1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
/*
* Copyright (C) Research In Motion Limited 2009-2010. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_LAYOUT_SVG_RESOURCE_MARKER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_LAYOUT_SVG_RESOURCE_MARKER_H_
#include "third_party/blink/renderer/core/layout/svg/layout_svg_resource_container.h"
#include "third_party/blink/renderer/core/svg/svg_marker_element.h"
#include "third_party/blink/renderer/platform/geometry/float_rect.h"
namespace blink {
struct MarkerPosition;
class LayoutSVGResourceMarker final : public LayoutSVGResourceContainer {
public:
explicit LayoutSVGResourceMarker(SVGMarkerElement*);
~LayoutSVGResourceMarker() override;
const char* GetName() const override { return "LayoutSVGResourceMarker"; }
void RemoveAllClientsFromCache() override;
// Calculates marker boundaries, mapped to the target element's coordinate
// space.
FloatRect MarkerBoundaries(
const AffineTransform& marker_transformation) const;
AffineTransform MarkerTransformation(const MarkerPosition&,
float stroke_width) const;
AffineTransform LocalToSVGParentTransform() const final {
return local_to_parent_transform_;
}
void SetNeedsTransformUpdate() final;
// The viewport origin is (0,0) and not the reference point because each
// marker instance includes the reference in markerTransformation().
FloatRect Viewport() const { return FloatRect(FloatPoint(), viewport_size_); }
bool ShouldPaint() const;
FloatPoint ReferencePoint() const;
float Angle() const;
SVGMarkerUnitsType MarkerUnits() const;
SVGMarkerOrientType OrientType() const;
static const LayoutSVGResourceType kResourceType = kMarkerResourceType;
LayoutSVGResourceType ResourceType() const override { return kResourceType; }
private:
void UpdateLayout() override;
SVGTransformChange CalculateLocalTransform() final;
AffineTransform local_to_parent_transform_;
FloatSize viewport_size_;
bool needs_transform_update_;
};
DEFINE_LAYOUT_SVG_RESOURCE_TYPE_CASTS(LayoutSVGResourceMarker,
kMarkerResourceType);
} // namespace blink
#endif
|
