334______________________________________________ 5

    ,   Y   
 .

      ,      -
,    ,     .  -
  .       , 
  .      . 
    TColor.      
   ,   C++Builder   
 TColor.       ( clBlue 
),     ,     -
      Windows (.
clBtnFace    ).      
 .   15.

        .  
   ,     .   
    4-  ,  
     ,   
 . ,  $OOFFOOOO   
 , $OOOOFFOO   , $OOOOOOFF   .
$00000000   , $OOFFFFFF  .      
     15.

5.1.3.2   

     .    
 .      Pixels.   
   ,     . .
Canvas->PixeIs[10][20]   , 10-   20- . 
       :  , 
   ,         
. , Canvas->Pixels[10][20] = clBlack     -
 .

      F(X)   
 Imagel,      Ymax  Ymin  
  Xmin  .     :

float X,Y;         //  
int PX,PY;         //  
for ( = 0;  <= Imagel->Width; PX++)

{
//X  ,     

 = Xmin +  * ( - Xmin) / Imagel->Hidth;

Y = F(X);

//PY   ,   Y

PY = Imagel->Height - (Y - Ymin)*Imagel->Height/(Ymax-Ymin);

//    

Imagel->Canvas->Pixels[][PY] = clBlack;

t

       Y,    
,      PY,   , -
   Y.         -
     Imagel.   -
      X.   -
      Y.     -
   PY.       
(, PY)  .