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- <?php
- /*
- pChart - a PHP class to build charts!
- Copyright (C) 2008 Jean-Damien POGOLOTTI
- Version 1.27d last updated on 09/30/08
- http://pchart.sourceforge.net
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 1,2,3 of the License, or
- (at your option) any later version.
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
- Class initialisation :
- pChart($XSize,$YSize)
- Draw methods :
- drawBackground($R,$G,$B)
- drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B)
- drawFilledRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B,$DrawBorder=TRUE,$Alpha=100)
- drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
- drawFilledRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
- drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
- drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
- drawEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
- drawFilledEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
- drawLine($X1,$Y1,$X2,$Y2,$R,$G,$B,$GraphFunction=FALSE)
- drawDottedLine($X1,$Y1,$X2,$Y2,$DotSize,$R,$G,$B)
- drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B)
- drawFromPNG($FileName,$X,$Y,$Alpha=100)
- drawFromGIF($FileName,$X,$Y,$Alpha=100)
- drawFromJPG($FileName,$X,$Y,$Alpha=100)
- Graph setup methods :
- addBorder($Width=3,$R=0,$G=0,$B=0)
- clearScale()
- clearShadow()
- createColorGradientPalette($R1,$G1,$B1,$R2,$G2,$B2,$Shades)
- drawGraphArea($R,$G,$B,$Stripe=FALSE)
- drawScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1,$RightScale=FALSE)
- drawRightScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1)
- drawXYScale($Data,$DataDescription,$YSerieName,$XSerieName,$R,$G,$B,$WithMargin=0,$Angle=0,$Decimals=1)
- drawGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=100)
- drawLegend($XPos,$YPos,$DataDescription,$R,$G,$B,$Rs=-1,$Gs=-1,$Bs=-1,$Rt=0,$Gt=0,$Bt=0,$Border=FALSE)
- drawPieLegend($XPos,$YPos,$Data,$DataDescription,$R,$G,$B)
- drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2=-1,$YPos2=-1,$Shadow=FALSE)
- drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnRight=FALSE,$TickWidth=4,$FreeText=NULL)
- drawArea($Data,$Serie1,$Serie2,$R,$G,$B,$Alpha = 50)
- drawRadarAxis($Data,$DataDescription,$Mosaic=TRUE,$BorderOffset=10,$A_R=60,$A_G=60,$A_B=60,$S_R=200,$S_G=200,$S_B=200,$MaxValue=-1)
- drawGraphAreaGradient($R,$G,$B,$Decay,$Target=TARGET_GRAPHAREA)
- drawTextBox($X1,$Y1,$X2,$Y2,$Text,$Angle=0,$R=255,$G=255,$B=255,$Align=ALIGN_LEFT,$Shadow=TRUE,$BgR=-1,$BgG=-1,$BgB=-1,$Alpha=100)
- getLegendBoxSize($DataDescription)
- loadColorPalette($FileName,$Delimiter=",")
- reportWarnings($Interface="CLI")
- setGraphArea($X1,$Y1,$X2,$Y2)
- setLabel($Data,$DataDescription,$SerieName,$ValueName,$Caption,$R=210,$G=210,$B=210)
- setColorPalette($ID,$R,$G,$B)
- setCurrency($Currency)
- setDateFormat($Format)
- setFontProperties($FontName,$FontSize)
- setLineStyle($Width=1,$DotSize=0)
- setFixedScale($VMin,$VMax,$Divisions=5,$VXMin=0,$VXMin=0,$XDivisions=5)
- setShadowProperties($XDistance=1,$YDistance=1,$R=60,$G=60,$B=60,$Alpha)
- writeValues($Data,$DataDescription,$Series)
- Graphs methods :
- drawPlotGraph($Data,$DataDescription,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1,$Shadow=FALSE)
- drawXYPlotGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1)
- drawLineGraph($Data,$DataDescription,$SerieName="")
- drawXYGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0)
- drawFilledLineGraph($Data,$DataDescription,$Alpha=100,$AroundZero=FALSE)
- drawCubicCurve($Data,$DataDescription,$Accuracy=.1,$SerieName="")
- drawFilledCubicCurve($Data,$DataDescription,$Accuracy=.1,$Alpha=100,$AroundZero=FALSE)
- drawOverlayBarGraph($Data,$DataDescription,$Alpha=50)
- drawBarGraph($Data,$DataDescription,$Shadow=FALSE)
- drawStackedBarGraph($Data,$DataDescription,$Alpha=50,$Contiguous=FALSE)
- drawLimitsGraph($Data,$DataDescription,$R=0,$G=0,$B=0)
- drawRadar($Data,$DataDescription,$BorderOffset=10,$MaxValue=-1)
- drawFilledRadar($Data,$DataDescription,$Alpha=50,$BorderOffset=10,$MaxValue=-1)
- drawBasicPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$R=255,$G=255,$B=255,$Decimals=0)
- drawFlatPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals = 0)
- drawFlatPieGraphWithShadow($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals = 0)
- drawPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$EnhanceColors=TRUE,$Skew=60,$SpliceHeight=20,$SpliceDistance=0,$Decimals=0)
- Other methods :
- setImageMap($Mode=TRUE,$GraphID="MyGraph")
- getImageMap($MapName,$Flush=TRUE)
- Render($FileName)
- Stroke()
- */
- /* Declare some script wide constants */
- define("SCALE_NORMAL",1);
- define("SCALE_ADDALL",2);
- define("SCALE_START0",3);
- define("SCALE_ADDALLSTART0",4);
- define("PIE_PERCENTAGE", 1);
- define("PIE_LABELS",2);
- define("PIE_NOLABEL",3);
- define("PIE_PERCENTAGE_LABEL", 4);
- define("TARGET_GRAPHAREA",1);
- define("TARGET_BACKGROUND",2);
- define("ALIGN_TOP_LEFT",1);
- define("ALIGN_TOP_CENTER",2);
- define("ALIGN_TOP_RIGHT",3);
- define("ALIGN_LEFT",4);
- define("ALIGN_CENTER",5);
- define("ALIGN_RIGHT",6);
- define("ALIGN_BOTTOM_LEFT",7);
- define("ALIGN_BOTTOM_CENTER",8);
- define("ALIGN_BOTTOM_RIGHT",9);
- /* pChart class definition */
- class pChart
- {
- /* Palettes definition */
- var $Palette = array("0"=>array("R"=>188,"G"=>224,"B"=>46),
- "1"=>array("R"=>224,"G"=>100,"B"=>46),
- "2"=>array("R"=>224,"G"=>214,"B"=>46),
- "3"=>array("R"=>46,"G"=>151,"B"=>224),
- "4"=>array("R"=>176,"G"=>46,"B"=>224),
- "5"=>array("R"=>224,"G"=>46,"B"=>117),
- "6"=>array("R"=>92,"G"=>224,"B"=>46),
- "7"=>array("R"=>224,"G"=>176,"B"=>46));
- /* Some static vars used in the class */
- var $XSize = NULL;
- var $YSize = NULL;
- var $Picture = NULL;
- var $ImageMap = NULL;
- /* Error management */
- var $ErrorReporting = FALSE;
- var $ErrorInterface = "CLI";
- var $Errors = NULL;
- var $ErrorFontName = "Fonts/pf_arma_five.ttf";
- var $ErrorFontSize = 6;
- /* vars related to the graphing area */
- var $GArea_X1 = NULL;
- var $GArea_Y1 = NULL;
- var $GArea_X2 = NULL;
- var $GArea_Y2 = NULL;
- var $GAreaXOffset = NULL;
- var $VMax = NULL;
- var $VMin = NULL;
- var $VXMax = NULL;
- var $VXMin = NULL;
- var $Divisions = NULL;
- var $XDivisions = NULL;
- var $DivisionHeight = NULL;
- var $XDivisionHeight = NULL;
- var $DivisionCount = NULL;
- var $XDivisionCount = NULL;
- var $DivisionRatio = NULL;
- var $XDivisionRatio = NULL;
- var $DivisionWidth = NULL;
- var $DataCount = NULL;
- var $Currency = "\$";
- /* Text format related vars */
- var $FontName = NULL;
- var $FontSize = NULL;
- var $DateFormat = "d/m/Y";
- /* Lines format related vars */
- var $LineWidth = 1;
- var $LineDotSize = 0;
- /* Layer related vars */
- var $Layers = NULL;
- /* Set antialias quality : 0 is maximum, 100 minimum*/
- var $AntialiasQuality = 0;
- /* Shadow settings */
- var $ShadowActive = FALSE;
- var $ShadowXDistance = 1;
- var $ShadowYDistance = 1;
- var $ShadowRColor = 60;
- var $ShadowGColor = 60;
- var $ShadowBColor = 60;
- var $ShadowAlpha = 50;
- var $ShadowBlur = 0;
- /* Image Map settings */
- var $BuildMap = FALSE;
- var $MapFunction = NULL;
- var $tmpFolder = "tmp/";
- var $MapID = NULL;
- /* This function create the background picture */
- function pChart($XSize,$YSize)
- {
- $this->XSize = $XSize;
- $this->YSize = $YSize;
- $this->Picture = imagecreatetruecolor($XSize,$YSize);
- $C_White =$this->AllocateColor($this->Picture,255,255,255);
- imagefilledrectangle($this->Picture,0,0,$XSize,$YSize,$C_White);
- imagecolortransparent($this->Picture,$C_White);
- $this->setFontProperties("tahoma.ttf",8);
- }
- /* Set if warnings should be reported */
- function reportWarnings($Interface="CLI")
- {
- $this->ErrorReporting = TRUE;
- $this->ErrorInterface = $Interface;
- }
- /* Set the font properties */
- function setFontProperties($FontName,$FontSize)
- {
- $this->FontName = $FontName;
- $this->FontSize = $FontSize;
- }
- /* Set the shadow properties */
- function setShadowProperties($XDistance=1,$YDistance=1,$R=60,$G=60,$B=60,$Alpha=50,$Blur=0)
- {
- $this->ShadowActive = TRUE;
- $this->ShadowXDistance = $XDistance;
- $this->ShadowYDistance = $YDistance;
- $this->ShadowRColor = $R;
- $this->ShadowGColor = $G;
- $this->ShadowBColor = $B;
- $this->ShadowAlpha = $Alpha;
- $this->ShadowBlur = $Blur;
- }
- /* Remove shadow option */
- function clearShadow()
- {
- $this->ShadowActive = FALSE;
- }
- /* Set Palette color */
- function setColorPalette($ID,$R,$G,$B)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $this->Palette[$ID]["R"] = $R;
- $this->Palette[$ID]["G"] = $G;
- $this->Palette[$ID]["B"] = $B;
- }
- /* Create a color palette shading from one color to another */
- function createColorGradientPalette($R1,$G1,$B1,$R2,$G2,$B2,$Shades)
- {
- $RFactor = ($R2-$R1)/$Shades;
- $GFactor = ($G2-$G1)/$Shades;
- $BFactor = ($B2-$B1)/$Shades;
- for($i=0;$i<=$Shades-1;$i++)
- {
- $this->Palette[$i]["R"] = $R1+$RFactor*$i;
- $this->Palette[$i]["G"] = $G1+$GFactor*$i;
- $this->Palette[$i]["B"] = $B1+$BFactor*$i;
- }
- }
- /* Load Color Palette from file */
- function loadColorPalette($FileName,$Delimiter=",")
- {
- $handle = @fopen($FileName,"r");
- $ColorID = 0;
- if ($handle)
- {
- while (!feof($handle))
- {
- $buffer = fgets($handle, 4096);
- $buffer = str_replace(chr(10),"",$buffer);
- $buffer = str_replace(chr(13),"",$buffer);
- $Values = split($Delimiter,$buffer);
- if ( count($Values) == 3 )
- {
- $this->Palette[$ColorID]["R"] = $Values[0];
- $this->Palette[$ColorID]["G"] = $Values[1];
- $this->Palette[$ColorID]["B"] = $Values[2];
- $ColorID++;
- }
- }
- }
- }
- /* Set line style */
- function setLineStyle($Width=1,$DotSize=0)
- {
- $this->LineWidth = $Width;
- $this->LineDotSize = $DotSize;
- }
- /* Set currency symbol */
- function setCurrency($Currency)
- {
- $this->Currency = $Currency;
- }
- /* Set the graph area location */
- function setGraphArea($X1,$Y1,$X2,$Y2)
- {
- $this->GArea_X1 = $X1;
- $this->GArea_Y1 = $Y1;
- $this->GArea_X2 = $X2;
- $this->GArea_Y2 = $Y2;
- }
- /* Prepare the graph area */
- function drawGraphArea($R,$G,$B,$Stripe=FALSE)
- {
- $this->drawFilledRectangle($this->GArea_X1,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B,FALSE);
- $this->drawRectangle($this->GArea_X1,$this->GArea_Y1,$this->GArea_X2,$this->GArea_Y2,$R-40,$G-40,$B-40);
- if ( $Stripe )
- {
- $R2 = $R-15; if ( $R2 < 0 ) { $R2 = 0; }
- $G2 = $R-15; if ( $G2 < 0 ) { $G2 = 0; }
- $B2 = $R-15; if ( $B2 < 0 ) { $B2 = 0; }
- $LineColor =$this->AllocateColor($this->Picture,$R2,$G2,$B2);
- $SkewWidth = $this->GArea_Y2-$this->GArea_Y1-1;
- for($i=$this->GArea_X1-$SkewWidth;$i<=$this->GArea_X2;$i=$i+4)
- {
- $X1 = $i; $Y1 = $this->GArea_Y2;
- $X2 = $i+$SkewWidth; $Y2 = $this->GArea_Y1;
- if ( $X1 < $this->GArea_X1 )
- { $X1 = $this->GArea_X1; $Y1 = $this->GArea_Y1 + $X2 - $this->GArea_X1 + 1; }
- if ( $X2 >= $this->GArea_X2 )
- { $Y2 = $this->GArea_Y1 + $X2 - $this->GArea_X2 +1; $X2 = $this->GArea_X2 - 1; }
- // * Fixed in 1.27 * { $X2 = $this->GArea_X2 - 1; $Y2 = $this->GArea_Y2 - ($this->GArea_X2 - $X1); }
- imageline($this->Picture,$X1,$Y1,$X2,$Y2+1,$LineColor);
- }
- }
- }
- /* Allow you to clear the scale : used if drawing multiple charts */
- function clearScale()
- {
- $this->VMin = NULL;
- $this->VMax = NULL;
- $this->VXMin = NULL;
- $this->VXMax = NULL;
- $this->Divisions = NULL;
- $this->XDivisions = NULL; }
- /* Allow you to fix the scale, use this to bypass the automatic scaling */
- function setFixedScale($VMin,$VMax,$Divisions=5,$VXMin=0,$VXMax=0,$XDivisions=5)
- {
- $this->VMin = $VMin;
- $this->VMax = $VMax;
- $this->Divisions = $Divisions;
- if ( !$VXMin == 0 )
- {
- $this->VXMin = $VXMin;
- $this->VXMax = $VXMax;
- $this->XDivisions = $XDivisions;
- }
- }
- /* Wrapper to the drawScale() function allowing a second scale to be drawn */
- function drawRightScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1)
- {
- $this->drawScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks,$Angle,$Decimals,$WithMargin,$SkipLabels,TRUE);
- }
- /* Compute and draw the scale */
