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Diffstat (limited to 'libs/pChart/class/pImage.class.php')
-rwxr-xr-xlibs/pChart/class/pImage.class.php482
1 files changed, 0 insertions, 482 deletions
diff --git a/libs/pChart/class/pImage.class.php b/libs/pChart/class/pImage.class.php
deleted file mode 100755
index 562dd08922..0000000000
--- a/libs/pChart/class/pImage.class.php
+++ /dev/null
@@ -1,482 +0,0 @@
-<?php
- /*
- pDraw - pChart core class
-
- Version : 2.1.4
- Made by : Jean-Damien POGOLOTTI
- Last Update : 19/01/2014
-
- This file can be distributed under the license you can find at :
-
- http://www.pchart.net/license
-
- You can find the whole class documentation on the pChart web site.
- */
-
- /* The GD extension is mandatory */
- if (!extension_loaded('gd') && !extension_loaded('gd2'))
- {
- echo "GD extension must be loaded. \r\n";
- exit();
- }
-
- /* Image map handling */
- define("IMAGE_MAP_STORAGE_FILE" , 680001);
- define("IMAGE_MAP_STORAGE_SESSION" , 680002);
-
- /* Last generated chart layout */
- define("CHART_LAST_LAYOUT_REGULAR" , 680011);
- define("CHART_LAST_LAYOUT_STACKED" , 680012);
-
- /* ImageMap string delimiter */
- define("IMAGE_MAP_DELIMITER" , chr(1));
-
- class pImage extends pDraw
- {
- /* Image settings, size, quality, .. */
- var $XSize = NULL; // Width of the picture
- var $YSize = NULL; // Height of the picture
- var $Picture = NULL; // GD picture object
- var $Antialias = TRUE; // Turn antialias on or off
- var $AntialiasQuality = 0; // Quality of the antialiasing implementation (0-1)
- var $Mask = ""; // Already drawn pixels mask (Filled circle implementation)
- var $TransparentBackground = FALSE; // Just to know if we need to flush the alpha channels when rendering
-
- /* Graph area settings */
- var $GraphAreaX1 = NULL; // Graph area X origin
- var $GraphAreaY1 = NULL; // Graph area Y origin
- var $GraphAreaX2 = NULL; // Graph area bottom right X position
- var $GraphAreaY2 = NULL; // Graph area bottom right Y position
-
- /* Scale settings */
- var $ScaleMinDivHeight = 20; // Minimum height for scame divs
-
- /* Font properties */
- var $FontName = "fonts/GeosansLight.ttf"; // Default font file
- var $FontSize = 12; // Default font size
- var $FontBox = NULL; // Return the bounding box of the last written string
- var $FontColorR = 0; // Default color settings
- var $FontColorG = 0; // Default color settings
- var $FontColorB = 0; // Default color settings
- var $FontColorA = 100; // Default transparency
-
- /* Shadow properties */
- var $Shadow = FALSE; // Turn shadows on or off
- var $ShadowX = NULL; // X Offset of the shadow
- var $ShadowY = NULL; // Y Offset of the shadow
- var $ShadowR = NULL; // R component of the shadow
- var $ShadowG = NULL; // G component of the shadow
- var $ShadowB = NULL; // B component of the shadow
- var $Shadowa = NULL; // Alpha level of the shadow
-
- /* Image map */
- var $ImageMap = NULL; // Aray containing the image map
- var $ImageMapIndex = "pChart"; // Name of the session array
- var $ImageMapStorageMode = NULL; // Save the current imagemap storage mode
- var $ImageMapAutoDelete = TRUE; // Automatic deletion of the image map temp files
