79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
#include <stdio.h>
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#include <common/windows.hpp>
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#include <thtest/led.hpp>
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LedDisplay::LedDisplay(HWND hDisplayWindow,Point windowPoint)
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: mWindowPoint(windowPoint), mhDisplayWindow(hDisplayWindow), mCurrentNumber(0),
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mHasSpecialChar(TRUE), mCurrentSpecialChar(DashChar),
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#if defined(__FLAT__)
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mhFilm(::LoadBitmap((HINSTANCE)::GetWindowLong(hDisplayWindow,GWL_HINSTANCE),"LED"))
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#else
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mhFilm(::LoadBitmap((HINSTANCE)::GetWindowWord(hDisplayWindow,GWW_HINSTANCE),"LED"))
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#endif
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{
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}
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LedDisplay::~LedDisplay()
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{
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if(mhFilm){::DeleteObject(mhFilm);mhFilm=0;}
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}
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void LedDisplay::setNumber(SpecialChar specialChar)
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{
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mHasSpecialChar=TRUE;
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mCurrentSpecialChar=specialChar;
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paint();
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}
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void LedDisplay::setNumber(WORD someNumber)
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{
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mHasSpecialChar=FALSE;
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mCurrentNumber=someNumber;
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paint();
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}
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void LedDisplay::paint(void)
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{
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HBITMAP hOldBitmap;
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HDC hDisplayDC;
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HDC hMemDC;
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WORD firstOffset;
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WORD secondOffset;
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WORD thirdOffset;
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hDisplayDC=::GetDC(mhDisplayWindow);
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hMemDC=::CreateCompatibleDC(hDisplayDC);
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hOldBitmap=(HBITMAP)::SelectObject(hMemDC,mhFilm);
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positions(firstOffset,secondOffset,thirdOffset);
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::BitBlt(hDisplayDC,mWindowPoint.x(),mWindowPoint.y(),Width,Height,
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hMemDC,0,firstOffset*Height,SRCCOPY);
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::BitBlt(hDisplayDC,mWindowPoint.x()+Width,mWindowPoint.y(),Width,Height,
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hMemDC,0,secondOffset*Height,SRCCOPY);
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::BitBlt(hDisplayDC,mWindowPoint.x()+(Width*2),mWindowPoint.y(),Width,Height,
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hMemDC,0,thirdOffset*Height,SRCCOPY);
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::SelectObject(hMemDC,hOldBitmap);
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::DeleteObject(hMemDC);
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::ReleaseDC(mhDisplayWindow,hDisplayDC);
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}
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void LedDisplay::positions(WORD &firstOffset,WORD &secondOffset,WORD &thirdOffset)const
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{
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String numberString;
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if(mHasSpecialChar)
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{
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if(BlankChar==mCurrentSpecialChar)
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firstOffset=secondOffset=thirdOffset=OffsetBlankChar;
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else
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firstOffset=secondOffset=thirdOffset=OffsetDashChar;
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}
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else
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{
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::sprintf(numberString,"%03d",mCurrentNumber);
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firstOffset=charPosition(*(numberString));
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secondOffset=charPosition(*((LPSTR)numberString+1));
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thirdOffset=charPosition(*((LPSTR)numberString+2));
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}
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}
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