// 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 ();
}
}
static PintaCore()
{
Resources = new ResourceManager ();
Actions = new ActionManager ();
Workspace = new WorkspaceManager ();
Layers = new LayerManager ();
Tools = new ToolManager ();
History = new HistoryManager ();
}
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 ();
}
static PintaCore()
{
Resources = new ResourceManager ();
Actions = new ActionManager ();
Workspace = new WorkspaceManager ();
Layers = new LayerManager ();
Tools = new ToolManager ();
History = new HistoryManager ();
System = new SystemManager ();
LivePreview = new LivePreviewManager ();
}
static PintaCore()
{
Resources = new ResourceManager ();
Actions = new ActionManager ();
Workspace = new WorkspaceManager ();
Layers = new LayerManager ();
PaintBrushes = new PaintBrushManager ();
Tools = new ToolManager ();
History = new HistoryManager ();
System = new SystemManager ();
LivePreview = new LivePreviewManager ();
Palette = new PaletteManager ();
Settings = new SettingsManager ();
Chrome = new ChromeManager ();
}
public void Import(LayerManager layers, string fileName)
{
Pixbuf bg = new Pixbuf (fileName);
Size imagesize = new Size (bg.Width, bg.Height);
PintaCore.Workspace.CreateAndActivateDocument (fileName, imagesize);
PintaCore.Workspace.ActiveDocument.HasFile = true;
PintaCore.Workspace.ActiveDocument.ImageSize = imagesize;
PintaCore.Workspace.ActiveWorkspace.CanvasSize = imagesize;
Layer layer = layers.AddNewLayer (Path.GetFileName (fileName));
using (Cairo.Context g = new Cairo.Context (layer.Surface)) {
CairoHelper.SetSourcePixbuf (g, bg, 0, 0);
g.Paint ();
}
bg.Dispose ();
}
public void Import(LayerManager layers, string fileName)
{
Pixbuf bg = new Pixbuf (fileName);
layers.Clear ();
PintaCore.History.Clear ();
layers.DestroySelectionLayer ();
PintaCore.Workspace.ImageSize = new Size (bg.Width, bg.Height);
PintaCore.Workspace.CanvasSize = new Gdk.Size (bg.Width, bg.Height);
layers.ResetSelectionPath ();
Layer layer = layers.AddNewLayer (Path.GetFileName (fileName));
using (Cairo.Context g = new Cairo.Context (layer.Surface)) {
CairoHelper.SetSourcePixbuf (g, bg, 0, 0);
g.Paint ();
}
bg.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 ();
}
public void Import(LayerManager layers, string fileName)
{
ZipFile file = new ZipFile (fileName);
XmlDocument stackXml = new XmlDocument ();
stackXml.Load (file.GetInputStream (file.GetEntry ("stack.xml")));
XmlElement imageElement = stackXml.DocumentElement;
int width = int.Parse (imageElement.GetAttribute ("w"));
int height = int.Parse (imageElement.GetAttribute ("h"));
XmlElement stackElement = (XmlElement) stackXml.GetElementsByTagName ("stack")[0];
XmlNodeList layerElements = stackElement.GetElementsByTagName ("layer");
if (layerElements.Count == 0)
throw new XmlException ("No layers found in OpenRaster file");
layers.Clear ();
PintaCore.History.Clear ();
layers.DestroySelectionLayer ();
PintaCore.Workspace.ImageSize = new Size (width, height);
PintaCore.Workspace.CanvasSize = new Gdk.Size (width, height);
for (int i = 0; i < layerElements.Count; i++) {
XmlElement layerElement = (XmlElement) layerElements[i];
int x = int.Parse (GetAttribute (layerElement, "x", "0"));
int y = int.Parse (GetAttribute (layerElement, "y", "0"));
string name = GetAttribute (layerElement, "name", string.Format ("Layer {0}", i));
try {
// Write the file to a temporary file first
// Fixes a bug when running on .Net
ZipEntry zf = file.GetEntry (layerElement.GetAttribute ("src"));
Stream s = file.GetInputStream (zf);
string tmp_file = System.IO.Path.GetTempFileName ();
using (Stream stream_out = File.Open (tmp_file, FileMode.OpenOrCreate)) {
byte[] buffer = new byte[2048];
while (true) {
int len = s.Read (buffer, 0, buffer.Length);
if (len > 0)
stream_out.Write (buffer, 0, len);
else
break;
}
}
Layer layer = layers.CreateLayer (name, width, height);
layers.Insert (layer, 0);
layer.Opacity = double.Parse (GetAttribute (layerElement, "opacity", "1"), GetFormat ());
using (Pixbuf pb = new Pixbuf (tmp_file)) {
using (Context g = new Context (layer.Surface)) {
CairoHelper.SetSourcePixbuf (g, pb, x, y);
g.Paint ();
}
}
try {
File.Delete (tmp_file);
} catch { }
} catch {
MessageDialog md = new MessageDialog (PintaCore.Chrome.MainWindow, DialogFlags.Modal, MessageType.Error, ButtonsType.Ok, "Could not import layer \"{0}\" from {0}", name, file);
md.Title = "Error";
md.Run ();
md.Destroy ();
}
}
file.Close ();
}
private byte[] GetLayerXmlData(LayerManager layers)
{
MemoryStream ms = new MemoryStream ();
XmlTextWriter writer = new XmlTextWriter (ms, System.Text.Encoding.UTF8);
writer.Formatting = Formatting.Indented;
writer.WriteStartElement ("image");
writer.WriteAttributeString ("w", layers[0].Surface.Width.ToString ());
writer.WriteAttributeString ("h", layers[0].Surface.Height.ToString ());
writer.WriteStartElement ("stack");
writer.WriteAttributeString ("opacity", "1");
writer.WriteAttributeString ("name", "root");
// ORA stores layers top to bottom
for (int i = layers.Count - 1; i >= 0; i--) {
writer.WriteStartElement ("layer");
writer.WriteAttributeString ("opacity", layers[i].Hidden ? "0" : string.Format (GetFormat (), "{0:0.00}", layers[i].Opacity));
writer.WriteAttributeString ("name", layers[i].Name);
writer.WriteAttributeString ("src", "data/layer" + i.ToString () + ".png");
writer.WriteEndElement ();
}
writer.WriteEndElement (); // stack
writer.WriteEndElement (); // image
writer.Close ();
return ms.ToArray ();
}
