segment_views.cpp

#include "segment_views.h"

StripView::StripView (Adafruit_NeoPixel& n_strip, uint8_t n_starting_led, uint8_t n_length):
  strip (n_strip),
  starting_led (n_starting_led),
  length (n_length),
  spot_count (0) /* Initializer list */
{
}

void StripView::add (Spot *spot)
{
  spots[spot_count] = spot;
  spot_count++;
}

void StripView::update ()
{
  for(int i = 0; i < spot_count; i++)
  {
    spots[i]->update ();
  }
}


void StripView::draw ()
{
  /* TODO figure out where strip view and spot view separate for drawing logic.. does spot view create the dots and colors and then strip over lays those pixels into its buffer (additive or whatever) */

  for (uint8_t i = 0; i < spot_count; i++)
  {
    spots[i]->update ();

    for (uint8_t w = 0; w < spots[i]->width; w++)
    {

      uint8_t position = (int(spots[i]->position * length) + w) - spots[i]->width/2;

      draw_at ((position % length) + starting_led, spots[i]->color);
    }
  }
}

void StripView::clear ()
{
  for(uint8_t i = starting_led; i < (starting_led+length); i++)
  {
    uint32_t start_color = strip.getPixelColor (i);
    uint8_t r,g,b;

    r = (uint8_t)(start_color >> 16),
    g = (uint8_t)(start_color >>  8),
    b = (uint8_t)(start_color >>  0);

    uint32_t color = strip.Color (r * 0.9, g * 0.9, b * 0.9);

    strip.setPixelColor (i, strip.Color(0,0,0));
  }
}

void StripView::draw_at (uint8_t position, uint32_t color)
{
  strip.setPixelColor (position, color);
}

void StripView::add_at (uint8_t position, uint32_t color)
{
  uint32_t added_colors = add_colors (color, strip.getPixelColor (position));
  strip.setPixelColor (position, added_colors);
}

uint32_t StripView::add_colors (uint32_t color1, uint32_t color2)
{
  uint8_t r1,g1,b1;
  uint8_t r2,g2,b2;
  uint8_t r3,g3,b3;

  r1 = (uint8_t)(color1 >> 16),
  g1 = (uint8_t)(color1 >>  8),
  b1 = (uint8_t)(color1 >>  0);

  r2 = (uint8_t)(color2 >> 16),
  g2 = (uint8_t)(color2 >>  8),
  b2 = (uint8_t)(color2 >>  0);


  return strip.Color (constrain (r1+r2, 0, 255), constrain (g1+g2, 0, 255), constrain (b1+b2, 0, 255));
}

void StripView::unload_theme ()
{
  for(int i = 0; i < spot_count; i++)
  {
    delete spots[i];
  }
  spot_count = 0;
}