?? tinmap.cpp
字號:
// TinMap.cpp : implementation of the CTinMap class
//
#include "stdafx.h"
#include "TinApp.h"
#include "TinDoc.h"
#include "TinMap.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#endif
/////////////////////////////////////////////////////////////////////////////
// CTinMap
IMPLEMENT_DYNCREATE(CTinMap, CView)
BEGIN_MESSAGE_MAP(CTinMap, CView)
ON_WM_SIZE()
ON_WM_LBUTTONDOWN()
ON_WM_LBUTTONUP()
ON_WM_MOUSEMOVE()
ON_WM_MOUSEWHEEL()
ON_WM_SETCURSOR()
ON_COMMAND(ID_ZOOM_INT, OnZoomInt)
ON_UPDATE_COMMAND_UI(ID_ZOOM_INT, OnUpdateZoomInt)
ON_COMMAND(ID_ZOOM_OUT, OnZoomOut)
ON_UPDATE_COMMAND_UI(ID_ZOOM_OUT, OnUpdateZoomOut)
ON_COMMAND(ID_MOVE_PAN, OnMovePan)
ON_UPDATE_COMMAND_UI(ID_MOVE_PAN, OnUpdateMovePan)
// 標準打印命令
ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CTinMap 構造/析構
CTinMap::CTinMap()
{
m_dw = m_dh = MoveX = MoveY = 0;
m_pMemDC = 0; m_pMemBM = 0;
m_nTool1 = m_nTool2 = 0;
}
CTinMap::~CTinMap()
{
if(m_pMemDC) delete m_pMemDC;
if(m_pMemBM) delete m_pMemBM;
}
BOOL CTinMap::PreCreateWindow(CREATESTRUCT& cs)
{
// TODO: Modify the Window class or styles here by modifying
// the CREATESTRUCT cs
return CView::PreCreateWindow(cs);
}
/////////////////////////////////////////////////////////////////////////////
// CTinMap 繪制
void CTinMap::OnDraw(CDC* pDC)
{
CTinDoc* pDoc = GetDocument();
ASSERT_VALID(pDoc);
if (m_pMemDC)
{
pDC->BitBlt(0, 0, m_cw, m_ch, m_pMemDC, MoveX, -MoveY, SRCCOPY);
}
}
/////////////////////////////////////////////////////////////////////////////
// CTinMap 打印
BOOL CTinMap::OnPreparePrinting(CPrintInfo* pInfo)
{
// default preparation
return DoPreparePrinting(pInfo);
}
void CTinMap::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add extra initialization before printing
}
void CTinMap::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
// TODO: add cleanup after printing
}
/////////////////////////////////////////////////////////////////////////////
// CTinMap 診斷
#ifdef _DEBUG
void CTinMap::AssertValid() const
{
CView::AssertValid();
}
void CTinMap::Dump(CDumpContext& dc) const
{
CView::Dump(dc);
}
CTinDoc* CTinMap::GetDocument() const // 非調試版本是內聯(lián)的
{
ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CTinDoc)));
return (CTinDoc*)m_pDocument;
}
#endif //_DEBUG
/////////////////////////////////////////////////////////////////////////////
// CTinMap 消息處理程序
void CTinMap::OnInitialUpdate()
{
CView::OnInitialUpdate();
m_dw = GetSystemMetrics(SM_CXSCREEN);
m_dh = GetSystemMetrics(SM_CYSCREEN);
if (m_dw == 0 || m_dh == 0) return;
m_pMemDC = new CDC; m_pMemBM = new CBitmap;
if (m_pMemDC && m_pMemBM)
{
CDC *pDC = GetDC();
if (pDC == NULL)
{
delete m_pMemDC; delete m_pMemBM;
m_pMemDC = 0; m_pMemBM = 0;
}
else
{
long bInit = 1;
if (m_pMemDC->CreateCompatibleDC(pDC))
{
if (m_pMemBM->CreateCompatibleBitmap(pDC, m_dw, m_dh))
