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112 lines
3.7 KiB
C++
112 lines
3.7 KiB
C++
/*
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* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
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* (C) 2000 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
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* Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SKY_ENGINE_PLATFORM_TRANSFORMS_MATRIXTRANSFORMOPERATION_H_
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#define SKY_ENGINE_PLATFORM_TRANSFORMS_MATRIXTRANSFORMOPERATION_H_
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#include "flutter/sky/engine/platform/transforms/TransformOperation.h"
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#include "flutter/sky/engine/platform/transforms/TransformationMatrix.h"
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namespace blink {
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class PLATFORM_EXPORT MatrixTransformOperation : public TransformOperation {
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public:
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static PassRefPtr<MatrixTransformOperation> create(double a,
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double b,
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double c,
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double d,
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double e,
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double f) {
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return adoptRef(new MatrixTransformOperation(a, b, c, d, e, f));
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}
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static PassRefPtr<MatrixTransformOperation> create(
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const TransformationMatrix& t) {
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return adoptRef(new MatrixTransformOperation(t));
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}
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TransformationMatrix matrix() const {
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return TransformationMatrix(m_a, m_b, m_c, m_d, m_e, m_f);
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}
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virtual bool canBlendWith(const TransformOperation& other) const {
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return false;
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}
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private:
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virtual bool isIdentity() const override {
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return m_a == 1 && !m_b && !m_c && m_d == 1 && !m_e && !m_f;
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}
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virtual OperationType type() const override { return Matrix; }
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virtual bool operator==(const TransformOperation& o) const override {
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if (!isSameType(o))
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return false;
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const MatrixTransformOperation* m =
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static_cast<const MatrixTransformOperation*>(&o);
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return m_a == m->m_a && m_b == m->m_b && m_c == m->m_c && m_d == m->m_d &&
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m_e == m->m_e && m_f == m->m_f;
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}
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virtual void apply(TransformationMatrix& transform,
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const FloatSize&) const override {
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TransformationMatrix matrix(m_a, m_b, m_c, m_d, m_e, m_f);
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transform.multiply(matrix);
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}
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virtual PassRefPtr<TransformOperation> blend(
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const TransformOperation* from,
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double progress,
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bool blendToIdentity = false) override;
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MatrixTransformOperation(double a,
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double b,
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double c,
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double d,
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double e,
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double f)
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: m_a(a), m_b(b), m_c(c), m_d(d), m_e(e), m_f(f) {}
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MatrixTransformOperation(const TransformationMatrix& t)
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: m_a(t.a()),
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m_b(t.b()),
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m_c(t.c()),
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m_d(t.d()),
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m_e(t.e()),
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m_f(t.f()) {}
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double m_a;
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double m_b;
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double m_c;
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double m_d;
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double m_e;
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double m_f;
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};
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} // namespace blink
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#endif // SKY_ENGINE_PLATFORM_TRANSFORMS_MATRIXTRANSFORMOPERATION_H_
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