C++ const_iterator::tag方法代码示例

本文整理汇总了C++中exiv2::exifdata::const_iterator::tag方法的典型用法代码示例。如果您正苦于以下问题：C++ const_iterator::tag方法的具体用法？C++ const_iterator::tag怎么用？C++ const_iterator::tag使用的例子？那么恭喜您, 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类exiv2::exifdata::const_iterator的用法示例。

在下文中一共展示了const_iterator::tag方法的7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: print

void print(const std::string& file)
{
    Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(file);
    assert(image.get() != 0);
    image->readMetadata();

    Exiv2::ExifData &ed = image->exifData();
    Exiv2::ExifData::const_iterator end = ed.end();
    for (Exiv2::ExifData::const_iterator i = ed.begin(); i != end; ++i) {
        std::cout << std::setw(45) << std::setfill(' ') << std::left
                  << i->key() << " "
                  << "0x" << std::setw(4) << std::setfill('0') << std::right
                  << std::hex << i->tag() << " "
                  << std::setw(12) << std::setfill(' ') << std::left
                  << i->ifdName() << " "
                  << std::setw(9) << std::setfill(' ') << std::left
                  << i->typeName() << " "
                  << std::dec << std::setw(3)
                  << std::setfill(' ') << std::right
                  << i->count() << " "
                  << std::dec << i->value()
                  << "\n";

    }
}

开发者ID:FihlaTV，项目名称:Satires，代码行数:25，代码来源:write2-test.cpp

示例2: print

void print(const std::string& file)
{
    Exiv2::ExifData ed;
    int rc = ed.read(file);
    if (rc) {
        std::string error = Exiv2::ExifData::strError(rc, file);
        throw Exiv2::Error(error);
    }

    Exiv2::ExifData::const_iterator end = ed.end();
    for (Exiv2::ExifData::const_iterator i = ed.begin(); i != end; ++i) {
        std::cout << std::setw(45) << std::setfill(' ') << std::left
                  << i->key() << " "
                  << "0x" << std::setw(4) << std::setfill('0') << std::right
                  << std::hex << i->tag() << " " 
                  << std::setw(12) << std::setfill(' ') << std::left
                  << i->ifdName() << " "
                  << std::setw(9) << std::setfill(' ') << std::left
                  << i->typeName() << " "
                  << std::dec << std::setw(3) 
                  << std::setfill(' ') << std::right
                  << i->count() << " "
                  << std::dec << i->value() 
                  << "\n";

    }
}

开发者ID:obklar，项目名称:exiv2，代码行数:27，代码来源:write2-test.cpp

示例3: readexiv

void ImageResolution::readexiv(char const *fn) {
  Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(fn);
  if (!image.get())
    return;

  image->readMetadata();
  Exiv2::ExifData &exifData = image->exifData();
  if (exifData.empty())
    return;

  Exiv2::ExifData::const_iterator end = exifData.end();
  bool havex = false;
  bool havey = false;
  bool haveunit = false;
  int unit;
  for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
    if (ok_)
      break;
    if (i->tag()==0x011a) {
      // X Resolution
      x_ = i->toFloat();
      havex = true;
    } else if (i->tag()==0x011b) {
      // Y Resolution
      y_ = i->toFloat();
      havey = true;
    } else if (i->tag()==0x0128) {
      unit = i->toLong();
    }
    ok_ = havex && havey && haveunit;
  }
  if (haveunit) {
    if (unit==3) {
      x_ *= 2.54;
      y_ *= 2.54;
    }
  }
  ok_ = havex && havey;
}

开发者ID:Spin0za，项目名称:inkscape，代码行数:39，代码来源:image-resolution.cpp

示例4: print

void print(const ExifData& exifData)
{
    if (exifData.empty()) {
        std::string error("No Exif data found in the file");
        throw Exiv2::Error(1, error);
    }
    Exiv2::ExifData::const_iterator end = exifData.end();
    for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
        std::cout << std::setw(44) << std::setfill(' ') << std::left
                  << i->key() << " "
                  << "0x" << std::setw(4) << std::setfill('0') << std::right
                  << std::hex << i->tag() << " "
                  << std::setw(9) << std::setfill(' ') << std::left
                  << i->typeName() << " "
                  << std::dec << std::setw(3)
                  << std::setfill(' ') << std::right
                  << i->count() << "  "
                  << std::dec << i->value()
                  << "\n";
    }
}

开发者ID:FihlaTV，项目名称:Satires，代码行数:21，代码来源:tiffmn-test.cpp

示例5: exiv2_dump_tags

void exiv2_dump_tags(const ExifData& exif)
{
	cout <<  "exiv2_dump_tags: " << endl;
	
