/// <summary>
/// Creates a WPF bitmap source from an GDI image.
/// </summary>
public static BitmapSource CreateBitmapSource(Image image)
{
MemoryStream stream = new MemoryStream();
//int width = image.Width;
//int height = image.Height;
//double dpiX = image.HorizontalResolution;
//double dpiY = image.VerticalResolution;
//System.Windows.Media.PixelFormat pixelformat = PixelFormats.Default;
BitmapSource bitmapSource = null;
try
{
string guid = image.RawFormat.Guid.ToString("B").ToUpper();
switch (guid)
{
case "{B96B3CAA-0728-11D3-9D7B-0000F81EF32E}": // memoryBMP
case "{B96B3CAB-0728-11D3-9D7B-0000F81EF32E}": // bmp
image.Save(stream, ImageFormat.Bmp);
stream.Position = 0;
BmpBitmapDecoder bmpDecoder = new BmpBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
bitmapSource = bmpDecoder.Frames[0];
break;
case "{B96B3CAF-0728-11D3-9D7B-0000F81EF32E}": // png
image.Save(stream, ImageFormat.Png);
stream.Position = 0;
PngBitmapDecoder pngDecoder = new PngBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
bitmapSource = pngDecoder.Frames[0];
break;
case "{B96B3CAE-0728-11D3-9D7B-0000F81EF32E}": // jpeg
image.Save(stream, ImageFormat.Jpeg);
JpegBitmapDecoder jpegDecoder = new JpegBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
stream.Position = 0;
bitmapSource = jpegDecoder.Frames[0];
break;
case "{B96B3CB0-0728-11D3-9D7B-0000F81EF32E}": // gif
image.Save(stream, ImageFormat.Gif);
GifBitmapDecoder gifDecoder = new GifBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
stream.Position = 0;
bitmapSource = gifDecoder.Frames[0];
break;
case "{B96B3CB1-0728-11D3-9D7B-0000F81EF32E}": // tiff
image.Save(stream, ImageFormat.Tiff);
TiffBitmapDecoder tiffDecoder = new TiffBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
stream.Position = 0;
bitmapSource = tiffDecoder.Frames[0];
break;
case "{B96B3CB5-0728-11D3-9D7B-0000F81EF32E}": // icon
image.Save(stream, ImageFormat.Icon);
IconBitmapDecoder iconDecoder = new IconBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.Default);
stream.Position = 0;
bitmapSource = iconDecoder.Frames[0];
break;
case "{B96B3CAC-0728-11D3-9D7B-0000F81EF32E}": // emf
case "{B96B3CAD-0728-11D3-9D7B-0000F81EF32E}": // wmf
case "{B96B3CB2-0728-11D3-9D7B-0000F81EF32E}": // exif
case "{B96B3CB3-0728-11D3-9D7B-0000F81EF32E}": // photoCD
case "{B96B3CB4-0728-11D3-9D7B-0000F81EF32E}": // flashPIX
default:
throw new InvalidOperationException("Unsupported image format.");
}
}
catch (Exception ex)
{
Debug.WriteLine("ImageHelper.CreateBitmapSource failed:" + ex.Message);
}
finally
{
//if (stream != null)
// stream.Close();
}
return bitmapSource;
}
public JpegHelper(string path)
{
jpegPath = path;
using (Stream jpegStreamIn = File.Open(jpegPath, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
{
JpegBitmapDecoder decoder = null;
// The orginial decoder method will cause problem
// if decorder create by delay, it will fast the read speed, but can hardly write
// if decoder created by Preserve, it will be slow
try
{
decoder = new JpegBitmapDecoder(jpegStreamIn, BitmapCreateOptions.DelayCreation, BitmapCacheOption.OnDemand);
}
catch(Exception e)
{
Image x = Image.FromStream(jpegStreamIn);
if (x.RawFormat != ImageFormat.Jpeg)
throw new FormatException();
throw e;
}
var bitmapFrame = decoder.Frames[0];
//bitmapFrameCopy = BitmapFrame.Create(decoder.Frames[0]);
var orgMetadata = (BitmapMetadata)bitmapFrame.Metadata;
Keywords = orgMetadata.Keywords == null ? new List<string>() : new List<string>(orgMetadata.Keywords);
}
}
private static ImageSource RetriveImage(string imagePath)
{
Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(imagePath);
switch (imagePath.Substring(imagePath.Length - 3))
{
case "jpg":
var jpgDecoder = new System.Windows.Media.Imaging.JpegBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(jpgDecoder.Frames[0]);
case "bmp":
var bmpDecoder = new System.Windows.Media.Imaging.BmpBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(bmpDecoder.Frames[0]);
case "png":
var pngDecoder = new System.Windows.Media.Imaging.PngBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(pngDecoder.Frames[0]);
case "ico":
var icoDecoder = new System.Windows.Media.Imaging.IconBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(icoDecoder.Frames[0]);
default:
return(null);
}
}
//This method takes in a list of imagedata found in the database, creates a new gifbitmapencoder and puts the images into the newly formed gif.
