public void PageLoaded(object sender, RoutedEventArgs args)
{
// Create Image element.
Image rotated90 = new Image();
rotated90.Width = 150;
// Create the TransformedBitmap to use as the Image source.
TransformedBitmap tb = new TransformedBitmap();
// Create the source to use as the tb source.
BitmapImage bi = new BitmapImage();
bi.BeginInit();
bi.UriSource = new Uri(@"sampleImages/watermelon.jpg", UriKind.RelativeOrAbsolute);
bi.EndInit();
// Properties must be set between BeginInit and EndInit calls.
tb.BeginInit();
tb.Source = bi;
// Set image rotation.
RotateTransform transform = new RotateTransform(90);
tb.Transform = transform;
tb.EndInit();
// Set the Image source.
rotated90.Source = tb;
//Add Image to the UI
Grid.SetColumn(rotated90, 1);
Grid.SetRow(rotated90, 1);
transformedGrid.Children.Add(rotated90);
}
private void buttonRotate_Click(object sender, RoutedEventArgs e)
{
TransformedBitmap tb = new TransformedBitmap();
tb.BeginInit();
tb.Transform = new RotateTransform(90);
tb.Source = this.imageViewModel.LoadedBitmap;
tb.EndInit();
this.imageViewModel.LoadedBitmap = tb;
this.imageViewModel.ClearPositions();
}
public ShowMyFace()
{
Title = "Show My Face";
///******************************************************************
// 3���� ShowMyFace ����
//******************************************************************/
Uri uri = new Uri("http://www.charlespetzold.com/PetzoldTattoo.jpg");
//BitmapImage bitmap = new BitmapImage(uri);
//Image img = new Image();
//img.Source = bitmap;
//Content = img;
///******************************************************************
// p1245 BitmapImage �ڵ�
//******************************************************************/
Image rotated90 = new Image();
TransformedBitmap tb = new TransformedBitmap();
FormatConvertedBitmap fb = new FormatConvertedBitmap();
CroppedBitmap cb = new CroppedBitmap();
// Create the source to use as the tb source.
BitmapImage bi = new BitmapImage();
bi.BeginInit();
bi.UriSource = uri;
bi.EndInit();
//cb.BeginInit();
//cb.Source = bi;
//Int32Rect rect = new Int32Rect();
//rect.X = 220;
//rect.Y = 200;
//rect.Width = 120;
//rect.Height = 80;
//cb.SourceRect = rect;
//cb.EndInit();
fb.BeginInit();
fb.Source = bi;
fb.DestinationFormat = PixelFormats.Gray2;
fb.EndInit();
// Properties must be set between BeginInit and EndInit calls.
tb.BeginInit();
tb.Source = fb;
// Set image rotation.
tb.Transform = new RotateTransform(90);
tb.EndInit();
// Set the Image source.
rotated90.Source = tb;
Content = rotated90;
}
public ScannedImagesModel RotateImage( int rotate )
{
var bitmap = GetBitmapImage();
var rotated = new TransformedBitmap();
rotated.BeginInit();
rotated.Source = bitmap;
var transform = new RotateTransform( rotate );
rotated.Transform = transform;
rotated.EndInit();
// get temporary file
var filename = PathUtility.GetTempFileName();
var landscape = ( rotate == 90 || rotate == 270 ) ? !Landscape : Landscape;
SaveImage( rotated, filename );
return new ScannedImagesModel( filename, landscape );
}
private void handleFrameFn(object sender, FrameReadyEventArgs e)
{
// Int32Rect cropRect = new Int32Rect(400, 380, 300, 200);
// BitmapSource croppedImage = new CroppedBitmap(e.BitmapImage, cropRect);
// image4.Source = croppedImage;
if (_rotationAngle != 0)
{
TransformedBitmap tmpImage = new TransformedBitmap();
tmpImage.BeginInit();
tmpImage.Source = e.BitmapImage; // of type BitmapImage
RotateTransform transform = new RotateTransform(_rotationAngle);
tmpImage.Transform = transform;
tmpImage.EndInit();
_dispImage.Source = tmpImage;
}
else
{
_dispImage.Source = e.BitmapImage;
}
}
/// <summary>
/// Resize BitmapSource and reflect Exif orientation to BitmapSource.
/// </summary>
/// <param name="bitmapSource">Source BitmapSource</param>
/// <param name="outerSize">Target outer size</param>
/// <param name="orientation">Exif orientation</param>
/// <returns>Outcome BitmapSource</returns>
private static BitmapSource ResizeAndReflectExifOrientation(BitmapSource bitmapSource, Size outerSize, int orientation)
{
var transform = new TransformGroup();
var centerX = bitmapSource.Width / 2D;
var centerY = bitmapSource.Height / 2D;
bool isRotatedRightAngle = false;
// Reflect Exif orientation.
switch (orientation)
{
case 0: // Invalid
case 1: // Horizontal (normal)
break;
case 2: // Mirror horizontal
transform.Children.Add(new ScaleTransform(-1, 1, centerX, centerY));
break;
case 3: // Rotate 180 clockwise
transform.Children.Add(new RotateTransform(180D, centerX, centerY));
break;
case 4: // Mirror vertical
transform.Children.Add(new ScaleTransform(1, -1, centerX, centerY));
break;
case 5: // Mirror horizontal and rotate 270 clockwise
transform.Children.Add(new ScaleTransform(-1, 1, centerX, centerY));
transform.Children.Add(new RotateTransform(270D, centerX, centerY));
isRotatedRightAngle = true;
break;
case 6: // Rotate 90 clockwise
transform.Children.Add(new RotateTransform(90D, centerX, centerY));
isRotatedRightAngle = true;
break;
case 7: // Mirror horizontal and rotate 90 clockwise
transform.Children.Add(new ScaleTransform(-1, 1, centerX, centerY));
transform.Children.Add(new RotateTransform(90D, centerX, centerY));
isRotatedRightAngle = true;
break;
case 8: // Rotate 270 clockwise
transform.Children.Add(new RotateTransform(270D, centerX, centerY));
isRotatedRightAngle = true;
break;
}
// Resize.
if ((0 < bitmapSource.Width) && (0 < bitmapSource.Height)) // For just in case
{
var factor = new[]
{
(outerSize.Width / (isRotatedRightAngle ? bitmapSource.Height : bitmapSource.Width)), // Scale factor of X
(outerSize.Height / (isRotatedRightAngle ? bitmapSource.Width : bitmapSource.Height)) // Scale factor of Y
}
.Where(x => 0 < x)
.DefaultIfEmpty(1D)
.Min();
transform.Children.Add(new ScaleTransform(factor, factor, centerX, centerY));
}
var bitmapTransformed = new TransformedBitmap();
bitmapTransformed.BeginInit();
bitmapTransformed.Transform = transform;
bitmapTransformed.Source = bitmapSource;
bitmapTransformed.EndInit();
return bitmapTransformed;
}
/// <summary>
/// Scales down and rotates a Wpf bitmap.
/// </summary>
/// <param name="sourceWpf">Original Wpf bitmap</param>
/// <param name="scale">Uniform scaling factor</param>
/// <param name="angle">Rotation angle</param>
/// <returns>Scaled and rotated Wpf bitmap</returns>
private static BitmapSource ScaleDownRotateBitmap(BitmapSource sourceWpf, double scale, int angle)
{
if (angle % 90 != 0)
{
throw new ArgumentException("Rotation angle should be a multiple of 90 degrees.", "angle");
}
// Do not upscale and no rotation.
