NazaraEngine/include/Nazara/Utility/Image.hpp

136 lines
3.8 KiB
C++

// Copyright (C) 2012 Jérôme Leclercq
// This file is part of the "Nazara Engine".
// For conditions of distribution and use, see copyright notice in Config.hpp
#pragma once
#ifndef NAZARA_IMAGE_HPP
#define NAZARA_IMAGE_HPP
#include <Nazara/Prerequesites.hpp>
#include <Nazara/Core/InputStream.hpp>
#include <Nazara/Math/Rect.hpp>
#include <Nazara/Utility/ResourceLoader.hpp>
#include <Nazara/Utility/PixelFormat.hpp>
#include <Nazara/Utility/Resource.hpp>
//#include <Nazara/Utility/ThreadSafety.hpp>
enum nzCubemapFace
{
nzCubemapFace_PositiveX,
nzCubemapFace_NegativeX,
nzCubemapFace_PositiveY,
nzCubemapFace_NegativeY,
nzCubemapFace_PositiveZ,
nzCubemapFace_NegativeZ
};
enum nzImageType
{
nzImageType_1D,
nzImageType_2D,
nzImageType_3D,
nzImageType_Cubemap
};
struct NzImageParams
{
bool IsValid() const
{
return true;
}
};
///TODO: Filtres
///TODO: Mipmaps
class NAZARA_API NzImage : public NzResource, public NzResourceLoader<NzImage, NzImageParams>
{
public:
struct SharedImage;
NzImage();
NzImage(const NzImage& image);
NzImage(NzImage&& image);
NzImage(SharedImage* sharedImage);
~NzImage();
bool Copy(const NzImage& source, const NzRectui& srcRect, const NzVector2ui& dstPos);
bool CopyToFace(nzCubemapFace face, const NzImage& source, const NzRectui& srcRect, const NzVector2ui& dstPos);
bool Create(nzImageType type, nzPixelFormat format, unsigned int width, unsigned int height = 1, unsigned int depth = 1);
void Destroy();
nzUInt8 GetBPP() const;
const nzUInt8* GetConstPixels() const;
unsigned int GetDepth() const;
nzPixelFormat GetFormat() const;
unsigned int GetHeight() const;
nzUInt8* GetPixels();
unsigned int GetSize() const;
nzImageType GetType() const;
unsigned int GetWidth() const;
bool IsCompressed() const;
bool IsCubemap() const;
bool IsValid() const;
bool LoadFromFile(const NzString& filePath, const NzImageParams& params = NzImageParams());
bool LoadFromMemory(const void* data, std::size_t size, const NzImageParams& params = NzImageParams());
bool LoadFromStream(NzInputStream& stream, const NzImageParams& params = NzImageParams());
bool Update(const nzUInt8* pixels);
bool Update(const nzUInt8* pixels, const NzRectui& rect);
bool UpdateFace(nzCubemapFace face, const nzUInt8* pixels);
bool UpdateFace(nzCubemapFace face, const nzUInt8* pixels, const NzRectui& rect);
NzImage& operator=(const NzImage& image);
NzImage& operator=(NzImage&& image);
static void RegisterFileLoader(const NzString& extensions, LoadFileFunction loadFile);
static void RegisterMemoryLoader(IsMemoryLoadingSupportedFunction isLoadingSupported, LoadMemoryFunction loadMemory);
static void RegisterStreamLoader(IsStreamLoadingSupportedFunction isLoadingSupported, LoadStreamFunction loadStream);
static void UnregisterFileLoader(const NzString& extensions, LoadFileFunction loadFile);
static void UnregisterMemoryLoader(IsMemoryLoadingSupportedFunction isLoadingSupported, LoadMemoryFunction loadMemory);
static void UnregisterStreamLoader(IsStreamLoadingSupportedFunction isLoadingSupported, LoadStreamFunction loadStream);
struct SharedImage
{
SharedImage() : // Vivement GCC 4.7 sur Windows
refCount(1)
{
}
SharedImage(unsigned short RefCount, nzImageType Type, nzPixelFormat Format, nzUInt8* Pixels, unsigned int Width, unsigned int Height = 1, unsigned int Depth = 1) :
type(Type),
format(Format),
pixels(Pixels),
depth(Depth),
height(Height),
width(Width),
refCount(RefCount)
{
}
nzImageType type;
nzPixelFormat format;
nzUInt8* pixels;
unsigned int depth;
unsigned int height;
unsigned int width;
unsigned short refCount;
NazaraMutex(mutex)
};
static SharedImage emptyImage;
private:
void EnsureOwnership();
void ReleaseImage();
SharedImage* m_sharedImage;
};
#endif // NAZARA_IMAGE_HPP