public override void OnTakePicturesComplete(MultiAssetEventArgs pictures)
{
if (pictures == null)
{
return;
}
ImagesAttach.Clear();
ImagesToAddCount = pictures.Assets.Length;
CallbacksCount = 0;
var imageManager = new PHImageManager();
foreach (var asset in pictures.Assets)
{
imageManager.RequestImageData(asset,
new PHImageRequestOptions {
DeliveryMode = PHImageRequestOptionsDeliveryMode.HighQualityFormat
},
(NSData data, NSString dataUti, UIImageOrientation orientation, NSDictionary info) =>
{
double?latFinal = null;
double?lonFinal = null;
if (data != null)
{
GetLocationFromImageData(data, ref latFinal, ref lonFinal);
}
var picture = new CameraPicture {
Image = UIImage.LoadFromData(data), Data = data, Lat = latFinal, Lon = lonFinal
};
AddImagesIfRequired(picture);
});
}
}
async void Picker_FinishedPickingAssets(object sender, MultiAssetEventArgs args)
{
PHImageManager imageManager = new PHImageManager();
Console.WriteLine("User finished picking assets. {0} items selected.", args.Assets.Length);
_preselectedAssets = args.Assets;
// For demo purposes: just show all chosen pictures in order every second
foreach (var asset in args.Assets)
{
imagePreview.Image = null;
// Get information about the asset, e.g. file patch
asset.RequestContentEditingInput(new PHContentEditingInputRequestOptions(),
(input, _) =>
{
Console.WriteLine(input.FullSizeImageUrl);
});
imageManager.RequestImageForAsset(asset,
new CGSize(asset.PixelWidth, asset.PixelHeight),
PHImageContentMode.Default,
null,
(image, info) => {
imagePreview.Image = image;
});
await Task.Delay(1000);
}
}
private void Handle_PickedImages(object sender, MultiAssetEventArgs e)
{
ImageEntries = new List <ImageEntry>();
var phAssetArray = e.Assets;
var manager = PHImageManager.DefaultManager;
using (var options = new PHImageRequestOptions
{
Synchronous = true,
DeliveryMode = PHImageRequestOptionsDeliveryMode.HighQualityFormat,
ResizeMode = PHImageRequestOptionsResizeMode.Exact
})
{
foreach (var asset in phAssetArray)
{
if (asset.MediaType == PHAssetMediaType.Video)
{
HandleVideoSelected();
return;
}
manager.RequestImageForAsset(asset, new CGSize(asset.PixelWidth, asset.PixelHeight),
PHImageContentMode.Default, options, (result, info) =>
{
var resources = PHAssetResource.GetAssetResources(asset);
var name = resources != null && resources.Length > 0
? resources[0].OriginalFilename
: string.Empty;
ImageEntries.Add(new ImageEntry(result.ToSKImage(), name, (DateTime)asset.CreationDate,
null));
});
}
LaunchAnalysisScreen(ImageEntries);
}
}
void PickerController_FinishedPickingAssets(object sender, MultiAssetEventArgs args)
{
List <object> encodedImages = new List <object>();
foreach (var asset in args.Assets)
{
PHImageManager imageManager = new PHImageManager();
// we make sure the image are saved in the same quality with this option
PHImageRequestOptions options = new PHImageRequestOptions {
NetworkAccessAllowed = true,
DeliveryMode = PHImageRequestOptionsDeliveryMode.HighQualityFormat,
Synchronous = true
};
imageManager.RequestImageForAsset(asset,
new CGSize(asset.PixelWidth, asset.PixelHeight), PHImageContentMode.Default, options,
(image, info) => {
byte[] dataBytes = new byte[image.AsPNG().Length];
System.Runtime.InteropServices.Marshal.Copy(image.AsPNG().Bytes, dataBytes, 0, Convert.ToInt32(image.AsPNG().Length));
encodedImages.Add(dataBytes);
});
}
// post the message with the list attached
MessagingCenter.Send <object, object>(this, MessagingKeys.DidFinishSelectingImages, encodedImages);
}
private async void FinishedPickingAssets(object sender, MultiAssetEventArgs args)
{
var results = new List <MediaFile>(24);
var tcs = new TaskCompletionSource <IList <MediaFile> >();
