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// Copyright 2022 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_GEOMETRY_OUTSETS_H_
#define UI_GFX_GEOMETRY_OUTSETS_H_
#include "base/component_export.h"
#include "base/numerics/clamped_math.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 COMPONENT_EXPORT(GEOMETRY) 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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