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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef ok_DEFINED
#define ok_DEFINED
#include "SkCanvas.h"
#include <functional>
#include <future>
#include <map>
#include <memory>
#include <string>
// Not really ok-specific, but just kind of generally handy.
template <typename T>
static std::unique_ptr<T> move_unique(T& v) {
return std::unique_ptr<T>{new T{std::move(v)}};
}
void ok_log(const char*);
enum class Status { OK, Failed, Crashed, Skipped, None };
struct Engine {
virtual ~Engine() {}
virtual bool crashproof() = 0;
virtual std::future<Status> spawn(std::function<Status(void)>) = 0;
};
struct Src {
virtual ~Src() {}
virtual std::string name() = 0;
virtual SkISize size() = 0;
virtual Status draw(SkCanvas*) = 0;
};
struct Stream {
virtual ~Stream() {}
virtual std::unique_ptr<Src> next() = 0;
};
struct Dst {
virtual ~Dst() {}
virtual Status draw(Src*) = 0;
virtual sk_sp<SkImage> image() = 0;
};
class Options {
std::map<std::string, std::string> kv;
public:
explicit Options(std::string = "");
std::string& operator[](std::string k);
std::string operator()(std::string k, std::string fallback = "") const;
};
// Create globals to register your new type of Stream or Dst.
struct Register {
Register(const char* name, const char* help, std::unique_ptr<Engine> (*factory)(Options));
Register(const char* name, const char* help, std::unique_ptr<Stream> (*factory)(Options));
Register(const char* name, const char* help, std::unique_ptr<Dst> (*factory)(Options));
Register(const char* name, const char* help,
std::unique_ptr<Dst>(*factory)(Options, std::unique_ptr<Dst>));
};
#endif//ok_DEFINED
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