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1 /*
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.
8  *
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.
13  *
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.
18  *
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.
23  *
24  */
25 
26 #ifndef PaintPhase_h
27 #define PaintPhase_h
28 
29 namespace blink {
30 
31 /*
32  *  The painting of a layer occurs in three distinct phases.  Each phase involves
33  *  a recursive descent into the layer's render objects. The first phase is the background phase.
34  *  The backgrounds and borders of all blocks are painted.  Inlines are not painted at all.
35  *  Floats must paint above block backgrounds but entirely below inline content that can overlap them.
36  *  In the foreground phase, all inlines are fully painted.  Inline replaced elements will get all
37  *  three phases invoked on them during this phase.
38  */
39 
40 enum PaintPhase {
41     PaintPhaseBlockBackground,
42     PaintPhaseChildBlockBackground,
43     PaintPhaseChildBlockBackgrounds,
44     PaintPhaseFloat,
45     PaintPhaseForeground,
46     PaintPhaseOutline,
47     PaintPhaseChildOutlines,
48     PaintPhaseSelfOutline,
49     PaintPhaseSelection,
50     PaintPhaseCollapsedTableBorders,
51     PaintPhaseTextClip,
52     PaintPhaseMask,
53     PaintPhaseClippingMask,
54 };
55 
56 enum PaintBehaviorFlags {
57     PaintBehaviorNormal = 0,
58     PaintBehaviorSelectionOnly = 1 << 0,
59     PaintBehaviorForceBlackText = 1 << 1,
60     PaintBehaviorFlattenCompositingLayers = 1 << 2,
61     PaintBehaviorRenderingSVGMask = 1 << 3,
62     PaintBehaviorSkipRootBackground = 1 << 4,
63     PaintBehaviorRootBackgroundOnly = 1 << 5
64 };
65 
66 typedef unsigned PaintBehavior;
67 
68 } // namespace blink
69 
70 #endif // PaintPhase_h
71