Factory methods for heap-allocated SkMaskFilter objects.

include/effects/SkKernel33MaskFilter.h

 /*
  * Copyright 2008 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.
  */
 
 #ifndef SkKernel33MaskFilter_DEFINED
 #define SkKernel33MaskFilter_DEFINED
 
 #include "SkMaskFilter.h"
 
 class SK_API SkKernel33ProcMaskFilter : public SkMaskFilter {
 public:
-    SkKernel33ProcMaskFilter(unsigned percent256 = 256)
-        : fPercent256(percent256) {}
-
     virtual uint8_t computeValue(uint8_t* const* srcRows) const = 0;
 
     virtual SkMask::Format getFormat() const SK_OVERRIDE;
     virtual bool filterMask(SkMask*, const SkMask&, const SkMatrix&,
                             SkIPoint*) const SK_OVERRIDE;
 
     SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;)
 
 protected:
+    SkKernel33ProcMaskFilter(unsigned percent256 = 256)
+        : fPercent256(percent256) {}
     SkKernel33ProcMaskFilter(SkReadBuffer& rb);
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
 private:
     int fPercent256;
 
     typedef SkMaskFilter INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 class SK_API SkKernel33MaskFilter : public SkKernel33ProcMaskFilter {
 public:
-    SkKernel33MaskFilter(const int coeff[3][3], int shift, int percent256 = 256)
-            : SkKernel33ProcMaskFilter(percent256) {
-        memcpy(fKernel, coeff, 9 * sizeof(int));
-        fShift = shift;
+    static SkKernel33MaskFilter* Create(const int coeff[3][3], int shift, int percent256 = 256) {
+        return SkNEW_ARGS(SkKernel33MaskFilter, (coeff, shift, percent256));
     }
 
     // override from SkKernel33ProcMaskFilter
     virtual uint8_t computeValue(uint8_t* const* srcRows) const SK_OVERRIDE;
 
     SkDEVCODE(virtual void toString(SkString* str) const SK_OVERRIDE;)
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkKernel33MaskFilter)
 
+protected:
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    SkKernel33MaskFilter(const int coeff[3][3], int shift, int percent256 = 256)
+            : SkKernel33ProcMaskFilter(percent256) {
+        memcpy(fKernel, coeff, 9 * sizeof(int));
+        fShift = shift;
+    }
+
 private:
     int fKernel[3][3];
     int fShift;
 
     SkKernel33MaskFilter(SkReadBuffer& rb);
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
     typedef SkKernel33ProcMaskFilter INHERITED;
 };
 
 #endif