1/*
2 * Copyright (C) 2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "ClipRect.h"
29
30namespace WebCore {
31
32class LayerFragment {
33public:
34 LayerFragment() = default;
35
36 void setRects(const LayoutRect& bounds, const ClipRect& background, const ClipRect& foreground, const LayoutRect* bbox)
37 {
38 layerBounds = bounds;
39 backgroundRect = background;
40 foregroundRect = foreground;
41 if (bbox) {
42 boundingBox = *bbox;
43 hasBoundingBox = true;
44 }
45 }
46
47 void moveBy(const LayoutPoint& offset)
48 {
49 layerBounds.moveBy(offset);
50 backgroundRect.moveBy(offset);
51 foregroundRect.moveBy(offset);
52 paginationClip.moveBy(offset);
53 boundingBox.moveBy(offset);
54 }
55
56 void intersect(const LayoutRect& rect)
57 {
58 backgroundRect.intersect(rect);
59 foregroundRect.intersect(rect);
60 boundingBox.intersect(rect);
61 }
62
63 void intersect(const ClipRect& clipRect)
64 {
65 backgroundRect.intersect(clipRect);
66 foregroundRect.intersect(clipRect);
67 }
68
69 bool shouldPaintContent = false;
70 bool hasBoundingBox = false;
71 LayoutRect layerBounds;
72 ClipRect backgroundRect;
73 ClipRect foregroundRect;
74 LayoutRect boundingBox;
75
76 // Unique to paginated fragments. The physical translation to apply to shift the layer when painting/hit-testing.
77 LayoutSize paginationOffset;
78
79 // Also unique to paginated fragments. An additional clip that applies to the layer. It is in layer-local
80 // (physical) coordinates.
81 LayoutRect paginationClip;
82};
83
84typedef Vector<LayerFragment, 1> LayerFragments;
85
86} // namespace WebCore
87