258 lines
7.5 KiB
PHP
258 lines
7.5 KiB
PHP
<?php
|
|
/**
|
|
* Classes to create relation schema in EPS format.
|
|
*/
|
|
|
|
declare(strict_types=1);
|
|
|
|
namespace PhpMyAdmin\Plugins\Schema\Eps;
|
|
|
|
use PhpMyAdmin\Core;
|
|
use PhpMyAdmin\ResponseRenderer;
|
|
|
|
use function strlen;
|
|
|
|
/**
|
|
* This Class is EPS Library and
|
|
* helps in developing structure of EPS Schema Export
|
|
*
|
|
* @see https://www.php.net/manual/en/book.xmlwriter.php
|
|
*/
|
|
class Eps
|
|
{
|
|
/** @var string */
|
|
public $font = 'Arial';
|
|
|
|
/** @var int */
|
|
public $fontSize = 12;
|
|
|
|
/** @var string */
|
|
public $stringCommands;
|
|
|
|
/**
|
|
* Upon instantiation This starts writing the EPS Document.
|
|
* %!PS-Adobe-3.0 EPSF-3.0 This is the MUST first comment to include
|
|
* it shows/tells that the Post Script document is purely under
|
|
* Document Structuring Convention [DSC] and is Compliant
|
|
* Encapsulated Post Script Document
|
|
*/
|
|
public function __construct()
|
|
{
|
|
$this->stringCommands = '';
|
|
$this->stringCommands .= "%!PS-Adobe-3.0 EPSF-3.0 \n";
|
|
}
|
|
|
|
/**
|
|
* Set document title
|
|
*
|
|
* @param string $value sets the title text
|
|
*/
|
|
public function setTitle($value): void
|
|
{
|
|
$this->stringCommands .= '%%Title: ' . $value . "\n";
|
|
}
|
|
|
|
/**
|
|
* Set document author
|
|
*
|
|
* @param string $value sets the author
|
|
*/
|
|
public function setAuthor($value): void
|
|
{
|
|
$this->stringCommands .= '%%Creator: ' . $value . "\n";
|
|
}
|
|
|
|
/**
|
|
* Set document creation date
|
|
*
|
|
* @param string $value sets the date
|
|
*/
|
|
public function setDate($value): void
|
|
{
|
|
$this->stringCommands .= '%%CreationDate: ' . $value . "\n";
|
|
}
|
|
|
|
/**
|
|
* Set document orientation
|
|
*
|
|
* @param string $orientation sets the orientation
|
|
*/
|
|
public function setOrientation($orientation): void
|
|
{
|
|
$this->stringCommands .= "%%PageOrder: Ascend \n";
|
|
if ($orientation === 'L') {
|
|
$orientation = 'Landscape';
|
|
$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
|
|
} else {
|
|
$orientation = 'Portrait';
|
|
$this->stringCommands .= '%%Orientation: ' . $orientation . "\n";
|
|
}
|
|
|
|
$this->stringCommands .= "%%EndComments \n";
|
|
$this->stringCommands .= "%%Pages 1 \n";
|
|
$this->stringCommands .= "%%BoundingBox: 72 150 144 170 \n";
|
|
}
|
|
|
|
/**
|
|
* Set the font and size
|
|
*
|
|
* font can be set whenever needed in EPS
|
|
*
|
|
* @param string $value sets the font name e.g Arial
|
|
* @param int $size sets the size of the font e.g 10
|
|
*/
|
|
public function setFont(string $value, int $size): void
|
|
{
|
|
$this->font = $value;
|
|
$this->fontSize = $size;
|
|
$this->stringCommands .= '/' . $value . " findfont % Get the basic font\n";
|
|
$this->stringCommands .= ''
|
|
. $size . ' scalefont % Scale the font to ' . $size . " points\n";
|
|
$this->stringCommands .= "setfont % Make it the current font\n";
|
|
}
|
|
|
|
/**
|
|
* Get the font
|
|
*
|
|
* @return string return the font name e.g Arial
|
|
*/
|
|
public function getFont()
|
|
{
|
|
return $this->font;
|
|
}
|
|
|
|
/**
|
|
* Get the font Size
|
|
*
|
|
* @return int return the size of the font e.g 10
|
|
*/
|
|
public function getFontSize(): int
|
|
{
|
|
return $this->fontSize;
|
|
}
|
|
|
|
/**
|
|
* Draw the line
|
|
*
|
|
* drawing the lines from x,y source to x,y destination and set the
|
|
* width of the line. lines helps in showing relationships of tables
|
|
*
|
|
* @param int $x_from The x_from attribute defines the start
|
|
