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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
//
// 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/System/NonCopyable.hpp>
#include <SFML/System/Vector2.hpp>
#include <string>
#include <vector>
namespace sf
{
class InputStream;
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Load/save image files
///
////////////////////////////////////////////////////////////
class ImageLoader : NonCopyable
{
public:
////////////////////////////////////////////////////////////
/// \brief Get the unique instance of the class
///
/// \return Reference to the ImageLoader instance
///
////////////////////////////////////////////////////////////
static ImageLoader& getInstance();
////////////////////////////////////////////////////////////
/// \brief Load an image from a file on disk
///
/// \param filename Path of image file to load
/// \param pixels Array of pixels to fill with loaded image
/// \param size Size of loaded image, in pixels
///
/// \return True if loading was successful
///
////////////////////////////////////////////////////////////
bool loadImageFromFile(const std::string& filename, std::vector<Uint8>& pixels, Vector2u& size);
////////////////////////////////////////////////////////////
/// \brief Load an image from a file in memory
///
/// \param data Pointer to the file data in memory
/// \param dataSize Size of the data to load, in bytes
/// \param pixels Array of pixels to fill with loaded image
/// \param size Size of loaded image, in pixels
///
/// \return True if loading was successful
///
////////////////////////////////////////////////////////////
bool loadImageFromMemory(const void* data, std::size_t dataSize, std::vector<Uint8>& pixels, Vector2u& size);
////////////////////////////////////////////////////////////
/// \brief Load an image from a custom stream
///
/// \param stream Source stream to read from
/// \param pixels Array of pixels to fill with loaded image
/// \param size Size of loaded image, in pixels
///
/// \return True if loading was successful
///
////////////////////////////////////////////////////////////
bool loadImageFromStream(InputStream& stream, std::vector<Uint8>& pixels, Vector2u& size);
////////////////////////////////////////////////////////////
/// \brief Save an array of pixels as an image file
///
/// \param filename Path of image file to save
/// \param pixels Array of pixels to save to image
/// \param size Size of image to save, in pixels
///
/// \return True if saving was successful
///
////////////////////////////////////////////////////////////
bool saveImageToFile(const std::string& filename, const std::vector<Uint8>& pixels, const Vector2u& size);
private:
////////////////////////////////////////////////////////////
/// \brief Default constructor
///
////////////////////////////////////////////////////////////
ImageLoader();
////////////////////////////////////////////////////////////
/// \brief Destructor
///
////////////////////////////////////////////////////////////
~ImageLoader();
////////////////////////////////////////////////////////////
/// \brief Save an image file in JPEG format
///
/// \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<Uint8>& pixels, unsigned int width, unsigned int height);
};
} // namespace priv
} // namespace sf
#endif // SFML_IMAGELOADER_HPP
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