image.h

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/*****************************************************************************************
 * SGCT                                                                                  *
 * Simple Graphics Cluster Toolkit                                                       *
 *                                                                                       *
 * Copyright (c) 2012-2026                                                               *
 * For conditions of distribution and use, see copyright notice in LICENSE.md            *
 ****************************************************************************************/
 
#ifndef __SGCT__IMAGE__H__
#define __SGCT__IMAGE__H__
 
#include <sgct/sgctexports.h>
 
#include <sgct/math.h>
#include <filesystem>
 
namespace sgct {
 
class SGCT_EXPORT Image {
public:
    Image() = default;
    ~Image();
 
    void allocateOrResizeData();
    void load(const std::filesystem::path& filename);
    void load(unsigned char* data, int length);

    void save(const std::filesystem::path& filename);
 
    unsigned char* data();
    const unsigned char* data() const;
    int channels() const;
    int bytesPerChannel() const;
    ivec2 size() const;
 
    void setSize(ivec2 size);
    void setChannels(int channels);
    void setBytesPerChannel(int bpc);
 
private:
    int _nChannels = 0;
    ivec2 _size = ivec2{ 0, 0 };
    unsigned int _dataSize = 0;
    int _bytesPerChannel = 1;
    unsigned char* _data = nullptr;
};
 
} // namespace sgct
 
#endif // __SGCT__IMAGE__H__