* left position of the element
|
|
* @param int $y_from The y_from attribute defines the start
|
|
* right position of the element
|
|
* @param int $x_to The x_to attribute defines the end
|
|
* left position of the element
|
|
* @param int $y_to The y_to attribute defines the end
|
|
* right position of the element
|
|
* @param int $lineWidth Sets the width of the line e.g 2
|
|
*/
|
|
public function line(
|
|
$x_from = 0,
|
|
$y_from = 0,
|
|
$x_to = 0,
|
|
$y_to = 0,
|
|
$lineWidth = 0
|
|
): void {
|
|
$this->stringCommands .= $lineWidth . " setlinewidth \n";
|
|
$this->stringCommands .= $x_from . ' ' . $y_from . " moveto \n";
|
|
$this->stringCommands .= $x_to . ' ' . $y_to . " lineto \n";
|
|
$this->stringCommands .= "stroke \n";
|
|
}
|
|
|
|
/**
|
|
* Draw the rectangle
|
|
*
|
|
* drawing the rectangle from x,y source to x,y destination and set the
|
|
* width of the line. rectangles drawn around the text shown of fields
|
|
*
|
|
* @param int $x_from The x_from attribute defines the start
|
|
* left position of the element
|
|
* @param int $y_from The y_from attribute defines the start
|
|
* right position of the element
|
|
* @param int $x_to The x_to attribute defines the end
|
|
* left position of the element
|
|
* @param int $y_to The y_to attribute defines the end
|
|
* right position of the element
|
|
* @param int $lineWidth Sets the width of the line e.g 2
|
|
*/
|
|
public function rect($x_from, $y_from, $x_to, $y_to, $lineWidth): void
|
|
{
|
|
$this->stringCommands .= $lineWidth . " setlinewidth \n";
|
|
$this->stringCommands .= "newpath \n";
|
|
$this->stringCommands .= $x_from . ' ' . $y_from . " moveto \n";
|
|
$this->stringCommands .= '0 ' . $y_to . " rlineto \n";
|
|
$this->stringCommands .= $x_to . " 0 rlineto \n";
|
|
$this->stringCommands .= '0 -' . $y_to . " rlineto \n";
|
|
$this->stringCommands .= "closepath \n";
|
|
$this->stringCommands .= "stroke \n";
|
|
}
|
|
|
|
/**
|
|
* Set the current point
|
|
*
|
|
* The moveto operator takes two numbers off the stack and treats
|
|
* them as x and y coordinates to which to move. The coordinates
|
|
* specified become the current point.
|
|
*
|
|
* @param int $x The x attribute defines the left position of the element
|
|
* @param int $y The y attribute defines the right position of the element
|
|
*/
|
|
public function moveTo($x, $y): void
|
|
{
|
|
$this->stringCommands .= $x . ' ' . $y . " moveto \n";
|
|
}
|
|
|
|
/**
|
|
* Output/Display the text
|
|
*
|
|
* @param string $text The string to be displayed
|
|
*/
|
|
public function show($text): void
|
|
{
|
|
$this->stringCommands .= '(' . $text . ") show \n";
|
|
}
|
|
|
|
/**
|
|
* Output the text at specified co-ordinates
|
|
*
|
|
* @param string $text String to be displayed
|
|
* @param int $x X attribute defines the left position of the element
|
|
* @param int $y Y attribute defines the right position of the element
|
|
*/
|
|
public function showXY($text, $x, $y): void
|
|
{
|
|
$this->moveTo($x, $y);
|
|
$this->show($text);
|
|
}
|
|
|
|
/**
|
|
* Ends EPS Document
|
|
*/
|
|
public function endEpsDoc(): void
|
|
{
|
|
$this->stringCommands .= "showpage \n";
|
|
}
|
|
|
|
/**
|
|
* Output EPS Document for download
|
|
*
|
|
* @param string $fileName name of the eps document
|
|
*/
|
|
public function showOutput($fileName): void
|
|
{
|
|
// if(ob_get_clean()){
|
|
//ob_end_clean();
|
|
//}
|
|
$output = $this->stringCommands;
|
|
ResponseRenderer::getInstance()
|
|
->disable();
|
|
Core::downloadHeader(
|
|
$fileName,
|
|
'image/x-eps',
|
|
strlen($output)
|
|
);
|
|
print $output;
|
|
}
|
|
}
|