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<?php |
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//============================================================+ |
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// File name : barcode.php |
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// Begin : 2002-07-31 |
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// Last Update : 2005-01-02 |
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// Author : Karim Mribti [[email protected]] |
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// Version : 1.1 [0.0.8a (original code)] |
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// License : GNU LGPL (Lesser General Public License) 2.1 |
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// http://www.gnu.org/copyleft/lesser.txt |
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// Source Code : http://www.mribti.com/barcode/ |
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// |
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// Description : Generic Barcode Render Class for PHP using |
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// the GD graphics library. |
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// |
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// NOTE: |
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// This version contains changes by Nicola Asuni: |
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// - porting to PHP4 |
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// - code style and formatting |
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// - automatic php documentation in PhpDocumentor Style |
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// (www.phpdoc.org) |
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// - minor bug fixing |
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// - $mCharSet and $mChars variables were added here |
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//============================================================+ |
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/** |
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* Barcode Render Class for PHP using the GD graphics library. |
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* @author Karim Mribti, Nicola Asuni |
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* @name BarcodeObject |
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* @package com.tecnick.tcpdf |
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* @version 0.0.8a 2001-04-01 (original code) |
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* @since 2001-03-25 |
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* @license http://www.gnu.org/copyleft/lesser.html LGPL |
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*/ |
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// Styles |
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// Global |
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/** |
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* option: generate barcode border |
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*/ |
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define("BCS_BORDER", 1); |
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/** |
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* option: use transparent background |
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*/ |
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define("BCS_TRANSPARENT", 2); |
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/** |
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* option: center barcode |
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*/ |
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define("BCS_ALIGN_CENTER", 4); |
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/** |
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* option: align left |
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*/ |
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define("BCS_ALIGN_LEFT", 8); |
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/** |
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* option: align right |
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*/ |
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define("BCS_ALIGN_RIGHT", 16); |
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/** |
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* option: generate JPEG image |
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*/ |
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define("BCS_IMAGE_JPEG", 32); |
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/** |
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* option: generate PNG image |
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*/ |
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define("BCS_IMAGE_PNG", 64); |
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/** |
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* option: draw text |
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*/ |
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define("BCS_DRAW_TEXT", 128); |
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/** |
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* option: stretch text |
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*/ |
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define("BCS_STRETCH_TEXT", 256); |
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/** |
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* option: reverse color |
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*/ |
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define("BCS_REVERSE_COLOR", 512); |
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/** |
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* option: draw check |
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* (only for I25 code) |
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*/ |
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define("BCS_I25_DRAW_CHECK", 2048); |
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/** |
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* set default background color |
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*/ |
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define("BCD_DEFAULT_BACKGROUND_COLOR", 0xFFFFFF); |
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/** |
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* set default foreground color |
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*/ |
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define("BCD_DEFAULT_FOREGROUND_COLOR", 0x000000); |
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/** |
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* set default style options |
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*/ |
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define("BCD_DEFAULT_STYLE", BCS_BORDER | BCS_ALIGN_CENTER | BCS_IMAGE_PNG); |
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/** |
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* set default width |
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*/ |
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define("BCD_DEFAULT_WIDTH", 460); |
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/** |
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* set default height |
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*/ |
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define("BCD_DEFAULT_HEIGHT", 120); |
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/** |
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* set default font |
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*/ |
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define("BCD_DEFAULT_FONT", 5); |
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/** |
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* st default horizontal resolution |
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*/ |
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define("BCD_DEFAULT_XRES", 2); |
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// Margins |
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/** |
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* set default margin |
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*/ |
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define("BCD_DEFAULT_MAR_Y1", 0); |
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/** |
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* set default margin |
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*/ |
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define("BCD_DEFAULT_MAR_Y2", 0); |
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/** |
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* set default text offset |
