graph_utilities_1_0_0 Class Reference

Public Member Functions
	__construct ()
	fill_graph_area (&$Graph, $GraphAreaColor)
	draw_grid ($Graph, $Color=0xeeeeee)
	draw_coordinates ($Graph, $X=0, $Y=0)
	prepare_graph_area (&$Graph)

Data Fields
	$GraphCore = false
	$Security = false

Detailed Description

Working with graphs.

Author

Dodonov A.A.

Definition at line 26 of file graph_utilities.php.

Constructor & Destructor Documentation

__construct

(

)

Constructor.

Author

Dodonov A.A.

Definition at line 51 of file graph_utilities.php.

            {
                  try
                  {
                        $this->GraphCore = get_package( 'graph::graph_core' , 'last' , __FILE__ );
                        $this->Security = get_package( 'security' , 'last' , __FILE__ );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

Member Function Documentation

draw_coordinates	(		$Graph,
			$X = 0,
			$Y = 0
	)

Function draws coordinate grid.

Parameters

$Graph	- Graph.
$X	- Start of the cordinates system.
$Y	- Start of the cordinates system.

Exceptions

Exception

- An exception of this type is thrown.

Author

Dodonov A.A.

Definition at line 425 of file graph_utilities.php.

            {
                  try
                  {
                        if( $Graph->Img === false )
                        {
                              $Graph->draw_client_area();
                        }

                        $Graph->CoordX = $X = intval( $X );
                        $Graph->CoordY = $Y = intval( $Y );

                        $BlackColor = imagecolorallocate( $Graph->Img , 0 , 0 , 0 );

                        imageline( 
                              $Graph->Img , $Graph->ClientX ,  $Graph->Height - $Graph->ClientY - $Y , 
                              $Graph->ClientX + $Graph->ClientWidth , $Graph->Height - $Graph->ClientY - $Y , $BlackColor
                        );

                        imageline( 
                              $Graph->Img , $Graph->ClientX + $X , $Graph->Height - $Graph->ClientY  , $Graph->ClientX + $X , 
                              $Graph->Height - $Graph->ClientY - $Graph->ClientHeight , $BlackColor
                        );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

draw_grid	(		$Graph,
			$Color = 0xeeeeee
	)

Function draws grid.

Parameters

$Graph	- Graph.
$Color	- Grid color.

Exceptions

Exception

- An exception of this type is thrown.

Author

Dodonov A.A.

Definition at line 383 of file graph_utilities.php.

            {
                  try
                  {
                        $Color = $this->GraphCore->get_color_from_hex( $Graph->Img , $Color );

                        $this->draw_vertical_grid_lines( $Graph , $Color );

                        $this->draw_horizontal_grid_lines( $Graph , $Color );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

fill_graph_area	(	&	$Graph,
			$GraphAreaColor
	)

Function fills graph's client area.

Parameters

$Graph	- Graph.
$GraphAreaColor	- Hexadecimal representation of the color.

Exceptions

Exception

- An exception of this type is thrown.

Author

Dodonov A.A.

Definition at line 253 of file graph_utilities.php.

            {
                  try
                  {
                        $GraphAreaColor = intval( $GraphAreaColor );

                        $GraphAreaColor = $this->GraphCore->get_color_from_hex( $Graph->Img , $GraphAreaColor );

                        $Res = imagefilledrectangle( 
                              $Graph->Img , $Graph->ClientX , $Graph->Height - $Graph->ClientY , 
                              $Graph->ClientX + $Graph->ClientWidth , $Graph->Height - $Graph->ClientHeight - $Graph->ClientY , 
                              $GraphAreaColor
                        );

                        if( $Res === false )
                        {
                              throw( new Exception( 'An error occured while filling client area' ) );
                        }
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

prepare_graph_area

(

&

$Graph

)

Component's view.

Exceptions

Exception

An exception of this type is thrown.

Author

Dodonov A.A.

Definition at line 469 of file graph_utilities.php.

            {
                  try
                  {
                        $this->set_width_height( $Graph );

                        $this->prepare_canvas( $Graph );

                        $BackgroundColor = $this->Security->get_gp( 'background_color' , 'integer' , 0xeeeeee );
                        $this->GraphCore->fill_background( $Graph->Img , $BackgroundColor );

                        $this->init_client_area( $Graph );

                        $GraphAreaColor = $this->Security->get_gp( 'graph_area_color' , 'integer' , 0xffffff );
                        $this->fill_graph_area( $Graph , $GraphAreaColor );

                        $this->draw_grid( $Graph );
                        $this->draw_coordinates( $Graph );
                  }
                  catch( Exception $e )
                  {
                        $a = func_get_args();_throw_exception_object( __METHOD__ , $a , $e );
                  }
            }

Field Documentation

$GraphCore = false

Cached objects.

Author

Dodonov A.A.

Definition at line 38 of file graph_utilities.php.

$Security = false

Definition at line 39 of file graph_utilities.php.

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The documentation for this class was generated from the following file:

• packages/graph/packages/graph_utilities/graph_utilities.php