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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 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 TranslateTransformOperation_h
#define TranslateTransformOperation_h
#include "platform/Length.h"
#include "platform/LengthFunctions.h"
#include "platform/transforms/TransformOperation.h"
namespace blink {
class PLATFORM_EXPORT TranslateTransformOperation final
: public TransformOperation {
public:
static PassRefPtr<TranslateTransformOperation> create(const Length& tx,
const Length& ty,
OperationType type) {
return adoptRef(new TranslateTransformOperation(tx, ty, 0, type));
}
static PassRefPtr<TranslateTransformOperation> create(const Length& tx,
const Length& ty,
double tz,
OperationType type) {
return adoptRef(new TranslateTransformOperation(tx, ty, tz, type));
}
virtual bool canBlendWith(const TransformOperation& other) const;
double x(const FloatSize& borderBoxSize) const {
return floatValueForLength(m_x, borderBoxSize.width());
}
double y(const FloatSize& borderBoxSize) const {
return floatValueForLength(m_y, borderBoxSize.height());
}
Length x() const { return m_x; }
Length y() const { return m_y; }
double z() const { return m_z; }
void apply(TransformationMatrix& transform,
const FloatSize& borderBoxSize) const override {
transform.translate3d(x(borderBoxSize), y(borderBoxSize), z());
}
static bool isMatchingOperationType(OperationType type) {
return type == Translate || type == TranslateX || type == TranslateY ||
type == TranslateZ || type == Translate3D;
}
PassRefPtr<TranslateTransformOperation> zoomTranslate(double factor);
private:
OperationType type() const override { return m_type; }
OperationType primitiveType() const final { return Translate3D; }
bool operator==(const TransformOperation& o) const override {
if (!isSameType(o))
return false;
const TranslateTransformOperation* t =
static_cast<const TranslateTransformOperation*>(&o);
return m_x == t->m_x && m_y == t->m_y && m_z == t->m_z;
}
PassRefPtr<TransformOperation> blend(const TransformOperation* from,
double progress,
bool blendToIdentity = false) override;
PassRefPtr<TransformOperation> zoom(double factor) final {
return zoomTranslate(factor);
}
bool dependsOnBoxSize() const override {
return m_x.isPercentOrCalc() || m_y.isPercentOrCalc();
}
TranslateTransformOperation(const Length& tx,
const Length& ty,
double tz,
OperationType type)
: m_x(tx), m_y(ty), m_z(tz), m_type(type) {
ASSERT(isMatchingOperationType(type));
}
Length m_x;
Length m_y;
double m_z;
OperationType m_type;
};
DEFINE_TRANSFORM_TYPE_CASTS(TranslateTransformOperation);
} // namespace blink
#endif // TranslateTransformOperation_h
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