1/*
2 * Copyright (C) 2006 Apple Computer, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB.  If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20#include "config.h"
21#include "LocalCurrentGraphicsContext.h"
22
23#include "GraphicsContext.h"
24#include <AppKit/NSGraphicsContext.h>
25
26namespace WebCore {
27
28LocalCurrentGraphicsContext::LocalCurrentGraphicsContext(GraphicsContext* graphicsContext)
29{
30    m_savedGraphicsContext = graphicsContext;
31    graphicsContext->save();
32
33    if (graphicsContext->platformContext() == [[NSGraphicsContext currentContext] graphicsPort]) {
34        m_savedNSGraphicsContext = 0;
35        return;
36    }
37
38    m_savedNSGraphicsContext = [[NSGraphicsContext currentContext] retain];
39    NSGraphicsContext* newContext = [NSGraphicsContext graphicsContextWithGraphicsPort:graphicsContext->platformContext() flipped:YES];
40    [NSGraphicsContext setCurrentContext:newContext];
41}
42
43LocalCurrentGraphicsContext::~LocalCurrentGraphicsContext()
44{
45    m_savedGraphicsContext->restore();
46
47    if (m_savedNSGraphicsContext) {
48        [NSGraphicsContext setCurrentContext:m_savedNSGraphicsContext];
49        [m_savedNSGraphicsContext release];
50    }
51}
52
53}
54