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

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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 * ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla 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/MPL/
 *
 * 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 the Initial Developer are Copyright (C) 1998
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#include "StCaptureView.h"
#include "UGraphicGizmos.h"

// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
//	¥	
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ

StCaptureView::StCaptureView(LView& inView)
	:	mOffscreenMacWorld(nil),
		mView(inView)
{
	Init();

	SDimension16 theViewFrameSize;
	mView.GetFrameSize(theViewFrameSize);
	
	mPortionToCapture.left		= mPortionToCapture.top = 0;
	mPortionToCapture.right		= mPortionToCapture.left + theViewFrameSize.width;
	mPortionToCapture.bottom	= mPortionToCapture.top  + theViewFrameSize.height;
}

// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
//	¥	
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ

StCaptureView::StCaptureView(LView& inView, const Rect& inPortionToCapture)
	:	mOffscreenMacWorld(nil),
		mView(inView),
		mPortionToCapture(inPortionToCapture)
{
	Init();
}

// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
//	¥	
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ

void
StCaptureView::Init()
{
	if (mView.IsActive())
		mActive = triState_On;
		
	if (mView.IsEnabled())
		mEnabled = triState_On;
		
	if (mView.IsVisible())
		mVisible = triState_On;
}

// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
//	¥	
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ

StCaptureView::~StCaptureView()
{
}

// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
//	¥	
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ

void StCaptureView::Capture(CGWorld& ioWorld)
{
	try
	{
		PlaceInSuperFrameAt(-mPortionToCapture.left, -mPortionToCapture.top, false);
		ResizeFrameTo(
						mPortionToCapture.right  - mPortionToCapture.left,
						mPortionToCapture.bottom - mPortionToCapture.top,
						false);

		InstallOccupant(&mView, kAlignNone);

		Rect theSaveFrame = ioWorld.GetBounds();
		if (!ioWorld.BeginDrawing())
		{
			throw memFullErr;
		}

		mOffscreenMacWorld = ioWorld.GetMacGWorld();

		OutOfFocus(nil);
		mView.Draw(nil);
		OutOfFocus(nil);

		ioWorld.EndDrawing();
		ioWorld.UpdateOrigin(topLeft(theSaveFrame));		

		RemoveOccupant();
		mOffscreenMacWorld = nil;
	}
	catch (...)
	{
		RemoveOccupant();
		mOffscreenMacWorld = nil;
		throw;
	}
}

// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
//	¥	
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ

Boolean StCaptureView::EstablishPort(void)
{
	GrafPtr	thisPort = GetMacPort();
	Boolean	portSet = (thisPort != nil);
	if (portSet && (UQDGlobals::GetCurrentPort() != thisPort))
		{
		if (thisPort == (GrafPtr)mOffscreenMacWorld)
			::SetGWorld((GWorldPtr)thisPort, nil);
		else
			::SetPort(thisPort);
		}
	return portSet;
}

// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ
//	¥	
// ÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑÑ

GrafPtr StCaptureView::GetMacPort(void) const
{
	GrafPtr	theMacPort;
	if (mOffscreenMacWorld != nil)
		theMacPort = (GrafPtr)mOffscreenMacWorld;
	else
		theMacPort = LView::GetMacPort();

	return theMacPort;
}