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*/ |
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define("BCD_DEFAULT_TEXT_OFFSET", 2); |
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// For the I25 Only |
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/** |
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* narrow bar option |
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* (only for I25 code) |
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*/ |
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define("BCD_I25_NARROW_BAR", 1); |
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/** |
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* wide bar option |
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* (only for I25 code) |
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*/ |
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define("BCD_I25_WIDE_BAR", 2); |
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// For the C39 Only |
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/** |
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* narrow bar option |
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* (only for c39 code) |
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*/ |
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define("BCD_C39_NARROW_BAR", 1); |
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/** |
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* wide bar option |
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* (only for c39 code) |
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*/ |
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define("BCD_C39_WIDE_BAR", 2); |
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// For Code 128 |
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/** |
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* set type 1 bar |
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* (only for c128 code) |
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*/ |
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define("BCD_C128_BAR_1", 1); |
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/** |
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* set type 2 bar |
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* (only for c128 code) |
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*/ |
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define("BCD_C128_BAR_2", 2); |
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/** |
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* set type 3 bar |
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* (only for c128 code) |
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*/ |
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define("BCD_C128_BAR_3", 3); |
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/** |
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* set type 4 bar |
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* (only for c128 code) |
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*/ |
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define("BCD_C128_BAR_4", 4); |
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/** |
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* Barcode Render Class for PHP using the GD graphics library. |
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* @author Karim Mribti, Nicola Asuni |
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* @name BarcodeObject |
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* @package com.tecnick.tcpdf |
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* @version 0.0.8a 2001-04-01 (original code) |
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* @since 2001-03-25 |
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* @license http://www.gnu.org/copyleft/lesser.html LGPL |
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*/ |
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class BarcodeObject { |
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/** |
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* @var Image width in pixels. |
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* @access protected |
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*/ |
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var $mWidth; |
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/** |
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* @var Image height in pixels. |
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* @access protected |
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*/ |
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var $mHeight; |
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/** |
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* @var Numeric code for Barcode style. |
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* @access protected |
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*/ |
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var $mStyle; |
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/** |
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* @var Background color. |
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* @access protected |
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*/ |
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var $mBgcolor; |
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/** |
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* @var Brush color. |
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* @access protected |
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*/ |
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var $mBrush; |
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/** |
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* @var Image object. |
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* @access protected |
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*/ |
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var $mImg; |
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/** |
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* @var Numeric code for character font. |
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* @access protected |
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*/ |
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var $mFont; |
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/** |
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* @var Error message. |
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* @access protected |
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*/ |
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var $mError; |
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/** |
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* @var Character Set. |
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* @access protected |
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*/ |
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var $mCharSet; |
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/** |
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* @var Allowed symbols. |
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* @access protected |
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*/ |
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var $mChars; |
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/** |
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* Class Constructor. |
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* @param int $Width Image width in pixels. |
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* @param int $Height Image height in pixels. |
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* @param int $Style Barcode style. |
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*/ |
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function BarcodeObject($Width=BCD_DEFAULT_WIDTH, $Height=BCD_DEFAULT_HEIGHT, $Style=BCD_DEFAULT_STYLE) { |
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$this->mWidth = $Width; |
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$this->mHeight = $Height; |
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$this->mStyle = $Style; |
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$this->mFont = BCD_DEFAULT_FONT; |
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$this->mImg = ImageCreate($this->mWidth, $this->mHeight); |
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$dbColor = $this->mStyle & BCS_REVERSE_COLOR ? BCD_DEFAULT_FOREGROUND_COLOR : BCD_DEFAULT_BACKGROUND_COLOR; |
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$dfColor = $this->mStyle & BCS_REVERSE_COLOR ? BCD_DEFAULT_BACKGROUND_COLOR : BCD_DEFAULT_FOREGROUND_COLOR; |
