SkMultiPictureDocument & SkMultiPictureDocumentReader

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
 
 #include "DMGpuSupport.h"
 #include "SkBBHFactory.h"
 #include "SkBBoxHierarchy.h"
 #include "SkBitmap.h"
 #include "SkBitmapRegionDecoder.h"
 #include "SkCanvas.h"
 #include "SkData.h"
+#include "SkMultiPictureDocumentReader.h"
 #include "SkPicture.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) {}
     ImplicitString() : SkString("") {}
@@ skipping 31 matching lines @@
 };
 
 struct Src {
     virtual ~Src() {}
     virtual Error SK_WARN_UNUSED_RESULT draw(SkCanvas*) const = 0;
     virtual SkISize size() const = 0;
     virtual Name name() const = 0;
     virtual void modifyGrContextOptions(GrContextOptions* options) const {}
     virtual bool veto(SinkFlags) const { return false; }
 
+    virtual int pageCount() const { return 1; }
+    virtual Error SK_WARN_UNUSED_RESULT draw(int, SkCanvas* canvas) const {
+        return this->draw(canvas);
+    }
+    virtual SkISize size(int) const { return this->size(); }
     // Force Tasks using this Src to run on the main thread?
     virtual bool serial() const { return false; }
 };
 
 struct Sink {
     virtual ~Sink() {}
     // You may write to either the bitmap or stream.  If you write to log, we'll print that out.
     virtual Error SK_WARN_UNUSED_RESULT draw(const Src&, SkBitmap*, SkWStream*, SkString* log)
         const = 0;
 
@@ skipping 157 matching lines @@
 
     Error draw(SkCanvas*) const override;
     SkISize size() const override;
     Name name() const override;
 private:
     Path fPath;
 };
 
 /*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
 
+class MSKPSrc : public Src {
+public:
+    explicit MSKPSrc(Path path);
+
+    int pageCount() const override;
+    Error draw(SkCanvas* c) const override;
+    Error draw(int, SkCanvas*) const override;
+    SkISize size() const override;
+    SkISize size(int) const override;
+    Name name() const override;
+
+private:
+    Path fPath;
+    SkMultiPictureDocumentReader fReader;
+};
+
+/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
+
 class NullSink : public Sink {
 public:
     NullSink() {}
 
     Error draw(const Src& src, SkBitmap*, SkWStream*, SkString*) const override;
     const char* fileExtension() const override { return ""; }
     SinkFlags flags() const override { return SinkFlags{ SinkFlags::kNull, SinkFlags::kDirect }; }
 };
 
 
@@ skipping 140 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