EZ-Components

include/ezcomponents/Graph/src/exceptions/date_parsing.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * File containing the ezcGraphErrorParsingDateException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a date assigned to the 
+ * {@link ezcGraphChartElementDateAxis} could not be parsed.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphErrorParsingDateException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param mixed $value
+     * @return void
+     * @ignore
+     */
+    public function __construct( $value )
+    {
+        $type = gettype( $value );
+        parent::__construct( "Could not parse date '{$value}' of type '{$type}'." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/exception.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Base exception for the Graph package.
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+
+/**
+ * General exception container for the Graph component.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+abstract class ezcGraphException extends ezcBaseException
+{
+}
+?>

include/ezcomponents/Graph/src/exceptions/flash_bitmap_type.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphFlashBitmapTypeException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Flash can only read non interlaced bitmaps. This exception is thrown for 
+ * all other image types.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphFlashBitmapTypeException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @return void
+     * @ignore
+     */
+    public function __construct()
+    {
+        parent::__construct( "Flash can only read JPEGs and PNGs." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/font_rendering.php

@@ -0,0 +1,40 @@
+<?php
+/**
+ * File containing the ezcGraphFontRenderingException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when it is not possible to render a string beacause of 
+ * minimum font size in the desinated bounding box.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphFontRenderingException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param string $string
+     * @param float $size
+     * @param int $width
+     * @param int $height
+     * @return void
+     * @ignore
+     */
+    public function __construct( $string, $size, $width, $height )
+    {
+        parent::__construct( "Could not fit string '{$string}' with font size '{$size}' in box '{$width} * {$height}'.
+Possible solutions to solve this problem:
+    - Decrease the amount of steps on the axis.
+    - Increase the size of the chart.
+    - Decrease the minimum font size.
+    - Use a font which consumes less space for each character." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/font_type.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * File containing the ezcGraphUnknownFontTypeException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown if font type is unknown or not supported.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphUnknownFontTypeException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param string $file
+     * @param string $extension
+     * @return void
+     * @ignore
+     */
+    public function __construct( $file, $extension )
+    {
+        parent::__construct( "Unknown font type '{$extension}' of file '{$file}'." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/incompatible_driver.php

@@ -0,0 +1,34 @@
+<?php
+/**
+ * File containing the ezcGraphToolsIncompatibleDriverException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when trying to modify rendered images with incompatible
+ * graph tools.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphToolsIncompatibleDriverException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param mixed $driver
+     * @param string $accepted
+     * @return void
+     * @ignore
+     */
+    public function __construct( $driver, $accepted )
+    {
+        $driverClass = get_class( $driver );
+        parent::__construct( "Incompatible driver used. Driver '{$driverClass}' is not an instance of '{$accepted}'." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_assignement.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphInvalidAssignementException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown, when trying a property cannot be set for a data point, but
+ * only for data sets.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphInvalidAssignementException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @return void
+     * @ignore
+     */
+    public function __construct()
+    {
+        parent::__construct( "This cannot be set on data points, but only for data sets." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_data.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * File containing the ezcGraphInvalidDataException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when invalid data is provided, which cannot be rendered 
+ * for some reason.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphInvalidDataException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param string $message
+     * @return void
+     * @ignore
+     */
+    public function __construct( $message )
+    {
+        parent::__construct( "You provided unusable data: '$message'." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_data_source.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * File containing the ezcGraphInvalidArrayDataSourceException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when an invalid data source is provided for an array 
+ * data set.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphInvalidArrayDataSourceException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param mixed $value
+     * @return void
+     * @ignore
+     */
+    public function __construct( $value )
+    {
+        $type = gettype( $value );
+        parent::__construct( "The array dataset can only use arrays and iterators, but you supplied '{$type}'." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_dimensions.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * File containing the ezcGraphMatrixInvalidDimensionsException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when an operation is not possible because of incompatible
+ * matrix dimensions.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphMatrixInvalidDimensionsException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param int $rows
+     * @param int $columns
+     * @param int $dRows
+     * @param int $dColumns
+     * @return void
+     * @ignore
+     */
+    public function __construct( $rows, $columns, $dRows, $dColumns )
+    {
+        parent::__construct( "Matrix '{$dRows}, {$dColumns}' is incompatible with matrix '{$rows}, {$columns}' for requested operation." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_display_type.php

