本文整理汇总了C++中exiv2::iptcdata::iterator::setValue方法的典型用法代码示例。如果您正苦于以下问题：C++ iterator::setValue方法的具体用法？C++ iterator::setValue怎么用？C++ iterator::setValue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::iptcdata::iterator的用法示例。
在下文中一共展示了iterator::setValue方法的1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: ModifyMeta
// Overwrites existing value if found, otherwise creates a new one.
// Passing invalidTypeId causes the type to be guessed.
// Guessing types is accurate for IPTC, but not for EXIF.
// Returns 0 on success
EXIVSIMPLE_API int ModifyMeta(HIMAGE img, const char *key, const char *val, DllTypeId type)
{
assert(img && key && val);
if (img==0 || key==0 || val==0) return -1;
ImageWrapper *imgWrap = (ImageWrapper*)img;
int rc = 2;
Exiv2::IptcData &iptcData = imgWrap->image->iptcData();
Exiv2::ExifData &exifData = imgWrap->image->exifData();
std::string data(val);
// if data starts and ends with quotes, remove them
if (data.at(0) == '\"' && data.at(data.size()-1) == '\"') {
data = data.substr(1, data.size()-2);
}
try {
Exiv2::IptcKey iptcKey(key);
rc = 1;
if (type == invalidTypeId)
type = (DllTypeId)Exiv2::IptcDataSets::dataSetType(iptcKey.tag(), iptcKey.record());
Exiv2::Value::AutoPtr value = Exiv2::Value::create((Exiv2::TypeId)type);
value->read(data);
Exiv2::IptcData::iterator iter = iptcData.findKey(iptcKey);
if (iter != iptcData.end()) {
iter->setValue(value.get());
rc = 0;
}
else {
rc = iptcData.add(iptcKey, value.get());
}
}
catch(const Exiv2::AnyError&) {
}
if (rc) {
// Failed with iptc, so try exif
try {
Exiv2::ExifKey exifKey(key);
rc = 1;
// No way to get value type for exif... string is the most common
if (type == invalidTypeId)
type = asciiString;
Exiv2::Value::AutoPtr value = Exiv2::Value::create((Exiv2::TypeId)type);
value->read(data);
Exiv2::ExifData::iterator iter = exifData.findKey(exifKey);
if (iter != exifData.end()) {
iter->setValue(value.get());
rc = 0;
}
else {
exifData.add(exifKey, value.get());
rc = 0;
}
}
catch(const Exiv2::AnyError&) {
}
}
return rc;
}