blob: 50bb4cf20660de29b97498a055e12225cbf722df [file] [log] [blame]
/*
* Copyright (C) 2009 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "third_party/blink/renderer/platform/transforms/matrix_3d_transform_operation.h"
#include <algorithm>
namespace blink {
scoped_refptr<TransformOperation> Matrix3DTransformOperation::Blend(
const TransformOperation* from,
double progress,
bool blend_to_identity) {
if (from && !from->IsSameType(*this))
return this;
// Convert the TransformOperations into matrices. Fail the blend operation
// if either of the matrices is non-invertible.
FloatSize size;
TransformationMatrix from_t;
TransformationMatrix to_t;
if (from) {
from->Apply(from_t, size);
if (!from_t.IsInvertible())
return nullptr;
}
Apply(to_t, size);
if (!to_t.IsInvertible())
return nullptr;
if (blend_to_identity)
std::swap(from_t, to_t);
to_t.Blend(from_t, progress);
return Matrix3DTransformOperation::Create(to_t);
}
scoped_refptr<TransformOperation> Matrix3DTransformOperation::Zoom(
double factor) {
TransformationMatrix result = matrix_;
result.Zoom(factor);
return Create(result);
}
} // namespace blink