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86 lines
3.0 KiB
C++
86 lines
3.0 KiB
C++
/*
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* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
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* (C) 2000 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Dirk Mueller (mueller@kde.org)
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* (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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* Copyright (C) 2009 Google Inc. All rights reserved.
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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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*/
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#ifndef SKY_ENGINE_CORE_RENDERING_PAINTINFO_H_
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#define SKY_ENGINE_CORE_RENDERING_PAINTINFO_H_
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#include <limits>
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#include "flutter/sky/engine/platform/geometry/IntRect.h"
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#include "flutter/sky/engine/platform/geometry/LayoutRect.h"
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#include "flutter/sky/engine/platform/graphics/GraphicsContext.h"
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#include "flutter/sky/engine/platform/transforms/AffineTransform.h"
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#include "flutter/sky/engine/wtf/HashMap.h"
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#include "flutter/sky/engine/wtf/ListHashSet.h"
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namespace blink {
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class RenderBox;
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class RenderInline;
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class RenderObject;
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/*
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* Paint the object and its children, clipped by (x|y|w|h).
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* (tx|ty) is the calculated position of the parent
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*/
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struct PaintInfo {
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PaintInfo(GraphicsContext* newContext, const IntRect& newRect,
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const RenderBox* newPaintContainer)
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: context(newContext)
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, rect(newRect)
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, m_paintContainer(newPaintContainer)
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{
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}
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void applyTransform(const AffineTransform& localToAncestorTransform, bool identityStatusUnknown = true)
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{
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if (identityStatusUnknown && localToAncestorTransform.isIdentity())
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return;
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context->concatCTM(localToAncestorTransform);
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if (rect == infiniteRect())
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return;
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if (localToAncestorTransform.isInvertible())
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rect = localToAncestorTransform.inverse().mapRect(rect);
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else
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rect.setSize(IntSize(0, 0));
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}
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static IntRect infiniteRect() { return IntRect(LayoutRect::infiniteRect()); }
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const RenderBox* paintContainer() const { return m_paintContainer; }
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// FIXME: Introduce setters/getters at some point. Requires a lot of changes throughout rendering/.
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GraphicsContext* context;
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IntRect rect;
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private:
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const RenderBox* m_paintContainer; // the layer object that originates the current painting
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};
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} // namespace blink
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#endif // SKY_ENGINE_CORE_RENDERING_PAINTINFO_H_
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