add installPixels

src/core/SkBitmapDevice.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBitmapDevice.h"
 #include "SkConfig8888.h"
 #include "SkDraw.h"
@@ skipping 146 matching lines @@
         }
 
         // write directly to the device if it has pixels and is SkPMColor
         bool drawSprite;
         if (SkBitmap::kARGB_8888_Config == dstBmp.config() && !dstBmp.isNull()) {
             // we can write directly to the dst when doing the conversion
             dstBmp.extractSubset(&dstBmp, spriteRect);
             drawSprite = false;
         } else {
             // we convert to a temporary bitmap and draw that as a sprite
-            dstBmp.setConfig(SkBitmap::kARGB_8888_Config,
-                             spriteRect.width(),
-                             spriteRect.height());
-            if (!dstBmp.allocPixels()) {
+            if (!dstBmp.allocPixels(SkImageInfo::MakeN32Premul(spriteRect.width(),
+                                                               spriteRect.height()))) {
                 return;
             }
             drawSprite = true;
         }
 
         // copy pixels to dstBmp and convert from config8888 to native config.
         SkAutoLockPixels alp(bitmap);
         uint32_t* srcPixels = bitmap.getAddr32(spriteRect.fLeft - x,
                                                spriteRect.fTop - y);
         SkCopyConfig8888ToBitmap(dstBmp,
@@ skipping 217 matching lines @@
         paint.getStyle() != SkPaint::kFill_Style ||
         !SkXfermode::IsMode(paint.getXfermode(), SkXfermode::kSrcOver_Mode)) {
         // turn off lcd
         flags->fFlags = paint.getFlags() & ~SkPaint::kLCDRenderText_Flag;
         flags->fHinting = paint.getHinting();
         return true;
     }
     // we're cool with the paint as is
     return false;
 }