2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
6 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
7 * Copyright (C) 2009 Google Inc. All rights reserved.
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Library General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Library General Public License for more details.
19 * You should have received a copy of the GNU Library General Public License
20 * along with this library; see the file COPYING.LIB. If not, write to
21 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 * Boston, MA 02110-1301, USA.
30 #include "core/rendering/PaintPhase.h"
31 #include "platform/geometry/IntRect.h"
32 #include "platform/geometry/LayoutRect.h"
33 #include "platform/graphics/GraphicsContext.h"
34 #include "platform/graphics/GraphicsContextStateSaver.h"
35 #include "platform/transforms/AffineTransform.h"
36 #include "wtf/HashMap.h"
37 #include "wtf/ListHashSet.h"
42 class RenderLayerModelObject;
46 typedef HashMap<RenderWidget*, IntRect> OverlapTestRequestMap;
49 * Paint the object and its children, clipped by (x|y|w|h).
50 * (tx|ty) is the calculated position of the parent
53 PaintInfo(GraphicsContext* newContext, const IntRect& newRect, PaintPhase newPhase, PaintBehavior newPaintBehavior,
54 RenderObject* newPaintingRoot = 0, ListHashSet<RenderInline*>* newOutlineObjects = 0,
55 const RenderLayerModelObject* newPaintContainer = 0)
59 , paintBehavior(newPaintBehavior)
60 , paintingRoot(newPaintingRoot)
61 , m_paintContainer(newPaintContainer)
62 , m_outlineObjects(newOutlineObjects)
66 void updatePaintingRootForChildren(const RenderObject* renderer)
71 // If we're the painting root, kids draw normally, and see root of 0.
72 if (paintingRoot == renderer) {
78 bool shouldPaintWithinRoot(const RenderObject* renderer) const
80 return !paintingRoot || paintingRoot == renderer;
83 bool forceBlackText() const { return paintBehavior & PaintBehaviorForceBlackText; }
85 bool skipRootBackground() const { return paintBehavior & PaintBehaviorSkipRootBackground; }
86 bool paintRootBackgroundOnly() const { return paintBehavior & PaintBehaviorRootBackgroundOnly; }
88 void applyTransform(const AffineTransform& localToAncestorTransform,
89 GraphicsContextStateSaver* stateSaver = 0)
91 if (localToAncestorTransform.isIdentity())
95 stateSaver->saveIfNeeded();
97 context->concatCTM(localToAncestorTransform);
99 if (rect == infiniteRect())
102 if (localToAncestorTransform.isInvertible())
103 rect = localToAncestorTransform.inverse().mapRect(rect);
105 rect.setSize(IntSize(0, 0));
108 static IntRect infiniteRect() { return IntRect(LayoutRect::infiniteRect()); }
109 const RenderLayerModelObject* paintContainer() const { return m_paintContainer; }
111 ListHashSet<RenderInline*>* outlineObjects() { return m_outlineObjects; }
112 void setOutlineObjects(ListHashSet<RenderInline*>* objects) { m_outlineObjects = objects; }
114 // FIXME: Introduce setters/getters at some point. Requires a lot of changes throughout rendering/.
115 GraphicsContext* context;
118 PaintBehavior paintBehavior;
119 RenderObject* paintingRoot; // used to draw just one element and its visual kids
122 const RenderLayerModelObject* m_paintContainer; // the layer object that originates the current painting
123 ListHashSet<RenderInline*>* m_outlineObjects; // used to list outlines that should be painted by a block with inline children
128 #endif // PaintInfo_h