guidemo_circle.c

来自「uCGUI」· C语言 代码 · 共 47 行

/*************************************************************************************************************
                                                   uC/GUI
                                               嵌入式通用图形软件
File        : GUIDEMO_Circle.c
Purpose     : Drawing circles
*************************************************************************************************************/
#include "WM.H"
#include "GUIDEMO.H"

/*************************************************************************************************************
*       GUIDEMO_Circle
*************************************************************************************************************/
void GUIDEMO_Circle(void) 
{
  int XSize = LCD_GetXSize();
  int YSize = LCD_GetYSize();
  GUIDEMO_ShowIntro("Circles", "Arbitrary circles and arcs.");
  GUI_Clear();
  GUI_SetFont(&GUI_Font8x16);
  GUI_SetColor(GUI_WHITE);
  
  #if GUIDEMO_LARGE
    GUI_DispStringAt("Circle", 0, 0);
  #endif
  
  GUI_FillCircle (XSize / 2, YSize / 2, 50);
  GUIDEMO_Wait();
  GUI_SetDrawMode(GUI_DM_XOR);
  GUI_FillCircle (XSize / 2, YSize / 2, 60);
  GUI_SetDrawMode(0);
  GUIDEMO_Wait();
  
  #if GUIDEMO_LARGE
    GUIDEMO_ShowInfo("Circles with\nAntialiasing");
  #endif
  
  GUI_Clear();
  GUI_SetColor(GUI_WHITE);
  
  #if GUIDEMO_LARGE
    GUI_DispStringAt("Antialiased\ncircle", 0, 0);
  #endif
  
  GUI_AA_FillCircle(XSize / 2, YSize / 2, 47);
  GUIDEMO_Wait();
}