- function drawScale($Data,$DataDescription,$ScaleMode,$R,$G,$B,$DrawTicks=TRUE,$Angle=0,$Decimals=1,$WithMargin=FALSE,$SkipLabels=1,$RightScale=FALSE)
- {
- /* Validate the Data and DataDescription array */
- $this->validateData("drawScale",$Data);
- $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
- $this->drawLine($this->GArea_X1,$this->GArea_Y1,$this->GArea_X1,$this->GArea_Y2,$R,$G,$B);
- $this->drawLine($this->GArea_X1,$this->GArea_Y2,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B);
- if ( $this->VMin == NULL && $this->VMax == NULL)
- {
- if (isset($DataDescription["Values"][0]))
- {
- $this->VMin = $Data[0][$DataDescription["Values"][0]];
- $this->VMax = $Data[0][$DataDescription["Values"][0]];
- }
- else { $this->VMin = 2147483647; $this->VMax = -2147483647; }
- /* Compute Min and Max values */
- if ( $ScaleMode == SCALE_NORMAL || $ScaleMode == SCALE_START0 )
- {
- if ( $ScaleMode == SCALE_START0 ) { $this->VMin = 0; }
- foreach ( $Data as $Key => $Values )
- {
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- if (isset($Data[$Key][$ColName]))
- {
- $Value = $Data[$Key][$ColName];
- if ( is_numeric($Value) )
- {
- if ( $this->VMax < $Value) { $this->VMax = $Value; }
- if ( $this->VMin > $Value) { $this->VMin = $Value; }
- }
- }
- }
- }
- }
- elseif ( $ScaleMode == SCALE_ADDALL || $ScaleMode == SCALE_ADDALLSTART0 ) /* Experimental */
- {
- if ( $ScaleMode == SCALE_ADDALLSTART0 ) { $this->VMin = 0; }
- foreach ( $Data as $Key => $Values )
- {
- $Sum = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- if (isset($Data[$Key][$ColName]))
- {
- $Value = $Data[$Key][$ColName];
- if ( is_numeric($Value) )
- $Sum += $Value;
- }
- }
- if ( $this->VMax < $Sum) { $this->VMax = $Sum; }
- if ( $this->VMin > $Sum) { $this->VMin = $Sum; }
- }
- }
- if ( $this->VMax > preg_replace('/\.[0-9]+/','',$this->VMax) )
- $this->VMax = preg_replace('/\.[0-9]+/','',$this->VMax)+1;
- /* If all values are the same */
- if ( $this->VMax == $this->VMin )
- {
- if ( $this->VMax >= 0 ) { $this->VMax++; }
- else { $this->VMin--; }
- }
- $DataRange = $this->VMax - $this->VMin;
- if ( $DataRange == 0 ) { $DataRange = .1; }
- /* Compute automatic scaling */
- $ScaleOk = FALSE; $Factor = 1;
- $MinDivHeight = 25; $MaxDivs = ($this->GArea_Y2 - $this->GArea_Y1) / $MinDivHeight;
- if ( $this->VMin == 0 && $this->VMax == 0 )
- { $this->VMin = 0; $this->VMax = 2; $Scale = 1; $Divisions = 2;}
- elseif ($MaxDivs > 1)
- {
- while(!$ScaleOk)
- {
- $Scale1 = ( $this->VMax - $this->VMin ) / $Factor;
- $Scale2 = ( $this->VMax - $this->VMin ) / $Factor / 2;
- $Scale4 = ( $this->VMax - $this->VMin ) / $Factor / 4;
- if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale1); $Scale = 1;}
- if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale2); $Scale = 2;}
- if (!$ScaleOk)
- {
- if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }
- if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }
- }
- }
- if ( floor($this->VMax / $Scale / $Factor) != $this->VMax / $Scale / $Factor)
- {
- $GridID = floor ( $this->VMax / $Scale / $Factor) + 1;
- $this->VMax = $GridID * $Scale * $Factor;
- $Divisions++;
- }
- if ( floor($this->VMin / $Scale / $Factor) != $this->VMin / $Scale / $Factor)
- {
- $GridID = floor( $this->VMin / $Scale / $Factor);
- $this->VMin = $GridID * $Scale * $Factor;
- $Divisions++;
- }
- }
- else /* Can occurs for small graphs */
- $Scale = 1;
- if ( !isset($Divisions) )
- $Divisions = 2;
- if ($Scale == 1 && $Divisions%2 == 1)
- $Divisions--;
- }
- else
- $Divisions = $this->Divisions;
- $this->DivisionCount = $Divisions;
- $DataRange = $this->VMax - $this->VMin;
- if ( $DataRange == 0 ) { $DataRange = .1; }
- $this->DivisionHeight = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $Divisions;
- $this->DivisionRatio = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $DataRange;
- $this->GAreaXOffset = 0;
- if ( count($Data) > 1 )
- {
- if ( $WithMargin == FALSE )
- $this->DivisionWidth = ( $this->GArea_X2 - $this->GArea_X1 ) / (count($Data)-1);
- else
- {
- $this->DivisionWidth = ( $this->GArea_X2 - $this->GArea_X1 ) / (count($Data));
- $this->GAreaXOffset = $this->DivisionWidth / 2;
- }
- }
- else
- {
- $this->DivisionWidth = $this->GArea_X2 - $this->GArea_X1;
- $this->GAreaXOffset = $this->DivisionWidth / 2;
- }
- $this->DataCount = count($Data);
- if ( $DrawTicks == FALSE )
- return(0);
- $YPos = $this->GArea_Y2; $XMin = NULL;
- for($i=1;$i<=$Divisions+1;$i++)
- {
- if ( $RightScale )
- $this->drawLine($this->GArea_X2,$YPos,$this->GArea_X2+5,$YPos,$R,$G,$B);
- else
- $this->drawLine($this->GArea_X1,$YPos,$this->GArea_X1-5,$YPos,$R,$G,$B);
- $Value = $this->VMin + ($i-1) * (( $this->VMax - $this->VMin ) / $Divisions);
- $Value = round($Value * pow(10,$Decimals)) / pow(10,$Decimals);
- if ( $DataDescription["Format"]["Y"] == "number" )
- $Value = $Value.$DataDescription["Unit"]["Y"];
- if ( $DataDescription["Format"]["Y"] == "time" )
- $Value = $this->ToTime($Value);
- if ( $DataDescription["Format"]["Y"] == "date" )
- $Value = $this->ToDate($Value);
- if ( $DataDescription["Format"]["Y"] == "metric" )
- $Value = $this->ToMetric($Value);
- if ( $DataDescription["Format"]["Y"] == "currency" )
- $Value = $this->ToCurrency($Value);
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);
- $TextWidth = $Position[2]-$Position[0];
- if ( $RightScale )
- {
- imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X2+10,$YPos+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
- if ( $XMin < $this->GArea_X2+15+$TextWidth || $XMin == NULL ) { $XMin = $this->GArea_X2+15+$TextWidth; }
- }
- else
- {
- imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1-10-$TextWidth,$YPos+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
- if ( $XMin > $this->GArea_X1-10-$TextWidth || $XMin == NULL ) { $XMin = $this->GArea_X1-10-$TextWidth; }
- }
- $YPos = $YPos - $this->DivisionHeight;
- }
- /* Write the Y Axis caption if set */
- if ( isset($DataDescription["Axis"]["Y"]) )
- {
- $Position = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["Y"]);
- $TextHeight = abs($Position[1])+abs($Position[3]);
- $TextTop = (($this->GArea_Y2 - $this->GArea_Y1) / 2) + $this->GArea_Y1 + ($TextHeight/2);
- if ( $RightScale )
- imagettftext($this->Picture,$this->FontSize,90,$XMin+$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
- else
- imagettftext($this->Picture,$this->FontSize,90,$XMin-$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
- }
- /* Horizontal Axis */
- $XPos = $this->GArea_X1 + $this->GAreaXOffset;
- $ID = 1; $YMax = NULL;
- foreach ( $Data as $Key => $Values )
- {
- if ( $ID % $SkipLabels == 0 )
- {
- $this->drawLine(floor($XPos),$this->GArea_Y2,floor($XPos),$this->GArea_Y2+5,$R,$G,$B);
- $Value = $Data[$Key][$DataDescription["Position"]];
- if ( $DataDescription["Format"]["X"] == "number" )
- $Value = $Value.$DataDescription["Unit"]["X"];
- if ( $DataDescription["Format"]["X"] == "time" )
- $Value = $this->ToTime($Value);
- if ( $DataDescription["Format"]["X"] == "date" )
- $Value = $this->ToDate($Value);
- if ( $DataDescription["Format"]["X"] == "metric" )
- $Value = $this->ToMetric($Value);
- if ( $DataDescription["Format"]["X"] == "currency" )
- $Value = $this->ToCurrency($Value);
- $Position = imageftbbox($this->FontSize,$Angle,$this->FontName,$Value);
- $TextWidth = abs($Position[2])+abs($Position[0]);
- $TextHeight = abs($Position[1])+abs($Position[3]);
- if ( $Angle == 0 )
- {
- $YPos = $this->GArea_Y2+18;
- imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-floor($TextWidth/2),$YPos,$C_TextColor,$this->FontName,$Value);
- }
- else
- {
- $YPos = $this->GArea_Y2+10+$TextHeight;
- if ( $Angle <= 90 )
- imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);
- else
- imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)+$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);
- }
- if ( $YMax < $YPos || $YMax == NULL ) { $YMax = $YPos; }
- }
- $XPos = $XPos + $this->DivisionWidth;
- $ID++;
- }
- /* Write the X Axis caption if set */
- if ( isset($DataDescription["Axis"]["X"]) )
- {
- $Position = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["X"]);
- $TextWidth = abs($Position[2])+abs($Position[0]);
- $TextLeft = (($this->GArea_X2 - $this->GArea_X1) / 2) + $this->GArea_X1 + ($TextWidth/2);
- imagettftext($this->Picture,$this->FontSize,0,$TextLeft,$YMax+$this->FontSize+5,$C_TextColor,$this->FontName,$DataDescription["Axis"]["X"]);
- }
- }
- /* Compute and draw the scale for X/Y charts */
- function drawXYScale($Data,$DataDescription,$YSerieName,$XSerieName,$R,$G,$B,$WithMargin=0,$Angle=0,$Decimals=1)
- {
- /* Validate the Data and DataDescription array */
- $this->validateData("drawScale",$Data);
- $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
- $this->drawLine($this->GArea_X1,$this->GArea_Y1,$this->GArea_X1,$this->GArea_Y2,$R,$G,$B);
- $this->drawLine($this->GArea_X1,$this->GArea_Y2,$this->GArea_X2,$this->GArea_Y2,$R,$G,$B);
- /* Process Y scale */
- if ( $this->VMin == NULL && $this->VMax == NULL)
- {
- $this->VMin = $Data[0][$YSerieName];
- $this->VMax = $Data[0][$YSerieName];
- foreach ( $Data as $Key => $Values )
- {
- if (isset($Data[$Key][$YSerieName]))
- {
- $Value = $Data[$Key][$YSerieName];
- if ( $this->VMax < $Value) { $this->VMax = $Value; }
- if ( $this->VMin > $Value) { $this->VMin = $Value; }
- }
- }
- if ( $this->VMax > preg_replace('/\.[0-9]+/','',$this->VMax) )
- $this->VMax = preg_replace('/\.[0-9]+/','',$this->VMax)+1;
- $DataRange = $this->VMax - $this->VMin;
- if ( $DataRange == 0 ) { $DataRange = .1; }
- /* Compute automatic scaling */
- $ScaleOk = FALSE; $Factor = 1;
- $MinDivHeight = 25; $MaxDivs = ($this->GArea_Y2 - $this->GArea_Y1) / $MinDivHeight;
- if ( $this->VMin == 0 && $this->VMax == 0 )
- { $this->VMin = 0; $this->VMax = 2; $Scale = 1; $Divisions = 2;}
- elseif ($MaxDivs > 1)
- {
- while(!$ScaleOk)
- {
- $Scale1 = ( $this->VMax - $this->VMin ) / $Factor;
- $Scale2 = ( $this->VMax - $this->VMin ) / $Factor / 2;
- $Scale4 = ( $this->VMax - $this->VMin ) / $Factor / 4;
- if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale1); $Scale = 1;}
- if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $Divisions = floor($Scale2); $Scale = 2;}
- if (!$ScaleOk)
- {
- if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }
- if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }
- }
- }
- if ( floor($this->VMax / $Scale / $Factor) != $this->VMax / $Scale / $Factor)
- {
- $GridID = floor ( $this->VMax / $Scale / $Factor) + 1;
- $this->VMax = $GridID * $Scale * $Factor;
- $Divisions++;
- }
- if ( floor($this->VMin / $Scale / $Factor) != $this->VMin / $Scale / $Factor)
- {
- $GridID = floor( $this->VMin / $Scale / $Factor);
- $this->VMin = $GridID * $Scale * $Factor;
- $Divisions++;
- }
- }
- else /* Can occurs for small graphs */
- $Scale = 1;
- if ( !isset($Divisions) )
- $Divisions = 2;
- if ( $this->isRealInt(($this->VMax-$this->VMin)/($Divisions-1)))
- $Divisions--;
- elseif ( $this->isRealInt(($this->VMax-$this->VMin)/($Divisions+1)))
- $Divisions++;
- }
- else
- $Divisions = $this->Divisions;
- $this->DivisionCount = $Divisions;
- $DataRange = $this->VMax - $this->VMin;
- if ( $DataRange == 0 ) { $DataRange = .1; }
- $this->DivisionHeight = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $Divisions;
- $this->DivisionRatio = ( $this->GArea_Y2 - $this->GArea_Y1 ) / $DataRange;
- $YPos = $this->GArea_Y2; $XMin = NULL;
- for($i=1;$i<=$Divisions+1;$i++)
- {
- $this->drawLine($this->GArea_X1,$YPos,$this->GArea_X1-5,$YPos,$R,$G,$B);
- $Value = $this->VMin + ($i-1) * (( $this->VMax - $this->VMin ) / $Divisions);
- $Value = round($Value * pow(10,$Decimals)) / pow(10,$Decimals);
- if ( $DataDescription["Format"]["Y"] == "number" )
- $Value = $Value.$DataDescription["Unit"]["Y"];
- if ( $DataDescription["Format"]["Y"] == "time" )
- $Value = $this->ToTime($Value);
- if ( $DataDescription["Format"]["Y"] == "date" )
- $Value = $this->ToDate($Value);
- if ( $DataDescription["Format"]["Y"] == "metric" )
- $Value = $this->ToMetric($Value);
- if ( $DataDescription["Format"]["Y"] == "currency" )
- $Value = $this->ToCurrency($Value);
