public bool OnExpose(Context ctx, Gdk.Rectangle allocation)
{
fraction = Math.Min(fraction, 1.0);
ctx.Operator = Operator.Source;
Matrix em = end_buffer.Fill(allocation);
em.Translate(Math.Round(allocation.Width - allocation.Width * fraction), 0);
ctx.Matrix = em;
SurfacePattern sur = new SurfacePattern(end_buffer.Surface);
sur.Filter = Filter.Fast;
ctx.Source = sur;
ctx.Paint();
sur.Destroy();
ctx.Operator = Operator.Over;
SurfacePattern p = new SurfacePattern(begin_buffer.Surface);
Matrix m = begin_buffer.Fill(allocation);
m.Translate(Math.Round(-allocation.Width * fraction), 0);
ctx.Matrix = m;
p.Filter = Filter.Fast;
ctx.Source = p;
ctx.Paint();
p.Destroy();
return(fraction < 1.0);
}
public ImageInfo (ImageInfo info, Gdk.Rectangle allocation)
{
#if false
Surface = new ImageSurface (Format.RGB24,
allocation.Width,
allocation.Height);
Context ctx = new Context (Surface);
#else
Console.WriteLine ("source status = {0}", info.Surface.Status);
Surface = info.Surface.CreateSimilar (Content.Color,
allocation.Width,
allocation.Height);
System.Console.WriteLine ("status = {1} pointer = {0}", Surface.Handle.ToString (), Surface.Status);
Context ctx = new Context (Surface);
#endif
Bounds = allocation;
ctx.Matrix = info.Fill (allocation);
Pattern p = new SurfacePattern (info.Surface);
ctx.Source = p;
ctx.Paint ();
((IDisposable)ctx).Dispose ();
p.Destroy ();
}
public bool OnExpose(Context ctx, Gdk.Rectangle allocation)
{
ctx.Operator = Operator.Source;
SurfacePattern p = new SurfacePattern(begin_buffer.Surface);
ctx.Matrix = begin_buffer.Fill(allocation);
p.Filter = Filter.Fast;
ctx.Source = p;
ctx.Paint();
ctx.Operator = Operator.Over;
ctx.Matrix = end_buffer.Fill(allocation);
SurfacePattern sur = new SurfacePattern(end_buffer.Surface);
sur.Filter = Filter.Fast;
ctx.Source = sur;
Pattern mask = CreateMask(allocation, fraction);
ctx.Mask(mask);
mask.Destroy();
p.Destroy();
sur.Destroy();
return(fraction < 1.0);
}
public bool Convert (FilterRequest req)
{
string source = req.Current.LocalPath;
Uri dest = req.TempUri (Path.GetExtension (source));
using (ImageFile img = ImageFile.Create (source)) {
using (Pixbuf pixbuf = img.Load ()) {
using (ImageInfo info = new ImageInfo (pixbuf)) {
MemorySurface surface = new MemorySurface (Format.Argb32,
pixbuf.Width,
pixbuf.Height);
Context ctx = new Context (surface);
ctx.Matrix = info.Fill (info.Bounds, angle);
Pattern p = new SurfacePattern (info.Surface);
ctx.Source = p;
ctx.Paint ();
((IDisposable)ctx).Dispose ();
p.Destroy ();
using (Pixbuf result = CairoUtils.CreatePixbuf (surface)) {
using (Stream output = File.OpenWrite (dest.LocalPath)) {
img.Save (result, output);
}
}
surface.Flush ();
info.Dispose ();
req.Current = dest;
return true;
}
}
}
}
public ImageInfo(ImageInfo info, Gdk.Rectangle allocation)
{
#if false
Surface = new ImageSurface(Format.RGB24,
allocation.Width,
allocation.Height);
Context ctx = new Context(Surface);
#else
Console.WriteLine("source status = {0}", info.Surface.Status);
Surface = info.Surface.CreateSimilar(Content.Color,
allocation.Width,
