| // 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_POINT_H_ |
| #define UI_GFX_GEOMETRY_POINT_H_ |
| |
| #include <iosfwd> |
| #include <string> |
| |
| #include "ui/gfx/geometry/point_base.h" |
| #include "ui/gfx/geometry/point_f.h" |
| #include "ui/gfx/geometry/vector2d.h" |
| #include "ui/gfx/gfx_export.h" |
| |
| #if defined(OS_WIN) |
| typedef unsigned long DWORD; |
| typedef struct tagPOINT POINT; |
| #elif defined(OS_IOS) |
| #include <CoreGraphics/CoreGraphics.h> |
| #elif defined(OS_MACOSX) |
| #include <ApplicationServices/ApplicationServices.h> |
| #endif |
| |
| namespace gfx { |
| |
| // A point has an x and y coordinate. |
| class GFX_EXPORT Point : public PointBase<Point, int, Vector2d> { |
| public: |
| Point() : PointBase<Point, int, Vector2d>(0, 0) {} |
| Point(int x, int y) : PointBase<Point, int, Vector2d>(x, y) {} |
| #if defined(OS_WIN) |
| // |point| is a DWORD value that contains a coordinate. The x-coordinate is |
| // the low-order short and the y-coordinate is the high-order short. This |
| // value is commonly acquired from GetMessagePos/GetCursorPos. |
| explicit Point(DWORD point); |
| explicit Point(const POINT& point); |
| Point& operator=(const POINT& point); |
| #elif defined(OS_MACOSX) |
| explicit Point(const CGPoint& point); |
| #endif |
| |
| ~Point() {} |
| |
| #if defined(OS_WIN) |
| POINT ToPOINT() const; |
| #elif defined(OS_MACOSX) |
| CGPoint ToCGPoint() const; |
| #endif |
| |
| operator PointF() const { |
| return PointF(x(), y()); |
| } |
| |
| // Returns a string representation of point. |
| std::string ToString() const; |
| }; |
| |
| inline bool operator==(const Point& lhs, const Point& rhs) { |
| return lhs.x() == rhs.x() && lhs.y() == rhs.y(); |
| } |
| |
| inline bool operator!=(const Point& lhs, const Point& rhs) { |
| return !(lhs == rhs); |
| } |
| |
| inline Point operator+(const Point& lhs, const Vector2d& rhs) { |
| Point result(lhs); |
| result += rhs; |
| return result; |
| } |
| |
| inline Point operator-(const Point& lhs, const Vector2d& rhs) { |
| Point result(lhs); |
| result -= rhs; |
| return result; |
| } |
| |
| inline Vector2d operator-(const Point& lhs, const Point& rhs) { |
| return Vector2d(lhs.x() - rhs.x(), lhs.y() - rhs.y()); |
| } |
| |
| inline Point PointAtOffsetFromOrigin(const Vector2d& offset_from_origin) { |
| return Point(offset_from_origin.x(), offset_from_origin.y()); |
| } |
| |
| #if !defined(COMPILER_MSVC) |
| extern template class PointBase<Point, int, Vector2d>; |
| #endif |
| |
| // This is declared here for use in gtest-based unit tests but is defined in |
| // the 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 Point& point, ::std::ostream* os); |
| |
| } // namespace gfx |
| |
| #endif // UI_GFX_GEOMETRY_POINT_H_ |