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- // Copyright 2022 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_GFX_GEOMETRY_OUTSETS_H_
- #define UI_GFX_GEOMETRY_OUTSETS_H_
- #include "base/numerics/clamped_math.h"
- #include "ui/gfx/geometry/geometry_export.h"
- #include "ui/gfx/geometry/insets.h"
- #include "ui/gfx/geometry/insets_outsets_base.h"
- namespace gfx {
- // This can be used to represent a space surrounding a rectangle, by
- // "expanding" the rectangle by the outset amount on all four sides.
- class Outsets : public InsetsOutsetsBase<Outsets> {
- public:
- using InsetsOutsetsBase::InsetsOutsetsBase;
- // Conversion from Outsets to Insets negates all components.
- Insets ToInsets() const {
- return Insets()
- .set_left_right(-left(), -right())
- .set_top_bottom(-top(), -bottom());
- }
- };
- inline Outsets operator+(Outsets lhs, const Outsets& rhs) {
- lhs += rhs;
- return lhs;
- }
- inline Outsets operator-(Outsets lhs, const Outsets& rhs) {
- lhs -= rhs;
- return lhs;
- }
- // This is declared here for use in gtest-based unit tests but is defined in
- // the //ui/gfx:test_support target. Depend on that to use this in your unit
- // test. This should not be used in production code - call ToString() instead.
- void PrintTo(const Outsets&, ::std::ostream* os);
- } // namespace gfx
- #endif // UI_GFX_GEOMETRY_OUTSETS_H_
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