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Unit 12: Portable Document Format

The pdf_show_boxed( ) function returns the number of characters that did not fit in the box. If Notes
the feature parameter is present, it must be set to the string “blind”. This prevents the text from
being drawn on the page and is useful for checking whether a string will fit in the box without
actually drawing it.

Develop a PHP program to show the use of text functions in PDF.

12.3.3 Text Attributes

There are three common ways to alter the appearance of text. One is to underline, overline, or
strike out the text using parameters. Another is to change the stroking and filling. The third is
to change the text’s color.
Each of the underline, overline, and strikeout parameters may be set to “true” or “false”
independently of the others. For example:
pdf_set_parameter($pdf, “underline”, “true”); // enable underlining
Stroking text means drawing a line around the path defined by the text. The effect is an outline
of the text. Filling text means to fill the shape defined by the text.
You can set whether text should be stroked or filled with the textrendering parameter. The valid
values are shown in Table 12.2.

Table 12.2: Values for the Text Rendering Parameter

Value Effect
0 Normal
1 Stroke (outline)
2 Fill and stroke
3 Invisible
4 Normal, add to clipping path
5 Fill and stroke, add to clipping path
6 Invisible, add to clipping path

You can select the text color using the pdf_setcolor( ) function:
pdf_setcolor(pdf, type, colorspace, c1 [, c2, c3 [, c4]]);

The type parameter is either “stroke”, “fill”, or “both”, indicating whether you’re specifying the
color to be used for outlining the letters, filling the letters, or both. The colorspace parameter is
one of “gray”, “rgb”, “cmyk”, “spot”, or “pattern”. The “gray”, “spot”, and “pattern” colorspaces
take only one color parameter, whereas “rgb” takes three and “cmyk” takes all four.
Example shows colors, underlines, overlines, strikeouts, stroking, and filling at work.

Changing text attributes
<?php

$p = pdf_new( );

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