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);
- $TextWidth = $Position[2]-$Position[0];
- imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1-10-$TextWidth,$YPos+($this->FontSize/2),$C_TextColor,$this->FontName,$Value);
- if ( $XMin > $this->GArea_X1-10-$TextWidth || $XMin == NULL ) { $XMin = $this->GArea_X1-10-$TextWidth; }
- $YPos = $YPos - $this->DivisionHeight;
- }
- /* Process X scale */
- if ( $this->VXMin == NULL && $this->VXMax == NULL)
- {
- $this->VXMin = $Data[0][$XSerieName];
- $this->VXMax = $Data[0][$XSerieName];
- foreach ( $Data as $Key => $Values )
- {
- if (isset($Data[$Key][$XSerieName]))
- {
- $Value = $Data[$Key][$XSerieName];
- if ( $this->VXMax < $Value) { $this->VXMax = $Value; }
- if ( $this->VXMin > $Value) { $this->VXMin = $Value; }
- }
- }
- if ( $this->VXMax > preg_replace('/\.[0-9]+/','',$this->VXMax) )
- $this->VXMax = preg_replace('/\.[0-9]+/','',$this->VXMax)+1;
- $DataRange = $this->VMax - $this->VMin;
- if ( $DataRange == 0 ) { $DataRange = .1; }
- /* Compute automatic scaling */
- $ScaleOk = FALSE; $Factor = 1;
- $MinDivWidth = 25; $MaxDivs = ($this->GArea_X2 - $this->GArea_X1) / $MinDivWidth;
- if ( $this->VXMin == 0 && $this->VXMax == 0 )
- { $this->VXMin = 0; $this->VXMax = 2; $Scale = 1; $XDivisions = 2;}
- elseif ($MaxDivs > 1)
- {
- while(!$ScaleOk)
- {
- $Scale1 = ( $this->VXMax - $this->VXMin ) / $Factor;
- $Scale2 = ( $this->VXMax - $this->VXMin ) / $Factor / 2;
- $Scale4 = ( $this->VXMax - $this->VXMin ) / $Factor / 4;
- if ( $Scale1 > 1 && $Scale1 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $XDivisions = floor($Scale1); $Scale = 1;}
- if ( $Scale2 > 1 && $Scale2 <= $MaxDivs && !$ScaleOk) { $ScaleOk = TRUE; $XDivisions = floor($Scale2); $Scale = 2;}
- if (!$ScaleOk)
- {
- if ( $Scale2 > 1 ) { $Factor = $Factor * 10; }
- if ( $Scale2 < 1 ) { $Factor = $Factor / 10; }
- }
- }
- if ( floor($this->VXMax / $Scale / $Factor) != $this->VXMax / $Scale / $Factor)
- {
- $GridID = floor ( $this->VXMax / $Scale / $Factor) + 1;
- $this->VXMax = $GridID * $Scale * $Factor;
- $XDivisions++;
- }
- if ( floor($this->VXMin / $Scale / $Factor) != $this->VXMin / $Scale / $Factor)
- {
- $GridID = floor( $this->VXMin / $Scale / $Factor);
- $this->VXMin = $GridID * $Scale * $Factor;
- $XDivisions++;
- }
- }
- else /* Can occurs for small graphs */
- $Scale = 1;
- if ( !isset($XDivisions) )
- $XDivisions = 2;
- if ( $this->isRealInt(($this->VXMax-$this->VXMin)/($XDivisions-1)))
- $XDivisions--;
- elseif ( $this->isRealInt(($this->VXMax-$this->VXMin)/($XDivisions+1)))
- $XDivisions++;
- }
- else
- $XDivisions = $this->XDivisions;
- $this->XDivisionCount = $Divisions;
- $this->DataCount = $Divisions + 2;
- $XDataRange = $this->VXMax - $this->VXMin;
- if ( $XDataRange == 0 ) { $XDataRange = .1; }
- $this->DivisionWidth = ( $this->GArea_X2 - $this->GArea_X1 ) / $XDivisions;
- $this->XDivisionRatio = ( $this->GArea_X2 - $this->GArea_X1 ) / $XDataRange;
- $XPos = $this->GArea_X1; $YMax = NULL;
- for($i=1;$i<=$XDivisions+1;$i++)
- {
- $this->drawLine($XPos,$this->GArea_Y2,$XPos,$this->GArea_Y2+5,$R,$G,$B);
- $Value = $this->VXMin + ($i-1) * (( $this->VXMax - $this->VXMin ) / $XDivisions);
- $Value = round($Value * pow(10,$Decimals)) / pow(10,$Decimals);
- if ( $DataDescription["Format"]["Y"] == "number" )
- $Value = $Value.$DataDescription["Unit"]["Y"];
- if ( $DataDescription["Format"]["Y"] == "time" )
- $Value = $this->ToTime($Value);
- if ( $DataDescription["Format"]["Y"] == "date" )
- $Value = $this->ToDate($Value);
- if ( $DataDescription["Format"]["Y"] == "metric" )
- $Value = $this->ToMetric($Value);
- if ( $DataDescription["Format"]["Y"] == "currency" )
- $Value = $this->ToCurrency($Value);
- $Position = imageftbbox($this->FontSize,$Angle,$this->FontName,$Value);
- $TextWidth = abs($Position[2])+abs($Position[0]);
- $TextHeight = abs($Position[1])+abs($Position[3]);
- if ( $Angle == 0 )
- {
- $YPos = $this->GArea_Y2+18;
- imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-floor($TextWidth/2),$YPos,$C_TextColor,$this->FontName,$Value);
- }
- else
- {
- $YPos = $this->GArea_Y2+10+$TextHeight;
- if ( $Angle <= 90 )
- imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)-$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);
- else
- imagettftext($this->Picture,$this->FontSize,$Angle,floor($XPos)+$TextWidth+5,$YPos,$C_TextColor,$this->FontName,$Value);
- }
- if ( $YMax < $YPos || $YMax == NULL ) { $YMax = $YPos; }
- $XPos = $XPos + $this->DivisionWidth;
- }
- /* Write the Y Axis caption if set */
- if ( isset($DataDescription["Axis"]["Y"]) )
- {
- $Position = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["Y"]);
- $TextHeight = abs($Position[1])+abs($Position[3]);
- $TextTop = (($this->GArea_Y2 - $this->GArea_Y1) / 2) + $this->GArea_Y1 + ($TextHeight/2);
- imagettftext($this->Picture,$this->FontSize,90,$XMin-$this->FontSize,$TextTop,$C_TextColor,$this->FontName,$DataDescription["Axis"]["Y"]);
- }
- /* Write the X Axis caption if set */
- if ( isset($DataDescription["Axis"]["X"]) )
- {
- $Position = imageftbbox($this->FontSize,90,$this->FontName,$DataDescription["Axis"]["X"]);
- $TextWidth = abs($Position[2])+abs($Position[0]);
- $TextLeft = (($this->GArea_X2 - $this->GArea_X1) / 2) + $this->GArea_X1 + ($TextWidth/2);
- imagettftext($this->Picture,$this->FontSize,0,$TextLeft,$YMax+$this->FontSize+5,$C_TextColor,$this->FontName,$DataDescription["Axis"]["X"]);
- }
- }
- /* Compute and draw the scale */
- function drawGrid($LineWidth,$Mosaic=TRUE,$R=220,$G=220,$B=220,$Alpha=100)
- {
- /* Draw mosaic */
- if ( $Mosaic )
- {
- $LayerWidth = $this->GArea_X2-$this->GArea_X1;
- $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
- $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
- $C_White =$this->AllocateColor($this->Layers[0],255,255,255);
- imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
- imagecolortransparent($this->Layers[0],$C_White);
- $C_Rectangle =$this->AllocateColor($this->Layers[0],250,250,250);
- $YPos = $LayerHeight; //$this->GArea_Y2-1;
- $LastY = $YPos;
- for($i=0;$i<=$this->DivisionCount;$i++)
- {
- $LastY = $YPos;
- $YPos = $YPos - $this->DivisionHeight;
- if ( $YPos <= 0 ) { $YPos = 1; }
- if ( $i % 2 == 0 )
- {
- imagefilledrectangle($this->Layers[0],1,$YPos,$LayerWidth-1,$LastY,$C_Rectangle);
- }
- }
- imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
- imagedestroy($this->Layers[0]);
- }
- /* Horizontal lines */
- $YPos = $this->GArea_Y2 - $this->DivisionHeight;
- for($i=1;$i<=$this->DivisionCount;$i++)
- {
- if ( $YPos > $this->GArea_Y1 && $YPos < $this->GArea_Y2 )
- $this->drawDottedLine($this->GArea_X1,$YPos,$this->GArea_X2,$YPos,$LineWidth,$R,$G,$B);
- $YPos = $YPos - $this->DivisionHeight;
- }
- /* Vertical lines */
- if ( $this->GAreaXOffset == 0 )
- { $XPos = $this->GArea_X1 + $this->DivisionWidth + $this->GAreaXOffset; $ColCount = $this->DataCount-2; }
- else
- { $XPos = $this->GArea_X1 + $this->GAreaXOffset; $ColCount = floor( ($this->GArea_X2 - $this->GArea_X1) / $this->DivisionWidth ); }
- for($i=1;$i<=$ColCount;$i++)
- {
- if ( $XPos > $this->GArea_X1 && $XPos < $this->GArea_X2 )
- $this->drawDottedLine(floor($XPos),$this->GArea_Y1,floor($XPos),$this->GArea_Y2,$LineWidth,$R,$G,$B);
- $XPos = $XPos + $this->DivisionWidth;
- }
- }
- /* retrieve the legends size */
- function getLegendBoxSize($DataDescription)
- {
- if ( !isset($DataDescription["Description"]) )
- return(-1);
- /* <-10->[8]<-4->Text<-10-> */
- $MaxWidth = 0; $MaxHeight = 8;
- foreach($DataDescription["Description"] as $Key => $Value)
- {
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);
- $TextWidth = $Position[2]-$Position[0];
- $TextHeight = $Position[1]-$Position[7];
- if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }
- $MaxHeight = $MaxHeight + $TextHeight + 4;
- }
- $MaxHeight = $MaxHeight - 3;
- $MaxWidth = $MaxWidth + 32;
- return(array($MaxWidth,$MaxHeight));
- }
- /* Draw the data legends */
- function drawLegend($XPos,$YPos,$DataDescription,$R,$G,$B,$Rs=-1,$Gs=-1,$Bs=-1,$Rt=0,$Gt=0,$Bt=0,$Border=TRUE)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawLegend",$DataDescription);
- if ( !isset($DataDescription["Description"]) )
- return(-1);
- $C_TextColor =$this->AllocateColor($this->Picture,$Rt,$Gt,$Bt);
- /* <-10->[8]<-4->Text<-10-> */
- $MaxWidth = 0; $MaxHeight = 8;
- foreach($DataDescription["Description"] as $Key => $Value)
- {
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);
- $TextWidth = $Position[2]-$Position[0];
- $TextHeight = $Position[1]-$Position[7];
- if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }
- $MaxHeight = $MaxHeight + $TextHeight + 4;
- }
- $MaxHeight = $MaxHeight - 5;
- $MaxWidth = $MaxWidth + 32;
- if ( $Rs == -1 || $Gs == -1 || $Bs == -1 )
- { $Rs = $R-30; $Gs = $G-30; $Bs = $B-30; }
- if ( $Border )
- {
- $this->drawFilledRoundedRectangle($XPos+1,$YPos+1,$XPos+$MaxWidth+1,$YPos+$MaxHeight+1,5,$Rs,$Gs,$Bs);
- $this->drawFilledRoundedRectangle($XPos,$YPos,$XPos+$MaxWidth,$YPos+$MaxHeight,5,$R,$G,$B);
- }
- $YOffset = 4 + $this->FontSize; $ID = 0;
- foreach($DataDescription["Description"] as $Key => $Value)
- {
- $this->drawFilledRoundedRectangle($XPos+10,$YPos+$YOffset-4,$XPos+14,$YPos+$YOffset-4,2,$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
- imagettftext($this->Picture,$this->FontSize,0,$XPos+22,$YPos+$YOffset,$C_TextColor,$this->FontName,$Value);
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);
- $TextHeight = $Position[1]-$Position[7];
- $YOffset = $YOffset + $TextHeight + 4;
- $ID++;
- }
- }
- /* Draw the data legends */
- function drawPieLegend($XPos,$YPos,$Data,$DataDescription,$R,$G,$B)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawPieLegend",$DataDescription,FALSE);
- $this->validateData("drawPieLegend",$Data);
- if ( !isset($DataDescription["Position"]) )
- return(-1);
- $C_TextColor =$this->AllocateColor($this->Picture,0,0,0);
- /* <-10->[8]<-4->Text<-10-> */
- $MaxWidth = 0; $MaxHeight = 8;
- foreach($Data as $Key => $Value)
- {
- $Value2 = $Value[$DataDescription["Position"]];
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value2);
- $TextWidth = $Position[2]-$Position[0];
- $TextHeight = $Position[1]-$Position[7];
- if ( $TextWidth > $MaxWidth) { $MaxWidth = $TextWidth; }
- $MaxHeight = $MaxHeight + $TextHeight + 4;
- }
- $MaxHeight = $MaxHeight - 3;
- $MaxWidth = $MaxWidth + 32;
- $this->drawFilledRoundedRectangle($XPos+1,$YPos+1,$XPos+$MaxWidth+1,$YPos+$MaxHeight+1,5,$R-30,$G-30,$B-30);
- $this->drawFilledRoundedRectangle($XPos,$YPos,$XPos+$MaxWidth,$YPos+$MaxHeight,5,$R,$G,$B);
- $YOffset = 4 + $this->FontSize; $ID = 0;
- foreach($Data as $Key => $Value)
- {
- $Value2 = $Value[$DataDescription["Position"]];
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value2);
- $TextHeight = $Position[1]-$Position[7];
- $this->drawFilledRectangle($XPos+10,$YPos+$YOffset-6,$XPos+14,$YPos+$YOffset-2,$this->Palette[$ID]["R"],$this->Palette[$ID]["G"],$this->Palette[$ID]["B"]);
- imagettftext($this->Picture,$this->FontSize,0,$XPos+22,$YPos+$YOffset,$C_TextColor,$this->FontName,$Value2);
- $YOffset = $YOffset + $TextHeight + 4;
- $ID++;
- }
- }
- /* Draw the graph title */
- function drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2=-1,$YPos2=-1,$Shadow=FALSE)
- {
- $C_TextColor = $this->AllocateColor($this->Picture,$R,$G,$B);
- if ( $XPos2 != -1 )
- {
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);
- $TextWidth = $Position[2]-$Position[0];
- $XPos = floor(( $XPos2 - $XPos - $TextWidth ) / 2 ) + $XPos;
- }
- if ( $YPos2 != -1 )
- {
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Value);
- $TextHeight = $Position[5]-$Position[3];
- $YPos = floor(( $YPos2 - $YPos - $TextHeight ) / 2 ) + $YPos;
- }
- if ( $Shadow )
- {
- $C_ShadowColor = $this->AllocateColor($this->Picture,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor);
- imagettftext($this->Picture,$this->FontSize,0,$XPos+$this->ShadowXDistance,$YPos+$this->ShadowYDistance,$C_ShadowColor,$this->FontName,$Value);
- }
- imagettftext($this->Picture,$this->FontSize,0,$XPos,$YPos,$C_TextColor,$this->FontName,$Value);
- }
