| // 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 UI_VIEWS_ANIMATION_INK_DROP_UTIL_H_ |
| #define UI_VIEWS_ANIMATION_INK_DROP_UTIL_H_ |
| |
| #include "ui/views/views_export.h" |
| |
| namespace gfx { |
| class Transform; |
| } // namespace gfx |
| |
| namespace views { |
| |
| // A layer |transform| may add an offset to its layer relative to the parent |
| // layer. This offset does not take into consideration the subpixel positioning. |
| // A subpixel correction needs to be applied to make sure the layers are pixel |
| // aligned after the transform is applied. Use this function to compute the |
| // subpixel correction transform. |
| VIEWS_EXPORT gfx::Transform GetTransformSubpixelCorrection( |
| const gfx::Transform& transform, |
| float device_scale_factor); |
| |
| } // namespace views |
| |
| #endif // UI_VIEWS_ANIMATION_INK_DROP_UTIL_H_ |
