AA_Lines.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        : AA_Lines.c
00041 Purpose     : Shows lines with different antialiasing qualities
00042 Requirements: WindowManager - ( )
00043               MemoryDevices - ( )
00044               AntiAliasing  - (x)
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 code
00067 *
00068 ********************************************************************
00069 */
00070 /*******************************************************************
00071 *
00072 *       _DemoAntialiasing
00073 *
00074 * Function description
00075 *   Draws lines with different antialiasing factors
00076 */
00077 static void _DemoAntialiasing(void) {
00078   const GUI_FONT * font_old;
00079   int              i;
00080   int              x1;
00081   int              x2;
00082   int              y1;
00083   int              y2;
00084 
00085   y1 = 65;
00086   y2 = 5;
00087   //
00088   // Set drawing attributes 
00089   //
00090   GUI_SetColor(GUI_WHITE);
00091   GUI_SetBkColor(GUI_BLACK);
00092   GUI_SetPenShape(GUI_PS_FLAT);
00093   GUI_Clear();
00094   //
00095   // Draw headline
00096   //
00097   font_old = GUI_SetFont(&GUI_Font24_ASCII);
00098   GUI_SetTextAlign(GUI_TA_HCENTER);
00099   GUI_DispStringAt("AA_Lines - Sample", 160, 5);
00100   //
00101   // Draw lines without antialiased
00102   //
00103   GUI_Delay(1000);
00104   GUI_SetFont(&GUI_Font8x16);
00105   GUI_SetTextAlign(GUI_TA_LEFT);
00106   GUI_DispStringAtCEOL("draw normal lines using", 5, 40);
00107   GUI_DispStringAtCEOL("GUI_DrawLine", 5, 55);
00108   GUI_Delay(2500);
00109   x1 = 20;
00110   x2 = 100;
00111   GUI_SetFont(font_old);
00112   GUI_DispStringHCenterAt("Normal", (x1 + x2) / 2, 30 + y1);
00113   for (i = 1; i < 8; i++) {
00114     GUI_SetPenSize(i);
00115     GUI_DrawLine(x1, 40 + i * 15 + y1, x2, 40 + i * 15 + y1 + y2);
00116   }
00117   //
00118   // Draw lines with antialiasing quality factor 2
00119   //
00120   GUI_Delay(3000);
00121   GUI_SetFont(&GUI_Font8x16);
00122   GUI_DispStringAtCEOL("", 5, 40);
00123   GUI_DispStringAtCEOL("", 5, 55);
00124   GUI_Delay(200);
00125   GUI_DispStringAtCEOL("draw antialiased lines using", 5, 40);
00126   GUI_DispStringAtCEOL("GUI_AA_DrawLine", 5, 55);
00127   GUI_Delay(3500);
00128   x1 = 120;
00129   x2 = 200;
00130   GUI_AA_SetFactor(2);
00131   GUI_SetFont(font_old);
00132   GUI_DispStringHCenterAt("Antialiased\nusing factor 2", (x1 + x2) / 2, 30 + y1);
00133   for (i = 1; i < 8; i++) {
00134     GUI_SetPenSize(i);
00135     GUI_AA_DrawLine(x1, 40 + i * 15 + y1, x2, 40 + i * 15 + y1 + y2);
00136   }
00137   //
00138   // Draw lines with antialiasing quality factor 6
00139   //
00140   GUI_Delay(1500);
00141   x1 = 220;
00142   x2 = 300;
00143   GUI_AA_SetFactor(6);
00144   GUI_SetFont(font_old);
00145   GUI_DispStringHCenterAt("Antialiased\nusing factor 6", (x1 + x2) / 2, 30 + y1);
00146   for (i = 1; i < 8; i++) {
00147     GUI_SetPenSize(i);
00148     GUI_AA_DrawLine(x1, 40 + i * 15 + y1, x2, 40 + i * 15 + y1 + y2);
00149   }
00150   GUI_Delay(7500);
00151 }
00152 
00153 /*********************************************************************
00154 *
00155 *       Public code
00156 *
00157 **********************************************************************
00158 */
00159 /*********************************************************************
00160 *
00161 *       MainTask
00162 */
00163 void MainTask(void) {
00164   GUI_Init();
00165   //
00166   // Check if recommended memory for the sample is available
00167   //
00168   if (GUI_ALLOC_GetNumFreeBytes() < RECOMMENDED_MEMORY) {
00169     GUI_ErrorOut("Not enough memory available."); 
00170     return;
00171   }
00172   while (1) {
00173     _DemoAntialiasing();
00174   }
00175 }
00176 
00177 /*************************** End of file ****************************/
00178