CS580HWView.cpp

// CS580HWView.cpp : implementation of the CCS580HWView class
//

#include "stdafx.h"
#include "CS580HW.h"

#include "CS580HWDoc.h"
#include "CS580HWView.h"

#include "Gz.h"
#include "disp.h"
#include "Application2.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CCS580HWView

IMPLEMENT_DYNCREATE(CCS580HWView, CView)

BEGIN_MESSAGE_MAP(CCS580HWView, CView)
	//{{AFX_MSG_MAP(CCS580HWView)
	ON_COMMAND(IDM_RENDER, OnRender)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCS580HWView construction/destruction

CCS580HWView::CCS580HWView()
{
	// TODO: add construction code here
	m_pApplication = NULL;

}

CCS580HWView::~CCS580HWView()
{
}

BOOL CCS580HWView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CCS580HWView drawing

void CCS580HWView::OnDraw(CDC* pDC)
{
	CCS580HWDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	if(m_pApplication != NULL)
		DrawFrameBuffer(pDC);
}

/////////////////////////////////////////////////////////////////////////////
// CCS580HWView diagnostics

#ifdef _DEBUG
void CCS580HWView::AssertValid() const
{
	CView::AssertValid();
}

void CCS580HWView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CCS580HWDoc* CCS580HWView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CCS580HWDoc)));
	return (CCS580HWDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CCS580HWView message handlers

void CCS580HWView::OnRender() 
{
	// TODO: Add your command handler code here

	// Call renderer using render context

	// Application 2
	m_pApplication = new Application2;
	m_pApplication->Render();

	// Set window size
	CRect clientRect, windowRect;
	int x_offset, y_offset;

	GetClientRect(&clientRect);
	AfxGetMainWnd()->GetWindowRect(&windowRect);
	
	x_offset = windowRect.Width() - clientRect.Width();
	y_offset = windowRect.Height() - clientRect.Height();

	AfxGetMainWnd()->SetWindowPos(NULL, 0, 0, x_offset+m_pApplication->m_nWidth, y_offset+m_pApplication->m_nHeight, NULL/*,SWP_SHOWWINDOW*/);

	Invalidate(true);	
}

void CCS580HWView::DrawFrameBuffer(CDC *pDC)
{
	if(m_pApplication->m_pFrameBuffer == NULL)
    {
        return;
    }

    HDC hdc;
    hdc = ::CreateCompatibleDC(pDC->m_hDC);
	HBITMAP m_bitmap;

    // Display the current image
    char buffer[sizeof(BITMAPINFO)];
    BITMAPINFO* binfo = (BITMAPINFO*)buffer;
    memset(binfo, 0, sizeof(BITMAPINFOHEADER));
    binfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
    
	// Create the bitmap
    BITMAPINFOHEADER* bih = &binfo->bmiHeader;
	bih->biBitCount = 3*8;
	bih->biWidth = m_pApplication->m_nWidth;
	bih->biHeight = m_pApplication->m_nHeight;
    bih->biPlanes = 1;
    bih->biCompression = BI_RGB;
    bih->biSizeImage = 0;
    
    m_bitmap = CreateDIBSection(hdc, binfo, 0, 0, 0, DIB_RGB_COLORS);

    int colors = DIB_RGB_COLORS;
    
    ::SelectObject(hdc, m_bitmap);
	binfo->bmiHeader.biBitCount = 0;
	GetDIBits(hdc, m_bitmap, 0, 0, 0, binfo, colors);
    binfo->bmiHeader.biBitCount = 24;
    binfo->bmiHeader.biHeight = -abs(binfo->bmiHeader.biHeight);
    SetDIBits(hdc, m_bitmap, 0, m_pApplication->m_nHeight, m_pApplication->m_pFrameBuffer, binfo, colors);

    ::SetStretchBltMode(pDC->m_hDC, COLORONCOLOR);
    CRect client;
    GetClientRect(&client);
    ::BitBlt(pDC->m_hDC, 0, 0, m_pApplication->m_nWidth, m_pApplication->m_nHeight, 
        hdc, 0, 0, SRCCOPY);
    ::DeleteDC(hdc);
    DeleteObject(m_bitmap);
}