protected override RequestedAction BuildJob(ImageJob job)
{
if (!"wpf".Equals(job.Settings["builder"])) return RequestedAction.None;
// Estrazione delle ResizeSettings
ResizeSettings settings = job.Settings;
Stream s = null;
bool disposeStream = !(job.Source is Stream);
long originalPosition = 0;
bool restoreStreamPosition = false;
string path;
s = c.CurrentImageBuilder.GetStreamFromSource(job.Source, job.Settings, ref disposeStream, out path, out restoreStreamPosition);
if (s == null) return RequestedAction.None; //We don't support the source object!
if (job.ResetSourceStream) restoreStreamPosition = true;
job.SourcePathData = path;
// Instanzio uno stream locale per le operazioni WPF
using (MemoryStream localStream = (s is MemoryStream) ? (MemoryStream)s : StreamExtensions.CopyToMemoryStream(s))
{
if (s != null && restoreStreamPosition && s.CanSeek)
s.Seek(originalPosition, SeekOrigin.Begin);
if (disposeStream)
s.Dispose();
/* ? ? ? */
IEncoder managedEncoder = c.Plugins.GetEncoder(job.Settings, job.SourcePathData);
bool supportsTransparency = managedEncoder.SupportsTransparency;
// Recupero le dimensioni originali
var frame = BitmapFrame.Create(StreamExtensions.CopyToMemoryStream(localStream));
System.Windows.Size originalSize = new System.Windows.Size(frame.PixelWidth, frame.PixelHeight);
// Resetto lo stream locale alla posizione iniziale, dopo aver letto i metadata
localStream.Position = 0;
// Uhm... sono costretto a referenziare le System.Drawing (GDI) per questo,
// TODO: chiedere al tipo se si può prevedere un costruttore di ImageState che non preveda un System.Drawing.Size come parametro
System.Drawing.Size orig = new System.Drawing.Size((int)originalSize.Width, (int)originalSize.Height);
using (ImageState imageState = new ImageState(settings, orig, true))
{
c.CurrentImageBuilder.Process(imageState);
Rectangle imageDest = PolygonMath.ToRectangle(PolygonMath.GetBoundingBox(imageState.layout["image"]));
BitmapSource finalImage;
BitmapImage bi = new BitmapImage();
bi.CacheOption = BitmapCacheOption.OnLoad;
bi.BeginInit();
bi.StreamSource = localStream;
WpfImageSettings wpfImageSettings = imageState.WpfDestinationImageSettings(settings);
bi.DecodePixelWidth = Convert.ToInt32(wpfImageSettings.DestinationImageWidth);
bi.DecodePixelHeight = Convert.ToInt32(wpfImageSettings.DestinationImageHeight);
bi.EndInit();
// Creation of the encoder
WpfEncoderPlugin wpfEncoder = new WpfEncoderPlugin(settings, job.SourcePathData);
RenderTargetBitmap final = new RenderTargetBitmap(imageState.finalSize.Width, imageState.finalSize.Height, settings.Get<int>("dpi", 96), settings.Get<int>("dpi", 96), PixelFormats.Default);
DrawingVisual dv = new DrawingVisual();
using (DrawingContext dc = dv.RenderOpen())
{
string ARGBBackgroundColor = String.Format("#{0:X2}{1:X2}{2:X2}{3:X2}", wpfEncoder.MimeType.Equals("image/jpeg") ? 255 : settings.BackgroundColor.A,
settings.BackgroundColor.R,
settings.BackgroundColor.G,
settings.BackgroundColor.B);
System.Windows.Media.Brush BrushBackgroundColor = new System.Windows.Media.SolidColorBrush((System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString(ARGBBackgroundColor));
/* todo: verificare */
dc.DrawRectangle(BrushBackgroundColor, null, new Rect(0, 0, wpfImageSettings.DestinationImageWidth, wpfImageSettings.DestinationImageHeight));
Rect rect = new Rect(wpfImageSettings.OffsetX, wpfImageSettings.OffsetY, wpfImageSettings.DestinationImageWidth, wpfImageSettings.DestinationImageHeight);
//dc.PushTransform(new RotateTransform(settings.Rotate, (double)imageState.finalSize.Width / 2, (double)imageState.finalSize.Height / 2));
dc.DrawImage(bi, rect);
}
final.Render(dv);
finalImage = final;
// Write the image to the output stream
wpfEncoder.Write(finalImage, (Stream)job.Dest);
}
}
return RequestedAction.None;
}
protected override RequestedAction BuildJob(ImageJob job)
{
if (!"wpf".Equals(job.Settings["builder"]))
{
return(RequestedAction.None);
}
// Estrazione delle ResizeSettings
ResizeSettings settings = job.Settings;
Stream s = null;
bool disposeStream = !(job.Source is Stream);
long originalPosition = 0;
bool restoreStreamPosition = false;
string path;
s = c.CurrentImageBuilder.GetStreamFromSource(job.Source, job.Settings, ref disposeStream, out path, out restoreStreamPosition);
if (s == null)
{
return(RequestedAction.None); //We don't support the source object!
