gecko-dev/lib/mac/UserInterface/CColorEraseAttachment.cp

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//	CColorEraseAttachment exists solely to provide stream-based access
//	to LColorEraseAttachment.

#include "CColorEraseAttachment.h"

#include <LStream.h>
#include <UDrawingState.h>

// ---------------------------------------------------------------------------
//		[static data members
// ---------------------------------------------------------------------------

PenState	CColorEraseAttachment::sDummyPenState;

// ---------------------------------------------------------------------------
//		<09> CColorEraseAttachment
// --------------------------------------------------------------------------- 	

CColorEraseAttachment::CColorEraseAttachment(
	LStream*	inStream)
	:	super(&sDummyPenState, nil, nil, true)
{
	Boolean		hostOwnsMe;

	// Read the fore and back colors from the stream
	
	ThrowIfNil_(inStream);
	
	// Read the data from the stream
	
	inStream->ReadData(&mMessage,		sizeof(mMessage));
	inStream->ReadData(&mExecuteHost,	sizeof(mExecuteHost));
	inStream->ReadData(&hostOwnsMe,		sizeof(hostOwnsMe));
	inStream->ReadData(&mForeColor,		sizeof(mForeColor));
	inStream->ReadData(&mBackColor,		sizeof(mBackColor));
	
	mOwnerHost = nil;
	
	LAttachable	*host = LAttachable::GetDefaultAttachable();
	if (host != nil)
	{
		host->AddAttachment(this, nil, hostOwnsMe);
	}
	
	// We ignore the message in the stream. It must *always* be msg_DrawOrPrint
	
	mMessage = msg_DrawOrPrint;

	// Adjust the pen state
	
	LPane* theHostPane = dynamic_cast<LPane*>(host);
	ThrowIfNil_(theHostPane);
	
	GrafPtr thePort = theHostPane->GetMacPort();
	ThrowIfNil_(thePort);
	
	StColorPortState theColorPortState(thePort);
	StColorPortState::Normalize();
}