Factory methods for heap-allocated SkPathEffect and SkXfermode objects.

include/core/SkXfermode.h

 
 /*
  * 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.
  */
 
 
 #ifndef SkXfermode_DEFINED
@@ skipping 14 matching lines @@
  *  specified in the Modes enum. When an SkXfermode is assigned to an SkPaint,
  *  then objects drawn with that paint have the xfermode applied.
  *
  *  All subclasses are required to be reentrant-safe : it must be legal to share
  *  the same instance between several threads.
  */
 class SK_API SkXfermode : public SkFlattenable {
 public:
     SK_DECLARE_INST_COUNT(SkXfermode)
 
-    SkXfermode() {}
-
     virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count,
                         const SkAlpha aa[]) const;
     virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count,
                         const SkAlpha aa[]) const;
     virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count,
                         const SkAlpha aa[]) const;
 
     /** Enum of possible coefficients to describe some xfermodes
      */
     enum Coeff {
@@ skipping 176 matching lines @@
     /** The default implementation of xfer32/xfer16/xferA8 in turn call this
         method, 1 color at a time (upscaled to a SkPMColor). The default
         implmentation of this method just returns dst. If performance is
         important, your subclass should override xfer32/xfer16/xferA8 directly.
 
         This method will not be called directly by the client, so it need not
         be implemented if your subclass has overridden xfer32/xfer16/xferA8
     */
     virtual SkPMColor xferColor(SkPMColor src, SkPMColor dst) const;
 
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    SkXfermode() {}
+
 private:
     enum {
         kModeCount = kLastMode + 1
     };
 
     friend class SkGraphics;
     static void Term();
 
     typedef SkFlattenable INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 /** \class SkProcXfermode
 
     SkProcXfermode is a xfermode that applies the specified proc to its colors.
     This class is not exported to java.
 */
 class SkProcXfermode : public SkXfermode {
 public:
-    SkProcXfermode(SkXfermodeProc proc) : fProc(proc) {}
+    static SkProcXfermode* Create(SkXfermodeProc proc) {
+        return SkNEW_ARGS(SkProcXfermode, (proc));
+    }
 
     // overrides from SkXfermode
     virtual void xfer32(SkPMColor dst[], const SkPMColor src[], int count,
                         const SkAlpha aa[]) const SK_OVERRIDE;
     virtual void xfer16(uint16_t dst[], const SkPMColor src[], int count,
                         const SkAlpha aa[]) const SK_OVERRIDE;
     virtual void xferA8(SkAlpha dst[], const SkPMColor src[], int count,
                         const SkAlpha aa[]) const SK_OVERRIDE;
 
     SK_DEVELOPER_TO_STRING()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkProcXfermode)
 
 protected:
     SkProcXfermode(SkReadBuffer&);
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
     // allow subclasses to update this after we unflatten
     void setProc(SkXfermodeProc proc) {
         fProc = proc;
     }
 
     SkXfermodeProc getProc() const {
         return fProc;
     }
 
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    SkProcXfermode(SkXfermodeProc proc) : fProc(proc) {}
+
 private:
     SkXfermodeProc  fProc;
 
     typedef SkXfermode INHERITED;
 };
 
 #endif