-
- /* Data Set */
- var $DataSet = NULL; // Attached dataset
-
- /* Last generated chart info */
- var $LastChartLayout = CHART_LAST_LAYOUT_REGULAR; // Last layout : regular or stacked
-
- /* Class constructor */
- function __construct($XSize,$YSize,$DataSet=NULL,$TransparentBackground=FALSE)
- {
- $this->TransparentBackground = $TransparentBackground;
-
- if ( $DataSet != NULL ) { $this->DataSet = $DataSet; }
-
- $this->XSize = $XSize;
- $this->YSize = $YSize;
- $this->Picture = imagecreatetruecolor($XSize,$YSize);
-
- if ( $this->TransparentBackground )
- {
- imagealphablending($this->Picture,FALSE);
- imagefilledrectangle($this->Picture, 0,0,$XSize, $YSize, imagecolorallocatealpha($this->Picture, 255, 255, 255, 127));
- imagealphablending($this->Picture,TRUE);
- imagesavealpha($this->Picture,true);
- }
- else
- {
- $C_White = $this->AllocateColor($this->Picture,255,255,255);
- imagefilledrectangle($this->Picture,0,0,$XSize,$YSize,$C_White);
- }
- }
-
- /* Enable / Disable and set shadow properties */
- function setShadow($Enabled=TRUE,$Format="")
- {
- $X = isset($Format["X"]) ? $Format["X"] : 2;
- $Y = isset($Format["Y"]) ? $Format["Y"] : 2;
- $R = isset($Format["R"]) ? $Format["R"] : 0;
- $G = isset($Format["G"]) ? $Format["G"] : 0;
- $B = isset($Format["B"]) ? $Format["B"] : 0;
- $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 10;
-
- $this->Shadow = $Enabled;
- $this->ShadowX = $X;
- $this->ShadowY = $Y;
- $this->ShadowR = $R;
- $this->ShadowG = $G;
- $this->ShadowB = $B;
- $this->Shadowa = $Alpha;
- }
-
- /* Set the graph area position */
- function setGraphArea($X1,$Y1,$X2,$Y2)
- {
- if ( $X2 < $X1 || $X1 == $X2 || $Y2 < $Y1 || $Y1 == $Y2 ) { return(-1); }
-
- $this->GraphAreaX1 = $X1; $this->DataSet->Data["GraphArea"]["X1"] = $X1;
- $this->GraphAreaY1 = $Y1; $this->DataSet->Data["GraphArea"]["Y1"] = $Y1;
- $this->GraphAreaX2 = $X2; $this->DataSet->Data["GraphArea"]["X2"] = $X2;
- $this->GraphAreaY2 = $Y2; $this->DataSet->Data["GraphArea"]["Y2"] = $Y2;
- }
-
- /* Return the width of the picture */
- function getWidth()
- { return($this->XSize); }
-
- /* Return the heigth of the picture */
- function getHeight()
- { return($this->YSize); }
-
- /* Render the picture to a file */
- function render($FileName)
- {
- if ( $this->TransparentBackground ) { imagealphablending($this->Picture,false); imagesavealpha($this->Picture,true); }
- imagepng($this->Picture,$FileName);
- }
-
- /* Render the picture to a web browser stream */
- function stroke($BrowserExpire=FALSE)
- {
- if ( $this->TransparentBackground ) { imagealphablending($this->Picture,false); imagesavealpha($this->Picture,true); }
-
- if ( $BrowserExpire )
- {
- header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
- header("Cache-Control: no-cache");
- header("Pragma: no-cache");
- }
-
- header('Content-type: image/png');
- imagepng($this->Picture);
- }
-
- /* Automatic output method based on the calling interface */
- function autoOutput($FileName="output.png")
- {
- if (php_sapi_name() == "cli")
- $this->Render($FileName);
- else
- $this->Stroke();
- }
-
- /* Return the length between two points */
- function getLength($X1,$Y1,$X2,$Y2)