allocation.Height);
System.Console.WriteLine("status = {1} pointer = {0}", Surface.Handle.ToString(), Surface.Status);
Context ctx = new Context(Surface);
#endif
Bounds = allocation;
ctx.Matrix = info.Fill(allocation);
Pattern p = new SurfacePattern(info.Surface);
ctx.Source = p;
ctx.Paint();
((IDisposable)ctx).Dispose();
p.Destroy();
}
public bool OnExpose(Context ctx, Gdk.Rectangle allocation)
{
if (frames == 0)
{
start = DateTime.UtcNow;
}
frames++;
TimeSpan elapsed = DateTime.UtcNow - start;
double fraction = elapsed.Ticks / (double)duration.Ticks;
double opacity = Math.Sin(Math.Min(fraction, 1.0) * Math.PI * 0.5);
ctx.Operator = Operator.Source;
SurfacePattern p = new SurfacePattern(begin_buffer.Surface);
ctx.Matrix = begin_buffer.Fill(allocation);
p.Filter = Filter.Fast;
ctx.Source = p;
ctx.Paint();
ctx.Operator = Operator.Over;
ctx.Matrix = end_buffer.Fill(allocation);
SurfacePattern sur = new SurfacePattern(end_buffer.Surface);
#if MONO_1_2_5
Pattern black = new SolidPattern(new Cairo.Color(0.0, 0.0, 0.0, opacity));
#else
Pattern black = new SolidPattern(new Cairo.Color(0.0, 0.0, 0.0, opacity), true);
#endif
//ctx.Source = black;
//ctx.Fill ();
sur.Filter = Filter.Fast;
ctx.Source = sur;
ctx.Mask(black);
//ctx.Paint ();
ctx.Matrix = new Matrix();
ctx.MoveTo(allocation.Width / 2.0, allocation.Height / 2.0);
ctx.Source = new SolidPattern(1.0, 0, 0);
#if debug
ctx.ShowText(String.Format("{0} {1} {2} {3} {4} {5} {6} {7}",
frames,
sur.Status,
p.Status,
opacity, fraction, elapsed, start, DateTime.UtcNow));
#endif
sur.Destroy();
p.Destroy();
return(fraction < 1.0);
}
private void OnExpose(Context ctx, Region region)
{
SetClip(ctx, region);
if (Transition != null)
{
bool done = false;
foreach (Gdk.Rectangle area in GetRectangles(region))
{
BlockProcessor proc = new BlockProcessor(area, block_size);
Gdk.Rectangle subarea;
while (proc.Step(out subarea))
{
ctx.Save();
SetClip(ctx, subarea);
done = !Transition.OnExpose(ctx, Allocation);
ctx.Restore();
}
}
if (done)
{
System.Console.WriteLine("frames = {0}", Transition.Frames);
Transition = null;
}
}
else if (effect != null)
{
foreach (Gdk.Rectangle area in GetRectangles(region))
{
BlockProcessor proc = new BlockProcessor(area, block_size);
Gdk.Rectangle subarea;
while (proc.Step(out subarea))
{
ctx.Save();
SetClip(ctx, subarea);
effect.OnExpose(ctx, Allocation);
ctx.Restore();
}
}
}
else
{
ctx.Operator = Operator.Source;
SurfacePattern p = new SurfacePattern(current.Surface);
p.Filter = Filter.Fast;
SetClip(ctx, region);
ctx.Matrix = current.Fill(Allocation);
ctx.Source = p;
ctx.Paint();
p.Destroy();
}
}
public ImageInfo(ImageInfo info, Widget w, Gdk.Rectangle bounds)
{
Cairo.Surface similar = CairoUtils.CreateSurface (w.GdkWindow);
Bounds = bounds;
Surface = similar.CreateSimilar (Content.ColorAlpha, Bounds.Width, Bounds.Height);
Context ctx = new Context (Surface);
ctx.Matrix = info.Fill (Bounds);
Pattern p = new SurfacePattern (info.Surface);
ctx.Source = p;
ctx.Paint ();
((IDisposable)ctx).Dispose ();
p.Destroy ();
}
public ImageInfo(ImageInfo info, Widget w, Gdk.Rectangle bounds)