public GifBitmapEncoder Create(IEnumerable<ImageData> listOFImages, int frameRate = 2)
{
JpegBitmapDecoder decoder;
BitmapSource convertToBmp;
GifBitmapEncoder newGif = new GifBitmapEncoder();
//Run through the list of ImageData from the database
foreach (BlueMarble.Data.ImageData indImage in listOFImages)
{
//Get the image based off of the url found on the data of the image
var request = WebRequest.Create(indImage.Lowresurl);
using (var response = request.GetResponse())
using (var webstream = response.GetResponseStream())
{
decoder = new JpegBitmapDecoder(webstream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
convertToBmp = decoder.Frames[0];
//The amount of times you store the image in the in the gif, the slower it appears to transition, default for this speed is 2
for (int x = 0; x < frameRate; x++)
{
newGif.Frames.Add(BitmapFrame.Create(convertToBmp));
}
}
}
return newGif;
}
public static Color CalculateAverageColorFor(Uri image)
{
var jpgImage = new JpegBitmapDecoder(image, BitmapCreateOptions.DelayCreation, BitmapCacheOption.OnLoad);
int width = jpgImage.Frames[0].PixelWidth;
int height = jpgImage.Frames[0].PixelHeight;
var imgBytes = new byte[width * 4 * height];
jpgImage.Frames[0].CopyPixels(imgBytes, width * 4, 0);
long sumB = 0, sumG = 0, sumR = 0;
for (int x = 0; x < height * width; x++)
{
int p = x * 4;
byte b = imgBytes[p + 0];
byte g = imgBytes[p + 1];
byte r = imgBytes[p + 2];
sumB += b;
sumG += g;
sumR += r;
}
long avgb = sumB / (width * height);
long avgg = sumG / (width * height);
long avgr = sumR / (width * height);
return Color.FromArgb(0, (int)avgr, (int)avgg, (int)avgb);
}
// converts only JPG image to byte[]
public static byte[] ImageToByteArray(string filename)
{
JpegBitmapDecoder myImage = new JpegBitmapDecoder(new Uri(filename, UriKind.RelativeOrAbsolute), BitmapCreateOptions.DelayCreation, BitmapCacheOption.OnLoad);
byte[] myImageBytes = new byte[myImage.Frames[0].PixelWidth * 4 * myImage.Frames[0].PixelHeight];
myImage.Frames[0].CopyPixels(myImageBytes, myImage.Frames[0].PixelWidth * 4, 0);
return myImageBytes;
}
private IEnumerable<ClaudiaImage> ExtractImages(Stream stream)
{
using (var zipReader = ZipReader.Open(stream))
{
while (zipReader.MoveToNextEntry() == true)
{
using (var imageStream = zipReader.OpenEntryStream())
{
var fileName = zipReader.Entry.Key;
if (fileName.EndsWith(".jpg") == true)
{
var decoder = new JpegBitmapDecoder(imageStream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
var imageSource = decoder.Frames[0];
imageSource.Freeze();
yield return new ClaudiaImage
{
Title = fileName,
Image = imageSource
};
}
else
{
imageStream.SkipEntry();
}
}
}
}
}
public void Preprocess()
{
JpegBitmapDecoder d = new JpegBitmapDecoder(new Uri(FileData.FullName), BitmapCreateOptions.None, BitmapCacheOption.Default);
BitmapFrame bf = d.Frames[0];
if (bf.Metadata != null)
{
BitmapMetadata bm = bf.Metadata as BitmapMetadata;
if (bm != null)
{
string taken = bm.DateTaken;
if (taken != null)
{
DateTime.TryParse(taken, out ImageTaken);
}
}
}
if(bf.Thumbnail != null)
{
Thumbnail = bf.Thumbnail;
}
else
{
double scale = 100/bf.PixelHeight;
Transform tf = new ScaleTransform(scale,scale);
TransformedBitmap tb = new TransformedBitmap(bf, tf);
Thumbnail = new WriteableBitmap(tb);
}
Interlocked.Increment(ref Parent.PreprocessedCount);
}
public static void WriteMetadata(string filename, string description) {
using (var fileStream = new FileStream(filename, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite)) {
var bitmapDecoder = new JpegBitmapDecoder(fileStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
var bitmapFrame = bitmapDecoder.Frames[0];
var metadataWriter = bitmapFrame.CreateInPlaceBitmapMetadataWriter();