Debug.WriteLine("User finished picking assets. {0} items selected.", args.Assets.Length);
_preselectedAssets = args.Assets;
// For demo purposes: just show all chosen pictures in order every second
foreach (var asset in _preselectedAssets)
{
// Get information about the asset, e.g. file patch
asset.RequestContentEditingInput(new PHContentEditingInputRequestOptions(),
completionHandler: (input, options) =>
{
var path = input.FullSizeImageUrl.ToString();
path = path.Replace("file://", "");
var fileName = System.IO.Path.GetFileNameWithoutExtension(path);
var ext = System.IO.Path.GetExtension(path);
var imgOption = MediaFileGetImageOptions.CreateDefaultThumb();
var thumbImageBytes = AssetImageService.GetImageBytes(asset, imgOption);
var thumbnailImagePath =
MediaFileHelper.GetOutputPath(MediaFileType.Image, "TmpMedia",
$"{fileName}-THUMBNAIL{ext}");
System.IO.File.WriteAllBytes(thumbnailImagePath, thumbImageBytes);
results.Add(new MediaFile
{
Path = path,
PreviewPath = thumbnailImagePath,
Type = MediaFileType.Image
});
});
await Task.Delay(250);
}
tcs.TrySetResult(results);
_mediaPickTcs?.TrySetResult(await tcs.Task);
_preselectedAssets = null;
}
async void FinishedPickingAssets(object sender, MultiAssetEventArgs args)
{
IList <MediaFile> results = new List <MediaFile>();
TaskCompletionSource <IList <MediaFile> > tcs = new TaskCompletionSource <IList <MediaFile> >();
var options = new Photos.PHImageRequestOptions()
{
NetworkAccessAllowed = true
};
options.Synchronous = false;
options.ResizeMode = PHImageRequestOptionsResizeMode.Fast;
options.DeliveryMode = PHImageRequestOptionsDeliveryMode.HighQualityFormat;
bool completed = false;
for (var i = 0; i < args.Assets.Length; i++)
{
var asset = args.Assets[i];
string fileName = string.Empty;
if (UIDevice.CurrentDevice.CheckSystemVersion(9, 0))
{
fileName = PHAssetResource.GetAssetResources(asset).FirstOrDefault().OriginalFilename;
}
switch (asset.MediaType)
{
case PHAssetMediaType.Video:
PHImageManager.DefaultManager.RequestImageForAsset(asset, new SizeF(150.0f, 150.0f),
PHImageContentMode.AspectFill, options, async(img, info) =>
{
var startIndex = fileName.IndexOf(".", StringComparison.CurrentCulture);
string path = "";
if (startIndex != -1)
{
path = FileHelper.GetOutputPath(MediaFileType.Image, TemporalDirectoryName, $"{fileName.Substring(0, startIndex)}-THUMBNAIL.JPG");
}
else
{
path = FileHelper.GetOutputPath(MediaFileType.Image, TemporalDirectoryName, string.Empty);
}
if (!File.Exists(path))
{
img.AsJPEG().Save(path, true);
}
TaskCompletionSource <string> tvcs = new TaskCompletionSource <string>();
var vOptions = new PHVideoRequestOptions();
vOptions.NetworkAccessAllowed = true;
vOptions.Version = PHVideoRequestOptionsVersion.Original;
vOptions.DeliveryMode = PHVideoRequestOptionsDeliveryMode.FastFormat;
PHImageManager.DefaultManager.RequestAvAsset(asset, vOptions, (avAsset, audioMix, vInfo) =>
{
var vPath = FileHelper.GetOutputPath(MediaFileType.Video, TemporalDirectoryName, fileName);
if (!File.Exists(vPath))
{
AVAssetExportSession exportSession = new AVAssetExportSession(avAsset, AVAssetExportSession.PresetHighestQuality);
exportSession.OutputUrl = NSUrl.FromFilename(vPath);
exportSession.OutputFileType = AVFileType.QuickTimeMovie;
exportSession.ExportAsynchronously(() =>
{
Console.WriteLine(exportSession.Status);
tvcs.TrySetResult(vPath);
//exportSession.Dispose();
});
}
});
var videoUrl = await tvcs.Task;
var meFile = new MediaFile()
{
Type = MediaFileType.Video,
Path = videoUrl,
PreviewPath = path
};
results.Add(meFile);
OnMediaPicked?.Invoke(this, meFile);
if (args.Assets.Length == results.Count && !completed)
{
completed = true;
tcs.TrySetResult(results);
