Byte *R,*G,*B;
int* bmp2array(Graphics::TBitmap *bmp,int *wp,int *hp)
{
int i,j;
int *f0,*f;
int w,h;
Byte *ptr;
w=bmp->Width;
h=bmp->Height;    *wp=w;
*hp=h;
f0=new int[w*h];
f=f0;
R=new Byte[w*h];
G=new Byte[w*h];
B=new Byte[w*h];
for(i=0;iScanLine[i];       for(j=0;jScanLine[i];
    int index=0;
    for(int j=0; j
抓灰階圖的索引值跟RGB值
請問RGB的部份對不對?
因為我開的是灰階的圖
照理說RGB的值應該是一樣的才對
可是我怎麼樣都看不懂他的排列
我是這樣showRGB值的
 String b="";
 String g="";
 String r="";
 Form1->memRGB->Clear();
 for(int i=0;imemRGB->Lines->Add(b);
     Form1->memRGB->Lines->Add(g);
     Form1->memRGB->Lines->Add(r);
     b="";
     g="";
     r="";     }
    
        

//.h
//---------------------------------------------------------------------------
#ifndef Unit2H
#define Unit2H
//---------------------------------------------------------------------------
#include 
#include 
#include 
#include <Forms.hpp>
#include 
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published:        // IDE-managed Components
    TImage *Image1;
    TStaticText *StaticText1;
    void __fastcall Image1MouseMove(TObject *Sender, TShiftState Shift,
          int X, int Y);
private:        // User declarations
public:                // User declarations
    __fastcall TForm1(TComponent* Owner);
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif    //.cpp
//---------------------------------------------------------------------------
#include 
#pragma hdrstop    #include "Unit2.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
    : TForm(Owner)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::Image1MouseMove(TObject *Sender, TShiftState Shift,
      int X, int Y)
{
  //取得Form1的DC
  HDC hdc = ::GetDC(Handle);
  //取得滑鼠位置的圖素色彩
  COLORREF pcolor = ::GetPixel( hdc, X, Y );
  //逐一用巨集取出RGB色彩值
  unsigned int r = GetRValue(pcolor);
  unsigned int g = GetGValue(pcolor);
  unsigned int b = GetBValue(pcolor);
  //將結果即時顯示在Form1標題文字中
  Caption ="滑鼠位置：X = " AnsiString(X) " ,Y =" AnsiString(Y) 
         " ,圖素色彩：R:" AnsiString(r) "_G:" AnsiString(g) 
         "_B:" AnsiString(b);
  //釋放Form1的DC handle
  ReleaseDC(0,hdc);
}
//---------------------------------------------------------------------------

引言: 抓灰階圖的索引值跟RGB值 請問RGB的部份對不對? 因為我開的是灰階的圖 照理說RGB的值應該是一樣的才對 可是我怎麼樣都看不懂他的排列 我是這樣showRGB值的

 
//由(x1,y1)和(x2,y2)就可以組成矩形範圍--------------------
ss1="";
for(int i=x1; i<=x2; i  )
         {
          for(int j=y1; j<=y2; j  )
          {
           aaa = int(Image1->Canvas->Pixels[i][j]);
           rr = char(aaa); //讀取Red值
           
           s1=IntToStr(rr); //將數值存入字串
           ss1=ss1 s1 " ,";         
          };
         };
         
         Memo1->Lines->Add(ss1 "," s "矩陣" tt);
         ss1="";
//---------------------------------------------------------