use colortype instead of config

src/pdf/SkPDFDevice.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 "SkPDFDevice.h"
 
 #include "SkAnnotation.h"
@@ skipping 686 matching lines @@
         fContentEntry = fDevice->setUpContentEntry(clipStack, clipRegion,
                                                    matrix, paint, hasText,
                                                    &fDstFormXObject);
     }
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 
 static inline SkBitmap makeContentBitmap(const SkISize& contentSize,
                                          const SkMatrix* initialTransform) {
-    SkBitmap bitmap;
+    SkImageInfo info;
     if (initialTransform) {
         // Compute the size of the drawing area.
         SkVector drawingSize;
         SkMatrix inverse;
         drawingSize.set(SkIntToScalar(contentSize.fWidth),
                         SkIntToScalar(contentSize.fHeight));
         if (!initialTransform->invert(&inverse)) {
             // This shouldn't happen, initial transform should be invertible.
             SkASSERT(false);
             inverse.reset();
         }
         inverse.mapVectors(&drawingSize, 1);
         SkISize size = SkSize::Make(drawingSize.fX, drawingSize.fY).toRound();
-        bitmap.setConfig(SkBitmap::kNo_Config, abs(size.fWidth),
-                         abs(size.fHeight));
+        info = SkImageInfo::MakeUnknown(abs(size.fWidth), abs(size.fHeight));
     } else {
-        bitmap.setConfig(SkBitmap::kNo_Config, abs(contentSize.fWidth),
-                         abs(contentSize.fHeight));
+        info = SkImageInfo::MakeUnknown(abs(contentSize.fWidth),
+                                        abs(contentSize.fHeight));
     }
 
+    SkBitmap bitmap;
+    bitmap.setConfig(info);
     return bitmap;
 }
 
 // TODO(vandebo) change pageSize to SkSize.
+// TODO: inherit from SkBaseDevice instead of SkBitmapDevice
 SkPDFDevice::SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize,
                          const SkMatrix& initialTransform)
     : SkBitmapDevice(makeContentBitmap(contentSize, &initialTransform)),
       fPageSize(pageSize),
       fContentSize(contentSize),
       fLastContentEntry(NULL),
       fLastMarginContentEntry(NULL),
       fClipStack(NULL),
       fEncoder(NULL),
       fRasterDpi(72.0f) {
@@ skipping 1577 matching lines @@
 }
 
 bool SkPDFDevice::onReadPixels(const SkBitmap& bitmap, int x, int y,
                                SkCanvas::Config8888) {
     return false;
 }
 
 bool SkPDFDevice::allowImageFilter(const SkImageFilter*) {
     return false;
 }