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Update WindmillView.cpp

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xixu-me committed 2024-09-13 02:50:14 +08:00
1 parent 0b2c621671
commit aebde43572
1 file changed
+2 -2
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Windmill/Windmill/WindmillView.cpp
+2 -2
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@@ -159,13 +159,13 @@ void CWindmillView::OnDraw(CDC *pDC) {
memDC.SelectObject(pOldPen); memDC.SelectObject(pOldPen);
NewPen.DeleteObject(); NewPen.DeleteObject();
// 设置屏幕设备上下文的映射模式和视口 // 设置显示设备上下文的映射模式和视口
pDC->SetMapMode(MM_ANISOTROPIC); pDC->SetMapMode(MM_ANISOTROPIC);
pDC->SetWindowExt(rect.Width(), rect.Height()); pDC->SetWindowExt(rect.Width(), rect.Height());
pDC->SetViewportExt(rect.Width(), -rect.Height()); pDC->SetViewportExt(rect.Width(), -rect.Height());
pDC->SetViewportOrg(rect.Width() / 2, rect.Height() / 2); pDC->SetViewportOrg(rect.Width() / 2, rect.Height() / 2);
// 将内存设备上下文中的内容复制到屏幕设备上下文中 // 将内存设备上下文中的内容复制到显示设备上下文中
pDC->BitBlt(-rect.Width() / 2, -rect.Height() / 2, rect.Width(), rect.Height(), &memDC, -rect.Width() / 2, -rect.Height() / 2, SRCCOPY); pDC->BitBlt(-rect.Width() / 2, -rect.Height() / 2, rect.Width(), rect.Height(), &memDC, -rect.Width() / 2, -rect.Height() / 2, SRCCOPY);
// 清理资源 // 清理资源