Method processDrawInstructions

src/DisplayManager.cpp:2340–2458

}

void DisplayManager_::processDrawInstructions(int16_t xOffset, int16_t yOffset, String &drawInstructions)
{
  DynamicJsonDocument doc(8192);
  DeserializationError error = deserializeJson(doc, drawInstructions);

  if (error)
  {
    Serial.println("Error parsing JSON draw instructions");
    return;
  }

  if (!doc.is<JsonArray>())
  {
    Serial.println("Invalid JSON draw instructions format");
    return;
  }

  JsonArray instructions = doc.as<JsonArray>();
  for (JsonObject instruction : instructions)
  {
    for (auto kvp : instruction)
    {
      String command = kvp.key().c_str();

      JsonArray params = kvp.value().as<JsonArray>();
      if (command == "dp")
      {
        int x = params[0].as<int>();
        int y = params[1].as<int>();
        auto color1 = params[2];
        uint32_t color = getColorFromJsonVariant(color1, TEXTCOLOR_888);
        matrix->drawPixel(x + xOffset, y + yOffset, color);
      }
      else if (command == "dl")
      {
        int x0 = params[0].as<int>();
        int y0 = params[1].as<int>();
        int x1 = params[2].as<int>();
        int y1 = params[3].as<int>();
        auto color2 = params[4];
        uint32_t color = getColorFromJsonVariant(color2, TEXTCOLOR_888);
        drawLine(x0 + xOffset, y0 + yOffset, x1 + xOffset, y1 + yOffset, color);
      }
      else if (command == "dr")
      {
        int x = params[0].as<int>();
        int y = params[1].as<int>();
        int w = params[2].as<int>();
        int h = params[3].as<int>();
        auto color3 = params[4];
        uint32_t color = getColorFromJsonVariant(color3, TEXTCOLOR_888);
        drawRect(x + xOffset, y + yOffset, w, h, color);
      }
      else if (command == "df")
      {
        int x = params[0].as<int>();
        int y = params[1].as<int>();
        int w = params[2].as<int>();