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#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 "SkNullCanvas.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) {}
};
typedef ImplicitString Error;
typedef ImplicitString Name;
typedef ImplicitString Path;
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, kGPU_Enclave, kPDFSink_Enclave };
static const int kNumEnclaves = kPDFSink_Enclave + 1;
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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:
// divisor == 0 means decode the whole image
// divisor > 0 means decode in subsets, dividing into a divisor x divisor grid.
explicit ImageSrc(Path path, int divisor = 0);
Error draw(SkCanvas*) const SK_OVERRIDE;
SkISize size() const SK_OVERRIDE;
Name name() const SK_OVERRIDE;
private:
Path fPath;
const int fDivisor;
};
class SKPSrc : public Src {
public:
explicit SKPSrc(Path path);
Error draw(SkCanvas*) const SK_OVERRIDE;
SkISize size() const SK_OVERRIDE;
Name name() const SK_OVERRIDE;
private:
Path fPath;
};
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
class GPUSink : public Sink {
public:
GPUSink(GrContextFactory::GLContextType, GrGLStandard, int samples, bool dfText, bool threaded);
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;
bool fThreaded;
};
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 SKPSink : public Sink {
public:
SKPSink();
Error draw(const Src&, SkBitmap*, SkWStream*) const SK_OVERRIDE;
int enclave() const SK_OVERRIDE { return kAnyThread_Enclave; }
const char* fileExtension() const SK_OVERRIDE { return "skp"; }
};
/*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*/
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:
explicit ViaPipe(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 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;
};
class NullSink : public Sink {
public:
Error draw(const Src& src, SkBitmap*, SkWStream* out) const SK_OVERRIDE {
return src.draw(SkCreateNullCanvas());
}
int enclave() const SK_OVERRIDE { return kAnyThread_Enclave; }
const char* fileExtension() const SK_OVERRIDE { return ""; }
};
} // namespace DM
#endif//DMSrcSink_DEFINED
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