Control MetricsPreview()
{
metricsPreview = new Drawable {
Size = new Size(200, 100)
};
metricsPreview.Paint += (sender, pe) => {
var size = pe.Graphics.MeasureString(selectedFont, preview.Text);
var scale = this.ParentWindow.Screen.Scale;
var ypos = Math.Max(0, (selectedFont.Ascent * scale) - size.Height);
ypos += Math.Max(0, (metricsPreview.Size.Height - (selectedFont.LineHeight * scale)) / 2);
var baseline = ypos + (selectedFont.Baseline * scale);
pe.Graphics.DrawLine(Pens.Black(), 0, baseline, 200, baseline);
pe.Graphics.DrawText(selectedFont, Colors.Black, 0, ypos, preview.Text);
var ascender = baseline - selectedFont.Ascent * scale;
pe.Graphics.DrawLine(Pens.Blue(), 0, ascender, 200, ascender);
var descender = baseline + selectedFont.Descent * scale;
pe.Graphics.DrawLine(Pens.Red(), 0, descender, 200, descender);
var xheight = baseline - selectedFont.XHeight * scale;
pe.Graphics.DrawLine(Pens.Green(), 0, xheight, 200, xheight);
var lineheight = ypos + selectedFont.LineHeight * scale;
pe.Graphics.DrawLine(Pens.Orange(), 0, lineheight, 200, lineheight);
};
return(metricsPreview);
}
Control CreateCustom32Alpha()
{
var image = new Bitmap(100, 100, PixelFormat.Format32bppRgba);
// should always ensure .Dispose() is called when you are done with a Graphics object
using (var graphics = new Graphics(image))
{
graphics.DrawLine(Pens.Blue(), Point.Empty, new Point(image.Size));
graphics.DrawRectangle(Pens.Black(), new Rectangle(image.Size - 1));
}
return new DrawableImageView { Image = image };
}
PrintDocument GetPrintDocument()
{
var document = new PrintDocument();
document.PrintSettings = settings;
var font = Fonts.Serif(16);
var printTime = DateTime.Now;
document.PrintPage += (sender, e) => {
Size pageSize = Size.Round(e.PageSize);
// draw a border around the printable area
var rect = new Rectangle(pageSize);
rect.Inflate(-1, -1);
e.Graphics.DrawRectangle(Pens.Silver(), rect);
// draw title
e.Graphics.DrawText(font, Colors.Black, new Point(50, 20), document.Name);
// draw page number
var text = string.Format("page {0} of {1}", e.CurrentPage + 1, document.PageCount);
var textSize = Size.Round(e.Graphics.MeasureString(font, text));
e.Graphics.DrawText(font, Colors.Black, new Point(pageSize.Width - textSize.Width - 50, 20), text);
// draw date
text = string.Format("Printed on {0:f}", printTime);
textSize = Size.Round(e.Graphics.MeasureString(font, text));
e.Graphics.DrawText(font, Colors.Black, new Point(pageSize.Width - textSize.Width - 50, pageSize.Height - textSize.Height - 20), text);
// draw some rectangles
switch (e.CurrentPage)
{
case 0:
e.Graphics.DrawRectangle(Pens.Blue(), new Rectangle(50, 50, 100, 100));
e.Graphics.DrawRectangle(Pens.Green(), new Rectangle(new Point(pageSize) - new Size(150, 150), new Size(100, 100)));
break;
case 1:
e.Graphics.DrawRectangle(Pens.Blue(), new Rectangle(pageSize.Width - 150, 50, 100, 100));
e.Graphics.DrawRectangle(Pens.Green(), new Rectangle(50, pageSize.Height - 150, 100, 100));
break;
}
};
document.Name = "Name Of Document";
document.PageCount = 2;
return(document);
}
Control MetricsPreview()
{
metricsPreview = new Drawable {
Size = new Size(200, 100)
};
metricsPreview.Paint += (sender, pe) =>
{
var width = metricsPreview.Size.Width;
pe.Graphics.PixelOffsetMode = PixelOffsetMode.Half;
pe.Graphics.DrawRectangle(Colors.Black, new RectangleF(metricsPreview.Size));
var size = pe.Graphics.MeasureString(selectedFont, preview.Text);
var scale = ParentWindow.Screen.Scale;
var ypos = Math.Max(0, (metricsPreview.Size.Height - size.Height) / 2);
pe.Graphics.FillRectangle(Brushes.GhostWhite(), new RectangleF(new PointF(0, ypos), size));
pe.Graphics.DrawText(selectedFont, Colors.Black, 0, ypos, preview.Text);
var baseline = ypos + selectedFont.Baseline * scale;
pe.Graphics.DrawLine(Pens.Black(), 0, baseline, width, baseline);
var ascender = baseline - selectedFont.Ascent * scale;
pe.Graphics.DrawLine(Pens.Blue(), 0, ascender, width, ascender);
var descender = baseline + selectedFont.Descent * scale;
pe.Graphics.DrawLine(Pens.Red(), 0, descender, width, descender);
var xheight = baseline - selectedFont.XHeight * scale;
pe.Graphics.DrawLine(Pens.Green(), 0, xheight, width, xheight);
var lineheight = ypos + selectedFont.LineHeight * scale;
pe.Graphics.DrawLine(Pens.Orange(), 0, lineheight, width, lineheight);
};
return(metricsPreview);
}
