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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2008 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_IMAGELOADER_HPP
#define SFML_IMAGELOADER_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Graphics/Color.hpp>
#include <SFML/System/NonCopyable.hpp>
#include <string>
#include <vector>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// ImageLoader load and save images from files ;
/// Supported formats are : bmp, dds, jpg, png, tga, psd
////////////////////////////////////////////////////////////
class ImageLoader : NonCopyable
{
public :
////////////////////////////////////////////////////////////
/// Get the unique instance of the class
///
/// \return Reference to the ImageLoader instance
///
////////////////////////////////////////////////////////////
static ImageLoader& GetInstance();
////////////////////////////////////////////////////////////
/// Load pixels from an image file
///
/// \param Filename : Path of image file to load
/// \param Pixels : Array of pixels to fill with loaded image
/// \param Width : Width of loaded image, in pixels
/// \param Height : Height of loaded image, in pixels
///
/// \return True if loading was successful
///
////////////////////////////////////////////////////////////
bool LoadImageFromFile(const std::string& Filename, std::vector<Color>& Pixels, unsigned int& Width, unsigned int& Height);
////////////////////////////////////////////////////////////
/// Load pixels from an image file in memory
///
/// \param Data : Pointer to the file data in memory
/// \param SizeInBytes : Size of the data to load, in bytes
/// \param Pixels : Array of pixels to fill with loaded image
/// \param Width : Width of loaded image, in pixels
/// \param Height : Height of loaded image, in pixels
///
/// \return True if loading was successful
///
////////////////////////////////////////////////////////////
bool LoadImageFromMemory(const char* Data, std::size_t SizeInBytes, std::vector<Color>& Pixels, unsigned int& Width, unsigned int& Height);
////////////////////////////////////////////////////////////
/// Save pixels to an image file
///
/// \param Filename : Path of image file to save
/// \param Pixels : Array of pixels to save to image
/// \param Width : Width of image to save, in pixels
/// \param Height : Height of image to save, in pixels
///
/// \return True if saving was successful
///
////////////////////////////////////////////////////////////
bool SaveImageToFile(const std::string& Filename, const std::vector<Color>& Pixels, unsigned int Width, unsigned int Height);
private :
////////////////////////////////////////////////////////////
/// Default constructor
///
////////////////////////////////////////////////////////////
ImageLoader();
////////////////////////////////////////////////////////////
/// Destructor
///
////////////////////////////////////////////////////////////
~ImageLoader();
////////////////////////////////////////////////////////////
/// Save a JPG image file
///
/// \param Filename : Path of image file to save
/// \param Pixels : Array of pixels to save to image
/// \param Width : Width of image to save, in pixels
/// \param Height : Height of image to save, in pixels
///
/// \return True if saving was successful
///
////////////////////////////////////////////////////////////
bool WriteJpg(const std::string& Filename, const std::vector<Color>& Pixels, unsigned int Width, unsigned int Height);
////////////////////////////////////////////////////////////
/// Save a PNG image file
///
/// \param Filename : Path of image file to save
/// \param Pixels : Array of pixels to save to image
/// \param Width : Width of image to save, in pixels
/// \param Height : Height of image to save, in pixels
///
/// \return True if saving was successful
///
////////////////////////////////////////////////////////////
bool WritePng(const std::string& Filename, const std::vector<Color>& Pixels, unsigned int Width, unsigned int Height);
};
} // namespace priv
} // namespace sf
#endif // SFML_IMAGELOADER_HPP
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