#include <windows.h>
#include <Vfw.h>
#define XSCALE 320
#define YSCALE 240
#define SPACE 20
#define XGRP 256
#define YGRP 256
// alpha 값
#define MALPHA 170
#define GALPHA 20
////실제로 사용하는 알파값들
#define HALPHA (MALPHA+GALPHA)
#define LALPHA (MALPHA-GALPHA)
#define GAB XSCALE*YSCALE * 3
typedef struct _msgmap
{
UINT uiMsg;
LRESULT(*fp)(HWND, WPARAM, LPARAM);
} stMsgMap;
LRESULT On_Paint(WPARAM, LPARAM);
LRESULT On_Create(WPARAM, LPARAM);
LRESULT On_Destroy(WPARAM, LPARAM);
LRESULT capture(HWND, LPVIDEOHDR);
stMsgMap MsgMap[] =
{
{ WM_PAINT, On_Paint },
{ WM_CREATE, On_Create },
{ WM_DESTROY, On_Destroy },
{ WM_NULL, 0 }
};
LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
static BYTE BData[XSCALE*YSCALE * 3];
BITMAPINFO stBMPInfo;
HINSTANCE g_hInst;
LPSTR lpszClass = TEXT("VFW ALPHA");
HWND hWnd;
HBITMAP Histo;
int APIENTRY WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance
, LPSTR lpszCmdParam, int nCmdShow)
{
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)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, 0, 0, 0)) {
TranslateMessage(&Message);
DispatchMessage(&Message);
}
return Message.wParam;
}
LRESULT CALLBACK WndProc(HWND hWpWnd, UINT iMessage, WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
hWnd = hWpWnd;
stMsgMap *stpMap = MsgMap;
while (WM_NULL != ((*stpMap).uiMsg))
{
if (iMessage == ((*stpMap).uiMsg))//dest가 들어오면
{
return (((*stpMap).fp)(hWnd, wParam, lParam));
}
++stpMap;
}
return(DefWindowProc(hWnd, iMessage, wParam, lParam));
}
LRESULT On_Create(WPARAM wParam, LPARAM lParam)
{
HDC hdc;
HDC MemDC;
HWND hCamera;
BOOL bRet;
DWORD Dwgo;
HANDLE hdl;
BITMAPFILEHEADER stBFHead;
BITMAPINFOHEADER stBFInfo;
//절차가있다.윈도우 생성
hdl = CreateFile(L"weather.bmp", GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hdl == NULL)
{
MessageBox(hWnd, TEXT("날씨비트맵생성실패"), TEXT("에러"), MB_OK);
}
bRet = ReadFile(hdl, BData, GAB, &Dwgo, NULL);
if (bRet == NULL)
{
MessageBox(hWnd, TEXT("날씨읽기실패"), TEXT("에러"), MB_OK);
}
hCamera = capCreateCaptureWindow(TEXT("samrt")
, WS_CHILD | WS_VISIBLE
, 0, 0, XSCALE, YSCALE
, hWnd, 0);
if (NULL == hCamera) //창을 못만들어서 뜨는 에러
{
MessageBox(hWnd, TEXT("창을 열수 없음"), TEXT("에러"), MB_OK);
}
bRet = capDriverConnect(hCamera, 0); //화면을 카메라와 연결한다.(USB장치연결) //0:카메라마다 고유번호
if (FALSE == bRet) //카메라가 없거나 드라이버가 안잡힘.
{
MessageBox(hWnd, TEXT("카메라가 없음."), TEXT("에러"), MB_OK);
}
capPreviewRate(hCamera, 1); //화면에 보일 속도
capGetVideoFormat(hCamera, &stBMPInfo, sizeof(stBMPInfo)); //비디오 형식을 bInfo에 저장
stBMPInfo.bmiHeader.biWidth = XSCALE; //가로, 세로 길이 set
stBMPInfo.bmiHeader.biHeight = YSCALE;
capSetVideoFormat(hCamera, &stBMPInfo, sizeof(stBMPInfo));//bInfo 출력준비
capSetCallbackOnFrame(hCamera, capture);//비디오 라이브러리에서 함수호출
capPreview(hCamera, TRUE); // 영상화면 출력//TRUE:Preview flag
CloseHandle(hdl);
return 0;
}
LRESULT On_Paint(WPARAM wParam, LPARAM lParam)
{
HDC hdc;
PAINTSTRUCT ps;
hdc = BeginPaint(hWnd, &ps);
EndPaint(hWnd, &ps);
return 0;
}
LRESULT On_Destroy(WPARAM wParam, LPARAM lParam)
{
PostQuitMessage(0);
return 0;
}
LRESULT capture(HWND hWpWnd, LPVIDEOHDR lpVHdr)//구조체 정보가 실려온다.
{
HDC hdc;
static BYTE vData[XSCALE*YSCALE * 3];
UINT iCntX;
UINT iCntY;
UINT iCal;
hdc = GetDC(hWnd);
//영상복사
//memcpy(vData, lpVHdr->lpData, lpVHdr->dwBufferLength);
for (iCntY = 0; iCntY < YSCALE; ++iCntY)
{
for (iCntX = 0; iCntX < XSCALE; ++iCntX)
{
//iCal = lpVHdr->lpData[3 * (XSCALE * iCntY + iCntX)];
vData[3 * (XSCALE * iCntY + iCntX) + 2] = lpVHdr->lpData[3 * (XSCALE * iCntY + iCntX) + 2];
vData[3 * (XSCALE * iCntY + iCntX) + 1] = lpVHdr->lpData[3 * (XSCALE * iCntY + iCntX) + 1];
vData[3 * (XSCALE * iCntY + iCntX) + 0] = lpVHdr->lpData[3 * (XSCALE * iCntY + iCntX) + 0];
if (HALPHA < vData[3 * (XSCALE * iCntY + iCntX) + 0])
{
continue;
}
if (LALPHA > vData[3 * (XSCALE * iCntY + iCntX) + 0])
{
continue;
}
if (HALPHA < vData[3 * (XSCALE * iCntY + iCntX) + 1])
{
continue;
}
if (LALPHA > vData[3 * (XSCALE * iCntY + iCntX) + 1])
{
continue;
}
if (HALPHA < vData[3 * (XSCALE * iCntY + iCntX) + 2])
{
continue;
}
if (LALPHA > vData[3 * (XSCALE * iCntY + iCntX) + 2])
{
continue;
}
vData[3 * (XSCALE * iCntY + iCntX) + 0] = BData[3 * (XSCALE * iCntY + iCntX) + 0];
vData[3 * (XSCALE * iCntY + iCntX) + 1] = BData[3 * (XSCALE * iCntY + iCntX) + 1];
vData[3 * (XSCALE * iCntY + iCntX) + 2] = BData[3 * (XSCALE * iCntY + iCntX) + 2];
}
}
StretchDIBits(hdc
, XSCALE + SPACE, 0
, XSCALE, YSCALE
, 0, 0
, XSCALE, YSCALE
, vData, &stBMPInfo, DIB_RGB_COLORS, SRCCOPY);
ReleaseDC(hWnd, hdc);
return 0;
}
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