if ((float)scale >= 1.0f && angle == 0)
{
return sourceWpf;
}
// Set up the transformed thumbnail
TransformedBitmap thumbWpf = new TransformedBitmap();
thumbWpf.BeginInit();
thumbWpf.Source = sourceWpf;
TransformGroup transform = new TransformGroup();
// Rotation
if (Math.Abs(angle) % 360 != 0)
transform.Children.Add(new RotateTransform(Math.Abs(angle)));
// Scale
if ((float)scale < 1.0f || angle < 0) // Only downscale
{
double xScale = Math.Min(1.0, Math.Max(1.0 / (double)sourceWpf.PixelWidth, scale));
double yScale = Math.Min(1.0, Math.Max(1.0 / (double)sourceWpf.PixelHeight, scale));
if (angle < 0)
xScale = -xScale;
transform.Children.Add(new ScaleTransform(xScale, yScale));
}
// Apply the tranformation
thumbWpf.Transform = transform;
thumbWpf.EndInit();
return thumbWpf;
}
private static TransformedBitmap CreateTransformedBitmap(BitmapSource source, VCProfile profile)
{
var transformedBitmap = new TransformedBitmap();
transformedBitmap.BeginInit();
transformedBitmap.Source = source;
var transformGroup = new TransformGroup();
transformGroup.Children.Add(new ScaleTransform(profile.FlipHorizontal ? -1 : 1, profile.FlipVertical ? -1 : 1));
transformGroup.Children.Add(new RotateTransform(ConvertRotationToDegrees(profile.Rotation)));
transformedBitmap.Transform = transformGroup;
transformedBitmap.EndInit();
transformedBitmap.Freeze();
return transformedBitmap;
}
public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
{
if ( value == null || !(value is string)
|| (value as string).Substring (0, 7) == @"Images\"
|| File.Exists (value as string)
|| (value as string).Substring (0, 4).ToLower () == "http"
|| (value as string).Substring (0, 3).ToLower () == "ftp"
)
return (value) ;
string [] sts =(value as string).Split (':') ;
if ( sts.Length == 3 ) {
sts [1] =sts [0] + ":" + sts [1] ;
sts =sts.Where (w => w != sts [0]).ToArray () ;
}
BitmapImage bitmap =null ;
if ( File.Exists (sts [0]) ) {
FileStream zipStream =File.OpenRead (sts [0]) ;
//using ( ZipArchive zip =new ZipArchive (zipStream) ) {
// ZipArchiveEntry icon =zip.GetEntry (sts [1]) ;
// Stream imgStream =icon.Open () ;
// Byte [] buffer =new Byte [icon.Length] ;
// imgStream.Read (buffer, 0, buffer.Length) ;
// var byteStream =new System.IO.MemoryStream (buffer) ;
// bitmap =new BitmapImage () ;
// bitmap.BeginInit () ;
// bitmap.CacheOption =BitmapCacheOption.OnLoad ;
// bitmap.StreamSource =byteStream ;
// bitmap.EndInit () ;
//}
}
BitmapSource source =bitmap ;
if ( bitmap.Format == PixelFormats.Bgra32
|| bitmap.Format == PixelFormats.Prgba64
|| bitmap.Format == PixelFormats.Rgba128Float
|| bitmap.Format == PixelFormats.Rgba64
)
source =AutoCropBitmap (bitmap) as BitmapSource ;
TransformedBitmap scaledBitmap =new TransformedBitmap () ;
scaledBitmap.BeginInit () ;
scaledBitmap.Source =source ;
double scale =100 / source.Width ;
scaledBitmap.Transform =new ScaleTransform (scale, scale, source.Width / 2, source.Height / 2) ;
scaledBitmap.EndInit () ;
return (scaledBitmap) ;
}
/// <summary>
/// 画像を拡大する
/// </summary>
/// <param name="scaleX"></param>
/// <param name="scaleY"></param>
/// <returns></returns>
public TransformedBitmap scaleImage(double scaleX, double scaleY)
{
transimg = null;
if (transimg == null) {
transimg = new TransformedBitmap();
transimg.BeginInit();
transimg.Source = image;
transimg.EndInit();
}
//transimg.BeginInit();
if (scalex >= 0)
{
scalex += scaleX;
scaley += scaleY;
}
else
{
scalex = 1.0;
scaley = 1.0;
}
scale.ScaleX = scalex;
scale.ScaleY = scaley;
//transimg.Source = image;
transimg.Transform = transgroup;
//transimg.EndInit();
Debug.WriteLine("x:" + scale.ScaleX);
Debug.WriteLine("y:" + scale.ScaleY);
Debug.WriteLine("pixel width after:" + transimg.PixelWidth);
return transimg;
}
private byte[] Resize(byte[] bytes, int? width, int? height, int qualityLevel)
{
if (bytes == null)
throw new Exception("Bytes parameter is null.");
var image = new BitmapImage();
image.BeginInit();
if (width.HasValue)
image.DecodePixelWidth = width.Value;
if (height.HasValue)
image.DecodePixelHeight = height.Value;
image.StreamSource = new MemoryStream(bytes);
image.CreateOptions = BitmapCreateOptions.IgnoreColorProfile;
image.EndInit();
var transform = new TransformedBitmap();
transform.BeginInit();
transform.Source = image;
transform.EndInit();
return ToJpegBytes(transform, qualityLevel);
}
private void RotateButton_OnClick (object sender, RoutedEventArgs e)
{
TransformedBitmap RotatedSource = new TransformedBitmap();
RotatedSource.BeginInit ();
RotatedSource.Source = Source;
RotatedSource.Transform = new RotateTransform (90);
RotatedSource.EndInit ();
Source = RotatedSource;
advancedContentPresenter.Background = new ImageBrush(Source);
advancedContentPresenter.FitToBackgroundImage ();
}
public static bool ReCreateThumbnail(string thumbnailImageSource, string thumbnailImageDest, int aThumbWidth, int aThumbHeight, int iRotate, bool aFastMode, bool autocreateLargeThumbs, bool fallBack, bool needOverride)
{
if (!needOverride && File.Exists(thumbnailImageDest) || (string.IsNullOrEmpty(thumbnailImageSource) || string.IsNullOrEmpty(thumbnailImageDest)) || (aThumbHeight <= 0 || aThumbWidth <= 0))
return false;
BitmapSource bitmapSource = (BitmapSource)null;
Bitmap bitmap1 = (Bitmap)null;
Bitmap bitmap2 = (Bitmap)null;
BitmapFrame bitmapFrame = (BitmapFrame)null;
Image aDrawingImage = (Image)null;
TransformedBitmap transformedBitmap = (TransformedBitmap)null;
TransformGroup transformGroup = (TransformGroup)null;
bool flag = false;
int num1 = (int)Thumbs.Quality;
int num2 = aThumbWidth;
Picture.MediaUrl = thumbnailImageSource;
try
{
bitmapFrame = !fallBack ? BitmapFrame.Create(new Uri(Picture.MediaUrl), BitmapCreateOptions.DelayCreation, BitmapCacheOption.None) : BitmapFrame.Create(new Uri(Picture.MediaUrl), BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
if (bitmapFrame.Thumbnail == null)
{
using (ShellObject shellObject = ShellObject.FromParsingName(thumbnailImageSource))
{
shellObject.get_Thumbnail().set_RetrievalOption((ShellThumbnailRetrievalOption)0);
shellObject.get_Thumbnail().set_FormatOption((ShellThumbnailFormatOption)8);
switch (num1)
{
case 0:
bitmap1 = shellObject.get_Thumbnail().get_MediumBitmap();
break;
case 1:
bitmap1 = shellObject.get_Thumbnail().get_LargeBitmap();
break;
case 2:
bitmap1 = shellObject.get_Thumbnail().get_LargeBitmap();
break;
case 3:
bitmap1 = shellObject.get_Thumbnail().get_ExtraLargeBitmap();
break;
case 4:
bitmap1 = shellObject.get_Thumbnail().get_ExtraLargeBitmap();
break;
}
if (!OSInfo.Win8OrLater())
{
switch (iRotate)
{
case 1:
bitmap1.RotateFlip(RotateFlipType.Rotate90FlipNone);
break;
case 2:
bitmap1.RotateFlip(RotateFlipType.Rotate180FlipNone);
break;
case 3:
bitmap1.RotateFlip(RotateFlipType.Rotate270FlipNone);
break;
}
}
if (bitmap1 != null && !autocreateLargeThumbs)
{
int width = aThumbWidth;
int height = aThumbHeight;
double num3 = (double)bitmap1.Width / (double)bitmap1.Height;
if (bitmap1.Width > bitmap1.Height)
height = (int)Math.Floor((double)width / num3);
else
width = (int)Math.Floor(num3 * (double)height);
try
{
GrabUtil.FileDelete(thumbnailImageDest);
}
catch (Exception ex)
{
Log.Error("Picture: Error deleting old thumbnail - {0}", (object)ex.Message);
}
bitmap2 = new Bitmap((Image)bitmap1, width, height);
bitmap2.Save(thumbnailImageDest, Thumbs.ThumbCodecInfo, Thumbs.ThumbEncoderParams);
File.SetAttributes(thumbnailImageDest, File.GetAttributes(thumbnailImageDest) | FileAttributes.Hidden);
flag = true;
}
else
{
int width = aThumbWidth;
int height = aThumbHeight;
double num3 = (double)bitmap1.Width / (double)bitmap1.Height;
if (bitmap1.Width > bitmap1.Height)
height = (int)Math.Floor((double)width / num3);
else
width = (int)Math.Floor(num3 * (double)height);
try
{
GrabUtil.FileDelete(thumbnailImageDest);
}
catch (Exception ex)
{
Log.Error("Picture: Error deleting old thumbnail - {0}", (object)ex.Message);
}
bitmap2 = new Bitmap((Image)bitmap1, width, height);
bitmap2.Save(thumbnailImageDest, Thumbs.ThumbCodecInfo, Thumbs.ThumbEncoderParams);
File.SetAttributes(thumbnailImageDest, File.GetAttributes(thumbnailImageDest) | FileAttributes.Hidden);
flag = true;
}
}
}
else
{
BitmapMetadata meta = bitmapFrame.Metadata as BitmapMetadata;
bitmapSource = bitmapFrame.Thumbnail;
if (autocreateLargeThumbs)
{
if (bitmapSource != null)
{
transformedBitmap = new TransformedBitmap();
transformedBitmap.BeginInit();
transformedBitmap.Source = (BitmapSource)bitmapFrame;
int pixelHeight = bitmapFrame.PixelHeight;
int pixelWidth = bitmapFrame.PixelWidth;
int num3 = bitmapFrame.PixelHeight * num2 / pixelWidth;
double scaleX = (double)num2 / (double)pixelWidth;
double scaleY = (double)num3 / (double)pixelHeight;
transformGroup = new TransformGroup();
transformGroup.Children.Add((Transform)new ScaleTransform(scaleX, scaleY));
transformedBitmap.Transform = (Transform)transformGroup;
transformedBitmap.EndInit();
bitmapSource = (BitmapSource)transformedBitmap;
bitmapSource = Picture.MetaOrientation(meta, bitmapSource);
flag = Picture.BitmapFromSource(bitmapSource, thumbnailImageDest);
}
}
else if (bitmapSource != null)
{
bitmapSource = Picture.MetaOrientation(meta, bitmapSource);
flag = Picture.BitmapFromSource(bitmapSource, thumbnailImageDest);
}
}
}
catch (Exception ex1)
{
try
{
try
{
using (FileStream fileStream = new FileStream(thumbnailImageSource, FileMode.Open, FileAccess.Read))
{
using (aDrawingImage = Image.FromStream((Stream)fileStream, true, false))
