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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "ui/gfx/geometry/point.h"
      6 
      7 #include "base/strings/stringprintf.h"
      8 #include "build/build_config.h"
      9 #include "ui/gfx/geometry/point_conversions.h"
     10 #include "ui/gfx/geometry/point_f.h"
     11 
     12 #if defined(OS_WIN)
     13 #include <windows.h>
     14 #elif defined(OS_IOS)
     15 #include <CoreGraphics/CoreGraphics.h>
     16 #elif defined(OS_MACOSX)
     17 #include <ApplicationServices/ApplicationServices.h>
     18 #endif
     19 
     20 namespace gfx {
     21 
     22 #if defined(OS_WIN)
     23 Point::Point(DWORD point) {
     24   POINTS points = MAKEPOINTS(point);
     25   x_ = points.x;
     26   y_ = points.y;
     27 }
     28 
     29 Point::Point(const POINT& point) : x_(point.x), y_(point.y) {
     30 }
     31 
     32 Point& Point::operator=(const POINT& point) {
     33   x_ = point.x;
     34   y_ = point.y;
     35   return *this;
     36 }
     37 #elif defined(OS_MACOSX)
     38 Point::Point(const CGPoint& point) : x_(point.x), y_(point.y) {
     39 }
     40 #endif
     41 
     42 #if defined(OS_WIN)
     43 POINT Point::ToPOINT() const {
     44   POINT p;
     45   p.x = x();
     46   p.y = y();
     47   return p;
     48 }
     49 #elif defined(OS_MACOSX)
     50 CGPoint Point::ToCGPoint() const {
     51   return CGPointMake(x(), y());
     52 }
     53 #endif
     54 
     55 void Point::SetToMin(const Point& other) {
     56   x_ = x_ <= other.x_ ? x_ : other.x_;
     57   y_ = y_ <= other.y_ ? y_ : other.y_;
     58 }
     59 
     60 void Point::SetToMax(const Point& other) {
     61   x_ = x_ >= other.x_ ? x_ : other.x_;
     62   y_ = y_ >= other.y_ ? y_ : other.y_;
     63 }
     64 
     65 std::string Point::ToString() const {
     66   return base::StringPrintf("%d,%d", x(), y());
     67 }
     68 
     69 Point ScaleToCeiledPoint(const Point& point, float x_scale, float y_scale) {
     70   if (x_scale == 1.f && y_scale == 1.f)
     71     return point;
     72   return ToCeiledPoint(ScalePoint(gfx::PointF(point), x_scale, y_scale));
     73 }
     74 
     75 Point ScaleToCeiledPoint(const Point& point, float scale) {
     76   if (scale == 1.f)
     77     return point;
     78   return ToCeiledPoint(ScalePoint(gfx::PointF(point), scale, scale));
     79 }
     80 
     81 Point ScaleToFlooredPoint(const Point& point, float x_scale, float y_scale) {
     82   if (x_scale == 1.f && y_scale == 1.f)
     83     return point;
     84   return ToFlooredPoint(ScalePoint(gfx::PointF(point), x_scale, y_scale));
     85 }
     86 
     87 Point ScaleToFlooredPoint(const Point& point, float scale) {
     88   if (scale == 1.f)
     89     return point;
     90   return ToFlooredPoint(ScalePoint(gfx::PointF(point), scale, scale));
     91 }
     92 
     93 Point ScaleToRoundedPoint(const Point& point, float x_scale, float y_scale) {
     94   if (x_scale == 1.f && y_scale == 1.f)
     95     return point;
     96   return ToRoundedPoint(ScalePoint(gfx::PointF(point), x_scale, y_scale));
     97 }
     98 
     99 Point ScaleToRoundedPoint(const Point& point, float scale) {
    100   if (scale == 1.f)
    101     return point;
    102   return ToRoundedPoint(ScalePoint(gfx::PointF(point), scale, scale));
    103 }
    104 
    105 }  // namespace gfx
    106