public static bool PutBitmapToCacheByUrl (string url, Bitmap bitmap, Context ctx)
{
var imagePath = GetCachePathForUrl (url, "UserImages", ctx);
try {
Directory.CreateDirectory (FilePath.GetDirectoryName (imagePath));
using (var fileStream = new FileStream (imagePath + ".png", FileMode.Create)) {
bitmap.Compress (Bitmap.CompressFormat.Png, 90, fileStream);
}
return true;
} catch (IOException ex) {
var log = ServiceContainer.Resolve<ILogger> ();
if (ex.Message.StartsWith ("Sharing violation on")) {
// Treat FAT filesystem related failure as expected behaviour
log.Info (LogTag, ex, "Failed to save bitmap to cache.");
} else {
log.Warning (LogTag, ex, "Failed to save bitmap to cache.");
}
return false;
} catch (Exception ex) {
var log = ServiceContainer.Resolve<ILogger> ();
log.Warning (LogTag, ex, "Failed to save bitmap to cache.");
return false;
}
}
/// <exception cref="Couchbase.Lite.CouchbaseLiteException"></exception>
public static Couchbase.Lite.Document CreateTask(Database database, string title,
Bitmap image, string listId)
{
SimpleDateFormat dateFormatter = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'"
);
Calendar calendar = GregorianCalendar.GetInstance();
string currentTimeString = dateFormatter.Format(calendar.GetTime());
IDictionary<string, object> properties = new Dictionary<string, object>();
properties.Put("type", DocType);
properties.Put("title", title);
properties.Put("checked", false);
properties.Put("created_at", currentTimeString);
properties.Put("list_id", listId);
Couchbase.Lite.Document document = database.CreateDocument();
UnsavedRevision revision = document.CreateRevision();
revision.SetUserProperties(properties);
if (image != null)
{
ByteArrayOutputStream @out = new ByteArrayOutputStream();
image.Compress(Bitmap.CompressFormat.Jpeg, 50, @out);
ByteArrayInputStream @in = new ByteArrayInputStream(@out.ToByteArray());
revision.SetAttachment("image", "image/jpg", @in);
}
revision.Save();
return document;
}
public static String BitmapToBase64String(Bitmap originalImage)
{
MemoryStream ms = new MemoryStream();
originalImage.Compress(Bitmap.CompressFormat.Png, 100, ms);
byte[] imageData = ms.ToArray();
originalImage.Dispose();
return Base64.EncodeToString(imageData, Base64Flags.NoWrap);
}
static private byte[] getBytes(Bitmap b)
{
using (var stream = new MemoryStream())
{
b.Compress(Bitmap.CompressFormat.Png, 0, stream);
return stream.ToArray();
}
}
public static void WriteBmp( Bitmap bmp, Stream dst )
{
#if !ANDROID
bmp.Save( dst, ImageFormat.Png );
#else
bmp.Compress( Bitmap.CompressFormat.Png, 100, dst );
#endif
}
public static byte[] ByteArrayFromImage(Bitmap bmp)
{
using (var stream = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Png, 0, stream);
return stream.ToArray();
}
}
public static DumpValue AsImage(Bitmap image)
{
byte[] dataBytes;
using (var stream = new MemoryStream())
{
image.Compress(Bitmap.CompressFormat.Jpeg, 60, stream);
dataBytes = stream.ToArray();
}
return new DumpValue { TypeName = "___IMAGE___", DumpType = DumpValue.DumpTypes.Image, PrimitiveValue = Convert.ToBase64String(dataBytes) };
}
public static byte[] ImagetoByteArray(Android.Graphics.Bitmap bitmap, int quality = 90)
{
byte[] bitmapData;
using (var stream = new MemoryStream())
{
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, quality, stream);
bitmapData = stream.ToArray();
}
return(bitmapData);
}
private File SaveBitmap(Bitmap b)
{
string filename = string.Format("{0}MyFile{1:HH_mm_s}.jpg", DIRECTORY_PATH, DateTime.Now);
File f = new File(filename);
using (System.IO.FileStream fs = new System.IO.FileStream(f.AbsolutePath, System.IO.FileMode.OpenOrCreate))
{
b.Compress(Bitmap.CompressFormat.Jpeg, 9, fs);
return f;
}
}
public static byte[] BitmapToBytes(Android.Graphics.Bitmap bitmap)
{
byte[] data = new byte[0];
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 90, stream);
stream.Close();
data = stream.ToArray();
}
return(data);
}
/// <summary>
/// Convert bitmap to jpeg
/// </summary>
/// <param name="bmp">The android bitmap</param>
/// <returns>The jpeg representation</returns>
public static Emgu.Models.JpegData ToJpeg(this Android.Graphics.Bitmap bmp)
{
using (MemoryStream ms = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Jpeg, 90, ms);
JpegData result = new JpegData();
result.Raw = ms.ToArray();
result.Width = bmp.Width;
result.Height = bmp.Height;
return(result);
}
}
public void SaveToStream(Stream stream, ImageFileType fileType)
{
if (Image == null)
{
return;
}
if (fileType == ImageFileType.Bmp)
{
throw new ArgumentException(string.Format("{0} is not supported", fileType));
}
Image.Compress(fileType.ToDroid(), 100, stream);
}
public bool WriteFile(Mat mat, String fileName)
{
try
{
FileInfo fileInfo = new FileInfo(fileName);
using (Android.Graphics.Bitmap bmp = mat.ToBitmap())
using (FileStream fs = fileInfo.Open(FileMode.Append, FileAccess.Write))
{
String extension = fileInfo.Extension.ToLower();
Debug.Assert(extension.Substring(0, 1).Equals("."));
switch (extension)
{
case ".jpg":
case ".jpeg":
bmp.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 90, fs);
break;
case ".png":
bmp.Compress(Android.Graphics.Bitmap.CompressFormat.Png, 90, fs);
break;
case ".webp":
bmp.Compress(Android.Graphics.Bitmap.CompressFormat.Webp, 90, fs);
break;
default:
throw new NotImplementedException(String.Format("Saving to {0} format is not supported",
extension));
}
}
return(true);
}
catch (Exception e)
{
Debug.WriteLine(e);
//throw;
return(false);
}
}
public static string ImageToBase64(Android.Graphics.Bitmap image, int quality = 90)
{
var stream = new System.IO.MemoryStream();
//using ()
//{
image.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, quality, stream);
//float mb = (stream.ToArray().Length / 1024f) / 1024f;
return(Convert.ToBase64String(stream.ToArray()));
//}
}
// changer le format des images
public string ResizeImage(string sourceFilePath)
{
Android.Graphics.Bitmap bmp = Android.Graphics.BitmapFactory.DecodeFile(sourceFilePath);
string newPath = sourceFilePath.Replace(".jpg", ".png");
using (var fs = new FileStream(newPath, FileMode.OpenOrCreate))
{
bmp.Compress(Android.Graphics.Bitmap.CompressFormat.Png, 100, fs);
}
return(newPath);
}
private MemoryStream RenderToBitmapStreamPrivate(IViewport viewport, IEnumerable <ILayer> layers)
{
Bitmap target = Bitmap.CreateBitmap((int)viewport.Width, (int)viewport.Height, Bitmap.Config.Argb8888);
var canvas = new Canvas(target);
Render(canvas, viewport, layers, ShowDebugInfoInMap);
var stream = new MemoryStream();
target.Compress(Bitmap.CompressFormat.Png, 100, stream);
target.Dispose();
canvas.Dispose();
return(stream);
}
private async void SetMetaData(int position, string title, string artist, ThumbnailSet thumbnails)
{
string filePath = queue[position].Path;
await Task.Run(async() =>
{
Stream stream = new FileStream(filePath, FileMode.Open, FileAccess.ReadWrite);
var meta = TagLib.File.Create(new StreamFileAbstraction(filePath, stream, stream));
meta.Tag.Title = title;
meta.Tag.Performers = new string[] { artist };
meta.Tag.Album = title + " - " + artist;
meta.Tag.Comment = queue[position].YoutubeID;
IPicture[] pictures = new IPicture[1];
Bitmap bitmap = Picasso.With(this).Load(await YoutubeManager.GetBestThumb(thumbnails)).Transform(new RemoveBlackBorder(true)).MemoryPolicy(MemoryPolicy.NoCache).Get();
byte[] data;
using (var MemoryStream = new MemoryStream())
{
bitmap.Compress(Bitmap.CompressFormat.Png, 0, MemoryStream);
data = MemoryStream.ToArray();
}
bitmap.Recycle();
pictures[0] = new Picture(data);
meta.Tag.Pictures = pictures;
meta.Save();
stream.Dispose();
});
MediaScannerConnection.ScanFile(this, new string[] { filePath }, null, this);
if (queue[position].PlaylistName == null)
{
queue[position].State = DownloadState.Completed;
}
else
{
queue[position].State = DownloadState.Playlist;
}
if (!queue.Exists(x => x.State == DownloadState.None || x.State == DownloadState.Downloading || x.State == DownloadState.Initialization || x.State == DownloadState.MetaData || x.State == DownloadState.Playlist))
