protected static void Export(IPresentationImage image, string filePath, ExportImageParams exportParams, ImageCodecInfo encoder, EncoderParameters encoderParameters)
{
using (Bitmap bmp = DrawToBitmap(image, exportParams))
{
Export(bmp, filePath, encoder, encoderParameters);
}
}
protected static void Export(IPresentationImage image, string filePath, ExportImageParams exportParams, ImageFormat imageFormat)
{
using (Bitmap bmp = DrawToBitmap(image, exportParams))
{
Export(bmp, filePath, imageFormat);
}
}
private void ExportSingleImage(IPresentationImage image, ExportImageParams exportParams)
{
image = GetImageForExport(image);
string fileName = _fileNamingStrategy.GetSingleImageFileName(image, FileExtension);
SelectedImageExporter.Export(image, fileName, exportParams);
ReportProgress(fileName, ++_progress);
}
private ExportImageParams GetExportParams(ClipboardItem clipboardItem)
{
ExportImageParams exportParams = new ExportImageParams();
exportParams.ExportOption = ExportOption;
exportParams.DisplayRectangle = clipboardItem.DisplayRectangle;
exportParams.Scale = Scale;
exportParams.SizeMode = SizeMode;
exportParams.OutputSize = new Size(Width, Height);
exportParams.BackgroundColor = BackgroundColor;
return(exportParams);
}
private void ExportDisplaySet(IDisplaySet displaySet, ExportImageParams exportParams)
{
foreach (ImageFileNamePair pair in _fileNamingStrategy.GetImagesAndFileNames(displaySet, FileExtension))
{
if (IsAsynchronous && _taskContext.CancelRequested)
{
break;
}
IPresentationImage image = GetImageForExport(pair.Image);
SelectedImageExporter.Export(image, pair.FileName, exportParams);
ReportProgress(pair.FileName, ++_progress);
}
}
private void Export()
{
if (SelectedImageExporter == null)
{
throw new InvalidOperationException("No exporter was chosen; unable to export any images.");
}
if (NumberOfImagesToExport == 1)
{
EventResult result = EventResult.Success;
AuditedInstances exportedInstances = GetInstancesForAudit(ItemsToExport, this.ExportFilePath);
try
{
if (!Directory.Exists(Path.GetDirectoryName(ExportFilePath ?? "")))
{
throw new FileNotFoundException("The specified export file path does not exist: " + ExportFilePath ?? "");
}
ClipboardItem clipboardItem = (ClipboardItem)_itemsToExport[0];
ExportImageParams exportParams = GetExportParams(clipboardItem);
SelectedImageExporter.Export((IPresentationImage)clipboardItem.Item, ExportFilePath, exportParams);
}
catch (Exception ex)
{
result = EventResult.SeriousFailure;
Platform.Log(LogLevel.Error, ex);
}
finally
{
AuditHelper.LogExportStudies(exportedInstances, EventSource.CurrentUser, result);
}
}
else
{
if (!Directory.Exists(ExportFilePath ?? ""))
{
throw new FileNotFoundException("The specified export directory does not exist." + ExportFilePath ?? "");
}
_multipleImageExporter = new MultipleImageExporter(this);
_multipleImageExporter.Run();
}
}
private void Export()
{
ReportProgress(SR.MessageExportingImages, _progress);
foreach (ClipboardItem clipboardItem in ItemsToExport)
{
if (IsAsynchronous && _taskContext.CancelRequested)
{
break;
}
ExportImageParams exportParams = GetExportParams(clipboardItem);
if (clipboardItem.Item is IPresentationImage)
{
ExportSingleImage((IPresentationImage)clipboardItem.Item, exportParams);
}
else if (clipboardItem.Item is IDisplaySet)
{
ExportDisplaySet((IDisplaySet)clipboardItem.Item, exportParams);
}
}
if (IsAsynchronous)
{
if (_taskContext.CancelRequested)
{
ReportProgress(SR.MessageCancelled, _progress);
_taskContext.Cancel();
}
else
{
ReportProgress(SR.MessageExportComplete, _progress);
_taskContext.Complete();
}
}
}
public static Bitmap DrawToBitmap(IPresentationImage image, ExportImageParams exportParams)
{
Platform.CheckForNullReference(image, "image");
