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
|
/*
* Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
* Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
* Copyright (C) 2005 Eric Seidel <eric@webkit.org>
* Copyright (C) 2013 Google Inc. 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_PLATFORM_GRAPHICS_FILTERS_FE_DISPLACEMENT_MAP_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_FILTERS_FE_DISPLACEMENT_MAP_H_
#include "third_party/blink/renderer/platform/graphics/filters/filter_effect.h"
namespace blink {
enum ChannelSelectorType {
CHANNEL_UNKNOWN = 0,
CHANNEL_R = 1,
CHANNEL_G = 2,
CHANNEL_B = 3,
CHANNEL_A = 4
};
class PLATFORM_EXPORT FEDisplacementMap final : public FilterEffect {
public:
static FEDisplacementMap* Create(Filter*,
ChannelSelectorType x_channel_selector,
ChannelSelectorType y_channel_selector,
float);
ChannelSelectorType XChannelSelector() const;
bool SetXChannelSelector(const ChannelSelectorType);
ChannelSelectorType YChannelSelector() const;
bool SetYChannelSelector(const ChannelSelectorType);
float Scale() const;
bool SetScale(float);
WTF::TextStream& ExternalRepresentation(WTF::TextStream&,
int indention) const override;
private:
FEDisplacementMap(Filter*,
ChannelSelectorType x_channel_selector,
ChannelSelectorType y_channel_selector,
float);
FloatRect MapInputs(const FloatRect&) const override;
FloatRect MapEffect(const FloatRect&) const override;
sk_sp<PaintFilter> CreateImageFilter() override;
ChannelSelectorType x_channel_selector_;
ChannelSelectorType y_channel_selector_;
float scale_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_FILTERS_FE_DISPLACEMENT_MAP_H_
|