- { return(sqrt(pow(max($X1,$X2)-min($X1,$X2),2)+pow(max($Y1,$Y2)-min($Y1,$Y2),2))); }
-
- /* Return the orientation of a line */
- function getAngle($X1,$Y1,$X2,$Y2)
- {
- $Opposite = $Y2 - $Y1; $Adjacent = $X2 - $X1;$Angle = rad2deg(atan2($Opposite,$Adjacent));
- if ($Angle > 0) { return($Angle); } else { return(360-abs($Angle)); }
- }
-
- /* Return the surrounding box of text area */
- function getTextBox_deprecated($X,$Y,$FontName,$FontSize,$Angle,$Text)
- {
- $Size = imagettfbbox($FontSize,$Angle,$FontName,$this->getEncodedText($Text));
- $Width = $this->getLength($Size[0],$Size[1],$Size[2],$Size[3])+1;
- $Height = $this->getLength($Size[2],$Size[3],$Size[4],$Size[5])+1;
-
- $RealPos[0]["X"] = $X; $RealPos[0]["Y"] = $Y;
- $RealPos[1]["X"] = cos((360-$Angle)*PI/180)*$Width + $RealPos[0]["X"]; $RealPos[1]["Y"] = sin((360-$Angle)*PI/180)*$Width + $RealPos[0]["Y"];
- $RealPos[2]["X"] = cos((270-$Angle)*PI/180)*$Height + $RealPos[1]["X"]; $RealPos[2]["Y"] = sin((270-$Angle)*PI/180)*$Height + $RealPos[1]["Y"];
- $RealPos[3]["X"] = cos((180-$Angle)*PI/180)*$Width + $RealPos[2]["X"]; $RealPos[3]["Y"] = sin((180-$Angle)*PI/180)*$Width + $RealPos[2]["Y"];
-
- $RealPos[TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos[0]["Y"];
- $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos[1]["X"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos[1]["Y"];
-
- return($RealPos);
- }
-
- function getEncodedText($text)
- {
- $gdinfo = gd_info();
- if (!empty($gdinfo['JIS-mapped Japanese Font Support'])) {
- return mb_convert_encoding($text, "SJIS", "UTF-8");
- }
-
- return $text;
- }
-
- /* Return the surrounding box of text area */
- function getTextBox($X,$Y,$FontName,$FontSize,$Angle,$Text)
- {
- $coords = imagettfbbox($FontSize, 0, $FontName, $this->getEncodedText($Text));
-
- $a = deg2rad($Angle); $ca = cos($a); $sa = sin($a); $RealPos = array();
- for($i = 0; $i < 7; $i += 2)
- {
- $RealPos[$i/2]["X"] = $X + round($coords[$i] * $ca + $coords[$i+1] * $sa);
- $RealPos[$i/2]["Y"] = $Y + round($coords[$i+1] * $ca - $coords[$i] * $sa);
- }
-
- $RealPos[TEXT_ALIGN_BOTTOMLEFT]["X"] = $RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMLEFT]["Y"] = $RealPos[0]["Y"];
- $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["X"] = $RealPos[1]["X"]; $RealPos[TEXT_ALIGN_BOTTOMRIGHT]["Y"] = $RealPos[1]["Y"];
- $RealPos[TEXT_ALIGN_TOPLEFT]["X"] = $RealPos[3]["X"]; $RealPos[TEXT_ALIGN_TOPLEFT]["Y"] = $RealPos[3]["Y"];
- $RealPos[TEXT_ALIGN_TOPRIGHT]["X"] = $RealPos[2]["X"]; $RealPos[TEXT_ALIGN_TOPRIGHT]["Y"] = $RealPos[2]["Y"];
- $RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["X"] = ($RealPos[1]["X"]-$RealPos[0]["X"])/2+$RealPos[0]["X"]; $RealPos[TEXT_ALIGN_BOTTOMMIDDLE]["Y"] = ($RealPos[0]["Y"]-$RealPos[1]["Y"])/2+$RealPos[1]["Y"];
- $RealPos[TEXT_ALIGN_TOPMIDDLE]["X"] = ($RealPos[2]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_TOPMIDDLE]["Y"] = ($RealPos[3]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"];
- $RealPos[TEXT_ALIGN_MIDDLELEFT]["X"] = ($RealPos[0]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_MIDDLELEFT]["Y"] = ($RealPos[0]["Y"]-$RealPos[3]["Y"])/2+$RealPos[3]["Y"];
