2 * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) Research In Motion Limited 2010. All rights reserved.
4 * Copyright 2014 The Chromium Authors. All rights reserved.
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
22 #ifndef RenderSVGResourcePattern_h
23 #define RenderSVGResourcePattern_h
25 #include "core/rendering/svg/RenderSVGResourcePaintServer.h"
26 #include "core/svg/PatternAttributes.h"
28 #include "wtf/HashMap.h"
29 #include "wtf/OwnPtr.h"
30 #include "wtf/RefPtr.h"
34 class AffineTransform;
37 class SVGPatternElement;
40 class RenderSVGResourcePattern final : public RenderSVGResourcePaintServer {
42 explicit RenderSVGResourcePattern(SVGPatternElement*);
44 virtual const char* renderName() const override { return "RenderSVGResourcePattern"; }
46 virtual void removeAllClientsFromCache(bool markForInvalidation = true) override;
47 virtual void removeClientFromCache(RenderObject*, bool markForInvalidation = true) override;
49 virtual SVGPaintServer preparePaintServer(const RenderObject&) override;
51 static const RenderSVGResourceType s_resourceType = PatternResourceType;
52 virtual RenderSVGResourceType resourceType() const override { return s_resourceType; }
55 PassOwnPtr<PatternData> buildPatternData(const RenderObject&);
56 PassRefPtr<DisplayList> asDisplayList(const FloatRect& tileBounds, const AffineTransform&) const;
57 PatternData* patternForRenderer(const RenderObject&);
59 bool m_shouldCollectPatternAttributes : 1;
60 PatternAttributes m_attributes;
62 // FIXME: we can almost do away with this per-object map, but not quite: the tile size can be
63 // relative to the client bounding box, and it gets captured in the cached Pattern shader.
64 // Hence, we need one Pattern shader per client. The display list OTOH is the same => we
65 // should be able to cache a single display list per RenderSVGResourcePattern + one
66 // Pattern(shader) for each client -- this would avoid re-recording when multiple clients
67 // share the same pattern.
68 HashMap<const RenderObject*, OwnPtr<PatternData> > m_patternMap;