1 files changed, 53 insertions, 0 deletions
diff --git a/WebCore/platform/mac/LocalCurrentGraphicsContext.mm b/WebCore/platform/mac/LocalCurrentGraphicsContext.mm
new file mode 100644
index 0000000..756d353
--- /dev/null
+++ b/WebCore/platform/mac/LocalCurrentGraphicsContext.mm
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2006 Apple Computer, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "LocalCurrentGraphicsContext.h"
+
+#include "GraphicsContext.h"
+#include <AppKit/NSGraphicsContext.h>
+
+namespace WebCore {
+
+LocalCurrentGraphicsContext::LocalCurrentGraphicsContext(GraphicsContext* graphicsContext)
+{
+    m_savedGraphicsContext = graphicsContext;
+    graphicsContext->save();
+    
+    if (graphicsContext->platformContext() == [[NSGraphicsContext currentContext] graphicsPort]) {
+        m_savedNSGraphicsContext = 0;
+        return;
+    }
+    
+    m_savedNSGraphicsContext = [[NSGraphicsContext currentContext] retain];
+    NSGraphicsContext* newContext = [NSGraphicsContext graphicsContextWithGraphicsPort:graphicsContext->platformContext() flipped:YES];
+    [NSGraphicsContext setCurrentContext:newContext];
+}
+
+LocalCurrentGraphicsContext::~LocalCurrentGraphicsContext()
+{
+    m_savedGraphicsContext->restore();
+
+    if (m_savedNSGraphicsContext) {
+        [NSGraphicsContext setCurrentContext:m_savedNSGraphicsContext];
+        [m_savedNSGraphicsContext release];
+    }
+}
+
+}