From 11e6744455cadf222f828a437e095205da53da7a Mon Sep 17 00:00:00 2001
From: Kore Nordmann <github@kore-nordmann.de>
Date: Tue, 14 Jul 2009 14:13:45 +0000
Subject: - Implemented: #13341: Vertical Bar Charts

---
 src/renderer/horizontal_bar.php | 177 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 177 insertions(+)
 create mode 100644 src/renderer/horizontal_bar.php

(limited to 'src/renderer')

diff --git a/src/renderer/horizontal_bar.php b/src/renderer/horizontal_bar.php
new file mode 100644
index 0000000..7448741
--- /dev/null
+++ b/src/renderer/horizontal_bar.php
@@ -0,0 +1,177 @@
+<?php
+/**
+ * File containing the two dimensional renderer
+ *
+ * @package Graph
+ * @version //autogentag//
+ * @copyright Copyright (C) 2005-2009 eZ Systems AS. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Class to transform horizontal bar charts primitives into image primitives.
+ * Renders charts in a two dimensional view.
+ *
+ * The class options are defined in the class {@link ezcGraphRenderer2dOptions}
+ * extending the basic renderer options in {@link ezcGraphRendererOptions}.
+ *
+ * <code>
+ *  @TODO: Add example
+ * </code>
+ *
+ * @version //autogentag//
+ * @package Graph
+ * @mainclass
+ */
+class ezcGraphHorizontalRenderer 
+    extends
+        ezcGraphRenderer2d
+    implements
+        ezcGraphHorizontalBarRenderer
+{
+    /**
+     * Draw horizontal bar
+     *
+     * Draws a horizontal bar as a data element in a line chart
+     * 
+     * @param ezcGraphBoundings $boundings Chart boundings
+     * @param ezcGraphContext $context Context of call
+     * @param ezcGraphColor $color Color of line
+     * @param ezcGraphCoordinate $position Position of data point
+     * @param float $stepSize Space which can be used for bars
+     * @param int $dataNumber Number of dataset
+     * @param int $dataCount Count of datasets in chart
+     * @param int $symbol Symbol to draw for line
+     * @param float $axisPosition Position of axis for drawing filled lines
+     * @return void
+     */
+    public function drawHorizontalBar(
+        ezcGraphBoundings $boundings,
+        ezcGraphContext $context,
+        ezcGraphColor $color,
+        ezcGraphCoordinate $position,
+        $stepSize,
+        $dataNumber = 1,
+        $dataCount = 1,
+        $symbol = ezcGraph::NO_SYMBOL,
+        $axisPosition = 0. )
+    {
+        // Apply margin
+        $margin = $stepSize * $this->options->barMargin;
+        $padding = $stepSize * $this->options->barPadding;
+        $barHeight = ( $stepSize - $margin ) / $dataCount - $padding;
+        $offset = - $stepSize / 2 + $margin / 2 + ( $dataCount - $dataNumber - 1 ) * ( $padding + $barHeight ) + $padding / 2;
+
+        $barPointArray = array(
+            new ezcGraphCoordinate(
+                $boundings->x0 + ( $boundings->width ) * $axisPosition,
+                $boundings->y0 + ( $boundings->height ) * $position->y + $offset
+            ),
+            new ezcGraphCoordinate(
+                $boundings->x0 + ( $boundings->width ) * $position->x,
+                $boundings->y0 + ( $boundings->height ) * $position->y + $offset
+            ),
+            new ezcGraphCoordinate(
+                $boundings->x0 + ( $boundings->width ) * $position->x,
+                $boundings->y0 + ( $boundings->height ) * $position->y + $offset + $barHeight
+            ),
+            new ezcGraphCoordinate(
+                $boundings->x0 + ( $boundings->width ) * $axisPosition,
+                $boundings->y0 + ( $boundings->height ) * $position->y + $offset + $barHeight
+            ),
+        );
+
+        $this->addElementReference(
+            $context,
+            $this->driver->drawPolygon(
+                $barPointArray,
+                $color,
+                true
+            )
+        );
+
+        if ( $this->options->dataBorder > 0 )
+        {
+            $darkened = $color->darken( $this->options->dataBorder );
+            $this->driver->drawPolygon(
+                $barPointArray,
+                $darkened,
+                false,
+                1
+            );
+        }
+    }
+    
+    /**
+     * Draw bar
+     *
+     * Draws a bar as a data element in a line chart
+     * 
+     * @param ezcGraphBoundings $boundings Chart boundings
+     * @param ezcGraphContext $context Context of call
+     * @param ezcGraphColor $color Color of line
+     * @param ezcGraphCoordinate $position Position of data point
+     * @param float $stepSize Space which can be used for bars
+     * @param int $dataNumber Number of dataset
+     * @param int $dataCount Count of datasets in chart
+     * @param int $symbol Symbol to draw for line
+     * @param float $axisPosition Position of axis for drawing filled lines
+     * @return void
+     */
+    public function drawBar(
+        ezcGraphBoundings $boundings,
+        ezcGraphContext $context,
+        ezcGraphColor $color,
+        ezcGraphCoordinate $position,
+        $stepSize,
+        $dataNumber = 1,
+        $dataCount = 1,
+        $symbol = ezcGraph::NO_SYMBOL,
+        $axisPosition = 0. )
+    {
+        throw new ezcBaseFunctionalityNotSupportedException(
+            "A normal bar chart",
+            "Only horizontal bar charts can be renderered with the ezcGraphHorizontalRenderer"
+        );
+    }
+    
+    /**
+     * Draw data line
+     *
+     * Draws a line as a data element in a line chart
+     * 
+     * @param ezcGraphBoundings $boundings Chart boundings
+     * @param ezcGraphContext $context Context of call
+     * @param ezcGraphColor $color Color of line
+     * @param ezcGraphCoordinate $start Starting point
+     * @param ezcGraphCoordinate $end Ending point
+     * @param int $dataNumber Number of dataset
+     * @param int $dataCount Count of datasets in chart
+     * @param int $symbol Symbol to draw for line
+     * @param ezcGraphColor $symbolColor Color of the symbol, defaults to linecolor
+     * @param ezcGraphColor $fillColor Color to fill line with
+     * @param float $axisPosition Position of axis for drawing filled lines
+     * @param float $thickness Line thickness
+     * @return void
+     */
+    public function drawDataLine(
+        ezcGraphBoundings $boundings,
+        ezcGraphContext $context,
+        ezcGraphColor $color,
+        ezcGraphCoordinate $start,
+        ezcGraphCoordinate $end,
+        $dataNumber = 1,
+        $dataCount = 1,
+        $symbol = ezcGraph::NO_SYMBOL,
+        ezcGraphColor $symbolColor = null,
+        ezcGraphColor $fillColor = null,
+        $axisPosition = 0.,
+        $thickness = 1. )
+    {
+        throw new ezcBaseFunctionalityNotSupportedException(
+            "A normal line chart",
+            "Only horizontal bar charts can be renderered with the ezcGraphHorizontalRenderer"
+        );
+    }
+}
+
+?>
-- 
cgit v1.1