Platform.CheckForNullReference(exportParams, "exportParams");
if (!(image is ISpatialTransformProvider) || !(image is IImageGraphicProvider))
{
throw new ArgumentException("The image must implement IImageGraphicProvider and have a valid ImageSpatialTransform in order to be exported.");
}
if (exportParams.ExportOption == ExportOption.TrueSize)
{
var imageSopProvider = image as IImageSopProvider;
var pixelSpacing = imageSopProvider == null ? null : imageSopProvider.Frame.NormalizedPixelSpacing;
if (pixelSpacing == null || pixelSpacing.IsNull)
{
throw new ArgumentException("The image does not contain pixel spacing information. TrueSize export is not possible.");
}
}
ImageSpatialTransform transform = ((ISpatialTransformProvider)image).SpatialTransform as ImageSpatialTransform;
if (transform == null)
{
throw new ArgumentException("The image must have a valid ImageSpatialTransform in order to be exported.");
}
if (exportParams.ExportOption == ExportOption.TrueSize)
{
return(DrawTrueSizeImageToBitmap(image, exportParams.OutputSize, exportParams.Dpi));
}
if (exportParams.SizeMode == SizeMode.Scale)
{
// TODO: Refactor ImageExporter, so there only the displayRectangle and OutputRectangle are provided
// Scale can be automatically figured out.
// A "Padded" option can be provided to distinguish between the current Fixed and ScaleToFit options
// TODO: Refactor ImageExporter, so there are separate exporters for each ExportOption.
// The ExportImageParams is getting too many options and not all of them are applicable to each exporter
// Instead, each exporter should have its own parameters.
if (exportParams.ExportOption == ExportOption.Wysiwyg)
{
return(DrawWysiwygImageToBitmap(image, exportParams.DisplayRectangle, exportParams.Scale, exportParams.Dpi));
}
else
{
return(DrawCompleteImageToBitmap(image, exportParams.Scale, exportParams.Dpi));
}
}
else if (exportParams.SizeMode == SizeMode.ScaleToFit)
{
if (exportParams.ExportOption == ExportOption.Wysiwyg)
{
var scale = ScaleToFit(exportParams.DisplayRectangle.Size, exportParams.OutputSize);
return(DrawWysiwygImageToBitmap(image, exportParams.DisplayRectangle, scale, exportParams.Dpi));
}
else
{
var sourceImage = (IImageGraphicProvider)image;
var scale = ScaleToFit(new Size(sourceImage.ImageGraphic.Columns, sourceImage.ImageGraphic.Rows), exportParams.OutputSize);
return(DrawCompleteImageToBitmap(image, scale, exportParams.Dpi));
}
}
else
{
Bitmap paddedImage = new Bitmap(exportParams.OutputSize.Width, exportParams.OutputSize.Height);
using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(paddedImage))
{
// paint background
using (Brush b = new SolidBrush(exportParams.BackgroundColor))
{
graphics.FillRectangle(b, new Rectangle(Point.Empty, exportParams.OutputSize));
}
// paint image portion
Bitmap bmp;
if (exportParams.ExportOption == ExportOption.Wysiwyg)
{
float scale = ScaleToFit(exportParams.DisplayRectangle.Size, exportParams.OutputSize);
bmp = DrawWysiwygImageToBitmap(image, exportParams.DisplayRectangle, scale, exportParams.Dpi);
}
else
{
IImageGraphicProvider sourceImage = (IImageGraphicProvider)image;
float scale = ScaleToFit(new Size(sourceImage.ImageGraphic.Columns, sourceImage.ImageGraphic.Rows), exportParams.OutputSize);
bmp = DrawCompleteImageToBitmap(image, scale, exportParams.Dpi);
}
graphics.DrawImageUnscaledAndClipped(bmp, new Rectangle(CenterRectangles(bmp.Size, exportParams.OutputSize), bmp.Size));
bmp.Dispose();
}
return(paddedImage);
}
}
public abstract void Export(IPresentationImage image, string filePath, ExportImageParams exportParams);
public override void Export(IPresentationImage image, string filePath, ExportImageParams exportParams)
{
Export(image, filePath, exportParams, _imageFormat);
}