flag = Picture.CreateThumbnail(aDrawingImage, thumbnailImageDest, aThumbWidth, aThumbHeight, iRotate, aFastMode);
}
}
catch (FileNotFoundException ex2)
{
flag = false;
}
}
catch (Exception ex2)
{
Log.Warn("Picture: Fast loading of thumbnail {0} failed - trying safe fallback now", (object)thumbnailImageDest);
try
{
try
{
using (FileStream fileStream = new FileStream(thumbnailImageDest, FileMode.Open, FileAccess.Read))
{
using (aDrawingImage = Image.FromStream((Stream)fileStream, true, false))
flag = Picture.CreateThumbnail(aDrawingImage, thumbnailImageDest, aThumbWidth, aThumbHeight, iRotate, aFastMode);
}
}
catch (Exception ex3)
{
}
}
catch (FileNotFoundException ex3)
{
flag = false;
}
catch (OutOfMemoryException ex3)
{
Log.Warn("Picture: Creating thumbnail failed - image format is not supported of {0}", (object)thumbnailImageSource);
flag = false;
}
catch (Exception ex3)
{
Log.Info("Pictures: No thumbnail created for -- {0}", (object)thumbnailImageSource);
flag = false;
}
}
}
finally
{
if (bitmap1 != null)
ObjectMethods.SafeDispose((object)bitmap1);
if (bitmapSource != null)
ObjectMethods.SafeDispose((object)bitmapSource);
if (transformedBitmap != null)
ObjectMethods.SafeDispose((object)transformedBitmap);
if (transformGroup != null)
ObjectMethods.SafeDispose((object)transformGroup);
if (bitmap2 != null)
ObjectMethods.SafeDispose((object)bitmap2);
if (Picture.MediaUrl != null)
ObjectMethods.SafeDispose((object)Picture.MediaUrl);
if (bitmapFrame != null)
ObjectMethods.SafeDispose((object)bitmapFrame);
if (aDrawingImage != null)
ObjectMethods.SafeDispose((object)aDrawingImage);
}
return flag;
}
public static BitmapSource Transform(BitmapSource source, Transform transform)
{
if (source == null) throw new ArgumentNullException("source");
if (transform == null) throw new ArgumentNullException("transform");
TransformedBitmap target = new TransformedBitmap();
target.BeginInit();
target.Source = source;
target.Transform = transform;
target.EndInit();
target.Freeze();
return CloneImage(target);
}
private TransformedBitmap getTransformedBitmap(BitmapImage bi, double angle)
{
TransformedBitmap tb = new TransformedBitmap();
tb.BeginInit();
tb.Source = bi;
tb.Transform = new RotateTransform(angle);
tb.EndInit();
return tb;
}
/// <summary>
/// 画像を回転させる
/// </summary>
/// <returns></returns>
public TransformedBitmap rotateImage(bool isLeft)
{
transimg = new TransformedBitmap();
transimg.BeginInit();
if (isLeft)
{
rotate.Angle -= 90;
}
else
{
rotate.Angle += 90;
}
if (rotate.Angle == 360 || rotate.Angle == -360)
{
rotate.Angle = 0;
}
transimg.Source = image;
transimg.Transform = transgroup;
transimg.EndInit();
Debug.WriteLine("rotate"+ rotate.Angle);
return transimg;
}
private Image initializeProjectileImage(Uri spriteUri, bool rotate = false)
{
Image newImage = new Image();
newImage.VerticalAlignment = System.Windows.VerticalAlignment.Top;
newImage.HorizontalAlignment = System.Windows.HorizontalAlignment.Left;
newImage.Margin = getRandomEdge();
TransformedBitmap temp = new TransformedBitmap();
BitmapImage bi = new BitmapImage();
bi.BeginInit();
bi.UriSource = spriteUri;
bi.EndInit();
temp.BeginInit();
temp.Source = bi;
RotateTransform transform;
if (rotate)
{
transform = new RotateTransform(rand.Next(0, 3) * 90);
}
else
{
transform = new RotateTransform(0);
}
temp.Transform = transform;
temp.EndInit();
newImage.Source = temp;
return newImage;
}
private ImageSource GetBitmapSource(LoadImageRequest loadTask, DisplayOptions loadType)
{
DisplayOptions lt = loadType;
Image image = loadTask.Image;
string source = loadTask.Source;
string nSource = source;
string cacheFile = Path.Combine(AppStateSettings.CacheFolder, "Media", nSource.GetSHA1Hash().ToString() + "s" + loadTask.CachHeight + ".png"); // REVIEW TODO: Used Path instead of String concat.
if (File.Exists(cacheFile))
{
nSource = cacheFile;
lt = DisplayOptions.FullResolution;
//return new BitmapImage(new Uri("file://" + cacheFile));
}
ImageSource imageSource = null;
if (!string.IsNullOrWhiteSpace(nSource))
{
Stream imageStream = null;
SourceType sourceType = SourceType.LocalDisk;
image.Dispatcher.Invoke(new ThreadStart(delegate
{
sourceType = Loader.GetSourceType(image);
}));
try
{
if (loadTask.Stream == null)
{
ILoader loader = LoaderFactory.CreateLoader(sourceType, nSource);
imageStream = loader.Load(nSource);
loadTask.Stream = imageStream;
}
else
{
imageStream = new MemoryStream();
loadTask.Stream.Position = 0;
loadTask.Stream.CopyTo(imageStream);
imageStream.Position = 0;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
if (imageStream != null)
{
try
{
if (lt == DisplayOptions.Preview)
{
BitmapFrame bitmapFrame = BitmapFrame.Create(imageStream);
imageSource = bitmapFrame.Thumbnail;
if (imageSource == null) // Preview it is not embedded into the file
{
// we'll make a thumbnail image then ... (too bad as the pre-created one is FAST!)
TransformedBitmap thumbnail = new TransformedBitmap();
thumbnail.BeginInit();
thumbnail.Source = bitmapFrame as BitmapSource;
// we'll make a reasonable sized thumnbail with a height of 240
int pixelH = bitmapFrame.PixelHeight;
int pixelW = bitmapFrame.PixelWidth;
int decodeH = (int)loadTask.CachHeight;
int decodeW = (bitmapFrame.PixelWidth * decodeH) / pixelH;
double scaleX = decodeW / (double)pixelW;
double scaleY = decodeH / (double)pixelH;
TransformGroup transformGroup = new TransformGroup();
transformGroup.Children.Add(new ScaleTransform(scaleX, scaleY));
thumbnail.Transform = transformGroup;
thumbnail.EndInit();
// this will disconnect the stream from the image completely ...
WriteableBitmap writable = new WriteableBitmap(thumbnail);
BitmapFrame frame = BitmapFrame.Create(writable);
var encoder = new PngBitmapEncoder();
encoder.Frames.Add(frame);
using (var stream = File.Create(cacheFile))
{
encoder.Save(stream);
}
writable.Freeze();
imageSource = writable;
}
}
else if (lt == DisplayOptions.FullResolution)
{
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.StreamSource = imageStream;
bitmapImage.EndInit();
imageSource = bitmapImage;
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
if (imageSource == null)
{
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, true);
}));
}
else
{
imageSource.Freeze();
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, false);
}));
}
}
else
{
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, false);
}));
}
return imageSource;
}
private ImageSource GetBitmapSource(LoadImageRequest loadTask, DisplayOptions loadType)
{
Image image = loadTask.Image;
object source = loadTask.Source;
ImageSource imageSource = null;
if (source != null)
{
Stream imageStream = null;
SourceType sourceType = SourceType.LocalDisk;
image.Dispatcher.Invoke(new ThreadStart(delegate
{
sourceType = Loader.GetSourceType(image);
}));
try
{
if (loadType != DisplayOptions.VideoPreview)
{
if (loadTask.Stream == null)
{
ILoader loader = LoaderFactory.CreateLoader(sourceType);
imageStream = loader.Load(source);
loadTask.Stream = imageStream;
}
else
{
imageStream = new MemoryStream();
loadTask.Stream.Position = 0;
loadTask.Stream.CopyTo(imageStream);
imageStream.Position = 0;
}
}
else if (sourceType == SourceType.ZipFile)
{
throw new InvalidOperationException("Can't load video preview from zip file.");
}
}
catch (Exception) { }
if (imageStream != null || loadType == DisplayOptions.VideoPreview)
{
try
{
if (loadType == DisplayOptions.Preview)
{
BitmapFrame bitmapFrame = BitmapFrame.Create(imageStream);
int rotation = GetRotation(bitmapFrame.Metadata as BitmapMetadata);
if (bitmapFrame.Thumbnail != null)
{
BitmapSource src = bitmapFrame.Thumbnail;
// crop black bars if necessary
double ratio = (double)bitmapFrame.PixelWidth / bitmapFrame.PixelHeight;
double thumbRatio = (double)src.PixelWidth / src.PixelHeight;
if (Math.Abs(ratio - thumbRatio) >= 0.01)
{
if (ratio > thumbRatio) // crop top/bottom
{
int newHeight = (int)(src.PixelWidth / ratio);
int top = (src.PixelHeight - newHeight) / 2;
src = new CroppedBitmap(src, new Int32Rect(0, top, src.PixelWidth, newHeight));
}
else // crop left/right
{
int newWidth = (int)(src.PixelHeight * ratio);
int left = (src.PixelWidth - newWidth) / 2;
src = new CroppedBitmap(src, new Int32Rect(left, 0, newWidth, src.PixelHeight));
}
}
TransformedBitmap thumbnail = new TransformedBitmap();
thumbnail.BeginInit();
thumbnail.Source = src;
TransformGroup transformGroup = new TransformGroup();
// rotate according to metadata
transformGroup.Children.Add(new RotateTransform(rotation));
thumbnail.Transform = transformGroup;
thumbnail.EndInit();
imageSource = thumbnail;
}
else // Preview it is not embedded into the file
{
// we'll make a thumbnail image then ... (too bad as the pre-created one is FAST!)
TransformedBitmap thumbnail = new TransformedBitmap();
thumbnail.BeginInit();
thumbnail.Source = bitmapFrame as BitmapSource;
// we'll make a reasonable sized thumnbail with a height of 240
int pixelH = bitmapFrame.PixelHeight;
int pixelW = bitmapFrame.PixelWidth;
int decodeH = 240;
int decodeW = (pixelW * decodeH) / pixelH;
double scaleX = decodeW / (double)pixelW;
double scaleY = decodeH / (double)pixelH;
TransformGroup transformGroup = new TransformGroup();
transformGroup.Children.Add(new ScaleTransform(scaleX, scaleY));
transformGroup.Children.Add(new RotateTransform(rotation));
thumbnail.Transform = transformGroup;
thumbnail.EndInit();
// this will disconnect the stream from the image completely ...