{
StopForeground(true);
DownloadQueue.instance?.Finish();
queue.Clear();
}
else
{
UpdateList(position);
}
}
public async Task<string> UploadImage(Bitmap bitmap)
{
var uploadVM = new UploadViewModel();
var stream = new MemoryStream();
bitmap.Compress(Bitmap.CompressFormat.Png, 0, stream);
uploadVM.PictureStream = stream;
uploadVM.ImageIdentifier = Guid.NewGuid() + ".bmp";
await azureStorageService.UploadPicture(uploadVM);
return string.Format("{0}{1}", AndroidPollImageViewModel.PollPicturesUrlBase, uploadVM.ImageIdentifier);
}
public static string ResizeImage(string sourceFilePath)
{
string newPath = sourceFilePath.Replace(".jpg", "_.jpg");
newPath = System.IO.Path.Combine(System.Environment.GetFolderPath(System.Environment.SpecialFolder.Personal), System.IO.Path.GetFileName(newPath));
using (Android.Graphics.Bitmap bmp = Android.Graphics.BitmapFactory.DecodeFile(sourceFilePath))
{
using (var fs = new FileStream(newPath, FileMode.OpenOrCreate))
{
bmp.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 20, fs);
}
}
GC.Collect();
return(newPath);
}
private void BtnSave_Click(object sender, EventArgs e)
{
SignatureImage = sign_pad.GetImage();
//byte[] b = new byte[(long)f.Length()];
//f.ReadFully(b);
//Java.IO.File file;
//Toast.MakeText(Activity, "Signature Saved", ToastLength.Short).Show();
//ByteBuffer buffer = ByteBuffer.Allocate(SignatureImage.ByteCount);
//SignatureImage.CopyPixelsToBuffer(buffer);
//buffer.Rewind();
////Byte array signature
//IntPtr classHandle = JNIEnv.FindClass("java/nio/ByteBuffer");
//IntPtr methodId = JNIEnv.GetMethodID(classHandle, "array", "()[B");
//IntPtr resultHandle = JNIEnv.CallObjectMethod(buffer.Handle, methodId);
//byte[] result = JNIEnv.GetArray<byte>(resultHandle);
//JNIEnv.DeleteLocalRef(resultHandle);
try
{
int byteSize = SignatureImage.RowBytes * SignatureImage.Height;
int bytes = SignatureImage.ByteCount;
MemoryStream stream = new MemoryStream();
SignatureImage.Compress(Bitmap.CompressFormat.Png, 0, stream);
byte[] bitmapData = stream.ToArray();
bool uploadsign = SQL_Functions.uploadSignature(bitmapData);
Toast.MakeText(Activity, "Signature Uploaded", ToastLength.Short).Show();
}
catch (Exception ex)
{
new Android.Support.V7.App.AlertDialog.Builder(Activity).SetTitle("Indigent App Error").SetMessage("Upload failed: " + ex.Message + "\n \nPlease try again later").SetCancelable(true).Show();
}
Dismiss();
}
public void Save(System.IO.Stream stream, Imaging.ImageCodecInfo info, Imaging.EncoderParameters e)
{
Android.Graphics.Bitmap.CompressFormat _format;
switch (info.FormatDescription)
{
case "PNG":
_format = Android.Graphics.Bitmap.CompressFormat.Png;
break;
case "JPEG":
default:
_format = Android.Graphics.Bitmap.CompressFormat.Jpeg;
break;
}
ABitmap.Compress(_format, 100, stream);
}
public byte[] DrawResultsToJpeg(String fileName, MultiboxGraph.Result detectResult, float scoreThreshold = 0.2f)
{
#if __ANDROID__
BitmapFactory.Options options = new BitmapFactory.Options();
options.InMutable = true;
Android.Graphics.Bitmap bmp = BitmapFactory.DecodeFile(fileName, options);
MultiboxGraph.DrawResults(bmp, detectResult, scoreThreshold);
using (MemoryStream ms = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Jpeg, 90, ms);
return(ms.ToArray());
}
#elif __MACOS__
NSImage img = NSImage.ImageNamed(fileName);
MultiboxGraph.DrawResults(img, detectResult, scoreThreshold);
var imageData = img.AsTiff();
var imageRep = NSBitmapImageRep.ImageRepsWithData(imageData)[0] as NSBitmapImageRep;
var jpegData = imageRep.RepresentationUsingTypeProperties(NSBitmapImageFileType.Jpeg, null);
byte[] jpeg = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, jpeg, 0, (int)jpegData.Length);
return(jpeg);
#elif __IOS__
UIImage uiimage = new UIImage(fileName);
UIImage newImg = MultiboxGraph.DrawResults(uiimage, detectResult, scoreThreshold);
var jpegData = newImg.AsJPEG();
byte[] jpeg = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, jpeg, 0, (int)jpegData.Length);
return(jpeg);
#else
if (Emgu.TF.Util.Platform.OperationSystem == OS.Windows)
{
Bitmap img = new Bitmap(fileName);
MultiboxGraph.DrawResults(img, detectResult, scoreThreshold);
using (MemoryStream ms = new MemoryStream())
{
img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
return(ms.ToArray());
}
}
else
{
throw new Exception("DrawResultsToJpeg Not implemented for this platform");
}
#endif
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (resultCode == Result.Ok)
{
pic.SetImageURI(data.Data);
Android.Graphics.Bitmap mBitmap = null;
mBitmap = Android.Provider.MediaStore.Images.Media.GetBitmap(this.ContentResolver, data.Data);
using (var stream = new MemoryStream())
{
mBitmap.Compress(Bitmap.CompressFormat.Png, 0, stream);
slika = stream.ToArray();
}
}
}
//TODO: ASync
private void CallCloudVision(Android.Graphics.Bitmap bitmap)
{
mImageDetails.SetText(Resource.String.loading_message);
GoogleCredential credential =
GoogleCredential.GetApplicationDefaultAsync().Result;
if (credential.IsCreateScopedRequired)
{
credential = credential.CreateScoped(new[]
{
VisionService.Scope.CloudPlatform
});
}
var vision = new VisionService(new BaseClientService.Initializer
{
HttpClientInitializer = credential,
GZipEnabled = false
});
var byteArrayOutputStream = new MemoryStream();
bitmap.Compress(Bitmap.CompressFormat.Png, 100, byteArrayOutputStream);
var byteArray = byteArrayOutputStream.ToArray();
var imageData = Convert.ToBase64String(byteArray);
var responses = vision.Images.Annotate(
new BatchAnnotateImagesRequest()
{
Requests = new[] {
new AnnotateImageRequest()
{
Features = new [] { new Feature()
{
Type =
"LABEL_DETECTION"
} },
Image = new Image()
{
Content = imageData
}
}
}
}).Execute();
}
/// <summary>
/// Read the file and draw rectangles on it.
/// </summary>
/// <param name="fileName">The name of the file.</param>
/// <param name="annotations">Annotations to be add to the image. Can consist of rectangles and labels</param>
/// <returns>The image in Jpeg stream format</returns>
public static Emgu.Models.JpegData ImageFileToJpeg(String fileName, Annotation[] annotations = null)
{
using (BitmapFactory.Options options = new BitmapFactory.Options())
{
options.InMutable = true;
using (Android.Graphics.Bitmap bmp = BitmapFactory.DecodeFile(fileName, options))
{
if (annotations != null)
{
using (Android.Graphics.Paint p = new Android.Graphics.Paint())
using (Canvas c = new Canvas(bmp))
{
p.AntiAlias = true;
p.Color = Android.Graphics.Color.Red;
p.TextSize = 20;
for (int i = 0; i < annotations.Length; i++)
{
p.SetStyle(Paint.Style.Stroke);
float[] rects = ScaleLocation(annotations[i].Rectangle, bmp.Width, bmp.Height);
Android.Graphics.Rect r = new Rect((int)rects[0], (int)rects[1], (int)rects[2],
(int)rects[3]);
c.DrawRect(r, p);
p.SetStyle(Paint.Style.Fill);
c.DrawText(annotations[i].Label, (int)rects[0], (int)rects[1], p);
}
}
}
using (MemoryStream ms = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Jpeg, 90, ms);
JpegData result = new JpegData();
result.Raw = ms.ToArray();
result.Width = bmp.Width;
result.Height = bmp.Height;
return(result);
}
}
}
}
public static void WriteToFile(Bitmap bitmap)
{
try
{
var outFile = new MemoryStream();
bitmap.Compress(Bitmap.CompressFormat.Png, 90, outFile);
outFile.Position = 0;
var path = Path.Combine("/sdcard/Download", "test.png");
var otherPath = Path.Combine(Application.Context.GetExternalFilesDir("unit_test_images").AbsolutePath, "test.png");
var fos = new FileStream(otherPath, FileMode.OpenOrCreate);
fos.Write(outFile.ToArray(), 0, (int)outFile.Length);
fos.Flush();
fos.Close();
}
catch (Exception)
{
Console.WriteLine("fout!");
}
}
protected override string RunInBackground(string[] str)
{
try
{
// Create a media file name
Java.IO.File file = new Java.IO.File(ImagePath);
try
{
var stream = new FileStream(file.Path, FileMode.Create);
if (ParentView != null)
{
if (SaveSettings.IsTransparencyEnabled())
{
