diff options
Diffstat (limited to 'config/archive/dspam/pear/Image/Canvas/PDF.php')
| -rw-r--r-- | config/archive/dspam/pear/Image/Canvas/PDF.php | 1007 |
1 files changed, 0 insertions, 1007 deletions
diff --git a/config/archive/dspam/pear/Image/Canvas/PDF.php b/config/archive/dspam/pear/Image/Canvas/PDF.php deleted file mode 100644 index 180263cb..00000000 --- a/config/archive/dspam/pear/Image/Canvas/PDF.php +++ /dev/null @@ -1,1007 +0,0 @@ -<?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; - } - } - -} - -?>
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