//********************************************************************************
void Create16ColorsStdPalette (CPalette& pal)
{
const int nStdColorCount = 20;
CPalette* pPalDefault = CPalette::FromHandle ((HPALETTE) ::GetStockObject (DEFAULT_PALETTE));
if (pPalDefault == NULL)
{
ASSERT (FALSE);
return;
}
const int nColors = 16;
UINT nSize = sizeof(LOGPALETTE) + (sizeof(PALETTEENTRY) * nColors);
LOGPALETTE *pLP = (LOGPALETTE *) new BYTE[nSize];
pLP->palVersion = 0x300;
pLP->palNumEntries = (USHORT) nColors;
pal.CreatePalette (pLP);
delete[] pLP;
PALETTEENTRY palEntry;
int iDest = 0;
for (int i = 0; i < nStdColorCount; i++)
{
if (i < 8 || i >= 12)
{
pPalDefault->GetPaletteEntries (i, 1, &palEntry);
pal.SetPaletteEntries (iDest++, 1, &palEntry);
}
}
}
BOOL CDib::SetPalette( CPalette& palette )
{
if( IsIndexed() )
{
int iColors = 0;
if (!palette.GetObject(sizeof(iColors), &iColors))
{
TRACE("Failed to get num palette colors");
return FALSE;
}
ASSERT(iColors>= 0 && iColors<=256);
// iColors = min(iColors, GetColorTableEntries());
PALETTEENTRY pe[256];
palette.GetPaletteEntries(0, iColors, pe);
RGBQUAD quad[256] = {0};
for (int i = 0; i < iColors; i++)
{
quad[i].rgbRed = pe[i].peRed;
quad[i].rgbGreen = pe[i].peGreen;
quad[i].rgbBlue = pe[i].peBlue;
}
SetColorTable(0, iColors, &(quad[0]));
//update copy of the palette
//GetPalette(m_palette);
}
return TRUE;
}
static int MergePalette( CDC *pDC, LPRGBQUAD pC, int nColors )
{
WORD nOldEntries, nNewEntries;
COLORREF rgb;
int idx, i;
CPalette* pPal = pDC->GetCurrentPalette();
pPal->GetObject( sizeof( nOldEntries ), &nOldEntries );
LPLOGPALETTE lp = (LPLOGPALETTE) new BYTE[ sizeof( LOGPALETTE ) + ( nOldEntries + nColors ) * sizeof ( PALETTEENTRY ) ];
LPPALETTEENTRY pe = lp->palPalEntry;
if( pPal->GetPaletteEntries( 0, nOldEntries, pe ) )
pe += nOldEntries;
for( i = 0, nNewEntries = 0; i < nColors; i++ ) {
rgb = RGB(pC->rgbRed,pC->rgbGreen,pC->rgbBlue);
idx = pPal->GetNearestPaletteIndex( rgb );
pPal->GetPaletteEntries( idx, 1, pe );
if( ( pe->peRed != GetRValue( rgb ) )
|| pe->peGreen != GetGValue( rgb )
|| pe->peBlue != GetBValue( rgb ) )
{
pe->peRed = GetRValue( rgb );
pe->peGreen = GetGValue( rgb );
pe->peBlue = GetBValue( rgb );
pe->peFlags = NULL;
pe++;
nNewEntries++;
}
pC++;
}
if( nNewEntries > 0 ) {
lp->palVersion = PALVERSION;
lp->palNumEntries = nOldEntries + nNewEntries;
CPalette pal, *pOldPal;
pal.CreatePalette( lp );
pOldPal = pDC->SelectPalette( &pal, FALSE );
pDC->RealizePalette();
}
delete lp;
return (int) nNewEntries;
}
void CDib::GetSelectionIndex(COLORREF crColor, UtilWin::CIntArray& selectionArray)
{
selectionArray.RemoveAll();
CPalette palette;
GetPalette(palette);
int nbColor = palette.GetEntryCount();
ASSERT(nbColor >= 0 && nbColor <=256);
PALETTEENTRY pe[256];
palette.GetPaletteEntries(0, nbColor, pe);
for(int i=0; i<nbColor;i++)
{
if( RGB( pe[i].peRed, pe[i].peGreen, pe[i].peBlue) == crColor)
selectionArray.Add(i);
}
}
bool CColorPaletteButton::verifyColor()
{
CDC* dc = GetDC();
ASSERT(dc != NULL);
ASSERT(dc->GetDeviceCaps(RASTERCAPS) & RC_BITBLT);
CRect clientRect;
GetClientRect(&clientRect);
CPoint center((clientRect.left + clientRect.right)/2,(clientRect.top + clientRect.bottom)/2);
COLORREF colorButtonColor = dc->GetPixel(center);
m_appPalette.pushPalette(dc);
PALETTEENTRY paletteEntry;
CPalette* palette = dc->GetCurrentPalette();
ASSERT(palette != NULL);
int numEntries = palette->GetEntryCount();
VERIFY(palette->GetPaletteEntries(m_appPalette.getEditIndex(),1,&paletteEntry) > 0);
COLORREF paletteColor = RGB(paletteEntry.peRed,paletteEntry.peGreen,paletteEntry.peBlue);
bool retval = (colorButtonColor == paletteColor);
m_appPalette.popPalette(dc);
if (!retval)
{
TRACE("CColorPaletteButton::verifyColor() - %s, buttonColor=0x%08x, paletteColor=0x%08x, \n",
retval ? "success" : "failure",colorButtonColor,paletteColor);
}
else
{
TRACE("CColorPaletteButton::verifyColor() - %s, buttonColor=0x%08x, paletteColor=0x%08x, \n",
retval ? "success" : "failure",colorButtonColor,paletteColor);
}
return retval;
}
void CGelDoc::OnGelHueRight()
{
CPalette* pPal = AfxGetPaletteApp()->GetAppPalette();
if (!pPal)
return;
int i;
for (i = 0; i < 256; i++)
{
if (m_abySelection[i])
{
PALETTEENTRY entry;
BYTE k;
pPal->GetPaletteEntries(i, 1, &entry);
k = pPal->GetNearestPaletteIndex(
RGB(entry.peBlue, entry.peRed, entry.peGreen));
m_abyTransform[i] = k;
}
}
SetModifiedFlag();
ApplyGel();
}