- $RealPos[TEXT_ALIGN_MIDDLERIGHT]["X"] = ($RealPos[1]["X"]-$RealPos[2]["X"])/2+$RealPos[2]["X"]; $RealPos[TEXT_ALIGN_MIDDLERIGHT]["Y"] = ($RealPos[1]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"];
- $RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["X"] = ($RealPos[1]["X"]-$RealPos[3]["X"])/2+$RealPos[3]["X"]; $RealPos[TEXT_ALIGN_MIDDLEMIDDLE]["Y"] = ($RealPos[0]["Y"]-$RealPos[2]["Y"])/2+$RealPos[2]["Y"];
-
- return($RealPos);
- }
-
- /* Set current font properties */
- function setFontProperties($Format="")
- {
- $R = isset($Format["R"]) ? $Format["R"] : -1;
- $G = isset($Format["G"]) ? $Format["G"] : -1;
- $B = isset($Format["B"]) ? $Format["B"] : -1;
- $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100;
- $FontName = isset($Format["FontName"]) ? $Format["FontName"] : NULL;
- $FontSize = isset($Format["FontSize"]) ? $Format["FontSize"] : NULL;
-
- if ( $R != -1) { $this->FontColorR = $R; }
- if ( $G != -1) { $this->FontColorG = $G; }
- if ( $B != -1) { $this->FontColorB = $B; }
- if ( $Alpha != NULL) { $this->FontColorA = $Alpha; }
-
- if ( $FontName != NULL )
- $this->FontName = $FontName;
-
- if ( $FontSize != NULL )
- $this->FontSize = $FontSize;
- }
-
- /* Returns the 1st decimal values (used to correct AA bugs) */
- function getFirstDecimal($Value)
- {
- $Values = preg_split("/\./",$Value);
- if ( isset($Values[1]) ) { return(substr($Values[1],0,1)); } else { return(0); }
- }
-
- /* Attach a dataset to your pChart Object */
- function setDataSet(&$DataSet)
- { $this->DataSet = $DataSet; }
-
- /* Print attached dataset contents to STDOUT */
- function printDataSet()
- { print_r($this->DataSet); }
-
- /* Initialise the image map methods */
- function initialiseImageMap($Name="pChart",$StorageMode=IMAGE_MAP_STORAGE_SESSION,$UniqueID="imageMap",$StorageFolder="tmp")
- {
- $this->ImageMapIndex = $Name;
- $this->ImageMapStorageMode = $StorageMode;
-
- if ($StorageMode == IMAGE_MAP_STORAGE_SESSION)
- {
- if(!isset($_SESSION)) { session_start(); }
- $_SESSION[$this->ImageMapIndex] = NULL;
- }
- elseif($StorageMode == IMAGE_MAP_STORAGE_FILE)
- {
- $this->ImageMapFileName = $UniqueID;
- $this->ImageMapStorageFolder = $StorageFolder;
-
- if (file_exists($StorageFolder."/".$UniqueID.".map")) { unlink($StorageFolder."/".$UniqueID.".map"); }
- }
- }
-
- /* Add a zone to the image map */
- function addToImageMap($Type,$Plots,$Color=NULL,$Title=NULL,$Message=NULL,$HTMLEncode=FALSE)
- {
- if ( $this->ImageMapStorageMode == NULL ) { $this->initialiseImageMap(); }
-
- /* Encode the characters in the imagemap in HTML standards */
- $Title = str_replace("&#8364;","\u20AC",$Title);
- $Title = htmlentities($Title,ENT_QUOTES,"ISO-8859-15");
- if ( $HTMLEncode )
- {
- $Message = htmlentities($Message,ENT_QUOTES,"ISO-8859-15");
- $Message = str_replace("&lt;","<",$Message);
- $Message = str_replace("&gt;",">",$Message);
- }
-
- if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
- {
- if(!isset($_SESSION)) { $this->initialiseImageMap(); }
- $_SESSION[$this->ImageMapIndex][] = array($Type,$Plots,$Color,$Title,$Message);
- }
- elseif($this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE)
- {
