add ImageGenerator::NewFromData to porting layer

samplecode/SampleEncode.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleCode.h"
 #include "SkView.h"
 #include "SkCanvas.h"
 #include "SkData.h"
-#include "SkDecodingImageGenerator.h"
+#include "SkImageGenerator.h"
 #include "SkGradientShader.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkPath.h"
 #include "SkRegion.h"
 #include "SkShader.h"
 #include "SkUtils.h"
 #include "SkXfermode.h"
 #include "SkColorPriv.h"
@@ skipping 163 matching lines @@
                 yy += SkIntToScalar(fBitmaps[i].height() + 10);
 
                 SkBitmap bm;
                 SkData* encoded = NULL;
                 if (SkImageEncoder::kJPEG_Type == gTypes[j]) {
                     encoded = fEncodedJPEGs[i].get();
                 } else if (SkImageEncoder::kPNG_Type == gTypes[j]) {
                     encoded = fEncodedPNGs[i].get();
                 }
                 if (encoded) {
-                    if (!SkInstallDiscardablePixelRef(
-                            SkDecodingImageGenerator::Create(encoded,
-                                SkDecodingImageGenerator::Options()),
-                            &bm)) {
+                    if (!SkInstallDiscardablePixelRef(encoded, &bm)) {
                     SkDebugf("[%s:%d] failed to decode %s%s\n",
                              __FILE__, __LINE__,gConfigLabels[i], gExt[j]);
                     }
                     canvas->drawBitmap(bm, x, yy);
                 }
             }
 
             x += SkIntToScalar(fBitmaps[i].width() + SPACER);
             if (x > maxX) {
                 maxX = x;
@@ skipping 17 matching lines @@
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new EncodeView; }
 static SkViewRegister reg(MyFactory);