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authorChris Buechler <cmb@pfsense.org>2011-01-25 05:20:28 -0500
committerChris Buechler <cmb@pfsense.org>2011-01-25 05:21:06 -0500
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treebba85a3958c7c11a8ce0bc8d6b0addad3a24c2f1 /config/dspam/pear/Image/Canvas/PDF.php
parentdc3d5f22067dd659e4e8bd407e0745f78769fc85 (diff)
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-<?php
-
-/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
-
-/**
- * Class for handling output in PDF format.
- *
- * Requires PHP extension PDFlib
- *
- * PHP versions 4 and 5
- *
- * LICENSE: This library is free software; you can redistribute it and/or modify
- * it under the terms of the GNU Lesser General Public License as published by
- * the Free Software Foundation; either version 2.1 of the License, or (at your
- * option) any later version. This library 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 Lesser
- * General Public License for more details. You should have received a copy of
- * the GNU Lesser General Public License along with this library; if not, write
- * to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- * 02111-1307 USA
- *
- * @category Images
- * @package Image_Canvas
- * @author Jesper Veggerby <pear.nosey@veggerby.dk>
- * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
- * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
- * @version CVS: $Id$
- * @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
- */
-
-/**
- * Include file Image/Canvas.php
- */
-require_once 'Image/Canvas.php';
-
-/**
- * Include file Image/Canvas/Color.php
- */
-require_once 'Image/Canvas/Color.php';
-
-/**
- * PDF Canvas class.
- *
- * @category Images
- * @package Image_Canvas
- * @author Jesper Veggerby <pear.nosey@veggerby.dk>
- * @copyright Copyright (C) 2003, 2004 Jesper Veggerby Hansen
- * @license http://www.gnu.org/copyleft/lesser.html LGPL License 2.1
- * @version Release: @package_version@
- * @link http://pear.php.net/pepr/pepr-proposal-show.php?id=212
- */
-class Image_Canvas_PDF extends Image_Canvas
-{
-
- /**
- * The PDF document
- * @var resource
- * @access private
- */
- var $_pdf;
-
- /**
- * The major version of PDFlib
- * @var int
- * @access private
- */
- var $_pdflib;
-
- /**
- * The font
- * @var mixed
- * @access private
- */
- var $_pdfFont = false;
-
- /**
- * The width of the page
- * @var int
- * @access private
- */
- var $_pageWidth;
-
- /**
- * The height of the page
- * @var int
- * @access private
- */
- var $_pageHeight;
-
- /**
- * Create the PDF canvas.
- *
- * Parameters available:
- *
- * 'page' Specify the page/paper format for the graph's page, available
- * formats are: A0, A1, A2, A3, A4, A5, A6, B5, letter, legal, ledger,
- * 11x17, cd_front, inlay, inlay_nosides
- *
- * 'align' Alignment of the graph on the page, available options are:
- * topleft, topcenter, topright, leftcenter, center, rightcenter,
- * leftbottom, centerbottom, rightbottom
- *
- * 'orientation' Specifies the paper orientation, default is 'portrait' and
- * 'landscape' is also supported.
- *
- * 'creator' The creator tag of the PDF/graph
- *
- * 'author' The author tag of the PDF/graph
- *
- * 'title' The title tag of the PDF/graph
- *
- * 'width' The width of the graph on the page
- *
- * 'height' The height of the graph on the page
- *
- * 'left' The left offset of the graph on the page
- *
- * 'top' The top offset of the graph on the page
- *
- * 'filename' The PDF file to open/add page to, using 'filename' requires
- * the commercial version of PDFlib (http://www.pdflib.com/), this has for
- * obvious ($ 450) reasons not been tested
- *
- * 'pdf' An existing PDFlib PDF document to add the page to
- *
- * 'add_page' (true/false) Used together with 'pdf', to specify whether the
- * canvas should add a new graph page (true) or create the graph on the
- * current page (false), default is 'true'
- *
- * The 'page' and 'width' & 'height' can be mutually omitted, if 'page' is
- * omitted the page is created using dimensions of width x height, and if
- * width and height are omitted the page dimensions are used for the graph.
- *
- * If 'pdf' is specified, 'filename', 'creator', 'author' and 'title' has no
- * effect.
- *
- * 'left' and 'top' are overridden by 'align'
- *
- * It is required either to specify 'width' & 'height' or 'page'.