}
if (job.ResetSourceStream)
{
restoreStreamPosition = true;
}
job.SourcePathData = path;
// Instanzio uno stream locale per le operazioni WPF
using (MemoryStream localStream = (s is MemoryStream) ? (MemoryStream)s : StreamExtensions.CopyToMemoryStream(s))
{
if (s != null && restoreStreamPosition && s.CanSeek)
{
s.Seek(originalPosition, SeekOrigin.Begin);
}
if (disposeStream)
{
s.Dispose();
}
/* ? ? ? */
IEncoder managedEncoder = c.Plugins.GetEncoder(job.Settings, job.SourcePathData);
bool supportsTransparency = managedEncoder.SupportsTransparency;
// Recupero le dimensioni originali
var frame = BitmapFrame.Create(StreamExtensions.CopyToMemoryStream(localStream));
System.Windows.Size originalSize = new System.Windows.Size(frame.PixelWidth, frame.PixelHeight);
// Resetto lo stream locale alla posizione iniziale, dopo aver letto i metadata
localStream.Position = 0;
// Uhm... sono costretto a referenziare le System.Drawing (GDI) per questo,
// TODO: chiedere al tipo se si può prevedere un costruttore di ImageState che non preveda un System.Drawing.Size come parametro
System.Drawing.Size orig = new System.Drawing.Size((int)originalSize.Width, (int)originalSize.Height);
using (ImageState imageState = new ImageState(settings, orig, true))
{
c.CurrentImageBuilder.Process(imageState);
Rectangle imageDest = PolygonMath.ToRectangle(PolygonMath.GetBoundingBox(imageState.layout["image"]));
BitmapSource finalImage;
BitmapImage bi = new BitmapImage();
bi.CacheOption = BitmapCacheOption.OnLoad;
bi.BeginInit();
bi.StreamSource = localStream;
WpfImageSettings wpfImageSettings = imageState.WpfDestinationImageSettings(settings);
bi.DecodePixelWidth = Convert.ToInt32(wpfImageSettings.DestinationImageWidth);
bi.DecodePixelHeight = Convert.ToInt32(wpfImageSettings.DestinationImageHeight);
bi.EndInit();
// Creation of the encoder
WpfEncoderPlugin wpfEncoder = new WpfEncoderPlugin(settings, job.SourcePathData);
RenderTargetBitmap final = new RenderTargetBitmap(imageState.finalSize.Width, imageState.finalSize.Height, settings.Get <int>("dpi", 96), settings.Get <int>("dpi", 96), PixelFormats.Default);
DrawingVisual dv = new DrawingVisual();
using (DrawingContext dc = dv.RenderOpen())
{
string ARGBBackgroundColor = String.Format("#{0:X2}{1:X2}{2:X2}{3:X2}", wpfEncoder.MimeType.Equals("image/jpeg") ? 255 : settings.BackgroundColor.A,
settings.BackgroundColor.R,
settings.BackgroundColor.G,
settings.BackgroundColor.B);
System.Windows.Media.Brush BrushBackgroundColor = new System.Windows.Media.SolidColorBrush((System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString(ARGBBackgroundColor));
/* todo: verificare */
dc.DrawRectangle(BrushBackgroundColor, null, new Rect(0, 0, wpfImageSettings.DestinationImageWidth, wpfImageSettings.DestinationImageHeight));
Rect rect = new Rect(wpfImageSettings.OffsetX, wpfImageSettings.OffsetY, wpfImageSettings.DestinationImageWidth, wpfImageSettings.DestinationImageHeight);
//dc.PushTransform(new RotateTransform(settings.Rotate, (double)imageState.finalSize.Width / 2, (double)imageState.finalSize.Height / 2));
dc.DrawImage(bi, rect);
}
final.Render(dv);
finalImage = final;
// Write the image to the output stream
wpfEncoder.Write(finalImage, (Stream)job.Dest);
}
}
return(RequestedAction.None);
}
