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发表于 2024-11-28 09:51:54
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可以用这个程序。
/*****************************************************************************
* @name :void _draw_circle_8(int xc, int yc, int x, int y, u16 c)
* @date :2018-08-09
* @function :8 symmetry circle drawing algorithm (internal call)
* @parameters :xc:the x coordinate of the Circular center
yc:the y coordinate of the Circular center
x:the x coordinate relative to the Circular center
y:the y coordinate relative to the Circular center
c:the color value of the circle
* @retvalue :None
******************************************************************************/
void _draw_circle_8(int xc, int yc, int x, int y, u16 c)
{
GUI_DrawPoint(xc + x, yc + y, c);
GUI_DrawPoint(xc - x, yc + y, c);
GUI_DrawPoint(xc + x, yc - y, c);
GUI_DrawPoint(xc - x, yc - y, c);
GUI_DrawPoint(xc + y, yc + x, c);
GUI_DrawPoint(xc - y, yc + x, c);
GUI_DrawPoint(xc + y, yc - x, c);
GUI_DrawPoint(xc - y, yc - x, c);
}
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发表于 2024-11-28 11:24:38
