protected override void OnBeginPrint (PrintContext context)
{
layout = PangoUtil.CreateLayout (context);
layout.FontDescription = settings.Font;
layout.FontDescription.Weight = Pango.Weight.Bold;
layout.SetText (" ");
int w, h;
layout.GetSize (out w, out h);
this.lineHeight = h / Pango.Scale.PangoScale;
layout.FontDescription.Weight = Pango.Weight.Normal;
SetHeaderFormat (settings.HeaderFormat);
SetFooterFormat (settings.FooterFormat);
style = Mono.TextEditor.Highlighting.SyntaxModeService.GetColorStyle (null, settings.ColorScheme);
pageWidth = context.PageSetup.GetPageWidth (Unit.Mm);
pageHeight = context.PageSetup.GetPageHeight (Unit.Mm);
double contentHeight = pageHeight
- (headerLines > 0? settings.HeaderPadding : 0)
- (footerLines > 0? settings.FooterPadding : 0);
linesPerPage = (int)(contentHeight / lineHeight) - (headerLines + footerLines);
totalPages = (int)Math.Ceiling ((double)doc.LineCount / linesPerPage);
NPages = totalPages;
base.OnBeginPrint (context);
}
public static void Main(string[] Pages)
{
Application.Init();
var print = new Gtk.PrintOperation();
print.PrintSettings = new Gtk.PrintSettings();
print.PrintSettings.Scale = 33.75;
print.PrintSettings.Resolution = 1200;
print.JobName = "FeuerwehrCloud Ausdruck";
print.BeginPrint += (obj2, args) => { print.NPages = Pages.Length; };
print.DrawPage += (obj2, args) => {
try {
FeuerwehrCloud.Helper.Logger.WriteLine("| > [ImagePrinter] *** Page " + args.PageNr.ToString() + " of " + Pages.Length.ToString());
var imageBit = default(byte[]);
var image = System.Drawing.Image.FromFile("/tmp/" + Pages[args.PageNr]);
using (var memoryStream = new MemoryStream()) {
image.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Png);
imageBit = memoryStream.ToArray();
}
Gtk.PrintContext context = args.Context;
try {
var pixBuf = new Gdk.Pixbuf(imageBit, image.Width, image.Height);
try {
Cairo.Context cr = context.CairoContext;
cr.MoveTo(0, 0);
Gdk.CairoHelper.SetSourcePixbuf(cr, pixBuf, 0, 10);
cr.Paint();
((IDisposable)cr).Dispose();
} catch (Exception ex4) {
FeuerwehrCloud.Helper.Logger.WriteLine("||| > [ImagePrinter] *** ERROR: " + ex4.ToString());
}
} catch (Exception ex5) {
FeuerwehrCloud.Helper.Logger.WriteLine("||| > [ImagePrinter] *** ERROR: " + ex5.ToString());
}
} catch (Exception ex3) {
FeuerwehrCloud.Helper.Logger.WriteLine("||| > [ImagePrinter] *** ERROR: " + ex3.ToString());
}
};
print.EndPrint += (obj2, args) => { FeuerwehrCloud.Helper.Logger.WriteLine("| > [ImagePrinter] *** Printing finished "); Application.Quit(); };
print.Run(Gtk.PrintOperationAction.Print, null);
}
protected virtual void OnPrintActionActivated(object sender, System.EventArgs e)
{
using (PrintContext context = new PrintContext(GdkWindow.Handle))
{
printing = new PrintOperation();
printing.Unit = Unit.Points;
printing.UseFullPage = false;
printing.BeginPrint += HandlePrintBeginPrint;
printing.DrawPage += HandlePrintDrawPage;
printing.EndPrint += HandlePrintEndPrint;
printing.Run(PrintOperationAction.PrintDialog, null);
}
}
protected override void OnDrawPage (PrintContext context, int pageNr)
{
using (var cr = context.CairoContext) {
double xPos = 0, yPos = 0;
PrintHeader (cr, context, pageNr, ref xPos, ref yPos);
