| // 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 UI_GFX_OVERLAY_TRANSFORM_UTILS_H_ |
| #define UI_GFX_OVERLAY_TRANSFORM_UTILS_H_ |
| |
| #include "base/component_export.h" |
| #include "ui/gfx/geometry/size_f.h" |
| #include "ui/gfx/geometry/transform.h" |
| #include "ui/gfx/overlay_transform.h" |
| |
| namespace gfx { |
| |
| COMPONENT_EXPORT(GFX) |
| Transform OverlayTransformToTransform(OverlayTransform overlay_transform, |
| const SizeF& viewport_bounds); |
| |
| COMPONENT_EXPORT(GFX) |
| OverlayTransform InvertOverlayTransform(OverlayTransform transform); |
| |
| // Returns result of applying `t1`, followed by `t2`. May return invalid if |
| // there inputs contain invalid. |
| COMPONENT_EXPORT(GFX) |
| OverlayTransform OverlayTransformsConcat(OverlayTransform t1, |
| OverlayTransform t2); |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_OVERLAY_TRANSFORM_UTILS_H_ |
