//////////////////////////////////////////////////////////////////////////////////
// Sets some default values for the engine based on the current bit depth.
//////////////////////////////////////////////////////////////////////////////////
void CRMEngine::SetDefaults(void)
{
int bpp;
CDXLOG("START: CRMEngine::SetDefaults");
bpp = m_Screen->GetBPP();
switch(bpp) {
case 1:
SetShades(4);
break;
case 16:
SetShades(32);
SetDither(FALSE);
break;
case 24:
case 32:
SetShades(256);
SetDither(FALSE);
break;
default:
SetDither(FALSE);
}
CDXLOG("END: CRMEngine::SetDefaults");
}
void CHalRecordMix::SetDitherDepth( USHORT usDitherDepth )
/////////////////////////////////////////////////////////////////////////////
{
ULONG ulDitherDepth = 0;
// if this call from the driver trying to set the dither depth and the current setting isn't auto, ignore
if( (usDitherDepth > MIXVAL_DITHERDEPTH_COUNT) && (m_usDitherControl != MIXVAL_DITHERDEPTH_AUTO) )
{
m_usDitherDepth = usDitherDepth; // remember for later...
return;
}
// handle the dither depth control changes from the user
switch( usDitherDepth )
{
case MIXVAL_DITHERDEPTH_AUTO:
// The user wants the driver to select the dither depth.
// Next time this device gets started the dither depth will get set.
m_usDitherControl = usDitherDepth;
usDitherDepth = m_usDitherDepth; // saved from above...
break;
case MIXVAL_DITHERDEPTH_8BIT:
m_usDitherControl = usDitherDepth;
usDitherDepth = 8;
break;
case MIXVAL_DITHERDEPTH_16BIT:
m_usDitherControl = usDitherDepth;
usDitherDepth = 16;
break;
case MIXVAL_DITHERDEPTH_20BIT:
m_usDitherControl = usDitherDepth;
usDitherDepth = 20;
break;
case MIXVAL_DITHERDEPTH_24BIT: // Dither is off
m_usDitherControl = usDitherDepth;
usDitherDepth = 24;
break;
}
// We don't update m_usDitherControl if the call came from the driver.
switch( usDitherDepth )
{
case 8: ulDitherDepth = REG_RMIX_DITHERDEPTH_8BITS; break;
case 16: ulDitherDepth = REG_RMIX_DITHERDEPTH_16BITS; break;
case 20: ulDitherDepth = REG_RMIX_DITHERDEPTH_20BITS; break;
default:
case 24:
ulDitherDepth = REG_RMIX_DITHERDEPTH_24BITS;
m_usDitherDepth = 24;
break;
}
m_RegMixControl.Write( ulDitherDepth, REG_RMIX_DITHERDEPTH_MASK );
SetDither( m_bDither ); // update the dither on/off status
}
/********************************************************************************************
> virtual BOOL MakeBitmapExportOptions::RetrieveDefaults()
Author: Colin_Barfoot (Xara Group Ltd) <*****@*****.**>
Created: 29/10/96
Purpose: See BitmapExportInfo for interface details: gets GIF specific preferences
********************************************************************************************/
BOOL MakeBitmapExportOptions::RetrieveDefaults()
{
BOOL ok = FALSE;
if (MaskedFilterExportOptions::RetrieveDefaults())
{
SetDPI(g_Dpi);
SetDepth(g_Depth);
SetDither(g_Dither);
ok = TRUE;
}
return ok;
}
USHORT CHalRecordMix::Open( PHALADAPTER pHalAdapter, PULONG pRecordMixCtl, PULONG pRecordMixStatus )
/////////////////////////////////////////////////////////////////////////////
{
m_pHalAdapter = pHalAdapter;
m_usDeviceID = m_pHalAdapter->GetDeviceID();
m_RegMixControl.Init( pRecordMixCtl );
m_RegMixStatus.Init( pRecordMixStatus );
m_asSource = 0;
SetMute( FALSE );
m_usDitherDepth = 24;
SetDitherDepth( MIXVAL_DITHERDEPTH_AUTO );
SetDither( FALSE );
return( HSTATUS_OK );
}
/********************************************************************************************
> virtual BOOL MaskedFilterExportOptions::RetrieveDefaults()
Author: Colin_Barfoot (Xara Group Ltd) <*****@*****.**>
Created: 29/10/96
Purpose: See BitmapExportOptions for interface details
Notes: Gets MaskedFilter specific preferences (compression mainly)
********************************************************************************************/
BOOL MaskedFilterExportOptions::RetrieveDefaults()
{
if (!BitmapExportOptions::RetrieveDefaults())
return FALSE;
PORTNOTE("BMPFilter", "Remove use of GetDefaultExportDither")
#ifndef EXCLUDE_FROM_XARALX
UINT32 Dither = BMPFilter::GetDefaultExportDither();
ERROR2IF(Dither > 4, FALSE, "Dither Invalid");
#else
UINT32 Dither = 0;
#endif
SetDither((DITHER)Dither);
m_Dither = g_Dither;
m_NumColsInPalette = g_NumColsInPalette;
m_UseSystemColours = g_UseSystemColours;
return TRUE;
}
void C_Fill::LocalFunction(short ID,long P[],_TCHAR *,C_Handler *)
{
switch(ID)
{
case CFIL_SETUP:
Setup(P[0],(short)P[1]);
break;
case CFIL_SETCOLOR:
SetColor(P[0]|(P[1] << 8)|(P[2]<<16));
break;
case CFIL_SETGRADIENT:
SetGradient((short)P[0],(short)P[1]);
break;
case CFIL_SETPERCENT:
SetGradient((short)P[0],(short)P[0]);
break;
case CFIL_SETDITHER:
SetDither((short)P[0],(short)P[1]);
break;
}
}
