123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778 |
- // Copyright (c) 2012 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_INSETS_H_
- #define UI_GFX_GEOMETRY_INSETS_H_
- #include "base/numerics/clamped_math.h"
- #include "ui/gfx/geometry/geometry_export.h"
- #include "ui/gfx/geometry/insets_f.h"
- #include "ui/gfx/geometry/insets_outsets_base.h"
- namespace gfx {
- class Outsets;
- class Vector2d;
- // This can be used to represent a space within a rectangle, by "shrinking" the
- // rectangle by the inset amount on all four sides. Alternatively, it can
- // represent a border that has a different thickness on each side.
- class GEOMETRY_EXPORT Insets : public InsetsOutsetsBase<Insets> {
- public:
- using InsetsOutsetsBase::InsetsOutsetsBase;
- // Conversion from Insets to Outsets negates all components.
- Outsets ToOutsets() const;
- // Adjusts the vertical and horizontal dimensions by the values described in
- // |vector|. Offsetting insets before applying to a rectangle would be
- // equivalent to offsetting the rectangle then applying the insets.
- void Offset(const gfx::Vector2d& vector);
- explicit operator InsetsF() const {
- return InsetsF()
- .set_top(static_cast<float>(top()))
- .set_left(static_cast<float>(left()))
- .set_bottom(static_cast<float>(bottom()))
- .set_right(static_cast<float>(right()));
- }
- };
- inline Insets operator+(Insets lhs, const Insets& rhs) {
- lhs += rhs;
- return lhs;
- }
- inline Insets operator-(Insets lhs, const Insets& rhs) {
- lhs -= rhs;
- return lhs;
- }
- inline Insets operator+(Insets insets, const gfx::Vector2d& offset) {
- insets.Offset(offset);
- return insets;
- }
- // Helper methods to scale a gfx::Insets to a new gfx::Insets.
- GEOMETRY_EXPORT Insets ScaleToCeiledInsets(const Insets& insets,
- float x_scale,
- float y_scale);
- GEOMETRY_EXPORT Insets ScaleToCeiledInsets(const Insets& insets, float scale);
- GEOMETRY_EXPORT Insets ScaleToFlooredInsets(const Insets& insets,
- float x_scale,
- float y_scale);
- GEOMETRY_EXPORT Insets ScaleToFlooredInsets(const Insets& insets, float scale);
- GEOMETRY_EXPORT Insets ScaleToRoundedInsets(const Insets& insets,
- float x_scale,
- float y_scale);
- GEOMETRY_EXPORT Insets ScaleToRoundedInsets(const Insets& insets, float scale);
- // 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 Insets&, ::std::ostream* os);
- } // namespace gfx
- #endif // UI_GFX_GEOMETRY_INSETS_H_
|