| public Encode ( ExtendedImage image, Stream stream ) : void | ||
| image | ExtendedImage | The image, where the data should be get from. /// Cannot be null (Nothing in Visual Basic). |
| stream | Stream | The stream, where the image data should be written to. /// Cannot be null (Nothing in Visual Basic). |
| return | void | |
public override void LoadFileDialog(FolderLocations folderLocation, int maxWidth, int maxHeight, int x, int y, int width, int height, string[] fileTypes, StreamLoadedCallbackMethod streamLoadedCallback)
{
if (streamLoadedCallback == null) return;
string filename = EditorUtility.OpenFilePanel("Load file", "", generateFilterValue(fileTypes));
if (!string.IsNullOrEmpty(filename))
{
if (maxWidth == 0 || maxHeight == 0 || folderLocation != FolderLocations.Pictures)
{
streamLoadedCallback(new FileStream(filename, FileMode.Open, FileAccess.Read), true);
}
else
{
var newStream = new MemoryStream();
try
{
using (var stream = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
IImageDecoder decoder = null;
switch (Path.GetExtension(filename).ToLower())
{
case ".jpg": decoder = new JpegDecoder(); break;
case ".jpeg": decoder = new JpegDecoder(); break;
case ".png": decoder = new PngDecoder(); break;
default:
Debug.LogError("Unsuported file ext type: " + Path.GetExtension(filename));
streamLoadedCallback(null, false);
return;
}
var image = new ExtendedImage();
decoder.Decode(image, stream);
var newSize = MathUtilities.FitInViewIfLarger(image.PixelWidth, image.PixelHeight, maxWidth, maxHeight);
var newImage = ExtendedImage.Resize(image, (int)newSize.x, (int)newSize.y, new NearestNeighborResizer());
var encoder = new PngEncoder();
encoder.Encode(newImage, newStream);
newStream.Position = 0;
}
}
catch (Exception e)
{
newStream.Dispose();
newStream = null;
Debug.LogError(e.Message);
}
finally
{
streamLoadedCallback(newStream, true);
}
}
}
else
{
streamLoadedCallback(null, false);
}
}
public Uri ToUri()
{
this.Measure(new Size(173, 173));
this.Arrange(new Rect(0, 0, 173, 173));
ExtendedImage tileImaged = this.ToImage();
Encoders.AddEncoder<PngEncoder>();
var encoder = new PngEncoder();
var filename = string.Format("/Shared/ShellContent/StatementFront{0}.png", Id);
using (IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (!myIsolatedStorage.DirectoryExists("/Shared/ShellContent"))
{
myIsolatedStorage.CreateDirectory("/Shared/ShellContent");
}
if (myIsolatedStorage.FileExists(filename))
{
myIsolatedStorage.DeleteFile(filename);
}
IsolatedStorageFileStream fileStream = myIsolatedStorage.CreateFile(filename);
encoder.Encode(tileImaged, fileStream);
fileStream.Close();
}
return new Uri("isostore:" + filename, UriKind.RelativeOrAbsolute);
}
public static void SaveImage(this UIElement uiElement)
{
var dialog = new SaveFileDialog
{
DefaultExt = ".png",
Filter = "PNG | *.png | JPG | *.jpg",
};
var save = dialog.ShowDialog();
if (save.HasValue && save.Value)
{
var saveStream = dialog.OpenFile();
var bitmap = new WriteableBitmap(uiElement, new TranslateTransform());
var image = bitmap.ToImage();
if (dialog.SafeFileName.EndsWith(".png"))
{
var encoder = new PngEncoder();
encoder.Encode(image, saveStream);
}
else if (dialog.SafeFileName.EndsWith(".jpg"))
{
var encoder = new JpegEncoder();
encoder.Encode(image, saveStream);
}
saveStream.Close();
}
}
public static void SaveToPNG(this WriteableBitmap bitmap)//扩展WriteableBitmap类添加SaveToPNG方法
{
if (bitmap != null)
{
SaveFileDialog sfd = new SaveFileDialog
{
Filter = "PNG Files (*.png)|*.png|All Files (*.*)|*.*",
DefaultExt = ".png",
FilterIndex = 1
};
if ((bool)sfd.ShowDialog())
{
var img = bitmap.ToImage();
var encoder = new PngEncoder();
using (Stream stream = sfd.OpenFile())
{
encoder.Encode(img, stream);
stream.Close();
}
}
}
}
private async Task SaveTheImage(WriteableBitmap bitmap)
{
if (await _storageService.FileExistsAsync(LockScreenFile))
{
await _storageService.DeleteFileAsync(LockScreenFile);
}
using (var fileStream = await _storageService.CreateFileAsync(LockScreenFile))
{
var encoder = new PngEncoder();
var image = bitmap.ToImage();
encoder.Encode(image, fileStream);
}
}
private ArticleImage CreateFakeArticleImage(Chapter chapter)
{
var image = new ArticleImage();
// image.Chapter = chapter;
var bitMapImage = new BitmapImage();
GifDecoder gd = new GifDecoder();
var img = new ImageTools.ExtendedImage();
gd.Decode(img, Application.GetResourceStream(
new Uri("/SmartReader.Library;component/Resource/8004887.gif", UriKind.Relative)
).Stream);
var png = new PngEncoder();
BitmapImage bitmap = new BitmapImage();
bitmap.CreateOptions = BitmapCreateOptions.None;
using (MemoryStream stream = new MemoryStream())
{
png.Encode(img, stream);
bitmap.SetSource(stream);
}
image.ImageBytes = ConvertToBytes(bitmap);
Storage.SaveArticleImages(new[] { image });
return image;
}
/// <summary>
/// Used to render the contents to a tile
/// </summary>
/// <returns>a <see cref="StandardTileData"/> with the contents of this control</returns>
public StandardTileData ToTile()
{
// Need to call these, otherwise the contents aren't rendered correctly.
