private Pixbuf ProcessImpl(Pixbuf input, Cms.Profile input_profile, bool fast)
{
Pixbuf result;
using (ImageInfo info = new ImageInfo (input)) {
using (ImageSurface surface = new ImageSurface (Format.Argb32,
input.Width,
input.Height)) {
using (Context ctx = new Context (surface)) {
ctx.Matrix = info.Fill (info.Bounds, angle);
using (SurfacePattern p = new SurfacePattern (info.Surface)) {
if (fast)
p.Filter = Filter.Fast;
ctx.Source = p;
ctx.Paint ();
}
result = surface.ToPixbuf();
surface.Flush ();
}
}
}
return result;
}
private void HandlerPintaCoreActionsEditCopyActivated(object sender, EventArgs e)
{
PintaCore.Layers.FinishSelection ();
ImageSurface src = PintaCore.Layers.GetClippedLayer (PintaCore.Layers.CurrentLayerIndex);
Cairo.Rectangle rect = PintaCore.Layers.SelectionPath.GetBounds ();
ImageSurface dest = new ImageSurface (Format.Argb32, (int)rect.Width, (int)rect.Height);
using (Context g = new Context (dest)) {
g.SetSourceSurface (src, -(int)rect.X, -(int)rect.Y);
g.Paint ();
}
Gtk.Clipboard cb = Gtk.Clipboard.Get (Gdk.Atom.Intern ("CLIPBOARD", false));
cb.Image = dest.ToPixbuf ();
(src as IDisposable).Dispose ();
(dest as IDisposable).Dispose ();
}
private void HandlerPintaCoreActionsEditCopyActivated(object sender, EventArgs e)
{
Document doc = PintaCore.Workspace.ActiveDocument;
PintaCore.Tools.Commit ();
ImageSurface src = doc.GetClippedLayer (doc.CurrentLayerIndex);
Gdk.Rectangle rect = doc.GetSelectedBounds (true);
ImageSurface dest = new ImageSurface (Format.Argb32, rect.Width, rect.Height);
using (Context g = new Context (dest)) {
g.SetSourceSurface (src, -rect.X, -rect.Y);
g.Paint ();
}
Gtk.Clipboard cb = Gtk.Clipboard.Get (Gdk.Atom.Intern ("CLIPBOARD", false));
cb.Image = dest.ToPixbuf ();
(src as IDisposable).Dispose ();
(dest as IDisposable).Dispose ();
}
ImageInfo CreateBlur(ImageInfo source)
{
double scale = Math.Max (256 / (double)source.Bounds.Width,
256 / (double)source.Bounds.Height);
var small = new Gdk.Rectangle (0, 0,
(int)Math.Ceiling (source.Bounds.Width * scale),
(int)Math.Ceiling (source.Bounds.Height * scale));
var image = new ImageSurface (Format.Argb32,
small.Width,
small.Height);
var ctx = new Context (image);
ctx.Matrix = source.Fit (small);
ctx.Operator = Operator.Source;
Pattern p = new SurfacePattern (source.Surface);
ctx.SetSource (p);
ctx.Paint ();
p.Dispose ();
ctx.Dispose ();
ImageInfo overlay = null;
using (var normal = image.ToPixbuf ())
{
using (var pixbufBlur = PixbufUtils.Blur (normal, 3, null))
{
overlay = new ImageInfo (pixbufBlur);
}
}
image.Dispose ();
return overlay;
}
private void HandlerPintaCoreActionsEditCopyMergedActivated(object sender, EventArgs e)
{
var cb = Gtk.Clipboard.Get (Gdk.Atom.Intern ("CLIPBOARD", false));
var doc = PintaCore.Workspace.ActiveDocument;
PintaCore.Tools.Commit ();
// Get our merged ("flattened") image
using (var src = doc.GetFlattenedImage ()) {
var rect = doc.GetSelectedBounds (true);
// Copy it to a correctly sized surface
using (var dest = new ImageSurface (Format.Argb32, rect.Width, rect.Height)) {
using (Context g = new Context (dest)) {
g.SetSourceSurface (src, -rect.X, -rect.Y);
g.Paint ();
}
// Give it to the clipboard
cb.Image = dest.ToPixbuf ();
}
}
}
public static Pixbuf Blur(Pixbuf src, int radius, ThreadProgressDialog dialog)
{
ImageSurface sourceSurface = Hyena.Gui.PixbufImageSurface.Create (src);
ImageSurface destinationSurface = new ImageSurface (Format.Rgb24, src.Width, src.Height);
// If we do it as a bunch of single lines (rectangles of one pixel) then we can give the progress
// here instead of going deeper to provide the feedback
for (int i=0; i < src.Height; i++) {
GaussianBlurEffect.RenderBlurEffect (sourceSurface, destinationSurface, new[] { new Gdk.Rectangle (0, i, src.Width, 1) }, radius);
if (dialog != null) {
// This only half of the entire process
double fraction = ((double)i / (double)(src.Height - 1)) * 0.75;
dialog.Fraction = fraction;
}
}
return destinationSurface.ToPixbuf ();
}
private Pixbuf ProcessImpl(Pixbuf input, Cms.Profile input_profile, bool fast)
{
Pixbuf result;
using (ImageInfo info = new ImageInfo (input)) {
using (Widgets.SoftFocus soft = new Widgets.SoftFocus (info)) {
soft.Radius = radius;
using (ImageSurface surface = new ImageSurface (Format.Argb32,
input.Width,
input.Height)) {
using (Context ctx = new Context (surface)) {
soft.Apply (ctx, info.Bounds);
}
result = surface.ToPixbuf();
surface.Flush ();
}
}
}
return result;
}
private ImageInfo CreateBlur(ImageInfo source)
{
double scale = Math.Max (256 / (double) source.Bounds.Width,
256 / (double) source.Bounds.Height);
Gdk.Rectangle small = new Gdk.Rectangle (0, 0,
(int) Math.Ceiling (source.Bounds.Width * scale),
(int) Math.Ceiling (source.Bounds.Height * scale));
ImageSurface image = new ImageSurface (Format.Argb32,
small.Width,
small.Height);
Context ctx = new Context (image);
ctx.Matrix = source.Fit (small);
ctx.Operator = Operator.Source;
Pattern p = new SurfacePattern (source.Surface);
ctx.Source = p;
ctx.Paint ();
p.Destroy ();
((IDisposable)ctx).Dispose ();
Gdk.Pixbuf normal = image.ToPixbuf();
Gdk.Pixbuf blur = PixbufUtils.Blur (normal, 3, null);
ImageInfo overlay = new ImageInfo (blur);
blur.Dispose ();
normal.Dispose ();
image.Destroy ();
return overlay;
}
