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)
{
}
//---------------------------------------------------------------------------
void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{  //以垂直百叶窗方式显示图像
   this->Refresh();
   Graphics::TBitmap *pBmp=new Graphics::TBitmap;
   pBmp->LoadFromFile("Show.bmp");
   int iWidth=this->Width/20;
   for(int i=0;i<=iWidth;i++)
   {
     for(int j=0;j<=20;j++)
     {
       TRect MyRect=TRect(j*iWidth,0,j*iWidth+i,Height);
       Form1->Canvas->CopyMode=cmSrcCopy;
       Form1->Canvas->CopyRect(MyRect,pBmp->Canvas,MyRect);
    }
     Sleep(100);
   }
   delete pBmp;
}
//---------------------------------------------------------------------------

void __fastcall TForm1::BitBtn2Click(TObject *Sender)
{ //以水平百叶窗方式显示图像
   this->Refresh();
   Graphics::TBitmap *pBmp=new Graphics::TBitmap;
   pBmp->LoadFromFile("Show.bmp");
   int iHeight=this->Height/20;
   for(int i=0;i<=iHeight;i++)
   {
     for(int j=0;j<=20;j++)
     {
       TRect MyRect=TRect(0,j*iHeight,Width,j*iHeight+i);
       Form1->Canvas->CopyMode=cmSrcCopy;
       Form1->Canvas->CopyRect(MyRect,pBmp->Canvas,MyRect);
    }
     Sleep(100);
   }
}
//---------------------------------------------------------------------------