utils/tools/color/functions.hpp File Reference

Detailed Description

Color operators and functions.

Definition in file utils/tools/color/functions.hpp.

#include <iosfwd>
#include <map>
#include <string>
#include <vector>

Go to the source code of this file.

Namespaces
	genesis
	Container namespace for all symbols of genesis in order to keep them separate when used as a library.
	genesis::utils

Functions
Color	color_from_bytes (unsigned char r, unsigned char g, unsigned char b, unsigned char a=255)
	Create a Color given three or four values in the range [ 0, 255 ] for each of the components red, green and blue, and optionally alpha. More...
Color	color_from_hex (std::string const &hex_color, std::string const &prefix="#")
	Create a Color given a hex color string in the format "#003366[ff]". More...
std::string	color_to_hex (Color const &c, std::string const &prefix="#", bool uppercase=false, bool with_alpha=false)
	Return a hex string representation of a Color in the format "#003366[ff]". More...
Color	gradient (std::map< double, Color > const &ranges, double value)
	Returns a Color that is created using a color gradient. More...
Color	heat_gradient (double percentage)
	Return a Color that represents a heat gradient for a given percentage value. More...
Color	interpolate (Color const &color1, Color const &color2, double fraction)
	Linearily interpolate between two Colors. More...
std::ostream &	operator<< (std::ostream &os, Color const &h)
	Write a textual representation of the Color the a stream, in the format "(r, g, b, a)". More...
Color	resolve_color_string (std::string const &color_str)
	Resolve a string representing a color. More...