public void Print(PSPDFPrintBarButtonItem barButton)
{
try
{
if (UIPrintInteractionController.PrintingAvailable)
{
UIPrintInteractionController pic = UIPrintInteractionController.SharedPrintController;
if (pic != null)
{
// PrintInfo
UIPrintInfo printInfo = UIPrintInfo.PrintInfo;
printInfo.OutputType = UIPrintInfoOutputType.General;
printInfo.JobName = "Print Job: eBriefing";
printInfo.Duplex = UIPrintInfoDuplex.None;
if (Orientation == ORIENTATION.LANDSCAPE)
{
printInfo.Orientation = UIPrintInfoOrientation.Landscape;
}
else
{
printInfo.Orientation = UIPrintInfoOrientation.Portrait;
}
pic.PrintInfo = printInfo;
pic.ShowsNumberOfCopies = true;
pic.ShowsPaperSelectionForLoadedPapers = true;
pic.ShowsPageRange = false;
pic.PrintPageRenderer = renderer;
// Show print options
pic.PresentFromBarButtonItem(barButton, true, (printController, completed, error) =>
{
if (!completed && error != null)
{
Console.WriteLine("PrintHelper - Print Error Code " + error.Code);
}
renderer.Dispose();
renderer = null;
dict.Clear();
dict = null;
});
}
}
else
{
new UIAlertView(StringRef.alert, "Print is not available at this time.", null, StringRef.ok, null).Show();
}
}
catch (Exception ex)
{
Logger.WriteLineDebugging("PrintHelper - Print: {0}", ex.ToString());
}
}
private void _loadFinished(object sender, EventArgs e)
{
var webview = sender as UIWebView;
UIPrintInteractionController controller = UIPrintInteractionController.SharedPrintController;
if (null == controller)
{
return;
}
// 设置打印机的一些默认信息
UIPrintInfo printInfo = UIPrintInfo.PrintInfo;
// 输出类型
printInfo.OutputType = UIPrintInfoOutputType.General;
// 打印队列名称
printInfo.JobName = "HtmlDemo";
// 是否单双面打印
printInfo.Duplex = UIPrintInfoDuplex.LongEdge;
// 设置默认打印信息
controller.PrintInfo = printInfo;
// 显示页码范围
controller.ShowsPageRange = true;
// 预览设置
UIPrintPageRenderer myRenderer = new UIPrintPageRenderer();
// To draw the content of each page, a UIViewPrintFormatter is used.
// 生成html格式
UIViewPrintFormatter viewFormatter = webview.ViewPrintFormatter;
myRenderer.AddPrintFormatter(viewFormatter, 0);
// 渲染html
controller.PrintPageRenderer = myRenderer;
controller.Present(true, (handler, completed, err) =>
{
if (!completed && err != null)
{
System.Diagnostics.Debug.WriteLine("Printer Error");
}
});
}
private static bool PrintUrl(string url)
{
if (!string.IsNullOrEmpty(url))
{
NSUrl item = new NSUrl(url);
if (UIPrintInteractionController.CanPrint(item))
{
UIPrintInfo printInfo = UIPrintInfo.PrintInfo;
printInfo.JobName = url.Substring(url.LastIndexOf(Path.DirectorySeparatorChar) + 1);
UIPrintInteractionController.SharedPrintController.PrintInfo = printInfo;
UIPrintInteractionController.SharedPrintController.PrintingItem = item;
return(true);
}
}
return(false);
}
void PrintSelectedRecipes(object sender, EventArgs args)
{
// Get a reference to the singleton iOS printing concierge
UIPrintInteractionController printController = UIPrintInteractionController.SharedPrintController;
// Instruct the printing concierge to use our custom UIPrintPageRenderer subclass when printing this job
printController.PrintPageRenderer = new RecipePrintPageRenderer(recipes.Recipes);
// Ask for a print job object and configure its settings to tailor the print request
UIPrintInfo info = UIPrintInfo.PrintInfo;
// B&W or color, normal quality output for mixed text, graphics, and images
info.OutputType = UIPrintInfoOutputType.General;
// Select the job named this in the printer queue to cancel our print request.
info.JobName = "Recipes";
// Instruct the printing concierge to use our custom print job settings.
printController.PrintInfo = info;
// Present the standard iOS Print Panel that allows you to pick the target Printer, number of pages, double-sided, etc.
