protected void RenderCompositionTo(Surface dst, bool highQuality, bool forceUpToDate)
{
if (forceUpToDate)
{
UpdateComposition(false);
}
if (dst.Width == this.compositionSurface.Width &&
dst.Height == this.compositionSurface.Height)
{
dst.ClearWithCheckboardPattern();
new UserBlendOps.NormalBlendOp().Apply(dst, this.compositionSurface);
}
else if (highQuality)
{
Surface thumb = new Surface(dst.Size);
thumb.SuperSamplingFitSurface(this.compositionSurface);
dst.ClearWithCheckboardPattern();
new UserBlendOps.NormalBlendOp().Apply(dst, thumb);
thumb.Dispose();
}
else
{
this.surfaceBox.RenderTo(dst);
}
}
public override Surface RenderThumbnail(int maxEdgeLength)
{
Size thumbSize = Utility.ComputeThumbnailSize(this.Size, maxEdgeLength);
Surface thumb = new Surface(thumbSize);
thumb.SuperSamplingFitSurface(this.surface);
Surface thumb2 = new Surface(thumbSize);
thumb2.ClearWithCheckboardPattern();
UserBlendOps.NormalBlendOp nbop = new UserBlendOps.NormalBlendOp();
nbop.Apply(thumb2, thumb);
thumb.Dispose();
thumb = null;
return thumb2;
}
public override Surface RenderThumbnail(int maxEdgeLength)
{
Size thumbSize = Utility.ComputeThumbnailSize(this.Size, maxEdgeLength);
Surface thumb = new Surface(thumbSize);
thumb.SuperSamplingFitSurface(this.surface);
Surface thumb2 = new Surface(thumbSize);
thumb2.ClearWithCheckboardPattern();
UserBlendOps.NormalBlendOp nbop = new UserBlendOps.NormalBlendOp();
nbop.Apply(thumb2, thumb);
thumb.Dispose();
thumb = null;
return(thumb2);
}
/// <summary>
/// Does the dirty work for a File->Save operation. If any of the "Save Options" in the
/// DocumentWorkspace are null, this will call DoSaveAs(). If the image has more than 1
/// layer but the file type they want to save with does not support layers, then it will
/// ask the user about flattening the image.
/// </summary>
/// <param name="tryToFlatten">
/// If true, will ask the user about flattening if the workspace's saveFileType does not
/// support layers and the image has more than 1 layer.
/// If false, then DoSaveAs will be called and the fileType will be prepopulated with
/// the .PDN type.
/// </param>
/// <returns><b>true</b> if the file was saved, <b>false</b> if the user cancelled</returns>
protected bool DoSave(bool tryToFlatten)
{
using (new PushNullToolMode(this))
{
string newFileName;
FileType newFileType;
SaveConfigToken newSaveConfigToken;
GetDocumentSaveOptions(out newFileName, out newFileType, out newSaveConfigToken);
// if they haven't specified a filename, then revert to "Save As" behavior
if (newFileName == null)
{
return DoSaveAs();
}
// if we have a filename but no file type, try to infer the file type
if (newFileType == null)
{
FileTypeCollection fileTypes = FileTypes.GetFileTypes();
string ext = Path.GetExtension(newFileName);
int index = fileTypes.IndexOfExtension(ext);
FileType inferredFileType = fileTypes[index];
newFileType = inferredFileType;
}
// if the image has more than 1 layer but is saving with a file type that
// does not support layers, then we must ask them if we may flatten the
// image first
if (Document.Layers.Count > 1 && !newFileType.SupportsLayers)
{
if (!tryToFlatten)
{
return DoSaveAs();
}
else
{
DialogResult dr = WarnAboutFlattening();
if (dr == DialogResult.Yes)
{
ExecuteFunction(new FlattenFunction());
}
else
{
return false;
}
}
}
// get the configuration!
