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 (at) fas.harvard.edu> 10 * Christian Biesinger <cbiesinger (at) web.de> 11 * Randall Jesup <rjesup (at) wgate.com> 12 * Roland Mainz <roland.mainz (at) informatik.med.uni-giessen.de> 13 * Josh Soref <timeless (at) mac.com> 14 * Boris Zbarsky <bzbarsky (at) 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 51 namespace WebCore { 52 53 class RenderLayer; 54 55 enum PaintLayerFlag { 56 PaintLayerHaveTransparency = 1, 57 PaintLayerAppliedTransform = 1 << 1, 58 PaintLayerTemporaryClipRects = 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 72 typedef unsigned PaintLayerFlags; 73 74 struct LayerPaintingInfo { 75 LayerPaintingInfo(RenderLayer* inRootLayer, const LayoutRect& inDirtyRect, 76 PaintBehavior inPaintBehavior, const LayoutSize& inSubPixelAccumulation, 77 RenderObject* inPaintingRoot = 0, RenderRegion*inRegion = 0, 78 OverlapTestRequestMap* inOverlapTestRequests = 0) 79 : rootLayer(inRootLayer) 80 , paintingRoot(inPaintingRoot) 81 , paintDirtyRect(inDirtyRect) 82 , subPixelAccumulation(inSubPixelAccumulation) 83 , region(inRegion) 84 , overlapTestRequests(inOverlapTestRequests) 85 , paintBehavior(inPaintBehavior) 86 , clipToDirtyRect(true) 87 { } 88 RenderLayer* rootLayer; 89 RenderObject* paintingRoot; // only paint descendants of this object 90 LayoutRect paintDirtyRect; // relative to rootLayer; 91 LayoutSize subPixelAccumulation; 92 RenderRegion* region; // May be null. 93 OverlapTestRequestMap* overlapTestRequests; // May be null. 94 PaintBehavior paintBehavior; 95 bool clipToDirtyRect; 96 }; 97 98 } // namespace WebCore 99 100 #endif // LayerPaintingInfo_h 101
