scale_up.h

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#pragma once
 
#include "fl/stl/stdint.h"
#include "fl/stl/span.h"
 
#include "fl/math/xymap.h"       // Needed for constructor parameter  // IWYU pragma: keep
#include "fl/fx/fx2d.h"


#define FASTLED_SCALE_UP_ALWAYS_POWER_OF_2 0

#define FASTLED_SCALE_UP_HIGH_PRECISION 1

#define FASTLED_SCALE_UP_DECIDE_AT_RUNTIME 2

#define FASTLED_SCALE_UP_FORCE_FLOATING_POINT 3

 
#ifndef FASTLED_SCALE_UP
#define FASTLED_SCALE_UP FASTLED_SCALE_UP_DECIDE_AT_RUNTIME
#endif
 
namespace fl {
 
FASTLED_SHARED_PTR(ScaleUp);

class ScaleUp : public Fx2d {
  public:
    ScaleUp(const XYMap& xymap, Fx2dPtr fx);

    void draw(DrawContext context) override;
 
    fl::string fxName() const override { return "scale_up"; }

    void expand(fl::span<const CRGB> input, fl::span<CRGB> output, u16 width,
                u16 height, const XYMap& mXyMap);
 
  private:
    void noExpand(fl::span<const CRGB> input, fl::span<CRGB> output, u16 width,
                  u16 height);
 
    Fx2dPtr mDelegate;  
    fl::vector_psram<CRGB> mSurface;  
};
 
} // namespace fl