Enable flattening and unflattening of SkColorSpace

src/core/SkMatrix44.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkMatrix44.h"
 
 static inline bool eq4(const SkMScalar* SK_RESTRICT a,
@@ skipping 67 matching lines @@
     const SkMScalar* src = &fMat[0][0];
 #ifdef SK_MSCALAR_IS_DOUBLE
     for (int i = 0; i < 16; ++i) {
         dst[i] = SkMScalarToFloat(src[i]);
     }
 #elif defined SK_MSCALAR_IS_FLOAT
     memcpy(dst, src, 16 * sizeof(float));
 #endif
 }
 
+void SkMatrix44::as4x3ColMajorf(float dst[]) const {
+    const SkMScalar* src = &fMat[0][0];
+#ifdef SK_MSCALAR_IS_DOUBLE
+    for (int i = 0; i < 12; ++i) {
+        dst[i] = SkMScalarToFloat(src[i]);
+    }
+#elif defined SK_MSCALAR_IS_FLOAT
+    memcpy(dst, src, 12 * sizeof(float));
+#endif
+}
+
 void SkMatrix44::asColMajord(double dst[]) const {
     const SkMScalar* src = &fMat[0][0];
 #ifdef SK_MSCALAR_IS_DOUBLE
     memcpy(dst, src, 16 * sizeof(double));
 #elif defined SK_MSCALAR_IS_FLOAT
     for (int i = 0; i < 16; ++i) {
         dst[i] = SkMScalarToDouble(src[i]);
     }
 #endif
 }
@@ skipping 112 matching lines @@
 }
 
 void SkMatrix44::set3x3ColMajorf(const float src[]) {
     fMat[0][0] = src[0]; fMat[0][1] = src[3]; fMat[0][2] = src[6]; fMat[0][3] = 0;
     fMat[1][0] = src[1]; fMat[1][1] = src[4]; fMat[1][2] = src[7]; fMat[1][3] = 0;
     fMat[2][0] = src[2]; fMat[2][1] = src[5]; fMat[2][2] = src[8]; fMat[2][3] = 0;
     fMat[3][0] = 0;      fMat[3][1] = 0;      fMat[3][2] = 0;      fMat[3][3] = 1;
     this->dirtyTypeMask();
 }
 
+void SkMatrix44::set4x3ColMajorf(const float src[]) {
+    fMat[0][0] = src[0]; fMat[0][1] = src[1]; fMat[0][2] = src[2];  fMat[0][3] = src[3];
+    fMat[1][0] = src[4]; fMat[1][1] = src[5]; fMat[1][2] = src[6];  fMat[1][3] = src[7];
+    fMat[2][0] = src[8]; fMat[2][1] = src[9]; fMat[2][2] = src[10]; fMat[2][3] = src[11];
+    fMat[3][0] = 0;      fMat[3][1] = 0;      fMat[3][2] = 0;       fMat[3][3] = 1;
+    this->dirtyTypeMask();
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 void SkMatrix44::setTranslate(SkMScalar dx, SkMScalar dy, SkMScalar dz) {
     this->setIdentity();
 
     if (!dx && !dy && !dz) {
         return;
     }
 
     fMat[3][0] = dx;
@@ skipping 765 matching lines @@
     dst[SkMatrix::kMSkewY]  = SkMScalarToScalar(fMat[0][1]);
     dst[SkMatrix::kMScaleY] = SkMScalarToScalar(fMat[1][1]);
     dst[SkMatrix::kMTransY] = SkMScalarToScalar(fMat[3][1]);
 
     dst[SkMatrix::kMPersp0] = SkMScalarToScalar(fMat[0][3]);
     dst[SkMatrix::kMPersp1] = SkMScalarToScalar(fMat[1][3]);
     dst[SkMatrix::kMPersp2] = SkMScalarToScalar(fMat[3][3]);
 
     return dst;
 }