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/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights
* reserved.
* Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
*
* 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_STYLE_SHADOW_DATA_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_SHADOW_DATA_H_
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/css/style_color.h"
#include "ui/gfx/geometry/outsets_f.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/vector2d_f.h"
namespace blink {
enum class ShadowStyle { kNormal, kInset };
// This class holds information about shadows for the text-shadow and box-shadow
// properties, as well as the drop-shadow(...) filter operation.
class CORE_EXPORT ShadowData {
DISALLOW_NEW();
public:
ShadowData(gfx::Vector2dF offset,
float blur,
float spread,
ShadowStyle style,
StyleColor color,
float opacity = 1.0f)
: offset_(offset),
blur_(blur, blur),
spread_(spread),
color_(color),
style_(style),
opacity_(opacity) {}
ShadowData(gfx::Vector2dF offset,
gfx::PointF blur,
float spread,
ShadowStyle style,
StyleColor color,
float opacity = 1.0f)
: offset_(offset),
blur_(blur),
spread_(spread),
color_(color),
style_(style),
opacity_(opacity) {}
void Trace(Visitor* visitor) const { visitor->Trace(color_); }
bool operator==(const ShadowData&) const = default;
static ShadowData NeutralValue();
float X() const { return offset_.x(); }
float Y() const { return offset_.y(); }
gfx::Vector2dF Offset() const { return offset_; }
float Blur() const { return blur_.x(); }
gfx::PointF BlurXY() const { return blur_; }
float Spread() const { return spread_; }
ShadowStyle Style() const { return style_; }
StyleColor GetColor() const { return color_; }
float Opacity() const { return opacity_; }
// Outsets needed to adjust a source rectangle to the one cast by this
// shadow.
gfx::OutsetsF RectOutsets() const;
private:
gfx::Vector2dF offset_;
gfx::PointF blur_;
float spread_;
StyleColor color_;
ShadowStyle style_;
float opacity_;
};
} // namespace blink
WTF_ALLOW_CLEAR_UNUSED_SLOTS_WITH_MEM_FUNCTIONS(blink::ShadowData)
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_STYLE_SHADOW_DATA_H_
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