gp2trackeditor/JamView.cpp at master · sdidit/gp2trackeditor · GitHub

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// JamView.cpp : implementation file
//

#include "stdafx.h"
#include "trackeditor.h"
#include "JamView.h"
#include "TrackEditorDoc.h"
#include "JAM.h"

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

/////////////////////////////////////////////////////////////////////////////
// CJamView

IMPLEMENT_DYNCREATE(CJamView, CScrollView)

CJamView::CJamView() { currentScale = 1.0; }

CJamView::~CJamView() {}

BEGIN_MESSAGE_MAP(CJamView, CScrollView)
//{{AFX_MSG_MAP(CJamView)
ON_WM_CREATE()
ON_COMMAND(ID_ZOOM_HOME, OnZoomHome)
ON_COMMAND(ZOOM_IN, OnIn)
ON_COMMAND(ZOOM_OUT, OnOut)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CJamView drawing

void CJamView::OnInitialUpdate()
{
  CScrollView::OnInitialUpdate();

  CSize sizeTotal;
  // TODO: calculate the total size of this view
  sizeTotal.cx = sizeTotal.cy = 256;
  SetScrollSizes(MM_TEXT, sizeTotal);

  CTrackEditorDoc* pDoc = (CTrackEditorDoc*)GetDocument();
  myjam = pDoc->getCurrentJam();
}

void CJamView::OnDraw(CDC* pDC)
{
  CTrackEditorDoc* pDoc = (CTrackEditorDoc*)GetDocument();

  if (myjam) {
    myjam->DrawAllJams(pDC, currentScale);
  }
}

/////////////////////////////////////////////////////////////////////////////
// CJamView diagnostics

#ifdef _DEBUG
void CJamView::AssertValid() const
{
  CScrollView::AssertValid();
}

void CJamView::Dump(CDumpContext& dc) const
{
  CScrollView::Dump(dc);
}
#endif//_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CJamView message handlers

int CJamView::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
  if (CScrollView::OnCreate(lpCreateStruct) == -1) return -1;

  // TODO: Add your specialized creation code here

  return 0;
}

void CJamView::OnZoomHome()
{
  CTrackEditorDoc* pDoc = (CTrackEditorDoc*)GetDocument();
  currentScale = 1.0;

  pDoc->UpdateAllViews(NULL);
  Resize();
}

void CJamView::OnIn()
{
  CTrackEditorDoc* pDoc = (CTrackEditorDoc*)GetDocument();
  currentScale *= 2;
  pDoc->UpdateAllViews(NULL);
  Resize();
}

void CJamView::Resize()
{
  CSize sizeTotal;
  sizeTotal.cx = sizeTotal.cy = (int)(currentScale * 256);
  SetScrollSizes(MM_TEXT, sizeTotal);
}

void CJamView::OnOut()
{
  CTrackEditorDoc* pDoc = (CTrackEditorDoc*)GetDocument();
  currentScale /= 2;
  pDoc->UpdateAllViews(NULL);
  Resize();
}