{
using (var similar = CairoUtils.CreateSurface(w.GdkWindow)) {
Bounds = bounds;
Surface = similar.CreateSimilar(Content.ColorAlpha, Bounds.Width, Bounds.Height);
var ctx = new Context(Surface);
ctx.Matrix = info.Fill(Bounds);
Pattern p = new SurfacePattern(info.Surface);
ctx.SetSource(p);
ctx.Paint();
ctx.Dispose();
p.Dispose();
}
}
public ImageInfo(ImageInfo info, Widget w, Gdk.Rectangle bounds)
{
Cairo.Surface similar = CairoUtils.CreateSurface(w.GdkWindow);
Bounds = bounds;
Surface = similar.CreateSimilar(Content.ColorAlpha, Bounds.Width, Bounds.Height);
Context ctx = new Context(Surface);
ctx.Matrix = info.Fill(Bounds);
Pattern p = new SurfacePattern(info.Surface);
ctx.Source = p;
ctx.Paint();
((IDisposable)ctx).Dispose();
p.Destroy();
}
public ImageInfo(ImageInfo info, Gdk.Rectangle allocation)
{
Surface = info.Surface.CreateSimilar(Content.Color,
allocation.Width,
allocation.Height);
var ctx = new Context(Surface);
Bounds = allocation;
ctx.Matrix = info.Fill(allocation);
Pattern p = new SurfacePattern(info.Surface);
ctx.SetSource(p);
ctx.Paint();
ctx.Dispose();
p.Dispose();
}
public bool OnExpose(Context ctx, Gdk.Rectangle allocation)
{
ctx.Operator = Operator.Source;
SurfacePattern p = new SurfacePattern(info.Surface);
p.Filter = Filter.Fast;
Matrix m = info.Fill(allocation, angle);
ctx.Matrix = m;
ctx.Source = p;
ctx.Paint();
p.Destroy();
return(true);
}
private Pixbuf ProcessImpl (Pixbuf input, Cms.Profile input_profile, bool fast) {
Pixbuf result;
using (ImageInfo info = new ImageInfo (input)) {
MemorySurface surface = new MemorySurface (Format.Argb32,
input.Width,
input.Height);
Context ctx = new Context (surface);
ctx.Matrix = info.Fill (info.Bounds, angle);
SurfacePattern p = new SurfacePattern (info.Surface);
if (fast) {
p.Filter = Filter.Fast;
}
ctx.Source = p;
ctx.Paint ();
((IDisposable)ctx).Dispose ();
p.Destroy ();
result = MemorySurface.CreatePixbuf (surface);
surface.Flush ();
}
return result;
}
private Pixbuf ProcessImpl(Pixbuf input, Cms.Profile input_profile, bool fast)
{
Pixbuf result;
using (ImageInfo info = new ImageInfo (input)) {
using (MemorySurface surface = new MemorySurface (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 = MemorySurface.CreatePixbuf (surface);
surface.Flush ();
}
}
}
return result;
}
public ImageInfo(ImageInfo info, Gdk.Rectangle allocation)
{
Surface = info.Surface.CreateSimilar (Content.Color,
allocation.Width,
allocation.Height);
var ctx = new Context (Surface);
Bounds = allocation;
ctx.Matrix = info.Fill (allocation);
Pattern p = new SurfacePattern (info.Surface);
ctx.SetSource (p);
ctx.Paint ();
ctx.Dispose ();
p.Dispose ();
}
public ImageInfo(ImageInfo info, Widget w, Gdk.Rectangle bounds)
{
using (var similar = CairoUtils.CreateSurface (w.GdkWindow)) {
Bounds = bounds;
Surface = similar.CreateSimilar (Content.ColorAlpha, Bounds.Width, Bounds.Height);
var ctx = new Context (Surface);
ctx.Matrix = info.Fill (Bounds);
Pattern p = new SurfacePattern (info.Surface);
ctx.SetSource (p);
ctx.Paint ();
ctx.Dispose ();
p.Dispose ();
}
}