db/d70/sample_8h_source.html

#pragma once


#include "fl/gfx/crgb.h"

#include "fl/stl/noexcept.h"


namespace fl {


class XYMap;


enum class SampleMode {

    SAMPLE_NEAREST,

    SAMPLE_BILINEAR,

};


CRGB sample(const CRGB *grid, const XYMap &xyMap, float x, float y,

            SampleMode mode = SampleMode::SAMPLE_BILINEAR) FL_NO_EXCEPT;


CRGB sampleBilinear(const CRGB *grid, const XYMap &xyMap, float x, float y) FL_NO_EXCEPT;


CRGB sampleNearest(const CRGB *grid, const XYMap &xyMap, float x, float y) FL_NO_EXCEPT;


} // namespace fl

xyMap
fl::XYMap xyMap
Definition Animartrix.ino:94

y
int y
Definition simple.h:93

x
int x
Definition simple.h:92

fl::XYMap
Definition xymap.h:41

crgb.h
Defines the 8-bit red, green, and blue (RGB) pixel type in the fl namespace.

CRGB
fl::CRGB CRGB
Definition crgb.h:25

fl::sample
CRGB sample(const CRGB *grid, const XYMap &xyMap, float x, float y, SampleMode mode) FL_NO_EXCEPT
Sample a pixel from a 2D CRGB grid at floating-point coordinates.
Definition sample.cpp.hpp:10

fl::sampleBilinear
CRGB sampleBilinear(const CRGB *grid, const XYMap &xyMap, float x, float y) FL_NO_EXCEPT
Bilinear interpolation sample from a 2D CRGB grid.
Definition sample.cpp.hpp:18

fl::SampleMode
SampleMode
Interpolation mode for sampling a 2D grid.
Definition sample.h:14

fl::SampleMode::SAMPLE_BILINEAR
@ SAMPLE_BILINEAR
Bilinear interpolation (smooth)
Definition sample.h:16

fl::SampleMode::SAMPLE_NEAREST
@ SAMPLE_NEAREST
Nearest neighbor (fast, pixelated)
Definition sample.h:15

fl::sampleNearest
CRGB sampleNearest(const CRGB *grid, const XYMap &xyMap, float x, float y) FL_NO_EXCEPT
Nearest-neighbor sample from a 2D CRGB grid.
Definition sample.cpp.hpp:43

fl
Base definition for an LED controller.
Definition crgb.hpp:179

noexcept.h

FL_NO_EXCEPT
#define FL_NO_EXCEPT