- /* Draw a text box with text align & alpha properties */
- function drawTextBox($X1,$Y1,$X2,$Y2,$Text,$Angle=0,$R=255,$G=255,$B=255,$Align=ALIGN_LEFT,$Shadow=TRUE,$BgR=-1,$BgG=-1,$BgB=-1,$Alpha=100)
- {
- $Position = imageftbbox($this->FontSize,$Angle,$this->FontName,$Text);
- $TextWidth = $Position[2]-$Position[0];
- $TextHeight = $Position[5]-$Position[3];
- $AreaWidth = $X2 - $X1;
- $AreaHeight = $Y2 - $Y1;
- if ( $BgR != -1 && $BgG != -1 && $BgB != -1 )
- $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,$BgR,$BgG,$BgB,FALSE,$Alpha);
- if ( $Align == ALIGN_TOP_LEFT ) { $X = $X1+1; $Y = $Y1+$this->FontSize+1; }
- if ( $Align == ALIGN_TOP_CENTER ) { $X = $X1+($AreaWidth/2)-($TextWidth/2); $Y = $Y1+$this->FontSize+1; }
- if ( $Align == ALIGN_TOP_RIGHT ) { $X = $X2-$TextWidth-1; $Y = $Y1+$this->FontSize+1; }
- if ( $Align == ALIGN_LEFT ) { $X = $X1+1; $Y = $Y1+($AreaHeight/2)-($TextHeight/2); }
- if ( $Align == ALIGN_CENTER ) { $X = $X1+($AreaWidth/2)-($TextWidth/2); $Y = $Y1+($AreaHeight/2)-($TextHeight/2); }
- if ( $Align == ALIGN_RIGHT ) { $X = $X2-$TextWidth-1; $Y = $Y1+($AreaHeight/2)-($TextHeight/2); }
- if ( $Align == ALIGN_BOTTOM_LEFT ) { $X = $X1+1; $Y = $Y2-1; }
- if ( $Align == ALIGN_BOTTOM_CENTER ) { $X = $X1+($AreaWidth/2)-($TextWidth/2); $Y = $Y2-1; }
- if ( $Align == ALIGN_BOTTOM_RIGHT ) { $X = $X2-$TextWidth-1; $Y = $Y2-1; }
- $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
- $C_ShadowColor =$this->AllocateColor($this->Picture,0,0,0);
- if ( $Shadow )
- imagettftext($this->Picture,$this->FontSize,$Angle,$X+1,$Y+1,$C_ShadowColor,$this->FontName,$Text);
- imagettftext($this->Picture,$this->FontSize,$Angle,$X,$Y,$C_TextColor,$this->FontName,$Text);
- }
- /* Compute and draw the scale */
- function drawTreshold($Value,$R,$G,$B,$ShowLabel=FALSE,$ShowOnRight=FALSE,$TickWidth=4,$FreeText=NULL)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $C_TextColor =$this->AllocateColor($this->Picture,$R,$G,$B);
- $Y = $this->GArea_Y2 - ($Value - $this->VMin) * $this->DivisionRatio;
- if ( $Y <= $this->GArea_Y1 || $Y >= $this->GArea_Y2 )
- return(-1);
- if ( $TickWidth == 0 )
- $this->drawLine($this->GArea_X1,$Y,$this->GArea_X2,$Y,$R,$G,$B);
- else
- $this->drawDottedLine($this->GArea_X1,$Y,$this->GArea_X2,$Y,$TickWidth,$R,$G,$B);
- if ( $ShowLabel )
- {
- if ( $FreeText == NULL )
- { $Label = $Value; } else { $Label = $FreeText; }
- if ( $ShowOnRight )
- imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X2+2,$Y+($this->FontSize/2),$C_TextColor,$this->FontName,$Label);
- else
- imagettftext($this->Picture,$this->FontSize,0,$this->GArea_X1+2,$Y-($this->FontSize/2),$C_TextColor,$this->FontName,$Label);
- }
- }
- /* This function put a label on a specific point */
- function setLabel($Data,$DataDescription,$SerieName,$ValueName,$Caption,$R=210,$G=210,$B=210)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("setLabel",$DataDescription);
- $this->validateData("setLabel",$Data);
- $ShadowFactor = 100;
- $C_Label =$this->AllocateColor($this->Picture,$R,$G,$B);
- $C_Shadow =$this->AllocateColor($this->Picture,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
- $C_TextColor =$this->AllocateColor($this->Picture,0,0,0);
- $Cp = 0; $Found = FALSE;
- foreach ( $Data as $Key => $Value )
- {
- if ( $Data[$Key][$DataDescription["Position"]] == $ValueName )
- { $NumericalValue = $Data[$Key][$SerieName]; $Found = TRUE; }
- if ( !$Found )
- $Cp++;
- }
- $XPos = $this->GArea_X1 + $this->GAreaXOffset + ( $this->DivisionWidth * $Cp ) + 2;
- $YPos = $this->GArea_Y2 - ($NumericalValue - $this->VMin) * $this->DivisionRatio;
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
- $TextHeight = $Position[3] - $Position[5];
- $TextWidth = $Position[2]-$Position[0] + 2;
- $TextOffset = floor($TextHeight/2);
- // Shadow
- $Poly = array($XPos+1,$YPos+1,$XPos + 9,$YPos - $TextOffset,$XPos + 8,$YPos + $TextOffset + 2);
- imagefilledpolygon($this->Picture,$Poly,3,$C_Shadow);
- $this->drawLine($XPos,$YPos+1,$XPos + 9,$YPos - $TextOffset - .2,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
- $this->drawLine($XPos,$YPos+1,$XPos + 9,$YPos + $TextOffset + 2.2,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
- $this->drawFilledRectangle($XPos + 9,$YPos - $TextOffset-.2,$XPos + 13 + $TextWidth,$YPos + $TextOffset + 2.2,$R-$ShadowFactor,$G-$ShadowFactor,$B-$ShadowFactor);
- // Label background
- $Poly = array($XPos,$YPos,$XPos + 8,$YPos - $TextOffset - 1,$XPos + 8,$YPos + $TextOffset + 1);
- imagefilledpolygon($this->Picture,$Poly,3,$C_Label);
- $this->drawLine($XPos-1,$YPos,$XPos + 8,$YPos - $TextOffset - 1.2,$R,$G,$B);
- $this->drawLine($XPos-1,$YPos,$XPos + 8,$YPos + $TextOffset + 1.2,$R,$G,$B);
- $this->drawFilledRectangle($XPos + 8,$YPos - $TextOffset - 1.2,$XPos + 12 + $TextWidth,$YPos + $TextOffset + 1.2,$R,$G,$B);
- imagettftext($this->Picture,$this->FontSize,0,$XPos + 10,$YPos + $TextOffset,$C_TextColor,$this->FontName,$Caption);
- }
- /* This function draw a plot graph */
- function drawPlotGraph($Data,$DataDescription,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1,$Shadow=FALSE)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawPlotGraph",$DataDescription);
- $this->validateData("drawPlotGraph",$Data);
- $GraphID = 0;
- $Ro = $R2; $Go = $G2; $Bo = $B2;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $R = $this->Palette[$ColorID]["R"];
- $G = $this->Palette[$ColorID]["G"];
- $B = $this->Palette[$ColorID]["B"];
- $R2 = $Ro; $G2 = $Go; $B2 = $Bo;
- if ( isset($DataDescription["Symbol"][$ColName]) )
- {
- $Is_Alpha = ((ord ( file_get_contents ($DataDescription["Symbol"][$ColName], false, null, 25, 1)) & 6) & 4) == 4;
- $Infos = getimagesize($DataDescription["Symbol"][$ColName]);
- $ImageWidth = $Infos[0];
- $ImageHeight = $Infos[1];
- $Symbol = imagecreatefromgif($DataDescription["Symbol"][$ColName]);
- }
- $XPos = $this->GArea_X1 + $this->GAreaXOffset;
- $Hsize = round($BigRadius/2);
- $R3 = -1; $G3 = -1; $B3 = -1;
- foreach ( $Data as $Key => $Values )
- {
- $Value = $Data[$Key][$ColName];
- $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
- /* Save point into the image map if option activated */
- if ( $this->BuildMap )
- $this->addToImageMap($XPos-$Hsize,$YPos-$Hsize,$XPos+1+$Hsize,$YPos+$Hsize+1,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Plot");
- if ( is_numeric($Value) )
- {
- if ( !isset($DataDescription["Symbol"][$ColName]) )
- {
- if ( $Shadow )
- {
- if ( $R3 !=-1 && $G3 !=-1 && $B3 !=-1 )
- $this->drawFilledCircle($XPos+2,$YPos+2,$BigRadius,$R3,$G3,$B3);
- else
- {
- $R3 = $this->Palette[$ColorID]["R"]-20; if ( $R3 < 0 ) { $R3 = 0; }
- $G3 = $this->Palette[$ColorID]["G"]-20; if ( $G3 < 0 ) { $G3 = 0; }
- $B3 = $this->Palette[$ColorID]["B"]-20; if ( $B3 < 0 ) { $B3 = 0; }
- $this->drawFilledCircle($XPos+2,$YPos+2,$BigRadius,$R3,$G3,$B3);
- }
- }
- $this->drawFilledCircle($XPos+1,$YPos+1,$BigRadius,$R,$G,$B);
- if ( $SmallRadius != 0 )
- {
- if ( $R2 !=-1 && $G2 !=-1 && $B2 !=-1 )
- $this->drawFilledCircle($XPos+1,$YPos+1,$SmallRadius,$R2,$G2,$B2);
- else
- {
- $R2 = $this->Palette[$ColorID]["R"]-15; if ( $R2 < 0 ) { $R2 = 0; }
- $G2 = $this->Palette[$ColorID]["G"]-15; if ( $G2 < 0 ) { $G2 = 0; }
- $B2 = $this->Palette[$ColorID]["B"]-15; if ( $B2 < 0 ) { $B2 = 0; }
- $this->drawFilledCircle($XPos+1,$YPos+1,$SmallRadius,$R2,$G2,$B2);
- }
- }
- }
- else
- {
- imagecopymerge($this->Picture,$Symbol,$XPos+1-$ImageWidth/2,$YPos+1-$ImageHeight/2,0,0,$ImageWidth,$ImageHeight,100);
- }
- }
- $XPos = $XPos + $this->DivisionWidth;
- }
- $GraphID++;
- }
- }
- /* This function draw a plot graph in an X/Y space */
- function drawXYPlotGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0,$BigRadius=5,$SmallRadius=2,$R2=-1,$G2=-1,$B2=-1,$Shadow=TRUE)
- {
- $R = $this->Palette[$PaletteID]["R"];
- $G = $this->Palette[$PaletteID]["G"];
- $B = $this->Palette[$PaletteID]["B"];
- $R3 = -1; $G3 = -1; $B3 = -1;
- $YLast = -1; $XLast = -1;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$YSerieName]) && isset($Data[$Key][$XSerieName]) )
- {
- $X = $Data[$Key][$XSerieName];
- $Y = $Data[$Key][$YSerieName];
- $Y = $this->GArea_Y2 - (($Y-$this->VMin) * $this->DivisionRatio);
- $X = $this->GArea_X1 + (($X-$this->VXMin) * $this->XDivisionRatio);
- if ( $Shadow )
- {
- if ( $R3 !=-1 && $G3 !=-1 && $B3 !=-1 )
- $this->drawFilledCircle($X+2,$Y+2,$BigRadius,$R3,$G3,$B3);
- else
- {
- $R3 = $this->Palette[$PaletteID]["R"]-20; if ( $R < 0 ) { $R = 0; }
- $G3 = $this->Palette[$PaletteID]["G"]-20; if ( $G < 0 ) { $G = 0; }
- $B3 = $this->Palette[$PaletteID]["B"]-20; if ( $B < 0 ) { $B = 0; }
- $this->drawFilledCircle($X+2,$Y+2,$BigRadius,$R3,$G3,$B3);
- }
- }
- $this->drawFilledCircle($X+1,$Y+1,$BigRadius,$R,$G,$B);
- if ( $R2 !=-1 && $G2 !=-1 && $B2 !=-1 )
- $this->drawFilledCircle($X+1,$Y+1,$SmallRadius,$R2,$G2,$B2);
- else
- {
- $R2 = $this->Palette[$PaletteID]["R"]+20; if ( $R > 255 ) { $R = 255; }
- $G2 = $this->Palette[$PaletteID]["G"]+20; if ( $G > 255 ) { $G = 255; }
- $B2 = $this->Palette[$PaletteID]["B"]+20; if ( $B > 255 ) { $B = 255; }
- $this->drawFilledCircle($X+1,$Y+1,$SmallRadius,$R2,$G2,$B2);
- }
- }
- }
- }
- /* This function draw an area between two series */
- function drawArea($Data,$Serie1,$Serie2,$R,$G,$B,$Alpha = 50)
- {
- /* Validate the Data and DataDescription array */
- $this->validateData("drawArea",$Data);
- $LayerWidth = $this->GArea_X2-$this->GArea_X1;
- $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
- $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
- $C_White =$this->AllocateColor($this->Layers[0],255,255,255);
- imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
- imagecolortransparent($this->Layers[0],$C_White);
- $C_Graph =$this->AllocateColor($this->Layers[0],$R,$G,$B);
- $XPos = $this->GAreaXOffset;
- $LastXPos = -1;
- foreach ( $Data as $Key => $Values )
- {
- $Value1 = $Data[$Key][$Serie1];
- $Value2 = $Data[$Key][$Serie2];
- $YPos1 = $LayerHeight - (($Value1-$this->VMin) * $this->DivisionRatio);
- $YPos2 = $LayerHeight - (($Value2-$this->VMin) * $this->DivisionRatio);
- if ( $LastXPos != -1 )
- {
- $Points = "";
- $Points[] = $LastXPos; $Points[] = $LastYPos1;
- $Points[] = $LastXPos; $Points[] = $LastYPos2;
- $Points[] = $XPos; $Points[] = $YPos2;
- $Points[] = $XPos; $Points[] = $YPos1;
- imagefilledpolygon($this->Layers[0],$Points,4,$C_Graph);
- }
- $LastYPos1 = $YPos1;
- $LastYPos2 = $YPos2;
- $LastXPos = $XPos;
- $XPos = $XPos + $this->DivisionWidth;
- }
- imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
- imagedestroy($this->Layers[0]);
- }
- /* This function write the values of the specified series */
- function writeValues($Data,$DataDescription,$Series)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("writeValues",$DataDescription);
- $this->validateData("writeValues",$Data);
- if ( !is_array($Series) ) { $Series = array($Series); }
- foreach($Series as $Key => $Serie)
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $Serie ) { $ColorID = $ID; }; $ID++; }
- $XPos = $this->GArea_X1 + $this->GAreaXOffset;
- $XLast = -1;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$Serie]) && is_numeric($Data[$Key][$Serie]))
- {
- $Value = $Data[$Key][$Serie];
- $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
- $Positions = imagettfbbox($this->FontSize,0,$this->FontName,$Value);
- $Width = $Positions[2] - $Positions[6]; $XOffset = $XPos - ($Width/2);
- $Height = $Positions[3] - $Positions[7]; $YOffset = $YPos - 4;
- $C_TextColor =$this->AllocateColor($this->Picture,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- imagettftext($this->Picture,$this->FontSize,0,$XOffset,$YOffset,$C_TextColor,$this->FontName,$Value);
- }
- $XPos = $XPos + $this->DivisionWidth;
- }
- }
- }
- /* This function draw a line graph */
- function drawLineGraph($Data,$DataDescription,$SerieName="")
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawLineGraph",$DataDescription);
- $this->validateData("drawLineGraph",$Data);
- $GraphID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- if ( $SerieName == "" || $SerieName == $ColName )
- {
- $XPos = $this->GArea_X1 + $this->GAreaXOffset;
- $XLast = -1;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- {
