Add rotation APIs in radians to SkCanvas, SkMatrix

include/core/SkMatrix.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkMatrix_DEFINED
@@ skipping 183 matching lines @@
     */
     bool setIDiv(int divx, int divy);
     /** Set the matrix to rotate by the specified number of degrees, with a
         pivot point at (px, py). The pivot point is the coordinate that should
         remain unchanged by the specified transformation.
     */
     void setRotate(SkScalar degrees, SkScalar px, SkScalar py);
     /** Set the matrix to rotate about (0,0) by the specified number of degrees.
     */
     void setRotate(SkScalar degrees);
+    /** Set the matrix to rotate by the specified number of radians, with a
+        pivot point at (px, py). The pivot point is the coordinate that should
+        remain unchanged by the specified transformation.
+    */
+    void setRotateRadians(SkScalar radians, SkScalar px, SkScalar py);
+    /** Set the matrix to rotate about (0,0) by the specified number of radians.
+    */
+    void setRotateRadians(SkScalar radians);
     /** Set the matrix to rotate by the specified sine and cosine values, with
         a pivot point at (px, py). The pivot point is the coordinate that
         should remain unchanged by the specified transformation.
     */
     void setSinCos(SkScalar sinValue, SkScalar cosValue,
                    SkScalar px, SkScalar py);
     /** Set the matrix to rotate by the specified sine and cosine values.
     */
     void setSinCos(SkScalar sinValue, SkScalar cosValue);
     /** Set the matrix to skew by sx and sy, with a pivot point at (px, py).
@@ skipping 23 matching lines @@
     */
     bool preScale(SkScalar sx, SkScalar sy);
     /** Preconcats the matrix with the specified rotation.
         M' = M * R(degrees, px, py)
     */
     bool preRotate(SkScalar degrees, SkScalar px, SkScalar py);
     /** Preconcats the matrix with the specified rotation.
         M' = M * R(degrees)
     */
     bool preRotate(SkScalar degrees);
+    /** Preconcats the matrix with the specified rotation.
+        M' = M * R(radians, px, py)
+    */
+    bool preRotateRadians(SkScalar degrees, SkScalar px, SkScalar py);
+    /** Preconcats the matrix with the specified rotation.
+        M' = M * R(radians)
+    */
+    bool preRotateRadians(SkScalar degrees);
     /** Preconcats the matrix with the specified skew.
         M' = M * K(kx, ky, px, py)
     */
     bool preSkew(SkScalar kx, SkScalar ky, SkScalar px, SkScalar py);
     /** Preconcats the matrix with the specified skew.
         M' = M * K(kx, ky)
     */
     bool preSkew(SkScalar kx, SkScalar ky);
     /** Preconcats the matrix with the specified matrix.
         M' = M * other
@@ skipping 17 matching lines @@
     */
     bool postIDiv(int divx, int divy);
     /** Postconcats the matrix with the specified rotation.
         M' = R(degrees, px, py) * M
     */
     bool postRotate(SkScalar degrees, SkScalar px, SkScalar py);
     /** Postconcats the matrix with the specified rotation.
         M' = R(degrees) * M
     */
     bool postRotate(SkScalar degrees);
+    /** Postconcats the matrix with the specified rotation.
+        M' = R(radians, px, py) * M
+    */
+    bool postRotateRadians(SkScalar degrees, SkScalar px, SkScalar py);
+    /** Postconcats the matrix with the specified rotation.
+        M' = R(radians) * M
+    */
+    bool postRotateRadians(SkScalar degrees);
     /** Postconcats the matrix with the specified skew.
         M' = K(kx, ky, px, py) * M
     */
     bool postSkew(SkScalar kx, SkScalar ky, SkScalar px, SkScalar py);
     /** Postconcats the matrix with the specified skew.
         M' = K(kx, ky) * M
     */
     bool postSkew(SkScalar kx, SkScalar ky);
     /** Postconcats the matrix with the specified matrix.
         M' = other * M
@@ skipping 400 matching lines @@
     static void RotTrans_pts(const SkMatrix&, SkPoint dst[], const SkPoint[],
                              int count);
     static void Persp_pts(const SkMatrix&, SkPoint dst[], const SkPoint[], int);
 
     static const MapPtsProc gMapPtsProcs[];
 
     friend class SkPerspIter;
 };
 
 #endif