}
});
break;
default:
Photos.PHImageManager.DefaultManager.RequestImageData(asset, options, (data, dataUti, orientation, info) =>
{
string path = FileHelper.GetOutputPath(MediaFileType.Image, TemporalDirectoryName, fileName);
if (!File.Exists(path))
{
Debug.WriteLine(dataUti);
var imageData = data;
//var image = UIImage.LoadFromData(imageData);
//if (imageScale < 1.0f)
//{
// //begin resizing image
// image = image.ResizeImageWithAspectRatio((float)imageScale);
//}
//if (imageQuality < 100)
//{
// imageData = image.AsJPEG(Math.Min(imageQuality,100));
//}
imageData?.Save(path, true);
}
var meFile = new MediaFile()
{
Type = MediaFileType.Image,
Path = path,
PreviewPath = path
};
results.Add(meFile);
OnMediaPicked?.Invoke(this, meFile);
if (args.Assets.Length == results.Count && !completed)
{
completed = true;
tcs.TrySetResult(results);
}
});
break;
}
}
mediaPickTcs?.TrySetResult(await tcs.Task);
}
async void FinishedPickingAssets(object sender, MultiAssetEventArgs args)
{
var picker = (GMImagePickerController)sender;
picker.FinishedPickingAssets -= FinishedPickingAssets;
picker.Canceled -= OnPickerCanceled;
// synchronous: NO.异步。
// a.deliveryMode: Opportunistic: 会返回多张图片
// 1). ResizeMode.None: 先返回低清的缩略图，再返回原图大小
// 2). ResizeMode.Fast: 先返回低清的缩略图，再返回的原图会使用targetSize来最优解码图片，获得的图片大小可能比targetSize大
// 3). ResizeMode.Exact: 先返回低清的缩略图，再返回的原图会使用targetSize的高质量图
// b.deliveryMode: HighQualityFormat: 只会返回一张高清图片
// 1). ResizeMode.None: 返回的是原图大小
// 2). ResizeMode.Fast: 当原图是压缩图时，会使用targetSize来最优解码图片，获得的图片大小可能比targetSize大
// 3). ResizeMode.Exact: 解压和Fast一样，但是返回的是指定targetSize的高质量图
// c.deliveryMode: FastFormat: 只会返回一张图片，并且可能是低清图
// 1). ResizeMode.None: 返回一张低清图
// 2). ResizeMode.Fast: 返回一张低清图
// 3). ResizeMode.Exact: 返回一张低清图
var options = new PHImageRequestOptions
{
NetworkAccessAllowed = true,
Synchronous = false,
DeliveryMode = PHImageRequestOptionsDeliveryMode.HighQualityFormat,
ResizeMode = PHImageRequestOptionsResizeMode.Exact,
};
var tcs = new TaskCompletionSource <object>();
bool completed = false;
List <FileData> result = new List <FileData>();
for (var i = 0; i < args.Assets.Length; i++)
{
var asset = args.Assets[i];
switch (asset.MediaType)
{
case PHAssetMediaType.Video:
// 未测
PHImageManager.DefaultManager.RequestImageForAsset(
asset,
new SizeF(FileData.ThumbSize, FileData.ThumbSize),
PHImageContentMode.AspectFit,
options,
async(img, info) =>
{
// 获取路径，麻烦
TaskCompletionSource <NSUrl> tcsUrl = new TaskCompletionSource <NSUrl>();
var vOptions = new PHVideoRequestOptions
{
NetworkAccessAllowed = true,
Version = PHVideoRequestOptionsVersion.Original,
DeliveryMode = PHVideoRequestOptionsDeliveryMode.FastFormat,
};
PHImageManager.DefaultManager.RequestAvAsset(
asset,
vOptions,
(avAsset, audioMix, vInfo) =>
{
if (avAsset is AVUrlAsset avUrl)
{
tcsUrl.TrySetResult(avUrl.Url);
}
else
{
tcsUrl.TrySetResult(null);
}
});
NSUrl url = await tcsUrl.Task;
// 生成文件描述和缩略图
var fd = ParseUrl(url);
fd.Desc = $"{asset.PixelWidth} x {asset.PixelHeight} ({fd.Ext.TrimStart('.')})";
fd.ThumbPath = Path.Combine(Kit.CachePath, Kit.NewGuid + "-t.jpg");
img.AsJPEG().Save(fd.ThumbPath, true);
result.Add(fd);
if (args.Assets.Length == result.Count && !completed)
{
completed = true;
tcs.TrySetResult(null);
}
});
break;
default:
PHImageManager.DefaultManager.RequestImageForAsset(
asset,
new SizeF(FileData.ThumbSize, FileData.ThumbSize),
PHImageContentMode.AspectFit,
options,
async(img, info) =>
{
// 获取路径，麻烦
TaskCompletionSource <NSUrl> tcsUrl = new TaskCompletionSource <NSUrl>();
asset.RequestContentEditingInput(new PHContentEditingInputRequestOptions(), (input, _) =>
{
tcsUrl.TrySetResult(input.FullSizeImageUrl);
});
NSUrl url = await tcsUrl.Task;
