Revert of Sketch DM refactor.

dm/DMSrcSink.h

Index: dm/DMSrcSink.h
diff --git a/dm/DMSrcSink.h b/dm/DMSrcSink.h
deleted file mode 100644
index 3f88f6350b8d48c3b6e3b5b5c0cf54bccee88f65..0000000000000000000000000000000000000000
--- a/dm/DMSrcSink.h
+++ /dev/null
@@ -1,177 +0,0 @@
-#ifndef DMSrcSink_DEFINED
-#define DMSrcSink_DEFINED
-
-#include "DMGpuSupport.h"
-#include "SkBBHFactory.h"
-#include "SkBBoxHierarchy.h"
-#include "SkBitmap.h"
-#include "SkCanvas.h"
-#include "SkData.h"
-#include "SkGPipe.h"
-#include "SkPicture.h"
-#include "SkStream.h"
-#include "gm.h"
-
-namespace DM {
-
-// This is just convenience.  It lets you use either return "foo" or return SkStringPrintf(...).
-struct ImplicitString : public SkString {
-    template <typename T>
-    ImplicitString(const T& s) : SkString(s) {}
-};
-typedef ImplicitString Error;
-typedef ImplicitString Name;
-
-struct Src {
-    // All Srcs must be thread safe.
-    virtual ~Src() {}
-    virtual Error SK_WARN_UNUSED_RESULT draw(SkCanvas*) const = 0;
-    virtual SkISize size() const = 0;
-    virtual Name name() const = 0;
-};
-
-struct Sink {
-    virtual ~Sink() {}
-    // You may write to either the bitmap or stream.
-    virtual Error SK_WARN_UNUSED_RESULT draw(const Src&, SkBitmap*, SkWStream*) const
-        = 0;
-    // Sinks in the same enclave (except kAnyThread_Enclave) will run serially on the same thread.
-    virtual int enclave() const = 0;
-
-    // File extension for the content draw() outputs, e.g. "png", "pdf".
-    virtual const char* fileExtension() const  = 0;
-};
-
-enum { kAnyThread_Enclave, kGPUSink_Enclave, kPDFSink_Enclave };
-static const int kNumEnclaves = kPDFSink_Enclave + 1;
-
-/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
-
-void SafeUnref(SkPicture*);  // These need external linkage (and specific types).
-void SafeUnref(SkData*);
-
-class GMSrc : public Src {
-public:
-    explicit GMSrc(skiagm::GMRegistry::Factory);
-
-    Error draw(SkCanvas*) const SK_OVERRIDE;
-    SkISize size() const SK_OVERRIDE;
-    Name name() const SK_OVERRIDE;
-private:
-    skiagm::GMRegistry::Factory fFactory;
-};
-
-class ImageSrc : public Src {
-public:
-    explicit ImageSrc(SkString path, int subsets = 0);
-
-    Error draw(SkCanvas*) const SK_OVERRIDE;
-    SkISize size() const SK_OVERRIDE;
-    Name name() const SK_OVERRIDE;
-private:
-    SkString                     fPath;
-    int                          fSubsets;
-    SkLazyPtr<SkData, SafeUnref> fEncoded;
-};
-
-class SKPSrc : public Src {
-public:
-    explicit SKPSrc(SkString path);
-
-    Error draw(SkCanvas*) const SK_OVERRIDE;
-    SkISize size() const SK_OVERRIDE;
-    Name name() const SK_OVERRIDE;
-private:
-    SkString                        fPath;
-    SkLazyPtr<SkPicture, SafeUnref> fPic;
-};
-
-/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
-
-class GPUSink : public Sink {
-public:
-    GPUSink(GrContextFactory::GLContextType, GrGLStandard, int samples, bool dfText);
-
-    Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
-    int enclave() const SK_OVERRIDE;
-    const char* fileExtension() const SK_OVERRIDE { return "png"; }
-private:
-    GrContextFactory::GLContextType fContextType;
-    GrGLStandard                    fGpuAPI;
-    int                             fSampleCount;
-    bool                            fUseDFText;
-};
-
-class PDFSink : public Sink {
-public:
-    PDFSink();
-
-    Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
-    int enclave() const SK_OVERRIDE { return kPDFSink_Enclave; }
-    const char* fileExtension() const SK_OVERRIDE { return "pdf"; }
-};
-
-class RasterSink : public Sink {
-public:
-    explicit RasterSink(SkColorType);
-
-    Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
-    int enclave() const SK_OVERRIDE { return kAnyThread_Enclave; }
-    const char* fileExtension() const SK_OVERRIDE { return "png"; }
-private:
-    SkColorType    fColorType;
-};
-
-/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
-
-class ViaMatrix : public Sink {
-public:
-    ViaMatrix(SkMatrix, Sink*);
-
-    Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
-    int enclave() const SK_OVERRIDE { return fSink->enclave(); }
-    const char* fileExtension() const SK_OVERRIDE { return fSink->fileExtension(); }
-private:
-    SkMatrix            fMatrix;
-    SkAutoTDelete<Sink> fSink;
-};
-
-class ViaPipe : public Sink {
-public:
-    ViaPipe(int flags, Sink*);
-
-    Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
-    int enclave() const SK_OVERRIDE { return fSink->enclave(); }
-    const char* fileExtension() const SK_OVERRIDE { return fSink->fileExtension(); }
-private:
-    SkGPipeWriter::Flags fFlags;
-    SkAutoTDelete<Sink>  fSink;
-};
-
-class ViaSerialization : public Sink {
-public:
-    explicit ViaSerialization(Sink*);
-
-    Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
-    int enclave() const SK_OVERRIDE { return fSink->enclave(); }
-    const char* fileExtension() const SK_OVERRIDE { return fSink->fileExtension(); }
-private:
-    SkAutoTDelete<Sink> fSink;
-};
-
-class ViaTiles : public Sink {
-public:
-    ViaTiles(int w, int h, SkBBHFactory*, Sink*);
-
-    Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
-    int enclave() const SK_OVERRIDE { return fSink->enclave(); }
-    const char* fileExtension() const SK_OVERRIDE { return fSink->fileExtension(); }
-private:
-    const int                   fW, fH;
-    SkAutoTDelete<SkBBHFactory> fFactory;
-    SkAutoTDelete<Sink>         fSink;
-};
-
-}  // namespace DM
-
-#endif//DMSrcSink_DEFINED