47 class ANDROID_API Matrix4 {
80     Matrix4() { loadIdentity(); }  in Matrix4()  function
82     explicit Matrix4(const float* v) { load(v); }  in Matrix4()  function
84     Matrix4(const SkMatrix& v) {  // NOLINT(google-explicit-constructor)  in Matrix4()  function
95     Matrix4& operator=(const SkMatrix& v) {
100     friend bool operator==(const Matrix4& a, const Matrix4& b) {
104     friend bool operator!=(const Matrix4& a, const Matrix4& b) { return !(a == b); }
111     void loadInverse(const Matrix4& v);
118     void loadMultiply(const Matrix4& u, const Matrix4& v);
125     void multiplyInverse(const Matrix4& v) {  in multiplyInverse()
126         Matrix4 inv;  in multiplyInverse()
131     void multiply(const Matrix4& v) {  in multiply()
133             Matrix4 u;  in multiply()
152             Matrix4 u;
167         Matrix4 u;  in scale()
173         Matrix4 u;  in skew()
179         Matrix4 u;  in rotate()
211     friend std::ostream& operator<<(std::ostream& os, const Matrix4& matrix) {
227     static const Matrix4& identity();
246 typedef Matrix4 mat4;