unit1.cpp

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//---------------------------------------------------------------------------
#include <vcl.h>
#pragma hdrstop

#include "Unit1.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::SplitColor(TCanvas *S_Cv,TCanvas *D_Cv,int width,int height,int nn)
{
  int ii,jj;
  int rgb,rgb1,Rv,Gv,Bv,Cv,Mv,Yv,Kv;
  for(ii=0;ii<height;ii++)
  {
    for(jj=0;jj<width;jj++)
    {
      rgb=S_Cv->Pixels[jj][ii];
      Rv=GetRValue(rgb);
      Gv=GetGValue(rgb);
      Bv=GetBValue(rgb);
      Cv=Rv;
      Mv=Gv;
      Yv=Bv;
      if((Rv==Gv)&&(Gv==Bv))
      {
        Kv=Gv;Cv=255;Mv=255;Yv=255;
      }
      else Kv=255;
//
      if(nn==0)rgb1=Cv;
      else if(nn==1)rgb1=Mv;
      else if(nn==2)rgb1=Yv;
      else     rgb1=Kv;

      D_Cv->Pixels[jj][ii]=TColor(RGB(Byte(rgb1),Byte(rgb1),Byte(rgb1)));
    }
  }
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button1Click(TObject *Sender)
{
  SplitColor(Image1->Canvas,Image2->Canvas,Image1->Width,Image1->Height,0);
  SplitColor(Image1->Canvas,Image3->Canvas,Image1->Width,Image1->Height,1);
  SplitColor(Image1->Canvas,Image4->Canvas,Image1->Width,Image1->Height,2);
  SplitColor(Image1->Canvas,Image5->Canvas,Image1->Width,Image1->Height,3);
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Button2Click(TObject *Sender)
{
  SplitColor(Image6->Canvas,Image2->Canvas,Image1->Width,Image1->Height,0);
  SplitColor(Image6->Canvas,Image3->Canvas,Image1->Width,Image1->Height,1);
  SplitColor(Image6->Canvas,Image4->Canvas,Image1->Width,Image1->Height,2);
  SplitColor(Image6->Canvas,Image5->Canvas,Image1->Width,Image1->Height,3);
}
//---------------------------------------------------------------------------