@@ -0,0 +1,46 @@
+<?php
+/**
+ * File containing the ezcGraphInvalidDisplayTypeException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when an unsupported data type is set for the current chart.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphInvalidDisplayTypeException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param int $type
+     * @return void
+     * @ignore
+     */
+    public function __construct( $type )
+    {
+        $chartTypeNames = array(
+            ezcGraph::PIE => 'Pie',
+            ezcGraph::LINE => 'Line',
+            ezcGraph::BAR => 'Bar',
+        );
+
+        if ( isset( $chartTypeNames[$type] ) )
+        {
+            $chartTypeName = $chartTypeNames[$type];
+        }
+        else
+        {
+            $chartTypeName = 'Unknown';
+        }
+
+        parent::__construct( "Invalid data set display type '$type' ('$chartTypeName') for current chart." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_id.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * File containing the ezcGraphSvgDriverInvalidIdException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a id could not be found in a SVG document to insert 
+ * elements in.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphSvgDriverInvalidIdException extends ezcGraphException
+{
+    /**
+     * Constructor
+     *
+     * @param string $id
+     * @return void
+     * @ignore
+     */
+    public function __construct( $id )
+    {
+        parent::__construct( "Could not find element with id '{$id}' in SVG document." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_image_file.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphInvalidImageFileException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a file can not be used as a image file.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphInvalidImageFileException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param string $image
+     * @return void
+     * @ignore
+     */
+    public function __construct( $image )
+    {
+        parent::__construct( "File '{$image}' is not a valid image." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/invalid_keys.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphDatasetAverageInvalidKeysException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a dataset with non numeric keys is used with average 
+ * datasets.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphDatasetAverageInvalidKeysException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @return void
+     * @ignore
+     */
+    public function __construct()
+    {
+        parent::__construct( "You can not use non numeric keys with Average datasets." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/no_data.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * File containing the ezcGraphNoDataException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception shown, when trying to render a chart without assigning any data.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphNoDataException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @return void
+     * @ignore
+     */
+    public function __construct()
+    {
+        parent::__construct( "No data sets assigned to chart." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/no_such_data.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphNoSuchDataException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception shown, when trying to access not existing data in datasets.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphNoSuchDataException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param string $name
+     * @return void
+     * @ignore
+     */
+    public function __construct( $name )
+    {
+        parent::__construct( "No data with name '{$name}' found." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/no_such_dataset.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphNoSuchDataSetException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when trying to access a non exising dataset.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphNoSuchDataSetException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param string $name
+     * @return void
+     * @ignore
+     */
+    public function __construct( $name )
+    {
+        parent::__construct( "No dataset with identifier '{$name}' could be found." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/no_such_element.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphNoSuchElementException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when trying to access a non existing chart element.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphNoSuchElementException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param string $name
+     * @return void
+     * @ignore
+     */
+    public function __construct( $name )
+    {
+        parent::__construct( "No chart element with name '{$name}' found." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/not_rendered.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * File containing the ezcGraphToolsNotRenderedException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a chart was not rendered yet, but the graph tool 
+ * requires information only available in rendered charts.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphToolsNotRenderedException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param ezcGraphChart $chart
+     * @return void
+     * @ignore
+     */
+    public function __construct( $chart )
+    {
+        parent::__construct( "Chart is not yet rendered." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/out_of_boundings.php

