ViaAndroidSDK for DM

dm/DMSrcSinkAndroid.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 DMSrcSinkAndroid_DEFINED
 #define DMSrcSinkAndroid_DEFINED
 
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
 
 #include "DMSrcSink.h"
 
+#include "SkDrawFilter.h"
+
 namespace DM {
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
+// Draws to the Android Framework's HWUI API.
+
 class HWUISink : public Sink {
 public:
     HWUISink() { }
 
     Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const SK_OVERRIDE;
     int enclave() const SK_OVERRIDE { return kGPU_Enclave; }
     const char* fileExtension() const SK_OVERRIDE { return "png"; }
 
 private:
     const float kDensity = 1.0f;
     inline float dp(int x) const { return x * kDensity; }
 };
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
+// Trims draw commands and paint fields to only include options exposed by Android's HWUI.
+// (Some mix of what's exposed by the Java and native APIs.)
+
+class ViaAndroidSDK : public Sink {
+public:
+    ViaAndroidSDK(Sink*);

[mtklein, 2015/03/03 15:55:14]

Can't hurt to make this explicit.

[tomhudson, 2015/03/05 14:53:52]

Done.

+
+    Error draw(const Src&, SkBitmap*, SkWStream*, SkString*) const SK_OVERRIDE;
+    int enclave() const SK_OVERRIDE { return fSink->enclave(); }
+    const char* fileExtension() const SK_OVERRIDE { return fSink->fileExtension(); }
+
+private:
+    SkAutoTDelete<Sink> fSink;
+    SkAutoTDelete<SkDrawFilter> fFilter;

[djsollen, 2015/03/03 16:50:52]

just put the filter on the stack.  No need to reuse the same one each time as it
is a stateless object.

[tomhudson, 2015/03/05 14:53:52]

Done.

+};
+
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+
 }  // namespace DM
 
 #endif  // SK_BUILD_FOR_ANDROID_FRAMEWORK
 
 #endif  // DMSrcSinkAndroid_DEFINED