protected virtual void AddReturn(PDFUnit widthOfLastTextDraw, bool hardReturn)
{
this.AssertCurrentLine();
PDFLayoutLine line = this.CurrentLine;
PDFTextRunNewLine br = new PDFTextRunNewLine(false, line, this.TextRenderOptions, this.TextComponent);
line.AddRun(br);
//The offset is from the start of the last text drawing operation
//and the offset of the start of the current line
PDFUnit lineright = widthOfLastTextDraw;
PDFUnit back = line.Width - lineright;
//Previous - 27 Feb 2015
//br.Offset = new PDFSize(back, line.Height);
//Updated
if (line.BaseLineOffset == 0 || this.TextRenderOptions.Leading.HasValue) //we don't have any begins or ends affecting the flow (or an explicit leading)
{
br.Offset = new PDFSize(back, line.Height);
}
else
{
br.Offset = new PDFSize(back, (line.Height - line.BaseLineOffset) + this.TextRenderOptions.GetAscent());
}
PDFLayoutRegion reg = line.Region;
reg.CloseCurrentItem();
line = reg.BeginNewLine();
this.BeginningRun.Lines.Add(line);
PDFUnit inset;
if (hardReturn)
{
inset = this.TextRenderOptions.GetFirstLineInset();
}
else
{
inset = PDFUnit.Zero;
}
PDFTextRunSpacer spacer = this.AddLineInsetRun(inset, 0, line);
br.NextLineSpacer = spacer;
this.CurrentLine = line;
this.CurrentLineInset = inset;
}
private PDFLayoutInlineEnd CreateAndAddInlineEnd(PDFPositionOptions pos, PDFLayoutInlineBegin begin)
{
PDFLayoutBlock containerBlock = this.DocumentLayout.CurrentPage.LastOpenBlock();
PDFLayoutRegion containerRegion = containerBlock.CurrentRegion;
if (containerRegion.HasOpenItem == false)
{
containerRegion.BeginNewLine();
}
PDFLayoutLine currline = containerRegion.CurrentItem as PDFLayoutLine;
PDFLayoutInlineEnd end = currline.AddInlineRunEnd(this, this.Component, begin, pos);
return(end);
}
private PDFLayoutInlineBegin CreateAndAddInlineBegin(PDFPositionOptions pos)
{
PDFLayoutBlock containerBlock = this.DocumentLayout.CurrentPage.LastOpenBlock();
PDFLayoutRegion containerRegion = containerBlock.CurrentRegion;
if (containerRegion.HasOpenItem == false)
{
containerRegion.BeginNewLine();
}
PDFLayoutLine currline = containerRegion.CurrentItem as PDFLayoutLine;
PDFLayoutInlineBegin begin = currline.AddInlineRunStart(this, this.Component, pos, this.FullStyle);
return(begin);
}
private PDFLayoutXObject CreateAndAddInput(PDFPositionOptions pos)
{
PDFLayoutBlock containerBlock = this.DocumentLayout.CurrentPage.LastOpenBlock();
PDFLayoutRegion containerRegion = containerBlock.CurrentRegion;
if (containerRegion.HasOpenItem == false)
{
containerRegion.BeginNewLine();
}
//pos.Y = 200;
PDFLayoutRegion container = containerBlock.BeginNewPositionedRegion(pos, this.DocumentLayout.CurrentPage, this.Component, this.FullStyle, false);
this.Line = containerRegion.CurrentItem as PDFLayoutLine;
PDFLayoutXObject begin = this.Line.AddXObjectRun(this, this.Field, container, pos, this.FullStyle);
return(begin);
}
protected virtual PDFLayoutXObject ApplyViewPort(PDFPositionOptions oldpos, PDFRect viewPort)
{
//Set the size to the viewport size
var newpos = oldpos.Clone();
newpos.X = viewPort.X;
newpos.Y = viewPort.Y;
//update to new widths
newpos.Width = viewPort.Width;
newpos.Height = viewPort.Height;
//Set the style values to the viewport too. (and reset the cache)
this.FullStyle.Size.Width = newpos.Width.Value;
this.FullStyle.Size.Height = newpos.Height.Value;
if (this.FullStyle is Scryber.Styles.StyleFull)
{
(this.FullStyle as StyleFull).ClearFullRefs();
}
PDFLayoutBlock containerBlock = this.DocumentLayout.CurrentPage.LastOpenBlock();
PDFLayoutRegion containerRegion = containerBlock.CurrentRegion;
if (containerRegion.HasOpenItem == false)
{
containerRegion.BeginNewLine();
}
//pos.Y = 200;
PDFLayoutRegion container = containerBlock.BeginNewPositionedRegion(newpos, this.DocumentLayout.CurrentPage, this.Component, this.FullStyle, false);
this.Line = containerRegion.CurrentItem as PDFLayoutLine;
PDFLayoutXObject begin = this.Line.AddXObjectRun(this, this.Component, container, newpos, this.FullStyle);
begin.SetOutputSize(oldpos.Width, oldpos.Height);
//this.CurrentBlock.IsFormXObject = true;
//this.CurrentBlock.XObjectViewPort = pos.ViewPort.Value;
return(begin);
}
/// <summary>
/// If there is no open line at the start, or after a hard return, then this created a new one (adding inset as required)
/// </summary>
/// <returns></returns>
private PDFLayoutLine EnsureFirstLineAvailable(out bool startedLine)
{
startedLine = false;
PDFLayoutPage pg = this.Context.DocumentLayout.CurrentPage;
PDFLayoutBlock block = pg.LastOpenBlock();
if (null == block || block.IsClosed)
{
this.Context.TraceLog.Add(TraceLevel.Error, LOG_CATEGORY, "There is no open block on page '" + pg.ToString() + "' to add content to.");
return(null);
throw new InvalidOperationException("There is no open block to add the textual content to.");
}
PDFLayoutRegion reg = block.CurrentRegion;
if (null == reg || reg.IsClosed)
{
this.Context.TraceLog.Add(TraceLevel.Error, LOG_CATEGORY, "There is no open region in block '" + block.ToString() + "' on page '" + pg.ToString() + "' to add content to.");
return(null);
throw new InvalidOperationException("There is no open block to add the textual content to.");
}
PDFLayoutLine line;
if (reg.HasOpenItem)
{
line = (PDFLayoutLine)reg.CurrentItem;
}
else
{
line = reg.BeginNewLine();
startedLine = true;
//No Inset spacer as this will be handled by the begin run
}
return(line);
}