// DetailView.cpp : 实现文件
//

#include "pch.h"

#include "MCA.h"
#include "MCADoc.h"
#include "DetailView.h"
#include "ControlView.h"


// CDetailView

IMPLEMENT_DYNCREATE(CDetailView, CView)

CDetailView::CDetailView() {
}

CDetailView::~CDetailView() {
}

BEGIN_MESSAGE_MAP(CDetailView, CView)
	ON_WM_PAINT()
	ON_WM_ERASEBKGND()
	ON_WM_LBUTTONDOWN()
	ON_WM_RBUTTONDOWN()
END_MESSAGE_MAP()


// CDetailView 绘图
void CDetailView::OnDraw(CDC* pDc) {
	// 获取区域
	int L, R;
	if (pDoc == NULL)   pDoc = (CMCADoc*)GetDocument();
	if (pView == NULL)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
	L = pView->m_nCursor1;
	R = pView->m_nCursor2;

	// 缩放
	CRect rect;
	GetClientRect(&rect);
	ZF = rect.Width() / (R - L + 1.);

	// 背景颜色、笔颜色等设置
	CDC MemDC;
	MemDC.CreateCompatibleDC(pDc);

	CBitmap Bitmap, * OldBitmap;
	CPen pen(PS_SOLID, 3, RGB(255, 255, 255));
	CPen* oldpen = MemDC.SelectObject(&pen);

	Bitmap.CreateCompatibleBitmap(pDc, rect.Width(), rect.Height());
	OldBitmap = MemDC.SelectObject(&Bitmap);
	MemDC.FillSolidRect(0, 0, rect.Width(), rect.Height(), RGB(119, 7, 243));

	// 绘图
	int nMaxCount = pDoc->GetMax(L, R) ? pDoc->GetMax(L, R) * 5 / 4 : 1;
	int nX = (pView->m_nCursorROI - pView->m_nCursor1) * ZF;
	if (pView->m_sAxisMode == "Linear") {
		MemDC.MoveTo(1, rect.Height() - pDoc->m_nChannelSmooth[L] * rect.Height() / nMaxCount);
		for (int i = L; i <= R; i++)
			MemDC.LineTo((i - L) * ZF, rect.Height() - pDoc->m_nChannelSmooth[i] * rect.Height() / nMaxCount);
	}
	else {
		MemDC.MoveTo(1, rect.Height() - log10(max(pDoc->m_nChannelSmooth[L], 1)) * rect.Height() / log10(nMaxCount));
		for (int i = L; i <= R; i++)
			MemDC.LineTo((i - L) * ZF, rect.Height() - log10(max(pDoc->m_nChannelSmooth[i], 1)) * rect.Height() / log10(nMaxCount));
	}
	// 绘制光标竖线
	pen.CreatePen(PS_SOLID, 5, RGB(0, 255, 0));
	MemDC.SelectObject(&pen);
	MemDC.MoveTo(nX, 0);
	MemDC.LineTo(nX, rect.Height());

	//释放资源
	pDc->BitBlt(0, 0, rect.Width(), rect.Width(), &MemDC, 0, 0, SRCCOPY);
	MemDC.SelectObject(oldpen);
	MemDC.SelectObject(OldBitmap);
	pen.DeleteObject();
	Bitmap.DeleteObject();
	MemDC.DeleteDC();
}


// CDetailView 诊断

#ifdef _DEBUG
void CDetailView::AssertValid() const {
	CView::AssertValid();
}

#ifndef _WIN32_WCE
void CDetailView::Dump(CDumpContext& dc) const {
	CView::Dump(dc);
}
#endif
#endif //_DEBUG


// CDetailView 消息处理程序
void CDetailView::OnPaint() {
	if (pDoc == NULL)   pDoc = (CMCADoc*)GetDocument();
	if (pView == NULL)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
	CPaintDC dc(this); // device context for painting
	OnPrepareDC(&dc);
	OnDraw(&dc);
}

BOOL CDetailView::OnEraseBkgnd(CDC* pDC) {
	return TRUE;
}

void CDetailView::OnLButtonDown(UINT nFlags, CPoint point) {
	if (pDoc == NULL)   pDoc = (CMCADoc*)GetDocument();
	if (pView == NULL)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
	int nX = point.x / ZF + pView->m_nCursor1;
	pView->m_nCursorROI = nX;
	pView->m_nCursorROICount = pDoc->m_nChannelCount[nX];
	pView->UpdateData(FALSE);
	pDoc->UpdateAllViews(NULL);
	CView::OnLButtonDown(nFlags, point);
}

void CDetailView::OnRButtonDown(UINT nFlags, CPoint point) {
	if (pDoc == NULL)   pDoc = (CMCADoc*)GetDocument();
	if (pView == NULL)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
	pView->m_nCursor1 = 0;
	pView->m_nCursor2 = 1023;
	pView->m_nWidth = 1024;
	pView->UpdateData(FALSE);
	pDoc->UpdateAllViews(NULL);
	CView::OnRButtonDown(nFlags, point);
}