initial import

lib/classes/graphik/inc/Grid.class.php

@@ -0,0 +1,291 @@
+<?php
+/*
+ * This work is hereby released into the Public Domain.
+ * To view a copy of the public domain dedication,
+ * visit http://creativecommons.org/licenses/publicdomain/ or send a letter to
+ * Creative Commons, 559 Nathan Abbott Way, Stanford, California 94305, USA.
+ *
+ */
+ 
+require_once dirname(__FILE__)."/../Graph.class.php";
+ 
+/**
+ * Grid
+ *
+ * @package Artichow 
+ */
+class awGrid {
+	
+	/**
+	 * Vertical lines of the grid
+	 *
+	 * @var array
+	 */
+	private $xgrid = array();
+	
+	/**
+	 * Horizontal lines of the grid
+	 *
+	 * @var array
+	 */
+	private $ygrid = array();
+
+	/**
+	 * Is the component grid hidden ?
+	 *
+	 * @var bool
+	 */
+	private $hide = FALSE;
+
+	/**
+	 * Are horizontal lines hidden ?
+	 *
+	 * @var bool
+	 */
+	private $hideHorizontal = FALSE;
+
+	/**
+	 * Are vertical lines hidden ?
+	 *
+	 * @var bool
+	 */
+	private $hideVertical = FALSE;
+	
+	/**
+	 * Grid color
+	 *
+	 * @var Color
+	 */
+	private $color;
+	
+	/**
+	 * Grid space
+	 *
+	 * @var int
+	 */
+	private $space;
+	
+	/**
+	 * Line type
+	 *
+	 * @var int
+	 */
+	private $type = awLine::SOLID;
+	
+	/**
+	 * Grid interval
+	 *
+	 * @var int
+	 */
+	private $interval = array(1, 1);
+	
+	/**
+	 * Grid background color
+	 *
+	 * @var Color
+	 */
+	private $background;
+	
+	/**
+	 * Build the factory
+	 */
+	public function __construct() {
+	
+		// Set a grid default color
+		$this->color = new awColor(210, 210, 210);
+		$this->background = new awColor(255, 255, 255, 100);
+		
+	}
+	
+	/**
+	 * Hide grid ?
+	 *
+	 * @param bool $hide
+	 */
+	public function hide($hide = TRUE) {
+		$this->hide = (bool)$hide;
+	}
+	
+	/**
+	 * Hide horizontal lines ?
+	 *
+	 * @param bool $hideHorizontal
+	 */
+	public function hideHorizontal($hide = TRUE) {
+		$this->hideHorizontal = (bool)$hide;
+	}
+	
+	/**
+	 * Hide vertical lines ?
+	 *
+	 * @param bool $hideVertical
+	 */
+	public function hideVertical($hide = TRUE) {
+		$this->hideVertical = (bool)$hide;
+	}
+	
+	/**
+	 * Change grid color
+	 *
+	 * @param awColor $color
+	 */
+	public function setColor(awColor $color) {
+		$this->color = $color;
+	}
+	
+	/**
+	 * Remove grid background
+	 */
+	public function setNoBackground() {
+		$this->background = NULL;
+	}
+	
+	/**
+	 * Change grid background color
+	 *
+	 * @param awColor $color
+	 */
+	public function setBackgroundColor(awColor $color) {
+		$this->background = $color;
+	}
+	
+	/**
+	 * Change line type
+	 *
+	 * @param int $type
+	 */
+	public function setType($type) {
+		$this->type = (int)$type;
+	}
+	
+	/**
+	 * Change grid interval
+	 *
+	 * @param int $hInterval
+	 * @param int $vInterval
+	 */
+	public function setInterval($hInterval, $vInterval) {
+		$this->interval = array((int)$hInterval, (int)$vInterval);
+	}
+	
+	/**
+	 * Set grid space
+	 *
+	 * @param int $left Left space in pixels
+	 * @param int $right Right space in pixels
+	 * @param int $top Top space in pixels
+	 * @param int $bottom Bottom space in pixels
+	 */
+	public function setSpace($left, $right, $top, $bottom) {
+		$this->space = array((int)$left, (int)$right, (int)$top, (int)$bottom);
+	}
+	
+	/**
+	 * Change the current grid
+	 *
+	 * @param array $xgrid Vertical lines
+	 * @param array $ygrid Horizontal lines
+	 */
+	public function setGrid($xgrid, $ygrid) {
+	
+		if(empty($this->xgrid)) {
+			$this->xgrid = $xgrid;
+		}
+		if(empty($this->ygrid)) {
+			$this->ygrid = $ygrid;
+		}
+	
+	}
+	
+	/**
+	 * Draw grids
+	 *
+	 * @param awDriver $driver A driver object
+	 * @param int $x1
+	 * @param int $y1
+	 * @param int $x2
+	 * @param int $y2
+	 */
+	public function draw(awDriver $driver, $x1, $y1, $x2, $y2) {
+	
+		if($this->background instanceof awColor) {
+		
+			// Draw background color
+			$driver->filledRectangle(
+				$this->background, 
+				awLine::build($x1, $y1, $x2, $y2)
+			);
+			
+		}
+
+		if($this->hide === FALSE) {
+			
+			$this->drawGrid(
+				$driver,
+				$this->color,
+				$this->hideVertical ? array() : $this->xgrid,
+				$this->hideHorizontal ? array() : $this->ygrid,
+				$x1, $y1, $x2, $y2,
+				$this->type,
+				$this->space,
+				$this->interval[0],
+				$this->interval[1]
+			);
+			
+		}
+	
+	}
+	
+	private function drawGrid(
+		awDriver $driver, awColor $color,
+		$nx, $ny, $x1, $y1, $x2, $y2,
+		$type, $space, $hInterval, $vInterval
+	) {
+	
+		list($left, $right, $top, $bottom) = $space;
+		
+		$width = $x2 - $x1 - $left - $right;
+		$height = $y2 - $y1 - $top - $bottom;
+	
+		foreach($nx as $key => $n) {
+		
+			if(($key % $vInterval) === 0) {
+		
+				$pos = (int)round($x1 + $left + $n * $width);
+				$driver->line(
+					$color,
+					new awLine(
+						new awPoint($pos, $y1),
+						new awPoint($pos, $y2),
+						$type
+					)
+				);
+				
+			}
+		
+		}
+	
+		foreach($ny as $key => $n) {
+		
+			if(($key % $hInterval) === 0) {
+		
+				$pos = (int)round($y1 + $top + $n * $height);
+				$driver->line(
+					$color,
+					new awLine(
+						new awPoint($x1, $pos),
+						new awPoint($x2, $pos),
+						$type
+					)
+				);
+				
+			}
+		
+		}
+	
+	}
+
+}
+
+registerClass('Grid');
+?>