metadataWriter.SetQuery("/app13/irb/8bimiptc/iptc/description", description);
}
}
public override ImageData Read(Stream file, ImageMetaData info)
{
var decoder = new JpegBitmapDecoder (file,
BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
var frame = decoder.Frames[0];
frame.Freeze();
return new ImageData (frame, info);
}
private void updateImage()
{
this.Dispatcher.BeginInvoke(new Action(() =>
{
this.jpegDec = new JpegBitmapDecoder(this.receivedData, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
this.bitmapsorce = this.jpegDec.Frames[0];
this.TestImage.Source = this.bitmapsorce;
}));
}
public override void Show(System.Windows.Controls.ContentControl contentControl, object writer)
{
FileStream imageStreamSource = new FileStream(this.FullFileName, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
Image image = new Image();
JpegBitmapDecoder jpgDecoder = new JpegBitmapDecoder(imageStreamSource, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
for (int i = 0; i < jpgDecoder.Frames.Count; i++)
{
BitmapSource bitMapSource = jpgDecoder.Frames[i];
image.Source = bitMapSource;
}
contentControl.Content = image;
}
private void btn_Click(object sender, RoutedEventArgs e)
{
FileStream stream = new FileStream("../../Images/FirstStarbucks.jpg", FileMode.Open);
JpegBitmapDecoder decoder = new JpegBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
BitmapSource bitmapSource = decoder.Frames[0];
mImage.Source = bitmapSource;
BitmapFrame bmf = BitmapFrame.Create(bitmapSource);
BitmapMetadata mMetadata = bmf.Metadata as BitmapMetadata;
mCamera.Content = "照相機: " + mMetadata.CameraModel;
mData.Content = "拍攝時間: " + mMetadata.DateTaken;
mISO.Content = "ISO速度: " + mMetadata.GetQuery("/app1/ifd/exif/subifd:{uint=34855}").ToString();
}
//BlueMarble.Data.MarbleDataBase dataBase;
public void InitiateVideo(int rollNum, int frameRate)
{
FileStream stream = new FileStream("new.gif", FileMode.Create);
Stream imageStream = new FileStream("images.jpg", FileMode.Open, FileAccess.Read, FileShare.Read);
JpegBitmapDecoder decoder = new JpegBitmapDecoder(imageStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
BitmapSource image = decoder.Frames[0];
GifBitmapEncoder newGif = new GifBitmapEncoder();
for (int x = 0; x < 10; x++)
{
newGif.Frames.Add(BitmapFrame.Create(image));
}
bool duration = newGif.Frames[0].HasAnimatedProperties;
imageStream = new FileStream("images2.jpg", FileMode.Open, FileAccess.Read, FileShare.Read);
decoder = new JpegBitmapDecoder(imageStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
image = decoder.Frames[0];
for (int x = 0; x < 10; x++)
{
newGif.Frames.Add(BitmapFrame.Create(image));
}
imageStream = new FileStream("images3.jpg", FileMode.Open, FileAccess.Read, FileShare.Read);
decoder = new JpegBitmapDecoder(imageStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
image = decoder.Frames[0];
for (int x = 0; x < 10; x++)
{
newGif.Frames.Add(BitmapFrame.Create(image));
}
var request = WebRequest.Create("http://www.gravatar.com/avatar/6810d91caff032b202c50701dd3af745?d=identicon&r=PG");
using (var response = request.GetResponse())
using (var webstream = response.GetResponseStream())
{
decoder = new JpegBitmapDecoder(webstream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
//imageStream = Bitmap.FromStream(webstream);
}
//decoder = new JpegBitmapDecoder(imageStream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
image = decoder.Frames[0];
for (int x = 0; x < 10; x++)
{
newGif.Frames.Add(BitmapFrame.Create(image));
}
newGif.Save(stream);
}
private async Task<ImageSource> FetchImageAsync()
{
using (var httpClient = new HttpClient())
{
using (var stream = await httpClient.GetStreamAsync(
"http://msdn.microsoft.com/ja-jp/hh561749.claudia_wp_01(l=ja-jp).jpg").
