本文整理汇总了C++中taglib::flac::Picture::render方法的典型用法代码示例。如果您正苦于以下问题：C++ Picture::render方法的具体用法？C++ Picture::render怎么用？C++ Picture::render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taglib::flac::Picture的用法示例。
在下文中一共展示了Picture::render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: if
//.........这里部分代码省略.........
const void * keys [count];
const void * values [count];
CFDictionaryGetKeysAndValues(additionalMetadata, reinterpret_cast<const void **>(keys), reinterpret_cast<const void **>(values));
for(CFIndex i = 0; i < count; ++i) {
CFIndex keySize = CFStringGetMaximumSizeForEncoding(CFStringGetLength(reinterpret_cast<CFStringRef>(keys[i])), kCFStringEncodingASCII);
char key [keySize + 1];
if(!CFStringGetCString(reinterpret_cast<CFStringRef>(keys[i]), key, keySize + 1, kCFStringEncodingASCII)) {
LOGGER_ERR("org.sbooth.AudioEngine", "CFStringGetCString failed");
continue;
}
SetAPETag(tag, key, reinterpret_cast<CFStringRef>(values[i]));
}
}
// ReplayGain info
SetAPETagDouble(tag, "REPLAYGAIN_REFERENCE_LOUDNESS", metadata.GetReplayGainReferenceLoudness(), CFSTR("%2.1f dB"));
SetAPETagDouble(tag, "REPLAYGAIN_TRACK_GAIN", metadata.GetReplayGainTrackGain(), CFSTR("%+2.2f dB"));
SetAPETagDouble(tag, "REPLAYGAIN_TRACK_PEAK", metadata.GetReplayGainTrackPeak(), CFSTR("%1.8f"));
SetAPETagDouble(tag, "REPLAYGAIN_ALBUM_GAIN", metadata.GetReplayGainAlbumGain(), CFSTR("%+2.2f dB"));
SetAPETagDouble(tag, "REPLAYGAIN_ALBUM_PEAK", metadata.GetReplayGainAlbumPeak(), CFSTR("%1.8f"));
// Album art
if(setAlbumArt) {
tag->removeItem("Cover Art (Front)");
tag->removeItem("Cover Art (Back)");
#if 0
tag->removeItem("METADATA_BLOCK_PICTURE");
#endif
for(auto attachedPicture : metadata.GetAttachedPictures()) {
// APE can handle front and back covers natively
if(AttachedPicture::Type::FrontCover == attachedPicture->GetType() || AttachedPicture::Type::FrontCover == attachedPicture->GetType()) {
TagLib::ByteVector data;
if(attachedPicture->GetDescription())
data.append(TagLib::StringFromCFString(attachedPicture->GetDescription()).data(TagLib::String::UTF8));
data.append('\0');
data.append(TagLib::ByteVector((const char *)CFDataGetBytePtr(attachedPicture->GetData()), (TagLib::uint)CFDataGetLength(attachedPicture->GetData())));
if(AttachedPicture::Type::FrontCover == attachedPicture->GetType())
tag->setData("Cover Art (Front)", data);
else if(AttachedPicture::Type::BackCover == attachedPicture->GetType())
tag->setData("Cover Art (Back)", data);
}
#if 0
else {
CGImageSourceRef imageSource = CGImageSourceCreateWithData(attachedPicture->GetData(), nullptr);
if(nullptr == imageSource)
return false;
TagLib::FLAC::Picture picture;
picture.setData(TagLib::ByteVector((const char *)CFDataGetBytePtr(attachedPicture->GetData()), (TagLib::uint)CFDataGetLength(attachedPicture->GetData())));
picture.setType(static_cast<TagLib::FLAC::Picture::Type>(attachedPicture->GetType()));
if(attachedPicture->GetDescription())
picture.setDescription(TagLib::StringFromCFString(attachedPicture->GetDescription()));
// Convert the image's UTI into a MIME type
CFStringRef mimeType = UTTypeCopyPreferredTagWithClass(CGImageSourceGetType(imageSource), kUTTagClassMIMEType);
if(mimeType) {
picture.setMimeType(TagLib::StringFromCFString(mimeType));
CFRelease(mimeType), mimeType = nullptr;
}
// Flesh out the height, width, and depth
CFDictionaryRef imagePropertiesDictionary = CGImageSourceCopyPropertiesAtIndex(imageSource, 0, nullptr);
if(imagePropertiesDictionary) {
CFNumberRef imageWidth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelWidth);
CFNumberRef imageHeight = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyPixelHeight);
CFNumberRef imageDepth = (CFNumberRef)CFDictionaryGetValue(imagePropertiesDictionary, kCGImagePropertyDepth);
int height, width, depth;
// Ignore numeric conversion errors
CFNumberGetValue(imageWidth, kCFNumberIntType, &width);
CFNumberGetValue(imageHeight, kCFNumberIntType, &height);
CFNumberGetValue(imageDepth, kCFNumberIntType, &depth);
picture.setHeight(height);
picture.setWidth(width);
picture.setColorDepth(depth);
CFRelease(imagePropertiesDictionary), imagePropertiesDictionary = nullptr;
}
TagLib::ByteVector encodedBlock = TagLib::EncodeBase64(picture.render());
tag->addValue("METADATA_BLOCK_PICTURE", TagLib::String(encodedBlock, TagLib::String::UTF8), false);
CFRelease(imageSource), imageSource = nullptr;
}
#endif
}
}
return true;
}