Add nine patch type to SkRRect.
BUG=skia:2181
Committed: http://code.google.com/p/skia/source/detail?r=13833
R=robertphillips@google.com, reed@google.com
Author: bsalomon@google.com
Review URL: https://codereview.chromium.org/196343015
git-svn-id: http://skia.googlecode.com/svn/trunk@13839 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/core/SkRRect.h b/include/core/SkRRect.h
index c09d2d4..5223ae7 100644
--- a/include/core/SkRRect.h
+++ b/include/core/SkRRect.h
@@ -71,6 +71,14 @@
//!< the curves) nor a rect (i.e., both radii are non-zero)
kSimple_Type,
+ //!< The RR is non-empty and the two left x radii are equal, the two top
+ //!< y radii are equal, and the same for the right and bottom but it is
+ //!< neither an rect, oval, nor a simple RR. It is called "nine patch"
+ //!< because the centers of the corner ellipses form an axis aligned
+ //!< rect with edges that divide the RR into an 9 rectangular patches:
+ //!< an interior patch, four edge patches, and four corner patches.
+ kNinePatch_Type,
+
//!< A fully general (non-empty) RR. Some of the x and/or y radii are
//!< different from the others and there must be one corner where
//!< both radii are non-zero.
@@ -99,21 +107,11 @@
inline bool isSimpleCircular() const {
return this->isSimple() && fRadii[0].fX == fRadii[0].fY;
}
+ inline bool isNinePatch() const { return kNinePatch_Type == this->getType(); }
inline bool isComplex() const { return kComplex_Type == this->getType(); }
bool allCornersCircular() const;
- /**
- * Are both x-radii the same on the two left corners, and similar for the top, right, and
- * bottom. When this is the case the four ellipse centers form a rectangle.
- */
- bool isNinePatch() const {
- return fRadii[kUpperLeft_Corner].fX == fRadii[kLowerLeft_Corner].fX &&
- fRadii[kUpperRight_Corner].fX == fRadii[kLowerRight_Corner].fX &&
- fRadii[kUpperLeft_Corner].fY == fRadii[kUpperRight_Corner].fY &&
- fRadii[kLowerLeft_Corner].fY == fRadii[kLowerRight_Corner].fY;
- }
-
SkScalar width() const { return fRect.width(); }
SkScalar height() const { return fRect.height(); }
@@ -172,6 +170,12 @@
void setRectXY(const SkRect& rect, SkScalar xRad, SkScalar yRad);
/**
+ * Initialize the rr with one radius per-side.
+ */
+ void setNinePatch(const SkRect& rect, SkScalar leftRad, SkScalar topRad,
+ SkScalar rightRad, SkScalar bottomRad);
+
+ /**
* Initialize the RR with potentially different radii for all four corners.
*/
void setRectRadii(const SkRect& rect, const SkVector radii[4]);