1/*
2 * Copyright (C) 2003, 2009, 2012 Apple Inc. All rights reserved.
3 * Copyright (C) 2013 Intel Corporation. All rights reserved.
4 *
5 * Portions are Copyright (C) 1998 Netscape Communications Corporation.
6 *
7 * Other contributors:
8 *   Robert O'Callahan <roc+@cs.cmu.edu>
9 *   David Baron <dbaron@fas.harvard.edu>
10 *   Christian Biesinger <cbiesinger@web.de>
11 *   Randall Jesup <rjesup@wgate.com>
12 *   Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
13 *   Josh Soref <timeless@mac.com>
14 *   Boris Zbarsky <bzbarsky@mit.edu>
15 *
16 * This library is free software; you can redistribute it and/or
17 * modify it under the terms of the GNU Lesser General Public
18 * License as published by the Free Software Foundation; either
19 * version 2.1 of the License, or (at your option) any later version.
20 *
21 * This library is distributed in the hope that it will be useful,
22 * but WITHOUT ANY WARRANTY; without even the implied warranty of
23 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
24 * Lesser General Public License for more details.
25 *
26 * You should have received a copy of the GNU Lesser General Public
27 * License along with this library; if not, write to the Free Software
28 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
29 *
30 * Alternatively, the contents of this file may be used under the terms
31 * of either the Mozilla Public License Version 1.1, found at
32 * http://www.mozilla.org/MPL/ (the "MPL") or the GNU General Public
33 * License Version 2.0, found at http://www.fsf.org/copyleft/gpl.html
34 * (the "GPL"), in which case the provisions of the MPL or the GPL are
35 * applicable instead of those above.  If you wish to allow use of your
36 * version of this file only under the terms of one of those two
37 * licenses (the MPL or the GPL) and not to allow others to use your
38 * version of this file under the LGPL, indicate your decision by
39 * deletingthe provisions above and replace them with the notice and
40 * other provisions required by the MPL or the GPL, as the case may be.
41 * If you do not delete the provisions above, a recipient may use your
42 * version of this file under any of the LGPL, the MPL or the GPL.
43 */
44
45#ifndef LayerPaintingInfo_h
46#define LayerPaintingInfo_h
47
48#include "core/rendering/PaintInfo.h"
49#include "platform/geometry/LayoutRect.h"
50
51namespace blink {
52
53class RenderLayer;
54
55enum PaintLayerFlag {
56    PaintLayerHaveTransparency = 1,
57    PaintLayerAppliedTransform = 1 << 1,
58    PaintLayerUncachedClipRects = 1 << 2,
59    PaintLayerPaintingReflection = 1 << 3,
60    PaintLayerPaintingOverlayScrollbars = 1 << 4,
61    PaintLayerPaintingCompositingBackgroundPhase = 1 << 5,
62    PaintLayerPaintingCompositingForegroundPhase = 1 << 6,
63    PaintLayerPaintingCompositingMaskPhase = 1 << 7,
64    PaintLayerPaintingCompositingScrollingPhase = 1 << 8,
65    PaintLayerPaintingOverflowContents = 1 << 9,
66    PaintLayerPaintingRootBackgroundOnly = 1 << 10,
67    PaintLayerPaintingSkipRootBackground = 1 << 11,
68    PaintLayerPaintingChildClippingMaskPhase = 1 << 12,
69    PaintLayerPaintingCompositingAllPhases = (PaintLayerPaintingCompositingBackgroundPhase | PaintLayerPaintingCompositingForegroundPhase | PaintLayerPaintingCompositingMaskPhase)
70};
71
72typedef unsigned PaintLayerFlags;
73
74struct LayerPaintingInfo {
75    LayerPaintingInfo(RenderLayer* inRootLayer, const LayoutRect& inDirtyRect,
76        PaintBehavior inPaintBehavior, const LayoutSize& inSubPixelAccumulation,
77        RenderObject* inPaintingRoot = 0)
78        : rootLayer(inRootLayer)
79        , paintingRoot(inPaintingRoot)
80        , paintDirtyRect(inDirtyRect)
81        , subPixelAccumulation(inSubPixelAccumulation)
82        , paintBehavior(inPaintBehavior)
83        , clipToDirtyRect(true)
84    { }
85    RenderLayer* rootLayer;
86    RenderObject* paintingRoot; // only paint descendants of this object
87    LayoutRect paintDirtyRect; // relative to rootLayer;
88    LayoutSize subPixelAccumulation;
89    PaintBehavior paintBehavior;
90    bool clipToDirtyRect;
91};
92
93} // namespace blink
94
95#endif // LayerPaintingInfo_h
96