// Sets the HMS readouts for the histo dialog based on the histogram control!
void CHistogramDlg::histo_set_HMSvalues()
{
HWND hHisto;
LPDWORD lpHisto;
BOOL bInv;
LONG lTotal;
int iHisto;
int i,j, start, end;
int marks[HISTOMARKS];
LONG sums[HISTOMARKS+1];
double percents[HISTOMARKS+1];
LONG sum;
int add;
char szDouble[30];
HWND hDlg = GetSafeHwnd();
lpHisto = get_histo(m_lpHistos, m_wChannel, &bInv, &iHisto);
if (!lpHisto)
return;
lTotal = m_lTotals[iHisto];
hHisto = ::GetDlgItem(hDlg, IDC_HISTOGRAM);
// get the marks
for (i=0;i<HISTOMARKS;i++)
{
marks[i] = Histo_GetMark(hHisto, i);
}
// get the three sums
end = bInv ? 255:0;
add = bInv ? -1:1;
for (i=0;i<=HISTOMARKS;i++)
{
start = end;
if (i >= HISTOMARKS)
end = bInv ? 0:255;
else
end = bInv ? (255-marks[i]):marks[i];
sum = 0L;
for (j=start;j*add<end*add;j += add)
sum += lpHisto[j];
sums[i] = sum;
}
// scale if needed
if (lTotal > 0x100000)
{
lTotal >>= 8L;
for (i=0;i<=HISTOMARKS;i++)
sums[i] >>= 8L;
}
// Updates the display.
void CHistogramDlg::set_histo_channel()
{
HWND hHisto, hTags;
BOOL bInv, bMakeTotals;
LPDWORD lpHisto;
int i, j, iHisto;
LONG sum;
LONG lMaxEntry;
LPDWORD lpdw;
char szNum[40];
HWND hDlg = GetSafeHwnd();
bMakeTotals = (m_lpHistos[0] == NULL);
lpHisto = get_histo(m_lpHistos, m_wChannel, &bInv, &iHisto);
if (!lpHisto)
return;
// need to compute totals?
if (bMakeTotals)
{
for (j=0;j<5;j++)
{
lpdw = m_lpHistos[j];
sum = 0L;
for (i=0;i<256;i++)
sum += *lpdw++;
m_lTotals[j] = sum;
}
}
// setup the histo control
lMaxEntry = compute_yscale(lpHisto);
hHisto = ::GetDlgItem(hDlg, IDC_HISTOGRAM);
Histo_Init(hHisto, lpHisto, lMaxEntry, HISTOMARKS, bInv ? HTS_FLIPX:0);
// reset marks based on tag
hTags = ::GetDlgItem(hDlg, IDC_TAGS);
i = Tag_GetMark(hTags,0);
Histo_SetMark(hHisto, 0, i, NO);
i = Tag_GetMark(hTags,1);
Histo_SetMark(hHisto, 1, i, NO);
// setup the gradient
set_gradient(IDC_HISTO_GRAD, m_wChannel);
// setup readouts
::SetDlgItemText(hDlg, IDC_HISTO_TOTAL, ltoa(m_lTotals[iHisto],szNum,10));
::SetDlgItemText(hDlg, IDC_HISTO_POS, (LPSTR)"");
::SetDlgItemText(hDlg, IDC_HISTO_VALUE, (LPSTR)"");
histo_set_HMSvalues();
}
//-----------------------------------------------------------------------------------------
// Get FACS data and histogram data
//-----------------------------------------------------------------------------------------
void ExecThread::getFACS()
{
// LOG_MSG("get_nfacs");
get_nfacs(&Global::nFACS_cells);
if (!Global::FACS_data || Global::nFACS_cells*Global::nvars_used > Global::nFACS_dim) {
if (Global::FACS_data) free(Global::FACS_data);
Global::nFACS_dim = 3*Global::nFACS_cells*Global::nvars_used; // 3* to avoid excessive malloc/free
Global::FACS_data = (double *)malloc(Global::nFACS_dim*sizeof(double));
}
// LOG_MSG("get_facs");
get_facs(Global::FACS_data);
if (!Global::histo_data || Global::nhisto_bins*Global::nvars_used > Global::nhisto_dim) {
if (Global::histo_data) free(Global::histo_data);
if (Global::histo_data_log) free(Global::histo_data_log);
Global::nhisto_dim = 6*Global::nhisto_bins*Global::nvars_used; // 2*3 to avoid excessive malloc/free (only 3* used)
Global::histo_data = (double *)malloc(Global::nhisto_dim*sizeof(double));
Global::histo_data_log = (double *)malloc(Global::nhisto_dim*sizeof(double));
}
// LOG_MSG("get_histo");
get_histo(Global::nhisto_bins, Global::histo_data, Global::histo_vmin, Global::histo_vmax,
Global::histo_data_log, Global::histo_vmin_log, Global::histo_vmax_log);
// LOG_MSG("did get_histo");
}
// Uses Mapping.Quarter_HSacrifice & Mapping.Quarter_SSacrifice
// to set the highlights midtones and shaddows.
