diff options
Diffstat (limited to 'srcs/phpmyadmin/libraries/classes/Plugins/Schema/Svg/Svg.php')
| -rw-r--r-- | srcs/phpmyadmin/libraries/classes/Plugins/Schema/Svg/Svg.php | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Svg/Svg.php b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Svg/Svg.php new file mode 100644 index 0000000..4404574 --- /dev/null +++ b/srcs/phpmyadmin/libraries/classes/Plugins/Schema/Svg/Svg.php @@ -0,0 +1,281 @@ +<?php +/* vim: set expandtab sw=4 ts=4 sts=4: */ +/** + * Classes to create relation schema in SVG format. + * + * @package PhpMyAdmin + */ +declare(strict_types=1); + +namespace PhpMyAdmin\Plugins\Schema\Svg; + +use PhpMyAdmin\Core; +use PhpMyAdmin\Response; +use XMLWriter; + +/** + * This Class inherits the XMLwriter class and + * helps in developing structure of SVG Schema Export + * + * @package PhpMyAdmin + * @access public + * @see https://www.php.net/manual/en/book.xmlwriter.php + */ +class Svg extends XMLWriter +{ + public $title; + public $author; + public $font; + public $fontSize; + + /** + * The "PhpMyAdmin\Plugins\Schema\Svg\Svg" constructor + * + * Upon instantiation This starts writing the RelationStatsSvg XML document + * + * @see XMLWriter::openMemory(),XMLWriter::setIndent(),XMLWriter::startDocument() + */ + public function __construct() + { + $this->openMemory(); + /* + * Set indenting using three spaces, + * so output is formatted + */ + + $this->setIndent(true); + $this->setIndentString(' '); + /* + * Create the XML document + */ + + $this->startDocument('1.0', 'UTF-8'); + $this->startDtd( + 'svg', + '-//W3C//DTD SVG 1.1//EN', + 'http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd' + ); + $this->endDtd(); + } + + /** + * Set document title + * + * @param string $value sets the title text + * + * @return void + */ + public function setTitle($value) + { + $this->title = $value; + } + + /** + * Set document author + * + * @param string $value sets the author + * + * @return void + */ + public function setAuthor($value) + { + $this->author = $value; + } + + /** + * Set document font + * + * @param string $value sets the font e.g Arial, Sans-serif etc + * + * @return void + */ + public function setFont($value) + { + $this->font = $value; + } + + /** + * Get document font + * + * @return string returns the font name + */ + public function getFont() + { + return $this->font; + } + + /** + * Set document font size + * + * @param integer $value sets the font size in pixels + * + * @return void + */ + public function setFontSize($value) + { + $this->fontSize = $value; + } + + /** + * Get document font size + * + * @return integer returns the font size + */ + public function getFontSize() + { + return $this->fontSize; + } + + /** + * Starts RelationStatsSvg Document + * + * svg document starts by first initializing svg tag + * which contains all the attributes and namespace that needed + * to define the svg document + * + * @param integer $width total width of the RelationStatsSvg document + * @param integer $height total height of the RelationStatsSvg document + * @param integer $x min-x of the view box + * @param integer $y min-y of the view box + * + * @return void + * + * @see XMLWriter::startElement(),XMLWriter::writeAttribute() + */ + public function startSvgDoc($width, $height, $x = 0, $y = 0) + { + $this->startElement('svg'); + + if (! is_int($width)) { + $width = intval($width); + } + + if (! is_int($height)) { + $height = intval($height); + } + + if ($x != 0 || $y != 0) { + $this->writeAttribute('viewBox', "$x $y $width $height"); + } + $this->writeAttribute('width', ($width - $x) . 'px'); + $this->writeAttribute('height', ($height - $y) . 'px'); + $this->writeAttribute('xmlns', 'http://www.w3.org/2000/svg'); + $this->writeAttribute('version', '1.1'); + } + + /** + * Ends RelationStatsSvg Document + * + * @return void + * @see XMLWriter::endElement(),XMLWriter::endDocument() + */ + public function endSvgDoc() + { + $this->endElement(); + $this->endDocument(); + } + + /** + * output RelationStatsSvg Document + * + * svg document prompted to the user for download + * RelationStatsSvg document saved in .svg extension and can be + * easily changeable by using any svg IDE + * + * @param string $fileName file name + * + * @return void + * @see XMLWriter::startElement(),XMLWriter::writeAttribute() + */ + public function showOutput($fileName) + { + //ob_get_clean(); + $output = $this->flush(); + Response::getInstance()->disable(); + Core::downloadHeader( + $fileName, + 'image/svg+xml', + strlen($output) + ); + print $output; + } + + /** + * Draws RelationStatsSvg elements + * + * SVG has some predefined shape elements like rectangle & text + * and other elements who have x,y co-ordinates are drawn. + * specify their width and height and can give styles too. + * + * @param string $name RelationStatsSvg element name + * @param int $x The x attr defines the left position of the element + * (e.g. x="0" places the element 0 pixels from the + * left of the browser window) + * @param integer $y The y attribute defines the top position of the + * element (e.g. y="0" places the element 0 pixels + * from the top of the browser window) + * @param int|string $width The width attribute defines the width the element + * @param int|string $height The height attribute defines the height the element + * @param string|null $text The text attribute defines the text the element + * @param string $styles The style attribute defines the style the element + * styles can be defined like CSS styles + * + * @return void + * + * @see XMLWriter::startElement(), XMLWriter::writeAttribute(), + * XMLWriter::text(), XMLWriter::endElement() + */ + public function printElement( + $name, + $x, + $y, + $width = '', + $height = '', + ?string $text = '', + $styles = '' + ) { + $this->startElement($name); + $this->writeAttribute('width', (string) $width); + $this->writeAttribute('height', (string) $height); + $this->writeAttribute('x', (string) $x); + $this->writeAttribute('y', (string) $y); + $this->writeAttribute('style', (string) $styles); + if (isset($text)) { + $this->writeAttribute('font-family', (string) $this->font); + $this->writeAttribute('font-size', $this->fontSize . 'px'); + $this->text($text); + } + $this->endElement(); + } + + /** + * Draws RelationStatsSvg Line element + * + * RelationStatsSvg line element is drawn for connecting the tables. + * arrows are also drawn by specify its start and ending + * co-ordinates + * + * @param string $name RelationStatsSvg element name i.e line + * @param integer $x1 Defines the start of the line on the x-axis + * @param integer $y1 Defines the start of the line on the y-axis + * @param integer $x2 Defines the end of the line on the x-axis + * @param integer $y2 Defines the end of the line on the y-axis + * @param string $styles The style attribute defines the style the element + * styles can be defined like CSS styles + * + * @return void + * + * @see XMLWriter::startElement(), XMLWriter::writeAttribute(), + * XMLWriter::endElement() + */ + public function printElementLine($name, $x1, $y1, $x2, $y2, $styles) + { + $this->startElement($name); + $this->writeAttribute('x1', $x1); + $this->writeAttribute('y1', $y1); + $this->writeAttribute('x2', $x2); + $this->writeAttribute('y2', $y2); + $this->writeAttribute('style', $styles); + $this->endElement(); + } +} |