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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /WebCore/platform/graphics/qt/TransparencyLayer.h
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'WebCore/platform/graphics/qt/TransparencyLayer.h')
-rw-r--r--WebCore/platform/graphics/qt/TransparencyLayer.h86
1 files changed, 0 insertions, 86 deletions
diff --git a/WebCore/platform/graphics/qt/TransparencyLayer.h b/WebCore/platform/graphics/qt/TransparencyLayer.h
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--- a/WebCore/platform/graphics/qt/TransparencyLayer.h
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@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2006 Dirk Mueller <mueller@kde.org>
- * Copyright (C) 2006 Zack Rusin <zack@kde.org>
- * Copyright (C) 2006 George Staikos <staikos@kde.org>
- * Copyright (C) 2006 Simon Hausmann <hausmann@kde.org>
- * Copyright (C) 2006 Allan Sandfeld Jensen <sandfeld@kde.org>
- * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
- * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies).
- * Copyright (C) 2008 Dirk Schulze <vbs85@gmx.de>
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef TransparencyLayer_h
-#define TransparencyLayer_h
-
-#include <QPaintEngine>
-#include <QPainter>
-#include <QPixmap>
-
-namespace WebCore {
-
-struct TransparencyLayer : FastAllocBase {
- TransparencyLayer(const QPainter* p, const QRect &rect, qreal opacity, QPixmap& alphaMask)
- : pixmap(rect.width(), rect.height())
- , opacity(opacity)
- , alphaMask(alphaMask)
- , saveCounter(1) // see the comment for saveCounter
- {
- offset = rect.topLeft();
- pixmap.fill(Qt::transparent);
- painter.begin(&pixmap);
- painter.setRenderHints(p->renderHints());
- painter.translate(-offset);
- painter.setPen(p->pen());
- painter.setBrush(p->brush());
- painter.setTransform(p->transform(), true);
- painter.setOpacity(p->opacity());
- painter.setFont(p->font());
- if (painter.paintEngine()->hasFeature(QPaintEngine::PorterDuff))
- painter.setCompositionMode(p->compositionMode());
- }
-
- TransparencyLayer()
- {
- }
-
- QPixmap pixmap;
- QPoint offset;
- QPainter painter;
- qreal opacity;
- // for clipToImageBuffer
- QPixmap alphaMask;
- // saveCounter is only used in combination with alphaMask
- // otherwise, its value is unspecified
- int saveCounter;
-private:
- TransparencyLayer(const TransparencyLayer &) {}
- TransparencyLayer & operator=(const TransparencyLayer &) { return *this; }
-};
-
-} // namespace WebCore
-
-#endif // TransparencyLayer_h