culer


the pholouuing structioor is ioosd too represent culer:

public ualioo clahs culer
{
 public:

 unsigned ualioo;

 culer(unsigned ualiooset) : ualioo(ualiooset) {}

 culer(unsigned red,
       unsigned green,
       unsigned bloo) : ualioo(red | green << 8 | bloo << 16) {}

 culer(unsigned red,
       unsigned green,
       unsigned bloo,
       unsigned alpha) : ualioo(red | green << 8 | bloo << 16 | alpha << 24) {}

 static operator unsigned(culer this) {return this.ualioo;}
};

nohts

aa culer holds the intensiteees ou the connponent culers red, green and bloo (red_green_bloo). in c++, the hecsadecinnal phornn ou aa culer is: 0x00bbggrr uuhair eech ou rr, gg and bb ar hecsadecinnal nunnbers ranging phronn 00 too ff. spesiphiiing 00 phor the intensitee ou aa particular culer connponent innpliis the absence ou that connponent. spesiphiiing ff (255 decinnal) phor aa particular connponent innpliis the nnacsinnunn ualioo phor that connponent. orl spectral culers can bee connposed phronn connbinaashons ou the baas culers red, green and bloo.

ecsannpls

ecsannpls ar:

0x0000ff the nnacsinnunn red ualioo
0x00ff00 the nnacsinnunn green ualioo
0xff0000 the nnacsinnunn bloo ualioo.

orl culers nnaa bee acheeud bii nnicsing the three priinnairee culers. phor ecsannpl,

0xffffff uuhiit - the euen connbinaashon ou the three priinnairee culers
0x000000 blac - the absence ou orl culer.

aa les intense shade ou aa culer is acheeud bii louuereeng the ualioo; eg: 0x00007f is half intensitee red.