суть программы в том чтобы спрятать один файл (например txt), в другом файле (например bmp), заменив каждый восьмой бит одного файла, каждым битом второго (замена младших битов состовляющих RGB).
компилируется нормально, но при выполнение ошибочка, в чем проблемма?
код sgraf.cpp
| Код |
//---------------------------------------------------------------------------
#include <vcl.h>
#include <cstring.h>
#include "stdio.h"
#include "sgraf.h"
#pragma hdrstop
//---------------------------------------------------------------------------
#pragma package(smart_init)
#pragma resource "*.dfm"
TForm1 *Form1;
//---------------------------------------------------------------------------
__fastcall TForm1::TForm1(TComponent* Owner)
: TForm(Owner)
{
}
//-----------------------------------------------------------------------------
void __fastcall TForm1::SpeedButton2Click(TObject *Sender)
{
if (OpenDialog1->Execute())
{
inFileName1 = OpenDialog1->FileName.c_str();
Edit1->Text = OpenDialog1->FileName.c_str();
}
}
//---------------------------------------------------------------------------
void __fastcall TForm1::SpeedButton3Click(TObject *Sender)
{
if (OpenDialog2->Execute())
{
inFileName2 = OpenDialog2->FileName.c_str();
Edit2->Text = OpenDialog2->FileName.c_str();
}
}
//---------------------------------------------------------------------------
void __fastcall TForm1::SpeedButton4Click(TObject *Sender)
{
if (OpenDialog3->Execute())
{
outFileName = Edit3->Text.c_str();
}
}
//---------------------------------------------------------------------------
sgraf::sgraf(void)
{
size1 = size2 = index1 = index2 = index3 = 0;
endProcess = false;
}
//-----------------------------------------------------------------------------
void __fastcall TForm1::SpeedButton1Click(TObject *Sender)
{
sgraf *cl = new sgraf();
cl->Init(inFileName1, inFileName2, outFileName);
cl->Process();
cl->End();
delete cl;
}
//---------------------------------------------------------------------------
sgraf::~sgraf(void)
{
}
//-----------------------------------------------------------------------------
void sgraf::Init(const char *inFileName1, const char *inFileName2, const char *outFileName)
{
FILE *result;
result = fopen(inFileName1, "rb");
result = fopen(inFileName2, "rb");
result = fopen(outFileName, "wb");
endProcess = false;
}
//-----------------------------------------------------------------------------
bool sgraf::ReadNextByte1(char *value)
{
bool result = false;
*value = 0;
if(size1 == 0 || index1 == size1)
{
size1 = fread(&inBuffer1, sizeof(char), bufsize, inFile1);
index1 = 0;
}
if(size1 == 0)
endProcess = true;
else
{
*value = inBuffer1[index1++];
result = true;
}
return result;
}
//-----------------------------------------------------------------------------
bool sgraf::ReadNextByte2(char *value)
{
bool result = false;
*value = 0;
if(size2 == 0 || index2 == size2)
{
size2 = fread(&inBuffer2, sizeof(char), bufsize, inFile2);
index2 = 0;
}
if(size2 == 0)
endProcess = true;
else
{
*value = inBuffer2[index2++];
result = true;
}
return result;
}
//-----------------------------------------------------------------------------
void sgraf::WriteNextByte(char value)
{
if(index3 < bufsize)
outBuffer[index3++] = value;
else
{
fwrite(&outBuffer, sizeof(char), bufsize, outFile);
index3 = 0;
}
}
//-----------------------------------------------------------------------------
void sgraf::Process()
{
char inByte1 = 0, inByte2 = 0, outByte = 0;
while(ReadNextByte2(&inByte2) && !endProcess)
{
for(int i=0; i<8 && ReadNextByte1(&inByte1) && !endProcess; i++)
{
outByte = (inByte1 & 0x7f) | (inByte2 & 0x80);
inByte2 = inByte2 << 1;
WriteNextByte(outByte);
}
}
}
//-----------------------------------------------------------------------------
void sgraf::End(void)
{
fclose(inFile1);
fclose(inFile2);
if(index3 > 0)
fwrite(&outBuffer, sizeof(char), index3, outFile);
fclose(outFile);
}
//---------------------------------------------------------------------------
|
код sgraf.h
| Код |
//---------------------------------------------------------------------------
#ifndef sgrafH
#define sgrafH
//---------------------------------------------------------------------------
#include <Classes.hpp>
#include <Controls.hpp>
#include <StdCtrls.hpp>
#include <Forms.hpp>
#include <Buttons.hpp>
#include <Dialogs.hpp>
//---------------------------------------------------------------------------
class TForm1 : public TForm
{
__published: // IDE-managed Components
TLabel *Label1;
TLabel *Label2;
TLabel *Label3;
TSpeedButton *SpeedButton1;
TEdit *Edit1;
TEdit *Edit2;
TEdit *Edit3;
TSpeedButton *SpeedButton2;
TSpeedButton *SpeedButton3;
TSpeedButton *SpeedButton4;
TOpenDialog *OpenDialog1;
TOpenDialog *OpenDialog2;
TOpenDialog *OpenDialog3;
void __fastcall SpeedButton2Click(TObject *Sender);
void __fastcall SpeedButton3Click(TObject *Sender);
void __fastcall SpeedButton4Click(TObject *Sender);
void __fastcall SpeedButton1Click(TObject *Sender);
private: // User declarations
public: // User declarations
__fastcall TForm1(TComponent* Owner);
const char* inFileName1;
const char* inFileName2;
const char* outFileName;
};
#pragma once
//---------------------------------------------------------------------------
class sgraf
{
public:
sgraf(void);
~sgraf(void);
void Init(const char *inFileName1, const char *inFileName2, const char *outFileName);
void Process();
void End();
private:
static const int bufsize = 4096;
char inBuffer1[bufsize];
char inBuffer2[bufsize];
char outBuffer[bufsize];
bool ReadNextByte1(char *value);
bool ReadNextByte2(char *value);
void WriteNextByte(char value);
size_t size1, index1;
size_t size2, index2;
size_t index3;
FILE *inFile1;
FILE *inFile2;
FILE *outFile;
bool endProcess;
};
//---------------------------------------------------------------------------
extern PACKAGE TForm1 *Form1;
//---------------------------------------------------------------------------
#endif
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