- $Value = $Data[$Key][$ColName];
- $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
- /* Save point into the image map if option activated */
- if ( $this->BuildMap )
- $this->addToImageMap($XPos-3,$YPos-3,$XPos+3,$YPos+3,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Line");
- if (!is_numeric($Value)) { $XLast = -1; }
- if ( $XLast != -1 )
- $this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
- $XLast = $XPos;
- $YLast = $YPos;
- if (!is_numeric($Value)) { $XLast = -1; }
- }
- $XPos = $XPos + $this->DivisionWidth;
- }
- $GraphID++;
- }
- }
- }
- /* This function draw a line graph */
- function drawXYGraph($Data,$DataDescription,$YSerieName,$XSerieName,$PaletteID=0)
- {
- $YLast = -1; $XLast = -1;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$YSerieName]) && isset($Data[$Key][$XSerieName]) )
- {
- $X = $Data[$Key][$XSerieName];
- $Y = $Data[$Key][$YSerieName];
- $Y = $this->GArea_Y2 - (($Y-$this->VMin) * $this->DivisionRatio);
- $X = $this->GArea_X1 + (($X-$this->VXMin) * $this->XDivisionRatio);
- if ($XLast != -1 && $YLast != -1)
- {
- $this->drawLine($XLast,$YLast,$X,$Y,$this->Palette[$PaletteID]["R"],$this->Palette[$PaletteID]["G"],$this->Palette[$PaletteID]["B"],TRUE);
- }
- $XLast = $X;
- $YLast = $Y;
- }
- }
- }
- /* This function draw a cubic curve */
- function drawCubicCurve($Data,$DataDescription,$Accuracy=.1,$SerieName="")
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawCubicCurve",$DataDescription);
- $this->validateData("drawCubicCurve",$Data);
- $GraphID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- if ( $SerieName == "" || $SerieName == $ColName )
- {
- $XIn = ""; $Yin = ""; $Yt = ""; $U = "";
- $XIn[0] = 0; $YIn[0] = 0;
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $Index = 1;
- $XLast = -1; $Missing = "";
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]) )
- {
- $Value = $Data[$Key][$ColName];
- $XIn[$Index] = $Index;
- $YIn[$Index] = $Value;
- if ( !is_numeric($Value) ) { $Missing[$Index] = TRUE; }
- $Index++;
- }
- }
- $Index--;
- $Yt[0] = 0;
- $Yt[1] = 0;
- $U[1] = 0;
- for($i=2;$i<=$Index-1;$i++)
- {
- $Sig = ($XIn[$i] - $XIn[$i-1]) / ($XIn[$i+1] - $XIn[$i-1]);
- $p = $Sig * $Yt[$i-1] + 2;
- $Yt[$i] = ($Sig - 1) / $p;
- $U[$i] = ($YIn[$i+1] - $YIn[$i]) / ($XIn[$i+1] - $XIn[$i]) - ($YIn[$i] - $YIn[$i-1]) / ($XIn[$i] - $XIn[$i-1]);
- $U[$i] = (6 * $U[$i] / ($XIn[$i+1] - $XIn[$i-1]) - $Sig * $U[$i-1]) / $p;
- }
- $qn = 0;
- $un = 0;
- $Yt[$Index] = ($un - $qn * $U[$Index-1]) / ($qn * $Yt[$Index-1] + 1);
- for($k=$Index-1;$k>=1;$k--)
- $Yt[$k] = $Yt[$k] * $Yt[$k+1] + $U[$k];
- $XPos = $this->GArea_X1 + $this->GAreaXOffset;
- for($X=1;$X<=$Index;$X=$X+$Accuracy)
- {
- $klo = 1;
- $khi = $Index;
- $k = $khi - $klo;
- while($k > 1)
- {
- $k = $khi - $klo;
- If ( $XIn[$k] >= $X )
- $khi = $k;
- else
- $klo = $k;
- }
- $klo = $khi - 1;
- $h = $XIn[$khi] - $XIn[$klo];
- $a = ($XIn[$khi] - $X) / $h;
- $b = ($X - $XIn[$klo]) / $h;
- $Value = $a * $YIn[$klo] + $b * $YIn[$khi] + (($a*$a*$a - $a) * $Yt[$klo] + ($b*$b*$b - $b) * $Yt[$khi]) * ($h*$h) / 6;
- $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
- if ( $XLast != -1 && !isset($Missing[floor($X)]) && !isset($Missing[floor($X+1)]) )
- $this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
- $XLast = $XPos;
- $YLast = $YPos;
- $XPos = $XPos + $this->DivisionWidth * $Accuracy;
- }
- // Add potentialy missing values
- $XPos = $XPos - $this->DivisionWidth * $Accuracy;
- if ( $XPos < ($this->GArea_X2 - $this->GAreaXOffset) )
- {
- $YPos = $this->GArea_Y2 - (($YIn[$Index]-$this->VMin) * $this->DivisionRatio);
- $this->drawLine($XLast,$YLast,$this->GArea_X2-$this->GAreaXOffset,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
- }
- $GraphID++;
- }
- }
- }
- /* This function draw a filled cubic curve */
- function drawFilledCubicCurve($Data,$DataDescription,$Accuracy=.1,$Alpha=100,$AroundZero=FALSE)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawFilledCubicCurve",$DataDescription);
- $this->validateData("drawFilledCubicCurve",$Data);
- $LayerWidth = $this->GArea_X2-$this->GArea_X1;
- $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
- $YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);
- if ( $YZero > $LayerHeight ) { $YZero = $LayerHeight; }
- $GraphID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $XIn = ""; $Yin = ""; $Yt = ""; $U = "";
- $XIn[0] = 0; $YIn[0] = 0;
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $Index = 1;
- $XLast = -1; $Missing = "";
- foreach ( $Data as $Key => $Values )
- {
- $Value = $Data[$Key][$ColName];
- $XIn[$Index] = $Index;
- $YIn[$Index] = $Value;
- if ( !is_numeric($Value) ) { $Missing[$Index] = TRUE; }
- $Index++;
- }
- $Index--;
- $Yt[0] = 0;
- $Yt[1] = 0;
- $U[1] = 0;
- for($i=2;$i<=$Index-1;$i++)
- {
- $Sig = ($XIn[$i] - $XIn[$i-1]) / ($XIn[$i+1] - $XIn[$i-1]);
- $p = $Sig * $Yt[$i-1] + 2;
- $Yt[$i] = ($Sig - 1) / $p;
- $U[$i] = ($YIn[$i+1] - $YIn[$i]) / ($XIn[$i+1] - $XIn[$i]) - ($YIn[$i] - $YIn[$i-1]) / ($XIn[$i] - $XIn[$i-1]);
- $U[$i] = (6 * $U[$i] / ($XIn[$i+1] - $XIn[$i-1]) - $Sig * $U[$i-1]) / $p;
- }
- $qn = 0;
- $un = 0;
- $Yt[$Index] = ($un - $qn * $U[$Index-1]) / ($qn * $Yt[$Index-1] + 1);
- for($k=$Index-1;$k>=1;$k--)
- $Yt[$k] = $Yt[$k] * $Yt[$k+1] + $U[$k];
- $Points = "";
- $Points[] = $this->GAreaXOffset;
- $Points[] = $LayerHeight;
- $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
- $C_White =$this->AllocateColor($this->Layers[0],255,255,255);
- imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
- imagecolortransparent($this->Layers[0],$C_White);
- $YLast = NULL;
- $XPos = $this->GAreaXOffset; $PointsCount = 2;
- for($X=1;$X<=$Index;$X=$X+$Accuracy)
- {
- $klo = 1;
- $khi = $Index;
- $k = $khi - $klo;
- while($k > 1)
- {
- $k = $khi - $klo;
- If ( $XIn[$k] >= $X )
- $khi = $k;
- else
- $klo = $k;
- }
- $klo = $khi - 1;
- $h = $XIn[$khi] - $XIn[$klo];
- $a = ($XIn[$khi] - $X) / $h;
- $b = ($X - $XIn[$klo]) / $h;
- $Value = $a * $YIn[$klo] + $b * $YIn[$khi] + (($a*$a*$a - $a) * $Yt[$klo] + ($b*$b*$b - $b) * $Yt[$khi]) * ($h*$h) / 6;
- $YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);
- if ( $YLast != NULL && $AroundZero && !isset($Missing[floor($X)]) && !isset($Missing[floor($X+1)]))
- {
- $aPoints = "";
- $aPoints[] = $XLast;
- $aPoints[] = $YLast;
- $aPoints[] = $XPos;
- $aPoints[] = $YPos;
- $aPoints[] = $XPos;
- $aPoints[] = $YZero;
- $aPoints[] = $XLast;
- $aPoints[] = $YZero;
- $C_Graph =$this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- imagefilledpolygon($this->Layers[0],$aPoints,4,$C_Graph);
- }
- if ( !isset($Missing[floor($X)]) || $YLast == NULL )
- {
- $PointsCount++;
- $Points[] = $XPos;
- $Points[] = $YPos;
- }
- else
- {
- $PointsCount++; $Points[] = $XLast; $Points[] = $LayerHeight;
- }
- $YLast = $YPos; $XLast = $XPos;
- $XPos = $XPos + $this->DivisionWidth * $Accuracy;
- }
- // Add potentialy missing values
- $XPos = $XPos - $this->DivisionWidth * $Accuracy;
- if ( $XPos < ($LayerWidth-$this->GAreaXOffset) )
- {
- $YPos = $LayerHeight - (($YIn[$Index]-$this->VMin) * $this->DivisionRatio);
- if ( $YLast != NULL && $AroundZero )
- {
- $aPoints = "";
- $aPoints[] = $XLast;
- $aPoints[] = $YLast;
- $aPoints[] = $LayerWidth-$this->GAreaXOffset;
- $aPoints[] = $YPos;
- $aPoints[] = $LayerWidth-$this->GAreaXOffset;
- $aPoints[] = $YZero;
- $aPoints[] = $XLast;
- $aPoints[] = $YZero;
- $C_Graph =$this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- imagefilledpolygon($this->Layers[0],$aPoints,4,$C_Graph);
- }
- if ( $YIn[$klo] != "" && $YIn[$khi] != "" || $YLast == NULL )
- {
- $PointsCount++;
- $Points[] = $LayerWidth-$this->GAreaXOffset;
- $Points[] = $YPos;
- }
- }
- $Points[] = $LayerWidth-$this->GAreaXOffset;
- $Points[] = $LayerHeight;
- if ( !$AroundZero )
- {
- $C_Graph =$this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- imagefilledpolygon($this->Layers[0],$Points,$PointsCount,$C_Graph);
- }
- imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
- imagedestroy($this->Layers[0]);
- $this->drawCubicCurve($Data,$DataDescription,$Accuracy,$ColName);
- $GraphID++;
- }
- }
- /* This function draw a filled line graph */
- function drawFilledLineGraph($Data,$DataDescription,$Alpha=100,$AroundZero=FALSE)
- {
- $Empty = -2147483647;
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawFilledLineGraph",$DataDescription);
- $this->validateData("drawFilledLineGraph",$Data);
- $LayerWidth = $this->GArea_X2-$this->GArea_X1;
- $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
- $GraphID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $aPoints = "";
- $aPoints[] = $this->GAreaXOffset;
- $aPoints[] = $LayerHeight;
- $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
- $C_White = $this->AllocateColor($this->Layers[0],255,255,255);
- imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
- imagecolortransparent($this->Layers[0],$C_White);
- $XPos = $this->GAreaXOffset;
- $XLast = -1; $PointsCount = 2;
- $YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);
- if ( $YZero > $LayerHeight ) { $YZero = $LayerHeight; }
- $YLast = $Empty;
- foreach ( $Data as $Key => $Values )
- {
- $Value = $Data[$Key][$ColName];
- $YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);
- /* Save point into the image map if option activated */
- if ( $this->BuildMap )
- $this->addToImageMap($XPos-3,$YPos-3,$XPos+3,$YPos+3,$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"FLine");
- if ( !is_numeric($Value) )
- {
- $PointsCount++;
- $aPoints[] = $XLast;
- $aPoints[] = $LayerHeight;
- $YLast = $Empty;
- }
- else
- {
- $PointsCount++;
- if ( $YLast <> $Empty )
- { $aPoints[] = $XPos; $aPoints[] = $YPos; }
- else
- { $PointsCount++; $aPoints[] = $XPos; $aPoints[] = $LayerHeight; $aPoints[] = $XPos; $aPoints[] = $YPos; }
- if ($YLast <> $Empty && $AroundZero)
- {
- $Points = "";
- $Points[] = $XLast; $Points[] = $YLast;
- $Points[] = $XPos;
- $Points[] = $YPos;
- $Points[] = $XPos;
- $Points[] = $YZero;
- $Points[] = $XLast;
- $Points[] = $YZero;
- $C_Graph = $this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- imagefilledpolygon($this->Layers[0],$Points,4,$C_Graph);
- }
- $YLast = $YPos;
- }
- $XLast = $XPos;
- $XPos = $XPos + $this->DivisionWidth;
- }
- $aPoints[] = $LayerWidth - $this->GAreaXOffset;
- $aPoints[] = $LayerHeight;
- if ( $AroundZero == FALSE )
- {
- $C_Graph = $this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- imagefilledpolygon($this->Layers[0],$aPoints,$PointsCount,$C_Graph);
- }
- imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
- imagedestroy($this->Layers[0]);
- $GraphID++;
- $this->drawLineGraph($Data,$DataDescription,$ColName);
- }
- }
- /* This function draw a bar graph */
- function drawOverlayBarGraph($Data,$DataDescription,$Alpha=50)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawOverlayBarGraph",$DataDescription);
- $this->validateData("drawOverlayBarGraph",$Data);
- $LayerWidth = $this->GArea_X2-$this->GArea_X1;
- $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
- $GraphID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $this->Layers[$GraphID] = imagecreatetruecolor($LayerWidth,$LayerHeight);
- $C_White = $this->AllocateColor($this->Layers[$GraphID],255,255,255);
- $C_Graph = $this->AllocateColor($this->Layers[$GraphID],$this->Palette[$GraphID]["R"],$this->Palette[$GraphID]["G"],$this->Palette[$GraphID]["B"]);
- imagefilledrectangle($this->Layers[$GraphID],0,0,$LayerWidth,$LayerHeight,$C_White);
- imagecolortransparent($this->Layers[$GraphID],$C_White);
- $XWidth = $this->DivisionWidth / 4;
- $XPos = $this->GAreaXOffset;
- $YZero = $LayerHeight - ((0-$this->VMin) * $this->DivisionRatio);
- $XLast = -1; $PointsCount = 2;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]) )
- {
- $Value = $Data[$Key][$ColName];
- if ( is_numeric($Value) )
- {
- $YPos = $LayerHeight - (($Value-$this->VMin) * $this->DivisionRatio);
- imagefilledrectangle($this->Layers[$GraphID],$XPos-$XWidth,$YPos,$XPos+$XWidth,$YZero,$C_Graph);
- $X1 = floor($XPos - $XWidth + $this->GArea_X1); $Y1 = floor($YPos+$this->GArea_Y1) + .2;