@@ -0,0 +1,35 @@
+<?php
+/**
+ * File containing the ezcGraphMatrixOutOfBoundingsException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a requested matrix value is out of the boundings of 
+ * the matrix.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphMatrixOutOfBoundingsException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param int $rows
+     * @param int $columns
+     * @param int $rPos
+     * @param int $cPos
+     * @return void
+     * @ignore
+     */
+    public function __construct( $rows, $columns, $rPos, $cPos )
+    {
+        parent::__construct( "Position '{$rPos}, {$cPos}' is out of the matrix boundings '{$rows}, {$columns}'." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/out_of_logarithmical_boundings.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * File containing the ezcGraphOutOfLogithmicalBoundingsException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when data exceeds the values which are displayable on an
+ * logarithmical scaled axis.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphOutOfLogithmicalBoundingsException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param int $minimum
+     * @return void
+     * @ignore
+     */
+    public function __construct( $minimum )
+    {
+        parent::__construct( "Value '$minimum' exceeds displayable values on a logarithmical scaled axis." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/reducement_failed.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphReducementFailedException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a requested reducement of an ellipse or polygone 
+ * failed because the shape was already too small.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphReducementFailedException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @return void
+     * @ignore
+     */
+    public function __construct()
+    {
+        parent::__construct( "Reducement of shape failed, because it was already too small." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/too_many_datasets.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphTooManyDataSetsExceptions class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when trying to insert too many data sets in a data set 
+ * container.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphTooManyDataSetsExceptions extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @return void
+     * @ignore
+     */
+    public function __construct()
+    {
+        parent::__construct( "You tried to insert to many datasets." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/unknown_color_definition.php

@@ -0,0 +1,32 @@
+<?php
+/**
+ * File containing the ezcGraphUnknownColorDefinitionException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown, when a given value could not be interpreted as a color by
+ * {@link ezcGraphColor}.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphUnknownColorDefinitionException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param mixed $definition
+     * @return void
+     * @ignore
+     */
+    public function __construct( $definition )
+    {
+        parent::__construct( "Unknown color definition '{$definition}'." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/unregular_steps.php

@@ -0,0 +1,31 @@
+<?php
+/**
+ * File containing the ezcGraphUnregularStepsException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown when a bar chart shouls be rendered on an axis using 
+ * unregular step sizes.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphUnregularStepsException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @return void
+     * @ignore
+     */
+    public function __construct()
+    {
+        parent::__construct( "Bar charts do not support axis with unregualr steps sizes." );
+    }
+}
+
+?>

include/ezcomponents/Graph/src/exceptions/unsupported_image_type.php

@@ -0,0 +1,61 @@
+<?php
+/**
+ * File containing the ezcGraphGdDriverUnsupportedImageTypeException class
+ *
+ * @package Graph
+ * @version 1.3
+ * @copyright Copyright (C) 2005-2008 eZ systems as. All rights reserved.
+ * @license http://ez.no/licenses/new_bsd New BSD License
+ */
+/**
+ * Exception thrown if the image type is not supported and therefore could not
+ * be used in the gd driver.
+ *
+ * @package Graph
+ * @version 1.3
+ */
+class ezcGraphGdDriverUnsupportedImageTypeException extends ezcGraphException
+{
+    /**
+     * Constructor
+     * 
+     * @param int $type
+     * @return void
+     * @ignore
+     */
+    public function __construct( $type )
+    {
+        $typeName = array(
+            1 => 'GIF',
+            2 => 'Jpeg',
+            3 => 'PNG',
+            4 => 'SWF',
+            5 => 'PSD',
+            6 => 'BMP',
+            7 => 'TIFF (intel)',
+            8 => 'TIFF (motorola)',
+            9 => 'JPC',
+            10 => 'JP2',
+            11 => 'JPX',
+            12 => 'JB2',
+            13 => 'SWC',
+            14 => 'IFF',
+            15 => 'WBMP',
+            16 => 'XBM',
+
+        );
+
+        if ( isset( $typeName[$type] ) )
+        {
+            $type = $typeName[$type];
+        }
+        else
+        {
+            $type = 'Unknown';
+        }
+
+        parent::__construct( "Unsupported image format '{$type}'." );
+    }
+}
+
+?>