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

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2.4 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
// 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;
// ---------------------------------------------------------------------------
// ¥ 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();
}