Bitmap drawingCache = BitmapUtil.LoadBitmapFromView(ParentView);
drawingCache.Compress(Bitmap.CompressFormat.Png, 100, stream);
SavedResultBitmap = drawingCache;
}
else
{
return("");
}
}
stream.Flush();
stream.Close();
Console.WriteLine(Tag, "Filed Saved Successfully");
return("");
}
catch (FileNotFoundException ex)
{
Methods.DisplayReportResultTrack(ex);
//ex.PrintStackTrace();
Console.WriteLine(Tag, "Failed to save File");
return(ex.Message);
}
}
catch (Exception e)
{
Methods.DisplayReportResultTrack(e);
return(e.Message);
}
}
public async Task<bool> SaveImage(ImageSource img, string imageName)
{
try
{
var renderer = new StreamImagesourceHandler();
imagem = await renderer.LoadImageAsync(img, Forms.Context);
var documentsDirectory = Environment.GetFolderPath(Environment.SpecialFolder.Personal);
string pngPath = System.IO.Path.Combine(documentsDirectory, imageName + ".png");
using (System.IO.FileStream fs = new System.IO.FileStream(pngPath, System.IO.FileMode.OpenOrCreate))
{
imagem.Compress(Bitmap.CompressFormat.Png, 100, fs);
return await Task.FromResult<bool>(true);
}
}
catch (Exception)
{
return await Task.FromResult<bool>(false);
}
}
public async Task <byte[]> Capture()
{
await Task.Yield();
View rootView = CrossCurrentActivity.Current.Activity.Window.DecorView.RootView;
using (Bitmap screenshot = Android.Graphics.Bitmap.CreateBitmap(
rootView.Width,
rootView.Height,
Android.Graphics.Bitmap.Config.Argb8888))
{
Canvas canvas = new (screenshot);
rootView.Draw(canvas);
using (MemoryStream stream = new ())
{
screenshot.Compress(Android.Graphics.Bitmap.CompressFormat.Png, 90, stream);
return(stream.ToArray());
}
}
}
/// <summary>
/// Detect faces from a bitmap, and directly mark information on this bitmao
/// </summary>
/// <param name="originalBitmap"></param>
/// <returns></returns>
private static async Task<Bitmap> detectFacesAndMarkThem(Bitmap originalBitmap)
{
FaceServiceClient client = new FaceServiceClient(FaceAPIKey);
MemoryStream stream = new MemoryStream();
originalBitmap.Compress(Bitmap.CompressFormat.Jpeg, imageQuality, stream);
Face[] faces = await client.DetectAsync(stream.ToArray());
Bitmap resultBitmap = drawFaceRectanglesOnBitmap(originalBitmap, faces);
return resultBitmap;
}
void ExportBitmapAsJpg(Bitmap bitmap, string path)
{
var stream = new FileStream(path, System.IO.FileMode.Create);
bitmap.Compress(Bitmap.CompressFormat.Jpeg, 100, stream);
stream.Close();
}
protected override async void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
try
{
//Get the bitmap with the right rotation
_bitmap = BitmapHelpers.GetAndRotateBitmap(_file.Path);
//Resize the picture to be under 4MB (Emotion API limitation and better for Android memory)
_bitmap = Bitmap.CreateScaledBitmap(_bitmap, 2000, (int)(2000*_bitmap.Height/_bitmap.Width), false);
//Display the image
_imageView.SetImageBitmap(_bitmap);
using (System.IO.MemoryStream stream = new System.IO.MemoryStream())
{
//Get a stream
_bitmap.Compress(Bitmap.CompressFormat.Jpeg, 90, stream);
stream.Seek(0, System.IO.SeekOrigin.Begin);
//Get and display the happiness score
float result = await Core.GetAverageHappinessScore(stream);
_resultTextView.Text = Core.GetHappinessMessage(result);
}
}
catch (Exception ex)
{
_resultTextView.Text = ex.Message;
}
finally
{
_pictureButton.Text = "Reset";
_isCaptureMode = false;
}
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
try
{
if (resultCode == Result.Ok)
{
if (requestCode == 1)
{
try {
Android.Net.Uri selectImage = data.Data;
imageUrl1 = getRealPathFromURI(data.Data);
imageurlId1 = data.Data.LastPathSegment;
datetimedetalle = System.IO.File.GetLastAccessTimeUtc(imageUrl1);
string fechahora = datetimedetalle.Day.ToString() + datetimedetalle.Month.ToString() + datetimedetalle.Year.ToString().Substring(2, 2) + "-" + datetimedetalle.Hour.ToString() + datetimedetalle.Minute.ToString();
GC.Collect();
if (System.IO.File.Exists(imageUrl1))
{
Android.Graphics.Bitmap bitmap = Utils.ChangeSizeBitmap(BitmapFactory.DecodeFile(imageUrl1), 1600, 1200);
using (MemoryStream stream = new MemoryStream()) {
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 100, stream);
bitmapDetalle = stream.ToArray();
stream.Flush();
stream.Close();
}
bitmap.Dispose();
if (bitmapDetalle == null)
{
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
else
{
lblFotoDetalle.Text = ODTDet.Folio + " - Detalle - " + fechahora + ".jpg";
}
}
} catch (Exception exc) {
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
}
else if (requestCode == 2)
{
try {
Android.Net.Uri selectImage = data.Data;
imageUrl2 = getRealPathFromURI(data.Data);
imageurlId2 = data.Data.LastPathSegment;
datetimemediana = System.IO.File.GetLastAccessTimeUtc(imageUrl2);
string fechahora = datetimemediana.Day.ToString() + datetimemediana.Month.ToString() + datetimemediana.Year.ToString().Substring(2, 2) + "-" + datetimemediana.Hour.ToString() + datetimemediana.Minute.ToString();
GC.Collect();
if (System.IO.File.Exists(imageUrl2))
{
Android.Graphics.Bitmap bitmap = Utils.ChangeSizeBitmap(BitmapFactory.DecodeFile(imageUrl2), 1600, 1200);
using (MemoryStream stream = new MemoryStream()) {
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 100, stream);
bitmapMediana = stream.ToArray();
stream.Flush();
stream.Close();
}
bitmap.Dispose();
if (bitmapMediana == null)
{
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
else
{
lblFotoMediana.Text = ODTDet.Folio + " - Mediana - " + fechahora + ".jpg";
}
}
} catch (Exception exc) {
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
}
else if (requestCode == 3)
{
try {
Android.Net.Uri selectImage = data.Data;
imageUrl3 = getRealPathFromURI(data.Data);
imageurlId3 = data.Data.LastPathSegment;
datetimelarga = System.IO.File.GetLastAccessTimeUtc(imageUrl3);
string fechahora = datetimelarga.Day.ToString() + datetimelarga.Month.ToString() + datetimelarga.Year.ToString().Substring(2, 2) + "-" + datetimelarga.Hour.ToString() + datetimelarga.Minute.ToString();
GC.Collect();
if (System.IO.File.Exists(imageUrl3))
{
Android.Graphics.Bitmap bitmap = Utils.ChangeSizeBitmap(BitmapFactory.DecodeFile(imageUrl3), 1600, 1200);
using (MemoryStream stream = new MemoryStream()) {
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 100, stream);
bitmapLarga = stream.ToArray();
stream.Flush();
stream.Close();
}
bitmap.Dispose();
if (bitmapLarga == null)
{
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
else
{
lblFotoLarga.Text = ODTDet.Folio + " - Larga - " + fechahora + ".jpg";
}
}
} catch (Exception exc) {
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
}
else if (requestCode == 4) //extSdCard
{
try{
if (App._file.Exists())
{
if (Build.VERSION.SdkInt >= Android.OS.BuildVersionCodes.Kitkat)
{
Intent mediaScanIntent = new Intent(
Intent.ActionMediaScannerScanFile);
var contentUri = Android.Net.Uri.FromFile(App._file);
mediaScanIntent.SetData(contentUri);
this.SendBroadcast(mediaScanIntent);
}
else
{
//SendBroadcast(new Intent(Intent.ActionMediaMounted, MediaStore.Images.Thumbnails.ExternalContentUri));
SendBroadcast(new Intent(Intent.ActionMediaMounted, Android.Net.Uri.Parse("file://" + Android.OS.Environment.ExternalStorageDirectory)));
}
}
//GC.Collect ();
}catch (Exception ex) {
var toast = Toast.MakeText(ApplicationContext, ex.Message, ToastLength.Long);
toast.Show();
}
}
}
}catch (Exception ex) {
var toast = Toast.MakeText(ApplicationContext, ex.Message, ToastLength.Long);
toast.Show();
}
}
private void saveOutput(Bitmap croppedImage)
{
if (saveUri != null)
{
try
{
using (var outputStream = ContentResolver.OpenOutputStream(saveUri))
{
if (outputStream != null)
{
croppedImage.Compress(outputFormat, 75, outputStream);
}
}
}
catch (Exception ex)
{
Log.Error(this.GetType().Name, ex.Message);
}
Bundle extras = new Bundle();
SetResult(Result.Ok, new Intent(saveUri.ToString())
.PutExtras(extras));
}
else
{
Log.Error(this.GetType().Name, "not defined image url");
}
croppedImage.Recycle();
Finish();
}
/// <summary>
/// Writes the bitmap to cache.
