2006-08-10 Mikkel Kruse Johnsen <mikkel@linet.dk>
* sample/GtkDemo/DemoPrinting.cs : new Gtk.Print sample. * sample/GtkDemo/Makefile.am : build new source. svn path=/trunk/gtk-sharp/; revision=63610
This commit is contained in:
Mike Kestner
parent
3879146bd0
commit
6a6cc0ce8b
3 changed files with 144 additions and 2 deletions
|
|
@ -1,3 +1,8 @@
|
|||
2006-08-10 Mikkel Kruse Johnsen <mikkel@linet.dk>
|
||||
|
||||
* sample/GtkDemo/DemoPrinting.cs : new Gtk.Print sample.
|
||||
* sample/GtkDemo/Makefile.am : build new source.
|
||||
|
||||
2006-08-10 Mike Kestner <mkestner@novell.com>
|
||||
|
||||
* pango/Pango.metadata : add library attr to pango_cairo methods.
|
||||
|
|
|
|||
136
sample/GtkDemo/DemoPrinting.cs
Normal file
136
sample/GtkDemo/DemoPrinting.cs
Normal file
|
|
@ -0,0 +1,136 @@
|
|||
/* Printing
|
||||
*
|
||||
* GtkPrintOperation offers a simple API to support printing in a cross-platform way.
|
||||
*/
|
||||
|
||||
using System;
|
||||
using System.IO;
|
||||
using System.Reflection;
|
||||
using Gtk;
|
||||
using Cairo;
|
||||
|
||||
namespace GtkDemo
|
||||
{
|
||||
[Demo ("Printing", "DemoPrinting.cs")]
|
||||
public class DemoPrinting
|
||||
{
|
||||
private static double headerHeight = (10*72/25.4);
|
||||
private static double headerGap = (3*72/25.4);
|
||||
private static int pangoScale = 1024;
|
||||
|
||||
private PrintOperation print;
|
||||
|
||||
private string fileName = "DemoPrinting.cs";
|
||||
private double fontSize = 12.0;
|
||||
private int linesPerPage;
|
||||
private string[] lines;
|
||||
private int numLines;
|
||||
private int numPages;
|
||||
|
||||
public DemoPrinting ()
|
||||
{
|
||||
print = new PrintOperation ();
|
||||
|
||||
print.BeginPrint += OnBeginPrint;
|
||||
print.DrawPage += OnDrawPage;
|
||||
print.EndPrint += OnEndPrint;
|
||||
|
||||
print.Run (PrintOperationAction.PrintDialog, null);
|
||||
}
|
||||
|
||||
private void OnBeginPrint (object obj, Gtk.BeginPrintArgs args)
|
||||
{
|
||||
string contents;
|
||||
double height;
|
||||
|
||||
PrintContext context = args.Context;
|
||||
height = context.Height;
|
||||
|
||||
linesPerPage = (int)Math.Floor(height / fontSize);
|
||||
contents = LoadFile("DemoPrinting.cs");
|
||||
|
||||
lines = contents.Split('\n');
|
||||
|
||||
numLines = lines.Length;
|
||||
numPages = (numLines - 1) / linesPerPage + 1;
|
||||
|
||||
print.NPages = numPages;
|
||||
}
|
||||
|
||||
private string LoadFile (string filename)
|
||||
{
|
||||
Stream file = Assembly.GetExecutingAssembly ().GetManifestResourceStream
|
||||
(filename);
|
||||
if (file == null && File.Exists (filename)) {
|
||||
file = File.OpenRead (filename);
|
||||
}
|
||||
if (file == null) {
|
||||
return "File not found";
|
||||
}
|
||||
|
||||
StreamReader sr = new StreamReader (file);
|
||||
return sr.ReadToEnd ();
|
||||
}
|
||||
|
||||
private void OnDrawPage (object obj, Gtk.DrawPageArgs args)
|
||||
{
|
||||
PrintContext context = args.Context;
|
||||
|
||||
Cairo.Context cr = context.CairoContext;
|
||||
double width = context.Width;
|
||||
|
||||
cr.Rectangle (0, 0, width, headerHeight);
|
||||
cr.SetSourceRGB (0.8, 0.8, 0.8);
|
||||
cr.FillPreserve ();
|
||||
|
||||
cr.SetSourceRGB (0, 0, 0);
|
||||
cr.LineWidth = 1;
|
||||
cr.Stroke();
|
||||
|
||||
Pango.Layout layout = context.CreatePangoLayout ();
|
||||
|
||||
Pango.FontDescription desc = Pango.FontDescription.FromString ("sans 14");
|
||||
layout.FontDescription = desc;
|
||||
|
||||
layout.SetText (fileName);
|
||||
layout.Width = (int)width;
|
||||
layout.Alignment = Pango.Alignment.Center;
|
||||
|
||||
int layoutWidth, layoutHeight;
|
||||
layout.GetSize (out layoutWidth, out layoutHeight);
|
||||
double textHeight = (double)layoutHeight / (double)pangoScale;
|
||||
|
||||
cr.MoveTo (width/2, (headerHeight - textHeight) / 2);
|
||||
Pango.CairoHelper.ShowLayout (cr, layout);
|
||||
|
||||
string pageStr = String.Format ("{0}/{1}", args.PageNr + 1, numPages);
|
||||
layout.SetText (pageStr);
|
||||
layout.Alignment = Pango.Alignment.Right;
|
||||
|
||||
cr.MoveTo (width - 2, (headerHeight - textHeight) / 2);
|
||||
Pango.CairoHelper.ShowLayout (cr, layout);
|
||||
|
||||
layout = null;
|
||||
layout = context.CreatePangoLayout ();
|
||||
|
||||
desc = Pango.FontDescription.FromString ("mono");
|
||||
desc.Size = (int)(fontSize * pangoScale);
|
||||
layout.FontDescription = desc;
|
||||
|
||||
cr.MoveTo (0, headerHeight + headerGap);
|
||||
int line = args.PageNr * linesPerPage;
|
||||
for (int i=0; i < linesPerPage && line < numLines; i++)
|
||||
{
|
||||
layout.SetText (lines[line]);
|
||||
Pango.CairoHelper.ShowLayout (cr, layout);
|
||||
cr.RelMoveTo (0, fontSize);
|
||||
line++;
|
||||
}
|
||||
layout = null;
|
||||
}
|
||||
|
||||
private void OnEndPrint (object obj, Gtk.EndPrintArgs args)
|
||||
{
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1,5 +1,5 @@
|
|||
assemblies = ../../glib/glib-sharp.dll ../../pango/pango-sharp.dll ../../atk/atk-sharp.dll ../../gdk/gdk-sharp.dll ../../gtk/gtk-sharp.dll
|
||||
references = $(addprefix /r:, $(assemblies))
|
||||
references = $(addprefix /r:, $(assemblies)) -r:Mono.Cairo
|
||||
TARGETS = GtkDemo.exe
|
||||
DEBUGS = $(addsuffix .mdb, $(TARGETS))
|
||||
CLEANFILES = $(TARGETS) $(DEBUGS)
|
||||
|
|
@ -31,7 +31,8 @@ sources = \
|
|||
DemoStockBrowser.cs \
|
||||
DemoTextView.cs \
|
||||
DemoTreeStore.cs \
|
||||
DemoUIManager.cs
|
||||
DemoUIManager.cs \
|
||||
DemoPrinting.cs
|
||||
|
||||
images = \
|
||||
images/gnome-foot.png,gnome-foot.png \
|
||||
|
|
|
|||
Loading…
Reference in a new issue