- $X2 = floor($XPos + $XWidth + $this->GArea_X1); $Y2 = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);
- if ( $X1 <= $this->GArea_X1 ) { $X1 = $this->GArea_X1 + 1; }
- if ( $X2 >= $this->GArea_X2 ) { $X2 = $this->GArea_X2 - 1; }
- /* Save point into the image map if option activated */
- if ( $this->BuildMap )
- $this->addToImageMap($X1,min($Y1,$Y2),$X2,max($Y1,$Y2),$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"oBar");
- $this->drawLine($X1,$Y1,$X2,$Y1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE);
- }
- }
- $XPos = $XPos + $this->DivisionWidth;
- }
- $GraphID++;
- }
- for($i=0;$i<=($GraphID-1);$i++)
- {
- imagecopymerge($this->Picture,$this->Layers[$i],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
- imagedestroy($this->Layers[$i]);
- }
- }
- /* This function draw a bar graph */
- function drawBarGraph($Data,$DataDescription,$Shadow=FALSE,$Alpha=100)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawBarGraph",$DataDescription);
- $this->validateData("drawBarGraph",$Data);
- $GraphID = 0;
- $Series = count($DataDescription["Values"]);
- $SeriesWidth = $this->DivisionWidth / ($Series+1);
- $SerieXOffset = $this->DivisionWidth / 2 - $SeriesWidth / 2;
- $YZero = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);
- if ( $YZero > $this->GArea_Y2 ) { $YZero = $this->GArea_Y2; }
- $SerieID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $XPos = $this->GArea_X1 + $this->GAreaXOffset - $SerieXOffset + $SeriesWidth * $SerieID;
- $XLast = -1;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- {
- if ( is_numeric($Data[$Key][$ColName]) )
- {
- $Value = $Data[$Key][$ColName];
- $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
- /* Save point into the image map if option activated */
- if ( $this->BuildMap )
- {
- $this->addToImageMap($XPos+1,min($YZero,$YPos),$XPos+$SeriesWidth-1,max($YZero,$YPos),$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"Bar");
- }
- if ( $Shadow && $Alpha == 100 )
- $this->drawRectangle($XPos+1,$YZero,$XPos+$SeriesWidth-1,$YPos,25,25,25,TRUE,$Alpha);
- $this->drawFilledRectangle($XPos+1,$YZero,$XPos+$SeriesWidth-1,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);
- }
- }
- $XPos = $XPos + $this->DivisionWidth;
- }
- $SerieID++;
- }
- }
- /* This function draw a stacked bar graph */
- function drawStackedBarGraph($Data,$DataDescription,$Alpha=50,$Contiguous=FALSE)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawBarGraph",$DataDescription);
- $this->validateData("drawBarGraph",$Data);
- $GraphID = 0;
- $Series = count($DataDescription["Values"]);
- if ( $Contiguous )
- $SeriesWidth = $this->DivisionWidth;
- else
- $SeriesWidth = $this->DivisionWidth * .8;
- $YZero = $this->GArea_Y2 - ((0-$this->VMin) * $this->DivisionRatio);
- if ( $YZero > $this->GArea_Y2 ) { $YZero = $this->GArea_Y2; }
- $SerieID = 0; $LastValue = "";
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $XPos = $this->GArea_X1 + $this->GAreaXOffset - $SeriesWidth / 2;
- $XLast = -1;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- {
- if ( is_numeric($Data[$Key][$ColName]) )
- {
- $Value = $Data[$Key][$ColName];
- if ( isset($LastValue[$Key]) )
- {
- $YPos = $this->GArea_Y2 - ((($Value+$LastValue[$Key])-$this->VMin) * $this->DivisionRatio);
- $YBottom = $this->GArea_Y2 - (($LastValue[$Key]-$this->VMin) * $this->DivisionRatio);
- $LastValue[$Key] += $Value;
- }
- else
- {
- $YPos = $this->GArea_Y2 - (($Value-$this->VMin) * $this->DivisionRatio);
- $YBottom = $YZero;
- $LastValue[$Key] = $Value;
- }
- /* Save point into the image map if option activated */
- if ( $this->BuildMap )
- $this->addToImageMap($XPos+1,min($YBottom,$YPos),$XPos+$SeriesWidth-1,max($YBottom,$YPos),$DataDescription["Description"][$ColName],$Data[$Key][$ColName].$DataDescription["Unit"]["Y"],"sBar");
- $this->drawFilledRectangle($XPos+1,$YBottom,$XPos+$SeriesWidth-1,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"],TRUE,$Alpha);
- }
- }
- $XPos = $XPos + $this->DivisionWidth;
- }
- $SerieID++;
- }
- }
- /* This function draw a limits bar graphs */
- function drawLimitsGraph($Data,$DataDescription,$R=0,$G=0,$B=0)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawLimitsGraph",$DataDescription);
- $this->validateData("drawLimitsGraph",$Data);
- $XWidth = $this->DivisionWidth / 4;
- $XPos = $this->GArea_X1 + $this->GAreaXOffset;
- foreach ( $Data as $Key => $Values )
- {
- $Min = $Data[$Key][$DataDescription["Values"][0]];
- $Max = $Data[$Key][$DataDescription["Values"][0]];
- $GraphID = 0; $MaxID = 0; $MinID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- if ( isset($Data[$Key][$ColName]) )
- {
- if ( $Data[$Key][$ColName] > $Max && is_numeric($Data[$Key][$ColName]))
- { $Max = $Data[$Key][$ColName]; $MaxID = $GraphID; }
- }
- if ( isset($Data[$Key][$ColName]) && is_numeric($Data[$Key][$ColName]))
- {
- if ( $Data[$Key][$ColName] < $Min )
- { $Min = $Data[$Key][$ColName]; $MinID = $GraphID; }
- $GraphID++;
- }
- }
- $YPos = $this->GArea_Y2 - (($Max-$this->VMin) * $this->DivisionRatio);
- $X1 = floor($XPos - $XWidth); $Y1 = floor($YPos) - .2;
- $X2 = floor($XPos + $XWidth);
- if ( $X1 <= $this->GArea_X1 ) { $X1 = $this->GArea_X1 + 1; }
- if ( $X2 >= $this->GArea_X2 ) { $X2 = $this->GArea_X2 - 1; }
- $YPos = $this->GArea_Y2 - (($Min-$this->VMin) * $this->DivisionRatio);
- $Y2 = floor($YPos) + .2;
- $this->drawLine(floor($XPos)-.2,$Y1+1,floor($XPos)-.2,$Y2-1,$R,$G,$B,TRUE);
- $this->drawLine(floor($XPos)+.2,$Y1+1,floor($XPos)+.2,$Y2-1,$R,$G,$B,TRUE);
- $this->drawLine($X1,$Y1,$X2,$Y1,$this->Palette[$MaxID]["R"],$this->Palette[$MaxID]["G"],$this->Palette[$MaxID]["B"],FALSE);
- $this->drawLine($X1,$Y2,$X2,$Y2,$this->Palette[$MinID]["R"],$this->Palette[$MinID]["G"],$this->Palette[$MinID]["B"],FALSE);
- $XPos = $XPos + $this->DivisionWidth;
- }
- }
- /* This function draw radar axis centered on the graph area */
- function drawRadarAxis($Data,$DataDescription,$Mosaic=TRUE,$BorderOffset=10,$A_R=60,$A_G=60,$A_B=60,$S_R=200,$S_G=200,$S_B=200,$MaxValue=-1)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawRadarAxis",$DataDescription);
- $this->validateData("drawRadarAxis",$Data);
- $C_TextColor = $this->AllocateColor($this->Picture,$A_R,$A_G,$A_B);
- /* Draw radar axis */
- $Points = count($Data);
- $Radius = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;
- $XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2 + $this->GArea_X1;
- $YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 + $this->GArea_Y1;
- /* Search for the max value */
- if ( $MaxValue == -1 )
- {
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- if ( $Data[$Key][$ColName] > $MaxValue ) { $MaxValue = $Data[$Key][$ColName]; }
- }
- }
- }
- /* Draw the mosaic */
- if ( $Mosaic )
- {
- $RadiusScale = $Radius / $MaxValue;
- for ( $t=1; $t<=$MaxValue-1; $t++)
- {
- $TRadius = $RadiusScale * $t;
- $LastX1 = -1;
- for ( $i=0; $i<=$Points; $i++)
- {
- $Angle = -90 + $i * 360/$Points;
- $X1 = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;
- $Y1 = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;
- $X2 = cos($Angle * 3.1418 / 180 ) * ($TRadius+$RadiusScale) + $XCenter;
- $Y2 = sin($Angle * 3.1418 / 180 ) * ($TRadius+$RadiusScale) + $YCenter;
- if ( $t % 2 == 1 && $LastX1 != -1)
- {
- $Plots = "";
- $Plots[] = $X1; $Plots[] = $Y1;
- $Plots[] = $X2; $Plots[] = $Y2;
- $Plots[] = $LastX2; $Plots[] = $LastY2;
- $Plots[] = $LastX1; $Plots[] = $LastY1;
- $C_Graph = $this->AllocateColor($this->Picture,250,250,250);
- imagefilledpolygon($this->Picture,$Plots,(count($Plots)+1)/2,$C_Graph);
- }
- $LastX1 = $X1; $LastY1= $Y1;
- $LastX2 = $X2; $LastY2= $Y2;
- }
- }
- }
- /* Draw the spider web */
- for ( $t=1; $t<=$MaxValue; $t++)
- {
- $TRadius = ( $Radius / $MaxValue ) * $t;
- $LastX = -1;
- for ( $i=0; $i<=$Points; $i++)
- {
- $Angle = -90 + $i * 360/$Points;
- $X = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;
- $Y = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;
- if ( $LastX != -1 )
- $this->drawDottedLine($LastX,$LastY,$X,$Y,4,$S_R,$S_G,$S_B);
- $LastX = $X; $LastY= $Y;
- }
- }
- /* Draw the axis */
- for ( $i=0; $i<=$Points; $i++)
- {
- $Angle = -90 + $i * 360/$Points;
- $X = cos($Angle * 3.1418 / 180 ) * $Radius + $XCenter;
- $Y = sin($Angle * 3.1418 / 180 ) * $Radius + $YCenter;
- $this->drawLine($XCenter,$YCenter,$X,$Y,$A_R,$A_G,$A_B);
- $XOffset = 0; $YOffset = 0;
- if (isset($Data[$i][$DataDescription["Position"]]))
- {
- $Label = $Data[$i][$DataDescription["Position"]];
- $Positions = imagettfbbox($this->FontSize,0,$this->FontName,$Label);
- $Width = $Positions[2] - $Positions[6];
- $Height = $Positions[3] - $Positions[7];
- if ( $Angle >= 0 && $Angle <= 90 )
- $YOffset = $Height;
- if ( $Angle > 90 && $Angle <= 180 )
- { $YOffset = $Height; $XOffset = -$Width; }
- if ( $Angle > 180 && $Angle <= 270 )
- { $XOffset = -$Width; }
- imagettftext($this->Picture,$this->FontSize,0,$X+$XOffset,$Y+$YOffset,$C_TextColor,$this->FontName,$Label);
- }
- }
- /* Write the values */
- for ( $t=1; $t<=$MaxValue; $t++)
- {
- $TRadius = ( $Radius / $MaxValue ) * $t;
- $Angle = -90 + 360 / $Points;
- $X1 = $XCenter;
- $Y1 = $YCenter - $TRadius;
- $X2 = cos($Angle * 3.1418 / 180 ) * $TRadius + $XCenter;
- $Y2 = sin($Angle * 3.1418 / 180 ) * $TRadius + $YCenter;
- $XPos = floor(($X2-$X1)/2) + $X1;
- $YPos = floor(($Y2-$Y1)/2) + $Y1;
- $Positions = imagettfbbox($this->FontSize,0,$this->FontName,$t);
- $X = $XPos - ( $X+$Positions[2] - $X+$Positions[6] ) / 2;
- $Y = $YPos + $this->FontSize;
- $this->drawFilledRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,240,240,240);
- $this->drawRoundedRectangle($X+$Positions[6]-2,$Y+$Positions[7]-1,$X+$Positions[2]+4,$Y+$Positions[3]+1,2,220,220,220);
- imagettftext($this->Picture,$this->FontSize,0,$X,$Y,$C_TextColor,$this->FontName,$t);
- }
- }
- /* This function draw a radar graph centered on the graph area */
- function drawRadar($Data,$DataDescription,$BorderOffset=10,$MaxValue=-1)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawRadar",$DataDescription);
- $this->validateData("drawRadar",$Data);
- $Points = count($Data);
- $Radius = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;
- $XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2 + $this->GArea_X1;
- $YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 + $this->GArea_Y1;
- /* Search for the max value */
- if ( $MaxValue == -1 )
- {
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- if ( $Data[$Key][$ColName] > $MaxValue ) { $MaxValue = $Data[$Key][$ColName]; }
- }
- }
- }
- $GraphID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $Angle = -90;
- $XLast = -1;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- {
- $Value = $Data[$Key][$ColName];
- $Strength = ( $Radius / $MaxValue ) * $Value;
- $XPos = cos($Angle * 3.1418 / 180 ) * $Strength + $XCenter;
- $YPos = sin($Angle * 3.1418 / 180 ) * $Strength + $YCenter;
- if ( $XLast != -1 )
- $this->drawLine($XLast,$YLast,$XPos,$YPos,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- if ( $XLast == -1 )
- { $FirstX = $XPos; $FirstY = $YPos; }
- $Angle = $Angle + (360/$Points);
- $XLast = $XPos;
- $YLast = $YPos;
- }
- }
- $this->drawLine($XPos,$YPos,$FirstX,$FirstY,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- $GraphID++;
- }
- }
- /* This function draw a radar graph centered on the graph area */
- function drawFilledRadar($Data,$DataDescription,$Alpha=50,$BorderOffset=10,$MaxValue=-1)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawFilledRadar",$DataDescription);
- $this->validateData("drawFilledRadar",$Data);
- $Points = count($Data);
- $LayerWidth = $this->GArea_X2-$this->GArea_X1;
- $LayerHeight = $this->GArea_Y2-$this->GArea_Y1;
- $Radius = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2 - $BorderOffset;
- $XCenter = ( $this->GArea_X2 - $this->GArea_X1 ) / 2;
- $YCenter = ( $this->GArea_Y2 - $this->GArea_Y1 ) / 2;
- /* Search for the max value */
- if ( $MaxValue == -1 )
- {
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- if ( $Data[$Key][$ColName] > $MaxValue && is_numeric($Data[$Key][$ColName])) { $MaxValue = $Data[$Key][$ColName]; }
- }
- }
- }
- $GraphID = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- $ID = 0;