int startLine = pageNr * linesPerPage;
int endLine = Math.Min (startLine + linesPerPage - 1, doc.LineCount);
//FIXME: use proper 1-layout-per-line
for (int i = startLine; i < endLine; i++) {
var line = doc.GetLine (i + 1);
if (!settings.UseHighlighting) {
string text = doc.GetTextAt (line);
text = text.Replace ("\t", new string (' ', settings.TabSize));
layout.SetText (text);
cr.MoveTo (xPos, yPos);
Pango.CairoHelper.ShowLayout (cr, layout);
yPos += lineHeight;
continue;
}
var startChunk = doc.SyntaxMode.GetChunks (style, line, line.Offset, line.LengthIncludingDelimiter);
foreach (Chunk chunk in startChunk) {
ChunkStyle chunkStyle = chunk != null ? style.GetChunkStyle (chunk) : null;
string text = doc.GetTextAt (chunk);
text = text.Replace ("\t", new string (' ', settings.TabSize));
layout.SetText (text);
var atts = ResetAttributes ();
atts.Insert (new Pango.AttrForeground (chunkStyle.Color.Red, chunkStyle.Color.Green, chunkStyle.Color.Blue));
if (chunkStyle.Bold) {
atts.Insert (new Pango.AttrWeight (Pango.Weight.Bold));
}
if (chunkStyle.Italic) {
atts.Insert (new Pango.AttrStyle (Pango.Style.Italic));
}
if (chunkStyle.Underline) {
atts.Insert (new Pango.AttrUnderline (Pango.Underline.Single));
}
cr.MoveTo (xPos, yPos);
Pango.CairoHelper.ShowLayout (cr, layout);
int wout, hout;
layout.GetSize (out wout, out hout);
double w = wout / Pango.Scale.PangoScale;
xPos += w;
if (w > pageWidth)
break;
}
xPos = 0;
yPos += lineHeight;
}
PrintFooter (cr, context, pageNr, ref xPos, ref yPos);
}
}
protected override void OnEndPrint (PrintContext context)
{
layout.Dispose ();
layout = null;
base.OnEndPrint (context);
}
void PrintFooter (Cairo.Context cr, PrintContext context, int page, ref double xPos, ref double yPos)
{
if (footerLines == 0)
return;
yPos = pageHeight - (lineHeight * footerLines) - settings.FooterPadding;
if (settings.FooterSeparatorWeight > 0) {
cr.LineWidth = settings.FooterSeparatorWeight;
cr.MoveTo (pageWidth / 3, yPos + (settings.FooterPadding / 2));
cr.LineTo (2 * pageWidth / 3, yPos + (settings.FooterPadding / 2));
cr.Stroke ();
}
yPos += settings.FooterPadding;
ResetAttributes ();
layout.SetText (Subst (footerText, page));
int wout, hout;
layout.GetSize (out wout, out hout);
double w = wout / Pango.Scale.PangoScale;
cr.MoveTo ((pageWidth - w) / 2, yPos);
Pango.CairoHelper.ShowLayout (cr, layout);
}
public static Pango.Layout CreateLayout (PrintContext context)
{
var ptr = gtk_print_context_create_pango_layout (context.Handle);
return ptr == IntPtr.Zero? null : new Pango.Layout (ptr);
}
protected void OnPrintActionActivated(object sender, System.EventArgs e)
{
using (PrintContext context = new PrintContext(GdkWindow.Handle))
{
printing = new PrintOperation();
printing.Unit = Unit.Points;
printing.UseFullPage = true;
printing.DefaultPageSetup = new PageSetup();
printing.DefaultPageSetup.Orientation =
report.PageHeightPoints > report.PageWidthPoints ? PageOrientation.Portrait : PageOrientation.Landscape;
printing.BeginPrint += HandlePrintBeginPrint;
printing.DrawPage += HandlePrintDrawPage;
printing.EndPrint += HandlePrintEndPrint;
printing.Run(PrintOperationAction.PrintDialog, null);
}
}
