sprocket-device-illucat/lib/NeoPattern/NeoPattern_api_modes.cpp

#ifndef __NEOPATTERN_API_MODES__
#define __NEOPATTERN_API_MODES__

#include "NeoPattern.cpp"

enum PIXEL_MODE { PIXELS_OFF = 0, COLOR_WHEEL_MODE = 1, COLOR_MODE = 2, PATTERN_MODE = 3};
typedef void (*PIXEL_FP)(NeoPattern*, const char *);

/*
    Array of function pointers to be used as lookup table using the int values of PIXEL_MODE.
    TODO header file + separate functions instead of lambdas
*/
const PIXEL_FP PIXEL_FNCS[] = {
    /* 
        PIXESL_OFF 
        Sets all pixels to black.
    */
    [](NeoPattern* pixels, const char *color){        
        pixels->clear();
        pixels->ColorSet(0);
    },
    /* 
        COLOR_WHEEL_MODE 
        Input: integer color from 0 to 155
        Uses the color wheel to set a color.
        If given integer is <= 1, set the color to black.
        By using this function, Color1 and Color2 is set on the pixels; 
            Color1 = new color, Color2 = last color.
    */
    [](NeoPattern* pixels, const char *color){
        int c1 = atoi(color);
        int c2 = pixels->Color1;
        pixels->Color1 = c1;
        pixels->Color2 = c2;
        pixels->ActivePattern = NONE;
        if(c1 <= 1) {
            pixels->ColorSet(0); 
            return;
        }
        pixels->ColorSet(pixels->Wheel(c1));
    },
    /* 
        COLOR_MODE 
        Input: rgb hex color without #
        parses the hex string to r,g,b and sets all pixels accordingly
    */
    [](NeoPattern* pixels, const char *color){
        int r, g, b;
        sscanf(color, "%02x%02x%02x", &r, &g, &b);
        pixels->ColorSet(pixels->Color(r,g,b));
    },
    /* 
        PATTERN_MODE 
        Input: id of the pattern
        Sets the active pattern on the strip.
        As every pattern has another API, all fields need to be set before, for example by using COLOR_WHEEL_MODE.
    */
    [](NeoPattern* pixels, const char *id){
        pattern p = (pattern)atoi(id);
        pixels->Interval = 50;
        pixels->TotalSteps = pixels->numPixels();
        pixels->ActivePattern = p;
    }
};

#endif