/// </summary>
/// <param name="bitmap">Current bitmap.</param>
/// <param name="position">Position.</param>
private void WriteBitmapToCache(Bitmap bitmap, int position)
{
if (bitmap != null)
{
try
{
using (Stream outputStream = File.Create(this.GetCacheFileName(position)))
{
// tune it for better results
bitmap.Compress(Bitmap.CompressFormat.Png, 90, outputStream);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
public static byte[] ImageToByte2(Bitmap bitmap)
{
/*
Log.Debug ("ImageToByte", "Inicia Funcion Alternativa");
byte[] bitmapData;
//Java.IO.File tf = new Java.IO.File (bitmap);
return bitmapData;
Log.Debug ("ImageToByte", "Termina Funcion Alternativa");
*/
byte[] bitmapData;
using (var stream = new MemoryStream())
{
Log.Debug ("ImageToByte", "Inicia compressformat");
bitmap.Compress(Bitmap.CompressFormat.Jpeg, 70, stream);
Log.Debug ("ImageToByte", "Inicia stream to array");
bitmapData = stream.ToArray();
Log.Debug ("ImageToByte", "Inicia stream dispose");
stream.Dispose ();
Log.Debug ("ImageToByte", "Termina Método");
}
return bitmapData;
}
public static byte[] ImageToByte2(Bitmap bitmap)
{
byte[] bitmapData;
using (var stream = new MemoryStream())
{
Log.Debug ("ImageToByte", "Inicia compressformat");
bitmap.Compress(Bitmap.CompressFormat.Jpeg, 70, stream);
Log.Debug ("ImageToByte", "Inicia stream to array");
bitmapData = stream.ToArray();
Log.Debug ("ImageToByte", "Inicia stream dispose");
stream.Dispose ();
Log.Debug ("ImageToByte", "Termina Método");
}
return bitmapData;
}
public MultiboxDetectionPage()
: base()
{
var button = this.GetButton();
button.Text = "Perform People Detection";
button.Clicked += OnButtonClicked;
OnImagesLoaded += async(sender, image) =>
{
GetLabel().Text = "Please wait...";
SetImage();
Task <Tuple <byte[], long> > t = new Task <Tuple <byte[], long> >(
() =>
{
//MultiboxGrapho.Download();
MultiboxGraph graph = new MultiboxGraph();
Tensor imageTensor = Emgu.TF.Models.ImageIO.ReadTensorFromImageFile(image[0], 224, 224, 128.0f, 1.0f / 128.0f);
MultiboxGraph.Result detectResult = graph.Detect(imageTensor);
#if __ANDROID__
BitmapFactory.Options options = new BitmapFactory.Options();
options.InMutable = true;
Android.Graphics.Bitmap bmp = BitmapFactory.DecodeFile(image[0], options);
MultiboxGraph.DrawResults(bmp, detectResult, 0.2f);
using (MemoryStream ms = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Jpeg, 90, ms);
return(new Tuple <byte[], long>(ms.ToArray(), 0));
}
#elif __UNIFIED__ && !__IOS__
NSImage img = NSImage.ImageNamed(image[0]);
Xamarin.Forms.Device.BeginInvokeOnMainThread(() =>
{
MultiboxGraph.DrawResults(img, detectResult, 0.1f);
var imageData = img.AsTiff();
var imageRep = NSBitmapImageRep.ImageRepsWithData(imageData)[0] as NSBitmapImageRep;
var jpegData = imageRep.RepresentationUsingTypeProperties(NSBitmapImageFileType.Jpeg, null);
byte[] raw = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, raw, 0, (int)jpegData.Length);
SetImage(raw);
GetLabel().Text = String.Format("Detected with in {0} milliseconds.", 0);
});
return(new Tuple <byte[], long>(null, 0));
#elif __IOS__
UIImage uiimage = new UIImage(image[0]);
Xamarin.Forms.Device.BeginInvokeOnMainThread(() =>
{
UIImage newImg = MultiboxGraph.DrawResults(uiimage, detectResult, 0.1f);
var jpegData = newImg.AsJPEG();
byte[] raw = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, raw, 0, (int)jpegData.Length);
SetImage(raw);
GetLabel().Text = String.Format("Detected with in {0} milliseconds.", 0);
});
return(new Tuple <byte[], long>(null, 0));
#else
return(new Tuple <byte[], long>(new byte[10], 0));
#endif
});
t.Start();
#if !(__UNIFIED__)
var result = await t;
SetImage(t.Result.Item1);
GetLabel().Text = String.Format("Detected with in {0} milliseconds.", t.Result.Item2);
#endif
};
}
private static void ExportBitmapAsPNG(Bitmap bitmap)
{
var sdCardPath = Android.OS.Environment.ExternalStorageDirectory.AbsolutePath;
var filePath = System.IO.Path.Combine(sdCardPath, "test"+fileCounter.ToString()+".png");
var stream = new FileStream(filePath, FileMode.Create);
bitmap.Compress(Bitmap.CompressFormat.Png, 100, stream);
stream.Close();
fileCounter++;
}
/// <summary>
/// Saves the cropped image
/// </summary>
/// <param name="croppedImage">the cropped image</param>
/// <param name="saveUri"> the uri to save the cropped image to</param>
internal void SaveOutput(Bitmap croppedImage, Android.Net.Uri saveUri)
{
if (saveUri == null)
{
Log.Error(this.GetType().Name, "invalid image url");
return;
}
using (var outputStream = context.ContentResolver.OpenOutputStream(saveUri))
{
if (outputStream != null)
{
croppedImage.Compress(outputFormat, 75, outputStream);
}
}
croppedImage.Recycle();
}
// Called automatically whenever an activity finishes
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
SetContentView(Resource.Layout.PicManip);
bool reverted = true;
Button remred = FindViewById <Button>(Resource.Id.RemRed);
Button remgreen = FindViewById <Button>(Resource.Id.RemGreen);
Button remblue = FindViewById <Button>(Resource.Id.RemBlue);
Button negred = FindViewById <Button>(Resource.Id.NegRed);
Button neggreen = FindViewById <Button>(Resource.Id.NegGreen);
Button negblue = FindViewById <Button>(Resource.Id.NegBlue);
Button greyscale = FindViewById <Button>(Resource.Id.Greyscale);
Button high_cont = FindViewById <Button>(Resource.Id.HighContrast);
Button add_noise = FindViewById <Button>(Resource.Id.AddNoise);
Button revert = FindViewById <Button>(Resource.Id.Revert);
Button save = FindViewById <Button>(Resource.Id.Save);
//test to make sure the picture was found
if ((resultCode == Result.Ok) && (data != null))
{
//Make image available in the gallery
//Test to see if we came from the camera or gallery
//If we came from galley no need to make pic available
if (requestCode == 0)
{
Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
var contentUri = Android.Net.Uri.FromFile(_file);
mediaScanIntent.SetData(contentUri);
SendBroadcast(mediaScanIntent);
}
}
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume too much memory
// and cause the application to crash.
ImageView imageView = FindViewById <ImageView>(Resource.Id.takenPictureImageView);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
bitmap = Android.Graphics.Bitmap.CreateScaledBitmap(bitmap, 1024, 768, true);
//check to make sure the bitmap has data we can manipulate
if (bitmap != null)
{
copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
imageView.SetImageBitmap(copyBitmap);
}
else
{
//If bitmap is null takes the user back to the original screen
StartMainLayout();
}
//Removes the red in the picture by setting the red pixel to 0
remred.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = 0;
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Removes the green in the picture by setting the green pixel to 0
remgreen.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.G = 0;
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Removes the blue in the picture by setting the blue pixel to 0
remblue.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.B = 0;
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Negates the red in the picture by subtracting 255 from the current red pixels value
negred.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int r1 = c.R;
r1 = 255 - r1;
c.R = Convert.ToByte(r1);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Negates the green in the picture by subtracting 255 from the current green pixels value
neggreen.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int g1 = c.G;
g1 = 255 - g1;
c.G = Convert.ToByte(g1);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Negates the blue in the picture by subtracting 255 from the current blue pixels value
negblue.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int b1 = c.B;
b1 = 255 - b1;
c.B = Convert.ToByte(b1);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Converts the picture to greyscale by averaging all the pixels values
//Then setting the each pixel to the average
greyscale.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int average = 0;
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int r_temp = c.R;
int g_temp = c.G;
int b_temp = c.B;
average = (r_temp + g_temp + b_temp) / 3;
c.R = Convert.ToByte(average);
c.G = Convert.ToByte(average);
c.B = Convert.ToByte(average);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Converts the picture to high contrast
//If the pixel > 127.5, then set to 255, else set to 0
high_cont.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int check_num = 255 / 2;
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int r_temp = c.R;
int g_temp = c.G;
int b_temp = c.B;
if (r_temp > check_num)
{
r_temp = 255;
}
else
{
r_temp = 0;
}
if (g_temp > check_num)
{
g_temp = 255;
}
else
{
g_temp = 0;
}
if (b_temp > check_num)
{
b_temp = 255;
}
else
{
b_temp = 0;
}
c.R = Convert.ToByte(r_temp);
c.G = Convert.ToByte(g_temp);
c.B = Convert.ToByte(b_temp);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Adds random noise to the picture
//Get a random value from -10 - 10, and add it to the pixels value
//making sure the pixel value doesn't go over 255 or under 0.
add_noise.Click += delegate
{
Random rnd = new Random();
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int rand_val = rnd.Next(-10, 11);
int r_temp = c.R;
int g_temp = c.G;
int b_temp = c.B;
r_temp += rand_val;
g_temp += rand_val;
b_temp += rand_val;
if (r_temp > 255)
{
r_temp = 255;
}
else if (r_temp < 0)
{
r_temp = 0;
}
if (g_temp > 255)
{
g_temp = 255;
}
else if (g_temp < 0)
{
g_temp = 0;
}
if (b_temp > 255)
{
b_temp = 255;
}
else if (b_temp < 0)
{
b_temp = 0;
}
c.R = Convert.ToByte(r_temp);
c.G = Convert.ToByte(g_temp);
c.B = Convert.ToByte(b_temp);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
reverted = false;
};
//Button used to revert the image effects back to the orginal picture
revert.Click += delegate
{
if (bitmap != null && !reverted)
{
copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
imageView.SetImageBitmap(copyBitmap);
reverted = true;
}
else if (reverted)
{
Toast.MakeText(this, "The picture is the original.", ToastLength.Short).Show();
}
};
//Saves the image to the users gallery
save.Click += delegate
{
var sdCardPath = Android.OS.Environment.ExternalStorageDirectory.AbsolutePath;
var filePath = System.IO.Path.Combine(sdCardPath, "ImageManip_{0}.png");
var stream = new FileStream(filePath, FileMode.Create);
copyBitmap.Compress(Bitmap.CompressFormat.Png, 100, stream);
stream.Close();
Toast.MakeText(this, "The picture was saved to gallery.", ToastLength.Short).Show();
StartMainLayout();
};
// Dispose of the Java side bitmap.
