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