- *
- * The PDF format/PDFlib has some limitations on the capabilities, which
- * means some functionality available using other canvass (fx. alpha
- * blending and gradient fills) are not supported with PDF (see Canvas.txt
- * in the docs/ folder for further details)
- *
- * @param array $param Parameter array
- */
- function Image_Canvas_PDF($param)
- {
- if (isset($param['page'])) {
- switch (strtoupper($param['page'])) {
- case 'A0':
- $this->_pageWidth = 2380;
- $this->_pageHeight = 3368;
- break;
-
- case 'A1':
- $this->_pageWidth = 1684;
- $this->_pageHeight = 2380;
- break;
-
- case 'A2':
- $this->_pageWidth = 1190;
- $this->_pageHeight = 1684;
- break;
-
- case 'A3':
- $this->_pageWidth = 842;
- $this->_pageHeight = 1190;
- break;
-
- case 'A4':
- $this->_pageWidth = 595;
- $this->_pageHeight = 842;
- break;
-
- case 'A5':
- $this->_pageWidth = 421;
- $this->_pageHeight = 595;
- break;
-
- case 'A6':
- $this->_pageWidth = 297;
- $this->_pageHeight = 421;
- break;
-
- case 'B5':
- $this->_pageWidth = 501;
- $this->_pageHeight = 709;
- break;
-
- case 'LETTER':
- $this->_pageWidth = 612;
- $this->_pageHeight = 792;
- break;
-
- case 'LEGAL':
- $this->_pageWidth = 612;
- $this->_pageHeight = 1008;
- break;
-
- case 'LEDGER':
- $this->_pageWidth = 1224;
- $this->_pageHeight = 792;
- break;
-
- case '11X17':
- $this->_pageWidth = 792;
- $this->_pageHeight = 1224;
- break;
-
- case 'CD_FRONT':
- $this->_pageWidth = 337;
- $this->_pageHeight = 337;
- break;
-
- case 'INLAY':
- $this->_pageWidth = 425;
- $this->_pageHeight = 332;
- break;
-
- case 'INLAY_NOSIDES':
- $this->_pageWidth = 390;
- $this->_pageHeight = 332;
- break;
- }
- }
-
- if ((isset($param['orientation'])) && (strtoupper($param['orientation']) == 'LANDSCAPE')) {
- $w = $this->_pageWidth;
- $this->_pageWidth = $this->_pageHeight;
- $this->_pageHeight = $w;
- }
-
- parent::Image_Canvas($param);
-
- if (!$this->_pageWidth) {
- $this->_pageWidth = $this->_width;
- } elseif (!$this->_width) {
- $this->_width = $this->_pageWidth;
- }
-
- if (!$this->_pageHeight) {
- $this->_pageHeight = $this->_height;
- } elseif (!$this->_height) {
- $this->_height = $this->_pageHeight;
- }
-
- $this->_width = min($this->_width, $this->_pageWidth);
- $this->_height = min($this->_height, $this->_pageHeight);
-
- if ((isset($param['align'])) &&
- (($this->_width != $this->_pageWidth) || ($this->_height != $this->_pageHeight))
- ) {
- switch (strtoupper($param['align'])) {
- case 'TOPLEFT':
- $this->_top = 0;
- $this->_left = 0;
- break;
-
- case 'TOPCENTER':
- $this->_top = 0;
- $this->_left = ($this->_pageWidth - $this->_width) / 2;
- break;
-
- case 'TOPRIGHT':
- $this->_top = 0;
- $this->_left = $this->_pageWidth - $this->_width;
- break;
-
- case 'LEFTCENTER':
- $this->_top = ($this->_pageHeight - $this->_height) / 2;
- $this->_left = 0;
- break;
-
- case 'CENTER':
- $this->_top = ($this->_pageHeight - $this->_height) / 2;
- $this->_left = ($this->_pageWidth - $this->_width) / 2;
- break;
-
- case 'RIGHTCENTER':
- $this->_top = ($this->_pageHeight - $this->_height) / 2;
- $this->_left = $this->_pageWidth - $this->_width;
- break;
-
- case 'LEFTBOTTOM':
- $this->_top = $this->_pageHeight - $this->_height;
- $this->_left = 0;
- break;
-
- case 'CENTERBOTTOM':
- $this->_top = $this->_pageHeight - $this->_height;
- $this->_left = ($this->_pageWidth - $this->_width) / 2;
- break;
-
- case 'RIGHTBOTTOM':
- $this->_top = $this->_pageHeight - $this->_height;
- $this->_left = $this->_pageWidth - $this->_width;
- break;
- }
- }
-
- $this->_pdflib = $this->_version();
-
- $addPage = true;
- if ((isset($param['pdf'])) && (is_resource($param['pdf']))) {
- $this->_pdf =& $param['pdf'];
- if ((isset($param['add_page'])) && ($param['add_page'] === false)) {
- $addPage = false;
- }
- } else {
- $this->_pdf = pdf_new();
-
- if (isset($param['filename'])) {
