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- // ScrollDemoDlg.cpp : implementation file
- //
-
- #include "stdafx.h"
- #include "ScrollDemo.h"
- #include "ScrollDemoDlg.h"
- #include "pdrawconst.h"
- #include "math.h"
-
- #ifdef _DEBUG
- #define new DEBUG_NEW
- #undef THIS_FILE
- static char THIS_FILE[] = __FILE__;
- #endif
-
- /////////////////////////////////////////////////////////////////////////////
- // CAboutDlg dialog used for App About
-
- class CAboutDlg : public CDialog
- {
- public:
- CAboutDlg();
-
- // Dialog Data
- //{{AFX_DATA(CAboutDlg)
- enum { IDD = IDD_ABOUTBOX };
- //}}AFX_DATA
-
- // ClassWizard generated virtual function overrides
- //{{AFX_VIRTUAL(CAboutDlg)
- protected:
- virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV support
- //}}AFX_VIRTUAL
-
- // Implementation
- protected:
- //{{AFX_MSG(CAboutDlg)
- //}}AFX_MSG
- DECLARE_MESSAGE_MAP()
- };
-
- CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
- {
- //{{AFX_DATA_INIT(CAboutDlg)
- //}}AFX_DATA_INIT
- }
-
- void CAboutDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CAboutDlg)
- //}}AFX_DATA_MAP
- }
-
- BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
- //{{AFX_MSG_MAP(CAboutDlg)
- // No message handlers
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
-
- /////////////////////////////////////////////////////////////////////////////
- // CScrollDemoDlg dialog
-
- CScrollDemoDlg::CScrollDemoDlg(CWnd* pParent /*=NULL*/)
- : CDialog(CScrollDemoDlg::IDD, pParent)
- {
- //{{AFX_DATA_INIT(CScrollDemoDlg)
- // NOTE: the ClassWizard will add member initialization here
- //}}AFX_DATA_INIT
- // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
- m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
- m_nTimer = -1;
- m_lLeftArrow = -1;
- m_lSquare = -1;
- m_lText = -1;
-
- }
-
- void CScrollDemoDlg::DoDataExchange(CDataExchange* pDX)
- {
- CDialog::DoDataExchange(pDX);
- //{{AFX_DATA_MAP(CScrollDemoDlg)
- DDX_Control(pDX, IDC_POLARDRAWCTRL1, m_PolarDraw);
- //}}AFX_DATA_MAP
- }
-
- BEGIN_MESSAGE_MAP(CScrollDemoDlg, CDialog)
- //{{AFX_MSG_MAP(CScrollDemoDlg)
- ON_WM_SYSCOMMAND()
- ON_WM_PAINT()
- ON_WM_QUERYDRAGICON()
- ON_WM_TIMER()
- ON_WM_DESTROY()
- //}}AFX_MSG_MAP
- END_MESSAGE_MAP()
-
- /////////////////////////////////////////////////////////////////////////////
- // CScrollDemoDlg message handlers
-
- BOOL CScrollDemoDlg::OnInitDialog()
- {
- CDialog::OnInitDialog();
-
- // Add "About..." menu item to system menu.
-
- // IDM_ABOUTBOX must be in the system command range.
- ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
- ASSERT(IDM_ABOUTBOX < 0xF000);
-
- CMenu* pSysMenu = GetSystemMenu(FALSE);
- if (pSysMenu != NULL)
- {
- CString strAboutMenu;
- strAboutMenu.LoadString(IDS_ABOUTBOX);
- if (!strAboutMenu.IsEmpty())
- {
- pSysMenu->AppendMenu(MF_SEPARATOR);
- pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
- }
- }
-
- // Set the icon for this dialog. The framework does this automatically
- // when the application's main window is not a dialog
- SetIcon(m_hIcon, TRUE); // Set big icon
- SetIcon(m_hIcon, FALSE); // Set small icon
-
- // Here, we create shapes and set their attributes:
- m_lSquare = m_PolarDraw.AddShape(polRectangle, 50, 50, 100, 100);
- m_lLeftArrow = m_PolarDraw.AddShape(polLeftArrow, 105, 105, 205, 155);
- if(m_lSquare > -1)
- {
- m_PolarDraw.SetShapeFillTexture(m_lSquare, polGreenMarble);
- }
- if(m_lLeftArrow > -1)
- {