WriteableBitmap writable = new WriteableBitmap(thumbnail);
writable.Freeze();
imageSource = writable;
}
}
else if (loadType == DisplayOptions.Combined || loadType == DisplayOptions.FullResolution)
{
BitmapFrame bitmapFrame = BitmapFrame.Create(imageStream);
int rotation = GetRotation(bitmapFrame.Metadata as BitmapMetadata);
TransformedBitmap bitmapImage = new TransformedBitmap();
bitmapImage.BeginInit();
bitmapImage.Source = bitmapFrame as BitmapSource;
TransformGroup transformGroup = new TransformGroup();
transformGroup.Children.Add(new RotateTransform(rotation));
bitmapImage.Transform = transformGroup;
bitmapImage.EndInit();
WriteableBitmap writable = new WriteableBitmap(bitmapImage);
writable.Freeze();
imageSource = writable;
}
else if (loadType == DisplayOptions.VideoPreview)
{
var player = new MediaPlayer { Volume = 0, ScrubbingEnabled = true };
Uri uri;
if (loadTask.Source is string)
uri = new Uri(loadTask.Source as string);
else if (loadTask.Source is Uri)
uri = loadTask.Source as Uri;
else
throw new InvalidOperationException();
player.Open(uri);
player.Pause();
player.Position = new TimeSpan(0, 0, 20); // go to 20 seconds (if the video is shorter, a black image will be captured)
Thread.Sleep(1000);
int i = 0;
while (i < 10 && (player.NaturalDuration.TimeSpan.TotalSeconds* player.BufferingProgress) <= 20)
{
Thread.Sleep(100);
i++;
}
var pixelW = player.NaturalVideoWidth;
var pixelH = player.NaturalVideoHeight;
int decodeH = 240;
int decodeW = (pixelW * decodeH) / pixelH;
var rtb = new RenderTargetBitmap(decodeW, decodeH, 96, 96, PixelFormats.Pbgra32);
DrawingVisual dv = new DrawingVisual();
using (DrawingContext dc = dv.RenderOpen())
dc.DrawVideo(player, new Rect(0, 0, decodeW, decodeH));
rtb.Render(dv);
imageSource = (ImageSource)BitmapFrame.Create(rtb).GetCurrentValueAsFrozen();
player.Close();
}
}
catch (Exception) { }
}
if (imageSource == null)
{
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, true);
}));
}
else
{
imageSource.Freeze();
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, false);
}));
}
}
else
{
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, false);
}));
}
return imageSource;
}
internal override void FinalizeCreation()
{
_bitmapInit.EnsureInitializedComplete();
Uri uri = UriSource;
if (_baseUri != null)
{
uri = new Uri(_baseUri, UriSource);
}
if ((CreateOptions & BitmapCreateOptions.IgnoreImageCache) != 0)
{
ImagingCache.RemoveFromImageCache(uri);
}
BitmapImage bitmapImage = CheckCache(uri);
if (bitmapImage != null &&
bitmapImage.CheckAccess() &&
bitmapImage.SourceRect.Equals(SourceRect) &&
bitmapImage.DecodePixelWidth == DecodePixelWidth &&
bitmapImage.DecodePixelHeight == DecodePixelHeight &&
bitmapImage.Rotation == Rotation &&
(bitmapImage.CreateOptions & BitmapCreateOptions.IgnoreColorProfile) ==
(CreateOptions & BitmapCreateOptions.IgnoreColorProfile)
)
{
_syncObject = bitmapImage.SyncObject;
lock (_syncObject)
{
WicSourceHandle = bitmapImage.WicSourceHandle;
IsSourceCached = bitmapImage.IsSourceCached;
_convertedDUCEPtr = bitmapImage._convertedDUCEPtr;
//
// We nee d to keep the strong reference to the cached image for a few reasons:
//
// The application may release the original cached image and then keep a
// reference to this image only, in which case, the cache can be collected.
// This will cause a few undesirable results:
// 1. The application may choose to decode the same URI again in which case
// we will not retrieve it from the cache even though we have a copy already
// decoded.
// 2. The original cached image holds onto the file stream indirectly which if
// collected can cause bad behavior if the entire image is not loaded into
// memory.
//
_cachedBitmapImage = bitmapImage;
}
UpdateCachedSettings();
return;
}
BitmapDecoder decoder = null;
if (_decoder == null)
{
// Note: We do not want to insert in the cache if there is a chance that
// the decode pixel width/height may cause the decoder LOD to change
decoder = BitmapDecoder.CreateFromUriOrStream(
_baseUri,
UriSource,
StreamSource,
CreateOptions & ~BitmapCreateOptions.DelayCreation,
BitmapCacheOption.None, // do not cache the frames since we will do that here
_uriCachePolicy,
false
);
if (decoder.IsDownloading)
{
_isDownloading = true;
_decoder = decoder;
decoder.DownloadProgress += OnDownloadProgress;
decoder.DownloadCompleted += OnDownloadCompleted;
decoder.DownloadFailed += OnDownloadFailed;
}
else
{
Debug.Assert(decoder.SyncObject != null);
}
}
else
{
// We already had a decoder, meaning we were downloading
Debug.Assert(!_decoder.IsDownloading);
decoder = _decoder;
_decoder = null;
}
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames));
}
BitmapFrame frame = decoder.Frames[0];
BitmapSource source = frame;
Int32Rect sourceRect = SourceRect;
if (sourceRect.X == 0 && sourceRect.Y == 0 &&
sourceRect.Width == source.PixelWidth &&
sourceRect.Height == source.PixelHeight)
{
sourceRect = Int32Rect.Empty;
}
if (!sourceRect.IsEmpty)
{
CroppedBitmap croppedSource = new CroppedBitmap();
croppedSource.BeginInit();
croppedSource.Source = source;
croppedSource.SourceRect = sourceRect;
croppedSource.EndInit();
source = croppedSource;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment below.
source.UnregisterDownloadEventSource();
}
}
int finalWidth = DecodePixelWidth;
int finalHeight = DecodePixelHeight;
if (finalWidth == 0 && finalHeight == 0)
{
finalWidth = source.PixelWidth;
finalHeight = source.PixelHeight;
}
else if (finalWidth == 0)
{
finalWidth = (source.PixelWidth * finalHeight) / source.PixelHeight;
}
else if (finalHeight == 0)
{
finalHeight = (source.PixelHeight * finalWidth) / source.PixelWidth;
}
if (finalWidth != source.PixelWidth || finalHeight != source.PixelHeight ||
Rotation != Rotation.Rotate0)
{
TransformedBitmap transformedSource = new TransformedBitmap();
transformedSource.BeginInit();
transformedSource.Source = source;
TransformGroup transformGroup = new TransformGroup();
if (finalWidth != source.PixelWidth || finalHeight != source.PixelHeight)
{
int oldWidth = source.PixelWidth;
int oldHeight = source.PixelHeight;
Debug.Assert(oldWidth > 0 && oldHeight > 0);
transformGroup.Children.Add(
new ScaleTransform(
(1.0 * finalWidth) / oldWidth,
(1.0 * finalHeight) / oldHeight));
}
if (Rotation != Rotation.Rotate0)
{
double rotation = 0.0;
switch (Rotation)
{
case Rotation.Rotate0:
rotation = 0.0;
break;
case Rotation.Rotate90:
rotation = 90.0;
break;
case Rotation.Rotate180:
rotation = 180.0;
break;
case Rotation.Rotate270:
rotation = 270.0;
break;
default:
Debug.Assert(false);
break;
}
transformGroup.Children.Add(new RotateTransform(rotation));
}
transformedSource.Transform = transformGroup;
transformedSource.EndInit();
source = transformedSource;
if (_isDownloading)
{
//
// If we're currently downloading, then the BitmapFrameDecode isn't actually
// the image, it's just a 1x1 placeholder. The chain we're currently building
// will be replaced with another chain once download completes, so there's no
// need to have this chain handle DownloadCompleted.
//
// Having this chain handle DownloadCompleted is actually a bad thing. Because
// the dummy is just 1x1, the TransformedBitmap we're building here will have
// a large scaling factor (to scale the image from 1x1 up to whatever
// DecodePixelWidth/Height specifies). When the TransformedBitmap receives
// DownloadCompleted from the BFD, it will call into WIC to create a new
// bitmap scaler using the same large scaling factor, which can produce a huge
// bitmap (since the BFD is now no longer 1x1). This problem is made worse if
// this BitmapImage has BitmapCacheOption.OnLoad, since that will put a
// CachedBitmap after the TransformedBitmap. When DownloadCompleted propagates
// from the TransformedBitmap down to the CachedBitmap, the CachedBitmap will
// call CreateBitmapFromSource using the TransformedBitmap, which calls
// CopyPixels on the huge TransformedBitmap. We want to avoid chewing up the
// CPU and the memory, so we unregister the download event handlers here.
//
source.UnregisterDownloadEventSource();
}
}
//
// If the original image has a color profile and IgnoreColorProfile is not one of the create options,
// apply the profile so bits are color-corrected.
//
if ((CreateOptions & BitmapCreateOptions.IgnoreColorProfile) == 0 &&
frame.ColorContexts != null &&
frame.ColorContexts[0] != null &&
frame.ColorContexts[0].IsValid &&
source.Format.Format != PixelFormatEnum.Extended
)
{
// NOTE: Never do this for a non-MIL pixel format, because the format converter has
// special knowledge to deal with the profile
PixelFormat duceFormat = BitmapSource.GetClosestDUCEFormat(source.Format, source.Palette);
bool changeFormat = (source.Format != duceFormat);
ColorContext destinationColorContext;
// We need to make sure, we can actually create the ColorContext for the destination duceFormat
// If the duceFormat is gray or scRGB, the following is not supported, so we cannot
// create the ColorConvertedBitmap
try
{
destinationColorContext = new ColorContext(duceFormat);
}
catch (NotSupportedException)
{
destinationColorContext = null;
}
if (destinationColorContext != null)
{
bool conversionSuccess = false;
bool badColorContext = false;
// First try if the color converter can handle the source format directly
// Its possible that the color converter does not support certain pixelformats, so put a try/catch here.
try
{
ColorConvertedBitmap colorConvertedBitmap = new ColorConvertedBitmap(
source,
frame.ColorContexts[0],
destinationColorContext,
duceFormat
);
source = colorConvertedBitmap;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
conversionSuccess = true;
}
catch (NotSupportedException)
{
}
catch (FileFormatException)
{
// If the file contains a bad color context, we catch the exception here
// and don't bother trying the color conversion below, since color transform isn't possible
// with the given color context.
badColorContext = true;
}
if (!conversionSuccess && !badColorContext && changeFormat)
{ // If the conversion failed, we first use
// a FormatConvertedBitmap, and then Color Convert that one...
