Initial error handling code

src/effects/SkColorMatrixFilter.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 "SkColorMatrixFilter.h"
 #include "SkColorMatrix.h"
 #include "SkColorPriv.h"
@@ skipping 292 matching lines @@
     this->INHERITED::flatten(buffer);
     SkASSERT(sizeof(fMatrix.fMat)/sizeof(SkScalar) == 20);
     buffer.writeScalarArray(fMatrix.fMat, 20);
 }
 
 SkColorMatrixFilter::SkColorMatrixFilter(SkFlattenableReadBuffer& buffer)
         : INHERITED(buffer) {
     SkASSERT(buffer.getArrayCount() == 20);
     buffer.readScalarArray(fMatrix.fMat);
     this->initState(fMatrix.fMat);
+    for (int i = 0; i < 20; ++i) {
+        buffer.validate(SkScalarIsFinite(fMatrix.fMat[i]));
+    }
 }
 
 bool SkColorMatrixFilter::asColorMatrix(SkScalar matrix[20]) const {
     if (matrix) {
         memcpy(matrix, fMatrix.fMat, 20 * sizeof(SkScalar));
     }
     return true;
 }
 
 #if SK_SUPPORT_GPU
@@ skipping 163 matching lines @@
     str->append("matrix: (");
     for (int i = 0; i < 20; ++i) {
         str->appendScalar(fMatrix.fMat[i]);
         if (i < 19) {
             str->append(", ");
         }
     }
     str->append(")");
 }
 #endif