Initial error handling code

src/effects/SkBlurMaskFilter.cpp

 
 /*
  * 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.
  */
 
 #include "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
@@ skipping 88 matching lines @@
                                        uint32_t flags) {
     // use !(sigma > 0) instead of sigma <= 0 to reject NaN values
     if (!(sigma > 0) || (unsigned)style >= SkBlurMaskFilter::kBlurStyleCount
         || flags > SkBlurMaskFilter::kAll_BlurFlag) {
         return NULL;
     }
 
     return SkNEW_ARGS(SkBlurMaskFilterImpl, (sigma, style, flags));
 }
 
+SkFlattenable::Factory SkBlurMaskFilter::GetFactory(SkFlattenable::Type type) {
+    if (type == SkFlattenable::kSkBlurMaskFilterImpl_Type) {
+        return SkBlurMaskFilterImpl::CreateProc;
+    }
+    return NULL;
+}
+
+SkFlattenable::TypeCheck SkBlurMaskFilter::GetTypeCheck(SkFlattenable::Type type) {
+    if (type == SkFlattenable::kSkBlurMaskFilterImpl_Type) {
+        return SkBlurMaskFilterImpl::IsA;
+    }
+    return NULL;
+}
+
 ///////////////////////////////////////////////////////////////////////////////
 
 SkBlurMaskFilterImpl::SkBlurMaskFilterImpl(SkScalar sigma,
                                            SkBlurMaskFilter::BlurStyle style,
                                            uint32_t flags)
     : fSigma(sigma), fBlurStyle(style), fBlurFlags(flags) {
 #if 0
     fGamma = NULL;
     if (gammaScale) {
         fGamma = new U8[256];
@@ skipping 354 matching lines @@
     } else {
         str->append("None");
     }
     str->append("))");
 }
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END