- foreach ( $DataDescription["Description"] as $keyI => $ValueI )
- { if ( $keyI == $ColName ) { $ColorID = $ID; }; $ID++; }
- $Angle = -90;
- $XLast = -1;
- $Plots = "";
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- {
- $Value = $Data[$Key][$ColName];
- if ( !is_numeric($Value) ) { $Value = 0; }
- $Strength = ( $Radius / $MaxValue ) * $Value;
- $XPos = cos($Angle * 3.1418 / 180 ) * $Strength + $XCenter;
- $YPos = sin($Angle * 3.1418 / 180 ) * $Strength + $YCenter;
- $Plots[] = $XPos;
- $Plots[] = $YPos;
- $Angle = $Angle + (360/$Points);
- $XLast = $XPos;
- $YLast = $YPos;
- }
- }
- if (isset($Plots[0]))
- {
- $Plots[] = $Plots[0];
- $Plots[] = $Plots[1];
- $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
- $C_White = $this->AllocateColor($this->Layers[0],255,255,255);
- imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
- imagecolortransparent($this->Layers[0],$C_White);
- $C_Graph = $this->AllocateColor($this->Layers[0],$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- imagefilledpolygon($this->Layers[0],$Plots,(count($Plots)+1)/2,$C_Graph);
- imagecopymerge($this->Picture,$this->Layers[0],$this->GArea_X1,$this->GArea_Y1,0,0,$LayerWidth,$LayerHeight,$Alpha);
- imagedestroy($this->Layers[0]);
- for($i=0;$i<=count($Plots)-4;$i=$i+2)
- $this->drawLine($Plots[$i]+$this->GArea_X1,$Plots[$i+1]+$this->GArea_Y1,$Plots[$i+2]+$this->GArea_X1,$Plots[$i+3]+$this->GArea_Y1,$this->Palette[$ColorID]["R"],$this->Palette[$ColorID]["G"],$this->Palette[$ColorID]["B"]);
- }
- $GraphID++;
- }
- }
- /* This function draw a flat pie chart */
- function drawBasicPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$R=255,$G=255,$B=255,$Decimals=0)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawBasicPieGraph",$DataDescription,FALSE);
- $this->validateData("drawBasicPieGraph",$Data);
- /* Determine pie sum */
- $Series = 0; $PieSum = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- if ( $ColName != $DataDescription["Position"] )
- {
- $Series++;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- $PieSum = $PieSum + $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]];
- }
- }
- }
- /* Validate serie */
- if ( $Series != 1 )
- RaiseFatal("Pie chart can only accept one serie of data.");
- $SpliceRatio = 360 / $PieSum;
- $SplicePercent = 100 / $PieSum;
- /* Calculate all polygons */
- $Angle = 0; $TopPlots = "";
- foreach($iValues as $Key => $Value)
- {
- $TopPlots[$Key][] = $XPos;
- $TopPlots[$Key][] = $YPos;
- /* Process labels position & size */
- $Caption = "";
- if ( !($DrawLabels == PIE_NOLABEL) )
- {
- $TAngle = $Angle+($Value*$SpliceRatio/2);
- if ($DrawLabels == PIE_PERCENTAGE)
- $Caption = (round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
- elseif ($DrawLabels == PIE_LABELS)
- $Caption = $iLabels[$Key];
- elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
- $Caption = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
- elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
- $Caption = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
- $TextWidth = $Position[2]-$Position[0];
- $TextHeight = abs($Position[1])+abs($Position[3]);
- $TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius+10) + $XPos;
- if ( $TAngle > 0 && $TAngle < 180 )
- $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+10) + $YPos + 4;
- else
- $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+4) + $YPos - ($TextHeight/2);
- if ( $TAngle > 90 && $TAngle < 270 )
- $TX = $TX - $TextWidth;
- $C_TextColor = $this->AllocateColor($this->Picture,70,70,70);
- imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);
- }
- /* Process pie slices */
- for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5)
- {
- $TopX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos;
- $TopY = sin($iAngle * 3.1418 / 180 ) * $Radius + $YPos;
- $TopPlots[$Key][] = $TopX;
- $TopPlots[$Key][] = $TopY;
- }
- $TopPlots[$Key][] = $XPos;
- $TopPlots[$Key][] = $YPos;
- $Angle = $iAngle;
- }
- $PolyPlots = $TopPlots;
- /* Set array values type to float --- PHP Bug with imagefilledpolygon casting to integer */
- foreach ($TopPlots as $Key => $Value)
- { foreach ($TopPlots[$Key] as $Key2 => $Value2) { settype($TopPlots[$Key][$Key2],"float"); } }
- /* Draw Top polygons */
- foreach ($PolyPlots as $Key => $Value)
- {
- $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);
- imagefilledpolygon($this->Picture,$PolyPlots[$Key],(count($PolyPlots[$Key])+1)/2,$C_GraphLo);
- }
- $this->drawCircle($XPos-.5,$YPos-.5,$Radius,$R,$G,$B);
- $this->drawCircle($XPos-.5,$YPos-.5,$Radius+.5,$R,$G,$B);
- /* Draw Top polygons */
- foreach ($TopPlots as $Key => $Value)
- {
- for($j=0;$j<=count($TopPlots[$Key])-4;$j=$j+2)
- $this->drawLine($TopPlots[$Key][$j],$TopPlots[$Key][$j+1],$TopPlots[$Key][$j+2],$TopPlots[$Key][$j+3],$R,$G,$B);
- }
- }
- function drawFlatPieGraphWithShadow($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals=0)
- {
- $this->drawFlatPieGraph($Data,$DataDescription,$XPos+$this->ShadowXDistance,$YPos+$this->ShadowYDistance,$Radius,PIE_NOLABEL,$SpliceDistance,$Decimals,TRUE);
- $this->drawFlatPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius,$DrawLabels,$SpliceDistance,$Decimals,FALSE);
- }
- /* This function draw a flat pie chart */
- function drawFlatPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$SpliceDistance=0,$Decimals=0,$AllBlack=FALSE)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawFlatPieGraph",$DataDescription,FALSE);
- $this->validateData("drawFlatPieGraph",$Data);
- $ShadowStatus = $this->ShadowActive ; $this->ShadowActive = FALSE;
- /* Determine pie sum */
- $Series = 0; $PieSum = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- if ( $ColName != $DataDescription["Position"] )
- {
- $Series++;
- foreach ( $Data as $Key => $Values )
- {
- if ( isset($Data[$Key][$ColName]))
- $PieSum = $PieSum + $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]];
- }
- }
- }
- /* Validate serie */
- if ( $Series != 1 )
- {
- RaiseFatal("Pie chart can only accept one serie of data.");
- return(0);
- }
- $SpliceRatio = 360 / $PieSum;
- $SplicePercent = 100 / $PieSum;
- /* Calculate all polygons */
- $Angle = 0; $TopPlots = "";
- foreach($iValues as $Key => $Value)
- {
- $XOffset = cos(($Angle+($Value/2*$SpliceRatio)) * 3.1418 / 180 ) * $SpliceDistance;
- $YOffset = sin(($Angle+($Value/2*$SpliceRatio)) * 3.1418 / 180 ) * $SpliceDistance;
- $TopPlots[$Key][] = round($XPos + $XOffset);
- $TopPlots[$Key][] = round($YPos + $YOffset);
- if ( $AllBlack )
- { $Rc = $this->ShadowRColor; $Gc = $this->ShadowGColor; $Bc = $this->ShadowBColor; }
- else
- { $Rc = $this->Palette[$Key]["R"]; $Gc = $this->Palette[$Key]["G"]; $Bc = $this->Palette[$Key]["B"]; }
- $XLineLast = ""; $YLineLast = "";
- /* Process labels position & size */
- $Caption = "";
- if ( !($DrawLabels == PIE_NOLABEL) )
- {
- $TAngle = $Angle+($Value*$SpliceRatio/2);
- if ($DrawLabels == PIE_PERCENTAGE)
- $Caption = (round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
- elseif ($DrawLabels == PIE_LABELS)
- $Caption = $iLabels[$Key];
- elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
- $Caption = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
- elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
- $Caption = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
- $TextWidth = $Position[2]-$Position[0];
- $TextHeight = abs($Position[1])+abs($Position[3]);
- $TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius+10+$SpliceDistance) + $XPos;
- if ( $TAngle > 0 && $TAngle < 180 )
- $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+10+$SpliceDistance) + $YPos + 4;
- else
- $TY = sin(($TAngle) * 3.1418 / 180 ) * ($Radius+$SpliceDistance+4) + $YPos - ($TextHeight/2);
- if ( $TAngle > 90 && $TAngle < 270 )
- $TX = $TX - $TextWidth;
- $C_TextColor = $this->AllocateColor($this->Picture,70,70,70);
- imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);
- }
- /* Process pie slices */
- if ( !$AllBlack )
- $LineColor = $this->AllocateColor($this->Picture,$Rc,$Gc,$Bc);
- else
- $LineColor = $this->AllocateColor($this->Picture,$Rc,$Gc,$Bc);
- $XLineLast = ""; $YLineLast = "";
- for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5)
- {
- $PosX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos + $XOffset;
- $PosY = sin($iAngle * 3.1418 / 180 ) * $Radius + $YPos + $YOffset;
- $TopPlots[$Key][] = round($PosX); $TopPlots[$Key][] = round($PosY);
- if ( $iAngle == $Angle || $iAngle == $Angle+$Value*$SpliceRatio || $iAngle +.5 > $Angle+$Value*$SpliceRatio)
- $this->drawLine($XPos+$XOffset,$YPos+$YOffset,$PosX,$PosY,$Rc,$Gc,$Bc);
- if ( $XLineLast != "" )
- $this->drawLine($XLineLast,$YLineLast,$PosX,$PosY,$Rc,$Gc,$Bc);
- $XLineLast = $PosX; $YLineLast = $PosY;
- }
- $TopPlots[$Key][] = round($XPos + $XOffset); $TopPlots[$Key][] = round($YPos + $YOffset);
- $Angle = $iAngle;
- }
- $PolyPlots = $TopPlots;
- /* Draw Top polygons */
- foreach ($PolyPlots as $Key => $Value)
- {
- if ( !$AllBlack )
- $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);
- else
- $C_GraphLo = $this->AllocateColor($this->Picture,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor);
- imagefilledpolygon($this->Picture,$PolyPlots[$Key],(count($PolyPlots[$Key])+1)/2,$C_GraphLo);
- }
- $this->ShadowActive = $ShadowStatus;
- }
- /* This function draw a pseudo-3D pie chart */
- function drawPieGraph($Data,$DataDescription,$XPos,$YPos,$Radius=100,$DrawLabels=PIE_NOLABEL,$EnhanceColors=TRUE,$Skew=60,$SpliceHeight=20,$SpliceDistance=0,$Decimals=0)
- {
- /* Validate the Data and DataDescription array */
- $this->validateDataDescription("drawPieGraph",$DataDescription,FALSE);
- $this->validateData("drawPieGraph",$Data);
- /* Determine pie sum */
- $Series = 0; $PieSum = 0; $rPieSum = 0;
- foreach ( $DataDescription["Values"] as $Key2 => $ColName )
- {
- if ( $ColName != $DataDescription["Position"] )
- {
- $Series++;
- foreach ( $Data as $Key => $Values )
- if ( isset($Data[$Key][$ColName]))
- {
- if ( $Data[$Key][$ColName] == 0 )
- { $iValues[] = 0; $rValues[] = 0; $iLabels[] = $Data[$Key][$DataDescription["Position"]]; }
- // Removed : $PieSum++; $rValues[] = 1;
- else
- { $PieSum += $Data[$Key][$ColName]; $iValues[] = $Data[$Key][$ColName]; $iLabels[] = $Data[$Key][$DataDescription["Position"]]; $rValues[] = $Data[$Key][$ColName]; $rPieSum += $Data[$Key][$ColName];}
- }
- }
- }
- /* Validate serie */
- if ( $Series != 1 )
- RaiseFatal("Pie chart can only accept one serie of data.");
- $SpliceDistanceRatio = $SpliceDistance;
- $SkewHeight = ($Radius * $Skew) / 100;
- $SpliceRatio = (360 - $SpliceDistanceRatio * count($iValues) ) / $PieSum;
- $SplicePercent = 100 / $PieSum;
- $rSplicePercent = 100 / $rPieSum;
- /* Calculate all polygons */
- $Angle = 0; $CDev = 5;
- $TopPlots = ""; $BotPlots = "";
- $aTopPlots = ""; $aBotPlots = "";
- foreach($iValues as $Key => $Value)
- {
- $XCenterPos = cos(($Angle-$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $XPos;
- $YCenterPos = sin(($Angle-$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $YPos;
- $XCenterPos2 = cos(($Angle+$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $XPos;
- $YCenterPos2 = sin(($Angle+$CDev+($Value*$SpliceRatio+$SpliceDistanceRatio)/2) * 3.1418 / 180 ) * $SpliceDistance + $YPos;
- $TopPlots[$Key][] = round($XCenterPos); $BotPlots[$Key][] = round($XCenterPos);
- $TopPlots[$Key][] = round($YCenterPos); $BotPlots[$Key][] = round($YCenterPos + $SpliceHeight);
- $aTopPlots[$Key][] = $XCenterPos; $aBotPlots[$Key][] = $XCenterPos;
- $aTopPlots[$Key][] = $YCenterPos; $aBotPlots[$Key][] = $YCenterPos + $SpliceHeight;
- /* Process labels position & size */
- $Caption = "";
- if ( !($DrawLabels == PIE_NOLABEL) )
- {
- $TAngle = $Angle+($Value*$SpliceRatio/2);
- if ($DrawLabels == PIE_PERCENTAGE)
- $Caption = (round($rValues[$Key] * pow(10,$Decimals) * $rSplicePercent)/pow(10,$Decimals))."%";
- elseif ($DrawLabels == PIE_LABELS)
- $Caption = $iLabels[$Key];
- elseif ($DrawLabels == PIE_PERCENTAGE_LABEL)
- $Caption = $iLabels[$Key]."\r\n".(round($Value * pow(10,$Decimals) * $SplicePercent)/pow(10,$Decimals))."%";
