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#include "SkRect.h"
bool SkRect16::intersect(S16CPU left, S16CPU top, S16CPU right, S16CPU bottom)
{
if (fLeft < right && left < fRight && fTop < bottom && top < fBottom)
{
if (fLeft < left) fLeft = SkToS16(left);
if (fTop < top) fTop = SkToS16(top);
if (fRight > right) fRight = SkToS16(right);
if (fBottom > bottom) fBottom = SkToS16(bottom);
return true;
}
return false;
}
bool SkRect16::intersect(const SkRect16& r)
{
SkASSERT(&r);
return this->intersect(r.fLeft, r.fTop, r.fRight, r.fBottom);
}
bool SkRect16::intersect(const SkRect16& a, const SkRect16& b)
{
SkASSERT(&a && &b);
*this = a;
return this->intersect(b.fLeft, b.fTop, b.fRight, b.fBottom);
}
void SkRect16::sort()
{
if (fLeft > fRight)
SkTSwap<S16>(fLeft, fRight);
if (fTop > fBottom)
SkTSwap<S16>(fTop, fBottom);
}
/////////////////////////////////////////////////////////////////////////////
void SkRect::sort()
{
if (fLeft > fRight)
SkTSwap<SkScalar>(fLeft, fRight);
if (fTop > fBottom)
SkTSwap<SkScalar>(fTop, fBottom);
}
void SkRect::toQuad(SkPoint quad[4]) const
{
SkASSERT(quad);
quad[0].set(fLeft, fTop);
quad[1].set(fRight, fTop);
quad[2].set(fRight, fBottom);
quad[3].set(fLeft, fBottom);
}
void SkRect::set(const SkPoint pts[], int count)
{
SkASSERT(pts && count > 0 || count == 0);
if (count <= 0)
memset(this, 0, sizeof(SkRect));
else
{
SkScalar l, t, r, b;
l = r = pts[0].fX;
t = b = pts[0].fY;
for (int i = 1; i < count; i++)
{
SkScalar x = pts[i].fX;
SkScalar y = pts[i].fY;
if (x < l) l = x; else if (x > r) r = x;
if (y < t) t = y; else if (y > b) b = y;
}
this->set(l, t, r, b);
}
}
bool SkRect::intersect(SkScalar left, SkScalar top, SkScalar right, SkScalar bottom)
{
if (fLeft < right && left < fRight && fTop < bottom && top < fBottom)
{
if (fLeft < left) fLeft = left;
if (fTop < top) fTop = top;
if (fRight > right) fRight = right;
if (fBottom > bottom) fBottom = bottom;
return true;
}
return false;
}
bool SkRect::intersect(const SkRect& r)
{
SkASSERT(&r);
return this->intersect(r.fLeft, r.fTop, r.fRight, r.fBottom);
}
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