chromium/third_party/blink/renderer/core/layout/svg/transform_helper.h

// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_TRANSFORM_HELPER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_TRANSFORM_HELPER_H_

#include "third_party/blink/renderer/core/style/computed_style.h"
#include "third_party/blink/renderer/platform/transforms/affine_transform.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"

namespace gfx {
class RectF;
}

namespace blink {

class SVGElement;
class LayoutObject;

class TransformHelper { … };

// The following enumeration is used to optimize cases where the scale is known
// to be invariant (see: LayoutSVGContainer::UpdateSVGLayout and
// LayoutSVGRoot). The value 'Full' can be used in the general case when the
// scale change is unknown, or known to have changed.
enum class SVGTransformChange { … };

// Helper for computing ("classifying") a change to a transform using the
// categories defined above.
class SVGTransformChangeDetector { … };

}  // namespace blink

#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_SVG_TRANSFORM_HELPER_H_