- pdf_open_file($this->_pdf, $param['filename']);
- } else {
- pdf_open_file($this->_pdf, '');
- }
-
- pdf_set_parameter($this->_pdf, 'warning', 'true');
-
- pdf_set_info($this->_pdf, 'Creator', (isset($param['creator']) ? $param['creator'] : 'PEAR::Image_Canvas'));
- pdf_set_info($this->_pdf, 'Author', (isset($param['author']) ? $param['author'] : 'Jesper Veggerby'));
- pdf_set_info($this->_pdf, 'Title', (isset($param['title']) ? $param['title'] : 'Image_Canvas'));
- }
-
- if ($addPage) {
- pdf_begin_page($this->_pdf, $this->_pageWidth, $this->_pageHeight);
- }
- $this->_reset();
- }
-
- /**
- * Get the x-point from the relative to absolute coordinates
- *
- * @param float $x The relative x-coordinate (in percentage of total width)
- * @return float The x-coordinate as applied to the canvas
- * @access private
- */
- function _getX($x)
- {
- return $this->_left + $x;
- }
-
- /**
- * Get the y-point from the relative to absolute coordinates
- *
- * @param float $y The relative y-coordinate (in percentage of total width)
- * @return float The y-coordinate as applied to the canvas
- * @access private
- */
- function _getY($y)
- {
- return $this->_pageHeight - ($this->_top + $y);
- }
-
- /**
- * Get the color index for the RGB color
- *
- * @param int $color The color
- * @return int The GD image index of the color
- * @access private
- */
- function _color($color = false)
- {
- if (($color === false) || ($color === 'opague') || ($color === 'transparent')) {
- return false;
- } else {
- $color = Image_Canvas_Color::color2RGB($color);
- $color[0] = $color[0]/255;
- $color[1] = $color[1]/255;
- $color[2] = $color[2]/255;
- return $color;
- }
- }
-
- /**
- * Get the PDF linestyle
- *
- * @param mixed $lineStyle The line style to return, false if the one
- * explicitly set
- * @return bool True if set (so that a line should be drawn)
- * @access private
- */
- function _setLineStyle($lineStyle = false)
- {
- if ($lineStyle === false) {
- $lineStyle = $this->_lineStyle;
- }
-
- if (($lineStyle == 'transparent') || ($lineStyle === false)) {
- return false;
- }
-
- if (is_array($lineStyle)) {
- // TODO Implement linestyles in PDFlib (using pdf_setcolor(.., 'pattern'...); ?
- reset($lineStyle);
- $lineStyle = current($lineStyle);
- }
-
- $color = $this->_color($lineStyle);
-
- pdf_setlinewidth($this->_pdf, $this->_thickness);
- if ($this->_pdflib < 4) {
- pdf_setrgbcolor_stroke($this->_pdf, $color[0]/255, $color[1]/255, $color[2]/255);
- } else {
- pdf_setcolor($this->_pdf, 'stroke', 'rgb', $color[0], $color[1], $color[2], 0);
- }
- return true;
- }
-
- /**
- * Set the PDF fill style
- *
- * @param mixed $fillStyle The fillstyle to return, false if the one
- * explicitly set
- * @return bool True if set (so that a line should be drawn)
- * @access private
- */
- function _setFillStyle($fillStyle = false)
- {
- if ($fillStyle === false) {
- $fillStyle = $this->_fillStyle;
- }
-
- if (($fillStyle == 'transparent') || ($fillStyle === false)) {
- return false;
- }
-
- $color = $this->_color($fillStyle);
-
- if ($this->_pdflib < 4) {
- pdf_setrgbcolor_fill($this->_pdf, $color[0]/255, $color[1]/255, $color[2]/255);
- } else {
- pdf_setcolor($this->_pdf, 'fill', 'rgb', $color[0], $color[1], $color[2], 0);
- }
- return true;
- }
-
- /**
- * Set the PDF font
- *
- * @access private
- */
- function _setFont()
- {
- $this->_pdfFont = false;
- if (isset($this->_font['name'])) {
- pdf_set_parameter($this->_pdf, 'FontOutline', $this->_font['name'] . '=' . $this->_font['file']);
- $this->_pdfFont = pdf_findfont($this->_pdf, $this->_font['name'], $this->_font['encoding'], 1);
-
- if ($this->_pdfFont) {
- pdf_setfont($this->_pdf, $this->_pdfFont, $this->_font['size']);
- $this->_setFillStyle($this->_font['color']);
- }
- } else {
- $this->_setFillStyle('black');
- }
- }
-
- /**
- * Sets an image that should be used for filling.