this.Measure(new Size(173, 173));
this.Arrange(new Rect(0, 0, 173, 173));
// The png encoder is the work of the ImageTools API. http://imagetools.codeplex.com/
ExtendedImage tileImaged = this.ToImage();
Encoders.AddEncoder<PngEncoder>();
var p = new PngEncoder();
const string tempFileName = "/Shared/ShellContent/tileImage.png";
using (IsolatedStorageFile myIsolatedStorage = IsolatedStorageFile.GetUserStoreForApplication())
{
if (myIsolatedStorage.FileExists(tempFileName))
{
myIsolatedStorage.DeleteFile(tempFileName);
}
IsolatedStorageFileStream fileStream = myIsolatedStorage.CreateFile(tempFileName);
p.Encode(tileImaged, fileStream);
fileStream.Close();
}
var newTile = new StandardTileData
{
Title = Title,
BackgroundImage =
new Uri("isostore:" + tempFileName, UriKind.RelativeOrAbsolute)
};
return newTile;
}
private void UploadImage(ExtendedImage image)
{
var webClient = new WebClient();
webClient.OpenWriteCompleted += (sender, e) => {
if (e.Error == null) {
var pngEncoder = new PngEncoder();
using (e.Result) {
pngEncoder.Encode(image, e.Result);
}
}
};
webClient.WriteStreamClosed += (sender, e) => {
if (e.Error == null) {
MessageBox.Show("Image uploaded successfully");
}
};
webClient.OpenWriteAsync(new Uri("http://localhost:5637/Wafers/UploadImage", UriKind.Absolute), "POST");
}
private void OKButton_Click(object sender, RoutedEventArgs e)
{
if (checkBoxAttachScreenShot.IsChecked.HasValue && checkBoxAttachScreenShot.IsChecked.Value)
{
ImageTools.Image image = ImageTools.ImageExtensions.ToImage(_screenShot);
using (MemoryStream writestream = new MemoryStream())
{
PngEncoder encoder = new PngEncoder();
encoder.Encode(image, writestream);
byte[] bytes = writestream.ToArray();
MemoryStream readStream = new MemoryStream(bytes);
UploadFile(readStream);
}
}
// always try to use {0} as newline
string text = string.Format("Name: {1}{0}Contact: {2}{0}Comment: {3}{0}{0}{0}",
Environment.NewLine,
this.textBoxName.Text,
this.textBoxContactInfo.Text,
this.textBoxComments.Text);
if (checkBoxAttachSysinfo.IsChecked.HasValue && checkBoxAttachSysinfo.IsChecked.Value)
{
text = string.Format("{1}{0}SysInfo:{0}{2}", Environment.NewLine, text, textBlockSysInfo.Text);
}
UploadSysInfo(text);
this.DialogResult = true;
}
public override void LoadFileDialog(FolderLocations folderLocation, int maxWidth, int maxHeight, int x, int y, int width, int height, string[] fileTypes, StreamLoadedCallbackMethod streamLoadedCallback)
{
if (streamLoadedCallback == null) return;
// open native dlg
var file = new OPENFILENAME();
file.lStructSize = (uint)Marshal.SizeOf(typeof(OPENFILENAME));
file.hwndOwner = IntPtr.Zero;
file.lpstrDefExt = IntPtr.Zero;
file.lpstrFile = Marshal.AllocHGlobal((int)MAX_PATH);
unsafe {((byte*)file.lpstrFile.ToPointer())[0] = 0;}
file.nMaxFile = MAX_PATH;
file.lpstrFilter = generateFilterValue(fileTypes);
file.nFilterIndex = 0;
file.lpstrInitialDir = Marshal.StringToHGlobalUni(Application.dataPath);
file.lpstrTitle = Marshal.StringToHGlobalUni("Load file");
file.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST | OFN_NOCHANGEDIR;
GetOpenFileName(ref file);
// get native dlg result
string filename = null;
if (file.lpstrFile != IntPtr.Zero)
{
