本文整理汇总了C#中UIImage.JPEGRepresentation方法的典型用法代码示例。如果您正苦于以下问题：C# UIImage.JPEGRepresentation方法的具体用法？C# UIImage.JPEGRepresentation怎么用？C# UIImage.JPEGRepresentation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UIImage的用法示例。
在下文中一共展示了UIImage.JPEGRepresentation方法的2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: Instagram
/// <summary>
/// Open Instagram with the specified image and caption.
/// </summary>
/// <returns><c>true</c> if Instagram is installed, <c>false</c> otherwise.</returns>
/// <param name="image">Image.</param>
/// <param name="caption">Caption.</param>
public static bool Instagram(UIImage image, string caption = null)
{
if (!UIApplication.SharedApplication().CanOpenURL(new NSURL("instagram://app")))
return false;
// write image to tmp folder
NSData data = image.JPEGRepresentation(1f);
string filePath = Application.temporaryCachePath + "/" + UUID.Generate() + ".igo";
data.WriteToFile(filePath, true);
_documentIC = UIDocumentInteractionController.InteractionController(new NSURL(filePath, false));
_documentIC.UTI = "com.instagram.exclusivegram";
if (caption != null) {
var annotation = new Dictionary<object, object>();
annotation["InstagramCaption"] = caption;
_documentIC.annotation = annotation;
}
var rootView = UIApplication.deviceRootViewController.view;
_documentIC.PresentOpenInMenu(new Rect(0, 0, 1, 1), rootView, true);
return true;
}示例2: ExportJPEG
/// <summary>
/// Exports an UIImage in JPEG format to Photos album.
/// Raises ExportCompleted or ExportFailed events on completion.
/// </summary>
/// <param name="image">Image.</param>
/// <param name="quality">Quality of the resulting JPEG from 0.0 to 1.0.</param>
public static void ExportJPEG(UIImage image, float quality)
{
NSData data = image.JPEGRepresentation(quality);
assetsLibrary.WriteImageDataToSavedPhotosAlbum(data, new Dictionary<object, object>(), _OnWriteCompletion);
}