FormatConvertedBitmap formatConvertedBitmap = new FormatConvertedBitmap(source, duceFormat, source.Palette, 0.0);
ColorConvertedBitmap colorConvertedBitmap = new ColorConvertedBitmap(
formatConvertedBitmap,
frame.ColorContexts[0],
destinationColorContext,
duceFormat
);
source = colorConvertedBitmap;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
}
}
}
if (CacheOption != BitmapCacheOption.None)
{
try
{
// The bitmaps bits could be corrupt, and this will cause an exception if the CachedBitmap forces a decode.
CachedBitmap cachedSource = new CachedBitmap(source, CreateOptions & ~BitmapCreateOptions.DelayCreation, CacheOption);
source = cachedSource;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
}
catch (Exception e)
{
RecoverFromDecodeFailure(e);
CreationCompleted = true; // we're bailing out because the decode failed
return;
}
}
// If CacheOption == OnLoad, no need to keep the stream around
if (decoder != null && CacheOption == BitmapCacheOption.OnLoad)
{
decoder.CloseStream();
}
else if (CacheOption != BitmapCacheOption.OnLoad)
{
//ensure that we don't GC the source
_finalSource = source;
}
WicSourceHandle = source.WicSourceHandle;
IsSourceCached = source.IsSourceCached;
CreationCompleted = true;
UpdateCachedSettings();
// Only insert in the imaging cache if download is complete
if (!IsDownloading)
{
InsertInCache(uri);
}
}
private static Ruban GenRuban(string str, FrameworkElement uc, Base.LibGroup tuple, bool gray)
{
Ruban rb = null;
if (str == "C0")
rb = new Ruban(uc.TryFindResource("tuxCard000") as Image, 0);
else if (str.StartsWith("C"))
{
ushort ut = ushort.Parse(str.Substring(1));
Tux tux = tuple.TL.DecodeTux(ut);
if (tux != null)
{
Image image = uc.TryFindResource("tuxCard" + tux.Code) as Image;
if (image != null)
rb = new Ruban(image, ut);
else
rb = new Ruban(uc.TryFindResource("tuxCard000") as Image, ut);
}
else
rb = new Ruban(uc.TryFindResource("tuxCard000") as Image, ut);
rb.ToolTip = Tips.IchiDisplay.GetTuxTip(tuple, ut);
}
else if (str.StartsWith("M"))
{
ushort ut = ushort.Parse(str.Substring(1));
NMB nmb = NMBLib.Decode(ut, tuple.ML, tuple.NL);
if (nmb != null)
{
Image image = uc.TryFindResource("monCard" + nmb.Code) as Image;
Image2Gray(ref image, gray);
if (image != null)
rb = new Ruban(image, ut);
else
rb = new Ruban(uc.TryFindResource("monCard000") as Image, ut);
if (nmb.IsMonster())
rb.ToolTip = Tips.IchiDisplay.GetMonTip(tuple, NMBLib.OriginalMonster(ut));
else if (nmb.IsNPC())
rb.ToolTip = Tips.IchiDisplay.GetNPCTip(tuple, NMBLib.OriginalNPC(ut));
}
else
rb = new Ruban(uc.TryFindResource("monCard000") as Image, ut);
}
else if (str.StartsWith("H0"))
rb = new Ruban(uc.TryFindResource("hroCard000") as Image, 0);
else if (str.StartsWith("H"))
{
ushort ut = ushort.Parse(str.Substring("H".Length));
Hero hro = tuple.HL.InstanceHero(ut);
if (hro != null)
{
Image image = uc.TryFindResource("hroCard" + hro.Ofcode) as Image;
Image2Gray(ref image, gray);
if (image != null)
rb = new Ruban(image, ut);
else
rb = new Ruban(uc.TryFindResource("hroCard000") as Image, ut);
}
else rb = new Ruban(uc.TryFindResource("hroCard000") as Image, ut);
rb.ToolTip = Tips.IchiDisplay.GetHeroTip(tuple, ut);
}
else if (str.StartsWith("D"))
{
ushort ut = ushort.Parse(str.Substring("D".Length));
Image image = uc.TryFindResource("diceImg" + ut) as Image;
if (image != null)
rb = new Ruban(image, ut);
else
rb = new Ruban(uc.TryFindResource("diceImg000") as Image, ut);
rb.ToolTip = null;
}
else if (str.StartsWith("G"))
{
ushort dbSerial = ushort.Parse(str.Substring("G".Length));
Tux tux = tuple.TL.EncodeTuxDbSerial(dbSerial);
if (tux != null)
{
Image image = uc.TryFindResource("tuxCard" + tux.Code) as Image;
Image2Gray(ref image, gray);
if (image != null)
rb = new Ruban(image, dbSerial);
else
rb = new Ruban(uc.TryFindResource("tuxCard000") as Image, dbSerial);
rb.ToolTip = Tips.IchiDisplay.GetTuxDbSerialTip(tuple, dbSerial);
}
else
rb = new Ruban(uc.TryFindResource("tuxCard000") as Image, dbSerial);
}
else if (str.StartsWith("I"))
{
ushort ut = ushort.Parse(str.Substring("I".Length));
Image image = uc.TryFindResource("exspCard" + ut) as Image;
if (image != null)
rb = new Ruban(image, ut);
else
rb = new Ruban(uc.TryFindResource("diceImg000") as Image, ut);
rb.ToolTip = Tips.IchiDisplay.GetExspTip(tuple, "I" + ut);
}
else if (str.StartsWith("E0"))
{
Image image = uc.TryFindResource("eveCard000") as Image;
image.RenderTransform = new RotateTransform(90);
rb = new Ruban(image, 0);
}
else if (str.StartsWith("E"))
{
ushort ut = ushort.Parse(str.Substring("E".Length));
Evenement eve = tuple.EL.DecodeEvenement(ut);
Image image = uc.TryFindResource("eveCard" + eve.Code) as Image
?? uc.TryFindResource("eveCard000") as Image;
FormatConvertedBitmap bp = new FormatConvertedBitmap();
bp.BeginInit();
bp.Source = image.Source as BitmapSource;
bp.EndInit();
TransformedBitmap tb = new TransformedBitmap();
tb.BeginInit();
tb.Source = bp;
tb.Transform = new RotateTransform(90);
tb.EndInit();
image = new Image() { Source = tb };
Image2Gray(ref image, gray);
rb = new Ruban(image, ut);
rb.ToolTip = Tips.IchiDisplay.GetEveTip(tuple, ut);
}
else if (str.StartsWith("R"))
{
ushort ut = ushort.Parse(str.Substring("R".Length));
Image image = uc.TryFindResource("runeCard" + ut) as Image;
if (image != null)
rb = new Ruban(image, ut);
else
rb = new Ruban(uc.TryFindResource("runeCard000") as Image, ut);
rb.ToolTip = Tips.IchiDisplay.GetRuneTip(tuple, ut);
}
else if (str.StartsWith("V"))
{
ushort ut = ushort.Parse(str.Substring("V".Length));
Image image = uc.TryFindResource("fiveImg" + ut) as Image;
if (image != null)
rb = new Ruban(image, ut);
else
rb = new Ruban(uc.TryFindResource("diceImg000") as Image, ut);
rb.ToolTip = Tips.IchiDisplay.GetFiveTip(tuple, ut);
}
return rb;
}
private ImageSource GetBitmapSource(LoadImageRequest loadTask, DisplayOptions loadType)
{
Image image = loadTask.Image;
string source = loadTask.Source;
ImageSource imageSource = null;
if (!string.IsNullOrWhiteSpace(source))
{
Stream imageStream = null;
SourceType sourceType = SourceType.LocalDisk;
image.Dispatcher.Invoke(new ThreadStart(delegate
{
sourceType = Loader.GetSourceType(image);
}));
try
{
if (loadTask.Stream == null)
{
ILoader loader = LoaderFactory.CreateLoader(sourceType);
imageStream = loader.Load(source);
loadTask.Stream = imageStream;
}
else
{
imageStream = new MemoryStream();
loadTask.Stream.Position = 0;
loadTask.Stream.CopyTo(imageStream);
imageStream.Position = 0;
}
}
catch (Exception) { }
if (imageStream != null)
{
try
{
if (loadType == DisplayOptions.Preview)
{
BitmapFrame bitmapFrame = BitmapFrame.Create(imageStream);
imageSource = bitmapFrame.Thumbnail;
if (imageSource == null) // Preview it is not embedded into the file
{
// we'll make a thumbnail image then ... (too bad as the pre-created one is FAST!)
TransformedBitmap thumbnail = new TransformedBitmap();
thumbnail.BeginInit();
thumbnail.Source = bitmapFrame as BitmapSource;
// we'll make a reasonable sized thumnbail with a height of 240
int pixelH = bitmapFrame.PixelHeight;
int pixelW = bitmapFrame.PixelWidth;
int decodeH = 240;
int decodeW = (bitmapFrame.PixelWidth * decodeH) / pixelH;
double scaleX = decodeW / (double)pixelW;
double scaleY = decodeH / (double)pixelH;
TransformGroup transformGroup = new TransformGroup();
transformGroup.Children.Add(new ScaleTransform(scaleX, scaleY));
thumbnail.Transform = transformGroup;
thumbnail.EndInit();
// this will disconnect the stream from the image completely ...
