java - Can't get itext Rectangle to work correctly with annotations -

i'm new itext , can't annotation icons appear correctly.

i'm trying create rectangle annotation icon. example below:

rectangle rect = new rectangle(164, 190, 164, 110);  chunk_text.setannotation(pdfannotation.createtext(writer, rect, "warning", comments, false, "comment"));          pdfcontentbyte pdb = new pdfcontentbyte(writer);  chunk_free.setannotation(pdfannotation.createfreetext(writer, rect, comments, pdb));  chunk_popup.setannotation(pdfannotation.createpopup(writer, rect, comments, false)); 

but, icon fails appear or small dot in pdf.

i cant find im doing wrong.

you create rectangle this

rectangle rect = new rectangle(164, 190, 164, 110); 

according javadocs:

 public rectangle(float llx,              float lly,              float urx,              float ury) 

constructs rectangle-object.

parameters:

llx - lower left x

lly - lower left y

urx - upper right x

ury - upper right y

as lower left x equals upper right x, rectangle has 0 width. thus, not surprising that

the icon fails appear or small dot in pdf.

thus, use coordinates describing large enough rectangle, e.g.

rectangle rect = new rectangle(164, 190, 328, 300); 

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another issue: add annotation setting chunk annotation , (presumably) adding chunk pdf:

chunk_text.setannotation(pdfannotation.createtext(writer, rect, "warning", comments, false, "comment"));         

this technique anyways replaces rectangle bounding box of rendered chunk text. thus, might not want. instead use addannotation method of pdfwriter.

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furthermore add popup annotation not related other annotation. not make sense, according specification:

a pop-up annotation (pdf 1.3) displays text in pop-up window entry , editing. shall not appear alone associated markup annotation, parent annotation, , shall used editing parent’s text.

using itext build popup-parent relation parent annotation parent , popup annotation popup using

parent.setpopup(popup);