System.GC.Collect();
}
private String HttpUploadFile(string url, Bitmap img, string paramName, string contentType, NameValueCollection nvc)
{
string boundary = "---------------------------" + DateTime.Now.Ticks.ToString("x");
byte[] boundarybytes = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "\r\n");
HttpWebRequest wr = (HttpWebRequest)WebRequest.Create(url);
wr.ContentType = "multipart/form-data; boundary=" + boundary;
wr.Method = "POST";
wr.KeepAlive = true;
wr.Credentials = CredentialCache.DefaultCredentials;
Stream rs = wr.GetRequestStream();
string formdataTemplate = "Content-Disposition: form-data; name=\"{0}\"\r\n\r\n{1}";
foreach (string key in nvc.Keys)
{
rs.Write(boundarybytes, 0, boundarybytes.Length);
string formitem = string.Format(formdataTemplate, key, nvc[key]);
byte[] formitembytes = System.Text.Encoding.UTF8.GetBytes(formitem);
rs.Write(formitembytes, 0, formitembytes.Length);
}
rs.Write(boundarybytes, 0, boundarybytes.Length);
string headerTemplate = "Content-Disposition: form-data; name=\"{0}\"; filename=\"{1}\"\r\nContent-Type: {2}\r\n\r\n";
string header = string.Format(headerTemplate, paramName, Guid.NewGuid() + ".png", contentType);
byte[] headerbytes = Encoding.UTF8.GetBytes(header);
rs.Write(headerbytes, 0, headerbytes.Length);
img.Compress (Bitmap.CompressFormat.Png, 100, rs);
byte[] trailer = System.Text.Encoding.ASCII.GetBytes("\r\n--" + boundary + "--\r\n");
rs.Write(trailer, 0, trailer.Length);
rs.Close();
WebResponse wresp = null;
try
{
wresp = wr.GetResponse();
Stream stream2 = wresp.GetResponseStream();
StreamReader reader2 = new StreamReader(stream2);
return reader2.ReadToEnd();
}
catch (Exception ex)
{
if (wresp != null)
{
wresp.Close();
wresp = null;
}
return null;
}
finally
{
wr = null;
}
}
public void downloadImage()
{
try
{
Uri uriBing = new Uri("http://cn.bing.com/HPImageArchive.aspx?idx=0&n=1");
WebRequest webRequest = WebRequest.Create(uriBing);
WebResponse webResponse = webRequest.GetResponse();
Stream stream = webResponse.GetResponseStream();
XmlDocument xmldoc = new XmlDocument();
xmldoc.Load(stream);
string picturePath = Application.Context.GetExternalFilesDir(Android.OS.Environment.DirectoryDownloads).AbsolutePath;
string wallpaperSavePath = Application.Context.GetExternalFilesDir(Android.OS.Environment.DirectoryDownloads).AbsolutePath;
//check folder
if (!Directory.Exists(wallpaperSavePath))
{
Directory.CreateDirectory(wallpaperSavePath);
}
else
{
//delete older files
try
{
var files = Directory.EnumerateFiles("/storage/emulated/0/Android/data/lk.stechbuzz.bingwallpaper/files/");
if (files.Count() > 60)
{
string[] f = Directory.GetFiles("/storage/emulated/0/Android/data/lk.stechbuzz.bingwallpaper/files/");
foreach (var item in f)
{
File.SetAttributes(item, FileAttributes.Normal);
File.Delete(item);
}
}
}
catch (Exception)
{
}
}
string fullStartDate = (xmldoc["images"]["image"]["fullstartdate"].InnerText);
string urlBase = xmldoc["images"]["image"]["urlBase"].InnerText;
string curImagePath = wallpaperSavePath + fullStartDate + ".jpg";
if (File.Exists(curImagePath))
{
}
else
{
string downloadUrl = "http://www.bing.com" + urlBase + "_1920x1080.jpg";
WebClient webClient = new WebClient();
try
{
webClient.DownloadFile(downloadUrl, @curImagePath);
WallpaperManager wallpaperManager = WallpaperManager.GetInstance(Application.Context);
if (Xamarin.Essentials.Preferences.Get("EnableAutoWallpaper", false))
{
Android.Graphics.Bitmap rowBitmap = BitmapFactory.DecodeFile(curImagePath);
Android.Graphics.Bitmap CroppedBitmap = Android.Graphics.Bitmap.CreateScaledBitmap(rowBitmap, wallpaperManager.DesiredMinimumWidth, wallpaperManager.DesiredMinimumWidth, true);
Android.Graphics.Bitmap decoded = null;
using (MemoryStream memory = new MemoryStream())
{
CroppedBitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Png, 100, memory);
memory.Position = 0;
decoded = Android.Graphics.BitmapFactory.DecodeStream(memory);
memory.Flush();
}
if (Xamarin.Essentials.Preferences.Get("Screen", 1) == 1)
{
wallpaperManager.SetBitmap(decoded, null, true, WallpaperManagerFlags.System);
}
else if (Xamarin.Essentials.Preferences.Get("Screen", 1) == 2)
{
wallpaperManager.SetBitmap(decoded, null, true, WallpaperManagerFlags.Lock);
}
else if (Xamarin.Essentials.Preferences.Get("Screen", 1) == 3)
{
wallpaperManager.SetBitmap(decoded, null, true, WallpaperManagerFlags.System);
wallpaperManager.SetBitmap(decoded, null, true, WallpaperManagerFlags.Lock);
}
else
{
wallpaperManager.SetBitmap(decoded, null, true, WallpaperManagerFlags.System);
}
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
}
catch (Exception)
{
return;
}
}
/// <summary>
/// Read the file and draw rectangles on it.
/// </summary>
/// <param name="fileName">The name of the file.</param>
/// <param name="annotations">Annotations to be add to the image. Can consist of rectangles and lables</param>
/// <returns>The image in Jpeg stream format</returns>
public static JpegData ImageFileToJpeg(String fileName, Annotation[] annotations = null)
{
#if __ANDROID__
BitmapFactory.Options options = new BitmapFactory.Options();
options.InMutable = true;
Android.Graphics.Bitmap bmp = BitmapFactory.DecodeFile(fileName, options);
Android.Graphics.Paint p = new Android.Graphics.Paint();
p.SetStyle(Paint.Style.Stroke);
p.AntiAlias = true;
p.Color = Android.Graphics.Color.Red;
Canvas c = new Canvas(bmp);
for (int i = 0; i < annotations.Length; i++)
{
float[] rects = ScaleLocation(annotations[i].Rectangle, bmp.Width, bmp.Height);
Android.Graphics.Rect r = new Rect((int)rects[0], (int)rects[1], (int)rects[2], (int)rects[3]);
c.DrawRect(r, p);
}
using (MemoryStream ms = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Jpeg, 90, ms);
JpegData result = new JpegData();
result.Raw = ms.ToArray();
result.Width = bmp.Width;
result.Height = bmp.Height;
return(result);
}
#elif __MACOS__
NSImage img = NSImage.ImageNamed(fileName);
if (annotations != null && annotations.Length > 0)
{
DrawAnnotations(img, annotations);
}
var imageData = img.AsTiff();
var imageRep = NSBitmapImageRep.ImageRepsWithData(imageData)[0] as NSBitmapImageRep;
var jpegData = imageRep.RepresentationUsingTypeProperties(NSBitmapImageFileType.Jpeg, null);
byte[] jpeg = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, jpeg, 0, (int)jpegData.Length);
JpegData result = new JpegData();
result.Raw = jpeg;
result.Width = (int)img.Size.Width;
result.Height = (int)img.Size.Height;
return(result);
#elif __IOS__
UIImage uiimage = new UIImage(fileName);
UIGraphics.BeginImageContextWithOptions(uiimage.Size, false, 0);
var context = UIGraphics.GetCurrentContext();
uiimage.Draw(new CGPoint());
context.SetStrokeColor(UIColor.Red.CGColor);
context.SetLineWidth(2);
for (int i = 0; i < annotations.Length; i++)
{
float[] rects = ScaleLocation(
annotations[i].Rectangle,
(int)uiimage.Size.Width,
(int)uiimage.Size.Height);
CGRect cgRect = new CGRect(
(nfloat)rects[0],
(nfloat)rects[1],
(nfloat)(rects[2] - rects[0]),
(nfloat)(rects[3] - rects[1]));
context.AddRect(cgRect);
context.DrawPath(CGPathDrawingMode.Stroke);
}
context.ScaleCTM(1, -1);
context.TranslateCTM(0, -uiimage.Size.Height);
for (int i = 0; i < annotations.Length; i++)
{
float[] rects = ScaleLocation(
annotations[i].Rectangle,
(int)uiimage.Size.Width,
(int)uiimage.Size.Height);
context.SelectFont("Helvetica", 18, CGTextEncoding.MacRoman);
context.SetFillColor((nfloat)1.0, (nfloat)0.0, (nfloat)0.0, (nfloat)1.0);
context.SetTextDrawingMode(CGTextDrawingMode.Fill);
context.ShowTextAtPoint(rects[0], uiimage.Size.Height - rects[1], annotations[i].Label);
}
UIImage imgWithRect = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
var jpegData = imgWithRect.AsJPEG();
byte[] jpeg = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, jpeg, 0, (int)jpegData.Length);
JpegData result = new JpegData();
result.Raw = jpeg;
result.Width = (int)uiimage.Size.Width;
result.Height = (int)uiimage.Size.Height;
return(result);
#else
Bitmap img = new Bitmap(fileName);
if (annotations != null)
{
using (Graphics g = Graphics.FromImage(img))
{
for (int i = 0; i < annotations.Length; i++)
{
if (annotations[i].Rectangle != null)
{
float[] rects = ScaleLocation(annotations[i].Rectangle, img.Width, img.Height);
PointF origin = new PointF(rects[0], rects[1]);
RectangleF rect = new RectangleF(origin, new SizeF(rects[2] - rects[0], rects[3] - rects[1]));
Pen redPen = new Pen(Color.Red, 3);
g.DrawRectangle(redPen, Rectangle.Round(rect));
String label = annotations[i].Label;
if (label != null)
{
g.DrawString(label, new Font(FontFamily.GenericSansSerif, 20f), Brushes.Red, origin);
}
}
}
g.Save();
}
}
using (MemoryStream ms = new MemoryStream())
{
img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
JpegData result = new JpegData();
result.Raw = ms.ToArray();
result.Width = img.Size.Width;
result.Height = img.Size.Height;
return(result);
}
#endif
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (resultCode == Result.Ok)
{
if (requestCode == 2)
{
try
{
Android.Net.Uri selectImage = data.Data;
bitmapDetalle = null;
imageurl = getRealPathFromURI(data.Data);
imageurlId = data.Data.LastPathSegment;
