add installPixels

src/core/SkDevice.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 "SkDevice.h"
 #include "SkMetaData.h"
@@ skipping 74 matching lines @@
     SkIRect srcRect = SkIRect::MakeXYWH(x, y, bitmap->width(),
                                               bitmap->height());
     SkIRect devbounds = SkIRect::MakeWH(src.width(), src.height());
     if (!srcRect.intersect(devbounds)) {
         return false;
     }
 
     SkBitmap tmp;
     SkBitmap* bmp;
     if (bitmap->isNull()) {
-        tmp.setConfig(SkBitmap::kARGB_8888_Config, bitmap->width(),
-                                                   bitmap->height());
-        if (!tmp.allocPixels()) {
+        if (!tmp.allocPixels(SkImageInfo::MakeN32Premul(bitmap->width(),
+                                                        bitmap->height()))) {
             return false;
         }
         bmp = &tmp;
     } else {
         bmp = bitmap;
     }
 
     SkIRect subrect = srcRect;
     subrect.offset(-x, -y);
     SkBitmap bmpSubset;
     bmp->extractSubset(&bmpSubset, subrect);
 
     bool result = this->onReadPixels(bmpSubset,
                                      srcRect.fLeft,
                                      srcRect.fTop,
                                      config8888);
     if (result && bmp == &tmp) {
         tmp.swap(*bitmap);
     }
     return result;
 }