void CBaseView::OnPanUp()
{
if (m_graph->xf.zoomPan(0, 50))
{
OnZoomed();
}
}
void CBaseView::OnPanDown()
{
if (m_graph->xf.zoomPan(0, -50))
{
OnZoomed();
}
}
void CBaseView::OnPanLeft()
{
if (m_graph->xf.zoomPan(50, 0))
{
OnZoomed();
}
}
void CBaseView::OnPanRight()
{
if (m_graph->xf.zoomPan(-50, 0))
{
OnZoomed();
}
}
void CBaseView::OnZoomExtent()
{
if (m_graph->xf.zoomTo(m_shapes->getExtent() * m_graph->xf.modelToWorld(), NULL))
{
OnZoomed();
}
}
void CBaseView::OnZoomOut()
{
if (m_graph->xf.zoomByFactor(-0.2f))
{
OnZoomed();
}
}
void CDrawShapeView::OnInitialUpdate()
{
if (!m_filename.IsEmpty()) {
m_graph->xf.setModelTransform(shapes()->modelTransform());
m_graph->xf.zoomTo(shapes()->getZoomRectW());
m_graph->xf.zoomScale(shapes()->getViewScale());
OnZoomed();
}
}
void CBaseView::OnSize(UINT nType, int cx, int cy)
{
CWnd::OnSize(nType, cx, cy);
// 设置显示窗口的大小为客户区大小(不包含滚动条)
if (nType != SIZE_MINIMIZED && cx > 1 && cy > 1)
{
m_graph->xf.setWndSize(cx, cy);
OnZoomed();
}
}
BOOL CBaseView::OnMouseWheel(UINT nFlags, short zDelta, CPoint)
{
if (nFlags & MK_LBUTTON)
return FALSE;
// (Ctrl或空格)+滚动: 放缩显示
if ((nFlags & MK_CONTROL) || GetAsyncKeyState(VK_SPACE) < 0) {
if (m_graph->xf.zoomByFactor(zDelta > 0 ? 0.2f : -0.2f))
OnZoomed();
}
else if (nFlags & MK_SHIFT) { // Shift+滚动: 左右平移, nFlags=0xFF
SendMessage(WM_KEYDOWN, zDelta > 0 ? VK_LEFT : VK_RIGHT, 0xFF0000);
}
else {
SendMessage(WM_KEYDOWN, zDelta > 0 ? VK_UP : VK_DOWN, 0xFF0000);
}
return TRUE;
}
void CBaseView::OnPanDown()
{
if (m_graph->xf.zoomPan(0, -(float)m_graph->xf.getHeight() / 4))
OnZoomed();
}
void CBaseView::OnPanRight()
{
if (m_graph->xf.zoomPan(-(float)m_graph->xf.getWidth() / 4, 0))
OnZoomed();
}
void CBaseView::OnZoomIn()
{
if (m_graph->xf.zoomByFactor(0.5f))
OnZoomed();
}
