public override void Draw(PdfDisplayBox box, CoreGraphics.CGContext context)
{
// Draw original content
base.Draw(box, context);
using (context)
{
// Draw watermark underlay
UIGraphics.PushContext(context);
context.SaveState();
var pageBounds = this.GetBoundsForBox(box);
context.TranslateCTM(0.0f, pageBounds.Size.Height);
context.ScaleCTM(1.0f, -1.0f);
context.RotateCTM((float)(Math.PI / 4.0f));
Console.WriteLine($"{pageBounds}");
var attributes = new UIStringAttributes()
{
ForegroundColor = UIColor.FromRGBA(255, 0, 0, 125),
Font = UIFont.BoldSystemFontOfSize(84)
};
var text = new NSAttributedString("WATERMARK", attributes);
text.DrawString(new CGPoint(250, 40));
context.RestoreState();
UIGraphics.PopContext();
}
}
public override void Draw(PdfDisplayBox box)
{
//base.Draw (box);
CGRect sourceRect = new CGRect(0, 0, 0, 0);
CGRect topHalf;
CGRect destRect;
// Drag image.
// ...........
// Source rectangle.
sourceRect.Size = PdfImage.Size;
// Represent the top half of the page.
topHalf = GetBoundsForBox(box);
Utility.ColorWithHexColorValue("#ffffff", 1.0f).Set();
NSGraphics.RectFill(topHalf);
// Scale and center image within top half of page.
destRect = sourceRect;
destRect.Height -= 120;
destRect.Y += 60;
// Draw.
//Console.WriteLine("left:{0},top:{1},width:{2},height:{3}",destRect.X,destRect.Y,destRect.Width,destRect.Height);
PdfImage.DrawInRect(destRect, new CGRect(0, 0, 0, 0), NSCompositingOperation.SourceOver, 1.0f);
// Draw name.
// ...........
destRect = GetBoundsForBox(box);
destRect.Y = destRect.Height - 44.0f;
destRect.Height = 34.0f;
destRect.X = 30.0f;
destRect.Width -= 60.0f;
// Draw label.
NSStringAttributes attributes = new NSStringAttributes();
attributes.Font = NSFont.SystemFontOfSize(11);
Label.DrawInRect(destRect, attributes);
// Draw name.
// ...........
destRect = GetBoundsForBox(box);
destRect.Y = 10.0f;
destRect.Height = 17.0f;
destRect.X = 30.0f;
destRect.Width -= 60.0f;
PageFooter.DrawInRect(destRect, attributes);
}
public override CGRect GetBoundsForBox(PdfDisplayBox box)
{
return(base.GetBoundsForBox(box));
}