bool Canvas::getDigest(Digest& digest)
{
// we don't have a digest if the image is uninitialized
if (!m_pBMIH)
return false;
// read data from DIB
int nSize = m_nLineLength * m_nHeight;
BYTE* pData = new BYTE[nSize];
memset(pData, 0, nSize);
if (GetDIBits(m_hDC, m_hBmp, 0, m_nHeight, pData, reinterpret_cast<BITMAPINFO*>(m_pBMIH), DIB_RGB_COLORS) != m_nHeight) {
delete[] pData;
return false;
}
// apply transparency, if any
updateTrans(pData);
// calculate hash
mir_sha1_hash(pData, nSize, digest.m_Digest);
delete[] pData;
return true;
}
void NoInterp_Magnetic_Field::initialize()
{
// Hardcode the parameters for the coil placement
params[0]=5006.84;
params[1]=0.985822;
params[2]=0.9982;
params[3]=3.35674;
params[4]=-21.7003;
params[5]=4.63252;
params[6]=1.36807;
params[7]=0.016498;
params[8]=-0.163397;
params[9]=-0.0495801;
params[10]=12.3495;
params[11]=26.5842;
params[12]=0.00990677;
params[13]=8.21411;
params[14]=-0.0402859;
params[15]=-0.938968;
params[16]=0.402455;
params[17]=24.6394;
params[18]=-0.00621628;
params[19]=1.42923;
params[20]=-0.0654962;
params[21]=1.1413;
params[22]=0.634673;
params[23]=-4.96187;
params[24]=-0.00563976;
params[25]=0.331756;
params[26]=0.120429;
params[27]=1.10007;
params[28]=-0.845846;
params[29]=-1.49355;
params[30]=0.00201339;
params[31]=22.7439;
params[32]=0.546912;
params[33]=-0.891447;
params[34]=-0.491546;
fieldCS = new TMD5();
fieldCS->Update((unsigned char *)params,sizeof(double)*34);
fieldCS->Final();
// Define the coil positions and rotations.
updateTrans(params+1);
// Generate the segments
nRestSegs = restGen(segments,NSEGSBIGARC,NSEGSSMALLARC);
int nStepSegs = stepGen(segments + 6*nRestSegs,NSEGSBIGARC,NSEGSSMALLARC,uStrLen,dStrLen,dStepRad);
if ((nStepSegs+nRestSegs)!=nSegs)
{
std::cerr << "WRONG NUMBER OF SEGMENTS!\n";
exit (-1);
}
}
bool Canvas::writePNG(const TCHAR* szFileName)
{
// read data from DIB
BYTE* pData = new BYTE[m_nLineLength * m_nHeight];
if (GetDIBits(m_hDC, m_hBmp, 0, m_nHeight, pData, reinterpret_cast<BITMAPINFO*>(m_pBMIH), DIB_RGB_COLORS) != m_nHeight) {
delete[] pData;
return false;
}
// apply transparency, if any
updateTrans(pData);
// calculate resulting image size
long png_len = 0;
if (!mu::png::dibToPng(m_pBMIH, pData, 0, &png_len) || png_len == 0) {
delete[] pData;
return false;
}
// get the resulting image data
BYTE* pRawPNG = new BYTE[png_len];
png_len = 0;
if (!mu::png::dibToPng(m_pBMIH, pData, pRawPNG, &png_len)) {
delete[] pData;
delete[] pRawPNG;
return false;
}
// write image data to file
FILE* fp = _tfopen(szFileName, _T("wb"));
if (!fp) {
delete[] pData;
delete[] pRawPNG;
return false;
}
fwrite(pRawPNG, 1, png_len, fp);
fclose(fp);
// free buffers
delete[] pRawPNG;
delete[] pData;
return true;
}
void wheel::onWheelScroll ( ui::wheelCore* pWheel, ui::wheelCore::event const& event )
{
updateTrans ();
if ( mObserver )
{
wheel::wheelEvent wEvent;
wEvent.setTimeStamp ( event.mTimeStamp );
wEvent.setBase ( this );
wEvent.setManager ( mUiMgr.get () );
mObserver->onWheelScroll ( wEvent );
}
}
void Animator::update(float elapsed)
{
if (!_mode)
return;
if (_mode & 0x8000) {
_trans_time += _trans_speed * elapsed;
if (_trans_time < 1) {
updateTrans();
return;
}
_mode &= 0x7fff;
if (!_mode || !_speed) {
updateAnim();
_mode = 0;
return;
}
}
//do anim...
_time += _speed * elapsed;
switch (_mode) {
case ANIM_MODE_LOOP:
_time = fmod(_time, _seq_len);
if (_time < 0)
_time += _seq_len;
break;
case ANIM_MODE_PINGPONG:
_time = fmod(_time, _seq_len * 2);
if (_time < 0)
_time += _seq_len * 2;
if (_time >= _seq_len) {
_time = _seq_len - (_time - _seq_len);
_speed = -_speed;
}
break;
case ANIM_MODE_ONESHOT:
if (_time < 0) {
_time = 0;
_mode = 0;
} else if (_time >= _seq_len) {
_time = _seq_len;
_mode = 0;
}
break;
}
updateAnim();
}