filename = Marshal.PtrToStringUni(file.lpstrFile);
Debug.Log("Loading file: " + filename);
}
Marshal.FreeHGlobal(file.lpstrFile);
Marshal.FreeHGlobal(file.lpstrInitialDir);
Marshal.FreeHGlobal(file.lpstrTitle);
Marshal.FreeHGlobal(file.lpstrFilter);
// open file
if (!string.IsNullOrEmpty(filename))
{
if (maxWidth == 0 || maxHeight == 0 || folderLocation != FolderLocations.Pictures)
{
streamLoadedCallback(new FileStream(filename, FileMode.Open, FileAccess.Read), true);
}
else
{
var newStream = new MemoryStream();
try
{
using (var stream = new FileStream(filename, FileMode.Open, FileAccess.Read))
{
ImageTools.IO.IImageDecoder decoder = null;
switch (Path.GetExtension(filename).ToLower())
{
case ".jpg": decoder = new ImageTools.IO.Jpeg.JpegDecoder(); break;
case ".jpeg": decoder = new ImageTools.IO.Jpeg.JpegDecoder(); break;
case ".png": decoder = new ImageTools.IO.Png.PngDecoder(); break;
default:
Debug.LogError("Unsuported file ext type: " + Path.GetExtension(filename));
streamLoadedCallback(null, false);
return;
}
var image = new ExtendedImage();
decoder.Decode(image, stream);
var newSize = Reign.MathUtilities.FitInViewIfLarger(image.PixelWidth, image.PixelHeight, maxWidth, maxHeight);
var newImage = ExtendedImage.Resize(image, (int)newSize.x, (int)newSize.y, new NearestNeighborResizer());
var encoder = new PngEncoder();
encoder.Encode(newImage, newStream);
newStream.Position = 0;
}
}
catch (Exception e)
{
newStream.Dispose();
newStream = null;
Debug.LogError(e.Message);
}
finally
{
streamLoadedCallback(newStream, true);
}
}
}
else
{
streamLoadedCallback(null, false);
}
}
void FetchComicReadCompleted(object sender, OpenReadCompletedEventArgs e)
{
// Clean the webclient that was created when this request was created.
WebClient webClient = sender as WebClient;
if (webClient != null)
{
webClient = null;
}
if (RESTError(e))
{
Debug.WriteLine("Error fetching comic image! Error: " + e.Error.ToString());
return;
}
ComicItem currentComicModel = (ComicItem)e.UserState;
Debug.WriteLine("Fetched comic strip image.");
Stream reply = null;
try
{
reply = (Stream)e.Result;
}
catch (WebException webEx)
{
if (webEx.Status != WebExceptionStatus.Success)
{
Debug.WriteLine("Web error occured. Cannot load image!");
return;
}
}
MemoryStream comicStripBytes = new MemoryStream();
reply.CopyTo(comicStripBytes);
byte[] imgBytes = comicStripBytes.ToArray();
if (isGifImage(imgBytes))
{
Debug.WriteLine("Image is a GIF");
ExtendedImage gifStrip = new ExtendedImage();
gifStrip.LoadingCompleted +=
(s, args) => {
Debug.WriteLine("GIF loaded. Encoding GIF image to PNG image...");
ExtendedImage gifImage = (ExtendedImage)s;
MemoryStream pngBytes = new MemoryStream();
ImageTools.IO.Png.PngEncoder enc = new PngEncoder();
enc.Encode(gifImage, pngBytes);
this.Dispatcher.BeginInvoke(() => {
Debug.WriteLine("Encoding done. Setting PNG bytes to BitmapImage and showing.");
showNewComic(currentComicModel, pngBytes);
});
};
gifStrip.UriSource = new Uri(currentComicModel.imageUrl,
UriKind.Absolute);
}
else
{
Debug.WriteLine("Image is not a GIF. Putting image bytes directly to BitmapImage.");
showNewComic(currentComicModel, comicStripBytes);
}
App.comicListModel.ComicLoading = false;
}