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