1 /*
2 * Copyright (C) 2004, 2005, 2006, 2007 Nikolas Zimmermann <zimmermann@kde.org>
3 * Copyright (C) 2004, 2005 Rob Buis <buis@kde.org>
4 * Copyright (C) 2005 Eric Seidel <eric@webkit.org>
5 * Copyright (C) 2009 Dirk Schulze <krit@webkit.org>
6 * Copyright (C) 2013 Google Inc. All rights reserved.
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public License
19 * along with this library; see the file COPYING.LIB. If not, write to
20 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24 #include "third_party/blink/renderer/platform/graphics/filters/fe_flood.h"
25
26 #include "third_party/blink/renderer/platform/wtf/text/text_stream.h"
27 #include "third_party/skia/include/core/SkColorFilter.h"
28 #include "third_party/skia/include/effects/SkColorFilterImageFilter.h"
29
30 namespace blink {
31
FEFlood(Filter * filter,const Color & flood_color,float flood_opacity)32 FEFlood::FEFlood(Filter* filter, const Color& flood_color, float flood_opacity)
33 : FilterEffect(filter),
34 flood_color_(flood_color),
35 flood_opacity_(flood_opacity) {
36 FilterEffect::SetOperatingInterpolationSpace(kInterpolationSpaceSRGB);
37 }
38
FloodColor() const39 Color FEFlood::FloodColor() const {
40 return flood_color_;
41 }
42
SetFloodColor(const Color & color)43 bool FEFlood::SetFloodColor(const Color& color) {
44 if (flood_color_ == color)
45 return false;
46 flood_color_ = color;
47 return true;
48 }
49
FloodOpacity() const50 float FEFlood::FloodOpacity() const {
51 return flood_opacity_;
52 }
53
SetFloodOpacity(float flood_opacity)54 bool FEFlood::SetFloodOpacity(float flood_opacity) {
55 if (flood_opacity_ == flood_opacity)
56 return false;
57 flood_opacity_ = flood_opacity;
58 return true;
59 }
60
CreateImageFilter()61 sk_sp<PaintFilter> FEFlood::CreateImageFilter() {
62 Color color = FloodColor().CombineWithAlpha(FloodOpacity());
63 PaintFilter::CropRect rect = GetCropRect();
64 return sk_make_sp<ColorFilterPaintFilter>(
65 SkColorFilters::Blend(color.Rgb(), SkBlendMode::kSrc), nullptr, &rect);
66 }
67
ExternalRepresentation(WTF::TextStream & ts,int indent) const68 WTF::TextStream& FEFlood::ExternalRepresentation(WTF::TextStream& ts,
69 int indent) const {
70 WriteIndent(ts, indent);
71 ts << "[feFlood";
72 FilterEffect::ExternalRepresentation(ts);
73 ts << " flood-color=\"" << FloodColor().NameForLayoutTreeAsText() << "\" "
74 << "flood-opacity=\"" << FloodOpacity() << "\"]\n";
75 return ts;
76 }
77
78 } // namespace blink
79