/***********************************************************************************************************                                                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        : GUIDEMO_Polygon.cPurpose     : Several GUIDEMO routines----------------------------------------------------------------------*/#include "GUI.H"#include "GUIDEMO.H"#define countof(Obj) (sizeof(Obj)/sizeof(Obj[0]))/***********************************************************************       Static data************************************************************************/static const GUI_POINT _aArrow[] = {  {  0, - 5 },  {-40, -35 },  {-10, -25 },  {-10, -85 },  { 10, -85 },  { 10, -25 },  { 40, -35 }};static const GUI_POINT _aTriangle[] = {	{  0,   0 },   {-30, -30 },  { 30, -30 },};static GUI_POINT _aiCursor[] = {  {  0,  0 },   { 50, 100 },   {  0, 90 },   {-50, 100 },};/***********************************************************************       Typedefs************************************************************************/typedef struct {  float Angle;  int DoClear;} tDrawContext;/***********************************************************************       GUIDEMO_DemoPolygon************************************************************************/void GUIDEMO_DemoPolygon(void) {  int XMid = LCD_GetXSize() / 2;  int YMid = LCD_GetYSize() / 2;  GUIDEMO_ShowIntro("Arbitrary Polygons",                     "Standard and antialiased");  GUI_SetColor(GUI_WHITE);  GUI_SetFont(&GUI_FontComic18B_1);  #if GUIDEMO_LARGE    GUI_DispStringAt("Arbitrary\nPolygons", 0, 0);  #endif  GUI_FillPolygon(&_aArrow[0], 7, XMid - 50, YMid + 40);  GUI_FillPolygon(&_aArrow[0], 7, XMid + 50, YMid + 40);  GUI_SetColor(GUI_GREEN);  GUI_FillPolygon(&_aTriangle[0], 3, XMid, YMid + 60);  GUI_SetColor(GUI_WHITE);  GUI_AA_EnableHiRes();  GUI_FillPolygonAA(&_aiCursor[0], 4, XMid * 3, (YMid - 40) * 3);  GUIDEMO_Wait();}