Res.h

Go to the documentation of this file.

// Res.h
//
// Copyright (c) 2014 Michael Imamura.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied.
//
// See the License for the specific language governing permissions
// and limitations under the License.

#pragma once

#include "../Util/MR_Types.h"
#include "../Exception.h"

#if defined(_WIN32) && defined(HR_ENGINE_SHARED)
#   ifdef MR_ENGINE
#       define MR_DllDeclare   __declspec( dllexport )
#   else
#       define MR_DllDeclare   __declspec( dllimport )
#   endif
#else
#   define MR_DllDeclare
#endif

namespace HoverRace {
    namespace Display {
        class Texture;
    }
}


namespace HoverRace {
namespace Display {

class ResLoadExn;

class BaseRes
{
public:
    virtual ~BaseRes() { }

public:
    virtual std::string GetId() const = 0;

    virtual std::unique_ptr<std::istream> Open() const = 0;
};

template<class T>
class Res : public BaseRes
{
public:
    virtual ~Res() { }
};

template<>
class Res<Texture> : public BaseRes
{
public:
    virtual ~Res() { }

public:
    struct ImageData
    {
        ImageData() : pixels(),
            width(0), height(0), depth(32), pitch(0),
            rMask(0), gMask(0), bMask(0), aMask(0) { }
        ImageData(const ImageData &o) = delete;
        ImageData(ImageData &&o) = default;

        ImageData &operator=(const ImageData &o) = delete;
        ImageData &operator=(ImageData &&o) = default;

        std::unique_ptr<MR_UInt8[]> pixels;
        int width;
        int height;
        int depth;
        int pitch;
        MR_UInt32 rMask;
        MR_UInt32 gMask;
        MR_UInt32 bMask;
        MR_UInt32 aMask;
    };

public:
    virtual bool IsGenerated() const
    {
        return false;
    }

    virtual const ImageData *GetImageData()
    {
        return nullptr;
    }
};

class ResLoadExn : public Exception
{
    typedef Exception SUPER;

public:
    ResLoadExn() : SUPER() { }
    ResLoadExn(const std::string &msg) : SUPER(msg) { }
    ResLoadExn(const char *msg) : SUPER(msg) { }
    virtual ~ResLoadExn() noexcept { }
};

}  // namespace Display
}  // namespace HoverRace

#undef MR_DllDeclare