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showpage.php
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showpage.php
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<?php
/* Copyright Deakin University 2007,2008
* Written by Adam Zammit - adam.zammit@deakin.edu.au
* For the Deakin Computer Assisted Research Facility: http://www.deakin.edu.au/dcarf/
*
* This file is part of queXF
*
* queXF is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* queXF is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with queXF; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
if (isset($_GET['bgid'])){
include_once("config.inc.php");
include_once("db.inc.php");
include("functions/functions.image.php");
global $db;
$bgid = intval($_GET['bgid']);
$sql= "SELECT *
FROM boxes
WHERE bgid = '$bgid'";
$rows = $db->GetAll($sql);
if (empty($rows)) exit;
$pid = $rows[0]['pid'];
$sql = "SELECT image
FROM pages
WHERE pid = $pid";
$row = $db->GetRow($sql);
if (empty($row)) exit;
$sql = "SELECT MIN(`tlx`) as tlx,MIN(`tly`) as tly,MAX(`brx`) as brx,MAX(`bry`) as bry
FROM boxes
WHERE bgid = '$bgid'";
$crop = $db->GetRow($sql);
$image = imagecreatefromstring($row['image']);
header("Content-type: image/png");
if (!empty($rows))
imagepng(crop(overlay($image,$rows),$crop));
else
imagepng($image);
}
else if (isset($_GET['filename']))
{
$im = imagecreatefrompng($_GET['filename']);
header('Content-type: image/png');
imagepng($im);
imagedestroy($im);
}
else if (isset($_GET['pid']))
{
include("config.inc.php");
include("db.inc.php");
include("functions/functions.image.php");
global $db;
$pid = intval($_GET['pid']);
if (isset($_GET['fid']))
{
$fid = intval($_GET['fid']);
$sql = "SELECT *
FROM formpages
WHERE pid = $pid and fid = $fid";
$row = $db->GetRow($sql);
if (empty($row)) exit;
if ($row['filename'] == '')
{
$im = imagecreatefromstring($row['image']);
}
else
{
$im = imagecreatefrompng(IMAGES_DIRECTORY . $row['filename']);
}
if (isset($_GET['bid']))
{
$bid = intval($_GET['bid']);
$sql = "SELECT tlx,tly,brx,bry
FROM boxes
WHERE bid = '$bid'";
$box = $db->GetRow($sql);
$row['width'] = imagesx($im);
$row['height'] = imagesy($im);
//$im = st_ocr($im,calcoffset($box,$row['offx'],$row['offy']));
//header("Content-type: image/png");
//imagepng($im);
//exit;
$box['tlx']+= BOX_EDGE;
$box['tly']+= BOX_EDGE;
$box['brx']-= BOX_EDGE;
$box['bry']-= BOX_EDGE;
header("Content-type: image/png");
$timage = crop($im,applytransforms($box,$row));
if(!isset($_GET['a'])){ imagepng($timage); die();}
// image_to_text($timage);
include("functions/functions.ocr.php");
$ktimage = kfill_modified($timage,5);
//invert_image($timage);
// if(isset($_GET['b'])){ imagepng($ktimage); die();}
// imagepng($ktimage); die();
// image_to_text($ktimage);
$ttimage = remove_boundary_noise($ktimage,2);
// if(isset($_GET['c'])){ imagepng($ttimage); die();}
// imagepng($ttimage); die();
// image_to_text($ttimage);
$kttimage = resize_bounding($ttimage);
// if(isset($_GET['d'])){ imagepng($kttimage); die();}
// imagepng($kttimage); die();
$i = thinzs_np($kttimage);
imagepng($i);
//imagepng(thin_b($timage));
die();
$box['tlx']+= BOX_EDGE;
$box['tly']+= BOX_EDGE;
$box['brx']-= BOX_EDGE;
$box['bry']-= BOX_EDGE;
header("Content-type: image/png");
imagepng(crop($im,applytransforms($box,$row)));
}
else
{
if (isset($_GET['zoom']))
{
header("Content-type: image/png");
imagepng($im);
}
else
{
$width = imagesx($im);
$height = imagesy($im);
$newwidth = DISPLAY_PAGE_WIDTH;
$newheight = round($height * (DISPLAY_PAGE_WIDTH/$width));
$thumb = imagecreatetruecolor($newwidth, $newheight);
imagepalettecopy($thumb,$im);
imagecopyresized($thumb, $im, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
header("Content-type: image/png");
imagepng($thumb);
}
}
}
else
{
$sql = "SELECT image
FROM pages
WHERE pid = $pid";
$row = $db->GetRow($sql);
if (empty($row)) exit;
header("Content-Type: image/png");
echo ($row['image']);
}
}
?>