remove dst/rendertarget support for kARGB_4444_Config

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 18 matching lines @@
 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 xfer4444(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 {
         kZero_Coeff,    /** 0 */
         kOne_Coeff,     /** 1 */
         kSC_Coeff,      /** src color */
         kISC_Coeff,     /** inverse src color (i.e. 1 - sc) */
@@ skipping 200 matching lines @@
 */
 class SkProcXfermode : public SkXfermode {
 public:
     SkProcXfermode(SkXfermodeProc proc) : fProc(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 xfer4444(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(SkFlattenableReadBuffer&);
     virtual void flatten(SkFlattenableWriteBuffer&) const SK_OVERRIDE;
 
     // allow subclasses to update this after we unflatten
     void setProc(SkXfermodeProc proc) {
         fProc = proc;
     }
 
 private:
     SkXfermodeProc  fProc;
 
     typedef SkXfermode INHERITED;
 };
 
 #endif