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            C++畫正弦線實例代碼

            時間:2025-12-26 13:50:40 C語言

            C++畫正弦線實例代碼

              大家還在找C++畫正弦線實例代碼嗎?下面小編為大家整理了C++畫正弦線實例代碼,希望能幫到大家!

              主要功能代碼如下:

              復制代碼 代碼如下:case WM_PAINT:

              hdc = BeginPaint(hWnd, &ps);

              /pic/p>

              /pic/p>

              #define PI 3.1415926

              #define SEGMENT 500

              int cxClient,cyClient;

              RECT rect;

              ::GetClientRect(hWnd, &rect);

              cxClient = rect.right - rect.left;

              cyClient = rect.bottom - rect.top;

              POINT pt[SEGMENT];

              for (int i=0;i<SEGMENT;i++)

              {

              pt[i].x = i * cxClient/SEGMENT; /pic/p>

              pt[i].y = (int)((cyClient/2)*(1 - sin(2 * PI * i/SEGMENT))); /pic/2是將坐標原點移到左上角

              }

              ::Polyline(hdc, pt, SEGMENT); /pic/p>

              EndPaint(hWnd, &ps);

              break;

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