digclock.cpp

测量被试的阅读速度

#include "stdafx.h"

#include "DigClock.h"
#include ".\digclock.h"

void DisplayDigit (HDC hdc, int iNumber)
{
     static BOOL  fSevenSegment [10][7] = {
                         1, 1, 1, 0, 1, 1, 1,     // 0
                         0, 0, 1, 0, 0, 1, 0,     // 1
                         1, 0, 1, 1, 1, 0, 1,     // 2
                         1, 0, 1, 1, 0, 1, 1,     // 3
                         0, 1, 1, 1, 0, 1, 0,     // 4
                         1, 1, 0, 1, 0, 1, 1,     // 5
                         1, 1, 0, 1, 1, 1, 1,     // 6
                         1, 0, 1, 0, 0, 1, 0,     // 7
                         1, 1, 1, 1, 1, 1, 1,     // 8
                         1, 1, 1, 1, 0, 1, 1 } ;  // 9
     static POINT ptSegment [7][6] = {
                          7,  6,  11,  2,  31,  2,  35,  6,  31, 10,  11, 10,
                          6,  7,  10, 11,  10, 31,   6, 35,   2, 31,   2, 11,
                         36,  7,  40, 11,  40, 31,  36, 35,  32, 31,  32, 11,
                          7, 36,  11, 32,  31, 32,  35, 36,  31, 40,  11, 40,
                          6, 37,  10, 41,  10, 61,   6, 65,   2, 61,   2, 41,
                         36, 37,  40, 41,  40, 61,  36, 65,  32, 61,  32, 41,
                          7, 66,  11, 62,  31, 62,  35, 66,  31, 70,  11, 70 } ;
     int          iSeg ;
     
     for (iSeg = 0 ; iSeg < 7 ; iSeg++)
          if (fSevenSegment [iNumber][iSeg])
               Polygon (hdc, ptSegment [iSeg], 6) ;
}

void DisplayTwoDigits(HDC hdc, int iNumber, BOOL fSuppress)
{
     if (!fSuppress || (iNumber / 10 != 0))
          DisplayDigit (hdc, iNumber / 10) ;

     OffsetWindowOrgEx (hdc, -42, 0, NULL) ;
     DisplayDigit (hdc, iNumber % 10) ;
     OffsetWindowOrgEx (hdc, -42, 0, NULL) ;
}

void DisplayThreeDigits(HDC hdc, int iNumber, BOOL fSuppress)
{
     if (!fSuppress || (iNumber / 10 != 0))
          DisplayDigit (hdc, iNumber / 100) ;

     OffsetWindowOrgEx (hdc, -42, 0, NULL) ;
     DisplayDigit (hdc, (iNumber % 100) / 10) ;
     OffsetWindowOrgEx (hdc, -42, 0, NULL) ;
     DisplayDigit (hdc, (iNumber % 10)) ;
     OffsetWindowOrgEx (hdc, -42, 0, NULL) ;
}


void DisplayColon (HDC hdc)
{
     POINT ptColon [2][4] = { 2,  21,  6,  17,  10, 21,  6, 25,
                              2,  51,  6,  47,  10, 51,  6, 55 } ;

     Polygon (hdc, ptColon [0], 4) ;
     Polygon (hdc, ptColon [1], 4) ;

     OffsetWindowOrgEx (hdc, -12, 0, NULL) ;
}

void DisplayDot (HDC hdc)
{
     POINT ptColon [1][4] = { 2,  61,  6,  57,  10, 61,  6, 65 } ;

     Polygon (hdc, ptColon [0], 4) ;

     OffsetWindowOrgEx (hdc, -12, 0, NULL) ;
}

void DisplayTime (HDC hdc, int hour, int min, int sec, int millsec)
{
     //DisplayTwoDigits (hdc, hour, FALSE) ;
     //DisplayColon (hdc) ;
     DisplayTwoDigits (hdc, min, FALSE) ;
     DisplayColon (hdc) ;
     DisplayTwoDigits (hdc, sec, FALSE) ;
     DisplayDot (hdc) ;
     DisplayThreeDigits (hdc, millsec, FALSE) ;
}

LRESULT CDigClock::OnPaint(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
	if (m_hWnd) {
		CPaintDC dc(m_hWnd);
		CBrush brushRed;
		brushRed.CreateSolidBrush(RGB(0, 0, 0));
		dc.SelectBrush(brushRed);
		dc.SelectStockPen(NULL_PEN);

		RECT rect;
		GetClientRect(&rect);
		dc.FillRect(&rect, (HBRUSH) (COLOR_WINDOW+1));

		dc.SetMapMode(MM_ISOTROPIC);
		dc.SetWindowExt(276, 72, NULL);
		dc.SetViewportExt(rect.right, rect.bottom, NULL) ;

		dc.SetWindowOrg(138, 36, NULL) ;
		dc.SetViewportOrg(rect.right / 2, rect.bottom / 2, NULL) ;

		DisplayTime (dc, m_nHour, m_nMin, m_nSec, m_nMillSec) ;
		dc.SelectStockBrush(WHITE_BRUSH);
	}

	return 0;
}

void CDigClock::SetTime(int hour, int min, int sec, int millsec)
{
	m_nHour=hour; m_nMin=min; m_nSec=sec; m_nMillSec = millsec;
	Invalidate();
}