diff options
Diffstat (limited to 'libs/pChart/class/pImage.class.php')
-rwxr-xr-x | libs/pChart/class/pImage.class.php | 962 |
1 files changed, 481 insertions, 481 deletions
diff --git a/libs/pChart/class/pImage.class.php b/libs/pChart/class/pImage.class.php index 900174d720..562dd08922 100755 --- a/libs/pChart/class/pImage.class.php +++ b/libs/pChart/class/pImage.class.php @@ -1,482 +1,482 @@ -<?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 $LastChartLayout = CHART_LAST_LAYOUT_REGULAR; // Last layout : regular or stacked
-
- /* Class constructor */
- function pImage($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 */
- $Title = str_replace("€","\u20AC",$Title);
- $Title = htmlentities($Title,ENT_QUOTES,"ISO-8859-15");
- if ( $HTMLEncode )
- {
- $Message = htmlentities($Message,ENT_QUOTES,"ISO-8859-15");
- $Message = str_replace("<","<",$Message);
- $Message = str_replace(">",">",$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);
- }
- }
+<?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 */ + $Title = str_replace("€","\u20AC",$Title); + $Title = htmlentities($Title,ENT_QUOTES,"ISO-8859-15"); + if ( $HTMLEncode ) + { + $Message = htmlentities($Message,ENT_QUOTES,"ISO-8859-15"); + $Message = str_replace("<","<",$Message); + $Message = str_replace(">",">",$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); + } + } ?>
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