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MFC/HBitmap ToBMP

HBITMAP —„œ BMP ํŒŒกœ ถ”ถœ

~cpp
//*********************************************************************

// CImageTool::ExportAsBMP() 

// Purpose: [CBitmap—  €žฅ˜–ดžˆŠ” ด€ BmpํŒŒกœ งŒ“ ‹ค.] 

// Parameters:     

// [type] : 1 ํ”ฝ…€‹ Bit ˆ˜ 

// [*filename] : งŒ“ค–ดงˆ bmpํŒŒด„ 

// [*pDC] : Device Context 

// [hBitmap] : ด€€  €žฅ˜–ด žˆŠ” CBitmap (HBITMAPœกœ €ํ™”ํ•˜—ฌ ‚ฌšฉ) 

// [nWidth] : ด€˜ „“ด 

// [nHeight] : ด€˜ †’ด 

// Returns:    BOOL 

//*********************************************************************

BOOL CImageTool::ExportAsBMP(int type, char *filename, CDC *pDC, 

        HBITMAP hBitmap, int nWidth, int nHeight) 

{ 

    BYTE *bmp; 

    BITMAPFILEHEADER header; 

    FILE *fp; 

    unsigned int size, palsize; 

    BOOL r = FALSE; 



    if ((bmp=GetBMP(type, nWidth, nHeight, hBitmap, pDC->m_hDC, 

        &size)) == NULL) 

      return FALSE; 

    if (type != 3) palsize = 1<<bit[type]; 

    else palsize = 0; 

    header.bfType = 0x4D42; 

    header.bfSize = size+sizeof(BITMAPFILEHEADER); 

    header.bfReserved1 = header.bfReserved2=0; 

    header.bfOffBits = sizeof(BITMAPFILEHEADER)+sizeof(BITMAPINFOHEADER)+ 

                    sizeof(RGBQUAD)*palsize; 

    if ((fp=fopen(filename,"wb")) == NULL) 

    { 

    free(bmp); 

    return FALSE; 

    } 

    if (fwrite(&header,sizeof(BITMAPFILEHEADER),1,fp)!=0) 

    if (fwrite(bmp,size,1,fp)!=0) r=TRUE; 

    free(bmp); 

    fclose(fp); 



    return r; 

} 



//*******************************************************************

// *CImageTool::GetBMP() 

// Purpose: [–ด„ HBITMAP—„œ ด€  •ณด ฝ–ด ˜คŠ” ํ•จˆ˜] 

// Parameters:     

// [type] : 1ํ”ฝ…€‹ Bitˆ˜ 

// [w] : ด€ „“ด 

// [h] : ด€ †’ด 

// [hBitmap] : ด€€  €žฅ˜–ดžˆŠ” CBtimap 

// [hdc] : Device Context 

// [*size] : File Size (ฐ˜ํ™˜˜Š” ฐ’) 

// Returns:    BYTE 

//*******************************************************************

BYTE *CImageTool::GetBMP(int type, int w, int h, HBITMAP hBitmap, 

        HDC hdc, unsigned int *size) 

{ 

    LPBITMAPINFO lpvBits; 

    BYTE *lpbi; 

    int width,palsize; 



    if (type!=3) palsize = 1<<bit[type]; 

    else palsize = 0; 

    width = ((((w*bit[type]+7)/8+3)/4)*4); 



    *size = sizeof(BITMAPINFOHEADER)+sizeof(RGBQUAD)*palsize+width*h; 

    lpvBits = (BITMAPINFO *)malloc(*size); 



    lpbi = (BYTE *)lpvBits+sizeof(BITMAPINFOHEADER) + 

                    sizeof(RGBQUAD)*palsize; 

    lpvBits->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); 

    lpvBits->bmiHeader.biWidth = w; 

    lpvBits->bmiHeader.biHeight = h; 

    lpvBits->bmiHeader.biPlanes = 1; 

    lpvBits->bmiHeader.biBitCount = bit[type]; 

    lpvBits->bmiHeader.biCompression = BI_RGB; 

    lpvBits->bmiHeader.biSizeImage = width*h; 

    lpvBits->bmiHeader.biXPelsPerMeter = 0; 

    lpvBits->bmiHeader.biYPelsPerMeter = 0; 

    lpvBits->bmiHeader.biClrUsed = 1<<bit[type]; 

    lpvBits->bmiHeader.biClrImportant = 1<<bit[type]; 



    GetDIBits(hdc,hBitmap,0,h,lpbi,lpvBits,DIB_RGB_COLORS); 



    return (BYTE *)lpvBits; 

}
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thread

Œ•„Œ•ธฐ‹คณดฉด “ธงŒํ•œ †ŒŠค“คด „˜ณ‚˜Š”ตฐ.. -_-; ‚œ กฐฆฝงŒ ํ•˜ฉดœ‹ค. ใ…‹ใ…‹ใ…‹ - eternalbleu
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