58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
/*
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* Copyright (C) 2006-2020 Apple Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#import "config.h"
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#import "LocalCurrentGraphicsContext.h"
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#if PLATFORM(IOS_FAMILY)
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#import <pal/ios/UIKitSoftLink.h>
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namespace WebCore {
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LocalCurrentGraphicsContext::LocalCurrentGraphicsContext(GraphicsContext& graphicsContext)
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: m_savedGraphicsContext(graphicsContext)
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{
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m_savedGraphicsContext.save();
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if (!m_savedGraphicsContext.hasPlatformContext()) {
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WTFLogAlways("LocalCurrentGraphicsContext is not setting the global context because the provided GraphicsContext does not have a platform context (likely display list recording)");
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return;
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}
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CGContextRef cgContext = this->cgContext();
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if (cgContext == UIGraphicsGetCurrentContext())
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return;
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UIGraphicsPushContext(cgContext);
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m_didSetGraphicsContext = true;
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}
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LocalCurrentGraphicsContext::~LocalCurrentGraphicsContext()
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{
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if (m_didSetGraphicsContext)
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UIGraphicsPopContext();
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m_savedGraphicsContext.restore();
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}
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}
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#endif // PLATFORM(IOS_FAMILY)
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