images/image_rounded_corners

<?php

/* $Id: image_rounded_corners.php,v 1.7 2013/02/22 21:12:11 rp Exp $

 * Image with rounded corners:

 * Place an image with rounded corners

 *

 * Get the dimensions of an image and create a clipping path as a rectangle of

 * 0.5 of the width and height of the image and with rounded corners. Fit the

 * image into a box with the position and size of the clipping path.

 *

 * Required software: PDFlib/PDFlib+PDI/PPS 9

 * Required data: image file

 */

/* This is where the data files are. Adjust as necessary. */

$searchpath = dirname(dirname(dirname(__FILE__)))."/input";

$outfile = "";

$title = "Image with Rounded Corners";

$imagefile = "nesrin.jpg";

$image;

$radius=50;          // radius of the circle describing a rounded corner

$x=20; $y=20;         // lower left position of the image

try {

    $p = new pdflib();

    $p->set_option("searchpath={" . $searchpath . "}");

    /* This means we must check return values of load_font() etc. */

    $p->set_option("errorpolicy=return");

    $p->set_option("stringformat=utf8");

    if ($p->begin_document($outfile, "") == 0)

        throw new Exception("Error: " . $p->get_errmsg());

    $p->set_info("Creator", "PDFlib Cookbook");

    $p->set_info("Title", $title);

    /* Load image */

    $image = $p->load_image("auto", $imagefile, "");

    if ($image == 0)

        throw new Exception("Error: " . $p->get_errmsg());

    /* Get the width and height of the image */

    $width = $p->info_image($image, "imagewidth", "");

    $height = $p->info_image($image, "imageheight", "");

    /* Start a page with the image dimensions */

    $p->begin_page_ext($width, $height, "");

    /* Save the current graphics state including the clipping path */

    $p->save();

    /* Define a path as a rectangle of 0.5 of the original width and height

     * of the image and with rounded corners

     */

    $width *= 0.5;

    $height *= 0.5;

    $p->moveto($x + $radius, $y);

    $p->lineto($x + $width - $radius, $y);

    $p->arc($x + $width - $radius, $y + $radius, $radius, 270, 360);

    $p->lineto($x + $width, $y + $height - $radius );

    $p->arc($x + $width - $radius, $y + $height - $radius, $radius, 0, 90);

    $p->lineto($x + $radius, $y + $height);

    $p->arc($x + $radius, $y + $height - $radius, $radius, 90, 180);

    $p->lineto($x , $y + $radius);

    $p->arc($x + $radius, $y + $radius, $radius, 180, 270);

    /* Set clipping path to defined path */

    $p->clip();

    /* Load image */

    $image = $p->load_image("auto", $imagefile, "");

    /* Fit the image into a box with the size and start point (x,y) of the

     * clipping path. The image is placed in the center of the box using a

     * fit method of "meet" which will scale the image proportionally until

     * it completely covers the box */

    $p->fit_image($image, $x, $y, "boxsize {" . $width . " " . $height .

        "} position center fitmethod=meet");

    /* Close image and restore original clipping (no clipping) */

    $p->close_image($image);

    $p->restore();

    $p->end_page_ext("");

    $p->end_document("");

    $buf = $p->get_buffer();

    $len = strlen($buf);

    header("Content-type: application/pdf");

    header("Content-Length: $len");

    header("Content-Disposition: inline; filename=image_rounded_corners.pdf");

    print $buf;

} catch (PDFlibException $e) {

    die("PDFlib exception occurred:\n".

        "[" . $e->get_errnum() . "] " . $e->get_apiname() .

        ": " . $e->get_errmsg() . "\n");

} catch (Exception $e) {

    die($e->getMessage());

}

$p = 0;

?>