The Color class represents an RGBA color value. It can is derived from Vector4, and just adds a couple color-specific features. Classes that use colors (i.e. Material) treat them as Vector4s, so explicit use of the Color class is not required.
#include <dms/Color.h> Color(void); Color(GLfloat r,GLfloat g,GLfloat b,GLfloat a); void apply(void) const; static const Color White; static const Color Black; static const Color Red; static const Color Green; static const Color Blue; static const Color Cyan; static const Color Magenta; static const Color Yellow; static const Color Grey10; static const Color Grey20; static const Color Grey30; static const Color Grey40; static const Color Grey50; static const Color Grey60; static const Color Grey70; static const Color Grey80; static const Color Grey90;
Color(void) Color(GLfloat r,GLfloat g,GLfloat b,GLfloat a)
The default constructor (with no arguments) creates the color (0,0,0,1) - black, with a solid alpha.
void apply(void) const
apply() calls glColor4fv with the color vector as its argument. e.g.:
Color purple(1, 0, 0.5, 1); purple.apply();
static const Color White etc.
The constant variables define a set of standard colors. The colors and their values are as follows:
White | (1, 1, 1, 1) |
Black | (0, 0, 0, 1) |
Red | (1, 0, 0, 1) |
Green | (0, 1, 0, 1) |
Blue | (0, 0, 1, 1) |
Cyan | (0, 1, 1, 1) |
Magenta | (1, 0, 1, 1) |
Yellow | (1, 1, 0, 1) |
Grey10 | (.1, .1, .1, 1) |
Grey20 | (.2, .2, .2, 1) |
Grey30 | (.3, .3, .3, 1) |
Grey40 | (.4, .4, .4, 1) |
Grey50 | (.5, .5, .5, 1) |
Grey60 | (.6, .6, .6, 1) |
Grey70 | (.7, .7, .7, 1) |
Grey80 | (.8, .8, .8, 1) |
Grey90 | (.9, .9, .9, 1) |