// TotalView.cpp : 实现文件
//
#include <math.h>

#include "pch.h"

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

// CTotalView

IMPLEMENT_DYNCREATE(CTotalView, CView)

CTotalView::CTotalView() {

}

CTotalView::~CTotalView() {
}

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


// CTotalView 绘图
void CTotalView::OnDraw(CDC* pDc) {
	if (pDoc == NULL)   pDoc = (CMCADoc*)GetDocument();
	if (pView == NULL)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));

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

	CRect rect;
	CBitmap Bitmap, * OldBitmap;
	CPen linePen(PS_SOLID, 3, RGB(0, 0, 0));
	CPen cursor1Pen(PS_SOLID, 5, RGB(255, 0, 0));
	CPen cursor2Pen(PS_SOLID, 5, RGB(0, 255, 0));
	MemDC.SelectObject(&linePen);
	
	GetClientRect(&rect);
	Bitmap.CreateCompatibleBitmap(pDc, rect.Width(), rect.Height());
	OldBitmap = MemDC.SelectObject(&Bitmap);
	MemDC.FillSolidRect(0, 0, rect.Width(), rect.Height(), RGB(36, 217, 163));

	// 绘图
	if (pView->m_sAxisMode == "Linear") {
		MemDC.MoveTo(1, rect.Height() - pDoc->m_nChannelSmooth[0] * rect.Height() / pView->m_nLC);
		for (int i = 0; i < 1024; i++)
			MemDC.LineTo(2 * i + 1, rect.Height() - pDoc->m_nChannelSmooth[i] * rect.Height() / pView->m_nLC);
	}
	else {
		MemDC.MoveTo(1, rect.Height() - log10(max(pDoc->m_nChannelSmooth[0], 1)) * rect.Height() / log10(pView->m_nLC));
		for (int i = 0; i < 1024; i++)
			MemDC.LineTo(2 * i + 1, rect.Height() - log10(max(pDoc->m_nChannelSmooth[i], 1)) * rect.Height() / log10(pView->m_nLC));
	}
	// 绘制光标竖线
	linePen.DeleteObject();
	MemDC.SelectObject(&cursor1Pen);
	MemDC.MoveTo(2 * pView->m_nCursor1 + 1, 0);
	MemDC.LineTo(2 * pView->m_nCursor1 + 1, rect.Height());
	cursor1Pen.DeleteObject();
	CPen* oldpen = MemDC.SelectObject(&cursor2Pen);
	MemDC.MoveTo(2 * pView->m_nCursor2 + 1, 0);
	MemDC.LineTo(2 * pView->m_nCursor2 + 1, rect.Height());

	//释放资源
	MemDC.SelectObject(oldpen);
	cursor2Pen.DeleteObject();

	pDc->BitBlt(0, 0, rect.Width(), rect.Height(), &MemDC, 0, 0, SRCCOPY);	
	MemDC.SelectObject(OldBitmap);
	Bitmap.DeleteObject();
	MemDC.DeleteDC();
}


// CTotalView 诊断

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

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


// CTotalView 消息处理程序
void CTotalView::OnPaint() {
	CPaintDC dc(this); // device context for painting
	OnPrepareDC(&dc);
	OnDraw(&dc);
}


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

void CTotalView::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 - 1) / 2;
	if (nX < pView->m_nCursor2) {
		pView->m_nCursor1 = nX;
		pView->m_nWidth = pView->m_nCursor2 - pView->m_nCursor1 + 1;
		pView->m_nCursorROI = max(pView->m_nCursor1, pView->m_nCursorROI);
	}
	pView->UpdateData(FALSE);
	pDoc->UpdateAllViews(NULL);
	CView::OnLButtonDown(nFlags, point);
}

void CTotalView::OnRButtonDown(UINT nFlags, CPoint point) {
	if (pDoc == NULL)   pDoc = (CMCADoc*)GetDocument();
	if (pView == NULL)   pView = (CControlView*)pDoc->GetView(RUNTIME_CLASS(CControlView));
	int nX = (point.x - 1) / 2;
	if (nX > pView->m_nCursor1) {
		pView->m_nCursor2 = nX;
		pView->m_nWidth = pView->m_nCursor2 - pView->m_nCursor1 + 1;
		pView->m_nCursorROI = min(pView->m_nCursor2, pView->m_nCursorROI);
	}
	pView->UpdateData(FALSE);
	pDoc->UpdateAllViews(NULL);
	CView::OnRButtonDown(nFlags, point);
}