DM: support --config {f16,srgb}

dm/DMSrcSink.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef DMSrcSink_DEFINED
 #define DMSrcSink_DEFINED
 
@@ skipping 231 matching lines @@
 public:
     XPSSink();
 
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
     const char* fileExtension() const override { return "xps"; }
     SinkFlags flags() const override { return SinkFlags{ SinkFlags::kVector, SinkFlags::kDirect }; }
 };
 
 class RasterSink : public Sink {
 public:
-    explicit RasterSink(SkColorType);
+    explicit RasterSink(SkColorType, SkColorProfileType=kLinear_SkColorProfileType);
 
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
     const char* fileExtension() const override { return "png"; }
     SinkFlags flags() const override { return SinkFlags{ SinkFlags::kRaster, SinkFlags::kDirect }; }
 private:
-    SkColorType    fColorType;
+    SkColorType        fColorType;
+    SkColorProfileType fProfileType;
 };
 
 class SKPSink : public Sink {
 public:
     SKPSink();
 
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
     const char* fileExtension() const override { return "skp"; }
     SinkFlags flags() const override { return SinkFlags{ SinkFlags::kVector, SinkFlags::kDirect }; }
 };
@@ skipping 89 matching lines @@
 
 class ViaMojo : public Via {
 public:
     explicit ViaMojo(Sink* sink) : Via(sink) {}
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const override;
 };
 
 }  // namespace DM
 
 #endif//DMSrcSink_DEFINED