C / C++ / MFC

FILE* f = fopen(".\\bitmap1.bmp", "rb");

vector<BYTE> buffer;
buffer.resize(_filelength(f->_file));
fread(&buffer[0], buffer.size(), 1, f);
BITMAPINFO* bminfo = (BITMAPINFO*) &buffer[14];
BITMAPFILEHEADER* bmh = (BITMAPFILEHEADER*) &buffer[0];
LPVOID bits = &buffer[bmh->bfOffBits];

SetDIBitsToDevice(
    pDC->GetSafeHdc(),              // handle to device context
    0,                              // x-coordinate of upper-left corner of
                                    // dest. rect.
    0,                              // y-coordinate of upper-left corner of
                                    // dest. rect.
    bminfo->bmiHeader.biWidth,       // source rectangle width
    bminfo->bmiHeader.biHeight,      // source rectangle height
    0,                              // x-coordinate of lower-left corner of
                                    // source rect.
    0,                              // y-coordinate of lower-left corner of
                                    // source rect.
    0,                              // first scan line in array
    bminfo->bmiHeader.biHeight,      // number of scan lines
    bits,                           // address of array with DIB bits
    bminfo,                         // address of structure with bitmap info.
    DIB_RGB_COLORS                  // RGB or palette indexes
    );

FILE* f = fopen(".\\bitmap1.bmp", "rb");

vector<BYTE> buffer;
buffer.resize(_filelength(f->_file));
fread(&buffer[0], buffer.size(), 1, f);
BITMAPINFO* bminfo = (BITMAPINFO*) &buffer[14];
BITMAPFILEHEADER* bmh = (BITMAPFILEHEADER*) &buffer[0];
LPVOID bits = &buffer[bmh->bfOffBits];

SetDIBitsToDevice(
    pDC->GetSafeHdc(),              // handle to device context
    0,                              // x-coordinate of upper-left corner of
                                    // dest. rect.
    0,                              // y-coordinate of upper-left corner of
                                    // dest. rect.
    bminfo->bmiHeader.biWidth-100,   // source rectangle width
    bminfo->bmiHeader.biHeight-100,  // source rectangle height
    100,                            // x-coordinate of lower-left corner of
                                    // source rect.
    100,                            // y-coordinate of lower-left corner of
                                    // source rect.
    0,                              // first scan line in array
    bminfo->bmiHeader.biHeight-100,  // number of scan lines
    bits,                           // address of array with DIB bits
    bminfo,                         // address of structure with bitmap info.
    DIB_RGB_COLORS                  // RGB or palette indexes
    );