- *
- * Image filling is not supported with PDF, filling 'transparent'
- *
- * @param string $filename The filename of the image to fill with
- */
- function setFillImage($filename)
- {
- $this->_fillStyle = 'transparent';
- }
-
- /**
- * Sets a gradient fill
- *
- * Gradient filling is not supported with PDF, end color used as solid fill.
- *
- * @param array $gradient Gradient fill options
- */
- function setGradientFill($gradient)
- {
- $this->_fillStyle = $gradient['end'];
- }
-
- /**
- * Sets the font options.
- *
- * The $font array may have the following entries:
- *
- * 'ttf' = the .ttf file (either the basename, filename or full path)
- * If 'ttf' is specified, then the following can be specified
- *
- * 'size' = size in pixels
- *
- * 'angle' = the angle with which to write the text
- *
- * @param array $font The font options.
- */
- function setFont($fontOptions)
- {
- parent::setFont($fontOptions);
-
- if (!isset($this->_font['size'])) {
- $this->_font['size'] = 12;
- }
-
- if (!isset($this->_font['encoding'])) {
- $this->_font['encoding'] = 'winansi';
- }
-
- if (!isset($this->_font['color'])) {
- $this->_font['color'] = 'black';
- }
- }
-
- /**
- * Resets the canvas.
- *
- * Includes fillstyle, linestyle, thickness and polygon
- *
- * @access private
- */
- function _reset()
- {
- pdf_initgraphics($this->_pdf);
- parent::_reset();
- }
-
- /**
- * Draw a line
- *
- * Parameter array:
- * 'x0': int X start point
- * 'y0': int Y start point
- * 'x1': int X end point
- * 'y1': int Y end point
- * 'color': mixed [optional] The line color
- * @param array $params Parameter array
- */
- function line($params)
- {
- $color = (isset($params['color']) ? $params['color'] : false);
- if ($this->_setLineStyle($color)) {
- pdf_moveto($this->_pdf, $this->_getX($params['x0']), $this->_getY($params['y0']));
- pdf_lineto($this->_pdf, $this->_getX($params['x1']), $this->_getY($params['x1']));
- pdf_stroke($this->_pdf);
- }
- parent::line($params);
- }
-
- /**
- * Parameter array:
- * 'connect': bool [optional] Specifies whether the start point should be
- * connected to the endpoint (closed polygon) or not (connected line)
- * 'fill': mixed [optional] The fill color
- * 'line': mixed [optional] The line color
- * @param array $params Parameter array
- */
- function polygon($params = array())
- {
- $connectEnds = (isset($params['connect']) ? $params['connect'] : false);
- $fillColor = (isset($params['fill']) ? $params['line'] : false);
- $lineColor = (isset($params['line']) ? $params['line'] : false);
-
- $line = $this->_setLineStyle($lineColor);
- $fill = false;
- if ($connectEnds) {
- $fill = $this->_setFillStyle($fillColor);
- }
-
- $first = true;
- foreach ($this->_polygon as $point) {
- if ($first === true) {
- pdf_moveto($this->_pdf, $point['X'], $point['Y']);
- $first = $point;
- } else {
- if (isset($last['P1X'])) {
- pdf_curveto($this->_pdf,
- $last['P1X'],
- $last['P1Y'],
- $last['P2X'],
- $last['P2Y'],
- $point['X'],
- $point['Y']
- );
- } else {
- pdf_lineto($this->_pdf,
- $point['X'],
- $point['Y']
- );
- }
- }
- $last = $point;
- }
-
- if ($connectEnds) {
- if (isset($last['P1X'])) {
- pdf_curveto($this->_pdf,
- $last['P1X'],
- $last['P1Y'],
- $last['P2X'],
- $last['P2Y'],
- $first['X'],
- $first['Y']
- );
- } else {
- pdf_lineto($this->_pdf,
- $first['X'],
- $first['Y']
- );
- }
- }
-
- if (($line) && ($fill)) {
- pdf_fill_stroke($this->_pdf);
- } elseif ($line) {
