Add SkMatrix44::setTranspose

It turned out that adding getDouble(...) and setDouble(...) made this change
easier, so I've included that in this cl as well.

Review URL: https://codereview.appspot.com/6845048

git-svn-id: http://skia.googlecode.com/svn/trunk@6424 2bbb7eff-a529-9590-31e7-b0007b416f81

1 files changed, 10 insertions, 0 deletions

diff --git a/include/utils/SkMatrix44.h b/include/utils/SkMatrix44.h
index 97faf783f4..a046a079df 100644
--- a/include/utils/SkMatrix44.h
+++ b/include/utils/SkMatrix44.h
@@ -119,6 +119,13 @@ public:
     SkMScalar get(int row, int col) const;
     void set(int row, int col, const SkMScalar& value);
 
+    double getDouble(int row, int col) const {
+        return SkMScalarToDouble(this->get(row, col));
+    }
+    void setDouble(int row, int col, double value) {
+        this->set(row, col, SkDoubleToMScalar(value));
+    }
+
     void asColMajorf(float[]) const;
     void asColMajord(double[]) const;
     void asRowMajorf(float[]) const;
@@ -183,6 +190,9 @@ public:
      */
     bool invert(SkMatrix44* inverse) const;
 
+    /** Transpose this matrix in place. */
+    void transpose();
+
     /** Apply the matrix to the src vector, returning the new vector in dst.
         It is legal for src and dst to point to the same memory.
      */