IndexedColour *ColourDragInformation::GetColourForDocument(Document *pDestDoc)
{
// If no document supplied, assume the selected docuemnt is the destination
if (pDestDoc == NULL)
pDestDoc = Document::GetSelected();
// If there is no destination document, or if the colour is transparent, return NULL
if (pDestDoc == NULL || TheColour.IsTransparent())
return(NULL);
// If it's a document colour and already in the destination document, return it
if (pParentDoc == pDestDoc)
return(TheColour.FindParentIndexedColour());
// Copy the dragged colour into a temporary DocColour
DocColour Temp = TheColour;
IndexedColour *TempIxCol = NULL;
// Check if we've got an IndexedColour to use...
if (Temp.FindParentIndexedColour() == NULL)
{
// It's a library colour, so we must create a new IndexedColour to use
TempIxCol = new IndexedColour(Temp);
if (TempIxCol == NULL)
return(NULL); // Failure - return "no colour"
TempIxCol->SetName(ColourName);
if (LibColIsSpot) // If a spot colour, make it so
TempIxCol->SetLinkedParent(TempIxCol->FindLastLinkedParent(), COLOURTYPE_SPOT);
// And make the DocColour reference it
Temp.MakeRefToIndexedColour(TempIxCol);
}
// Ensure the colour (or a safe equivalent) is in the dest doc, by copying/merging it
ColourManager::EnsureColourIsInDocument(pParentDoc, pDestDoc, &Temp);
// And delete any temporary IndexedColour we created
if (TempIxCol != NULL)
delete TempIxCol;
// And finally, return the resulting colour
return(Temp.FindParentIndexedColour());
}
