Move SkImage::encode to SkImageEncoder

src/image/SkImage.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkImagePriv.h"
@@ skipping 65 matching lines @@
 GrTexture* SkImage::getTexture() {
     return as_IB(this)->onGetTexture();
 }
 
 SkShader* SkImage::newShader(SkShader::TileMode tileX,
                              SkShader::TileMode tileY,
                              const SkMatrix* localMatrix) const {
     return as_IB(this)->onNewShader(tileX, tileY, localMatrix);
 }
 
-SkData* SkImage::encode(SkImageEncoder::Type type, int quality) const {
-    SkBitmap bm;
-    if (as_IB(this)->getROPixels(&bm)) {
-        return SkImageEncoder::EncodeData(bm, type, quality);
-    }
-    return NULL;
+bool SkImage::getBitmapForEncoding(SkBitmap* bm) const {
+    return as_IB(this)->getROPixels(bm);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static bool raster_canvas_supports(const SkImageInfo& info) {
     switch (info.colorType()) {
         case kN32_SkColorType:
             return kUnpremul_SkAlphaType != info.alphaType();
         case kRGB_565_SkColorType:
             return true;
@@ skipping 29 matching lines @@
 
     SkCanvas canvas(*bitmap);
 
     SkPaint paint;
     paint.setXfermodeMode(SkXfermode::kClear_Mode);
     canvas.drawRect(dstR, paint);
 
     canvas.drawImageRect(this, &srcR, dstR);
     return true;
 }