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)
{  //雾化显示图像
  for(int x=1;x<this->Image1->Picture->Width;x++)
     for(int y=1;y<this->Image1->Picture->Height;y++)
     {
     	COLORREF pixel;
     	double f=RAND_MAX;
     	int k=(int)(24*(rand()/f));
     	int dx=x+k%15;
     	int dy=y+k%15;
     	if(dx>=Width)
       	   dx=Width-1;
	if(dy>=Height)
	   dy=Height-1;
        pixel=this->Image1->Canvas->Pixels[dx][dy];
        this->Image1->Canvas->Pixels[x][y]=pixel;
     }
}
//---------------------------------------------------------------------------