// For now, we only export in uncompressed ARGB32 format. If someone requests this functionality,
// we can always add more through an export dialog.
public void Export(LayerManager layers, string fileName)
{
ImageSurface surf = layers.GetFlattenedImage (); // Assumes the surface is in ARGB32 format
BinaryWriter writer = new BinaryWriter (new FileStream (fileName, FileMode.Create, FileAccess.Write));
try {
TgaHeader header = new TgaHeader();
header.idLength = 0;
header.cmapType = 0;
header.imageType = 2; // uncompressed RGB
header.cmapIndex = 0;
header.cmapLength = 0;
header.cmapEntrySize = 0;
header.xOrigin = 0;
header.yOrigin = 0;
header.imageWidth = (ushort) surf.Width;
header.imageHeight = (ushort) surf.Height;
header.pixelDepth = 32;
header.imageDesc = 8; // 32-bit, lower-left origin, which is weird but hey...
header.WriteTo (writer);
byte[] data = surf.Data;
// It just so happens that the Cairo ARGB32 internal representation matches
// the TGA format, except vertically-flipped. In little-endian, of course.
for (int y = surf.Height - 1; y >= 0; y--)
writer.Write (data, surf.Stride * y, surf.Stride);
} finally {
(surf as IDisposable).Dispose ();
writer.Close ();
}
}
public void Export(LayerManager layers, string fileName)
{
Cairo.ImageSurface surf = layers.GetFlattenedImage ();
Pixbuf pb = surf.ToPixbuf ();
DoSave(pb, fileName, filetype);
(pb as IDisposable).Dispose ();
(surf as IDisposable).Dispose ();
}
public void Export(LayerManager layers, string fileName)
{
ZipOutputStream stream = new ZipOutputStream (new FileStream (fileName, FileMode.Create));
ZipEntry mimetype = new ZipEntry ("mimetype");
mimetype.CompressionMethod = CompressionMethod.Stored;
stream.PutNextEntry (mimetype);
byte[] databytes = System.Text.Encoding.ASCII.GetBytes ("image/openraster");
stream.Write (databytes, 0, databytes.Length);
for (int i = 0; i < layers.Count; i++) {
Pixbuf pb = layers[i].Surface.ToPixbuf ();
byte[] buf = pb.SaveToBuffer ("png");
(pb as IDisposable).Dispose ();
stream.PutNextEntry (new ZipEntry ("data/layer" + i.ToString () + ".png"));
stream.Write (buf, 0, buf.Length);
}
stream.PutNextEntry (new ZipEntry ("stack.xml"));
databytes = GetLayerXmlData (layers);
stream.Write (databytes, 0, databytes.Length);
ImageSurface flattened = layers.GetFlattenedImage();
Pixbuf flattenedPb = flattened.ToPixbuf ();
Size newSize = GetThumbDimensions (flattenedPb.Width, flattenedPb.Height);
Pixbuf thumb = flattenedPb.ScaleSimple (newSize.Width, newSize.Height, InterpType.Bilinear);
stream.PutNextEntry (new ZipEntry ("Thumbnails/thumbnail.png"));
databytes = thumb.SaveToBuffer ("png");
stream.Write (databytes, 0, databytes.Length);
(flattened as IDisposable).Dispose();
(flattenedPb as IDisposable).Dispose();
(thumb as IDisposable).Dispose();
stream.Close ();
}