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$this->mBgcolor = ImageColorAllocate($this->mImg, ($dbColor & 0xFF0000) >> 16, |
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($dbColor & 0x00FF00) >> 8, $dbColor & 0x0000FF); |
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$this->mBrush = ImageColorAllocate($this->mImg, ($dfColor & 0xFF0000) >> 16, |
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($dfColor & 0x00FF00) >> 8, $dfColor & 0x0000FF); |
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if (!($this->mStyle & BCS_TRANSPARENT)) { |
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ImageFill($this->mImg, $this->mWidth, $this->mHeight, $this->mBgcolor); |
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} |
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} |
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/** |
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* Returns the image object. |
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* @return object image. |
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* @author Nicola Asuni |
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* @since 1.5.2 |
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*/ |
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function getImage() { |
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return $this->mImg; |
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} |
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/** |
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* Abstract method used to draw the barcode image. |
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* @param int $xres Horizontal resolution. |
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*/ |
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function DrawObject($xres) { |
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/* there is not implementation neded, is simply the asbsract function. */ |
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return false; |
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} |
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/** |
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* Draws the barcode border. |
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* @access protected |
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*/ |
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function DrawBorder() { |
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ImageRectangle($this->mImg, 0, 0, $this->mWidth-1, $this->mHeight-1, $this->mBrush); |
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} |
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/** |
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* Draws the alphanumeric code. |
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* @param int $Font Font type. |
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* @param int $xPos Horiziontal position. |
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* @param int $yPos Vertical position. |
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* @param int $Char Alphanumeric code to write. |
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* @access protected |
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*/ |
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function DrawChar($Font, $xPos, $yPos, $Char) { |
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ImageString($this->mImg,$Font,$xPos,$yPos,$Char,$this->mBrush); |
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} |
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/** |
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* Draws a character string. |
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* @param int $Font Font type. |
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* @param int $xPos Horiziontal position. |
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* @param int $yPos Vertical position. |
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* @param int $Char string to write. |
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* @access protected |
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*/ |
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function DrawText($Font, $xPos, $yPos, $Char) { |
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ImageString($this->mImg,$Font,$xPos,$yPos,$Char,$this->mBrush); |
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} |
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/** |
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* Draws a single barcode bar. |
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* @param int $xPos Horiziontal position. |
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* @param int $yPos Vertical position. |
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* @param int $xSize Horizontal size. |
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* @param int $xSize Vertical size. |
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* @return bool trur in case of success, false otherwise. |
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* @access protected |
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*/ |
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function DrawSingleBar($xPos, $yPos, $xSize, $ySize) { |
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if ($xPos>=0 && $xPos<=$this->mWidth && ($xPos+$xSize)<=$this->mWidth && |
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$yPos>=0 && $yPos<=$this->mHeight && ($yPos+$ySize)<=$this->mHeight) { |
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for ($i=0;$i<$xSize;$i++) { |
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ImageLine($this->mImg, $xPos+$i, $yPos, $xPos+$i, $yPos+$ySize, $this->mBrush); |
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} |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Returns the current error message. |
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* @return string error message. |
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*/ |
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function GetError() { |
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return $this->mError; |
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} |
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/** |
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* Returns the font height. |
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* @param int $font font type. |
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* @return int font height. |
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*/ |
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function GetFontHeight($font) { |
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return ImageFontHeight($font); |
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} |
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|
381
|
|
|
/** |
382
|
|
|
* Returns the font width. |
383
|
|
|
* @param int $font font type. |
384
|
|
|
* @return int font width. |
385
|
|
|
*/ |
386
|
|
|
function GetFontWidth($font) { |
|
|
|
|
387
|
|
|
return ImageFontWidth($font); |
388
|
|
|
} |
389
|
|
|
|
390
|
|
|
/** |
391
|
|
|
* Set font type. |
392
|
|
|
* @param int $font font type. |
393
|
|
|
*/ |
394
|
|
|
function SetFont($font) { |
|
|
|
|
395
|
|
|
$this->mFont = $font; |
|
|
|
|
396
|
|
|
} |
397
|
|
|
|
398
|
|
|
/** |
399
|
|
|
* Returns barcode style. |
400
|
|
|
* @return int barcode style. |
|
|
|
|
401
|
|
|
*/ |
402
|
|
|
function GetStyle() { |
|
|
|
|
403
|
|
|
return $this->mStyle; |
404
|
|
|
} |
405
|
|
|
|
406
|
|
|
/** |
407
|
|
|
* Set barcode style. |
408
|
|
|
* @param int $Style barcode style. |
409
|
|
|
*/ |
410
|
|
|
function SetStyle ($Style) { |
|
|
|
|
411
|
|
|
$this->mStyle = $Style; |
|
|
|
|
412
|
|
|
} |
413
|
|
|
|
414
|
|
|
/** |
415
|
|
|
* Flush the barcode image. |
416
|
|
|
*/ |
417
|
|
|
function FlushObject() { |
|
|
|
|
418
|
|
|
if (($this->mStyle & BCS_BORDER)) { |
419
|
|
|
$this->DrawBorder(); |
420
|
|
|
} |
421
|
|
|
if ($this->mStyle & BCS_IMAGE_PNG) { |
422
|
|
|
Header("Content-Type: image/png"); |
423
|
|
|
ImagePng($this->mImg); |
424
|
|
|
} else if ($this->mStyle & BCS_IMAGE_JPEG) { |
425
|
|
|
Header("Content-Type: image/jpeg"); |
426
|
|
|
ImageJpeg($this->mImg); |
427
|
|
|
} |
428
|
|
|
} |
429
|
|
|
|
430
|
|
|
/** |
431
|
|
|
* Destroy the barcode image. |
432
|
|
|
*/ |
433
|
|
|
function DestroyObject() { |
|
|
|
|
434
|
|
|
ImageDestroy($this->mImg); |
435
|
|
|
} |
436
|
|
|
} |
437
|
|
|
|
438
|
|
|
//============================================================+ |
439
|
|
|
// END OF FILE |
440
|
|
|
//============================================================+ |
441
|
|
|
?> |
|
|
|
|
Adding explicit visibility (
private
,protected
, orpublic
) is generally recommend to communicate to other developers how, and from where this method is intended to be used.