mainform.cpp

C++ BUILDER精彩编程实例集锦(源码)2 第三部分 文件操作 第四部分 图像处理

//---------------------------------------------------------------------------

#include <vcl.h>
#pragma hdrstop

#include "MainForm.h"
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
  iXStart=0;
  iYStart=0;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::ImageMouseDown(TObject *Sender,
      TMouseButton Button, TShiftState Shift, int X, int Y)
{
   iXStart=X;
   iYStart=Y;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::ImageMouseMove(TObject *Sender, TShiftState Shift,
      int X, int Y)
{
   int iX, iY;
   if(Shift.Contains(ssLeft))
   {
      iX=X-iXStart;
      iY=Y-iYStart;
      if(iY)
	Image1->Left+=iX;
      if(iY)
        Image1->Top+=iY;
   }
}
//---------------------------------------------------------------------------