HiRes AA (Sample)
GUI_HiResAA.c | |
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File(s) required |
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Runs in simulation | Yes |
Runs on target | Yes |
Download | GUI_HiResAA.c |
This sample demonstrates how anti-aliased shapes can be drawn with sub-pixel coordinates.
Code
/*********************************************************************
* SEGGER Microcontroller GmbH *
* Solutions for real time microcontroller applications *
**********************************************************************
* *
* (c) 1996 - 2022 SEGGER Microcontroller GmbH *
* *
* Internet: www.segger.com Support: support@segger.com *
* *
**********************************************************************
** emWin V6.24 - Graphical user interface for embedded applications **
emWin 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 re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File : GUI_HiResAA.c
Purpose : Sample that demonstrates how to draw sub-pixelwise with
high-resolution anti-aliasing.
Requirements: WindowManager - ( )
MemoryDevices - ( )
AntiAliasing - (x)
VNC-Server - ( )
PNG-Library - ( )
TrueTypeFonts - ( )
Wiki link : https://wiki.segger.com/HiRes_AA_(Sample)
---------------------------END-OF-HEADER------------------------------
*/
#include "DIALOG.h"
/*********************************************************************
*
* Defines
*
**********************************************************************
*/
#define AA_FACTOR 4
/*********************************************************************
*
* Static data
*
**********************************************************************
*/
/*********************************************************************
*
* Static code
*
**********************************************************************
*/
/*********************************************************************
*
* Public code
*
**********************************************************************
*/
/*********************************************************************
*
* MainTask
*/
void MainTask(void) {
GUI_RECT Rect;
int OldFactor;
int Radius;
GUI_Init();
GUI_SetBkColor(GUI_WHITE);
GUI_Clear();
GUI_SetColor(GUI_GRAY_C0);
//
// Enable high-resolution anti-aliasing
//
OldFactor = GUI_AA_GetFactor();
GUI_AA_SetFactor(AA_FACTOR);
GUI_AA_EnableHiRes();
//
// Set up rectangle with high-resolution coordinates.
//
Rect.x0 = (10 * AA_FACTOR);
Rect.y0 = (10 * AA_FACTOR);
Rect.x1 = (30 * AA_FACTOR);
Rect.y1 = (100 * AA_FACTOR);
Radius = (3 * AA_FACTOR);
GUI_AA_FillRoundedRectEx(&Rect, Radius);
//
// Disable HiRes anti-aliasing and restore factor
//
GUI_AA_SetFactor(OldFactor);
GUI_AA_DisableHiRes();
while (1) {
GUI_Delay(100);
}
}
/*************************** End of file ****************************/