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PDF: update rfpdf (#61).
https://github.com/edwinmoss/rfpdf revision a04724b4af95c15a99675b34e353c15534d20411 git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@5247 e93f8b46-1217-0410-a6f0-8f06a7374b81
This commit is contained in:
Toshi MARUYAMA
281
vendor/plugins/rfpdf/lib/barcode/c39object.rb
vendored
Executable file
281
vendor/plugins/rfpdf/lib/barcode/c39object.rb
vendored
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#============================================================+
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# File name : c39object.rb
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# Begin : 2002-07-31
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# Last Update : 2004-12-29
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# Author : Karim Mribti [barcode@mribti.com]
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# : Nicola Asuni [info@tecnick.com]
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# Version : 0.0.8a 2001-04-01 (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 : Code 39 Barcode Render Class for PHP using
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# the GD graphics library.
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# Code 39 is an alphanumeric bar code that can
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# encode decimal number, case alphabet and some
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# special symbols.
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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 Ruby
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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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#============================================================+
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#
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# Code 39 Barcode Render Class.<br>
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# Code 39 is an alphanumeric bar code that can encode decimal number, case alphabet and some special symbols.
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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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#
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# Code 39 Barcode Render Class.<br>
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# Code 39 is an alphanumeric bar code that can encode decimal number, case alphabet and some special symbols.
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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 C39Object extends BarcodeObject {
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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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# @param int $Value value to print on barcode.
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#
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def __construct($Width, $Height, $Style, $Value)
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parent::__construct($Width, $Height, $Style);
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@mValue = $Value;
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@mChars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ-.#$/+%";
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@mCharSet = array (
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# 0 # "000110100",
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# 1 # "100100001",
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# 2 # "001100001",
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# 3 # "101100000",
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# 4 # "000110001",
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# 5 # "100110000",
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# 6 # "001110000",
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# 7 # "000100101",
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# 8 # "100100100",
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# 9 # "001100100",
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# A # "100001001",
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# B # "001001001",
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# C # "101001000",
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# D # "000011001",
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# E # "100011000",
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# F # "001011000",
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# G # "000001101",
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# H # "100001100",
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# I # "001001100",
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# J # "000011100",
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# K # "100000011",
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# L # "001000011",
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# M # "101000010",
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# N # "000010011",
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# O # "100010010",
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# P # "001010010",
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# Q # "000000111",
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# R # "100000110",
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# S # "001000110",
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# T # "000010110",
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# U # "110000001",
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# V # "011000001",
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# W # "111000000",
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# X # "010010001",
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# Y # "110010000",
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# Z # "011010000",
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# - # "010000101",
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# . # "110000100",
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# SP# "011000100",
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/*# # "010010100",
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# $ # "010101000",
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# / # "010100010",
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# + # "010001010",
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# % # "000101010"
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);
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end
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#
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# Returns the character index.
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# @param char $char character.
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# @return int character index or -1 in case of error.
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# @access private
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#
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def GetCharIndex($char)
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for ($i=0;$i<44;$i++)
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if (@mChars[$i] == $char)
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return $i;
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end
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end
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return -1;
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end
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#
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# Returns barcode size.
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# @param int $xres Horizontal resolution.
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# @return barcode size.
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# @access private
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#
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def GetSize($xres)
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$len = @mValue.length;
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if ($len == 0) {
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@mError = "Null value";
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return false;
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end
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for ($i=0;$i<$len;$i++)
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if (GetCharIndex(@mValue[$i]) == -1 || @mValue[$i] == '*')
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# The asterisk is only used as a start and stop code#
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@mError = "C39 not include the char '".@mValue[$i]."'";
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return false;
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end
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end
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# Start, Stop is 010010100 == '*' #
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$StartSize = BCD_C39_NARROW_BAR# $xres# 6 + BCD_C39_WIDE_BAR# $xres# 3;
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$StopSize = BCD_C39_NARROW_BAR# $xres# 6 + BCD_C39_WIDE_BAR# $xres# 3;
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$CharSize = BCD_C39_NARROW_BAR# $xres# 6 + BCD_C39_WIDE_BAR# $xres# 3; # Same for all chars#
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return $CharSize# $len + $StartSize + $StopSize + # Space between chars# BCD_C39_NARROW_BAR# $xres# ($len-1);
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end
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#
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# Draws the start code.
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# @param int $DrawPos Drawing position.
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# @param int $yPos Vertical position.
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# @param int $ySize Vertical size.
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# @param int $xres Horizontal resolution.
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# @return int drawing position.
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# @access private
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#
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def DrawStart($DrawPos, $yPos, $ySize, $xres)
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# Start code is '*'#
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$narrow = BCD_C39_NARROW_BAR# $xres;
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$wide = BCD_C39_WIDE_BAR# $xres;
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@DrawSingleBar($DrawPos, $yPos, $narrow , $ySize);
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$DrawPos += $narrow;
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$DrawPos += $wide;
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@DrawSingleBar($DrawPos, $yPos, $narrow , $ySize);
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$DrawPos += $narrow;
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$DrawPos += $narrow;
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@DrawSingleBar($DrawPos, $yPos, $wide , $ySize);
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$DrawPos += $wide;
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$DrawPos += $narrow;
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@DrawSingleBar($DrawPos, $yPos, $wide , $ySize);
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$DrawPos += $wide;
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$DrawPos += $narrow;
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@DrawSingleBar($DrawPos, $yPos, $narrow, $ySize);
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$DrawPos += $narrow;
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$DrawPos += $narrow; # Space between chars#
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return $DrawPos;
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end
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#
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# Draws the stop code.