{
if (m_pMemDC->SelectObject(m_pMemBM))
m_pMemDC->SetStretchBltMode(COLORONCOLOR);
else
bInit = 0;
}
else
bInit = 0;
}
else
bInit = 0;
if (!bInit)
{
delete m_pMemDC; delete m_pMemBM;
m_pMemDC = 0; m_pMemBM = 0;
}
ReleaseDC(pDC);
}
}
else
{
if (m_pMemDC) delete m_pMemDC;
if (m_pMemBM) delete m_pMemBM;
m_pMemDC = 0; m_pMemBM = 0;
}
}
void CTinMap::OnSize(UINT nType, int cx, int cy)
{
CView::OnSize(nType, cx, cy);
m_cw = cx; m_ch = cy;
CTinDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc);
if (pDoc && m_pMemDC)
{
pDoc->SetViewportExt(m_cw, m_ch);
PatBlt(m_pMemDC->m_hDC, 0, 0, m_dw, m_dh, WHITENESS);
pDoc->Move(m_pMemDC, 0, 0);
Invalidate(0);
}
}
void CTinMap::OnUpdate(CView* pSender, LPARAM lHint, CObject* pHint)
{
CTinDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc);
m_nTool1 = m_nTool2 = 0;
if (pDoc && m_pMemDC)
{
pDoc->SetViewportExt(m_cw, m_ch);
PatBlt(m_pMemDC->m_hDC, 0, 0, m_dw, m_dh, WHITENESS);
pDoc->Move(m_pMemDC, 0, 0);
Invalidate(1);
}
}
void CTinMap::OnLButtonDown(UINT nFlags, CPoint point)
{
CTinDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc);
m_bLBDown = 1; m_prePoint = point; m_midPoint = point; MoveX = 0; MoveY = 0;
if (m_nTool1 == ID_ZOOM_INT || m_nTool1 == ID_ZOOM_OUT || m_nTool1 == ID_MOVE_PAN)
SetCapture();
CView::OnLButtonDown(nFlags, point);
}
void CTinMap::OnLButtonUp(UINT nFlags, CPoint point)
{
CTinDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc);
if (m_nTool1 == ID_ZOOM_INT || m_nTool1 == ID_ZOOM_OUT || m_nTool1 == ID_MOVE_PAN)
ReleaseCapture();
if (m_bLBDown)
{
if (m_nTool1 == ID_ZOOM_INT || m_nTool1 == ID_ZOOM_OUT) // 放大或縮小
{
CDC* pDC = GetDC();
CPen *oldPen, newPen;
newPen.CreatePen(PS_DOT, 1, RGB(0, 255, 0));
oldPen = pDC->SelectObject(&newPen); long oldRop = pDC->SetROP2(R2_NOTXORPEN);
pDC->Rectangle(CRect(m_prePoint.x, m_prePoint.y, m_midPoint.x, m_midPoint.y));
m_midPoint = point;
pDC->SetROP2(oldRop); pDC->SelectObject(oldPen); newPen.DeleteObject();
ReleaseDC(pDC);
long mx, my; double xs, ys;
my = m_ch / 2 - (m_midPoint.y + m_prePoint.y) / 2;
mx = m_cw / 2 - (m_midPoint.x + m_prePoint.x) / 2;
ys = m_ch / (1.0 * abs(m_midPoint.y - m_prePoint.y));
xs = m_cw / (1.0 * abs(m_midPoint.x - m_prePoint.x));
if (abs(m_midPoint.x - m_prePoint.x) < 4 || abs(m_midPoint.y - m_prePoint.y) < 4)
xs = ys = 1.5;
PatBlt(m_pMemDC->m_hDC, 0, 0, m_dw, m_dh, WHITENESS);
if (m_nTool1 == ID_ZOOM_INT)
{
if (xs > ys)
pDoc->Zoom(m_pMemDC, mx, -my, xs, xs, TRUE);
else
pDoc->Zoom(m_pMemDC, mx, -my, ys, ys, TRUE);
}
else
{
if (xs < ys)
pDoc->Zoom(m_pMemDC, mx, -my, xs, xs, FALSE);
else
pDoc->Zoom(m_pMemDC, mx, -my, ys, ys, FALSE);
}
Invalidate(0);
}
else if (m_nTool1 == ID_MOVE_PAN) // 地圖漫游
{
MoveX = m_prePoint.x - point.x;
MoveY = point.y - m_prePoint.y;
PatBlt(m_pMemDC->m_hDC, 0, 0, m_dw, m_dh, WHITENESS);
