20, 0}
};
GUI_POINT aEnlargedPoints[countof(aPoints)];
void DrawPolygon(void) {
    int i;
    GUI_Clear();
    GUI_SetDrawMode(GUI_DM_XOR);
    GUI_FillPolygon(aPoints, countof(aPoints), 140, 110);
    for (i = 1; i < 10; i++) {
        GUI_EnlargePolygon(aEnlargedPoints, aPoints, countof(aPoints), i * 5);
        GUI_FillPolygon(aEnlargedPoints, countof(aPoints), 140, 110);
    }
}