2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
3 * (C) 2000 Antti Koivisto (koivisto@kde.org)
4 * (C) 2000 Dirk Mueller (mueller@kde.org)
5 * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
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.
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.
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.
25 #ifndef TranslateTransformOperation_h
26 #define TranslateTransformOperation_h
28 #include "platform/Length.h"
29 #include "platform/LengthFunctions.h"
30 #include "platform/transforms/TransformOperation.h"
34 class PLATFORM_EXPORT TranslateTransformOperation : public TransformOperation {
36 static PassRefPtr<TranslateTransformOperation> create(const Length& tx, const Length& ty, OperationType type)
38 return adoptRef(new TranslateTransformOperation(tx, ty, 0, type));
41 static PassRefPtr<TranslateTransformOperation> create(const Length& tx, const Length& ty, double tz, OperationType type)
43 return adoptRef(new TranslateTransformOperation(tx, ty, tz, type));
46 virtual bool canBlendWith(const TransformOperation& other) const;
48 double x(const FloatSize& borderBoxSize) const { return floatValueForLength(m_x, borderBoxSize.width()); }
49 double y(const FloatSize& borderBoxSize) const { return floatValueForLength(m_y, borderBoxSize.height()); }
51 Length x() const { return m_x; }
52 Length y() const { return m_y; }
53 double z() const { return m_z; }
56 virtual bool isIdentity() const OVERRIDE { return !floatValueForLength(m_x, 1) && !floatValueForLength(m_y, 1) && !m_z; }
58 virtual OperationType type() const OVERRIDE { return m_type; }
60 virtual bool operator==(const TransformOperation& o) const OVERRIDE
64 const TranslateTransformOperation* t = static_cast<const TranslateTransformOperation*>(&o);
65 return m_x == t->m_x && m_y == t->m_y && m_z == t->m_z;
68 virtual void apply(TransformationMatrix& transform, const FloatSize& borderBoxSize) const OVERRIDE
70 transform.translate3d(x(borderBoxSize), y(borderBoxSize), z());
73 virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) OVERRIDE;
75 virtual bool dependsOnBoxSize() const OVERRIDE
77 return m_x.isPercent() || m_y.isPercent();
80 TranslateTransformOperation(const Length& tx, const Length& ty, double tz, OperationType type)
86 ASSERT(type == TranslateX || type == TranslateY || type == TranslateZ || type == Translate || type == Translate3D);
95 } // namespace WebCore
97 #endif // TranslateTransformOperation_h