WriteableBitmap writable = new WriteableBitmap(thumbnail);
writable.Freeze();
imageSource = writable;
}
}
else if (loadType == DisplayOptions.FullResolution)
{
BitmapImage bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.StreamSource = imageStream;
bitmapImage.EndInit();
imageSource = bitmapImage;
}
}
catch (Exception) { }
}
if (imageSource == null)
{
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, true);
}));
}
else
{
imageSource.Freeze();
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, false);
}));
}
}
else
{
image.Dispatcher.BeginInvoke(new ThreadStart(delegate
{
Loader.SetErrorDetected(image, false);
}));
}
return imageSource;
}
BitmapSource GetBitmapSourceFromFile (String FileName, double PictureWidth, double PictureHeight)
{
BitmapImage InputBitmapImage = new BitmapImage ();
InputBitmapImage.BeginInit ();
InputBitmapImage.UriSource = new Uri (FileName);
InputBitmapImage.EndInit ();
double Width = InputBitmapImage.PixelWidth;
double Height = InputBitmapImage.PixelHeight;
double InputAspectRatio = Width / Height;
double FrameAspectRatio = (double) PictureWidth / (double) PictureHeight;
double ScalingX = PictureWidth / Width;
double ScalingY = PictureHeight / Height;
//if (InputAspectRatio >= FrameAspectRatio)
// Scaling = PictureWidth / Width;
//else
// Scaling = PictureHeight / Height;
TransformedBitmap ResultBitmapImage = new TransformedBitmap ();
ResultBitmapImage.BeginInit ();
ResultBitmapImage.Source = InputBitmapImage;
ResultBitmapImage.Transform = new ScaleTransform (ScalingX, ScalingY, Width / 2, Height / 2);
ResultBitmapImage.EndInit ();
return ResultBitmapImage;
}
private BitmapSource GetBildBitmapSourceFromContentRow (DataRow FrameContentRow, DataRow FrameRow, Rect DrawingRect)
{
if (m_Pkg == null)
return null;
List<String> AvailablePictures = m_Pkg.GetOriginalDocumentNamesInPackage ();
String PictureName = String.Empty;
if (FrameRow ["Typ"].ToString () == "Bild")
PictureName = FrameContentRow ["NameID"].ToString ();
if (FrameRow ["Typ"].ToString () == "Logo")
PictureName = FrameContentRow ["PictureName"].ToString ();
if (FrameRow ["Typ"].ToString () == "Video")
{
PictureName = "VideoDesignPattern";
AvailablePictures.Add ("\\VideoDesignPattern.png");
}
if (String.IsNullOrEmpty (PictureName))
return null;
foreach (String AvailablePicture in AvailablePictures)
{
try
{
if (AvailablePicture.IndexOf ("\\" + PictureName + ".", StringComparison.OrdinalIgnoreCase) == -1)
continue;
String Extension = Path.GetExtension (AvailablePicture.ToUpper ());
BitmapImage InputBitmapImage = new BitmapImage ();
if (PictureName == "VideoDesignPattern")
{
InputBitmapImage.BeginInit ();
InputBitmapImage.UriSource = new Uri ("pack://application:,,,/CVM;Component/Resources/VideoDesignPattern.png");
InputBitmapImage.CacheOption = BitmapCacheOption.OnLoad;
InputBitmapImage.EndInit ();
}
else
{
Stream BitmapSourceStream = m_Pkg.GetStreamFromOriginalDocumentName (AvailablePicture);
InputBitmapImage.BeginInit ();
InputBitmapImage.StreamSource = BitmapSourceStream;
InputBitmapImage.CacheOption = BitmapCacheOption.OnLoad;
InputBitmapImage.EndInit ();
BitmapSourceStream.Close ();
BitmapSourceStream.Dispose ();
}
double Width = InputBitmapImage.PixelWidth;
double Height = InputBitmapImage.PixelHeight;
double InputAspectRatio = Width / Height;
double FrameAspectRatio = (double) DrawingRect.Width / (double) DrawingRect.Height;
double Scaling = 1;
if (InputAspectRatio >= FrameAspectRatio)
Scaling = DrawingRect.Width / Width;
else
Scaling = DrawingRect.Height / Height;
try
{
TransformedBitmap ResultBitmapImage = new TransformedBitmap();
ResultBitmapImage.BeginInit();
ResultBitmapImage.Source = InputBitmapImage;
ResultBitmapImage.Transform = new ScaleTransform(Scaling, Scaling);
ResultBitmapImage.EndInit();
InputBitmapImage.Freeze();
return ResultBitmapImage;
}
catch (Exception Excp)
{
String MemoryMessage = "PackageName = \"" + PackageName + "\"";
Basics.ShowUsedMemory(MemoryMessage);
Basics.ReportErrorToEventViewer("Beim PackageName = \"" + PackageName + "\"\r\n"
+ "bei FrameContentRow.ID \"" + FrameContentRow["ID"].ToString()
+ "\"\r\nund FrameRow.ID \"" + FrameRow["ID"].ToString()
+ "\"\r\nund AvailablePicture \"" + AvailablePicture
+ "\"\r\nund Scaling \"" + Convert.ToString(Scaling)
+ "\"\r\nund InputBitmapImage.PixelWidth \"" + Convert.ToString (InputBitmapImage.PixelWidth)
+ "\"\r\nund InputBitmapImage.PixelHeight \"" + Convert.ToString (InputBitmapImage.PixelHeight)
+ "\"\r\nund DrawingRect.Width \"" + Convert.ToString(DrawingRect.Width)
+ "\"\r\nund DrawingRect.Height \"" + Convert.ToString(DrawingRect.Height)
+ "\"\r\nist wahrscheinlich die Farbtiefe < \"32 Bit"
+ "\"\r\ntrat folgendes Problem auf\r\n\"" + Excp.ToString() + "\"");
return null;
}
}
catch (Exception Excp)
{
String MemoryMessage = "PackageName = \"" + PackageName + "\"";
Basics.ShowUsedMemory(MemoryMessage);
Basics.ReportErrorToEventViewer("Beim PackageName = \"" + PackageName + "\"\r\n"
+ "bei FrameContentRow.ID \"" + FrameContentRow ["ID"].ToString ()
+ "\"\r\nund FrameRow.ID \"" + FrameRow["ID"].ToString()
+ "\"\r\nund AvailablePicture \"" + AvailablePicture
+ "\"\r\ntrat folgendes Problem auf\r\n\"" + Excp.ToString() + "\"");
continue;
}
}
return null;
}
private TransformedBitmap RotateImg(BitmapImage bi)
{
// Properties must be set between BeginInit and EndInit calls.
TransformedBitmap tb = new TransformedBitmap();
tb.BeginInit();
tb.Source = bi;
// Set image rotation.
RotateTransform transform = new RotateTransform(270);
tb.Transform = transform;
tb.EndInit();
return tb;
}
private static bool Report(int hwnd, int lParam)
{
IntPtr ptr = new IntPtr(hwnd);
tagWINDOWINFO info = new tagWINDOWINFO();
GetWindowInfo(ptr, ref info);
if (IsWindowVisible(ptr) && !IsIconic(ptr) && info.cxWindowBorders > 0 && info.cyWindowBorders > 0)
{
string title = GetText(new IntPtr(hwnd));
if (title != "")
{
WindowSpec spec = new WindowSpec();
spec.Caption = title;
spec.Hwnd = ptr;
spec.Info = info;
Bitmap bm = GetWindowPreview(spec);
BitmapImage bi = ConvertBitmapToBitmapImage(bm);
TransformedBitmap tb = new TransformedBitmap();
tb.BeginInit();
tb.Source = bi;
double ratio = bi.Height / bi.Width;
double newHeight = 150 * ratio;
double scaleX = 150 / bi.Width;
double scaleY = newHeight / bi.Height;
ScaleTransform transform = new ScaleTransform(scaleX, scaleY);
tb.Transform = transform;
tb.EndInit();
spec.Preview = tb;
WindowNames.Add(spec);
}
}
return true;
}
public static void Rotate(int angle,ref BitmapSource img)
{
if (img != null)
{
var tb = new TransformedBitmap();
tb.BeginInit();
tb.Source = img;
var transform = new RotateTransform(angle);
tb.Transform = transform;
tb.EndInit();
img = BitmapSourceToBitmapImage(tb);
}
}
internal override void FinalizeCreation()
{
_bitmapInit.EnsureInitializedComplete();
Uri uri = UriSource;
if (_baseUri != null)
uri = new Uri(_baseUri, UriSource);
if ((CreateOptions & BitmapCreateOptions.IgnoreImageCache) != 0)
{
ImagingCache.RemoveFromImageCache(uri);
}
BitmapImage bitmapImage = CheckCache(uri);
if (bitmapImage != null &&
bitmapImage.CheckAccess() &&
bitmapImage.SourceRect.Equals(SourceRect) &&
bitmapImage.DecodePixelWidth == DecodePixelWidth &&
bitmapImage.DecodePixelHeight == DecodePixelHeight &&
bitmapImage.Rotation == Rotation &&
(bitmapImage.CreateOptions & BitmapCreateOptions.IgnoreColorProfile) ==
(CreateOptions & BitmapCreateOptions.IgnoreColorProfile)
)
{
_syncObject = bitmapImage.SyncObject;
lock (_syncObject)
{
WicSourceHandle = bitmapImage.WicSourceHandle;
IsSourceCached = bitmapImage.IsSourceCached;
_convertedDUCEPtr = bitmapImage._convertedDUCEPtr;
//
// We nee d to keep the strong reference to the cached image for a few reasons:
//
// The application may release the original cached image and then keep a
// reference to this image only, in which case, the cache can be collected.
// This will cause a few undesirable results:
// 1. The application may choose to decode the same URI again in which case
// we will not retrieve it from the cache even though we have a copy already
// decoded.
// 2. The original cached image holds onto the file stream indirectly which if
// collected can cause bad behavior if the entire image is not loaded into
// memory.
