public unsafe static Gdk.Pixbuf ToPixbuf(this Cairo.ImageSurface surfSource)
{
Cairo.ImageSurface surf = surfSource.Clone();
surf.Flush();
ColorBgra *dstPtr = (ColorBgra *)surf.DataPtr;
int len = surf.Data.Length / 4;
for (int i = 0; i < len; i++)
{
if (dstPtr->A != 0)
{
*dstPtr = (ColorBgra.FromBgra(dstPtr->R, dstPtr->G, dstPtr->B, dstPtr->A));
}
dstPtr++;
}
Gdk.Pixbuf pb = new Gdk.Pixbuf(surf.Data, true, 8, surf.Width, surf.Height, surf.Stride);
(surf as IDisposable).Dispose();
return(pb);
}
protected override bool OnExposeEvent(Gdk.EventExpose ev)
{
base.OnExposeEvent(ev);
if (pages == null)
return false;
int width = (int)(report.PageWidthPoints * Scale);
int height = (int)(report.PageHeightPoints * Scale);
Cairo.Rectangle rep_r = new Cairo.Rectangle(1, 1, width - 1, height - 1);
int widgetWidth, widgetHeight;
ev.Window.GetSize(out widgetWidth, out widgetHeight);
using (Context g = Gdk.CairoHelper.Create(this.GdkWindow))
using (ImageSurface rep_s = new ImageSurface(Format.Argb32, width, height))
using (Context rep_g = new Context(rep_s))
using (ImageSurface shadow_s = rep_s.Clone())
using (Context shadow_g = new Context(shadow_s))
{
g.Translate(((widgetWidth - width) / 2) - rep_padding, 0);
shadow_g.Pattern = new SolidPattern(new Color(0.6, 0.6, 0.6));
shadow_g.Paint();
g.SetSourceSurface(shadow_s, shadow_padding, shadow_padding);
g.Paint();
rep_g.Pattern = new SolidPattern(new Color(1, 1, 1));
rep_g.Paint();
rep_g.DrawRectangle(rep_r, new Color(0.1, 0.1, 0.1), 1);
using (var render = new RenderCairo(rep_g, Scale))
{
render.RunPage(pages);
}
g.SetSourceSurface(rep_s, rep_padding, rep_padding);
g.Paint();
}
return true;
}
