Belle2::TangoPalette Namespace Reference

Implements a colour palette, see http://sobac.com/sobac/tangocolors.htm. More...

Functions
const char *	getHex (const std::string &tangoName, int tangoId=1)
	Get six-digit hex code (#abcdef) for given name in tango colour palette. More...
int	getTColorID (const std::string &tangoName, int tangoId=1)
	Get TColor ID for given name in tango colour palette. More...

Detailed Description

Implements a colour palette, see http://sobac.com/sobac/tangocolors.htm.

Functions take a name (Aluminium, Slate, Chameleon, ...) and an ID (1: light, 2: medium, 3: dark) Invalid names/id produce an exception.

Function Documentation

getHex()

const char * getHex	(	const std::string &	tangoName,
		int	tangoId = 1
	)

Get six-digit hex code (#abcdef) for given name in tango colour palette.

e.g. getHex("Aluminium", 3) returns "\#eeeeec".

Definition at line 18 of file ColorPalette.cc.

  {
    using ColorTuple = std::array<const char*, 3>;
    static std::map<std::string, ColorTuple> tango;
    if (tango.empty()) {
      tango["Aluminium"] =   ColorTuple({"#eeeeec",  "#d3d7cf",  "#babdb6"});
      tango["Butter"] =      ColorTuple({"#fce94f",  "#edd400",  "#c4a000"});
      tango["Chameleon"] =   ColorTuple({"#8ae234",  "#73d216",  "#4e9a06"});
      tango["Orange"] =      ColorTuple({"#fcaf3e",  "#f57900",  "#ce5c00"});
      tango["Chocolate"] =   ColorTuple({"#e9b96e",  "#c17d11",  "#8f5902"});
      tango["Sky Blue"] =    ColorTuple({"#729fcf",  "#3465a4",  "#204a87"});
      tango["Plum"] =        ColorTuple({"#ad7fa8",  "#75507b",  "#5c3566"});
      tango["Slate"] =       ColorTuple({"#888a85",  "#555753",  "#2e3436"});
      tango["Scarlet Red"] = ColorTuple({"#ef2929",  "#cc0000",  "#a40000"});
    }
 
    if (tangoId < 1 or tangoId > 3)
      throw std::runtime_error("tangoId must be 1, 2, or 3!");
    return tango.at(tangoName)[tangoId - 1];
  }

getTColorID()

int getTColorID	(	const std::string &	tangoName,
		int	tangoId = 1
	)

Get TColor ID for given name in tango colour palette.

Use this for setting colours for ROOT objects.

Definition at line 39 of file ColorPalette.cc.