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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, 2013 Apple 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 NinePieceImage_h
#define NinePieceImage_h
#include "core/CoreExport.h"
#include "core/style/BorderImageLengthBox.h"
#include "core/style/DataRef.h"
#include "core/style/StyleImage.h"
#include "platform/LayoutUnit.h"
#include "platform/LengthBox.h"
#include "wtf/Allocator.h"
#include "wtf/RefCounted.h"
namespace blink {
enum ENinePieceImageRule {
StretchImageRule,
RoundImageRule,
SpaceImageRule,
RepeatImageRule
};
class CORE_EXPORT NinePieceImageData : public RefCounted<NinePieceImageData> {
public:
static PassRefPtr<NinePieceImageData> create() {
return adoptRef(new NinePieceImageData);
}
PassRefPtr<NinePieceImageData> copy() const {
return adoptRef(new NinePieceImageData(*this));
}
bool operator==(const NinePieceImageData&) const;
bool operator!=(const NinePieceImageData& o) const { return !(*this == o); }
unsigned fill : 1;
unsigned horizontalRule : 2; // ENinePieceImageRule
unsigned verticalRule : 2; // ENinePieceImageRule
Persistent<StyleImage> image;
LengthBox imageSlices;
BorderImageLengthBox borderSlices;
BorderImageLengthBox outset;
private:
NinePieceImageData();
NinePieceImageData(const NinePieceImageData&);
};
class CORE_EXPORT NinePieceImage {
DISALLOW_NEW();
public:
NinePieceImage();
NinePieceImage(StyleImage*,
LengthBox imageSlices,
bool fill,
const BorderImageLengthBox& borderSlices,
const BorderImageLengthBox& outset,
ENinePieceImageRule horizontalRule,
ENinePieceImageRule verticalRule);
bool operator==(const NinePieceImage& other) const {
return m_data == other.m_data;
}
bool operator!=(const NinePieceImage& other) const {
return m_data != other.m_data;
}
bool hasImage() const { return m_data->image; }
StyleImage* image() const { return m_data->image.get(); }
void setImage(StyleImage* image) { m_data.access()->image = image; }
const LengthBox& imageSlices() const { return m_data->imageSlices; }
void setImageSlices(const LengthBox& slices) {
m_data.access()->imageSlices = slices;
}
bool fill() const { return m_data->fill; }
void setFill(bool fill) { m_data.access()->fill = fill; }
const BorderImageLengthBox& borderSlices() const {
return m_data->borderSlices;
}
void setBorderSlices(const BorderImageLengthBox& slices) {
m_data.access()->borderSlices = slices;
}
const BorderImageLengthBox& outset() const { return m_data->outset; }
void setOutset(const BorderImageLengthBox& outset) {
m_data.access()->outset = outset;
}
ENinePieceImageRule horizontalRule() const {
return static_cast<ENinePieceImageRule>(m_data->horizontalRule);
}
void setHorizontalRule(ENinePieceImageRule rule) {
m_data.access()->horizontalRule = rule;
}
ENinePieceImageRule verticalRule() const {
return static_cast<ENinePieceImageRule>(m_data->verticalRule);
}
void setVerticalRule(ENinePieceImageRule rule) {
m_data.access()->verticalRule = rule;
}
void copyImageSlicesFrom(const NinePieceImage& other) {
m_data.access()->imageSlices = other.m_data->imageSlices;
m_data.access()->fill = other.m_data->fill;
}
void copyBorderSlicesFrom(const NinePieceImage& other) {
m_data.access()->borderSlices = other.m_data->borderSlices;
}
void copyOutsetFrom(const NinePieceImage& other) {
m_data.access()->outset = other.m_data->outset;
}
void copyRepeatFrom(const NinePieceImage& other) {
m_data.access()->horizontalRule = other.m_data->horizontalRule;
m_data.access()->verticalRule = other.m_data->verticalRule;
}
void setMaskDefaults() {
m_data.access()->imageSlices = LengthBox(0);
m_data.access()->fill = true;
m_data.access()->borderSlices = BorderImageLengthBox(Length(Auto));
}
static LayoutUnit computeOutset(const BorderImageLength& outsetSide,
int borderSide) {
if (outsetSide.isNumber())
return LayoutUnit(outsetSide.number() * borderSide);
return LayoutUnit(outsetSide.length().value());
}
private:
DataRef<NinePieceImageData> m_data;
};
} // namespace blink
#endif // NinePieceImage_h
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