X-Git-Url: https://git.ucc.asn.au/?p=matches%2Fhonours.git;a=blobdiff_plain;f=research%2Ftransmission_spectroscopy%2FTOF%2FWin32%2B%2B%2Fsamples%2FScribble%2Fsrc%2FView.cpp;fp=research%2Ftransmission_spectroscopy%2FTOF%2FWin32%2B%2B%2Fsamples%2FScribble%2Fsrc%2FView.cpp;h=d1b982d0be6335ae4caa04752ff2d8288084e0ed;hp=0000000000000000000000000000000000000000;hb=70a96cca12cb006506461d26cd112bab179fe74c;hpb=8caf60af39689a3546074f0c68d14c3a2e28191e

diff --git a/research/transmission_spectroscopy/TOF/Win32++/samples/Scribble/src/View.cpp b/research/transmission_spectroscopy/TOF/Win32++/samples/Scribble/src/View.cpp
new file mode 100644
index 00000000..d1b982d0
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+++ b/research/transmission_spectroscopy/TOF/Win32++/samples/Scribble/src/View.cpp
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+//////////////////////////////////////////////
+// View.cpp
+//  Definitions for the CView class
+
+#include "stdafx.h"
+#include "view.h"
+#include "resource.h"
+
+
+using namespace std;
+
+CView::CView() : m_PenColor(RGB(0,0,0))
+{
+	m_Brush.CreateSolidBrush(RGB(255,255,230));
+}
+
+CView::~CView()
+{
+}
+
+void CView::ClearPoints()
+{
+	m_points.clear();
+	Invalidate();
+}
+
+void CView::DrawLine(int x, int y)
+{
+	CClientDC dcClient(this);
+	dcClient.CreatePen(PS_SOLID, 1, m_points.back().color);
+	dcClient.MoveTo(m_points.back().x, m_points.back().y);
+	dcClient.LineTo(x, y);
+}
+
+void CView::OnDraw(CDC* pDC)
+{
+
+	// Here we use double buffering (drawing to a memory DC) for smoother rendering
+	// Set up our Memory DC and bitmap
+	CMemDC MemDC(pDC);
+	int Width = GetClientRect().Width();
+	int Height = GetClientRect().Height();
+	MemDC.CreateCompatibleBitmap(pDC, Width, Height);
+	MemDC.FillRect(GetClientRect(), &m_Brush);
+
+	if (m_points.size() > 0)
+	{
+		bool bDraw = false;  //Start with the pen up
+		for (unsigned int i = 0 ; i < m_points.size(); i++)
+		{
+
+			MemDC.CreatePen(PS_SOLID, 1, m_points[i].color);
+			if (bDraw)
+				MemDC.LineTo(m_points[i].x, m_points[i].y);
+			else
+				MemDC.MoveTo(m_points[i].x, m_points[i].y);
+
+			bDraw = m_points[i].PenDown;
+		}
+	}
+
+	// Copy from the memory DC to our painting dc
+	pDC->BitBlt(0, 0, Width, Height, &MemDC, 0, 0, SRCCOPY);
+}
+
+void CView::PreCreate(CREATESTRUCT &cs)
+{
+	// Set the extra style to provide a sunken effect
+	cs.dwExStyle = WS_EX_CLIENTEDGE;
+}
+
+void CView::PreRegisterClass(WNDCLASS &wc)
+{
+	// Set the background brush, class name and cursor
+	wc.hbrBackground = m_Brush;
+	wc.lpszClassName = _T("Scribble Window");
+	wc.hCursor = ::LoadCursor(GetApp()->GetInstanceHandle(), MAKEINTRESOURCE(IDC_CURSOR1));
+}
+
+BOOL CView::FileOpen(LPCTSTR szFilename)
+{
+	// empty the PlotPoint vector
+	m_points.clear();
+	DWORD nBytesRead;
+	BOOL bResult = FALSE;
+
+	// Create a handle to the file
+	CFile File;
+	if (File.Open(szFilename, OPEN_EXISTING))
+	{
+		do
+		{
+			PlotPoint pp;