ConfigureAwait(false))
{
var decoder = new JpegBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
var imageSource = decoder.Frames[0];
imageSource.Freeze();
return imageSource;
}
}
}
public bool Save()
{
try
{
using (var jpegStream = new FileStream(_filePath, FileMode.Open, FileAccess.ReadWrite))
{
var jpgDecoder = new JpegBitmapDecoder(jpegStream, BitmapCreateOptions.None, BitmapCacheOption.Default);
var jpegFrames = jpgDecoder.Frames[0];
var jpgInplace = jpegFrames.CreateInPlaceBitmapMetadataWriter();
jpgInplace.Title = Title;
jpgInplace.Subject = Subject;
jpgInplace.Rating = Rating;
jpgInplace.Keywords = new ReadOnlyCollection<string>(Keywords);
jpgInplace.Comment = Comments;
_saved = false;
if (jpgInplace.TrySave())
{
jpegStream.Close();
_saved = true;
}
else
{
jpegStream.Close();
var start = new ThreadStart(padAndSave);
var myThread = new Thread(start);
myThread.SetApartmentState(ApartmentState.STA);
myThread.Start();
while (myThread.IsAlive)
{
}
}
}
}
catch
{
_saved = false;
}
return _saved;
}
ImageSource FromStream(Stream stream)
{
ImageSource ret = null;
if(stream != null)
{
{
// try png decoder
try
{
JpegBitmapDecoder bitmapDecoder = new JpegBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
ImageSource m = bitmapDecoder.Frames[0];
if(m != null)
{
ret = m;
}
}
catch
{
ret = null;
}
// try jpeg decoder
if(ret == null)
{
try
{
stream.Seek(0, SeekOrigin.Begin);
PngBitmapDecoder bitmapDecoder = new PngBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
ImageSource m = bitmapDecoder.Frames[0];
if(m != null)
{
ret = m;
}
}
catch
{
ret = null;
}
}
}
}
return ret;
}
/// <summary>
/// Get image basic information for further rendering usage
/// </summary>
/// <param name="imageFilePath">Path to the image file</param>
/// <returns>Image width and height</returns>
public static Tuple<int, int> GetImageInfoForRendering(string imageFilePath)
{
try
{
using (var s = File.OpenRead(imageFilePath))
{
JpegBitmapDecoder decoder = new JpegBitmapDecoder(s, BitmapCreateOptions.None, BitmapCacheOption.None);
var frame = decoder.Frames.First();
// Store image width and height for following rendering
return new Tuple<int, int>(frame.PixelWidth, frame.PixelHeight);
}
}
catch
{
return new Tuple<int, int>(0, 0);
}
}
public static BitmapSource ToImage(byte[] arg, TypeImagen tipo) {
BitmapSource temporigen = null;
if(arg != null){
System.IO.MemoryStream ms = new System.IO.MemoryStream(arg);
switch (tipo)
{
case TypeImagen.BMP:
BmpBitmapDecoder bmpdeco = new BmpBitmapDecoder(ms, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
temporigen = bmpdeco.Frames[0];
break;
case TypeImagen.JPG:
JpegBitmapDecoder jpgdeco = new JpegBitmapDecoder(ms, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
temporigen = jpgdeco.Frames[0];
break;
}
}
return temporigen;
}
/// <summary>
///
/// </summary>
/// <param name="fileName"></param>
/// <exception cref="AgrumentException">Can't open file</exception>
public EXIFFileWorker(string pathToFile)
: this()
{
m_pathToFile = pathToFile;
if (String.IsNullOrEmpty(pathToFile))
throw new ArgumentNullException("pathToFile");
if (!m_FileManager.Exists(pathToFile))
throw new ArgumentException("File not found", "pathToFile");
try
{
if (m_jpegStreamIn != null)
m_jpegStreamIn .Close();
m_jpegStreamIn = m_FileManager.Open(pathToFile, FileMode.Open, FileAccess.Read);
}
catch (Exception e)
{
throw new ArgumentException("Can't open file", "pathToFile", e);
}
// unpack photo and make decoder
m_Decoder = new JpegBitmapDecoder(m_jpegStreamIn, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.None);
m_Exif = (BitmapMetadata)m_Decoder.Frames[0].Metadata.Clone();
}
public PictogramType(piktogramy pikt)
{
Name = pikt.name;
try
{
Categories = new CategoryType(pikt.category.name);
}
catch (Exception e)
{
}
using (var stream = new MemoryStream(pikt.image))
{
JpegBitmapDecoder decoder = new JpegBitmapDecoder(stream,
BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.OnLoad);
BitmapSource bitmapSource = decoder.Frames[0];
bitmapSource.Freeze();
Image = bitmapSource;
}
Medium = System.Text.Encoding.ASCII.GetString(pikt.medium.@object);
MediumType = (MediaTypeEnum)pikt.media_id;
}
/// <summary>
/// Завантаження зображення в масив байтів
/// </summary>
/// <param name="path">шлях до файлу</param>
/// <returns></returns>
public static byte[,] LoadImage(string path)
{
Uri myUri = new Uri(path, UriKind.RelativeOrAbsolute);
JpegBitmapDecoder decoder = new JpegBitmapDecoder(myUri, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
BitmapSource bs = decoder.Frames[0];
//Конвертуємо зображення в шкалі сірого
FormatConvertedBitmap fcb = new FormatConvertedBitmap(bs, PixelFormats.Gray8, BitmapPalettes.BlackAndWhite, 1);
bs = fcb;
byte[] arr = new byte[(int)(bs.Width * bs.Height)];
//Отримуємо пікселі
bs.CopyPixels(arr, (int)(8 * bs.Width) / 8, 0);
int count = 0;
byte[,] img = new byte[(int)bs.Height, (int)bs.Width];
//Формуємо двувимірний масив
for (int i = 0; i < bs.Height; ++i)
{
for (int j = 0; j < bs.Width; ++j)
{
img[i, j] = arr[count++];