// 生成文件描述和缩略图
var fd = ParseUrl(url);
fd.Desc = $"{asset.PixelWidth} x {asset.PixelHeight} ({fd.Ext.TrimStart('.')})";
if (asset.PixelWidth > FileData.ThumbSize || asset.PixelHeight > FileData.ThumbSize)
{
fd.ThumbPath = Path.Combine(Kit.CachePath, Kit.NewGuid + "-t.jpg");
img.AsJPEG().Save(fd.ThumbPath, true);
}
result.Add(fd);
if (args.Assets.Length == result.Count && !completed)
{
completed = true;
tcs.TrySetResult(null);
}
});
break;
}
}
// 用临时tcs等待比直接在回调方法中用_tcs速度大幅提高！！！
await tcs.Task;
_tcs.TrySetResult(result);
}
private void Picker_FinishedPickingAssets(object sender, MultiAssetEventArgs args)
{
_multiAsset = args;
// imgView.Image= pHAsset.Location
// uIImage. = pHAsset.Location();
// List< UIImage> uIImage = new List<UIImage> ();
//foreach (PHAsset asset in args.Assets)
//{//
// string date = string.Empty;
// UIImageView imag = new UIImageView();
// iEbutton button = new iEbutton();
// string endex = string.Empty;
// UIImage image1 = new UIImage();
// AVPlayer avplayer = new AVPlayer();
// if (icount >= 0) {
// if (asset.MediaType == PHAssetMediaType.Video)
// {
// isvideo = true;
// // NSUrl videoUrl = null;
// imageManager.RequestAvAsset(asset, null, (avsset, avaudio, NsD) =>
// {
// // string UrlConvertString = null;
// var videoUrl = ((AVFoundation.AVUrlAsset)avsset).Url;
// string UrlConvertString = (videoUrl.AbsoluteString);
// UrlVideoString.Add(UrlConvertString);
// });
// }
// imageManager.RequestImageForAsset(asset,
// new CGSize(asset.PixelWidth, asset.PixelHeight),
// PHImageContentMode.Default,
// null,
// (image, info) =>
// {
// // endex = image.AccessibilityPath.ToString();
// // endex = "jpg";
// //
// if (!isvideo)
// {
// im = image;
// // Imagedata.Add(image);
// byte[] myByteArray;
// using (NSData imageData = image.AsPNG())
// {
// myByteArray = new Byte[imageData.Length];
// System.Runtime.InteropServices.Marshal.Copy(imageData.Bytes, myByteArray, 0, Convert.ToInt32(imageData.Length));
// }
// //node
// string documentsPath = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
// string localFilename = "text.jpg"; //same if I save the file as .mp4
// var localPath = Path.Combine(documentsPath, localFilename);
// File.WriteAllBytes(localPath, myByteArray);
// byte[] n = File.ReadAllBytes(localPath);
// string random = GeneratePassword(7);
// DataSql.process(library.File(2), library.INSERT(2), DataSql_Parameters(random + ".jpg", n, "jpg/png"));
// //node
// }
// // button.creation(i, image);
// // date = DateTime.Now.ToString("MMddHHmmss");
// icount--;
// Thread.Sleep(500);
// });
//}
// //button.getText(date);
// //button.click += Button_TouchUpInside; ;
// // isvideo = false;
// //UIbutton.Add(button);
// // lab.Text = ImageView.Count.ToString();
// // Imagedata.Add(image1);
//}//end foreach
// finshpluse = 1;
// imgView.Image = uIImage[uIImage.Count-1];
// scoll = new UIScrollView();
//if (scoll.Frame.Height > scoll.Frame.Width )
//{
// scoll.ContentSize = new CGSize(uiv.Frame.Width -70, ImageView.Count * 15);
// putimage(50,70,14);
//}
//else { scoll.ContentSize = new CGSize(ImageView.Count+20, ImageView.Count * 15);
// putimage(80, 90, 40);
//}
exration();
// im = false;
//finshpluse = 1;
//todatabese();
;
}
void exration()
{ //change
saveFormGrally.Clear();
// Imagedata.Clear();
int icount = _multiAsset.Assets.Count();
string date = string.Empty;
UIImageView imag = new UIImageView();
iEbutton button = new iEbutton();
string endex = string.Empty;
PHImageManager imageManager = new PHImageManager();
// bool isvideo = false;
UIImage image1 = new UIImage();
// byetdata = new List<byte[]>();
foreach (PHAsset asset in _multiAsset.Assets)
{
save_Plus save = new save_Plus();