+			nBytesRead = File.Read(&pp, sizeof(PlotPoint));
+			if (nBytesRead == sizeof(PlotPoint))
+				m_points.push_back(pp);
+
+		} while (nBytesRead == sizeof(PlotPoint));
+
+		if ((0 != nBytesRead) || (m_points.empty()))
+		{
+			// Failed to read all of the file
+			m_points.clear();
+			::MessageBox (0, _T("Invalid data in file"), _T("Error"), MB_ICONEXCLAMATION | MB_OK);
+		}
+		else
+			bResult = TRUE;
+
+	}
+	else
+	{
+		CString strErrMsg = _T("Failed to open file ");
+		strErrMsg += szFilename;
+		::MessageBox (0, strErrMsg, _T("Error"), MB_ICONEXCLAMATION | MB_OK);
+	}
+
+	Invalidate();
+	return bResult;
+}
+
+BOOL CView::FileSave(LPCTSTR szFilename)
+{
+	BOOL bResult = TRUE;
+	CFile hFile;
+	if (!hFile.Open(szFilename, CREATE_ALWAYS))
+	{
+		::MessageBox (0, _T("Failed to open file for writing"), _T("Error"), MB_ICONEXCLAMATION | MB_OK);
+		bResult = FALSE;
+	}
+
+	if (bResult)
+	{
+		// Write the file
+		for (size_t i = 0; i < m_points.size(); ++i)
+		{
+			if (!hFile.Write(&m_points[i], sizeof(PlotPoint)))
+			{
+				::MessageBox (0, _T("Error while writing to file"), _T("Error"), MB_ICONEXCLAMATION | MB_OK);
+				bResult = FALSE;
+				break;
+			}
+		}
+
+		// Verify file length
+		if (hFile.GetLength() != m_points.size() * sizeof(PlotPoint))
+		{
+			::MessageBox (0, _T("Error while writing to file"), _T("Error"), MB_ICONEXCLAMATION | MB_OK);
+			bResult = FALSE;
+		}
+	}
+
+	return bResult;
+}
+
+void CView::SetPen(COLORREF color)
+{
+	m_PenColor = color;
+}
+
+void CView::StorePoint(int x, int y, bool PenDown)
+{
+	PlotPoint P1;
+	P1.x = x;
+	P1.y = y;
+	P1.PenDown = PenDown;
+	P1.color = m_PenColor;
+
+	m_points.push_back(P1); //Add the point to the vector
+}
+
+void CView::OnLButtonDown(LPARAM lParam)
+{
+ 	// Capture mouse input.
+ 	SetCapture();
+
+	StorePoint(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), true);
+}
+
+void CView::OnLButtonUp(LPARAM lParam)
+{
+	{
+		//Release the capture on the mouse
+		ReleaseCapture();
+
+		StorePoint(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), false);
+	}
+}
+
+void CView::OnMouseMove(WPARAM wParam, LPARAM lParam)
+{
+	// hold down the left mouse button and move mouse to draw lines.
+	if ( (wParam & MK_LBUTTON) && (GetCapture() == this) )
+	{
+		CString str;
+		str.Format( _T("Draw Point:  %hd, %hd\n"), GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam) );
+		TRACE(str);
+
+		DrawLine(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam));
+		StorePoint(GET_X_LPARAM(lParam), GET_Y_LPARAM(lParam), true);
+	}
+}
+
+LRESULT CView::WndProc(UINT uMsg, WPARAM wParam, LPARAM lParam)
+{
+	switch (uMsg)
+	{
+	case WM_LBUTTONDOWN:
+		OnLButtonDown(lParam);
+		break;
+
+	case WM_MOUSEMOVE:
+		OnMouseMove(wParam, lParam);
+        break;
+
+    case WM_LBUTTONUP:
+		OnLButtonUp(lParam);
+		break;
+	}
+
+	//Use the default message handling for remaining messages
+	return WndProcDefault(uMsg, wParam, lParam);
+}
+