images/starter_image
Load and place an image using various options for scaling and positioning.
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<?php
/*
* Starter image:
* Load and place an image using various options for scaling and positioning
*
* Place the image it its original size.
* Place the image with scaling and orientation to the west.
* Fit the image into a box with clipping.
* Fit the image into a box with proportional resizing.
* Fit the image into a box entirely.
*
* Required software: PDFlib/PDFlib+PDI/PPS 9
* Required data: image file
*/
// This is where the data files are. Adjust as necessary.
$searchpath = dirname(__FILE__,3). "/input";
$title = "Starter Image";
$imagefile = "lionel.jpg";
$bw = 400;
$bh = 200;
$x = 20;
$y = 580;
$yoffset = 260;
try {
// create a new PDFlib object
$p = new PDFlib();
$p->set_option("searchpath={" . $searchpath . "}");
// This means we must check return values of load_font() etc.
$p->set_option("errorpolicy=return");
if ($p->begin_document("", "") == 0) {
echo("Error: " . $p->get_errmsg());
exit(1);
}
$p->set_info("Creator", "PDFlib Cookbook");
$p->set_info("Title", $title);
$font = $p->load_font("NotoSerif-Regular", "unicode", "");
if ($font == 0) {
echo("Error: " . $p->get_errmsg());
exit(1);
}
// Load the image
$image = $p->load_image("auto", $imagefile, "");
if ($image == 0) {
echo("Error: " . $p->get_errmsg());
exit(1);
}
// Start page 1
$p->begin_page_ext(0, 0, "width=a4.width height=a4.height");
$p->setfont($font, 10);
// ------------------------------------
// Place the image in its original size
// ------------------------------------
// Position the image in its original size with its lower left corner
// at the reference point (20, 380)
$p->fit_image($image, 20, 380, "");
// Output some descriptive text
$p->fit_textline(
"The image is placed with the lower left corner in its original " .
"size at reference point (20, 380):", 20, 820, "");
$p->fit_textline("fit_image(image, 20, 380, \"\");", 20, 800, "");
// --------------------------------------------------------
// Place the image with scaling and orientation to the west
// --------------------------------------------------------
// Position the image with its lower right corner at the reference
// point (580, 20).
// "scale=0.5" scales the image by 0.5.
// "orientate=west" orientates the image to the west.
$p->fit_image($image, 580, 20,
"scale=0.5 position={right bottom} orientate=west");
// Output some descriptive text
$p->fit_textline(
"The image is placed with a scaling of 0.5 and an orientation to " .
"the west with the lower right corner", 580, 320,
"position={right bottom}");
$p->fit_textline(
" at reference point (580, 20): fit_image(image, 580, 20, " .
"\"scale=0.5 orientate=west position={right bottom}\");",
580, 300, "position={right bottom}");
$p->end_page_ext("");
// Start page 2
$p->begin_page_ext(0, 0, "width=a4.width height=a4.height");
$p->setfont($font, 10);
// --------------------------------------
// Fit the image into a box with clipping
// --------------------------------------
// The "boxsize" option defines a box with a given width and height and
// its lower left corner located at the reference point.
// "position={right top}" positions the image on the top right of the
// box.
// "fitmethod=clip" clips the image to fit it into the box.
$buf = "boxsize={" . $bw . " " . $bh .
"} position={right top} fitmethod=clip";
$p->fit_image($image, $x, $y, $buf);
// Output some descriptive text
$p->fit_textline(
"fit_image(image, x, y, \"boxsize={400 200} position={right top} " .
"fitmethod=clip\");", 20, $y+$bh+10, "");
// ---------------------------------------------------
// Fit the image into a box with proportional resizing
// ---------------------------------------------------
// The "boxsize" option defines a box with a given width and height and
// its lower left corner located at the reference point.
// "position={center}" positions the image in the center of the
// box.
// "fitmethod=meet" resizes the image proportionally until its height
// or width completely fits into the box.
// The "showborder" option is used to illustrate the borders of the box.
$buf = "boxsize={" . $bw . " " . $bh .
"} position={center} fitmethod=meet showborder";
$p->fit_image($image, $x, $y-=$yoffset, $buf);
// Output some descriptive text
$p->fit_textline(
"fit_image(image, x, y, \"boxsize={400 200} position={center} " .
"fitmethod=meet showborder\");", 20, $y+$bh+10, "");
// ---------------------------------
// Fit the image into a box entirely
// ---------------------------------
// The "boxsize" option defines a box with a given width and height and
// its lower left corner located at the reference point.
// By default, the image is positioned in the lower left corner of the
// box.
// "fitmethod=entire" resizes the image proportionally until its height
// or width completely fits into the box.
$buf = "boxsize={" . $bw . " " . $bh . "} fitmethod=entire";
$p->fit_image($image, $x, $y-=$yoffset, $buf);
// Output some descriptive text
$p->fit_textline(
"fit_image(image, x, y, \"boxsize={400 200} fitmethod=entire\");",
20, $y+$bh+10, "");
$p->end_page_ext("");
$p->close_image($image);
$p->end_document("");
$buf = $p->get_buffer();
$len = strlen($buf);
header("Content-type: application/pdf");
header("Content-Length: $len");
header("Content-Disposition: inline; filename=starter_image.pdf");
print $buf;
}
catch (PDFlibException $e) {
echo("PDFlib exception occurred in starter_image sample:\n" .
"[" . $e->get_errnum() . "] " . $e->get_apiname() . ": " .
$e->get_errmsg() . "\n");
exit(1);
}
catch (Throwable $e) {
echo($e);
exit(1);
}
$p = 0;
?>