SoftwareImage.h

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#pragma once
 
#include <cstdint>
#include <string>
#include <vector>
 
class SoftwareImage
{
public:
    SoftwareImage() = default;
 
    SoftwareImage(int width, int height);
 
    SoftwareImage(const uint8_t* bgraData, int width, int height);
 
    int width() const { return w_; }
 
    int height() const { return h_; }
 
    bool empty() const { return w_ == 0 || h_ == 0; }
 
    uint8_t* data() { return pixels_.data(); }
 
    const uint8_t* data() const { return pixels_.data(); }
 
    SoftwareImage scaled(int newWidth, int newHeight) const;
 
    SoftwareImage mirrored() const;
 
    bool savePNG(const std::string& path) const;
 
    bool savePNG(const std::wstring& path) const;
 
    void composite(const SoftwareImage& src, int destX, int destY, int blendMode = 1);
 
    void assign(const SoftwareImage& src);
 
    static SoftwareImage loadFromMemory(const uint8_t* data, int size);
 
private:
    int w_ = 0;
    int h_ = 0;
    std::vector<uint8_t> pixels_; // BGRA format, 4 bytes per pixel
};