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- // Copyright 2017 The Chromium Authors. All rights reserved.
- // Use of this source code is governed by a BSD-style license that can be
- // found in the LICENSE file.
- #ifndef ASH_PUBLIC_CPP_SCALE_UTILITY_H_
- #define ASH_PUBLIC_CPP_SCALE_UTILITY_H_
- #include "ash/public/cpp/ash_public_export.h"
- namespace gfx {
- class Transform;
- } // namespace gfx
- namespace ash {
- // TODO(crbug.com/756161): This method will need to be moved to
- // gfx/geometry/dip_utils.h for M62 and later. This method computes the scale
- // required to convert DIP coordinates to the coordinate space of the
- // |transform|. It deduces the scale from the transform by applying it to a pair
- // of points separated by the distance of 1, and measuring the distance between
- // the transformed points.
- ASH_PUBLIC_EXPORT float GetScaleFactorForTransform(
- const gfx::Transform& transform);
- } // namespace ash
- #endif // ASH_PUBLIC_CPP_SCALE_UTILITY_H_
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