printController.Present(true, PrintingCompleted);
}
public static void Print(string url)
{
if (!UIPrintInteractionController.PrintingAvailable)
{
new UIAlertView(TouchFactory.Instance.GetResourceString("PrintErrorTitle"),
TouchFactory.Instance.GetResourceString("PrintError"), null,
TouchFactory.Instance.GetResourceString("Dismiss"), null).Show();
return;
}
string printUrl = null;
int index = url.IndexOf('?');
if (index >= 0)
{
HttpUtility.ParseQueryString(url.Substring(index)).TryGetValue("url", out printUrl);
}
UIPrintInfo printInfo = UIPrintInfo.PrintInfo;
printInfo.OutputType = UIPrintInfoOutputType.General;
printInfo.Duplex = UIPrintInfoDuplex.LongEdge;
if (!string.IsNullOrEmpty(printUrl) && !PrintUrl(printUrl))
{
new UIAlertView(TouchFactory.Instance.GetResourceString("PrintErrorTitle"),
string.Format(TouchFactory.Instance.GetResourceString("PrintUrlError"), printUrl), null,
TouchFactory.Instance.GetResourceString("Dismiss"), null).Show();
return;
}
var navContext = iApp.CurrentNavContext.ActiveLayer.NavContext;
var stack = PaneManager.Instance.FromNavContext(navContext.NavigatedActivePane, navContext.NavigatedActiveTab) as BaseNavigationController;
if (stack == null || stack.CurrentView == null)
{
return;
}
UIViewController controller = TouchFactory.GetNativeObject <UIViewController>(stack.CurrentView, "view");
UIView view = controller.View;
if (controller is IBrowserView)
{
view = view.Subviews.FirstOrDefault(sv => sv is UIWebView);
}
if (!(view is UIWebView) || !PrintUrl(((UIWebView)view).Request.Url.AbsoluteString))
{
printInfo.JobName = controller.NavigationItem.Title;
UIPrintInteractionController.SharedPrintController.PrintInfo = printInfo;
view.ViewPrintFormatter.StartPage = 0;
UIPrintInteractionController.SharedPrintController.PrintFormatter = view.ViewPrintFormatter;
}
UIPrintInteractionCompletionHandler completionHandler = FinishPrinting;
if (TouchFactory.Instance.LargeFormFactor)
{
UIViewController top = ModalManager.GetTopmostViewController(null);
nfloat barHeight = TouchFactory.Instance.IsLandscape ? UIApplication.SharedApplication.StatusBarFrame.Width
: UIApplication.SharedApplication.StatusBarFrame.Height;
nfloat centerX = TouchFactory.Instance.IsLandscape ? top.View.Center.Y : top.View.Center.X;
UIPrintInteractionController.SharedPrintController.PresentFromRectInView(
new CoreGraphics.CGRect(centerX, stack.NavigationBar.Frame.Height + barHeight, 1, 1), top.View, true, completionHandler);
}
else
{
UIPrintInteractionController.SharedPrintController.Present(true, completionHandler);
}
}
public void Print(object sender, EventArgs args)
{
UIPrintInteractionController controller = UIPrintInteractionController.SharedPrintController;
if (controller == null)
{
Console.WriteLine("Couldn't get shared UIPrintInteractionController");
return;
}
controller.CutLengthForPaper = delegate(UIPrintInteractionController printController, UIPrintPaper paper) {
// Create a font with arbitrary size so that you can calculate the approximate
// font points per screen point for the height of the text.
UIFont font = textformatter.Font;
NSString str = new NSString(textField.Text);
UIStringAttributes attributes = new UIStringAttributes();
attributes.Font = font;
CGSize size = str.GetSizeUsingAttributes(attributes);
nfloat approximateFontPointPerScreenPoint = font.PointSize / size.Height;
// Create a new font using a size that will fill the width of the paper
font = SelectFont((float)(paper.PrintableRect.Size.Width * approximateFontPointPerScreenPoint));
// Calculate the height and width of the text with the final font size
attributes.Font = font;
CGSize finalTextSize = str.GetSizeUsingAttributes(attributes);
// Set the UISimpleTextFormatter font to the font with the size calculated
textformatter.Font = font;
// Calculate the margins of the roll. Roll printers may have unprintable areas
// before and after the cut. We must add this to our cut length to ensure the
// printable area has enough room for our text.
nfloat lengthOfMargins = paper.PaperSize.Height - paper.PrintableRect.Size.Height;
// The cut length is the width of the text, plus margins, plus some padding
return(finalTextSize.Width + lengthOfMargins + paper.PrintableRect.Size.Width * PaddingFactor);
};
UIPrintInfo printInfo = UIPrintInfo.PrintInfo;
printInfo.OutputType = UIPrintInfoOutputType.General;
printInfo.Orientation = UIPrintInfoOrientation.Landscape;
printInfo.JobName = textField.Text;
textformatter = new UISimpleTextPrintFormatter(textField.Text)
{
Color = SelectedColor,
Font = SelectFont()
};
controller.PrintInfo = printInfo;
controller.PrintFormatter = textformatter;
if (UIDevice.CurrentDevice.UserInterfaceIdiom == UIUserInterfaceIdiom.Pad)
{
controller.PresentFromRectInView(printButton.Frame, View, true, PrintingComplete);
}
else
{
controller.Present(true, PrintingComplete);
}
}