- m_PolarDraw.SetShapeFillPattern(m_lLeftArrow, polSphere, RGB(255,0,0), RGB(255,255,0));
- }
-
- m_lText = m_PolarDraw.AddShape(polPlainText, 50, 50, 205, 155);
- if (m_lText > 0)
- {
- m_PolarDraw.SetShapeText(m_lText, "Test");
- m_PolarDraw.SetShapePos(m_lText, 50, 50, 205, 155);
- m_PolarDraw.SetShapeLensType(m_lText, polInvert);
- m_PolarDraw.SetShapeHasLens(m_lText, TRUE);
- m_PolarDraw.SetShapeHasLine(m_lText, FALSE);
- }
-
- m_lDiamond = m_PolarDraw.AddShape(polDiamond, 50, 150, 205, 225);
- if (m_lDiamond > 0)
- {
- m_PolarDraw.SetShapeFillType(m_lDiamond, polShade);
- m_PolarDraw.SetShapeFillColor(m_lDiamond, RGB(255,0,0));
- m_PolarDraw.SetShapeFillBackColor(m_lDiamond, RGB(255,255,0));
- m_PolarDraw.SetShapeFillAngle(m_lDiamond, 90);
- }
-
- // Now set theoptimal zoom:
- m_PolarDraw.FitToPage();
- m_PolarDraw.SetEnableRendering(TRUE);
- m_nTimer = SetTimer(1, 50, NULL);
-
-
- return TRUE; // return TRUE unless you set the focus to a control
- }
-
- void CScrollDemoDlg::OnSysCommand(UINT nID, LPARAM lParam)
- {
- if ((nID & 0xFFF0) == IDM_ABOUTBOX)
- {
- CAboutDlg dlgAbout;
- dlgAbout.DoModal();
- }
- else
- {
- CDialog::OnSysCommand(nID, lParam);
- }
- }
-
- // If you add a minimize button to your dialog, you will need the code below
- // to draw the icon. For MFC applications using the document/view model,
- // this is automatically done for you by the framework.
-
- void CScrollDemoDlg::OnPaint()
- {
- if (IsIconic())
- {
- CPaintDC dc(this); // device context for painting
-
- SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);
-
- // Center icon in client rectangle
- int cxIcon = GetSystemMetrics(SM_CXICON);
- int cyIcon = GetSystemMetrics(SM_CYICON);
- CRect rect;
- GetClientRect(&rect);
- int x = (rect.Width() - cxIcon + 1) / 2;
- int y = (rect.Height() - cyIcon + 1) / 2;
-
- // Draw the icon
- dc.DrawIcon(x, y, m_hIcon);
- }
- else
- {
- CDialog::OnPaint();
- }
- }
-
- // The system calls this to obtain the cursor to display while the user drags
- // the minimized window.
- HCURSOR CScrollDemoDlg::OnQueryDragIcon()
- {
- return (HCURSOR) m_hIcon;
- }
-
- void CScrollDemoDlg::OnTimer(UINT nIDEvent)
- {
- // TODO: Add your message handler code here and/or call default
- if(nIDEvent == m_nTimer)
- {
- // disable rendering so the canvas is not redrawn after each line:
- m_PolarDraw.SetEnableRendering(FALSE);
-
- // Set shape attributes:
- m_PolarDraw.RotateShape(m_lSquare, 5);
- m_PolarDraw.RotateShape(m_lLeftArrow, -5);
- m_PolarDraw.RotateShape(m_lText, 2);
- long lRot1 = m_PolarDraw.GetShapeRotation(m_lLeftArrow);
- long lRot2 = m_PolarDraw.GetShapeRotation(m_lText);
- long lMove1 = (long)(30 * sin((float)lRot2/16));
- m_PolarDraw.SetShapeLeft(m_lDiamond, 50 - lMove1);
- m_PolarDraw.SetShapeRight(m_lDiamond, 205 + lMove1);
- m_PolarDraw.SetShapeTop(m_lDiamond, 150 + lMove1/2);
- m_PolarDraw.SetShapeBottom(m_lDiamond, 225 - lMove1/2);
- // enable rendering now:
- m_PolarDraw.SetEnableRendering(TRUE);
- long lMove2 = (long)(40 * sin((float)lRot2/20));
- long lMove3 = (long)(40 * cos((float)lRot2/20));
- // following line will reposition the page inside the canvas
- // and also re-render the canvas:
- m_PolarDraw.SetPageOrigin(351 - lMove3, 395 - lMove2);
- }
-
- CDialog::OnTimer(nIDEvent);
- }
-
- void CScrollDemoDlg::OnDestroy()
- {
- CDialog::OnDestroy();
-
- // Kill the timer that we created in OnInitialUpdate()
- if(m_nTimer != -1)
- KillTimer(m_nTimer);
- }
-