//
_cachedBitmapImage = bitmapImage;
}
UpdateCachedSettings();
return;
}
BitmapDecoder decoder = null;
if (_decoder == null)
{
// Note: We do not want to insert in the cache if there is a chance that
// the decode pixel width/height may cause the decoder LOD to change
decoder = BitmapDecoder.CreateFromUriOrStream(
_baseUri,
UriSource,
StreamSource,
CreateOptions & ~BitmapCreateOptions.DelayCreation,
BitmapCacheOption.None, // do not cache the frames since we will do that here
_uriCachePolicy,
false
);
if (decoder.IsDownloading)
{
_isDownloading = true;
_decoder = decoder;
decoder.DownloadProgress += OnDownloadProgress;
decoder.DownloadCompleted += OnDownloadCompleted;
decoder.DownloadFailed += OnDownloadFailed;
}
else
{
Debug.Assert(decoder.SyncObject != null);
}
}
else
{
// We already had a decoder, meaning we were downloading
Debug.Assert(!_decoder.IsDownloading);
decoder = _decoder;
_decoder = null;
}
if (decoder.Frames.Count == 0)
{
throw new System.ArgumentException(SR.Get(SRID.Image_NoDecodeFrames));
}
BitmapFrame frame = decoder.Frames[0];
BitmapSource source = frame;
Int32Rect sourceRect = SourceRect;
if (sourceRect.X == 0 && sourceRect.Y == 0 &&
sourceRect.Width == source.PixelWidth &&
sourceRect.Height == source.PixelHeight)
{
sourceRect = Int32Rect.Empty;
}
if (!sourceRect.IsEmpty)
{
CroppedBitmap croppedSource = new CroppedBitmap();
croppedSource.BeginInit();
croppedSource.Source = source;
croppedSource.SourceRect = sourceRect;
croppedSource.EndInit();
source = croppedSource;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment below.
source.UnregisterDownloadEventSource();
}
}
int finalWidth = DecodePixelWidth;
int finalHeight = DecodePixelHeight;
if (finalWidth == 0 && finalHeight == 0)
{
finalWidth = source.PixelWidth;
finalHeight = source.PixelHeight;
}
else if (finalWidth == 0)
{
finalWidth = (source.PixelWidth * finalHeight) / source.PixelHeight;
}
else if (finalHeight == 0)
{
finalHeight = (source.PixelHeight * finalWidth) / source.PixelWidth;
}
if (finalWidth != source.PixelWidth || finalHeight != source.PixelHeight ||
Rotation != Rotation.Rotate0)
{
TransformedBitmap transformedSource = new TransformedBitmap();
transformedSource.BeginInit();
transformedSource.Source = source;
TransformGroup transformGroup = new TransformGroup();
if (finalWidth != source.PixelWidth || finalHeight != source.PixelHeight)
{
int oldWidth = source.PixelWidth;
int oldHeight = source.PixelHeight;
Debug.Assert(oldWidth > 0 && oldHeight > 0);
transformGroup.Children.Add(
new ScaleTransform(
(1.0*finalWidth)/ oldWidth,
(1.0*finalHeight)/oldHeight));
}
if (Rotation != Rotation.Rotate0)
{
double rotation = 0.0;
switch (Rotation)
{
case Rotation.Rotate0:
rotation = 0.0;
break;
case Rotation.Rotate90:
rotation = 90.0;
break;
case Rotation.Rotate180:
rotation = 180.0;
break;
case Rotation.Rotate270:
rotation = 270.0;
break;
default:
Debug.Assert(false);
break;
}
transformGroup.Children.Add(new RotateTransform(rotation));
}
transformedSource.Transform = transformGroup;
transformedSource.EndInit();
source = transformedSource;
if (_isDownloading)
{
//
// If we're currently downloading, then the BitmapFrameDecode isn't actually
// the image, it's just a 1x1 placeholder. The chain we're currently building
// will be replaced with another chain once download completes, so there's no
// need to have this chain handle DownloadCompleted.
//
// Having this chain handle DownloadCompleted is actually a bad thing. Because
// the dummy is just 1x1, the TransformedBitmap we're building here will have
// a large scaling factor (to scale the image from 1x1 up to whatever
// DecodePixelWidth/Height specifies). When the TransformedBitmap receives
// DownloadCompleted from the BFD, it will call into WIC to create a new
// bitmap scaler using the same large scaling factor, which can produce a huge
// bitmap (since the BFD is now no longer 1x1). This problem is made worse if
// this BitmapImage has BitmapCacheOption.OnLoad, since that will put a
// CachedBitmap after the TransformedBitmap. When DownloadCompleted propagates
// from the TransformedBitmap down to the CachedBitmap, the CachedBitmap will
// call CreateBitmapFromSource using the TransformedBitmap, which calls
// CopyPixels on the huge TransformedBitmap. We want to avoid chewing up the
// CPU and the memory, so we unregister the download event handlers here.
//
source.UnregisterDownloadEventSource();
}
}
//
// If the original image has a color profile and IgnoreColorProfile is not one of the create options,
// apply the profile so bits are color-corrected.
//
if ((CreateOptions & BitmapCreateOptions.IgnoreColorProfile) == 0 &&
frame.ColorContexts != null &&
frame.ColorContexts[0] != null &&
frame.ColorContexts[0].IsValid &&
source.Format.Format != PixelFormatEnum.Extended
)
{
// NOTE: Never do this for a non-MIL pixel format, because the format converter has
// special knowledge to deal with the profile
PixelFormat duceFormat = BitmapSource.GetClosestDUCEFormat(source.Format, source.Palette);
bool changeFormat = (source.Format != duceFormat);
ColorContext destinationColorContext;
// We need to make sure, we can actually create the ColorContext for the destination duceFormat
// If the duceFormat is gray or scRGB, the following is not supported, so we cannot
// create the ColorConvertedBitmap
try
{
destinationColorContext= new ColorContext(duceFormat);
}
catch (NotSupportedException)
{
destinationColorContext = null;
}
if (destinationColorContext != null)
{
bool conversionSuccess = false;
bool badColorContext = false;
// First try if the color converter can handle the source format directly
// Its possible that the color converter does not support certain pixelformats, so put a try/catch here.
try
{
ColorConvertedBitmap colorConvertedBitmap = new ColorConvertedBitmap(
source,
frame.ColorContexts[0],
destinationColorContext,
duceFormat
);
source = colorConvertedBitmap;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
conversionSuccess = true;
}
catch (NotSupportedException)
{
}
catch (FileFormatException)
{
// If the file contains a bad color context, we catch the exception here
// and don't bother trying the color conversion below, since color transform isn't possible
// with the given color context.
badColorContext = true;
}
if (!conversionSuccess && !badColorContext && changeFormat)
{ // If the conversion failed, we first use
// a FormatConvertedBitmap, and then Color Convert that one...
FormatConvertedBitmap formatConvertedBitmap = new FormatConvertedBitmap(source, duceFormat, source.Palette, 0.0);
ColorConvertedBitmap colorConvertedBitmap = new ColorConvertedBitmap(
formatConvertedBitmap,
frame.ColorContexts[0],
destinationColorContext,
duceFormat
);
source = colorConvertedBitmap;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
}
}
}
if (CacheOption != BitmapCacheOption.None)
{
try
{
// The bitmaps bits could be corrupt, and this will cause an exception if the CachedBitmap forces a decode.
CachedBitmap cachedSource = new CachedBitmap(source, CreateOptions & ~BitmapCreateOptions.DelayCreation, CacheOption);
source = cachedSource;
if (_isDownloading)
{
// Unregister the download events because this is a dummy image. See comment above.
source.UnregisterDownloadEventSource();
}
}
catch (Exception e)
{
RecoverFromDecodeFailure(e);
CreationCompleted = true; // we're bailing out because the decode failed
return;
}
}
// If CacheOption == OnLoad, no need to keep the stream around
if (decoder != null && CacheOption == BitmapCacheOption.OnLoad)
{
decoder.CloseStream();
}
else if (CacheOption != BitmapCacheOption.OnLoad)
{
//ensure that we don't GC the source
_finalSource = source;
}
WicSourceHandle = source.WicSourceHandle;
IsSourceCached = source.IsSourceCached;
CreationCompleted = true;
UpdateCachedSettings();
// Only insert in the imaging cache if download is complete
if (!IsDownloading)
{
InsertInCache(uri);
}
}
/// <summary>Exports Slide to an image using a Canvas definition.</summary>
/// <param name="surface">Canvas to draw into.</param>
public BitmapImage Export(Canvas surface)
{
// Save current canvas transform
Transform lyTransform =surface.LayoutTransform ;
// Reset current transform (in case it is scaled or rotated)
surface.LayoutTransform =null ;
// Get the size of canvas
Size size =new Size (surface.Width, surface.Height) ;
// Measure and arrange the surface
surface.Measure (size) ;
surface.Arrange (new Rect (size)) ;
// Create a render bitmap and push the surface to it
RenderTargetBitmap renderBitmap =
new RenderTargetBitmap (
(int)size.Width,
(int)size.Height,
96d, 96d,
PixelFormats.Pbgra32) ;
renderBitmap.Render (surface) ;
// Restore previously saved layout
surface.LayoutTransform =lyTransform ;
// Use png encoder for our data
PngBitmapEncoder encoder =new PngBitmapEncoder () ;
//// Push the rendered bitmap to it
//encoder.Frames.Add (BitmapFrame.Create (renderBitmap)) ;
//BitmapImage bitmapImage =new BitmapImage () ;
//using ( var stream = new MemoryStream () ) {
// encoder.Save (stream) ;
// stream.Seek (0, SeekOrigin.Begin) ;
// bitmapImage.BeginInit () ;
// bitmapImage.CacheOption =BitmapCacheOption.OnLoad ;
// bitmapImage.StreamSource =stream ;
// bitmapImage.EndInit () ;
//}
var tb =new TransformedBitmap () ;
tb.BeginInit () ;
tb.Source =renderBitmap ;
var transform =new ScaleTransform (1, -1, 0, 0) ;
tb.Transform =transform ;
tb.EndInit () ;
BitmapImage bitmapImage =new BitmapImage () ;
encoder =new PngBitmapEncoder () ;
encoder.Frames.Add (BitmapFrame.Create (tb)) ;
MemoryStream memoryStream =new MemoryStream () ;
encoder.Save (memoryStream) ;
bitmapImage.BeginInit () ;
bitmapImage.StreamSource =new MemoryStream (memoryStream.ToArray ()) ;
bitmapImage.EndInit () ;
memoryStream.Close () ;
return (bitmapImage) ;
}
/// <summary>
/// Creates a thumbnail of the specified image
/// </summary>
/// <param name="thumbnailImageSource">The source filename to load a System.Drawing.Image from</param>
/// <param name="thumbnailImageDest">Filename of the thumbnail to create</param>
/// <param name="aThumbWidth">Maximum width of the thumbnail</param>
/// <param name="aThumbHeight">Maximum height of the thumbnail</param>
/// <param name="autocreateLargeThumbs">Auto create large thumbnail</param>
/// <param name="iRotate">
/// 0 = no rotate
/// 1 = rotate 90 degrees
/// 2 = rotate 180 degrees
/// 3 = rotate 270 degrees
/// <param name="fallBack">Needed if generated file need to be delete (for ex in temp folder)</param>
/// </param>
/// <returns>Whether the thumb has been successfully created</returns>
public static bool CreateThumbnail(string thumbnailImageSource, string thumbnailImageDest, int aThumbWidth,
int aThumbHeight, int iRotate, bool aFastMode, bool autocreateLargeThumbs, bool fallBack)
{
if (File.Exists(thumbnailImageDest))
{
return false;
}
if (string.IsNullOrEmpty(thumbnailImageSource) || string.IsNullOrEmpty(thumbnailImageDest) || aThumbHeight <= 0 ||
aThumbHeight <= 0)
{
return false;
}
BitmapSource ret = null;
BitmapMetadata meta = null;
Bitmap shellThumb = null;
Bitmap myTargetThumb = null;
BitmapFrame frame = null;
Image myImage = null;
TransformedBitmap thumbnail = null;
TransformGroup transformGroup = null;
double angle = 0;
bool result = false;
int iQuality = (int) Thumbs.Quality;
int decodeW = aThumbWidth;
MediaUrl = thumbnailImageSource;
try
{
if (fallBack)
{
frame = BitmapFrame.Create(new Uri(MediaUrl), BitmapCreateOptions.None, BitmapCacheOption.OnLoad);
}
else
{
//Try generate Bitmap frame : speedy and low memory !
