140 lines
3.7 KiB
C++
140 lines
3.7 KiB
C++
// TotalView.cpp : 实现文件
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//
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#include <math.h>
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#include "pch.h"
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#include "MCA.h"
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#include "MCADoc.h"
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#include "TotalView.h"
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#include "ControlView.h"
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// CTotalView
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IMPLEMENT_DYNCREATE(CTotalView, CView)
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CTotalView::CTotalView() {
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}
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CTotalView::~CTotalView() {
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}
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BEGIN_MESSAGE_MAP(CTotalView, CView)
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ON_WM_PAINT()
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ON_WM_ERASEBKGND()
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ON_WM_LBUTTONDOWN()
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ON_WM_RBUTTONDOWN()
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END_MESSAGE_MAP()
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// CTotalView 绘图
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void CTotalView::OnDraw(CDC* pDc) {
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if (pDoc == NULL) pDoc = (CMCADoc*)GetDocument();
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if (pView == NULL) pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
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// 背景颜色、笔颜色等设置
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CDC MemDC;
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MemDC.CreateCompatibleDC(pDc);
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CRect rect;
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CBitmap Bitmap, * OldBitmap;
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CPen linePen(PS_SOLID, 3, RGB(0, 0, 0));
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CPen cursor1Pen(PS_SOLID, 5, RGB(255, 0, 0));
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CPen cursor2Pen(PS_SOLID, 5, RGB(0, 255, 0));
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MemDC.SelectObject(&linePen);
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GetClientRect(&rect);
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Bitmap.CreateCompatibleBitmap(pDc, rect.Width(), rect.Height());
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OldBitmap = MemDC.SelectObject(&Bitmap);
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MemDC.FillSolidRect(0, 0, rect.Width(), rect.Height(), RGB(36, 217, 163));
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// 绘图
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if (pView->m_sAxisMode == "Linear") {
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MemDC.MoveTo(1, rect.Height() - pDoc->m_nChannelSmooth[0] * rect.Height() / pView->m_nLC);
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for (int i = 0; i < 1024; i++)
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MemDC.LineTo(2 * i + 1, rect.Height() - pDoc->m_nChannelSmooth[i] * rect.Height() / pView->m_nLC);
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}
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else {
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MemDC.MoveTo(1, rect.Height() - log10(max(pDoc->m_nChannelSmooth[0], 1)) * rect.Height() / log10(pView->m_nLC));
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for (int i = 0; i < 1024; i++)
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MemDC.LineTo(2 * i + 1, rect.Height() - log10(max(pDoc->m_nChannelSmooth[i], 1)) * rect.Height() / log10(pView->m_nLC));
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}
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// 绘制光标竖线
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linePen.DeleteObject();
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MemDC.SelectObject(&cursor1Pen);
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MemDC.MoveTo(2 * pView->m_nCursor1 + 1, 0);
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MemDC.LineTo(2 * pView->m_nCursor1 + 1, rect.Height());
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cursor1Pen.DeleteObject();
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CPen* oldpen = MemDC.SelectObject(&cursor2Pen);
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MemDC.MoveTo(2 * pView->m_nCursor2 + 1, 0);
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MemDC.LineTo(2 * pView->m_nCursor2 + 1, rect.Height());
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//释放资源
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MemDC.SelectObject(oldpen);
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cursor2Pen.DeleteObject();
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pDc->BitBlt(0, 0, rect.Width(), rect.Height(), &MemDC, 0, 0, SRCCOPY);
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MemDC.SelectObject(OldBitmap);
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Bitmap.DeleteObject();
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MemDC.DeleteDC();
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}
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// CTotalView 诊断
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#ifdef _DEBUG
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void CTotalView::AssertValid() const {
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CView::AssertValid();
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}
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#ifndef _WIN32_WCE
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void CTotalView::Dump(CDumpContext& dc) const {
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CView::Dump(dc);
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}
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#endif
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#endif //_DEBUG
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// CTotalView 消息处理程序
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void CTotalView::OnPaint() {
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CPaintDC dc(this); // device context for painting
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OnPrepareDC(&dc);
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OnDraw(&dc);
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}
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BOOL CTotalView::OnEraseBkgnd(CDC* pDC) {
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return TRUE;
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}
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void CTotalView::OnLButtonDown(UINT nFlags, CPoint point) {
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if (pDoc == NULL) pDoc = (CMCADoc*)GetDocument();
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if (pView == NULL) pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
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int nX = (point.x - 1) / 2;
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if (nX < pView->m_nCursor2) {
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pView->m_nCursor1 = nX;
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pView->m_nCursor1Count = pDoc->m_nChannelCount[nX];
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pView->m_nWidth = pView->m_nCursor2 - pView->m_nCursor1 + 1;
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pView->m_nCursorROI = max(pView->m_nCursor1, pView->m_nCursorROI);
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}
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pView->UpdateData(FALSE);
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pDoc->UpdateAllViews(NULL);
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CView::OnLButtonDown(nFlags, point);
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}
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void CTotalView::OnRButtonDown(UINT nFlags, CPoint point) {
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if (pDoc == NULL) pDoc = (CMCADoc*)GetDocument();
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if (pView == NULL) pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
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int nX = (point.x - 1) / 2;
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if (nX > pView->m_nCursor1) {
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pView->m_nCursor2 = nX;
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pView->m_nCursor2Count = pDoc->m_nChannelCount[nX];
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pView->m_nWidth = pView->m_nCursor2 - pView->m_nCursor1 + 1;
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pView->m_nCursorROI = min(pView->m_nCursor2, pView->m_nCursorROI);
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}
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pView->UpdateData(FALSE);
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pDoc->UpdateAllViews(NULL);
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CView::OnRButtonDown(nFlags, point);
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}
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