}
}
return img;
}
/// <summary>
/// 从资源中恢复图像（png、ico、jpeg、bmp）
/// </summary>
/// <param name="nomImage"></param>
/// <returns></returns>
public static ImageSource ImageSource(string nomImage)
{
Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(nomImage);
if (Path.GetExtension(nomImage).ToLower().EndsWith(".png")) // Cas png
{
PngBitmapDecoder img = new System.Windows.Media.Imaging.PngBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(img.Frames[0]);
}
if (Path.GetExtension(nomImage).ToLower().EndsWith(".bmp")) // Cas bmp
{
BmpBitmapDecoder img = new System.Windows.Media.Imaging.BmpBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(img.Frames[0]);
}
if (Path.GetExtension(nomImage).ToLower().EndsWith(".jpg")) // Cas jpg
{
JpegBitmapDecoder img = new System.Windows.Media.Imaging.JpegBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(img.Frames[0]);
}
if (Path.GetExtension(nomImage).ToLower().EndsWith(".tiff")) // Cas tiff
{
TiffBitmapDecoder img = new System.Windows.Media.Imaging.TiffBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(img.Frames[0]);
}
if (Path.GetExtension(nomImage).ToLower().Contains(".ico")) // Cas ico
{
IconBitmapDecoder img = new System.Windows.Media.Imaging.IconBitmapDecoder(stream, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
return(img.Frames[0]);
}
return(null);
}
//metadataCopy.SetQuery("/app13/irb/8bimiptc/iptc/keywords", string.Format("{0}",String.Join(",", Keywords.ToArray()),Hash));
public void Save(string path)
{
var klist = new List<string>(Keywords);
//klist.Add(string.Format("#HASH:{0}", Hash));
JpegBitmapDecoder decoder = null;
using (Stream jpegStreamIn = File.Open(jpegPath, FileMode.Open, FileAccess.ReadWrite, FileShare.None))
{
// The orginial decoder method will cause problem
// if decorder create by delay, it will fast the read speed, but can hardly write
// if decoder created by Preserve, it will be slow
try
{
decoder = new JpegBitmapDecoder(jpegStreamIn, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.OnLoad);
}
catch
{
Image x = Image.FromStream(jpegStreamIn);
if (x.RawFormat != ImageFormat.Jpeg)
throw new FormatException();
else throw new Exception();
}
}
var encoder = new JpegBitmapEncoder();
var Frame = BitmapFrame.Create(decoder.Frames[0]);
((BitmapMetadata)Frame.Metadata).Keywords = new System.Collections.ObjectModel.ReadOnlyCollection<string>(klist);
//var xx = BitmapFrame.Create(decoder.Frames[0], decoder.Frames[0].Thumbnail, metadata, decoder.Frames[0].ColorContexts);
encoder.Frames.Add(Frame);
using (Stream jpegStreamOut = File.Open(path, FileMode.Create))
{
encoder.Save(jpegStreamOut);
}
}
private static WriteableBitmap _Get(string name)
{
lock(_lock)
{
if (name != _loadedName)
{
ManagedBitmap managedBitmap;
using (var stream = new System.IO.FileStream(name, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
var decoder = new JpegBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
var frame = decoder.Frames[0];
managedBitmap = new ManagedBitmap(frame);
}
using(var lockedBitmap = managedBitmap.Lock())
{
int height = lockedBitmap.Height;
int width = lockedBitmap.Width;
for(int y=0; y<height; y++)
{
for(int x=0; x<width; x++)
{
var color = lockedBitmap[x, y];
if (color.Red < 10 && color.Green < 10 && color.Blue < 10)
lockedBitmap[x, y] = new Argb();
}
}
}
_bitmap = managedBitmap.WriteableBitmap;
_loadedName = name;
}
return _bitmap;
}
}
internal static BitmapSource ToImageSource(string ext, Stream s)
{
ext = ext.ToLower();
if (ext.EndsWith(".png"))
{
var bitmapDecoder = new PngBitmapDecoder(s, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.None);
return bitmapDecoder.Frames[0];
}
if (ext.EndsWith(".gif"))
{
var bitmapDecoder = new GifBitmapDecoder(s, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.None);
return bitmapDecoder.Frames[0];
}
if (ext.EndsWith(".jpg"))
{
var bitmapDecoder = new JpegBitmapDecoder(s, BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.None);
return bitmapDecoder.Frames[0];
}
// http://stackoverflow.com/questions/2835502/rotating-cursor-according-to-rotated-textbox
// http://stackoverflow.com/questions/46805/custom-cursor-in-wpf
// http://stackoverflow.com/questions/2284353/is-there-a-good-way-to-convert-between-bitmapsource-and-bitmap
// http://www.gdgsoft.com/anituner/help/aniformat.htm
// http://msdn.microsoft.com/en-us/library/ms608877.aspx
throw new NotSupportedException(ext);
}
private static Stream AddImageComment(Stream jpegStreamIn, string propValue, int propId)
{
//string jpegDirectory = Path.GetDirectoryName(imageFlePath);
//string jpegFileName = Path.GetFileNameWithoutExtension(imageFlePath);
var decoder = new JpegBitmapDecoder(jpegStreamIn, BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.OnLoad);
var bitmapFrame = decoder.Frames[0];
var metaData = (BitmapMetadata)bitmapFrame.Metadata.Clone();
// modify the metadata
metaData.SetQuery("/app1/ifd/exif:{uint=" + propId.ToString(CultureInfo.InvariantCulture) + "}", propValue);
// get an encoder to create a new jpg file with the new metadata.
