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Editing: starter_textline.php

<?php
# $Id: starter_textline.php,v 1.1.2.1 2007/12/29 23:26:05 rjs Exp $
# Starter text line:
# Demonstrate various options for placing a text line
#
# Place a text line with different font sizes.
# Output overlined, stroke out, and underlined text.
# Output text and define character spacing, work spacing, or horizontal
# scaling.
# Output text with a defined fill color. Output text including its outlines
# with a defined stroke color.
# Place text into a box at various positions. Place text completely into a box
# with automatic scaling if required.
#
# Required software: PDFlib Lite/PDFlib/PDFlib+PDI/PPS 7
# Required data: none

# This is where the data files are. Adjust as necessary.
$searchpath = "../data";
$title = "Starter Text Line";

# create a new PDFlib object
$p = PDF_new();

$x = 10;
$xt = 280;
$y = 800;
$yoff = 50;
$textline = "Giant Wing Paper Plane";

PDF_set_parameter($p, "SearchPath", $searchpath);

# This means we must check return values of load_font() etc.
    PDF_set_parameter($p, "errorpolicy", "return");

# Set an output path according to the name of the topic
    if (PDF_begin_document($p, "", "") == 0) {
	die("Error: " .  PDF_get_errmsg($p));
    }

PDF_set_info($p, "Creator", "PDFlib Cookbook");
    $buf = $title . '  $Revision: 1.1.2.1 $';
    PDF_set_info($p, "Title", $buf);

# Start Page
    PDF_begin_page_ext($p, 0, 0, "width=a4.width height=a4.height");

# For PDFlib Lite: change "unicode" to "winansi"
    $font = PDF_load_font($p, "Helvetica", "winansi", "");

if ($font == 0) {
	die("Error: " .  PDF_get_errmsg($p));
    }

# Set the font with a font size of 14
    PDF_setfont($p, $font, 14);

# Place the text line without any options applied
    PDF_fit_textline($p, $textline, $x, $y, "");

# Output descriptive text
    PDF_fit_textline($p, "fit_textline() without any options", $xt, $y,
	"fontsize=12");

# Place the text with a different font size
    $optlist = "fontsize=22";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist); # sample text
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12"); # description
    
    
    # Place stroke out text
    $optlist = "strikeout";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist); # sample text
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12"); # description
    
    
    # Place underlined text
    $optlist = "underline underlinewidth=7% underlineposition=-20%";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist); # sample text
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12"); # description
    
    
    # Place overlined text
    $optlist = "overline";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist); # sample text
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12"); # description
    
    
    # Place the text with a horizontal scaling of 150%
    $optlist = "horizscaling=150%";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist); # sample text
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12"); # description
    
    
    # Place the text with a character spacing of 30% of the font size
    $optlist = "charspacing=30%";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist); # sample text
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12"); # description
    
    
    # Place the text with a word spacing of 50% of the font size
    $optlist = "wordspacing=50%";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist); # sample text
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12"); # description
    
    
    # Place the text with a different fill color
    $optlist = "fillcolor={rgb 0.5 0.2 0.5}";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);
    PDF_fit_textline($p, $optlist, $xt, $y, "fontsize=12");
    
    
    # Place the text including its outlines using a text rendering mode of
    # 2 for "filling and stroking text" and different fill and stroke
    # colors
    
    $optlist = 
	"fontsize=22 fillcolor={rgb 0.6 0.3 0.6} strokecolor={gray 0} " .
	"strokewidth=0.4 textrendering=2";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);
    
    # Output descriptive text
    PDF_fit_textline($p, "fillcolor={rgb 0.6 0.3 0.6} strokecolor={gray 0} ",
	$xt, $y+10, "fontsize=12");
    PDF_fit_textline($p, "strokewidth=0.4 textrendering=2 fontsize=22",
	$xt, $y-5, "fontsize=12");
    
    
    # Place the text with its outlines using a text rendering mode of
    # 1 for "stroking text" and a stroke color of black
    
    $optlist =
	"fontsize=22 strokecolor={gray 0} strokewidth=0.4 textrendering=1";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);
    
    # Output descriptive text
    PDF_fit_textline($p, "strokecolor={gray 0} strokewidth=0.4", $xt, $y+10,
	"fontsize=12");
    PDF_fit_textline($p, "textrendering=1 fontsize=22", $xt, $y-=5,
	"fontsize=12");
    
    
    # Place the text in a box with default positioning and fitting
    $optlist = "boxsize={200 20} showborder";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);   # sample text
    PDF_fit_textline($p, $optlist, $xt, $y+3, "fontsize=12"); # description
    
    
    # Place the text in a box on the top right
    $optlist = "boxsize={200 20} position={top right} showborder";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);   # sample text
    PDF_fit_textline($p, $optlist, $xt, $y+3, "fontsize=12"); # description
    
    
    # Use "fitmethod=clip" to place the text in a box not large enough to 
    # show the complete text. The text will be clipped.
    
    $optlist = "boxsize={130 20} fitmethod=clip showborder";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);   # sample text
    PDF_fit_textline($p, $optlist, $xt, $y+3, "fontsize=12"); # description
    
    
    # Fit the text into the box automatically with "fitmethod=auto".
    # In this case, if the text doesn't fit into the box a distortion
    # factor is calculated which makes the text fit into the box. If this 
    # factor is larger than the "shrinklimit" option the text will
    # be distorted by that factor. Otherwise, the font size will be
    # be decreased until until the text fits into the box.
    
		
    # Use "fitmethod=auto" to place the text in a box not large enough to 
    # show the complete text. The text will be distorted.
    
    $optlist = "boxsize={130 20} fitmethod=auto showborder";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);   # sample text
    PDF_fit_textline($p, $optlist, $xt, $y+3, "fontsize=12"); # description
 
    
    # Use "fitmethod=auto" to place the text in a box too small to show the
    # complete text. The font size will be reduced until the text fits into
    # the box.
    
    $optlist = "boxsize={100 20} fitmethod=auto showborder";
    
    PDF_fit_textline($p, $textline, $x, $y-=$yoff, $optlist);   # sample text
    PDF_fit_textline($p, $optlist, $xt, $y+3, "fontsize=12"); # description

PDF_end_page_ext($p, "");

PDF_end_document($p, "");

$buf = PDF_get_buffer($p);
$len = strlen($buf);

header("Content-type: application/pdf");
header("Content-Length: $len");
header("Content-Disposition: inline; filename=hello.pdf");
print $buf;

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