frame = BitmapFrame.Create(new Uri(MediaUrl), BitmapCreateOptions.DelayCreation,
BitmapCacheOption.None);
}
if (frame.Thumbnail == null) //If it failed try second method (slower and use more memory)
{
using (ShellObject shellFile = ShellObject.FromParsingName(thumbnailImageSource))
{
shellFile.Thumbnail.RetrievalOption = ShellThumbnailRetrievalOption.Default;
shellFile.Thumbnail.FormatOption = ShellThumbnailFormatOption.ThumbnailOnly;
switch (iQuality)
{
case 0:
shellThumb = shellFile.Thumbnail.MediumBitmap;
break;
case 1:
shellThumb = shellFile.Thumbnail.LargeBitmap;
break;
case 2:
shellThumb = shellFile.Thumbnail.LargeBitmap;
break;
case 3:
shellThumb = shellFile.Thumbnail.ExtraLargeBitmap;
break;
case 4:
shellThumb = shellFile.Thumbnail.ExtraLargeBitmap;
break;
default:
break;
}
switch (iRotate)
{
case 1:
shellThumb.RotateFlip(RotateFlipType.Rotate90FlipNone);
break;
case 2:
shellThumb.RotateFlip(RotateFlipType.Rotate180FlipNone);
break;
case 3:
shellThumb.RotateFlip(RotateFlipType.Rotate270FlipNone);
break;
default:
break;
}
if (shellThumb != null && !autocreateLargeThumbs)
{
int iWidth = aThumbWidth;
int iHeight = aThumbHeight;
double fAR = (shellThumb.Width)/((float) shellThumb.Height);
if (shellThumb.Width > shellThumb.Height)
iHeight = (int) Math.Floor((((float) iWidth)/fAR));
else
iWidth = (int) Math.Floor((fAR*((float) iHeight)));
try
{
Util.Utils.FileDelete(thumbnailImageDest);
}
catch (Exception ex)
{
Log.Error("Picture: Error deleting old thumbnail - {0}", ex.Message);
}
// Write small thumbnail
myTargetThumb = new Bitmap(shellThumb, iWidth, iHeight);
myTargetThumb.Save(thumbnailImageDest, Thumbs.ThumbCodecInfo, Thumbs.ThumbEncoderParams);
File.SetAttributes(thumbnailImageDest, File.GetAttributes(thumbnailImageDest) | FileAttributes.Hidden);
result = true;
}
else
{
int iWidth = aThumbWidth;
int iHeight = aThumbHeight;
double fAR = (shellThumb.Width)/((float) shellThumb.Height);
if (shellThumb.Width > shellThumb.Height)
iHeight = (int) Math.Floor((((float) iWidth)/fAR));
else
iWidth = (int) Math.Floor((fAR*((float) iHeight)));
try
{
Util.Utils.FileDelete(thumbnailImageDest);
}
catch (Exception ex)
{
Log.Error("Picture: Error deleting old thumbnail - {0}", ex.Message);
}
// Write Large thumbnail
myTargetThumb = new Bitmap(shellThumb, iWidth, iHeight);
myTargetThumb.Save(thumbnailImageDest, Thumbs.ThumbCodecInfo, Thumbs.ThumbEncoderParams);
File.SetAttributes(thumbnailImageDest, File.GetAttributes(thumbnailImageDest) | FileAttributes.Hidden);
result = true;
}
}
}
else
{
//Detect metas image
meta = frame.Metadata as BitmapMetadata;
ret = frame.Thumbnail;
//if ((meta != null) && (ret != null)) //si on a des meta, tentative de récupération de l'orientation
//{
// if (meta.GetQuery("/app1/ifd/{ushort=274}") != null)
// {
// orientation =
// (ExifOrientations)
// Enum.Parse(typeof (ExifOrientations), meta.GetQuery("/app1/ifd/{ushort=274}").ToString());
// }
// switch (orientation)
// {
// case ExifOrientations.Rotate90:
// angle = -90;
// break;
// case ExifOrientations.Rotate180:
// angle = 180;
// break;
// case ExifOrientations.Rotate270:
// angle = 90;
// break;
// }
// if (angle != 0) //on doit effectuer une rotation de l'image
// {
// ret = new TransformedBitmap(ret.Clone(), new RotateTransform(angle));
// ret.Freeze();
// }
//}
if (autocreateLargeThumbs)
{
if (ret != null)
{
// we'll make a thumbnail image then ... (too bad as the pre-created one is FAST!)
thumbnail = new TransformedBitmap();
thumbnail.BeginInit();
thumbnail.Source = frame as BitmapSource;
// we'll make a reasonable sized thumnbail
int pixelH = frame.PixelHeight;
int pixelW = frame.PixelWidth;
int decodeH = (frame.PixelHeight*decodeW)/pixelW;
double scaleX = decodeW/(double) pixelW;
double scaleY = decodeH/(double) pixelH;
transformGroup = new TransformGroup();
transformGroup.Children.Add(new ScaleTransform(scaleX, scaleY));
thumbnail.Transform = transformGroup;
thumbnail.EndInit();
ret = thumbnail;
// Write Large thumbnail
result = BitmapFromSource(ret, thumbnailImageDest);
}
}
else
{
if (ret != null)
{
// Write small thumbnail
result = BitmapFromSource(ret, thumbnailImageDest);
}
}
}
}
catch (Exception ex)
{
try
{
try
{
myImage = ImageFast.FromFile(thumbnailImageSource);
}
catch (FileNotFoundException)
{
result = false;
}
result = CreateThumbnail(myImage, thumbnailImageDest, aThumbWidth, aThumbHeight, iRotate, aFastMode);
}
catch (Exception)
{
Log.Warn("Picture: Fast loading of thumbnail {0} failed - trying safe fallback now", thumbnailImageDest);
try
{
try
{
myImage = ImageFast.FromFile(thumbnailImageDest);
result = CreateThumbnail(myImage, thumbnailImageDest, aThumbWidth, aThumbHeight, iRotate, aFastMode);
}
catch (Exception)
{
myImage = Image.FromFile(thumbnailImageDest, true);
result = CreateThumbnail(myImage, thumbnailImageDest, aThumbWidth, aThumbHeight, iRotate, aFastMode);
}
}
catch (FileNotFoundException)
{
result = false;
}
catch (OutOfMemoryException)
{
Log.Warn("Picture: Creating thumbnail failed - image format is not supported of {0}", thumbnailImageSource);
result = false;
}
catch (Exception)
{
Log.Info("Pictures: No thumbnail created for -- {0}", thumbnailImageSource);
result = false;
}
}
}
finally
{
if (shellThumb != null)
shellThumb.SafeDispose();
if (ret != null)
ret.SafeDispose();
if (thumbnail != null)
thumbnail.SafeDispose();
if (transformGroup != null)
transformGroup.SafeDispose();
if (myTargetThumb != null)
myTargetThumb.SafeDispose();
if (MediaUrl != null)
MediaUrl.SafeDispose();
if (frame != null)
frame.SafeDispose();
if (myImage != null)
myImage.SafeDispose();
}
if (result && Util.Utils.IsFileExistsCacheEnabled())
{
Log.Debug("CreateThumbnail : FileExistsInCache updated with new file: {0}", thumbnailImageDest);
Util.Utils.DoInsertExistingFileIntoCache(thumbnailImageDest);
}
return result;
}
private static BitmapSource FlipBitmap(BitmapSource flipped, bool flipX, bool flipY)
{
System.Windows.Media.Transform tr = new System.Windows.Media.ScaleTransform((flipX ? -1 : 1), (flipY ? -1 : 1));
TransformedBitmap transformedBmp = new TransformedBitmap();
transformedBmp.BeginInit();
transformedBmp.Source = flipped;
transformedBmp.Transform = tr;
transformedBmp.EndInit();
return transformedBmp;
}
