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Color Class Reference

Klasse die Operationen auf Farbwerten definiert, um ein einfaches rechnen mit Farben zu ermöglichen. More...

#include <color.h>

List of all members.

Public Methods

 Color ()
 Color (rgb col)
 Color (float rf, float gf, float bf)
 ~Color ()
const Color operator+ (const Color &col) const
 Addition zweier Farbwerte.

const Color operator * (const float &alpha) const
 Multiplikation eines Farbwertes mit einem Skalar.

const Color operator/ (const float &scalar) const
 Divisiion eines Farbwertes durch einen Skalar.

const Color operator= (const Color &col)
const Color operator+= (const Color &col)
rgb toRGB ()

Public Attributes

float r
float g
float b

Detailed Description

Klasse die Operationen auf Farbwerten definiert, um ein einfaches rechnen mit Farben zu ermöglichen.

Definition at line 16 of file color.h.

Constructor & Destructor Documentation

Color::Color (    )  [inline]
 

Definition at line 20 of file color.h.

Referenced by operator *(), operator+(), and operator/(). 

00020 { r = 0.0; g = 0.0; b = 0.0;};

Color::Color (  rgb    col ) 
 

Definition at line 4 of file color.cpp.

References rgb::b, b, rgb::g, g, rgb::r, and r. 

00005 {
00006         r = (float)col.r;
00007         g = (float)col.g;
00008         b = (float)col.b;
00009 }

Color::Color (  float    rf,
float    gf,
float    bf
) 
 

Definition at line 11 of file color.cpp.

References b, g, and r. 

00012 {
00013         if(rf > 255.0) rf = 255.0;
00014         if(gf > 255.0) gf = 255.0;
00015         if(bf > 255.0) bf = 255.0;
00016         if(rf < 0.0) rf = 0.0;
00017         if(gf < 0.0) gf = 0.0;
00018         if(bf < 0.0) bf = 0.0;
00019         r = rf;
00020         b = bf;
00021         g = gf;
00022 }

Color::~Color (    )  [inline]
 

Definition at line 23 of file color.h. 

00023 {};

Member Function Documentation

const Color Color::operator * (  const float &    alpha )  const
 

Multiplikation eines Farbwertes mit einem Skalar.

Definition at line 37 of file color.cpp.

References Color(). 

00038 {
00039         return Color(r * alpha, g * alpha, b * alpha);
00040 }

const Color Color::operator+ (  const Color &    col )  const
 

Addition zweier Farbwerte.

Definition at line 24 of file color.cpp.

References b, Color(), g, and r. 

00025 {
00026         return Color(r + col.r, g + col.g, b + col.b);
00027 }

const Color Color::operator+= (  const Color &    col ) 
 

Definition at line 29 of file color.cpp.

References b, g, and r. 

00030 {
00031         r += col.r;
00032         g += col.g;
00033         b += col.b;
00034         return *this;
00035 }

const Color Color::operator/ (  const float &    scalar )  const
 

Divisiion eines Farbwertes durch einen Skalar.

Definition at line 43 of file color.cpp.

References Color(). 

00044 {
00045         return Color(r / scalar, g / scalar, b / scalar);
00046 }

const Color Color::operator= (  const Color &    col ) 
 

Definition at line 48 of file color.cpp.

References b, g, and r. 

00049 {
00050          r = col.r;
00051          g = col.g;
00052          b = col.b;
00053          return *this;
00054 }

rgb Color::toRGB (    ) 
 

Definition at line 57 of file color.cpp.

References b, rgb::b, g, rgb::g, r, and rgb::r.

Referenced by Raycaster::Raycast(). 

00058 {
00059         rgb col;
00060         col.b = (unsigned char) b;
00061         col.g = (unsigned char) g;
00062         col.r = (unsigned char) r;
00063         return col;
00064 }

Member Data Documentation

float Color::b
 

Definition at line 18 of file color.h.

Referenced by Color(), operator+(), operator+=(), operator=(), and toRGB().

float Color::g
 

Definition at line 18 of file color.h.

Referenced by Color(), operator+(), operator+=(), operator=(), and toRGB().

float Color::r
 

Definition at line 18 of file color.h.

Referenced by Color(), operator+(), operator+=(), operator=(), and toRGB().

The documentation for this class was generated from the following files:
Generated on Thu Jan 30 21:35:44 2003 for 3DVis by doxygen1.3-rc2