/***********************************************************************
* GDISelectPalette (Not a Windows API)
*/
HPALETTE WINAPI GDISelectPalette( HDC hdc, HPALETTE hpal, WORD wBkg)
{
HPALETTE ret = 0;
DC *dc;
TRACE("%p %p\n", hdc, hpal );
hpal = get_full_gdi_handle( hpal );
if (GetObjectType(hpal) != OBJ_PAL)
{
WARN("invalid selected palette %p\n",hpal);
return 0;
}
if ((dc = get_dc_ptr( hdc )))
{
PHYSDEV physdev = GET_DC_PHYSDEV( dc, pSelectPalette );
ret = dc->hPalette;
if (physdev->funcs->pSelectPalette( physdev, hpal, FALSE ))
{
dc->hPalette = hpal;
if (!wBkg) hPrimaryPalette = hpal;
}
else ret = 0;
release_dc_ptr( dc );
}
return ret;
}
/***********************************************************************
* SetPaletteEntries [GDI32.@]
*
* Sets color values for range in palette.
*
* RETURNS
* Success: Number of entries that were set
* Failure: 0
*/
UINT WINAPI SetPaletteEntries(
HPALETTE hpalette, /* [in] Handle of logical palette */
UINT start, /* [in] Index of first entry to set */
UINT count, /* [in] Number of entries to set */
const PALETTEENTRY *entries) /* [in] Address of array of structures */
{
PALETTEOBJ * palPtr;
UINT numEntries;
TRACE("hpal=%p,start=%i,count=%i\n",hpalette,start,count );
hpalette = get_full_gdi_handle( hpalette );
if (hpalette == GetStockObject(DEFAULT_PALETTE)) return 0;
palPtr = GDI_GetObjPtr( hpalette, OBJ_PAL );
if (!palPtr) return 0;
numEntries = palPtr->count;
if (start >= numEntries)
{
GDI_ReleaseObj( hpalette );
return 0;
}
if (start+count > numEntries) count = numEntries - start;
memcpy( &palPtr->entries[start], entries, count * sizeof(PALETTEENTRY) );
GDI_ReleaseObj( hpalette );
UnrealizeObject( hpalette );
return count;
}
/***********************************************************************
* AnimatePalette [GDI32.@]
*
* Replaces entries in logical palette.
*
* RETURNS
* Success: TRUE
* Failure: FALSE
*
* FIXME
* Should use existing mapping when animating a primary palette
*/
BOOL WINAPI AnimatePalette(
HPALETTE hPal, /* [in] Handle to logical palette */
UINT StartIndex, /* [in] First entry in palette */
UINT NumEntries, /* [in] Count of entries in palette */
const PALETTEENTRY* PaletteColors) /* [in] Pointer to first replacement */
{
TRACE("%p (%i - %i)\n", hPal, StartIndex,StartIndex+NumEntries);
hPal = get_full_gdi_handle( hPal );
if( hPal != GetStockObject(DEFAULT_PALETTE) )
{
PALETTEOBJ * palPtr;
UINT pal_entries;
const PALETTEENTRY *pptr = PaletteColors;
palPtr = GDI_GetObjPtr( hPal, OBJ_PAL );
if (!palPtr) return FALSE;
pal_entries = palPtr->count;
if (StartIndex >= pal_entries)
{
GDI_ReleaseObj( hPal );
return FALSE;
}
if (StartIndex+NumEntries > pal_entries) NumEntries = pal_entries - StartIndex;
for (NumEntries += StartIndex; StartIndex < NumEntries; StartIndex++, pptr++) {
/* According to MSDN, only animate PC_RESERVED colours */
if (palPtr->entries[StartIndex].peFlags & PC_RESERVED) {
TRACE("Animating colour (%d,%d,%d) to (%d,%d,%d)\n",
palPtr->entries[StartIndex].peRed,
palPtr->entries[StartIndex].peGreen,
palPtr->entries[StartIndex].peBlue,
pptr->peRed, pptr->peGreen, pptr->peBlue);
palPtr->entries[StartIndex] = *pptr;
} else {
TRACE("Not animating entry %d -- not PC_RESERVED\n", StartIndex);
}
}
GDI_ReleaseObj( hPal );
/* FIXME: check for palette selected in active window */
}
return TRUE;
}
/******************************************************************
* EMFDRV_AddHandle
*/
static UINT EMFDRV_AddHandle( PHYSDEV dev, HGDIOBJ obj )
{
EMFDRV_PDEVICE *physDev = get_emf_physdev( dev );
UINT index;
for(index = 0; index < physDev->handles_size; index++)
if(physDev->handles[index] == 0) break;
if(index == physDev->handles_size) {
physDev->handles_size += HANDLE_LIST_INC;
physDev->handles = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
physDev->handles,
physDev->handles_size * sizeof(physDev->handles[0]));
}
physDev->handles[index] = get_full_gdi_handle( obj );
physDev->cur_handles++;
if(physDev->cur_handles > physDev->emh->nHandles)
physDev->emh->nHandles++;
return index + 1; /* index 0 is reserved for the hmf, so we increment everything by 1 */
}