datetime = System.IO.File.GetLastAccessTimeUtc(imageurl);
string fechahora = datetime.Day.ToString() + datetime.Month.ToString() + datetime.Year.ToString().Substring(2, 2) + "-" + datetime.Hour.ToString() + datetime.Minute.ToString();
GC.Collect();
if (File.Exists(imageurl))
{
Android.Graphics.Bitmap bitmap = Utils.ChangeSizeBitmap(BitmapFactory.DecodeFile(imageurl), 1600, 1200);
using (MemoryStream stream = new MemoryStream())
{
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 100, stream);
bitmapDetalle = stream.ToArray();
stream.Flush();
stream.Close();
}
bitmap.Dispose();
if (bitmapDetalle == null)
{
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
else
{
lblInfoFoto.Text = ODTDet.Folio + " - Evidencia - " + fechahora + ".jpg";
}
}
}
catch (Exception exc)
{
Toast.MakeText(ApplicationContext, "No se cargó la fotografía correctamente, favor de seleccionarla de nuevo", ToastLength.Long).Show();
return;
}
}
else if (requestCode == 4)
{
if (App._file.Exists())
{
Intent mediaScannerIntent = new Intent(Intent.ActionMediaScannerScanFile);
Android.Net.Uri contentUri = Android.Net.Uri.FromFile(App._file);
mediaScannerIntent.SetData(contentUri);
this.SendBroadcast(mediaScannerIntent);
GC.Collect();
}
}
}
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
RelativeLayout view = (RelativeLayout)inflater.Inflate(Resource.Layout.PostActivity, container, false);
view.Click += (sender, e) =>
{
ViewUtils.HideKeyboard(Activity, CaptionTextView);
TabHostActivity.GetTabHost().ShowTabs();
};
Suggestions = view.FindViewById<SuggestionsLayout>(Resource.Id.suggestionsLayout);
Suggestions.InitView();
Suggestions.UserSelected += (User obj) =>
{
CaptionTextView.AddUsername(obj.username);
};
CharacterCountTextView = view.FindViewById<TextView>(Resource.Id.characterCount);
CaptionTextView = view.FindViewById<CharacterLimitedSuggestionEditText>(Resource.Id.caption);
CaptionTextView.BindDataToView(CharacterCountTextView, DealWithPostButton, Activity, Suggestions);
PostButton = view.FindViewById<ImageButton>(Resource.Id.postbutton);
PostButton.Click += async (object sender, EventArgs e) =>
{
string postText = StringUtils.TrimWhiteSpaceAndNewLine(CaptionTextView.Text);
if (SelectedImage != null || (!String.IsNullOrEmpty(postText) && CaptionTextView.Text != Strings.add_a_caption_placeholder))
{
ProgressDialog progress = new ProgressDialog(Context);
progress.Indeterminate = true;
progress.SetProgressStyle(ProgressDialogStyle.Spinner);
progress.SetMessage(Strings.posting);
progress.SetCancelable(false);
progress.Show();
try
{
Byte[] myByteArray = null;
if (SelectedImage != null)
{
MemoryStream stream = new MemoryStream();
SelectedImage = ImageUtils.ReduceSizeIfNeededByWidth(SelectedImage, 1000);
SelectedImage.Compress(Bitmap.CompressFormat.Jpeg, 80, stream);
myByteArray = stream.ToArray();
}
Post result = await TenServices.Post(postText, myByteArray);
progress.Dismiss();
if (result != null)
{
FeedUtils.PassPostToAllFeedsIfExistsWithInclude(result, FeedTypeEnum.FeedType.HomeFeed);
TabHostActivity.GetTabHost().tabHost.CurrentTab = 0;
ViewUtils.HideKeyboard(TabHostActivity.GetTabHost(), CaptionTextView);
ResetPage();
ResetPostImageConstraints();
TabHostActivity.GetTabHost().StartTickNotification();
}
}
catch (RESTError error)
{
progress.Dismiss();
Console.WriteLine(error.Message);
}
}
};
DeleteButton = view.FindViewById<ImageButton>(Resource.Id.delete);
DeleteButton.BringToFront();
DeleteButton.Click += (sender, e) =>
{
ResetPage();
};
ImageImageView = view.FindViewById<ImageView>(Resource.Id.image);
LibraryButton = view.FindViewById<ImageButton>(Resource.Id.library);
LibraryButton.Click += (sender, e) =>
{
Intent intent = new Intent();
intent.SetType("image/*");
intent.PutExtra(Intent.ExtraAllowMultiple, true);
intent.SetAction(Intent.ActionGetContent);
StartActivityForResult(Intent.CreateChooser(intent, "Select Picture"), 1);
};
CameraButton = view.FindViewById<ImageButton>(Resource.Id.camera);
CameraButton.Click += (sender, e) =>
{
Android.Content.PM.PackageManager pm = Activity.PackageManager;
if (pm.HasSystemFeature(Android.Content.PM.PackageManager.FeatureCamera))
{
TabHostActivity.GetTabHost().StopTickNotification();
Intent intent = new Intent(Activity, typeof(CameraActivity));
StartActivityForResult(intent, 2);
}
else {
Android.Support.V7.App.AlertDialog.Builder alert = new Android.Support.V7.App.AlertDialog.Builder(Context);
alert.SetTitle(Strings.error);
alert.SetMessage("No Camera Found");
alert.SetPositiveButton(Strings.ok, (senderAlert, args) => {});
alert.Show();
}
};
UsernameTextView = view.FindViewById<TextView>(Resource.Id.username);
UserImageWebImage = view.FindViewById<WebImage>(Resource.Id.userimage);
return view;
}
void ExportBitmapAsPNG(Bitmap bitmap)
{
Random rnd = new Random();
int RandAssign = rnd.Next(1, 1000000);
var filePath = System.IO.Path.Combine("/storage/emulated/0/Pictures", "Drawing"+RandAssign+".png");
var stream = new FileStream (filePath, FileMode.Create);
bitmap.Compress(Bitmap.CompressFormat.Png, 100, stream);
stream.Close();
Console.WriteLine ("Saved");
}
public ImageData (Bitmap image, string filename)
{
if (image == null) {
throw new ArgumentNullException ("image");
}
if (string.IsNullOrEmpty (filename)) {
throw new ArgumentException ("filename");
}
Image = image;
Filename = filename;
var compressFormat = Bitmap.CompressFormat.Jpeg;
MimeType = "image/jpeg";
if (filename.ToLowerInvariant ().EndsWith (".png")) {
MimeType = "image/png";
compressFormat = Bitmap.CompressFormat.Png;
}
var stream = new MemoryStream ();
image.Compress (compressFormat, 100, stream);
stream.Position = 0;
Data = stream;
}
private void CallCloudVision(Android.Graphics.Bitmap bitmap)
{
_imageDescription.SetText(Resource.String.loading_message);
System.Environment.SetEnvironmentVariable("GOOGLE_APPLICATION_CREDENTIALS", @"C:\CatGo-46215182ea6e.json");
try
{
GoogleCredential credential = GoogleCredential.GetApplicationDefaultAsync().Result;
if (credential.IsCreateScopedRequired)
{
credential = credential.CreateScoped(new[]
{
VisionService.Scope.CloudPlatform
});
}
var vision = new VisionService(new BaseClientService.Initializer
{
HttpClientInitializer = credential,
GZipEnabled = false
});
var byteArrayOutputStream = new System.IO.MemoryStream();
bitmap.Compress(Bitmap.CompressFormat.Png, 100, byteArrayOutputStream);
var byteArray = byteArrayOutputStream.ToArray();
var imageData = Convert.ToBase64String(byteArray);
var responses = vision.Images.Annotate(
new BatchAnnotateImagesRequest()
{
Requests = new[] {
new AnnotateImageRequest()
{
Features = new [] { new Feature()
{
Type =
"LABEL_DETECTION"
} },
Image = new Image()
{
Content = imageData
}
}
}
}).Execute();
var result = responses.Responses;
foreach (var test in result)
{
foreach (var label in test.LabelAnnotations)
{
_description += $"{label.Description} ({label.Score}) .";
}
}
}
catch (System.Exception e)
{
var test = e.InnerException;
//needs restart
var test2 = System.Environment.GetEnvironmentVariables(EnvironmentVariableTarget.Process);
}
_imageDescription.Text = _description;
}
private static byte[] ToByteArray (Bitmap bitmap)
{
using (MemoryStream stream = new MemoryStream ()) {
bitmap.Compress (Bitmap.CompressFormat.Png, 100, stream);
byte[] byteArray = new byte[stream.Length];
stream.Read (byteArray, 0, byteArray.Length);
return byteArray;
}
}
private string SavePhoto(Bitmap bitmap)
{
string filename = StorageService.GenerateFilename(StorageType.Image, "png");
try
{
using (System.IO.Stream stream = System.IO.File.OpenWrite(filename))
{
bitmap.Compress(Bitmap.CompressFormat.Png, 0, stream);
}
}
catch (Exception)
{
//TODO : log error
return null;
}
return filename;
}
public override void OnActivityResult(int requestCode, int resultCode, Intent data)
{
// if the result is capturing Image
if ((requestCode == GALLERY_REQUEST_CODE1))
{
try
{
Android.Net.Uri selectedImage = data.Data;
string[] filePathColumn = { MediaStore.Images.Media.InterfaceConsts.Data };
// Get the cursor
ICursor cursor = this.Activity.ContentResolver.Query(selectedImage, filePathColumn, null, null, null);
// Move to first row
cursor.MoveToFirst();
int columnIndex = cursor.GetColumnIndex(filePathColumn[0]);
string imgDecodableString = cursor.GetString(columnIndex);
cursor.Close();
//filePath = imgDecodableString;
Android.Graphics.Bitmap b = BitmapFactory.DecodeFile(imgDecodableString);
Android.Graphics.Bitmap outputb = Android.Graphics.Bitmap.CreateScaledBitmap(b, 1200, 1024, false);
//getting image from gallery
bitmap = MediaStore.Images.Media.GetBitmap(this.Activity.ContentResolver, selectedImage);
Java.IO.File file = new Java.IO.File(imgDecodableString);
filePath = file.AbsolutePath;
FileStream fOut;
try
{
fOut = new FileStream(filePath, FileMode.Create);
outputb.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 80, fOut);
fOut.Flush();
fOut.Close();
//b.recycle();
//out.recycle();
}
catch (Java.Lang.Exception e)
{
e.PrintStackTrace();
}
if (requestCode == GALLERY_REQUEST_CODE1)
{
// Set the Image in ImageView after decoding the String
iv_profile.SetImageBitmap(bitmap);
}
}
catch (NullPointerException e)
{
e.PrintStackTrace();