var encoder = new JpegBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(bitmapFrame, bitmapFrame.Thumbnail, metaData,
bitmapFrame.ColorContexts));
// Save the new image
var ms = new MemoryStream();
encoder.Save(ms);
return ms;
}
void _timer_Tick(object sender, EventArgs e)
{
NikonDevice device = _object as NikonDevice;
Debug.Assert(device != null);
NikonLiveViewImage liveViewImage = null;
try
{
liveViewImage = device.GetLiveViewImage();
}
catch (NikonException ex)
{
Log.GetInstance().WriteLine("Failed to get live view image: " + ex.ToString());
}
if (liveViewImage == null)
{
_timer.Stop();
return;
}
// Note: Decode the live view jpeg image on a seperate thread to keep the UI responsive
ThreadPool.QueueUserWorkItem(new WaitCallback((o) =>
{
Debug.Assert(liveViewImage != null);
JpegBitmapDecoder decoder = new JpegBitmapDecoder(
new MemoryStream(liveViewImage.JpegBuffer),
BitmapCreateOptions.None,
BitmapCacheOption.OnLoad);
Debug.Assert(decoder.Frames.Count > 0);
BitmapFrame frame = decoder.Frames[0];
Dispatcher.CurrentDispatcher.Invoke((Action)(() =>
{
SetLiveViewImage(frame);
}));
}));
}
private void CreateAndShowMainWindow()
{
// Create the application's main window
_mainWindow = new Window {Title = "WDP Imaging Sample"};
var mySv = new ScrollViewer();
var width = 128;
var height = width;
var stride = width/8;
var pixels = new byte[height*stride];
// Define the image palette
var myPalette = BitmapPalettes.WebPalette;
// Creates a new empty image with the pre-defined palette
var image = BitmapSource.Create(
width,
height,
96,
96,
PixelFormats.Indexed1,
myPalette,
pixels,
stride);
var stream = new FileStream("new.wdp", FileMode.Create);
var encoder = new WmpBitmapEncoder();
var myTextBlock = new TextBlock {Text = "Codec Author is: " + encoder.CodecInfo.Author};
encoder.Frames.Add(BitmapFrame.Create(image));
encoder.Save(stream);
// Open a Stream and decode a WDP image
Stream imageStreamSource = new FileStream("tulipfarm.wdp", FileMode.Open, FileAccess.Read, FileShare.Read);
var decoder = new WmpBitmapDecoder(imageStreamSource, BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.Default);
BitmapSource bitmapSource = decoder.Frames[0];
// Draw the Image
var myImage = new Image
{
Source = bitmapSource,
Stretch = Stretch.None,
Margin = new Thickness(20)
};
// Open a Uri and decode a WDP image
var myUri = new Uri("tulipfarm.wdp", UriKind.RelativeOrAbsolute);
var decoder3 = new WmpBitmapDecoder(myUri, BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.Default);
BitmapSource bitmapSource3 = decoder3.Frames[0];
// Draw the Image
var myImage2 = new Image
{
Source = bitmapSource3,
Stretch = Stretch.None,
Margin = new Thickness(20)
};
var stream2 = new FileStream("tulipfarm.jpg", FileMode.Open);
var decoder2 = new JpegBitmapDecoder(stream2, BitmapCreateOptions.PreservePixelFormat,
BitmapCacheOption.Default);
BitmapSource bitmapSource2 = decoder2.Frames[0];
var stream3 = new FileStream("new2.wdp", FileMode.Create);
var encoder2 = new WmpBitmapEncoder();
encoder2.Frames.Add(BitmapFrame.Create(bitmapSource2));
encoder2.Save(stream3);
// Define a StackPanel to host the decoded WDP images
var myStackPanel = new StackPanel
{
Orientation = Orientation.Vertical,
VerticalAlignment = VerticalAlignment.Stretch,
HorizontalAlignment = HorizontalAlignment.Stretch
};
// Add the Image and TextBlock to the parent Grid
myStackPanel.Children.Add(myImage);
myStackPanel.Children.Add(myImage2);
myStackPanel.Children.Add(myTextBlock);
// Add the StackPanel as the Content of the Parent Window Object
mySv.Content = myStackPanel;
_mainWindow.Content = mySv;
_mainWindow.Show();
}
internal static BitmapDecoder CreateFromUriOrStream(
Uri baseUri,
Uri uri,
Stream stream,
BitmapCreateOptions createOptions,
BitmapCacheOption cacheOption,
RequestCachePolicy uriCachePolicy,
bool insertInDecoderCache
)
{
Guid clsId = Guid.Empty;
bool isOriginalWritable = false;
SafeMILHandle decoderHandle = null;
BitmapDecoder cachedDecoder = null;
Uri finalUri = null;
Stream uriStream = null;
UnmanagedMemoryStream unmanagedMemoryStream = null;
SafeFileHandle safeFilehandle = null;
// check to ensure that images are allowed in partial trust
DemandIfImageBlocked();
if (uri != null)
{
finalUri = (baseUri != null) ?
