Refactor read and write buffers.

src/effects/gradients/SkGradientShader.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 "SkGradientShaderPriv.h"
 #include "SkLinearGradient.h"
 #include "SkRadialGradient.h"
@@ skipping 125 matching lines @@
 }
 
 static SkShader::TileMode unpack_mode(uint32_t packed) {
     return (SkShader::TileMode)(packed & 0xF);
 }
 
 static uint32_t unpack_flags(uint32_t packed) {
     return packed >> 4;
 }
 
-SkGradientShaderBase::SkGradientShaderBase(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
+SkGradientShaderBase::SkGradientShaderBase(SkReadBuffer& buffer) : INHERITED(buffer) {
     fCacheAlpha = 256;
 
     fMapper = buffer.readUnitMapper();
 
     fCache16 = fCache16Storage = NULL;
     fCache32 = NULL;
     fCache32PixelRef = NULL;
 
     int colorCount = fColorCount = buffer.getArrayCount();
     if (colorCount > kColorStorageCount) {
@@ skipping 41 matching lines @@
 
 void SkGradientShaderBase::initCommon() {
     fFlags = 0;
     unsigned colorAlpha = 0xFF;
     for (int i = 0; i < fColorCount; i++) {
         colorAlpha &= SkColorGetA(fOrigColors[i]);
     }
     fColorsAreOpaque = colorAlpha == 0xFF;
 }
 
-void SkGradientShaderBase::flatten(SkFlattenableWriteBuffer& buffer) const {
+void SkGradientShaderBase::flatten(SkWriteBuffer& buffer) const {
     this->INHERITED::flatten(buffer);
     buffer.writeFlattenable(fMapper);
     buffer.writeColorArray(fOrigColors, fColorCount);
     buffer.writeUInt(pack_mode_flags(fTileMode, fGradFlags));
     if (fColorCount > 2) {
         Rec* recs = fRecs;
         for (int i = 1; i < fColorCount; i++) {
             buffer.writeInt(recs[i].fPos);
             buffer.writeUInt(recs[i].fScale);
         }
@@ skipping 919 matching lines @@
             (*stops)[i] = stop;
             stop = i < outColors - 1 ? stop + random->nextUScalar1() * (1.f - stop) : 1.f;
         }
     }
     *tm = static_cast<SkShader::TileMode>(random->nextULessThan(SkShader::kTileModeCount));
 
     return outColors;
 }
 
 #endif