本文整理汇总了C++中CChartAxis::ScreenToValue方法的典型用法代码示例。如果您正苦于以下问题：C++ CChartAxis::ScreenToValue方法的具体用法？C++ CChartAxis::ScreenToValue怎么用？C++ CChartAxis::ScreenToValue使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类CChartAxis的用法示例。
在下文中一共展示了CChartAxis::ScreenToValue方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: OnLButtonUp
void CChartCtrl::OnLButtonUp(UINT nFlags, CPoint point)
{
m_bLMouseDown = false;
if (m_bZoomEnabled)
{
if ( (m_rectZoomArea.left > m_rectZoomArea.right) ||
(m_rectZoomArea.top > m_rectZoomArea.bottom))
{
GetBottomAxis()->UndoZoom();
GetTopAxis()->UndoZoom();
GetLeftAxis()->UndoZoom();
GetRightAxis()->UndoZoom();
}
else
{
CChartAxis* pBottom = GetBottomAxis();
double MinVal = 0;
double MaxVal = 0;
if (pBottom->IsInverted())
{
MaxVal = pBottom->ScreenToValue(m_rectZoomArea.left);
MinVal = pBottom->ScreenToValue(m_rectZoomArea.right);
}
else
{
MinVal = pBottom->ScreenToValue(m_rectZoomArea.left);
MaxVal = pBottom->ScreenToValue(m_rectZoomArea.right);
}
pBottom->SetZoomMinMax(MinVal,MaxVal);
CChartAxis* pLeft = GetLeftAxis();
if (pLeft->IsInverted())
{
MaxVal = pLeft->ScreenToValue(m_rectZoomArea.bottom);
MinVal = pLeft->ScreenToValue(m_rectZoomArea.top);
}
else
{
MinVal = pLeft->ScreenToValue(m_rectZoomArea.bottom);
MaxVal = pLeft->ScreenToValue(m_rectZoomArea.top);
}
pLeft->SetZoomMinMax(MinVal,MaxVal);
CChartAxis* pTop = GetTopAxis();
if (pTop->IsInverted())
{
MaxVal = pTop->ScreenToValue(m_rectZoomArea.left);
MinVal = pTop->ScreenToValue(m_rectZoomArea.right);
}
else
{
MinVal = pTop->ScreenToValue(m_rectZoomArea.left);
MaxVal = pTop->ScreenToValue(m_rectZoomArea.right);
}
pTop->SetZoomMinMax(MinVal,MaxVal);
CChartAxis* pRight = GetRightAxis();
if (pRight->IsInverted())
{
MaxVal = pRight->ScreenToValue(m_rectZoomArea.bottom);
MinVal = pRight->ScreenToValue(m_rectZoomArea.top);
}
else
{
MinVal = pRight->ScreenToValue(m_rectZoomArea.bottom);
MaxVal = pRight->ScreenToValue(m_rectZoomArea.top);
}
pRight->SetZoomMinMax(MinVal,MaxVal);
}
RefreshCtrl();
}
CWnd::OnLButtonUp(nFlags, point);
}