当前位置: 首页>>代码示例>>C++>>正文


C++ BinaryStream::GetBuffer方法代码示例

本文整理汇总了C++中BinaryStream::GetBuffer方法的典型用法代码示例。如果您正苦于以下问题:C++ BinaryStream::GetBuffer方法的具体用法?C++ BinaryStream::GetBuffer怎么用?C++ BinaryStream::GetBuffer使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在BinaryStream的用法示例。


在下文中一共展示了BinaryStream::GetBuffer方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: LoadBinAC

    O3DGCErrorCode    LoadBinAC(Vector<long> & data,
                                const BinaryStream & bstream,
                                unsigned long & iterator) 
    {
        size_t sizeSize = bstream.ReadUInt32Bin(iterator) - 8;
        size_t size     = bstream.ReadUInt32Bin(iterator);
        if (size == 0)
        {
            return O3DGC_OK;
        }
        unsigned char * buffer = 0;
        bstream.GetBuffer(iterator, buffer);
        iterator += sizeSize;
        data.Allocate(size);
        Arithmetic_Codec acd;
        acd.set_buffer(sizeSize, buffer);
        acd.start_decoder();
        Adaptive_Bit_Model bModel;
#ifdef DEBUG_VERBOSE
        printf("-----------\nsize %i\n", size);
        fprintf(g_fileDebugTF, "size %i\n", size);
#endif //DEBUG_VERBOSE
        for(size_t i = 0; i < size; ++i)
        {
            data.PushBack(acd.decode(bModel));
#ifdef DEBUG_VERBOSE
            printf("%i\t%i\n", i, data[i]);
            fprintf(g_fileDebugTF, "%i\t%i\n", i, data[i]);
#endif //DEBUG_VERBOSE
        }
        return O3DGC_OK;
    }
开发者ID:RemiArnaud,项目名称:rest3d,代码行数:32,代码来源:o3dgcTriangleFans.cpp

示例2: mModelValues

    O3DGCErrorCode    LoadUIntAC(Vector<long> & data,
                                 const unsigned long M,
                                 const BinaryStream & bstream,
                                 unsigned long & iterator) 
    {
        unsigned long sizeSize = bstream.ReadUInt32Bin(iterator) - 12;
        unsigned long size     = bstream.ReadUInt32Bin(iterator);
        if (size == 0)
        {
            return O3DGC_OK;
        }
        long minValue   = bstream.ReadUInt32Bin(iterator);
        unsigned char * buffer = 0;
        bstream.GetBuffer(iterator, buffer);
        iterator += sizeSize;
        data.Allocate(size);
        Arithmetic_Codec acd;
        acd.set_buffer(sizeSize, buffer);
        acd.start_decoder();
        Adaptive_Data_Model mModelValues(M+1);
#ifdef DEBUG_VERBOSE
        printf("-----------\nsize %i\n", size);
        fprintf(g_fileDebugTF, "size %i\n", size);
#endif //DEBUG_VERBOSE
        for(unsigned long i = 0; i < size; ++i)
        {
            data.PushBack(acd.decode(mModelValues)+minValue);
#ifdef DEBUG_VERBOSE
            printf("%i\t%i\n", i, data[i]);
            fprintf(g_fileDebugTF, "%i\t%i\n", i, data[i]);
#endif //DEBUG_VERBOSE
        }
        return O3DGC_OK;
    }
开发者ID:1vanK,项目名称:Urho3D,代码行数:34,代码来源:o3dgcTriangleFans.cpp

示例3: mModelValues

    O3DGCErrorCode    LoadIntACEGC(Vector<long> & data,
                                   const unsigned long M,
                                   const BinaryStream & bstream,
                                   unsigned long & iterator) 
    {
        size_t sizeSize = bstream.ReadUInt32Bin(iterator) - 12;
        size_t size     = bstream.ReadUInt32Bin(iterator);
        if (size == 0)
        {
            return O3DGC_OK;
        }
        long minValue   = bstream.ReadUInt32Bin(iterator) - O3DGC_MAX_LONG;
        unsigned char * buffer = 0;
        bstream.GetBuffer(iterator, buffer);
        iterator += sizeSize;
        data.Allocate(size);
        Arithmetic_Codec acd;
        acd.set_buffer(sizeSize, buffer);
        acd.start_decoder();
        Adaptive_Data_Model mModelValues(M+2);
        Static_Bit_Model bModel0;
        Adaptive_Bit_Model bModel1;
        unsigned long value;