	Exiv2::ExifData::const_iterator end = exif.end();
	
    for (Exiv2::ExifData::const_iterator i = exif.begin(); i != end; ++i)
    {
        std::cout << std::setw(44) << std::setfill(' ') << std::left
                  << i->key() << " "
                  << "0x" << std::setw(4) << std::setfill('0') << std::right
                  << std::hex << i->tag() << " "
                  << std::setw(9) << std::setfill(' ') << std::left
                  << i->typeName() << " "
                  << std::dec << std::setw(3)
                  << std::setfill(' ') << std::right
                  << i->count() << "  "
                  << std::dec << i->value()
                  << "\n";
    }
}

开发者ID:MaiTiano，项目名称:fuppes，代码行数:21，代码来源:metadata_exiv2.cpp

示例6: main

int main(int argc, char* const argv[])
try {

    if (argc != 2) {
        std::cout << "Usage: " << argv[0] << " file\n";
        return 1;
    }

    Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
    if (image.get() == 0) {
        std::string error(argv[1]);
        error += " : Could not read file or unknown image type";
        throw Exiv2::Error(error);
    }

    // Load existing metadata
    int rc = image->readMetadata();
    if (rc) {
        std::string error = Exiv2::Image::strError(rc, argv[1]);
        throw Exiv2::Error(error);
    }

    Exiv2::ExifData &exifData = image->exifData();
    Exiv2::ExifData::const_iterator end = exifData.end();
    for (Exiv2::ExifData::const_iterator i = exifData.begin(); i != end; ++i) {
        std::cout << std::setw(53) << std::setfill(' ') << std::left
                  << i->key() << " "
                  << "0x" << std::setw(4) << std::setfill('0') << std::right
                  << std::hex << i->tag() << "  " 
                  << std::dec << i->value() 
                  << "\n";
    }

    return rc;
}
catch (Exiv2::Error& e) {
    std::cout << "Caught Exiv2 exception '" << e << "'\n";
    return -1;
}

开发者ID:，项目名称:，代码行数:39，代码来源:

示例7: parseTag

void Tag_Handler::parseTag()
{
    if(!gps_from_filename)
        gps_found = false;

    Exiv2::ExifData::const_iterator end = exif_data->end();

    for(Exiv2::ExifData::const_iterator i = exif_data->begin(); i != end; ++i)
    {
        if(0)//(dumpAllExif)
        {
            const char* tn = i->typeName();
            std::cout << std::setw(44) << std::setfill(' ') << std::left
                      << i->key() << " "
                      << "0x" << std::setw(4) << std::setfill('0') << std::right
                      << std::hex << i->tag() << " "
                      << std::setw(9) << std::setfill(' ') << std::left
                      << (tn ? tn : "Unknown") << " "
                      << std::dec << std::setw(3)
                      << std::setfill(' ') << std::right
                      << i->count() << "  "
                      << std::dec << i->value()
                      << "\n";
        }

        if(i->key() == "Exif.GPSInfo.GPSLatitude" && !gps_from_filename)
        {
            gps.lat_ratio = QString::fromStdString(i->value().toString());
            convert_degMinSec(gps.lat_ratio, gps.lat_coord);
            gps.lat_coord.dec_form = getDecForm(gps.lat_coord, gps.lat_coord.ref);
            gps_found = true;
        }
        else if(i->key() == "Exif.GPSInfo.GPSLongitude" && !gps_from_filename)
        {
            gps.long_ratio = QString::fromStdString(i->value().toString());
            convert_degMinSec(gps.long_ratio, gps.long_coord);
            gps.long_coord.dec_form = getDecForm(gps.long_coord, gps.long_coord.ref);

            gps_found = true;
        }
        else if(i->key() == "Exif.GPSInfo.GPSLatitudeRef" && !gps_from_filename)
        {
            gps.lat_coord.ref = QString::fromStdString(i->value().toString());
        }
        else if(i->key() == "Exif.GPSInfo.GPSLongitudeRef" && !gps_from_filename)
        {
            gps.long_coord.ref = QString::fromStdString(i->value().toString());
        }
        else if(i->key() == "Exif.Photo.UserComment")
        {
            const char* tn = i->typeName();
            std::cout << std::setw(44) << std::setfill(' ') << std::left
                      << i->key() << " "
                      << "0x" << std::setw(4) << std::setfill('0') << std::right
                      << std::hex << i->tag() << " "
                      << std::setw(9) << std::setfill(' ') << std::left
                      << (tn ? tn : "Unknown") << " "
                      << std::dec << std::setw(3)
                      << std::setfill(' ') << std::right
                      << i->count() << "  "
                      << std::dec << i->value()
                      << "\n";

            //need to reset user comment if hasn't been set before
            if(i->count() == 264)
            {
                 (*exif_data)["Exif.Photo.UserComment"] = "";
                  image->writeMetadata();
            }
        }
    }

    if(!gps_found)
    {
        clearGPSdata(gps);
    }
}

开发者ID:Morgan243，项目名称:Dynamic-Image-Viewer，代码行数:77，代码来源:tag_handler.cpp

注：本文中的exiv2::exifdata::const_iterator::tag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。