20140925

146일차

#include <windows.h>

#define BITMAP_MAXSIZE (1024*768*3+10)

#define XOFFSET 280

#define X_WIDTH_SIZE 150

LRESULT CALLBACK WndProc(HWND,UINT,WPARAM,LPARAM);

HINSTANCE g_hInst;

LPCTSTR lpszClass=TEXT("First");

int APIENTRY WinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance

 ,LPSTR lpszCmdParam,int nCmdShow)

{

HWND hWnd;

MSG Message;

WNDCLASS WndClass;

g_hInst=hInstance;

WndClass.cbClsExtra=0;

WndClass.cbWndExtra=0;

WndClass.hbrBackground=(HBRUSH)GetStockObject(WHITE_BRUSH);

WndClass.hCursor=LoadCursor(NULL,IDC_ARROW);

WndClass.hIcon=LoadIcon(NULL,IDI_APPLICATION);

WndClass.hInstance=hInstance;

WndClass.lpfnWndProc=WndProc;

WndClass.lpszClassName=lpszClass;

WndClass.lpszMenuName=NULL;

WndClass.style=CS_HREDRAW | CS_VREDRAW;

RegisterClass(&WndClass);

hWnd=CreateWindow(lpszClass,lpszClass,WS_OVERLAPPEDWINDOW,

CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,CW_USEDEFAULT,

NULL,(HMENU)NULL,hInstance,NULL);

ShowWindow(hWnd,nCmdShow);

while (GetMessage(&Message,NULL,0,0)) {

TranslateMessage(&Message);

DispatchMessage(&Message);

}

return (int)Message.wParam;

}

unsigned char * BMbuf;

HBITMAP Screen;

LRESULT CALLBACK WndProc(HWND hWnd,UINT iMessage,WPARAM wParam,LPARAM lParam)

{

HDC hdc;

static HDC MemDC;

PAINTSTRUCT ps;

HANDLE hFile;

DWORD dwRead;

TCHAR str[1024];

static BITMAPFILEHEADER * stpBFH;

static BITMAPINFOHEADER * stpBIH;

static unsigned int uiX;

static unsigned int uiY;

unsigned int uiXcount;

unsigned int uiYcount;

unsigned char * ucpPixel;

static unsigned int uiPad;

HBITMAP OldBitmap;

RECT rt;

switch (iMessage)

{

case WM_CREATE:

hFile = CreateFile(TEXT("image.bmp"),

GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);

BMbuf = (unsigned char *)malloc(BITMAP_MAXSIZE);

if(0 == BMbuf)

{

MessageBox(hWnd, TEXT("동적할당을 받을 수 없습니다."), TEXT("오류"), MB_OK);

DestroyWindow(hWnd);

}

if(INVALID_HANDLE_VALUE != hFile)

{

ReadFile(hFile, BMbuf, BITMAP_MAXSIZE, &dwRead, NULL);

CloseHandle(hFile);

stpBFH = (BITMAPFILEHEADER *)BMbuf;

stpBIH = (BITMAPINFOHEADER *)(BMbuf + sizeof(BITMAPFILEHEADER));

wsprintf(str, TEXT("[%c][%c]"), BMbuf[0], BMbuf[1]);

CreateWindow(TEXT("static"), TEXT("파일 타입 : "), WS_CHILD | WS_VISIBLE,

20, 20, 90, 20, hWnd, (HMENU)-1, g_hInst, NULL);

CreateWindow(TEXT("static"), str, WS_CHILD | WS_VISIBLE,

110, 20, X_WIDTH_SIZE, 20, hWnd, (HMENU)-1, g_hInst, NULL);

wsprintf(str, TEXT("[%d byte]"), stpBFH->bfSize);

CreateWindow(TEXT("static"), TEXT("파일 크기 : "), WS_CHILD | WS_VISIBLE,

20, 40, 90, 20, hWnd, (HMENU)-1, g_hInst, NULL);

CreateWindow(TEXT("static"), str, WS_CHILD | WS_VISIBLE,

110, 40, X_WIDTH_SIZE, 20, hWnd, (HMENU)-1, g_hInst, NULL);

wsprintf(str, TEXT("[%u]"), stpBIH->biWidth);

CreateWindow(TEXT("static"), TEXT("가로 크기 : "), WS_CHILD | WS_VISIBLE,

20, 60, 90, 20, hWnd, (HMENU)-1, g_hInst, NULL);

CreateWindow(TEXT("static"), str, WS_CHILD | WS_VISIBLE,

110, 60, X_WIDTH_SIZE, 20, hWnd, (HMENU)-1, g_hInst, NULL);

uiX = (unsigned int)(stpBIH->biWidth);

uiPad = uiX%4;

wsprintf(str, TEXT("[%u]"), stpBIH->biHeight);

CreateWindow(TEXT("static"), TEXT("세로 크기 : "), WS_CHILD | WS_VISIBLE,

20, 80, 90, 20, hWnd, (HMENU)-1, g_hInst, NULL);

CreateWindow(TEXT("static"), str, WS_CHILD | WS_VISIBLE,

110, 80, X_WIDTH_SIZE, 20, hWnd, (HMENU)-1, g_hInst, NULL);

uiY = (unsigned int)(stpBIH->biHeight);

wsprintf(str, TEXT("[%08X]"), stpBFH->bfOffBits);

CreateWindow(TEXT("static"), TEXT("bfOffbits : "), WS_CHILD | WS_VISIBLE,

20, 100, 90, 20, hWnd, (HMENU)-1, g_hInst, NULL);

CreateWindow(TEXT("static"), str, WS_CHILD | WS_VISIBLE,

110, 100, X_WIDTH_SIZE, 20, hWnd, (HMENU)-1, g_hInst, NULL);

hdc = GetDC(hWnd);

MemDC = CreateCompatibleDC(hdc);

GetClientRect(hWnd, &rt);

Screen = CreateCompatibleBitmap(hdc, rt.right, rt.bottom);

OldBitmap = (HBITMAP)SelectObject(MemDC, Screen);

ucpPixel = BMbuf + stpBFH->bfOffBits;

for(uiYcount = uiY; 0 < uiYcount; --uiYcount)

{

for(uiXcount = 0; uiX > uiXcount; ++uiXcount)

{

SetPixel(MemDC, uiXcount + XOFFSET, uiYcount-1, RGB(*(ucpPixel+2), *(ucpPixel+1), *ucpPixel));

ucpPixel = ucpPixel + 3;

}

ucpPixel = ucpPixel + uiPad;

}

SelectObject(MemDC, OldBitmap);

DeleteDC(MemDC);

ReleaseDC(hWnd, hdc);

free(BMbuf);

}

else

{

MessageBox(hWnd, TEXT("파일을 열 수 없습니다."), TEXT("오류"), MB_OK);

DestroyWindow(hWnd);

}

return 0;

case WM_PAINT:

hdc = BeginPaint(hWnd, &ps);

MemDC = CreateCompatibleDC(hdc);

OldBitmap = (HBITMAP)SelectObject(MemDC, Screen);

GetClientRect(hWnd, &rt);

BitBlt(hdc, 0, 0, rt.right, rt.bottom, MemDC, 0, 0, SRCCOPY);

SelectObject(MemDC, OldBitmap);

DeleteDC(MemDC);

EndPaint(hWnd, &ps);

return 0;

case WM_DESTROY:

DeleteObject(Screen);

PostQuitMessage(0);

return 0;

}

return(DefWindowProc(hWnd,iMessage,wParam,lParam));

}