- pdf_stroke($this->_pdf);
- } elseif ($fill) {
- pdf_fill($this->_pdf);
- }
- parent::polygon($params);
- }
-
- /**
- * Draw a rectangle
- *
- * Parameter array:
- * 'x0': int X start point
- * 'y0': int Y start point
- * 'x1': int X end point
- * 'y1': int Y end point
- * 'fill': mixed [optional] The fill color
- * 'line': mixed [optional] The line color
- * @param array $params Parameter array
- */
- function rectangle($params)
- {
- $x0 = $this->_getX($params['x0']);
- $y0 = $this->_getY($params['y0']);
- $x1 = $this->_getX($params['x1']);
- $y1 = $this->_getY($params['y1']);
- $fillColor = (isset($params['fill']) ? $params['line'] : false);
- $lineColor = (isset($params['line']) ? $params['line'] : false);
-
- $line = $this->_setLineStyle($lineColor);
- $fill = $this->_setFillStyle($fillColor);
- if (($line) || ($fill)) {
- pdf_rect($this->_pdf, $this->_getX(min($x0, $x1)), $this->_getY(max($y0, $y1)), abs($x1 - $x0), abs($y1 - $y0));
- if (($line) && ($fill)) {
- pdf_fill_stroke($this->_pdf);
- } elseif ($line) {
- pdf_stroke($this->_pdf);
- } elseif ($fill) {
- pdf_fill($this->_pdf);
- }
- }
- parent::rectangle($params);
- }
-
- /**
- * Draw an ellipse
- *
- * Parameter array:
- * 'x': int X center point
- * 'y': int Y center point
- * 'rx': int X radius
- * 'ry': int Y radius
- * 'fill': mixed [optional] The fill color
- * 'line': mixed [optional] The line color
- * @param array $params Parameter array
- */
- function ellipse($params)
- {
- $x = $this->_getX($params['x']);
- $y = $this->_getY($params['y']);
- $rx = $this->_getX($params['rx']);
- $ry = $this->_getY($params['ry']);
- $fillColor = (isset($params['fill']) ? $params['line'] : false);
- $lineColor = (isset($params['line']) ? $params['line'] : false);
-
- $line = $this->_setLineStyle($lineColor);
- $fill = $this->_setFillStyle($fillColor);
- if (($line) || ($fill)) {
- if ($rx == $ry) {
- pdf_circle($this->_pdf, $this->_getX($x), $this->_getY($y), $rx);
- } else {
- pdf_moveto($this->_pdf, $this->_getX($x - $rx), $this->_getY($y));
- pdf_curveto($this->_pdf,
- $this->_getX($x - $rx), $this->_getY($y),
- $this->_getX($x - $rx), $this->_getY($y - $ry),
- $this->_getX($x), $this->_getY($y - $ry)
- );
- pdf_curveto($this->_pdf,
- $this->_getX($x), $this->_getY($y - $ry),
- $this->_getX($x + $rx), $this->_getY($y - $ry),
- $this->_getX($x + $rx), $this->_getY($y)
- );
- pdf_curveto($this->_pdf,
- $this->_getX($x + $rx), $this->_getY($y),
- $this->_getX($x + $rx), $this->_getY($y + $ry),
- $this->_getX($x), $this->_getY($y + $ry)
- );
- pdf_curveto($this->_pdf,
- $this->_getX($x), $this->_getY($y + $ry),
- $this->_getX($x - $rx), $this->_getY($y + $ry),
- $this->_getX($x - $rx), $this->_getY($y)
- );
- }
-
- if (($line) && ($fill)) {
- pdf_fill_stroke($this->_pdf);
- } elseif ($line) {
- pdf_stroke($this->_pdf);
- } elseif ($fill) {
- pdf_fill($this->_pdf);
- }
- }
- parent::ellipse($params);
- }
-
- /**
- * Draw a pie slice
- *
- * Parameter array:
- * 'x': int X center point
- * 'y': int Y center point
- * 'rx': int X radius
- * 'ry': int Y radius
- * 'v1': int The starting angle (in degrees)
- * 'v2': int The end angle (in degrees)
- * 'srx': int [optional] Starting X-radius of the pie slice (i.e. for a doughnut)
- * 'sry': int [optional] Starting Y-radius of the pie slice (i.e. for a doughnut)
- * 'fill': mixed [optional] The fill color
- * 'line': mixed [optional] The line color
