MathUtil: Make Rectangle work with unsigned types.

This commit is contained in:
Tony Wasserka 2014-11-13 20:25:39 +01:00
parent c5c6e095f0
commit e02ff0121f

View file

@ -7,6 +7,7 @@
#include "common/common.h"
#include <algorithm>
#include <type_traits>
#include <vector>
namespace MathUtil
@ -112,8 +113,8 @@ struct Rectangle
bool operator==(const Rectangle& r) { return left==r.left && top==r.top && right==r.right && bottom==r.bottom; }
T GetWidth() const { return abs(right - left); }
T GetHeight() const { return abs(bottom - top); }
T GetWidth() const { return std::abs(static_cast<typename std::make_signed<T>::type>(right - left)); }
T GetHeight() const { return std::abs(static_cast<typename std::make_signed<T>::type>(bottom - top)); }
// If the rectangle is in a coordinate system with a lower-left origin, use
// this Clamp.