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# @param int $DrawPos Drawing position.
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# @param int $yPos Vertical position.
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# @param int $ySize Vertical size.
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# @param int $xres Horizontal resolution.
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# @return int drawing position.
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# @access private
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#
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def DrawStop($DrawPos, $yPos, $ySize, $xres)
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# Stop code is '*'#
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$narrow = BCD_C39_NARROW_BAR# $xres;
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$wide = BCD_C39_WIDE_BAR# $xres;
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@DrawSingleBar($DrawPos, $yPos, $narrow , $ySize);
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$DrawPos += $narrow;
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$DrawPos += $wide;
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@DrawSingleBar($DrawPos, $yPos, $narrow , $ySize);
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$DrawPos += $narrow;
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$DrawPos += $narrow;
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@DrawSingleBar($DrawPos, $yPos, $wide , $ySize);
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$DrawPos += $wide;
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$DrawPos += $narrow;
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@DrawSingleBar($DrawPos, $yPos, $wide , $ySize);
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$DrawPos += $wide;
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$DrawPos += $narrow;
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@DrawSingleBar($DrawPos, $yPos, $narrow, $ySize);
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$DrawPos += $narrow;
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return $DrawPos;
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end
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#
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# Draws the barcode object.
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# @param int $xres Horizontal resolution.
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# @return bool true in case of success.
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#
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def DrawObject($xres)
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$len = @mValue.length;
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$narrow = BCD_C39_NARROW_BAR# $xres;
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$wide = BCD_C39_WIDE_BAR# $xres;
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if (($size = GetSize($xres))==0)
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return false;
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end
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$cPos = 0;
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if (@mStyle & BCS_ALIGN_CENTER) $sPos = (integer)((@mWidth - $size ) / 2);
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elsif (@mStyle & BCS_ALIGN_RIGHT) $sPos = @mWidth - $size;
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else $sPos = 0;
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# Total height of bar code -Bars only-#
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if (@mStyle & BCS_DRAW_TEXT) $ysize = @mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2 - GetFontHeight(@mFont);
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else $ysize = @mHeight - BCD_DEFAULT_MAR_Y1 - BCD_DEFAULT_MAR_Y2;
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# Draw text#
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if (@mStyle & BCS_DRAW_TEXT)
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if (@mStyle & BCS_STRETCH_TEXT)
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for ($i=0;$i<$len;$i++)
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@DrawChar(@mFont, $sPos+($narrow*6+$wide*3)+($size/$len)*$i,
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$ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, @mValue[$i]);
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else# Center#
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$text_width = GetFontWidth(@mFont)# @mValue.length;
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@DrawText(@mFont, $sPos+(($size-$text_width)/2)+($narrow*6+$wide*3),
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$ysize + BCD_DEFAULT_MAR_Y1 + BCD_DEFAULT_TEXT_OFFSET, @mValue);
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end
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end
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$DrawPos = @DrawStart($sPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
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do {
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$c = GetCharIndex(@mValue[$cPos]);
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$cset = @mCharSet[$c];
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@DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, ($cset[0] == '0') ? $narrow : $wide , $ysize);
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$DrawPos += ($cset[0] == '0') ? $narrow : $wide;
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$DrawPos += ($cset[1] == '0') ? $narrow : $wide;
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@DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, ($cset[2] == '0') ? $narrow : $wide , $ysize);
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$DrawPos += ($cset[2] == '0') ? $narrow : $wide;
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$DrawPos += ($cset[3] == '0') ? $narrow : $wide;
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@DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, ($cset[4] == '0') ? $narrow : $wide , $ysize);
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$DrawPos += ($cset[4] == '0') ? $narrow : $wide;
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$DrawPos += ($cset[5] == '0') ? $narrow : $wide;
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@DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, ($cset[6] == '0') ? $narrow : $wide , $ysize);
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$DrawPos += ($cset[6] == '0') ? $narrow : $wide;
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$DrawPos += ($cset[7] == '0') ? $narrow : $wide;
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@DrawSingleBar($DrawPos, BCD_DEFAULT_MAR_Y1, ($cset[8] == '0') ? $narrow : $wide , $ysize);
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$DrawPos += ($cset[8] == '0') ? $narrow : $wide;
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$DrawPos += $narrow; # Space between chars#
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$cPos += 1;
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end while ($cPos<$len);
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$DrawPos = @DrawStop($DrawPos, BCD_DEFAULT_MAR_Y1 , $ysize, $xres);
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return true;
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end
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}
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#============================================================+
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# END OF FILE
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#============================================================+
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