}
catch (Java.Lang.Exception e)
{
e.PrintStackTrace();
}
}
}
private void ExtractMediaPickedFromGallery(Intent data)
{
try {
Android.Net.Uri selectedUri = data.Data;
String[] columns = { MediaStore.Images.Media.InterfaceConsts.Data,
MediaStore.Images.Media.InterfaceConsts.MimeType };
ICursor cursor = ContentResolver.Query(selectedUri, columns, null, null, null);
cursor.MoveToFirst();
int pathColumnIndex = cursor.GetColumnIndex(columns[0]);
int mimeTypeColumnIndex = cursor.GetColumnIndex(columns[1]);
string mimeType = cursor.GetString(mimeTypeColumnIndex);
cursor.Close();
PickedMediaFromGallery result = null;
if (mimeType.StartsWith("image"))
{
Android.Graphics.Bitmap bitmap = MediaUtils.GetScaledBitmap(
data.Data,
MediaUtils.IMAGE_WIDTH_RESTRICTION,
MediaUtils.IMAGE_HEIGHT_RESTRICTION,
this);
if (bitmap == null)
{
bitmap = MediaStore.Images.Media.GetBitmap(ContentResolver, data.Data);
}
byte[] bytes;
using (MemoryStream memoryStream = new MemoryStream()) {
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 100, memoryStream);
bytes = memoryStream.GetBuffer();
}
result = new PickedMediaFromGallery()
{
DataBase64 = Android.Util.Base64.EncodeToString(bytes, Android.Util.Base64Flags.Default),
Completion = true,
DataThumbnailBase64 = Android.Util.Base64.EncodeToString(bytes, Android.Util.Base64Flags.Default),
MimeType = ProfileMediaService.IMAGE_MEDIA_TYPE
};
}
else if (mimeType.StartsWith("video"))
{
string filePath = MediaUtils.GetFileFullPathAlternativeVideo(data.Data, this);
Java.IO.File videoFile = new Java.IO.File(filePath);
Java.IO.FileInputStream videoFileInputStream = new Java.IO.FileInputStream(videoFile);
byte[] videoFileBytes = new byte[videoFile.Length()];
videoFileInputStream.Read(videoFileBytes);
videoFileInputStream.Close();
videoFileInputStream.Dispose();
System.IO.Stream thumbnailStream = DependencyService.Get <IPickMediaDependencyService>().GetThumbnail(filePath);
byte[] thumbnailBytes;
thumbnailStream.Position = 0;
using (System.IO.BinaryReader reader = new System.IO.BinaryReader(thumbnailStream)) {
thumbnailBytes = reader.ReadBytes((int)thumbnailStream.Length);
}
result = new PickedMediaFromGallery()
{
Completion = true,
DataBase64 = Android.Util.Base64.EncodeToString(videoFileBytes, Android.Util.Base64Flags.Default),
DataThumbnailBase64 = Convert.ToBase64String(thumbnailBytes),
FilePath = filePath,
MimeType = ProfileMediaService.VIDEO_MEDIA_TYPE
};
}
else
{
Debugger.Break();
throw new InvalidOperationException();
}
PickMediaTaskCompletion.SetResult(result);
}
catch (Exception exc) {
Debugger.Break();
PickMediaTaskCompletion.SetResult(new PickedMediaFromGallery()
{
Exception = exc, ErrorMessage = _EXTRACTION_MEDIA_MEDIA_PICK_ERROR
});
}
}
private void SalvaPedidoPDF()
{
try
{
//O PDF sempre será salvo no sdcard
string caminho = "mnt/sdcard/Download/invoice.pdf";
System.IO.FileStream fs = new System.IO.FileStream(caminho, System.IO.FileMode.Create);
//Create an instance of the document class which represents the PDF document itself.
Document document = new Document(PageSize.A4, 25, 25, 30, 30);
//Create an instance to the PDF file by creating an instance of the PDF Writer class, using the document and the filestrem in the constructor.
PdfWriter writer = PdfWriter.GetInstance(document, fs);
//Open the document to enable you to write to the document
document.Open();
//Adiciona título
Paragraph pgTitulo = new Paragraph();
pgTitulo.Add("Pedido");
pgTitulo.Alignment = Element.ALIGN_CENTER;
BaseFont bfTitulo = BaseFont.CreateFont(BaseFont.HELVETICA, BaseFont.CP1252, false);
pgTitulo.Font = new Font(bfTitulo, Font.BOLD);
document.Add(pgTitulo);
// Add a simple and well known phrase to the document in a flow layout manner
Paragraph pgPedido = new Paragraph("Pedido: " + FindViewById <TextView>(Resource.Id.txtNumOrdem).Text);
pgPedido.Add(" ");
pgPedido.Add("Data: " + FindViewById <TextView>(Resource.Id.txtData).Text);
pgPedido.Add(" ");
pgPedido.Add("Hora: " + FindViewById <TextView>(Resource.Id.txtHora).Text);
pgPedido.Alignment = Element.ALIGN_LEFT;
pgPedido.SpacingBefore = 20;
document.Add(pgPedido);
Paragraph pgNome = new Paragraph("Cliente: " + FindViewById <TextView>(Resource.Id.txtNome).Text);
pgNome.Alignment = Element.ALIGN_LEFT;
document.Add(pgNome);
Paragraph pgObservacao = new Paragraph("Observação Geral: " + FindViewById <TextView>(Resource.Id.txtObsGeral).Text);
pgObservacao.Alignment = Element.ALIGN_LEFT;
document.Add(pgObservacao);
PdfPTable myTable = new PdfPTable(3);
myTable.WidthPercentage = 100;
myTable.HorizontalAlignment = 0;
myTable.SpacingBefore = 20;
myTable.SpacingAfter = 10;
float[] sglTblHdWidths = new float[3];
sglTblHdWidths[0] = 300f;
sglTblHdWidths[1] = 60f;
sglTblHdWidths[2] = 70f;
myTable.SetWidths(sglTblHdWidths);
PdfPCell CellOneHdr = new PdfPCell(new Phrase("Produto"));
CellOneHdr.HorizontalAlignment = Element.ALIGN_CENTER;
myTable.AddCell(CellOneHdr);
PdfPCell CellTwoHdr = new PdfPCell(new Phrase("Qtde"));
CellTwoHdr.HorizontalAlignment = Element.ALIGN_CENTER;
myTable.AddCell(CellTwoHdr);
PdfPCell CellFourHdr = new PdfPCell(new Phrase("Preço"));
CellFourHdr.HorizontalAlignment = Element.ALIGN_CENTER;
myTable.AddCell(CellFourHdr);
foreach (Produto produto in ListaImprimir)
{
PdfPCell CellOne = new PdfPCell(new Phrase(produto.DESCR_MAT_CADMAT));
CellOne.HorizontalAlignment = Element.ALIGN_LEFT;
myTable.AddCell(CellOne);
PdfPCell CellTwo = new PdfPCell(new Phrase(produto.QTD_CADMAT.ToString()));
CellTwo.HorizontalAlignment = Element.ALIGN_CENTER;
myTable.AddCell(CellTwo);
PdfPCell CellFour = new PdfPCell(new Phrase(Convert.ToDouble(produto.PRECO_UNIT).ToString("N2")));
CellFour.HorizontalAlignment = Element.ALIGN_RIGHT;
myTable.AddCell(CellFour);
}
document.Add(myTable);
Paragraph pgTotal = new Paragraph("Total do Pedido: " + FindViewById <TextView>(Resource.Id.txtTotal).Text);
pgTotal.Alignment = Element.ALIGN_RIGHT;
pgTotal.SpacingAfter = 30;
document.Add(pgTotal);
// Converte a assinatura para byte, e depois para iTextImage
SignaturePadView signature = FindViewById <SignaturePadView>(Resource.Id.signatureView);
Android.Graphics.Bitmap imagen = signature.GetImage(Android.Graphics.Color.Black, Android.Graphics.Color.White);
MemoryStream fstream = new MemoryStream();
imagen.Compress(Bitmap.CompressFormat.Jpeg, 100, fstream);
byte[] result = fstream.ToArray();
fstream.Flush();
//Adiciona assinatura ao documento
Image imgAssinatura = Image.GetInstance(result);
imgAssinatura.ScaleAbsolute(300f, 30f);
imgAssinatura.Alignment = Element.ALIGN_CENTER;
imgAssinatura.SpacingBefore = 20;
document.Add(imgAssinatura);
Paragraph pgAssinatura = new Paragraph();
pgAssinatura.Add("Cliente: Sara A. H.");
pgAssinatura.Alignment = Element.ALIGN_CENTER;
document.Add(pgAssinatura);
//Adiciona Copyright
Paragraph pgFooter = new Paragraph();
pgFooter.Add("Sara Honorato © 2016 All rights reserved ");
pgFooter.Alignment = Element.ALIGN_RIGHT;
pgFooter.SpacingBefore = 20;
pgFooter.SpacingAfter = 20;
document.Add(pgFooter);
// Close the document
document.Close();
// Close the writer instance
writer.Close();
// Always close open file handles explicitly
fs.Close();
// Abre o pdf salvo
OpenPdf(caminho);
}
catch (System.Exception ex)
{
Toast toast = Toast.MakeText(this, "Erro: " + ex.Message, ToastLength.Long);
toast.SetGravity(GravityFlags.CenterVertical | GravityFlags.CenterHorizontal, 0, 0);
toast.Show();
}
}
public void OnSnapshotReady(Bitmap snapshot)
{
string file = "/mnt/sdcard/test.png";// Java.IO.File file = new Java.IO.File("/mnt/sdcard/test.png");
FileStream outX; //FileOutputStream outX;
try
{
outX = new System.IO.FileStream(file, FileMode.Create); // outX = new FileOutputStream(file);
if (snapshot.Compress(
Bitmap.CompressFormat.Png, 100, outX))
{
outX.Flush();
outX.Close();
}
Toast.MakeText(iOnClickListenerImpl.mapControlDemo,
"��Ļ��ͼ�ɹ���ͼƬ����: " + file.ToString(),
ToastLength.Short).Show();
}
catch (FileNotFoundException e)
{
throw e;
}
catch (IOException e)
{
throw e;
}
}
private string BitmapToBase64String(Bitmap bmp)
{
using (MemoryStream stream = new MemoryStream())
{
if (bmp.Compress(Bitmap.CompressFormat.Png, 100, stream))
{
byte[] image = stream.ToArray();
return Convert.ToBase64String(image);
}
return null;
}
}
private void apiwork(Android.Graphics.Bitmap bitmap)
{
string bitmapString = "";
using (var stream = new System.IO.MemoryStream())
{
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Jpeg, 100, stream);
var bytes = stream.ToArray();
bitmapString = System.Convert.ToBase64String(bytes);
}
//credential is stored in "assets" folder
string credPath = "google_api.json";
Google.Apis.Auth.OAuth2.GoogleCredential cred;
//Load credentials into object form
using (var stream = Assets.Open(credPath))
{
cred = Google.Apis.Auth.OAuth2.GoogleCredential.FromStream(stream);
}
cred = cred.CreateScoped(Google.Apis.Vision.v1.VisionService.Scope.CloudPlatform);
// By default, the library client will authenticate
// using the service account file (created in the Google Developers
// Console) specified by the GOOGLE_APPLICATION_CREDENTIALS
// environment variable. We are specifying our own credentials via json file.