- * @param array $params Parameter array
- */
- function pieslice($params)
- {
- $x = $this->_getX($params['x']);
- $y = $this->_getY($params['y']);
- $rx = $this->_getX($params['rx']);
- $ry = $this->_getY($params['ry']);
- $v1 = $this->_getX($params['v1']);
- $v2 = $this->_getY($params['v2']);
- $srx = $this->_getX($params['srx']);
- $sry = $this->_getY($params['sry']);
- $fillColor = (isset($params['fill']) ? $params['line'] : false);
- $lineColor = (isset($params['line']) ? $params['line'] : false);
-
- // TODO Implement PDFLIB::pieSlice()
- parent::pieslice($params);
- }
-
- /**
- * Get the width of a text,
- *
- * @param string $text The text to get the width of
- * @return int The width of the text
- */
- function textWidth($text)
- {
- if ($this->_pdfFont === false) {
- return $this->_font['size'] * 0.7 * strlen($text);
- } else {
- return pdf_stringwidth($this->_pdf, $text, $this->_pdfFont, $this->_font['size']);
- }
- }
-
- /**
- * Get the height of a text,
- *
- * @param string $text The text to get the height of
- * @return int The height of the text
- */
- function textHeight($text)
- {
- if (isset($this->_font['size'])) {
- return $this->_font['size'];
- } else {
- return 12;
- }
- }
-
- /**
- * Writes text
- *
- * Parameter array:
- * 'x': int X-point of text
- * 'y': int Y-point of text
- * 'text': string The text to add
- * 'alignment': array [optional] Alignment
- * 'color': mixed [optional] The color of the text
- */
- function addText($params)
- {
- $x = $this->_getX($params['x']);
- $y = $this->_getY($params['y']);
- $text = $params['text'];
- $color = (isset($params['color']) ? $params['color'] : false);
- $alignment = (isset($params['alignment']) ? $params['alignment'] : false);
-
- $this->_setFont();
-
- $textWidth = $this->textWidth($text);
- $textHeight = $this->textHeight($text);
-
- if (!is_array($alignment)) {
- $alignment = array('vertical' => 'top', 'horizontal' => 'left');
- }
-
- if (!isset($alignment['vertical'])) {
- $alignment['vertical'] = 'top';
- }
-
- if (!isset($alignment['horizontal'])) {
- $alignment['horizontal'] = 'left';
- }
-
- if ($alignment['horizontal'] == 'right') {
- $x = $x - $textWidth;
- } elseif ($alignment['horizontal'] == 'center') {
- $x = $x - ($textWidth / 2);
- }
-
- if ($alignment['vertical'] == 'top') {
- $y = $y + $textHeight;
- } elseif ($alignment['vertical'] == 'center') {
- $y = $y + ($textHeight / 2);
- }
-
- if (($color === false) && (isset($this->_font['color']))) {
- $color = $this->_font['color'];
- }
-
- pdf_show_xy($this->_pdf, $text, $this->_getX($x), $this->_getY($y));
-
- parent::addText($params);
- }
-
- /**
- * Overlay image
- *
- * Parameter array:
- * 'x': int X-point of overlayed image
- * 'y': int Y-point of overlayed image
- * 'filename': string The filename of the image to overlay
- * 'width': int [optional] The width of the overlayed image (resizing if possible)
- * 'height': int [optional] The height of the overlayed image (resizing if possible)
- * 'alignment': array [optional] Alignment
- */
- function image($params)
- {
- $x = $this->_getX($params['x']);
- $y = $this->_getY($params['y']);
- $filename = $params['filename'];
- $width = (isset($params['width']) ? $params['width'] : false);
- $height = (isset($params['height']) ? $params['height'] : false);
- $alignment = (isset($params['alignment']) ? $params['alignment'] : false);
-
- if (substr($filename, -4) == '.png') {
- $type = 'png';
