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add static Make methods to return rects

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git-svn-id: http://skia.googlecode.com/svn/trunk@508 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@android.com 2010-02-24 01:49:13 +00:00
parent 6d342a4e4a
commit 233481ebd0
1 changed files with 19 additions and 0 deletions
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19
include/core/SkRect.h
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@ -18,6 +18,7 @@
#define SkRect_DEFINED #define SkRect_DEFINED
#include "SkPoint.h" #include "SkPoint.h"
#include "SkSize.h"
/** \struct SkIRect /** \struct SkIRect
@ -232,6 +233,24 @@ struct SkIRect {
struct SkRect { struct SkRect {
SkScalar fLeft, fTop, fRight, fBottom; SkScalar fLeft, fTop, fRight, fBottom;
static SkRect MakeSize(const SkSize& size) {
SkRect r;
r.set(0, 0, size.width(), size.height());
return r;
}
static SkRect MakeLTRB(SkScalar l, SkScalar t, SkScalar r, SkScalar b) {
SkRect rect;
rect.set(l, t, r, b);
return rect;
}
static SkRect MakeXYWH(SkScalar x, SkScalar y, SkScalar w, SkScalar h) {
SkRect r;
r.set(x, y, x + w, y + h);
return r;
}
/** Return true if the rectangle's width or height are <= 0 /** Return true if the rectangle's width or height are <= 0
*/ */
bool isEmpty() const { return fLeft >= fRight || fTop >= fBottom; } bool isEmpty() const { return fLeft >= fRight || fTop >= fBottom; }