C++ (Cpp) Peek_L4 Examples

Example #1

File: File_Bmp.cpp Project: BladeScar/MediaInfoLib

//---------------------------------------------------------------------------
void File_Bmp::Read_Buffer_Continue()
{
    //Parsing
    int32u Size, DIB_Size, Offset;
    Element_Begin1("File header");
        Skip_C2(                                                "Magic");
        Get_L4 (Size,                                           "Size");
        Skip_L2(                                                "Reserved");
        Skip_L2(                                                "Reserved");
        Get_L4 (Offset,                                         "Offset of data");
    Element_End0();

    FILLING_BEGIN();
        if (Size!=(int32u)-1 && Size!=File_Size)
        {
            Reject("BMP");
            return;
        }

        Accept("BMP");

        Fill(Stream_General, 0, General_Format, "Bitmap");

        Stream_Prepare(Stream_Image);
    FILLING_END();

    Element_Begin1("DIB header");
        Peek_L4 (DIB_Size);
        switch (DIB_Size)
        {
            case  12 : BitmapCoreHeader(1); break;
            case  40 : BitmapInfoHeader(1); break;
            case  52 : BitmapInfoHeader(2); break;
            case  56 : BitmapInfoHeader(3); break;
            case  64 : BitmapCoreHeader(2); break;
            case 108 : BitmapInfoHeader(4); break;
            case 124 : BitmapInfoHeader(5); break;
            default  : if (DIB_Size>124)
                       {
                           BitmapInfoHeader((int8u)-1); //Future versions of BitmapInfoHeader (OS/2 is abandonned)
                           Skip_XX(14+124-Element_Offset,       "Unknown");
                       }
        }
    Element_End0();

    if (Element_Offset<Offset)
        Skip_XX(Offset-Element_Offset,                          "Other header data");
    Skip_XX(File_Size-Offset,                                   "Image data");

    //No need of more
    Finish("BMP");
}

Example #2

File: File_Bmp.cpp Project: eagleatustb/p2pdown

//---------------------------------------------------------------------------
void File_Bmp::Read_Buffer_Continue()
{
    //Parsing
    int32u Size, DIB_Size, Offset;
    Element_Begin("File header", 14);
        Skip_C2(                                                "Magic");
        Get_L4 (Size,                                           "Size");
        Skip_L2(                                                "Reserved");
        Skip_L2(                                                "Reserved");
        Get_L4 (Offset,                                         "Offset of data");
    Element_End();

    FILLING_BEGIN();
        if (Size!=File_Size)
        {
            Reject("BMP");
            return;
        }

        Accept("BMP");

        Fill(Stream_General, 0, General_Format, "Bitmap");

        Stream_Prepare(Stream_Image);
    FILLING_END();

    Element_Begin("DIB header");
        Peek_L4 (DIB_Size);
        switch (DIB_Size)
        {
            case  12 : Skip_XX(DIB_Size-4,                      "OS/2 v1 header"); break;
            case  40 : BitmapInfoHeader(); break;
            case  52 : Skip_XX(DIB_Size-4,                      "BitmapV2Header"); break;
            case  56 : Skip_XX(DIB_Size-4,                      "BitmapV3Header"); break;
            case  64 : Skip_XX(DIB_Size-4,                      "OS/2 v2 header"); break;
            case 108 : BitmapV4Header(); break;
            case 124 : Skip_XX(DIB_Size-4,                      "BitmapV5Header"); break;
            default  : Skip_XX(DIB_Size-4,                      "Unknown header");
            ;
        }
    Element_End();

    Skip_XX(Offset-Element_Offset,                              "Color palette");
    Skip_XX(Element_Size-Offset,                                "Bitmap data");

    //No need of more
    Finish("BMP");
}