- } elseif (substr($filename, -4) == '.jpg') {
- $type = 'jpeg';
- }
-
- $image = pdf_load_image($this->_pdf, $type, realpath($filename), '');
- $width_ = pdf_get_value($this->_pdf, 'imagewidth', $image);
- $height_ = pdf_get_value($this->_pdf, 'imageheight', $image);
-
- $outputWidth = ($width !== false ? $width : $width_);
- $outputHeight = ($height !== false ? $height : $height_);
-
- if (!is_array($alignment)) {
- $alignment = array('vertical' => 'top', 'horizontal' => 'left');
- }
-
- if (!isset($alignment['vertical'])) {
- $alignment['vertical'] = 'top';
- }
-
- if (!isset($alignment['horizontal'])) {
- $alignment['horizontal'] = 'left';
- }
-
- if ($alignment['horizontal'] == 'right') {
- $x -= $outputWidth;
- } elseif ($alignment['horizontal'] == 'center') {
- $x -= $outputWidth / 2;
- }
-
- if ($alignment['vertical'] == 'top') {
- $y += $outputHeight;
- } elseif ($alignment['vertical'] == 'center') {
- $y += $outputHeight / 2;
- }
-
- if (($width === false) && ($height === false)) {
- $scale = 1;
- } else {
- $scale = max(($height/$height_), ($width/$width_));
- }
-
- pdf_place_image($this->_pdf, $image, $this->_getX($x), $this->_getY($y), $scale);
- pdf_close_image($this->_pdf, $image);
-
- parent::image($params);
- }
-
- /**
- * Output the result of the canvas
- *
- * @param array $param Parameter array
- * @abstract
- */
- function show($param = false)
- {
- parent::show($param);
- pdf_end_page($this->_pdf);
- pdf_close($this->_pdf);
-
- $buf = pdf_get_buffer($this->_pdf);
- $len = strlen($buf);
-
- header('Content-type: application/pdf');
- header('Content-Length: ' . $len);
- header('Content-Disposition: inline; filename=image_graph.pdf');
- print $buf;
-
- pdf_delete($this->_pdf);
- }
-
- /**
- * Output the result of the canvas
- *
- * @param array $param Parameter array
- * @abstract
- */
- function save($param = false)
- {
- parent::save($param);
- pdf_end_page($this->_pdf);
- pdf_close($this->_pdf);
-
- $buf = pdf_get_buffer($this->_pdf);
- $len = strlen($buf);
-
- $fp = @fopen($param['filename'], 'wb');
- if ($fp) {
- fwrite($fp, $buf, strlen($buf));
- fclose($fp);
- }
- pdf_delete($this->_pdf);
- }
-
- /**
- * Get a canvas specific HTML tag.
- *
- * This method implicitly saves the canvas to the filename in the
- * filesystem path specified and parses it as URL specified by URL path
- *
- * Parameter array:
- * 'filename': string
- * 'filepath': string Path to the file on the file system. Remember the final slash
- * 'urlpath': string Path to the file available through an URL. Remember the final slash
- * 'title': string The url title
- */
- function toHtml($params)
- {
- parent::toHtml($params);
- return '<a href="' . $params['urlpath'] . $params['filename'] . '">' . $params['title'] . '</a>';
- }
-
- /**
- * Check which major version of PDFlib is installed
- *
- * @return int The mahor version number of PDFlib
- * @access private
- */
- function _version()
- {
- $result = false;
- if (function_exists('pdf_get_majorversion')) {
- $version = pdf_get_majorversion();
- } else {
- ob_start();
- phpinfo(8);
- $php_info = ob_get_contents();
- ob_end_clean();
-
- if (ereg("<td[^>]*>PDFlib GmbH Version *<\/td><td[^>]*>([^<]*)<\/td>",
- $php_info, $result))
- {
- $version = $result[1];
- }
- }
-
- if (ereg('([0-9]{1,2})\.[0-9]{1,2}(\.[0-9]{1,2})?', trim($version), $result)) {
- return $result[1];
- } else {
- return 0;
- }
- }
-
-}
-
-?> \ No newline at end of file