var client = new Google.Apis.Vision.v1.VisionService(new Google.Apis.Services.BaseClientService.Initializer()
{
ApplicationName = "subtle-isotope-190917",
HttpClientInitializer = cred
});
//set up request
var request = new Google.Apis.Vision.v1.Data.AnnotateImageRequest();
request.Image = new Google.Apis.Vision.v1.Data.Image();
request.Image.Content = bitmapString;
//tell google that we want to perform label detection
request.Features = new List <Google.Apis.Vision.v1.Data.Feature>();
request.Features.Add(new Google.Apis.Vision.v1.Data.Feature()
{
Type = "LABEL_DETECTION"
});
var batch = new Google.Apis.Vision.v1.Data.BatchAnnotateImagesRequest();
batch.Requests = new List <Google.Apis.Vision.v1.Data.AnnotateImageRequest>();
batch.Requests.Add(request);
//send request. Note that I'm calling execute() here, but you might want to use
//ExecuteAsync instead
var apiResult = client.Images.Annotate(batch).Execute();
if (bitmap != null)
{
_imageView.SetImageBitmap(bitmap);
_imageView.Visibility = Android.Views.ViewStates.Visible;
bitmap = null;
}
foreach (var item in apiResult.Responses[0].LabelAnnotations)
{
words.Add(item.Description);
}
System.GC.Collect();
}
/// <summary>
/// Read the file and draw rectangles on it.
/// </summary>
/// <param name="fileName">The name of the file.</param>
/// <param name="annotations">Annotations to be add to the image. Can consist of rectangles and lables</param>
/// <returns>The image in Jpeg stream format</returns>
public static byte[] ImageFileToJpeg(String fileName, Annotation[] annotations = null)
{
#if __ANDROID__
BitmapFactory.Options options = new BitmapFactory.Options();
options.InMutable = true;
Android.Graphics.Bitmap bmp = BitmapFactory.DecodeFile(fileName, options);
Android.Graphics.Paint p = new Android.Graphics.Paint();
p.SetStyle(Paint.Style.Stroke);
p.AntiAlias = true;
p.Color = Android.Graphics.Color.Red;
Canvas c = new Canvas(bmp);
for (int i = 0; i < annotations.Length; i++)
{
float[] rects = ScaleLocation(annotations[i].Rectangle, bmp.Width, bmp.Height);
Android.Graphics.Rect r = new Rect((int)rects[0], (int)rects[1], (int)rects[2], (int)rects[3]);
c.DrawRect(r, p);
}
using (MemoryStream ms = new MemoryStream())
{
bmp.Compress(Bitmap.CompressFormat.Jpeg, 90, ms);
return(ms.ToArray());
}
#elif __MACOS__
NSImage img = NSImage.ImageNamed(fileName);
DrawAnnotations(img, annotations);
/*
* img.LockFocus();
*
* NSColor redColor = NSColor.Red;
* redColor.Set();
* var context = NSGraphicsContext.CurrentContext;
* var cgcontext = context.CGContext;
* cgcontext.ScaleCTM(1, -1);
* cgcontext.TranslateCTM(0, -img.Size.Height);
* //context.IsFlipped = !context.IsFlipped;
* for (int i = 0; i < annotations.Length; i++)
* {
* float[] rects = ScaleLocation(annotations[i].Rectangle, (int)img.Size.Width, (int) img.Size.Height);
* CGRect cgRect = new CGRect(
* rects[0],
* rects[1],
* rects[2] - rects[0],
* rects[3] - rects[1]);
* NSBezierPath.StrokeRect(cgRect);
* }
* img.UnlockFocus();
*/
var imageData = img.AsTiff();
var imageRep = NSBitmapImageRep.ImageRepsWithData(imageData)[0] as NSBitmapImageRep;
var jpegData = imageRep.RepresentationUsingTypeProperties(NSBitmapImageFileType.Jpeg, null);
byte[] jpeg = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, jpeg, 0, (int)jpegData.Length);
return(jpeg);
#elif __IOS__
UIImage uiimage = new UIImage(fileName);
UIGraphics.BeginImageContextWithOptions(uiimage.Size, false, 0);
var context = UIGraphics.GetCurrentContext();
uiimage.Draw(new CGPoint());
context.SetStrokeColor(UIColor.Red.CGColor);
context.SetLineWidth(2);
for (int i = 0; i < annotations.Length; i++)
{
float[] rects = ScaleLocation(
annotations[i].Rectangle,
(int)uiimage.Size.Width,
(int)uiimage.Size.Height);
CGRect cgRect = new CGRect(
(nfloat)rects[0],
(nfloat)rects[1],
(nfloat)(rects[2] - rects[0]),
(nfloat)(rects[3] - rects[1]));
context.AddRect(cgRect);
context.DrawPath(CGPathDrawingMode.Stroke);
}
UIImage imgWithRect = UIGraphics.GetImageFromCurrentImageContext();
UIGraphics.EndImageContext();
var jpegData = imgWithRect.AsJPEG();
byte[] jpeg = new byte[jpegData.Length];
System.Runtime.InteropServices.Marshal.Copy(jpegData.Bytes, jpeg, 0, (int)jpegData.Length);
return(jpeg);
#else
if (Emgu.TF.Util.Platform.OperationSystem == OS.Windows)
{
Bitmap img = new Bitmap(fileName);
if (annotations != null)
{
using (Graphics g = Graphics.FromImage(img))
{
for (int i = 0; i < annotations.Length; i++)
{
if (annotations[i].Rectangle != null)
{
float[] rects = ScaleLocation(annotations[i].Rectangle, img.Width, img.Height);
PointF origin = new PointF(rects[0], rects[1]);
RectangleF rect = new RectangleF(rects[0], rects[1], rects[2] - rects[0], rects[3] - rects[1]);
Pen redPen = new Pen(Color.Red, 3);
g.DrawRectangle(redPen, Rectangle.Round(rect));
String label = annotations[i].Label;
if (label != null)
{
g.DrawString(label, new Font(FontFamily.GenericSansSerif, 20f), Brushes.Red, origin);
}
}
}
g.Save();
}
}
using (MemoryStream ms = new MemoryStream())
{
img.Save(ms, System.Drawing.Imaging.ImageFormat.Jpeg);
return(ms.ToArray());
}
}
else
{
throw new Exception("DrawResultsToJpeg Not implemented for this platform");
}
#endif
}
/// <summary>
/// Accepts an image and returns the name that corresponds to the best match
/// </summary>
/// <param name="theBitmap"></param>
/// <returns></returns>
private async Task<string> RecognizeImage( Bitmap theBitmap )
{
// Initialize the return string
string theName = "NotRecognized";
// Clear the current results
MatchTextView.Text = "";
MatchImageView.SetImageDrawable( null );
// Encode the camera image
byte[] bitmapData;
using (var stream = new MemoryStream())
{
theBitmap.Compress( Bitmap.CompressFormat.Jpeg, 50, stream );
bitmapData = stream.ToArray();
}
string encodedBitmap = Convert.ToBase64String( bitmapData );
// Define the gallery name
string GalleryName = "TestCelebs";
// Create JSON request
JsonObject jsonParams = new JsonObject();
jsonParams.Add( "image", encodedBitmap );
jsonParams.Add( "gallery_name", GalleryName );
jsonParams.Add( "threshold", MatchThreshold );
// Create an HTTP web request
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create( new Uri( this.ApiUrlRecognize ) );
request.ContentType = "application/json";
request.Method = "POST";
request.Headers.Add( "app_id", AppId );
request.Headers.Add( "app_key", AppKey );
StreamWriter streamWriter = new StreamWriter( request.GetRequestStream() );
streamWriter.Write( jsonParams.ToString() );
streamWriter.Flush();
streamWriter.Close();
// Submit the web request and await the response
JsonValue json = await AsyncWebActionJson( request );
try
{
// Parse the results
JsonValue imagesResult = json["images"];
JsonValue attributesResult = imagesResult[0]; // This has to be accessed by the index instead of the name, not sure why
JsonValue transactionResult = attributesResult["transaction"];
JsonValue statusResult = transactionResult["status"];
// Check for a successful match
if (statusResult.ToString().Contains( "success" ))
{
JsonValue subjectResult = transactionResult["subject"];
JsonValue confidenceResult = transactionResult["confidence"];
// Get the name as a string
//theName = subjectResult + " " + confidenceResult.ToString().Substring( 3, 2 ) + "%";
theName = subjectResult;
}
else
{
theName = "No Match";
}
}
catch( Exception ex ) { }
// Return the name
return theName;
}
/// <exception cref="Couchbase.Lite.CouchbaseLiteException"></exception>
public static void AttachImage(Couchbase.Lite.Document task, Bitmap image)
{
if (task == null || image == null)
{
return;
}
UnsavedRevision revision = task.CreateRevision();
ByteArrayOutputStream @out = new ByteArrayOutputStream();
image.Compress(Bitmap.CompressFormat.Jpeg, 50, @out);
ByteArrayInputStream @in = new ByteArrayInputStream(@out.ToByteArray());
revision.SetAttachment("image", "image/jpg", @in);
revision.Save();
}