bool isvideo = false;
AVPlayer avplayer = new AVPlayer();
if (asset.MediaType == PHAssetMediaType.Video)
{
isvideo = true;
// NSUrl videoUrl = null;
imageManager.RequestAvAsset(asset, null, (avsset, avaudio, NsD) =>
{
// string UrlConvertString = null;
var videoUrl = ((AVFoundation.AVUrlAsset)avsset).Url;
string UrlConvertString = (videoUrl.AbsoluteString);
save.Url = UrlConvertString;
save.Extension = "Video";
// UrlVideoString.Add(UrlConvertString);
});
}
imageManager.RequestImageForAsset(asset,
new CGSize(asset.PixelWidth, asset.PixelHeight),
PHImageContentMode.Default,
null,
(image, info) =>
{
// endex = image.AccessibilityPath.ToString();
// endex = "jpg";
//
if (!isvideo)
{
save.Image = image;
save.Thumbnail = image;
save.Extension = "Image";
// byte[] myByteArray;
// using (NSData imageData = image.AsPNG())
// {
// myByteArray = new Byte[imageData.Length];
// System.Runtime.InteropServices.Marshal.Copy(imageData.Bytes, myByteArray, 0, Convert.ToInt32(imageData.Length));
// }
// string random = GeneratePassword(7);
//// Imagedata.Add(image);
// DataSql.process(library.File(2), library.INSERT(2), DataSql_Parameters(random + ".jpg", myByteArray, "image"));
//node
} // if isvideo
else
{
save.Thumbnail = image;
}
isvideo = true;
// button.creation(i, image);
// date = DateTime.Now.ToString("MMddHHmmss");
icount--;
saveFormGrally.Add(save);
Thread.Sleep(500);
});
}
//button.getText(date);
//button.click += Button_TouchUpInside; ;
// isvideo = false;
//UIbutton.Add(button);
// lab.Text = ImageView.Count.ToString();
// Imagedata.Add(image1);
//nd foreach}
_multiAsset = null;
todatabese();
finshpluse = 1;
}
public virtual void OnTakePicturesComplete(MultiAssetEventArgs pictures)
{
}
//puls button;
private void Picker_FinishedPickingAssets(object sender, MultiAssetEventArgs args)
{
UrlVideoString.Clear();
Imagedata.Clear();
// Imagedata = null;
bool isvideo = false;
int i = buttonnumber;
PHAsset pHAsset = args.Assets[0];
// imgView.Image= pHAsset.Location
// uIImage. = pHAsset.Location();
// List< UIImage> uIImage = new List<UIImage> ();
PHImageManager imageManager = new PHImageManager();
foreach (var asset in args.Assets)
{ //
string date = string.Empty;
UIImageView imag = new UIImageView();
iEbutton button = new iEbutton();
string endex = string.Empty;
UIImage image1 = new UIImage();
AVPlayer avplayer = new AVPlayer();
if (asset.MediaType == PHAssetMediaType.Video)
{
isvideo = true;
// NSUrl videoUrl = null;
imageManager.RequestAvAsset(asset, null, (avsset, avaudio, NsD) =>
{
// string UrlConvertString = null;
var videoUrl = ((AVFoundation.AVUrlAsset)avsset).Url;
string UrlConvertString = (videoUrl.AbsoluteString);
UrlVideoString.Add(UrlConvertString);
});
}
imageManager.RequestImageForAsset(asset,
new CGSize(asset.PixelWidth, asset.PixelHeight),
PHImageContentMode.Default,
null,
(image, info) =>
{
// endex = image.AccessibilityPath.ToString();
// endex = "jpg";
//
if (isvideo == false)
{
image1 = image;
imag.Image = image;
Imagedata.Add(image1);
// button.creation(i, image);
}
// date = DateTime.Now.ToString("MMddHHmmss");
Thread.Sleep(1000);
});
//button.getText(date);
//button.click += Button_TouchUpInside; ;
isvideo = false;
//UIbutton.Add(button);
// lab.Text = ImageView.Count.ToString();
// Imagedata.Add(image1);
} //end foreach
// finshpluse = 1;
// imgView.Image = uIImage[uIImage.Count-1];
// scoll = new UIScrollView();
//if (scoll.Frame.Height > scoll.Frame.Width )
//{
// scoll.ContentSize = new CGSize(uiv.Frame.Width -70, ImageView.Count * 15);
// putimage(50,70,14);
//}
//else { scoll.ContentSize = new CGSize(ImageView.Count+20, ImageView.Count * 15);
// putimage(80, 90, 40);
//}
finshpluse = 1;
todatabese();
}
