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"
Graphics::TBitmap *pic;
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
        : TForm(Owner)
{
  pic=new Graphics::TBitmap;
}
//---------------------------------------------------------------------------
void __fastcall TForm1::BitBtn1Click(TObject *Sender)
{
   this->OpenPictureDialog1->Filter="Bmp Files(*.bmp)|*.bmp";
   if(this->OpenPictureDialog1->Execute())
   {
      pic->LoadFromFile(this->OpenPictureDialog1->FileName);
      ImageList1->Height=pic->Height;
      ImageList1->Width=pic->Width;
      ImageList1->Add(pic,NULL);
      ListBox1->Items->Add(this->OpenPictureDialog1->FileName);
   }
}
//---------------------------------------------------------------------------

void __fastcall TForm1::BitBtn2Click(TObject *Sender)
{
   this->ImageList1->Delete(this->ListBox1->ItemIndex);
   this->ListBox1->Items->Delete(ListBox1->ItemIndex);
   this->Image1->Picture->Assign(NULL);        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::ShowImage(TObject *Sender)
{
   this->ImageList1->GetBitmap(this->ListBox1->ItemIndex,pic);
   Image1->Picture->Assign(pic);
   Image1->Width=pic->Width;
   Image1->Height=pic->Height;        
}
//---------------------------------------------------------------------------

void __fastcall TForm1::BitBtn3Click(TObject *Sender)
{
   this->Close();
}
//---------------------------------------------------------------------------