- $Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'a');
- fwrite($Handle, $Type.IMAGE_MAP_DELIMITER.$Plots.IMAGE_MAP_DELIMITER.$Color.IMAGE_MAP_DELIMITER.$Title.IMAGE_MAP_DELIMITER.$Message."\r\n");
- fclose($Handle);
- }
- }
-
- /* Remove VOID values from an imagemap custom values array */
- function removeVOIDFromArray($SerieName, $Values)
- {
- if ( !isset($this->DataSet->Data["Series"][$SerieName]) ) { return(-1); }
-
- $Result = "";
- foreach($this->DataSet->Data["Series"][$SerieName]["Data"] as $Key => $Value)
- { if ( $Value != VOID && isset($Values[$Key]) ) { $Result[] = $Values[$Key]; } }
- return($Result);
- }
-
- /* Replace the title of one image map serie */
- function replaceImageMapTitle($OldTitle, $NewTitle)
- {
- if ( $this->ImageMapStorageMode == NULL ) { return(-1); }
-
- if ( is_array($NewTitle) ) { $NewTitle = $this->removeVOIDFromArray($OldTitle, $NewTitle); }
-
- if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
- {
- if(!isset($_SESSION)) { return(-1); }
- if ( is_array($NewTitle) )
- { $ID = 0; foreach($_SESSION[$this->ImageMapIndex] as $Key => $Settings) { if ( $Settings[3] == $OldTitle && isset($NewTitle[$ID])) { $_SESSION[$this->ImageMapIndex][$Key][3] = $NewTitle[$ID]; $ID++; } } }
- else
- { foreach($_SESSION[$this->ImageMapIndex] as $Key => $Settings) { if ( $Settings[3] == $OldTitle ) { $_SESSION[$this->ImageMapIndex][$Key][3] = $NewTitle; } } }
- }
- elseif( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE )
- {
- $TempArray = "";
- $Handle = @fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", "r");
- if ($Handle)
- {
- while (($Buffer = fgets($Handle, 4096)) !== false)
- {
- $Fields = preg_split("/".IMAGE_MAP_DELIMITER."/",str_replace(array(chr(10),chr(13)),"",$Buffer));
- $TempArray[] = array($Fields[0],$Fields[1],$Fields[2],$Fields[3],$Fields[4]);
- }
- fclose($Handle);
-
- if ( is_array($NewTitle) )
- { $ID = 0; foreach($TempArray as $Key => $Settings) { if ( $Settings[3] == $OldTitle && isset($NewTitle[$ID]) ) { $TempArray[$Key][3] = $NewTitle[$ID]; $ID++; } } }
- else
- { foreach($TempArray as $Key => $Settings) { if ( $Settings[3] == $OldTitle ) { $TempArray[$Key][3] = $NewTitle; } } }
-
- $Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'w');
- foreach($TempArray as $Key => $Settings)
- { fwrite($Handle, $Settings[0].IMAGE_MAP_DELIMITER.$Settings[1].IMAGE_MAP_DELIMITER.$Settings[2].IMAGE_MAP_DELIMITER.$Settings[3].IMAGE_MAP_DELIMITER.$Settings[4]."\r\n"); }
- fclose($Handle);
- }
- }
- }
-
- /* Replace the values of the image map contents */
- function replaceImageMapValues($Title, $Values)
- {
- if ( $this->ImageMapStorageMode == NULL ) { return(-1); }
-
- $Values = $this->removeVOIDFromArray($Title, $Values);
- $ID = 0;
- if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
- {
- if(!isset($_SESSION)) { return(-1); }
- foreach($_SESSION[$this->ImageMapIndex] as $Key => $Settings) { if ( $Settings[3] == $Title ) { if ( isset($Values[$ID]) ) { $_SESSION[$this->ImageMapIndex][$Key][4] = $Values[$ID]; } $ID++; } }
- }
- elseif( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE )
- {
- $TempArray = "";
- $Handle = @fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", "r");
