278 lines
7.8 KiB
PHP
278 lines
7.8 KiB
PHP
<?php
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/* vim: set expandtab sw=4 ts=4 sts=4: */
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/**
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* Classes to create relation schema in EPS format.
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*
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* @package PhpMyAdmin
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*/
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namespace PMA\libraries\plugins\schema\eps;
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use PMA\libraries\Response;
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/**
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* This Class is EPS Library and
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* helps in developing structure of EPS Schema Export
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*
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* @package PhpMyAdmin
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* @access public
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* @see https://php.net/manual/en/book.xmlwriter.php
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*/
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class Eps
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{
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public $font;
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public $fontSize;
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public $stringCommands;
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/**
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* The "Eps" constructor
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*
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* Upon instantiation This starts writing the EPS Document.
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* %!PS-Adobe-3.0 EPSF-3.0 This is the MUST first comment to include
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* it shows/tells that the Post Script document is purely under
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* Document Structuring Convention [DSC] and is Compliant
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* Encapsulated Post Script Document
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*/
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public function __construct()
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{
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$this->stringCommands = "";
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$this->stringCommands .= "%!PS-Adobe-3.0 EPSF-3.0 \n";
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}
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/**
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* Set document title
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*
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* @param string $value sets the title text
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*
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* @return void
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*/
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public function setTitle($value)
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{
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$this->stringCommands .= '%%Title: ' . $value . "\n";
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}
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/**
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* Set document author
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*
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* @param string $value sets the author
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*
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* @return void
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*/
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public function setAuthor($value)
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{
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$this->stringCommands .= '%%Creator: ' . $value . "\n";
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}
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/**
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* Set document creation date
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*
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* @param string $value sets the date
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*
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* @return void
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*/
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public function setDate($value)
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{
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$this->stringCommands .= '%%CreationDate: ' . $value . "\n";
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}
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/**
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* Set document orientation
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*
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* @param string $orientation sets the orientation
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*
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* @return void
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*/
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public function setOrientation($orientation)
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{
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$this->stringCommands .= "%%PageOrder: Ascend \n";
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if ($orientation == "L") {
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$orientation = "Landscape";
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$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
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} else {
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$orientation = "Portrait";
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$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
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}
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$this->stringCommands .= "%%EndComments \n";
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$this->stringCommands .= "%%Pages 1 \n";
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$this->stringCommands .= "%%BoundingBox: 72 150 144 170 \n";
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}
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/**
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* Set the font and size
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*
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* font can be set whenever needed in EPS
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*
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* @param string $value sets the font name e.g Arial
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* @param integer $size sets the size of the font e.g 10
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*
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* @return void
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*/
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public function setFont($value, $size)
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{
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$this->font = $value;
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$this->fontSize = $size;
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$this->stringCommands .= "/" . $value . " findfont % Get the basic font\n";
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$this->stringCommands .= ""
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. $size . " scalefont % Scale the font to $size points\n";
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$this->stringCommands
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.= "setfont % Make it the current font\n";
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}
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/**
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* Get the font
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*
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* @return string return the font name e.g Arial
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*/
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public function getFont()
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{
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return $this->font;
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}
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/**
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* Get the font Size
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*
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* @return string return the size of the font e.g 10
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*/
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public function getFontSize()
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{
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return $this->fontSize;
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}
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/**
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* Draw the line
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*
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* drawing the lines from x,y source to x,y destination and set the
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* width of the line. lines helps in showing relationships of tables
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*
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* @param integer $x_from The x_from attribute defines the start
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* left position of the element
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* @param integer $y_from The y_from attribute defines the start
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* right position of the element
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* @param integer $x_to The x_to attribute defines the end
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* left position of the element
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* @param integer $y_to The y_to attribute defines the end
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* right position of the element
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* @param integer $lineWidth Sets the width of the line e.g 2
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*
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* @return void
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*/
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public function line(
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$x_from = 0,
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$y_from = 0,
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$x_to = 0,
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$y_to = 0,
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$lineWidth = 0
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) {
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$this->stringCommands .= $lineWidth . " setlinewidth \n";
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$this->stringCommands .= $x_from . ' ' . $y_from . " moveto \n";
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$this->stringCommands .= $x_to . ' ' . $y_to . " lineto \n";
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$this->stringCommands .= "stroke \n";
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}
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/**
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* Draw the rectangle
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*
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* drawing the rectangle from x,y source to x,y destination and set the
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* width of the line. rectangles drawn around the text shown of fields
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*
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* @param integer $x_from The x_from attribute defines the start
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* left position of the element
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* @param integer $y_from The y_from attribute defines the start
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* right position of the element
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* @param integer $x_to The x_to attribute defines the end
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* left position of the element
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* @param integer $y_to The y_to attribute defines the end
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* right position of the element
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* @param integer $lineWidth Sets the width of the line e.g 2
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*
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* @return void
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*/
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public function rect($x_from, $y_from, $x_to, $y_to, $lineWidth)
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{
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$this->stringCommands .= $lineWidth . " setlinewidth \n";
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$this->stringCommands .= "newpath \n";
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$this->stringCommands .= $x_from . " " . $y_from . " moveto \n";
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$this->stringCommands .= "0 " . $y_to . " rlineto \n";
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$this->stringCommands .= $x_to . " 0 rlineto \n";
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$this->stringCommands .= "0 -" . $y_to . " rlineto \n";
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$this->stringCommands .= "closepath \n";
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$this->stringCommands .= "stroke \n";
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}
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/**
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* Set the current point
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*
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* The moveto operator takes two numbers off the stack and treats
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* them as x and y coordinates to which to move. The coordinates
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* specified become the current point.
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*
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* @param integer $x The x attribute defines the left position of the element
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* @param integer $y The y attribute defines the right position of the element
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*
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* @return void
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*/
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public function moveTo($x, $y)
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{
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$this->stringCommands .= $x . ' ' . $y . " moveto \n";
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}
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/**
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* Output/Display the text
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*
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* @param string $text The string to be displayed
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*
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* @return void
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*/
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public function show($text)
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{
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$this->stringCommands .= '(' . $text . ") show \n";
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}
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/**
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* Output the text at specified co-ordinates
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*
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* @param string $text String to be displayed
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* @param integer $x X attribute defines the left position of the element
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* @param integer $y Y attribute defines the right position of the element
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*
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* @return void
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*/
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public function showXY($text, $x, $y)
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{
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$this->moveTo($x, $y);
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$this->show($text);
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}
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/**
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* Ends EPS Document
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*
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* @return void
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*/
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public function endEpsDoc()
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{
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$this->stringCommands .= "showpage \n";
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}
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/**
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* Output EPS Document for download
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*
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* @param string $fileName name of the eps document
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*
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* @return void
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*/
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public function showOutput($fileName)
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{
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// if(ob_get_clean()){
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//ob_end_clean();
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//}
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$output = $this->stringCommands;
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Response::getInstance()
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->disable();
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PMA_downloadHeader(
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$fileName,
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'image/x-eps',
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strlen($output)
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);
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print $output;
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}
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}
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