System.Windows.Navigation.BaseUriHelper.GetResolvedUri(baseUri, uri) :
uri;
if (insertInDecoderCache)
{
if ((createOptions & BitmapCreateOptions.IgnoreImageCache) != 0)
{
ImagingCache.RemoveFromDecoderCache(finalUri);
}
cachedDecoder = CheckCache(
finalUri,
out clsId
);
}
}
// try to retrieve the cached decoder
if (cachedDecoder != null)
{
decoderHandle = cachedDecoder.InternalDecoder;
}
else if ((finalUri != null) && (finalUri.IsAbsoluteUri) && (stream == null) &&
((finalUri.Scheme == Uri.UriSchemeHttp) ||
(finalUri.Scheme == Uri.UriSchemeHttps)))
{
return new LateBoundBitmapDecoder(baseUri, uri, stream, createOptions, cacheOption, uriCachePolicy);
}
else if ((stream != null) && (!stream.CanSeek))
{
return new LateBoundBitmapDecoder(baseUri, uri, stream, createOptions, cacheOption, uriCachePolicy);
}
else
{
// Create an unmanaged decoder
decoderHandle = BitmapDecoder.SetupDecoderFromUriOrStream(
finalUri,
stream,
cacheOption,
out clsId,
out isOriginalWritable,
out uriStream,
out unmanagedMemoryStream,
out safeFilehandle
);
}
BitmapDecoder decoder = null;
// Find out the decoder type and wrap it appropriately and return that
if (MILGuidData.GUID_ContainerFormatBmp == clsId)
{
decoder = new BmpBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatGif == clsId)
{
decoder = new GifBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatIco == clsId)
{
decoder = new IconBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatJpeg == clsId)
{
decoder = new JpegBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatPng == clsId)
{
decoder = new PngBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatTiff == clsId)
{
decoder = new TiffBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else if (MILGuidData.GUID_ContainerFormatWmp == clsId)
{
decoder = new WmpBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
else
{
decoder = new UnknownBitmapDecoder(
decoderHandle,
cachedDecoder,
baseUri,
uri,
stream,
createOptions,
cacheOption,
insertInDecoderCache,
isOriginalWritable,
uriStream,
unmanagedMemoryStream,
safeFilehandle
);
}
return decoder;
}
public void Load()
{
try
{
// If we have a loading function, use that to get the url we want to load
if (loading != null)
this.url = loading();
// We explicitly use the WebClient here because we need access to the system-wide browser cache and cookies collection
var client = new WebClient { CachePolicy = new RequestCachePolicy(RequestCacheLevel.CacheIfAvailable) };
var stream = new MemoryStream();
using (var istream = client.OpenRead(url))
{
// Read stream into our own byte buffer on the background thread
istream.CopyTo(stream);
stream.Seek(0, SeekOrigin.Begin);
}
var headers = client.ResponseHeaders;
Application.Current.Dispatcher.Invoke(DispatcherPriority.Normal, (Action)delegate
{
try
{
// Create imagesource on the foreground thread
string extension = Path.GetExtension(url).ToLower();
BitmapDecoder decoder = null;
if (extension == ".gif")
decoder = new GifBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
else if (extension == ".png")
decoder = new PngBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
else if (extension == ".jpg" || extension == ".jpeg")
decoder = new JpegBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
else if (extension == ".bmp")
decoder = new BmpBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
else
{
// We are not sure what extension we are looking at, lets see if there is a content-type available
if (headers["Content-Type"] != null)
{
var type = headers["Content-Type"];
if (type.IndexOf("gif", StringComparison.InvariantCultureIgnoreCase) > -1)
decoder = new GifBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
else if (type.IndexOf("png", StringComparison.InvariantCultureIgnoreCase) > -1)
decoder = new PngBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
else if (type.IndexOf("jpg", StringComparison.InvariantCultureIgnoreCase) > -1 || type.IndexOf("jpeg", StringComparison.InvariantCultureIgnoreCase) > -1)
decoder = new JpegBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
else if (type.IndexOf("bmp", StringComparison.InvariantCultureIgnoreCase) > -1)
decoder = new BmpBitmapDecoder(stream, BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
}
}
if (decoder == null)
{
Logger.Error("Unable to determine type of image to decode. url = {0}", LogSource.BackgroundTask, url);
return;
}
_asyncSource = decoder.Frames[0];
_asyncSource.Freeze();
if (PropertyChanged != null)
PropertyChanged(this, new PropertyChangedEventArgs("AsyncSource"));
if (loaded != null)
loaded();
}
catch (Exception ex)
{
Logger.Error("An error has occured while trying to download an AsyncHttpImage. Url = {0} Exception = {1}", LogSource.BackgroundTask, url, ex);
}
finally
{
stream.Dispose();
}
});
}
catch (Exception ex)
{
Logger.Error("An error has occured while trying to download an AsyncHttpImage. Url = {0} Exception = {1}", LogSource.BackgroundTask, url, ex);
}
}
/// <summary>
/// Parse the MJPG stream. This should only return in the case of an
/// exception accuring.
