diff options
Diffstat (limited to 'indra/llmath/llrect.h')
| -rw-r--r-- | indra/llmath/llrect.h | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/indra/llmath/llrect.h b/indra/llmath/llrect.h index 894f0a7ed0..c03a331aff 100644 --- a/indra/llmath/llrect.h +++ b/indra/llmath/llrect.h @@ -141,10 +141,20 @@ public: // Note: Does NOT follow GL_QUAD conventions: the top and right edges ARE considered part of the rect // returns TRUE if any part of rect is is inside this LLRect - BOOL rectInRect(const LLRectBase* rect) const + BOOL overlaps(const LLRectBase& rect) const { - return mLeft <= rect->mRight && rect->mLeft <= mRight && - mBottom <= rect->mTop && rect->mBottom <= mTop ; + return !(mLeft > rect.mRight + || mRight < rect.mLeft + || mBottom > rect.mTop + || mTop < rect.mBottom); + } + + BOOL contains(const LLRectBase& rect) const + { + return mLeft <= rect.mLeft + && mRight >= rect.mRight + && mBottom <= rect.mBottom + && mTop >= rect.mTop; } LLRectBase& set(Type left, Type top, Type right, Type bottom) @@ -223,26 +233,25 @@ public: return mLeft <= mRight && mBottom <= mTop; } - bool isNull() const + bool isEmpty() const { return mLeft == mRight || mBottom == mTop; } - bool notNull() const + bool notEmpty() const { - return !isNull(); + return !isEmpty(); } - LLRectBase& unionWith(const LLRectBase &other) + void unionWith(const LLRectBase &other) { mLeft = llmin(mLeft, other.mLeft); mRight = llmax(mRight, other.mRight); mBottom = llmin(mBottom, other.mBottom); mTop = llmax(mTop, other.mTop); - return *this; } - LLRectBase& intersectWith(const LLRectBase &other) + void intersectWith(const LLRectBase &other) { mLeft = llmax(mLeft, other.mLeft); mRight = llmin(mRight, other.mRight); @@ -256,7 +265,6 @@ public: { mBottom = mTop; } - return *this; } friend std::ostream &operator<<(std::ostream &s, const LLRectBase &rect) |