зеркало из https://github.com/mozilla/pjs.git
277 строки
8.4 KiB
C++
277 строки
8.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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//
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// This is a replacement class for PowerPlant's LGWorld. It allows for the
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// resizing and reorienting of the offscreen world, which LGWorld won't let
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// you do. Because the CGWorld can be updated, the pixmap can be made
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// purgeable by passing in the pixPurge flag in the constructor. LGWorld
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// would let you do this, however, if the pixels ever got purged you'd be
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// completely hosed.
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//
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// This class has ben submitted to metrowerks for a potential replacement
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// of LGWorld. In the event that metrowerks adds the extended functionality
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// that CGWorld offers, we can make this module obsolete.
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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#ifdef PowerPlant_PCH
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#include PowerPlant_PCH
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#endif
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#include "CGWorld.h"
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#include "UGraphicGizmos.h"
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ CGWorld
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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CGWorld::CGWorld(
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const Rect& inBounds,
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Int16 inPixelDepth,
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GWorldFlags inFlags,
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CTabHandle inCTableH,
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GDHandle inGDeviceH)
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{
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::GetGWorld(&mSavePort, &mSaveDevice);
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mMacGWorld = nil;
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mBounds = inBounds;
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mDepth = inPixelDepth;
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// NewGWorld interprets the bounds in global coordinates
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// when specifying a zero pixel depth. It uses the maximum
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// depth of all screen devices intersected by the bounds.
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Rect gwRect = inBounds;
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if (inPixelDepth == 0)
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{
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LocalToGlobal(&topLeft(gwRect));
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LocalToGlobal(&botRight(gwRect));
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}
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mGWorldStatus = ::NewGWorld(&mMacGWorld, inPixelDepth, &gwRect,
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inCTableH, inGDeviceH, inFlags);
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ThrowIfOSErr_(mGWorldStatus);
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ThrowIfNil_(mMacGWorld);
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// Set up coordinates and erase pixels in GWorld
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::SetGWorld(mMacGWorld, nil);
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::SetOrigin(mBounds.left, mBounds.top);
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::LockPixels(::GetGWorldPixMap(mMacGWorld));
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::EraseRect(&mBounds);
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::UnlockPixels(::GetGWorldPixMap(mMacGWorld));
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::SetGWorld(mSavePort, mSaveDevice);
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ CGWorld
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// This does not initialize the GWorld. Must be overriden.
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CGWorld::CGWorld()
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{
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ ~CGWorld
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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CGWorld::~CGWorld()
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{
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if (mMacGWorld != nil)
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::DisposeGWorld(mMacGWorld);
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ BeginDrawing
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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Boolean CGWorld::BeginDrawing(void)
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{
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Boolean bReadyToDraw = false;
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// The mac GWolrd will be inconsistent if a previous call to UpdateGWorld()
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// has failed. We get one more shot a fixing that here before we draw.
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if (!IsConsistent())
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AdjustGWorld(mBounds);
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if (IsConsistent())
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{
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if (!::LockPixels(::GetGWorldPixMap(mMacGWorld)))
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{
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// This means we're consistentlty sized and oriented, but our pixMap
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// data has been purged.
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AdjustGWorld(mBounds);
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if (IsConsistent())
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bReadyToDraw = ::LockPixels(::GetGWorldPixMap(mMacGWorld));
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}
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else
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bReadyToDraw = true;
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}
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if (bReadyToDraw)
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{
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::GetGWorld(&mSavePort, &mSaveDevice);
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::SetGWorld(mMacGWorld, nil);
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}
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return bReadyToDraw;
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ EndDrawing
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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void CGWorld::EndDrawing(void)
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{
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Assert_(IsConsistent()); // You should have noticed that
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// BeginDrawing() returned false
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::UnlockPixels(::GetGWorldPixMap(mMacGWorld));
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::SetGWorld(mSavePort, mSaveDevice);
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ CopyImage
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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void CGWorld::CopyImage(
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GrafPtr inDestPort,
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const Rect& inDestRect,
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Int16 inXferMode,
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RgnHandle inMaskRegion)
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{
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::CopyBits(&((GrafPtr)mMacGWorld)->portBits,
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&inDestPort->portBits,
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&mBounds, &inDestRect, inXferMode, inMaskRegion);
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ SetBounds
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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void CGWorld::SetBounds(const Rect &inBounds)
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{
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if (::EqualRect(&inBounds, &mBounds))
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return;
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UpdateBounds(inBounds);
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// Note that even if we're not consistent, we still remember the bounds so that
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// the next time through BeginDrawing() we can attempt to realloc for the
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// size it's supposed to be.
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mBounds = inBounds;
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// We've reallocted successfully. Now lets get the origin set properly.
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if (IsConsistent())
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UpdateOrigin(topLeft(mBounds));
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ AdjustGWorld
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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void CGWorld::AdjustGWorld(const Rect& inBounds)
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{
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UpdateBounds(inBounds);
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if (IsConsistent())
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UpdateOrigin(topLeft(inBounds));
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ UpdateBounds
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//
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// Internal method which is called when the offscreen world needs to change
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// it's dimensions.
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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void CGWorld::UpdateBounds(const Rect& inBounds)
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{
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Rect theNewBounds;
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if (mDepth == 0)
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{
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theNewBounds = inBounds;
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::LocalToGlobal(&topLeft(theNewBounds));
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::LocalToGlobal(&botRight(theNewBounds));
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}
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else
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theNewBounds = inBounds;
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GWorldFlags theFlags = ::UpdateGWorld(&mMacGWorld, mDepth, &theNewBounds, NULL, NULL, 0);
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if (theFlags & gwFlagErr)
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mGWorldStatus = ::QDError();
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else
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mGWorldStatus = noErr;
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥ UpdateOrigin
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//
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// Internal method in which the origin on the offscreen world needs to be
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// offset to match the on-screen representation.
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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void CGWorld::UpdateOrigin(const Point& inOrigin)
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{
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::GetGWorld(&mSavePort, &mSaveDevice);
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::SetGWorld(mMacGWorld, nil);
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::SetOrigin(inOrigin.h, inOrigin.v);
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::SetGWorld(mSavePort, mSaveDevice);
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}
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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// ¥
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// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
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CSharedWorld::CSharedWorld(
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const Rect& inFrame,
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Int16 inDepth,
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GWorldFlags inFlags)
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: CGWorld(inFrame, inDepth, inFlags)
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{
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}
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