#ifdef DEBUG_VERBOSE
        printf("-----------\nsize %i\n", size);
        fprintf(g_fileDebugTF, "size %i\n", size);
#endif //DEBUG_VERBOSE
        for(size_t i = 0; i < size; ++i)
        {
            value = acd.decode(mModelValues);
            if ( value == M)
            {
                value += acd.ExpGolombDecode(0, bModel0, bModel1);
            }
            data.PushBack(value + minValue);
#ifdef DEBUG_VERBOSE
            printf("%i\t%i\n", i, data[i]);
            fprintf(g_fileDebugTF, "%i\t%i\n", i, data[i]);
#endif //DEBUG_VERBOSE
        }
#ifdef DEBUG_VERBOSE
        fflush(g_fileDebugTF);
#endif //DEBUG_VERBOSE
        return O3DGC_OK;
    }
开发者ID:RemiArnaud,项目名称:rest3d,代码行数:46,代码来源:o3dgcTriangleFans.cpp

示例4: testDecode

int testDecode(std::string & fileName)
{
    std::string folder;
    long found = (long)fileName.find_last_of(PATH_SEP);
    if (found != -1)
    {
        folder = fileName.substr(0,found);
    }
    if (folder == "")
    {
        folder = ".";
    }
    std::string file(fileName.substr(found+1));
    std::string outFileName = folder + PATH_SEP + file.substr(0, file.find_last_of(".")) + "_dec.obj";


    std::vector< Vec3<Real> > points;
    std::vector< Vec3<Real> > normals;
    std::vector< Vec2<Real> > colors;
    std::vector< Vec2<Real> > texCoords;
    std::vector< Vec3<Index> > triangles;
    std::vector< unsigned long > matIDs;
    std::vector< Material > materials;
    std::string materialLib;

    std::string matFileName = folder + PATH_SEP + file.substr(0, file.find_last_of(".")) + ".mat";
    bool ret = LoadMaterials(matFileName.c_str(), materials, materialLib);
    if (ret)
    {
        const size_t numMaterials = materials.size();
        unsigned long n, shift = 0;
        for(size_t i = 0; i < numMaterials; ++i)
        {
            n = materials[i].m_numTriangles + shift;
            matIDs.resize(n, materials[i].m_id);
            shift = n;
        }
    }
    

    BinaryStream bstream;
    IndexedFaceSet<Index> ifs;


    FILE * fin = fopen(fileName.c_str(), "rb");
    if (!fin)
    {
        return -1;
    }
    fseek(fin, 0, SEEK_END);
    unsigned long size = ftell(fin);
    bstream.Allocate(size);
    rewind(fin);
    unsigned long nread = (unsigned long)fread((void *) bstream.GetBuffer(), 1, size, fin);
    bstream.SetSize(size);
    if (nread != size)
    {
        return -1;
    }
    fclose(fin);
    std::cout << "Bitstream size (bytes) " << bstream.GetSize() << std::endl;

    SC3DMCDecoder<Index> decoder;
    // load header
    Timer timer;
    timer.Tic();
    decoder.DecodeHeader(ifs, bstream);
    timer.Toc();
    std::cout << "DecodeHeader time (ms) " << timer.GetElapsedTime() << std::endl;

    // allocate memory
    triangles.resize(ifs.GetNCoordIndex());
    ifs.SetCoordIndex((Index * const ) &(triangles[0]));    

    points.resize(ifs.GetNCoord());
    ifs.SetCoord((Real * const ) &(points[0]));    

    if (ifs.GetNNormal() > 0)
    {
        normals.resize(ifs.GetNNormal());
        ifs.SetNormal((Real * const ) &(normals[0]));  
    }
    if (ifs.GetNColor() > 0)
    {
        colors.resize(ifs.GetNColor());
        ifs.SetColor((Real * const ) &(colors[0]));  
    }
    if (ifs.GetNTexCoord() > 0)
    {
        texCoords.resize(ifs.GetNTexCoord());
        ifs.SetTexCoord((Real * const ) &(texCoords[0]));
    }

    std::cout << "Mesh info "<< std::endl;
    std::cout << "\t# coords    " << ifs.GetNCoord() << std::endl;
    std::cout << "\t# normals   " << ifs.GetNNormal() << std::endl;
    std::cout << "\t# texcoords " << ifs.GetNTexCoord() << std::endl;
    std::cout << "\t# triangles " << ifs.GetNCoordIndex() << std::endl;

    // decode mesh
//.........这里部分代码省略.........
开发者ID:MaximeHelen,项目名称:rest3d,代码行数:101,代码来源:main.cpp


注:本文中的BinaryStream::GetBuffer方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。