if (newSaveConfigToken == null)
{
Surface scratch = BorrowScratchSurface(this.GetType().Name + ".DoSave() calling GetSaveConfigToken()");
bool result;
try
{
result = GetSaveConfigToken(newFileType, newSaveConfigToken, out newSaveConfigToken, scratch);
}
finally
{
ReturnScratchSurface(scratch);
}
if (!result)
{
return false;
}
}
// At this point fileName, fileType, and saveConfigToken must all be non-null
// if the document supports custom headers, embed a thumbnail in there
if (newFileType.SupportsCustomHeaders)
{
using (new WaitCursorChanger(this))
{
Utility.GCFullCollect();
const int maxDim = 256;
Surface thumb;
Surface flattened = BorrowScratchSurface(this.GetType().Name + ".DoSave() preparing embedded thumbnail");
try
{
Document.Flatten(flattened);
if (Document.Width > maxDim || Document.Height > maxDim)
{
int width;
int height;
if (Document.Width > Document.Height)
{
width = maxDim;
height = (Document.Height * maxDim) / Document.Width;
}
else
{
height = maxDim;
width = (Document.Width * maxDim) / Document.Height;
}
int thumbWidth = Math.Max(1, width);
int thumbHeight = Math.Max(1, height);
thumb = new Surface(thumbWidth, thumbHeight);
thumb.SuperSamplingFitSurface(flattened);
}
else
{
thumb = new Surface(flattened.Size);
thumb.CopySurface(flattened);
}
}
finally
{
ReturnScratchSurface(flattened);
}
Document thumbDoc = new Document(thumb.Width, thumb.Height);
BitmapLayer thumbLayer = new BitmapLayer(thumb);
BitmapLayer backLayer = new BitmapLayer(thumb.Width, thumb.Height);
backLayer.Surface.Clear(ColorBgra.Transparent);
thumb.Dispose();
thumbDoc.Layers.Add(backLayer);
thumbDoc.Layers.Add(thumbLayer);
MemoryStream thumbPng = new MemoryStream();
PropertyBasedSaveConfigToken pngToken = PdnFileTypes.Png.CreateDefaultSaveConfigToken();
PdnFileTypes.Png.Save(thumbDoc, thumbPng, pngToken, null, null, false);
byte[] thumbBytes = thumbPng.ToArray();
string thumbString = Convert.ToBase64String(thumbBytes, Base64FormattingOptions.None);
thumbDoc.Dispose();
string thumbXml = "<thumb png=\"" + thumbString + "\" />";
Document.CustomHeaders = thumbXml;
}
}
// save!
bool success = false;
Stream stream = null;
try
{
stream = (Stream)new FileStream(newFileName, FileMode.Create, FileAccess.Write);
using (new WaitCursorChanger(this))
{
Utility.GCFullCollect();
SaveProgressDialog sd = new SaveProgressDialog(this);
Surface scratch = BorrowScratchSurface(this.GetType().Name + ".DoSave() handing off scratch surface to SaveProgressDialog.Save()");
try
{
sd.Save(stream, Document, newFileType, newSaveConfigToken, scratch);
}
finally
{
ReturnScratchSurface(scratch);
}
success = true;
this.lastSaveTime = DateTime.Now;
stream.Close();
stream = null;
}
}
catch (UnauthorizedAccessException)
{
Utility.ErrorBox(this, PdnResources.GetString("SaveImage.Error.UnauthorizedAccessException"));
}
catch (SecurityException)
{
Utility.ErrorBox(this, PdnResources.GetString("SaveImage.Error.SecurityException"));
}
catch (DirectoryNotFoundException)
{
Utility.ErrorBox(this, PdnResources.GetString("SaveImage.Error.DirectoryNotFoundException"));
}
catch (IOException)
{
Utility.ErrorBox(this, PdnResources.GetString("SaveImage.Error.IOException"));
}
catch (OutOfMemoryException)
{
Utility.ErrorBox(this, PdnResources.GetString("SaveImage.Error.OutOfMemoryException"));
}
#if !DEBUG
catch (Exception)
{
Utility.ErrorBox(this, PdnResources.GetString("SaveImage.Error.Exception"));
}
#endif
finally
{
if (stream != null)
{
stream.Close();
stream = null;
}
}
if (success)
{
Shell.AddToRecentDocumentsList(newFileName);
}
else
{
return false;
}
// reset the dirty bit so they won't be asked to save on quitting
Document.Dirty = false;
// some misc. book keeping ...
AddToMruList();
// and finally, shout happiness by way of ...
return true;
}
}
