public void PDFFontMetricsConstructor_Test()
{
double emheight = 12.7;
double ascent = 120.34;
double descent = 12.9;
double lineheight = 13.6;
PDFFontMetrics target = new PDFFontMetrics(emheight, ascent, descent, lineheight);
Assert.IsNotNull(target);
Assert.AreEqual(emheight, target.EmHeight);
Assert.AreEqual(ascent, target.Ascent);
Assert.AreEqual(descent, target.Descent);
Assert.AreEqual(lineheight, target.LineHeight);
Assert.AreEqual(lineheight - (ascent + descent), target.LineSpacing);
}
protected override Native.PDFObjectRef DoOutputToPDF(PDFRenderContext context, PDFWriter writer)
{
PDFRect bounds = this.TotalBounds;
bounds.X += context.Offset.X;
bounds.Y += context.Offset.Y;
//Set the arrangement for this text run
Component owner = this.Owner as Component;
if (owner != null && null != this._caclulatedBounds)
{
for (int i = 0; i < this._caclulatedBounds.Length; i++)
{
PDFRect b = this._caclulatedBounds[i];
if (b.IsEmpty == false)
{
if (i == 0)
{
b.X += this.LineInset;
}
b.X += context.Offset.X;
b.Y += context.Offset.Y;
owner.SetArrangement(context, context.FullStyle, b);
}
}
}
//TODO:Add any backgrounds and borders based on the 3 rects in the calculated bounds.
PDFFontMetrics metrics = this.TextRenderOptions.Font.FontMetrics;
bounds.X += this.LineInset;
PDFSize cursor = new PDFSize(bounds.X, bounds.Y);
//pdf text rendering is done from the baseline, we need the rendering to appear to start from the top
//so add the ascent of the font metrics
//Previous 27 Feb 20
//cursor.Height += this.TextRenderOptions.Font.FontMetrics.Ascent;
//With mixed content
if (this.TextRenderOptions.Leading.HasValue)
{
cursor.Height += this.TextRenderOptions.Leading.Value - metrics.Descent;
}
else
{
cursor.Height += this.Line.BaseLineOffset;
}
if (context.ShouldLogDebug)
{
context.TraceLog.Add(TraceLevel.Debug, "Text Begin", "Marker to beginning to render the text for component " + this.Owner.ToString() + " at cursor position " + cursor);
}
if (this.ShouldRenderBackground(context))
{
this.RenderTextBackground(context, writer);
}
context.Graphics.SaveGraphicsState();
context.Graphics.BeginText();
context.Graphics.SetTextRenderOptions(this.TextRenderOptions, bounds);
if (_hascustomspace && this.TextRenderOptions.CharacterSpacing.HasValue == false && this.TextRenderOptions.WordSpacing.HasValue == false)
{
context.Graphics.SetTextSpacing(this._wordspace, this._charspace, this.TextRenderOptions.Font.Size);
}
context.Graphics.MoveTextCursor(cursor, true);
this.StartTextCursor = cursor;
return(null);
}