void CToneBalanceDlg::set_sacrifice(LPQUARTERSTRUCT lpData, WORD wChannel)
{
LPMAP lpMap;
LPDWORD lpHisto;
BOOL bInv;
LONG lSum, lSearch, lTotal;
int hi, lo, i;
// get the map & set its invert flags
lpMap = tone_activate_channel( wChannel );
lpHisto = get_histo(lpData->lpHistos, wChannel, &bInv);
// determine initail values
hi = 170;
lo = 85;
if (lpHisto)
{
// Find the total of all entries to scale
lTotal = 0;
for ( i=0; i<256; i++ )
lTotal += lpHisto[i];
// find the sacrafice
lSearch = bInv ? m_nHSacrifice:m_nSSacrifice;
lSearch = FMUL( lTotal, FGET( lSearch, 100 ) );
lSum = -1;
for ( i=0; i<255; i++ )
{
lSum += lpHisto[i];
if ( lSum >= lSearch )
break;
}
lo = i;
// find the sacrafice
lSearch = bInv ? m_nSSacrifice:m_nHSacrifice;
lSearch = FMUL( lTotal, FGET( lSearch, 100 ) );
lSum = -1;
for ( i=255; i>0; i-- )
{
lSum += lpHisto[i];
if ( lSum >= lSearch )
break;
}
hi = i;
}
if (bInv)
{
hi = 255-hi;
lo = 255-lo;
}
i = lo;
lo = min(lo,hi);
hi = max(i,hi);
// setup the map
if (wChannel == IDC_DO_ALL)
ResetMapEx( lpMap, 3, NO, YES);
else
ResetMap( lpMap, 3, NO );
lpMap->Pnt[0].x = lo;
lpMap->Pnt[1].x = lo + (hi-lo)/2;
lpMap->Pnt[2].x = hi;
}
//************************************************************************
// set_quarter_channel
// DESCRIPTION:
// Makes the given channel the current channel.
// Updates the display.
//************************************************************************
VOID CToneBalanceDlg::set_quarter_channel(WORD wChannel)
//************************************************************************
{
LPDWORD lpHisto;
HWND hControl;
BOOL bInv;
LONG lMaxEntry;
int icons[3];
HWND hDlg = GetSafeHwnd();
m_lpData->lpMap = tone_activate_channel( wChannel );
lpHisto = get_histo(m_lpData->lpHistos, wChannel, &bInv);
// setup the histo control
lMaxEntry = compute_yscale(lpHisto);
hControl = ::GetDlgItem(hDlg, IDC_HISTOGRAM);
Histo_Init(hControl, lpHisto, lMaxEntry, 3, bInv ? HTS_FLIPX:0);
m_lpData->iShadow = m_lpData->lpMap->Pnt[0].x;
m_lpData->iMidtone = m_lpData->lpMap->Pnt[1].x;
m_lpData->iHighlight = m_lpData->lpMap->Pnt[2].x;
if (!(m_lpData->iHighlight - m_lpData->iShadow))
m_lpData->MidtonePer = 0;
else
m_lpData->MidtonePer = (m_lpData->iMidtone - m_lpData->iShadow)*255/
(m_lpData->iHighlight - m_lpData->iShadow);
Histo_SetMark(hControl, 0, m_lpData->lpMap->Pnt[0].x, NO);
Histo_SetMark(hControl, 1, m_lpData->lpMap->Pnt[1].x, NO);
Histo_SetMark(hControl, 2, m_lpData->lpMap->Pnt[2].x, NO);
// some people seem to have an update problem here
::InvalidateRect (hControl,NULL,FALSE);
// setup tags
hControl = ::GetDlgItem(hDlg, IDC_TAGS);
icons[0] = IDC_QUART1;
icons[1] = IDC_QUART2;
icons[2] = IDC_QUART3;
Tag_Init(hControl, 3, 255, &icons[0]);
Tag_SetMark(hControl, 0, m_lpData->lpMap->Pnt[0].x, NO);
Tag_SetMark(hControl, 1, m_lpData->lpMap->Pnt[1].x, NO);
Tag_SetMark(hControl, 2, m_lpData->lpMap->Pnt[2].x, NO);
// some people seem to have an update problem here
::InvalidateRect (hControl,NULL,FALSE);
set_gradient(IDC_HISTO_GRAD, wChannel);
// spins
InitDlgItemSpin(hDlg, IDC_QUART1_VALUE, TO_DISPLAY(m_lpData->lpMap->Pnt[0].x), NO, 0, MAX_SPIN);
InitDlgItemSpin(hDlg, IDC_QUART3_VALUE, TO_DISPLAY(m_lpData->lpMap->Pnt[2].x), NO, 0, MAX_SPIN);
if (m_bUseMidPer)
InitDlgItemSpin(hDlg, IDC_QUART2_VALUE, m_lpData->MidtonePer*100L/255, NO, 0, MAX_SPIN );
else
InitDlgItemSpin(hDlg, IDC_QUART2_VALUE, TO_DISPLAY(m_lpData->lpMap->Pnt[1].x), NO, 0, MAX_SPIN );
InitDlgItemSpin(hDlg, IDC_MINHIGHLIGHT, TO_DISPLAY(m_lpData->lpMap->Pnt[2].y), NO, 0, MAX_SPIN);
InitDlgItemSpin(hDlg, IDC_MAXSHADOW, TO_DISPLAY(m_lpData->lpMap->Pnt[0].y), NO, 0, MAX_SPIN);
}