/// </summary>
/// <exception cref="System.ApplicationException">Thrown when
/// there is a problem with the handling of the stream. See the
/// string description for more information.</exception>
//private void getFrames()
private void getFrames(object sender, DoWorkEventArgs ev)
{
BackgroundWorker bw = sender as BackgroundWorker;
string strHeader = "--myboundary\r\nContent-Type: image/jpeg\r\nContent-Length: ";
byte[] headerBuffer = new byte[strHeader.Length];
string strHeaderBuffer = "";
int bytesRead = 0;
// Set the URL to request
//string strRequest = this.camParams.MjpgParameterString();
string strRequest = AxisParameters.MjpgParameterString(this.cameraConfig);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(strRequest);
// set the username and password
if (this.cameraConfig.User != null && this.cameraConfig.Password != null)
{
request.Credentials = new NetworkCredential(
this.cameraConfig.User,
this.cameraConfig.Password
);
}
this.doInfo(this, new ScallopInfoEventArgs("Trying Axis camera with URL " + request.RequestUri.ToString()));
HttpWebResponse streamResponse = (HttpWebResponse)request.GetResponse();
this.doInfo(this, new ScallopInfoEventArgs("Server responded with : " + streamResponse.StatusDescription));
using (BufferedStream mjpgStream = new BufferedStream(streamResponse.GetResponseStream()))
{
this.streaming = true;
this.doOpened(this, EventArgs.Empty);
while (true)
{
int contentLen = 0;
string aLine = "";
if (bw.CancellationPending == true)
{
mjpgStream.Close();
ev.Cancel = true;
return;
}
/*
HTTP/1.0 200 OK\r\n
Content-Type: multipart/x-mixed-replace;boundary=myboundary\r\n
\r\n
--myboundary\r\n
Content-Type: image/jpeg\r\n
Content-Length: 15656\r\n
\r\n
<JPEG image data>\r\n
--myboundary\r\n
Content-Type: image/jpeg\r\n
Content-Length: 14978\r\n
\r\n
<JPEG image data>\r\n
--myboundary\r\n
Content-Type: image/jpeg\r\n
Content-Length: 15136\r\n
\r\n
<JPEG image data>\r\n
--myboundary\r\n
.
.
.*/
bytesRead = 0;
// Read --myboundary and Content-Type
while ((bytesRead += mjpgStream.Read(headerBuffer,
bytesRead,
headerBuffer.Length - bytesRead)) < headerBuffer.Length)
{
// No op
}
strHeaderBuffer = System.Text.Encoding.UTF8.GetString(headerBuffer);
if (!strHeaderBuffer.Equals(strHeader))
throw new ScallopException("MJPEG header not found");
aLine = readMjpgLine(mjpgStream);
contentLen = int.Parse(aLine);
aLine = readMjpgLine(mjpgStream);
if (!String.IsNullOrEmpty(aLine)) // empty line
throw new ScallopException("Blank line not found");
// buffer for MJPG frame data
byte[] frameBuffer = new byte[contentLen];
bytesRead = 0;
// read up to contentLen of data to frameBuffer
while ((bytesRead += mjpgStream.Read(frameBuffer,
bytesRead,
contentLen - bytesRead)) < contentLen)
{
// No op
}
aLine = readMjpgLine(mjpgStream);
switch (this.cameraConfig.FrameFormat)
{
case AxisCameraConfigTypeFrameFormat.Jpeg:
this.doData(this, new ScallopSensorDataEventArgs(frameBuffer, "New frame"));
break;
case AxisCameraConfigTypeFrameFormat.SystemDrawingBitmap:
using (MemoryStream pixelStream = new MemoryStream(frameBuffer))
{
Bitmap streamBitmap = new Bitmap(pixelStream);
Bitmap bmp = streamBitmap.Clone() as Bitmap;
if (bmp != null)
this.doData(this, new ScallopSensorDataEventArgs(bmp, "New frame"));
streamBitmap.Dispose();
}
break;
case AxisCameraConfigTypeFrameFormat.SystemWindowsMediaImagingBitmapSource:
JpegBitmapDecoder decoder = new JpegBitmapDecoder(new MemoryStream(frameBuffer), BitmapCreateOptions.PreservePixelFormat, BitmapCacheOption.Default);
if (decoder.Frames[0] != null)
this.doData(this, new ScallopSensorDataEventArgs(decoder.Frames[0] as BitmapSource, "New frame"));
break;
}
}
}
}
