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<?php
/**
* DOMPDF - PHP5 HTML to PDF renderer
*
* File: $RCSfile: canvas.cls.php,v $
* Created on: 2004-06-06
*
* Copyright (c) 2004 - Benj Carson <benjcarson@digitaljunkies.ca>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library in the file LICENSE.LGPL; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA
*
* Alternatively, you may distribute this software under the terms of the
* PHP License, version 3.0 or later. A copy of this license should have
* been distributed with this file in the file LICENSE.PHP . If this is not
* the case, you can obtain a copy at http://www.php.net/license/3_0.txt.
*
* The latest version of DOMPDF might be available at:
* http://www.digitaljunkies.ca/dompdf
*
* @link http://www.digitaljunkies.ca/dompdf
* @copyright 2004 Benj Carson
* @author Benj Carson <benjcarson@digitaljunkies.ca>
* @package dompdf
* @version 0.5.1
*/
/* $Id: canvas.cls.php,v 1.7 2006/07/07 21:31:02 benjcarson Exp $ */
/**
* Main rendering interface
*
* Currently only {@link CPDF_Adapter} and {@link PDFLib_Adapter}
* implement this interface.
*
* Implementations should measure x and y increasing to the left and down,
* respectively, with the origin in the top left corner. Implementations
* are free to use a unit other than points for length, but I can't
* guarantee that the results will look any good.
*
* @package dompdf
*/
interface Canvas {
/**
* Returns the current page number
*
* @return int
*/
function get_page_number();
/**
* Returns the total number of pages
*
* @return int
*/
function get_page_count();
/**
* Sets the total number of pages
*
* @param int $count
*/
function set_page_count($count);
/**
* Draws a line from x1,y1 to x2,y2
*
* See {@link Style::munge_colour()} for the format of the colour array.
* See {@link Cpdf::setLineStyle()} for a description of the format of the
* $style parameter (aka dash).
*
* @param float $x1
* @param float $y1
* @param float $x2
* @param float $y2
* @param array $color
* @param float $width
* @param array $style
*/
function line($x1, $y1, $x2, $y2, $color, $width, $style = null);
/**
* Draws a rectangle at x1,y1 with width w and height h
*
* See {@link Style::munge_colour()} for the format of the colour array.
* See {@link Cpdf::setLineStyle()} for a description of the $style
* parameter (aka dash)
*
* @param float $x1
* @param float $y1
* @param float $w
* @param float $h
* @param array $color
* @param float $width
* @param array $style
*/
function rectangle($x1, $y1, $w, $h, $color, $width, $style = null);
/**
* Draws a filled rectangle at x1,y1 with width w and height h
*
* See {@link Style::munge_colour()} for the format of the colour array.
*
* @param float $x1
* @param float $y1
* @param float $w
* @param float $h
* @param array $color
*/
function filled_rectangle($x1, $y1, $w, $h, $color);
/**
* Draws a polygon
*
* The polygon is formed by joining all the points stored in the $points
* array. $points has the following structure:
* <code>
* array(0 => x1,
* 1 => y1,
* 2 => x2,
* 3 => y2,
* ...
* );
* </code>
*
* See {@link Style::munge_colour()} for the format of the colour array.
* See {@link Cpdf::setLineStyle()} for a description of the $style
* parameter (aka dash)
*
* @param array $points
* @param array $color
* @param float $width
* @param array $style
* @param bool $fill Fills the polygon if true
*/
function polygon($points, $color, $width = null, $style = null, $fill = false);
/**
* Draws a circle at $x,$y with radius $r
*
* See {@link Style::munge_colour()} for the format of the colour array.
* See {@link Cpdf::setLineStyle()} for a description of the $style
* parameter (aka dash)
*
* @param float $x
* @param float $y
* @param float $r
* @param array $color
* @param float $width
* @param array $style
* @param bool $fill Fills the circle if true
*/
function circle($x, $y, $r, $color, $width = null, $style = null, $fill = false);
/**
* Add an image to the pdf.
*
* The image is placed at the specified x and y coordinates with the
* given width and height.
*
* @param string $img_url the path to the image
* @param string $img_type the type (e.g. extension) of the image
* @param float $x x position
* @param float $y y position
* @param int $w width (in pixels)
* @param int $h height (in pixels)
*/
function image($img_url, $img_type, $x, $y, $w, $h);
/**
* Writes text at the specified x and y coordinates
*
* See {@link Style::munge_colour()} for the format of the colour array.
*
* @param float $x
* @param float $y
* @param string $text the text to write
* @param string $font the font file to use
* @param float $size the font size, in points
* @param array $color
* @param float $adjust word spacing adjustment
*/
function text($x, $y, $text, $font, $size, $color = array(0,0,0), $adjust = 0);
/**
* Add a named destination (similar to <a name="foo">...</a> in html)
*
* @param string $anchorname The name of the named destination
*/
function add_named_dest($anchorname);
/**
* Add a link to the pdf
*
* @param string $url The url to link to
* @param float $x The x position of the link
* @param float $y The y position of the link
* @param float $width The width of the link
* @param float $height The height of the link
*/
function add_link($url, $x, $y, $width, $height);
/**
* Calculates text size, in points
*
* @param string $text the text to be sized
* @param string $font the desired font
* @param float $size the desired font size
* @param float $spacing word spacing, if any
* @return float
*/
function get_text_width($text, $font, $size, $spacing = 0);
/**
* Calculates font height, in points
*
* @param string $font
* @param float $size
* @return float
*/
function get_font_height($font, $size);
/**
* Starts a new page
*
* Subsequent drawing operations will appear on the new page.
*/
function new_page();
/**
* Streams the PDF directly to the browser
*
* @param string $filename the name of the PDF file
* @param array $options associative array, 'Attachment' => 0 or 1, 'compress' => 1 or 0
*/
function stream($filename, $options = null);
/**
* Returns the PDF as a string
*
* @param array $options associative array: 'compress' => 1 or 0
* @return string
*/
function output($options = null);
}
?>