diff options
Diffstat (limited to 'src/3rdparty/webkit/WebCore/platform/graphics/transforms/RotateTransformOperation.h')
-rw-r--r-- | src/3rdparty/webkit/WebCore/platform/graphics/transforms/RotateTransformOperation.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/WebCore/platform/graphics/transforms/RotateTransformOperation.h b/src/3rdparty/webkit/WebCore/platform/graphics/transforms/RotateTransformOperation.h new file mode 100644 index 0000000..adc6c4c --- /dev/null +++ b/src/3rdparty/webkit/WebCore/platform/graphics/transforms/RotateTransformOperation.h @@ -0,0 +1,74 @@ +/* + * 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 RotateTransformOperation_h +#define RotateTransformOperation_h + +#include "TransformOperation.h" + +namespace WebCore { + +class RotateTransformOperation : public TransformOperation { +public: + static PassRefPtr<RotateTransformOperation> create(double angle, OperationType type) + { + return adoptRef(new RotateTransformOperation(angle, type)); + } + + virtual bool isIdentity() const { return m_angle == 0; } + virtual OperationType getOperationType() const { return m_type; } + virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == m_type; } + + virtual bool operator==(const TransformOperation& o) const + { + if (!isSameType(o)) + return false; + const RotateTransformOperation* r = static_cast<const RotateTransformOperation*>(&o); + return m_angle == r->m_angle; + } + + virtual bool apply(TransformationMatrix& transform, const IntSize& /*borderBoxSize*/) const + { + transform.rotate(m_angle); + return false; + } + + virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false); + + double angle() const { return m_angle; } + +private: + RotateTransformOperation(double angle, OperationType type) + : m_angle(angle) + , m_type(type) + { + } + + double m_angle; + OperationType m_type; +}; + +} // namespace WebCore + +#endif // RotateTransformOperation_h |