- if ($Handle)
- {
- while (($Buffer = fgets($Handle, 4096)) !== false)
- {
- $Fields = preg_split("/".IMAGE_MAP_DELIMITER."/",str_replace(array(chr(10),chr(13)),"",$Buffer));
- $TempArray[] = array($Fields[0],$Fields[1],$Fields[2],$Fields[3],$Fields[4]);
- }
- fclose($Handle);
-
- foreach($TempArray as $Key => $Settings) { if ( $Settings[3] == $Title ) { if ( isset($Values[$ID]) ) { $TempArray[$Key][4] = $Values[$ID]; } $ID++; } }
-
- $Handle = fopen($this->ImageMapStorageFolder."/".$this->ImageMapFileName.".map", 'w');
- foreach($TempArray as $Key => $Settings)
- { fwrite($Handle, $Settings[0].IMAGE_MAP_DELIMITER.$Settings[1].IMAGE_MAP_DELIMITER.$Settings[2].IMAGE_MAP_DELIMITER.$Settings[3].IMAGE_MAP_DELIMITER.$Settings[4]."\r\n"); }
- fclose($Handle);
- }
- }
- }
-
- /* Dump the image map */
- function dumpImageMap($Name="pChart",$StorageMode=IMAGE_MAP_STORAGE_SESSION,$UniqueID="imageMap",$StorageFolder="tmp")
- {
- $this->ImageMapIndex = $Name;
- $this->ImageMapStorageMode = $StorageMode;
-
- if ( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_SESSION )
- {
- if(!isset($_SESSION)) { session_start(); }
- if ( $_SESSION[$Name] != NULL )
- {
- foreach($_SESSION[$Name] as $Key => $Params)
- { echo $Params[0].IMAGE_MAP_DELIMITER.$Params[1].IMAGE_MAP_DELIMITER.$Params[2].IMAGE_MAP_DELIMITER.$Params[3].IMAGE_MAP_DELIMITER.$Params[4]."\r\n"; }
- }
- }
- elseif( $this->ImageMapStorageMode == IMAGE_MAP_STORAGE_FILE )
- {
- if (file_exists($StorageFolder."/".$UniqueID.".map"))
- {
- $Handle = @fopen($StorageFolder."/".$UniqueID.".map", "r");
- if ($Handle) { while (($Buffer = fgets($Handle, 4096)) !== false) { echo $Buffer; } }
- fclose($Handle);
-
- if ( $this->ImageMapAutoDelete ) { unlink($StorageFolder."/".$UniqueID.".map"); }
- }
- }
-
- /* When the image map is returned to the client, the script ends */
- exit();
- }
-
- /* Return the HTML converted color from the RGB composite values */
- function toHTMLColor($R,$G,$B)
- {
- $R=intval($R); $G=intval($G); $B=intval($B);
- $R=dechex($R<0?0:($R>255?255:$R)); $G=dechex($G<0?0:($G>255?255:$G));$B=dechex($B<0?0:($B>255?255:$B));
- $Color="#".(strlen($R) < 2?'0':'').$R; $Color.=(strlen($G) < 2?'0':'').$G; $Color.= (strlen($B) < 2?'0':'').$B;
- return($Color);
- }
-
- /* Reverse an array of points */
- function reversePlots($Plots)
- {
- $Result = "";
- for($i=count($Plots)-2;$i>=0;$i=$i-2) { $Result[] = $Plots[$i]; $Result[] = $Plots[$i+1]; }
- return($Result);
- }
-
- /* Mirror Effect */
- function drawAreaMirror($X,$Y,$Width,$Height,$Format="")
- {
- $StartAlpha = isset($Format["StartAlpha"]) ? $Format["StartAlpha"] : 80;
- $EndAlpha = isset($Format["EndAlpha"]) ? $Format["EndAlpha"] : 0;
-
- $AlphaStep = ($StartAlpha-$EndAlpha)/$Height;
-
- $Picture = imagecreatetruecolor($this->XSize,$this->YSize);
- imagecopy($Picture,$this->Picture,0,0,0,0,$this->XSize,$this->YSize);
-
- for($i=1;$i<=$Height;$i++)
- {
- if ( $Y+($i-1) < $this->YSize && $Y-$i > 0 ) { imagecopymerge($Picture,$this->Picture,$X,$Y+($i-1),$X,$Y-$i,$Width,1,$StartAlpha-$AlphaStep*$i); }
- }
-
- imagecopy($this->Picture,$Picture,0,0,0,0,$this->XSize,$this->YSize);
- }
- }
-?> \ No newline at end of file