2DGL_DrawPolygon.c

00001 /*********************************************************************
00002 *                SEGGER Microcontroller GmbH                         *
00003 *        Solutions for real time microcontroller applications        *
00004 **********************************************************************
00005 *                                                                    *
00006 *        (c) 1996 - 2018  SEGGER Microcontroller GmbH                *
00007 *                                                                    *
00008 *        Internet: www.segger.com    Support:  support@segger.com    *
00009 *                                                                    *
00010 **********************************************************************
00011 
00012 ** emWin V5.48 - Graphical user interface for embedded applications **
00013 All  Intellectual Property rights  in the Software belongs to  SEGGER.
00014 emWin is protected by  international copyright laws.  Knowledge of the
00015 source code may not be used to write a similar product.  This file may
00016 only be used in accordance with the following terms:
00017 
00018 The software  has been licensed to  Cypress Semiconductor Corporation,
00019 whose registered  office is situated  at 198 Champion Ct. San Jose, CA 
00020 95134 USA  solely for the  purposes of creating  libraries for Cypress
00021 PSoC3 and  PSoC5 processor-based devices,  sublicensed and distributed
00022 under  the  terms  and  conditions  of  the  Cypress  End User License
00023 Agreement.
00024 Full source code is available at: www.segger.com
00025 
00026 We appreciate your understanding and fairness.
00027 ----------------------------------------------------------------------
00028 Licensing information
00029 Licensor:                 SEGGER Microcontroller Systems LLC
00030 Licensed to:              Cypress Semiconductor Corp, 198 Champion Ct., San Jose, CA 95134, USA
00031 Licensed SEGGER software: emWin
00032 License number:           GUI-00319
00033 License model:            Services and License Agreement, signed June 10th, 2009
00034 Licensed platform:        Any Cypress platform (Initial targets are: PSoC3, PSoC5)
00035 ----------------------------------------------------------------------
00036 Support and Update Agreement (SUA)
00037 SUA period:               2009-06-12 - 2022-07-27
00038 Contact to extend SUA:    sales@segger.com
00039 ----------------------------------------------------------------------
00040 File        : 2DGL_DrawPolygon.c
00041 Purpose     : Example for drawing polygons
00042 Requirements: WindowManager - ( )
00043               MemoryDevices - ( )
00044               AntiAliasing  - ( )
00045               VNC-Server    - ( )
00046               PNG-Library   - ( )
00047               TrueTypeFonts - ( )
00048 ----------------------------------------------------------------------
00049 */
00050 
00051 #include "GUI.h"
00052 
00053 /*********************************************************************
00054 *
00055 *       Defines
00056 *
00057 **********************************************************************
00058 */
00059 //
00060 // Recommended memory to run the sample with adequate performance
00061 //
00062 #define RECOMMENDED_MEMORY (1024L * 5)
00063 
00064 /*******************************************************************
00065 *
00066 *       Static variables
00067 *
00068 ********************************************************************
00069 */
00070 static const GUI_POINT _aPointArrow[] = {
00071   {  0,   0 },
00072   {-40, -30 },
00073   {-10, -20 },
00074   {-10, -70 },
00075   { 10, -70 },
00076   { 10, -20 },
00077   { 40, -30 },
00078 };
00079 
00080 static const GUI_POINT _aPointStar[] = {
00081   {  0, -36 },
00082   {  8,  -8 },
00083   { 36,   0 },
00084   {  8,   8 },
00085   {  0,  36 },
00086   { -8,   8 },
00087   {-36,   0 },
00088   { -8,  -8 }
00089 };
00090 
00091 static const GUI_POINT _aPointHexagon[] = {
00092   {  0, -30 },
00093   { 26, -15 },
00094   { 26,  15 },
00095   {  0,  30 },
00096   {-26,  15 },
00097   {-26, -15 },
00098 };
00099 
00100 /*******************************************************************
00101 *
00102 *       Static code
00103 *
00104 ********************************************************************
00105 */
00106 /*******************************************************************
00107 *
00108 *       _DrawPolygons
00109 *
00110 * Function description
00111 *   Draws polygons of different shapes and colors
00112 */
00113 static void _DrawPolygons(void) {
00114   int y;
00115 
00116   y = 90;
00117   //
00118   // clear display
00119   //
00120   GUI_SetBkColor(GUI_BLACK);
00121   GUI_Clear();
00122   //
00123   // display text
00124   //
00125   GUI_SetColor(GUI_WHITE);
00126   GUI_SetFont(&GUI_Font24_ASCII);
00127   GUI_SetTextAlign(GUI_TA_HCENTER);
00128   GUI_DispStringAt("DrawPolygon - Sample", 160, 5);
00129   GUI_SetFont(&GUI_Font8x16);
00130   GUI_DispStringAt("using", 5, 40);
00131   GUI_DispStringAt("GUI_FillPolygon", 5, 55);
00132   GUI_SetTextAlign(GUI_TA_HCENTER);
00133   GUI_DispStringAt("Polygons of arbitrary shape\nin any color", 160, y + 90);
00134   GUI_Delay(500);
00135   //
00136   // draw filled polygons
00137   //
00138   while (1) {
00139     GUI_ClearRect(100, y, 220, y + 85);
00140     GUI_SetColor(GUI_BLUE);
00141     GUI_FillPolygon (&_aPointArrow[0], 7, 160, y + 80);
00142     GUI_Delay(1000);
00143     GUI_ClearRect(100, y, 220, y + 85);
00144     GUI_SetColor(GUI_RED);
00145     GUI_FillPolygon (&_aPointStar[0], 8, 160, y + 45);
00146     GUI_Delay(1000);
00147     GUI_ClearRect(100, y, 220, y + 85);
00148     GUI_SetColor(GUI_GREEN);
00149     GUI_FillPolygon(&_aPointHexagon[0], 6, 160, y + 45);
00150     GUI_Delay(1000);
00151   }
00152 }
00153 
00154 /*********************************************************************
00155 *
00156 *       Public code
00157 *
00158 **********************************************************************
00159 */
00160 /*********************************************************************
00161 *
00162 *       MainTask
00163 */
00164 void MainTask(void) {
00165   GUI_Init();
00166   //
00167   // Check if recommended memory for the sample is available
00168   //
00169   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00170     GUI_ErrorOut("Not enough memory available."); 
00171     return;
00172   }
00173   _DrawPolygons();
00174   while (1);
00175 }
00176 
00177 /*************************** End of file ****************************/
00178