gecko-dev/lib/mac/UserInterface/CGWorld.h

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/* -*- 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):
*/
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//
// This is a replacement class for PowerPlant's LGWorld. It allows for the
// resizing and reorienting of the offscreen world, which LGWorld won't let
// you do. Because the CGWorld can be updated, the pixmap can be made
// purgeable by passing in the pixPurge flag in the constructor. LGWorld
// would let you do this, however, if the pixels ever got purged you'd be
// completely hosed.
//
// This class has ben submitted to metrowerks for a potential replacement
// of LGWorld. In the event that metrowerks adds the extended functionality
// that CGWorld offers, we can make this module obsolete.
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#pragma once
#include <LSharable.h>
#ifndef __QDOFFSCREEN__
#include <QDOffscreen.h>
#endif
class CGWorld
{
public:
CGWorld();
CGWorld(
const Rect& inBounds,
Int16 inPixelDepth = 0,
GWorldFlags inFlags = 0,
CTabHandle inCTableH = nil,
GDHandle inGDeviceH = nil);
~CGWorld();
Boolean BeginDrawing(void);
void EndDrawing(void);
void CopyImage(
GrafPtr inDestPort,
const Rect& inDestRect,
Int16 inXferMode = srcCopy,
RgnHandle inMaskRegion = nil);
GWorldPtr GetMacGWorld(void);
void SetBounds(const Rect &inBounds);
const Rect& GetBounds(void) const;
Boolean IsConsistent(void) const;
void AdjustGWorld(const Rect& inToBounds);
virtual void UpdateBounds(const Rect& inBounds);
void UpdateOrigin(const Point& inOrigin);
protected:
GWorldPtr mMacGWorld;
QDErr mGWorldStatus;
Rect mBounds;
Int16 mDepth;
CGrafPtr mSavePort;
GDHandle mSaveDevice;
};
inline const Rect& CGWorld::GetBounds(void) const
{ return mBounds; }
inline Boolean CGWorld::IsConsistent(void) const
{ return (mGWorldStatus == noErr); }
inline GWorldPtr CGWorld::GetMacGWorld(void)
{ return mMacGWorld; }
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// ¥
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class CSharedWorld : public CGWorld, public LSharable
{
public:
CSharedWorld(
const Rect& inFrame,
Int16 inDepth,
GWorldFlags inFlags);
};