pDoc->Move(m_pMemDC, MoveX, MoveY);
MoveX = 0; MoveY = 0;
Invalidate(0);
}
}
m_bLBDown = 0;
CView::OnLButtonUp(nFlags, point);
}
void CTinMap::OnMouseMove(UINT nFlags, CPoint point)
{
if (m_bLBDown)
{
if (m_nTool1 == ID_ZOOM_INT || m_nTool1 == ID_ZOOM_OUT) // 放大或縮小或分割
{
CDC* pDC = GetDC();
CPen *oldPen, newPen;
newPen.CreatePen(PS_DOT, 1, RGB(0, 255, 0));
oldPen = pDC->SelectObject(&newPen); int oldRop = pDC->SetROP2(R2_NOTXORPEN);
pDC->Rectangle(CRect(m_prePoint.x, m_prePoint.y, m_midPoint.x, m_midPoint.y));
m_midPoint = point;
pDC->Rectangle(CRect(m_prePoint.x, m_prePoint.y, m_midPoint.x, m_midPoint.y));
pDC->SetROP2(oldRop); pDC->SelectObject(oldPen); newPen.DeleteObject();
ReleaseDC(pDC);
}
else if (m_nTool1 == ID_MOVE_PAN) // 地圖漫游
{
long dx = point.x - m_midPoint.x;
long dy = point.y - m_midPoint.y;
MoveX = m_prePoint.x - point.x;
MoveY = point.y - m_prePoint.y;
ScrollWindow(dx, dy, NULL, NULL);
m_midPoint = point;
}
}
CView::OnMouseMove(nFlags, point);
}
BOOL CTinMap::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt)
{
CTinDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc);
if (zDelta > 0)
{
PatBlt(m_pMemDC->m_hDC, 0, 0, m_dw, m_dh, WHITENESS);
pDoc->Zoom(m_pMemDC, 0, 0, 1.05, 1.05, TRUE);
}
else
{
PatBlt(m_pMemDC->m_hDC, 0, 0, m_dw, m_dh, WHITENESS);
pDoc->Zoom(m_pMemDC, 0, 0, 1.05, 1.05, FALSE);
}
Invalidate(); UpdateWindow();
return CView::OnMouseWheel(nFlags, zDelta, pt);
}
BOOL CTinMap::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
{
CWinApp *winApp = AfxGetApp();
if (m_nTool1 != 0)
{
if (m_nTool1 == ID_ZOOM_INT)
{ SetCursor(winApp->LoadCursor(129)); return FALSE; }
else if (m_nTool1 == ID_ZOOM_OUT)
{ SetCursor(winApp->LoadCursor(130)); return FALSE; }
else if (m_nTool1 == ID_MOVE_PAN)
{ SetCursor(winApp->LoadCursor(132)); return FALSE; }
}
return CView::OnSetCursor(pWnd, nHitTest, message);
}
void CTinMap::MoveTo(double x, double y)
{
CTinDoc* pDoc = GetDocument(); ASSERT_VALID(pDoc);
PatBlt(m_pMemDC->m_hDC, 0, 0, m_dw, m_dh, WHITENESS);
pDoc->MoveTo(m_pMemDC, x, y);
Invalidate(0);
}
void CTinMap::OnZoomInt()
{
if (m_nTool1 != ID_ZOOM_INT) m_nTool1 = ID_ZOOM_INT;
else m_nTool1 = 0;
}
void CTinMap::OnUpdateZoomInt(CCmdUI* pCmdUI)
{
if (m_nTool1 == ID_ZOOM_INT) pCmdUI->SetCheck(1);
else pCmdUI->SetCheck(0);
}
void CTinMap::OnZoomOut()
{
if (m_nTool1 != ID_ZOOM_OUT) m_nTool1 = ID_ZOOM_OUT;
else m_nTool1 = 0;
}
void CTinMap::OnUpdateZoomOut(CCmdUI* pCmdUI)
{
if (m_nTool1 == ID_ZOOM_OUT) pCmdUI->SetCheck(1);
else pCmdUI->SetCheck(0);
}
void CTinMap::OnMovePan()
{
if (m_nTool1 != ID_MOVE_PAN) m_nTool1 = ID_MOVE_PAN;
else m_nTool1 = 0;
}
void CTinMap::OnUpdateMovePan(CCmdUI* pCmdUI)
{
if (m_nTool1 == ID_MOVE_PAN) pCmdUI->SetCheck(1);
else pCmdUI->SetCheck(0);
}
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -