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PHP : Function Reference : PDF Functions : PDF_show_xy

PDF_show_xy

Output text at given position ()
bool PDF_show_xy ( resource p, string text, float x, float y )

Prints text in the current font. Returns TRUE on success or FALSE on failure.

Related Examples ( Source code ) » pdf_show_xy



Code Examples / Notes » pdf_show_xy

nid

When using PDFLib version 4.0.3 under PHP 4.2.1 on Windows the Y-position is reversed, which means, the Y is the number of pixels that should be visible BELOW the texts baseline.

sigve

Want to do right-to-left text with pdflib? Just pick the right margin, and send it as $x to this function.
<?php
function pdf_show_xy_backwards ($pdf, $text, $font, $size, $x, $y) {
$currx = $x;
for ($i = strlen($text); $i > 0; $i--) {
$char = substr((string)$text, $i-1, 1);
$width = pdf_stringwidth($pdf, (string)$char, $font, $size);
$currx = $currx - $width;
pdf_show_xy($pdf, (string)$char, $currx, $y);
}
}
?>


drpsycho

No, that's just because in PDF the origin is at the lower left corner

christopher jastram
Here's a little function that creates a pdf_show_xy_right() function with exactly the same parameters as pdf_show_xy(), except that the third parameter now specifies the right-aligned edge position.
function pdf_show_xy_right(&$pdf, $text, $right, $bottom) {
$fontname = pdf_get_parameter($pdf, "fontname", 0);
$font = pdf_findfont($pdf, $fontname, "host", 0);
$size = pdf_get_value($pdf, "fontsize", 0);
$width = pdf_stringwidth($pdf, $text, $font, $size);
pdf_show_xy($pdf, $text, $right-$width, $bottom);
}
Set your font name and size separately, just as you would with pdf_show_xy(), and then call this function like so:
pdf_show_xy_right($pdf, "Hello World", 50, 200);
The third parameter is the right edge, fourth parameter is the baseline.  You do NOT have to pass in the font and size!


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