- $Position = imageftbbox($this->FontSize,0,$this->FontName,$Caption);
- $TextWidth = $Position[2]-$Position[0];
- $TextHeight = abs($Position[1])+abs($Position[3]);
- $TX = cos(($TAngle) * 3.1418 / 180 ) * ($Radius + 10)+ $XPos;
- if ( $TAngle > 0 && $TAngle < 180 )
- $TY = sin(($TAngle) * 3.1418 / 180 ) * ($SkewHeight + 10) + $YPos + $SpliceHeight + 4;
- else
- $TY = sin(($TAngle) * 3.1418 / 180 ) * ($SkewHeight + 4) + $YPos - ($TextHeight/2);
- if ( $TAngle > 90 && $TAngle < 270 )
- $TX = $TX - $TextWidth;
- $C_TextColor = $this->AllocateColor($this->Picture,70,70,70);
- imagettftext($this->Picture,$this->FontSize,0,$TX,$TY,$C_TextColor,$this->FontName,$Caption);
- }
- /* Process pie slices */
- for($iAngle=$Angle;$iAngle<=$Angle+$Value*$SpliceRatio;$iAngle=$iAngle+.5)
- {
- $TopX = cos($iAngle * 3.1418 / 180 ) * $Radius + $XPos;
- $TopY = sin($iAngle * 3.1418 / 180 ) * $SkewHeight + $YPos;
- $TopPlots[$Key][] = round($TopX); $BotPlots[$Key][] = round($TopX);
- $TopPlots[$Key][] = round($TopY); $BotPlots[$Key][] = round($TopY + $SpliceHeight);
- $aTopPlots[$Key][] = $TopX; $aBotPlots[$Key][] = $TopX;
- $aTopPlots[$Key][] = $TopY; $aBotPlots[$Key][] = $TopY + $SpliceHeight;
- }
- $TopPlots[$Key][] = round($XCenterPos2); $BotPlots[$Key][] = round($XCenterPos2);
- $TopPlots[$Key][] = round($YCenterPos2); $BotPlots[$Key][] = round($YCenterPos2 + $SpliceHeight);
- $aTopPlots[$Key][] = $XCenterPos2; $aBotPlots[$Key][] = $XCenterPos2;
- $aTopPlots[$Key][] = $YCenterPos2; $aBotPlots[$Key][] = $YCenterPos2 + $SpliceHeight;
- $Angle = $iAngle + $SpliceDistanceRatio;
- }
- /* Draw Bottom polygons */
- foreach($iValues as $Key => $Value)
- {
- $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"],-20);
- imagefilledpolygon($this->Picture,$BotPlots[$Key],(count($BotPlots[$Key])+1)/2,$C_GraphLo);
- if ( $EnhanceColors ) { $En = -10; } else { $En = 0; }
- for($j=0;$j<=count($aBotPlots[$Key])-4;$j=$j+2)
- $this->drawLine($aBotPlots[$Key][$j],$aBotPlots[$Key][$j+1],$aBotPlots[$Key][$j+2],$aBotPlots[$Key][$j+3],$this->Palette[$Key]["R"]+$En,$this->Palette[$Key]["G"]+$En,$this->Palette[$Key]["B"]+$En);
- }
- /* Draw pie layers */
- if ( $EnhanceColors ) { $ColorRatio = 30 / $SpliceHeight; } else { $ColorRatio = 25 / $SpliceHeight; }
- for($i=$SpliceHeight-1;$i>=1;$i--)
- {
- foreach($iValues as $Key => $Value)
- {
- $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"],-10);
- $Plots = ""; $Plot = 0;
- foreach($TopPlots[$Key] as $Key2 => $Value2)
- {
- $Plot++;
- if ( $Plot % 2 == 1 )
- $Plots[] = $Value2;
- else
- $Plots[] = $Value2+$i;
- }
- imagefilledpolygon($this->Picture,$Plots,(count($Plots)+1)/2,$C_GraphLo);
- $Index = count($Plots);
- if ($EnhanceColors ) {$ColorFactor = -20 + ($SpliceHeight - $i) * $ColorRatio; } else { $ColorFactor = 0; }
- $this->drawAntialiasPixel($Plots[0],$Plots[1],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);
- $this->drawAntialiasPixel($Plots[2],$Plots[3],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);
- $this->drawAntialiasPixel($Plots[$Index-4],$Plots[$Index-3],$this->Palette[$Key]["R"]+$ColorFactor,$this->Palette[$Key]["G"]+$ColorFactor,$this->Palette[$Key]["B"]+$ColorFactor);
- }
- }
- /* Draw Top polygons */
- for($Key=count($iValues)-1;$Key>=0;$Key--)
- {
- $C_GraphLo = $this->AllocateColor($this->Picture,$this->Palette[$Key]["R"],$this->Palette[$Key]["G"],$this->Palette[$Key]["B"]);
- imagefilledpolygon($this->Picture,$TopPlots[$Key],(count($TopPlots[$Key])+1)/2,$C_GraphLo);
- if ( $EnhanceColors ) { $En = 10; } else { $En = 0; }
- for($j=0;$j<=count($aTopPlots[$Key])-4;$j=$j+2)
- $this->drawLine($aTopPlots[$Key][$j],$aTopPlots[$Key][$j+1],$aTopPlots[$Key][$j+2],$aTopPlots[$Key][$j+3],$this->Palette[$Key]["R"]+$En,$this->Palette[$Key]["G"]+$En,$this->Palette[$Key]["B"]+$En);
- }
- }
- /* This function can be used to set the background color */
- function drawBackground($R,$G,$B)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $C_Background = $this->AllocateColor($this->Picture,$R,$G,$B);
- imagefilledrectangle($this->Picture,0,0,$this->XSize,$this->YSize,$C_Background);
- }
- /* This function can be used to set the background color */
- function drawGraphAreaGradient($R,$G,$B,$Decay,$Target=TARGET_GRAPHAREA)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- if ( $Target == TARGET_GRAPHAREA ) { $X1 = $this->GArea_X1+1; $X2 = $this->GArea_X2-1; $Y1 = $this->GArea_Y1+1; $Y2 = $this->GArea_Y2; }
- if ( $Target == TARGET_BACKGROUND ) { $X1 = 0; $X2 = $this->XSize; $Y1 = 0; $Y2 = $this->YSize; }
- /* Positive gradient */
- if ( $Decay > 0 )
- {
- $YStep = ($Y2 - $Y1 - 2) / $Decay;
- for($i=0;$i<=$Decay;$i++)
- {
- $R-=1;$G-=1;$B-=1;
- $Yi1 = $Y1 + ( $i * $YStep );
- $Yi2 = ceil( $Yi1 + ( $i * $YStep ) + $YStep );
- if ( $Yi2 >= $Yi2 ) { $Yi2 = $Y2-1; }
- $C_Background = $this->AllocateColor($this->Picture,$R,$G,$B);
- imagefilledrectangle($this->Picture,$X1,$Yi1,$X2,$Yi2,$C_Background);
- }
- }
- /* Negative gradient */
- if ( $Decay < 0 )
- {
- $YStep = ($Y2 - $Y1 - 2) / -$Decay;
- $Yi1 = $Y1; $Yi2 = $Y1+$YStep;
- for($i=-$Decay;$i>=0;$i--)
- {
- $R+=1;$G+=1;$B+=1;
- $C_Background = $this->AllocateColor($this->Picture,$R,$G,$B);
- imagefilledrectangle($this->Picture,$X1,$Yi1,$X2,$Yi2,$C_Background);
- $Yi1+= $YStep;
- $Yi2+= $YStep;
- if ( $Yi2 >= $Yi2 ) { $Yi2 = $Y2-1; }
- }
- }
- }
- /* This function create a rectangle with antialias */
- function drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
- $X1=$X1-.2;$Y1=$Y1-.2;
- $X2=$X2+.2;$Y2=$Y2+.2;
- $this->drawLine($X1,$Y1,$X2,$Y1,$R,$G,$B);
- $this->drawLine($X2,$Y1,$X2,$Y2,$R,$G,$B);
- $this->drawLine($X2,$Y2,$X1,$Y2,$R,$G,$B);
- $this->drawLine($X1,$Y2,$X1,$Y1,$R,$G,$B);
- }
- /* This function create a filled rectangle with antialias */
- function drawFilledRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B,$DrawBorder=TRUE,$Alpha=100,$NoFallBack=FALSE)
- {
- if ( $X2 < $X1 ) { list($X1, $X2) = array($X2, $X1); }
- if ( $Y2 < $Y1 ) { list($Y1, $Y2) = array($Y2, $Y1); }
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- if ( $Alpha == 100 )
- {
- /* Process shadows */
- if ( $this->ShadowActive && !$NoFallBack )
- {
- $this->drawFilledRectangle($X1+$this->ShadowXDistance,$Y1+$this->ShadowYDistance,$X2+$this->ShadowXDistance,$Y2+$this->ShadowYDistance,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,FALSE,$this->ShadowAlpha,TRUE);
- if ( $this->ShadowBlur != 0 )
- {
- $AlphaDecay = ($this->ShadowAlpha / $this->ShadowBlur);
- for($i=1; $i<=$this->ShadowBlur; $i++)
- $this->drawFilledRectangle($X1+$this->ShadowXDistance-$i/2,$Y1+$this->ShadowYDistance-$i/2,$X2+$this->ShadowXDistance-$i/2,$Y2+$this->ShadowYDistance-$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,FALSE,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
- for($i=1; $i<=$this->ShadowBlur; $i++)
- $this->drawFilledRectangle($X1+$this->ShadowXDistance+$i/2,$Y1+$this->ShadowYDistance+$i/2,$X2+$this->ShadowXDistance+$i/2,$Y2+$this->ShadowYDistance+$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,FALSE,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
- }
- }
- $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
- imagefilledrectangle($this->Picture,round($X1),round($Y1),round($X2),round($Y2),$C_Rectangle);
- }
- else
- {
- $LayerWidth = abs($X2-$X1)+2;
- $LayerHeight = abs($Y2-$Y1)+2;
- $this->Layers[0] = imagecreatetruecolor($LayerWidth,$LayerHeight);
- $C_White = $this->AllocateColor($this->Layers[0],255,255,255);
- imagefilledrectangle($this->Layers[0],0,0,$LayerWidth,$LayerHeight,$C_White);
- imagecolortransparent($this->Layers[0],$C_White);
- $C_Rectangle = $this->AllocateColor($this->Layers[0],$R,$G,$B);
- imagefilledrectangle($this->Layers[0],round(1),round(1),round($LayerWidth-1),round($LayerHeight-1),$C_Rectangle);
- imagecopymerge($this->Picture,$this->Layers[0],round(min($X1,$X2)-1),round(min($Y1,$Y2)-1),0,0,$LayerWidth,$LayerHeight,$Alpha);
- imagedestroy($this->Layers[0]);
- }
- if ( $DrawBorder )
- {
- $ShadowSettings = $this->ShadowActive; $this->ShadowActive = FALSE;
- $this->drawRectangle($X1,$Y1,$X2,$Y2,$R,$G,$B);
- $this->ShadowActive = $ShadowSettings;
- }
- }
- /* This function create a rectangle with rounded corners and antialias */
- function drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
- $Step = 90 / ((3.1418 * $Radius)/2);
- for($i=0;$i<=90;$i=$i+$Step)
- {
- $X = cos(($i+180)*3.1418/180) * $Radius + $X1 + $Radius;
- $Y = sin(($i+180)*3.1418/180) * $Radius + $Y1 + $Radius;
- $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
- $X = cos(($i-90)*3.1418/180) * $Radius + $X2 - $Radius;
- $Y = sin(($i-90)*3.1418/180) * $Radius + $Y1 + $Radius;
- $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
- $X = cos(($i)*3.1418/180) * $Radius + $X2 - $Radius;
- $Y = sin(($i)*3.1418/180) * $Radius + $Y2 - $Radius;
- $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
- $X = cos(($i+90)*3.1418/180) * $Radius + $X1 + $Radius;
- $Y = sin(($i+90)*3.1418/180) * $Radius + $Y2 - $Radius;
- $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
- }
- $X1=$X1-.2;$Y1=$Y1-.2;
- $X2=$X2+.2;$Y2=$Y2+.2;
- $this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$R,$G,$B);
- $this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$R,$G,$B);
- $this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$R,$G,$B);
- $this->drawLine($X1,$Y2-$Radius,$X1,$Y1+$Radius,$R,$G,$B);
- }
- /* This function create a filled rectangle with rounded corners and antialias */
- function drawFilledRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $C_Rectangle = $this->AllocateColor($this->Picture,$R,$G,$B);
- $Step = 90 / ((3.1418 * $Radius)/2);
- for($i=0;$i<=90;$i=$i+$Step)
- {
- $Xi1 = cos(($i+180)*3.1418/180) * $Radius + $X1 + $Radius;
- $Yi1 = sin(($i+180)*3.1418/180) * $Radius + $Y1 + $Radius;
- $Xi2 = cos(($i-90)*3.1418/180) * $Radius + $X2 - $Radius;
- $Yi2 = sin(($i-90)*3.1418/180) * $Radius + $Y1 + $Radius;
- $Xi3 = cos(($i)*3.1418/180) * $Radius + $X2 - $Radius;
- $Yi3 = sin(($i)*3.1418/180) * $Radius + $Y2 - $Radius;
- $Xi4 = cos(($i+90)*3.1418/180) * $Radius + $X1 + $Radius;
- $Yi4 = sin(($i+90)*3.1418/180) * $Radius + $Y2 - $Radius;
- imageline($this->Picture,$Xi1,$Yi1,$X1+$Radius,$Yi1,$C_Rectangle);
- imageline($this->Picture,$X2-$Radius,$Yi2,$Xi2,$Yi2,$C_Rectangle);
- imageline($this->Picture,$X2-$Radius,$Yi3,$Xi3,$Yi3,$C_Rectangle);
- imageline($this->Picture,$Xi4,$Yi4,$X1+$Radius,$Yi4,$C_Rectangle);
- $this->drawAntialiasPixel($Xi1,$Yi1,$R,$G,$B);
- $this->drawAntialiasPixel($Xi2,$Yi2,$R,$G,$B);
- $this->drawAntialiasPixel($Xi3,$Yi3,$R,$G,$B);
- $this->drawAntialiasPixel($Xi4,$Yi4,$R,$G,$B);
- }
- imagefilledrectangle($this->Picture,$X1,$Y1+$Radius,$X2,$Y2-$Radius,$C_Rectangle);
- imagefilledrectangle($this->Picture,$X1+$Radius,$Y1,$X2-$Radius,$Y2,$C_Rectangle);
- $X1=$X1-.2;$Y1=$Y1-.2;
- $X2=$X2+.2;$Y2=$Y2+.2;
- $this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$R,$G,$B);
- $this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$R,$G,$B);
- $this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$R,$G,$B);
- $this->drawLine($X1,$Y2-$Radius,$X1,$Y1+$Radius,$R,$G,$B);
- }
- /* This function create a circle with antialias */
- function drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
- {
- if ( $Width == 0 ) { $Width = $Height; }
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $C_Circle = $this->AllocateColor($this->Picture,$R,$G,$B);
- $Step = 360 / (2 * 3.1418 * max($Width,$Height));
- for($i=0;$i<=360;$i=$i+$Step)
- {
- $X = cos($i*3.1418/180) * $Height + $Xc;
- $Y = sin($i*3.1418/180) * $Width + $Yc;
- $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
- }
- }
- /* This function create a filled circle/ellipse with antialias */
- function drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width=0)
- {
- if ( $Width == 0 ) { $Width = $Height; }
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $C_Circle = $this->AllocateColor($this->Picture,$R,$G,$B);
- $Step = 360 / (2 * 3.1418 * max($Width,$Height));
- for($i=90;$i<=270;$i=$i+$Step)
- {
- $X1 = cos($i*3.1418/180) * $Height + $Xc;
- $Y1 = sin($i*3.1418/180) * $Width + $Yc;
- $X2 = cos((180-$i)*3.1418/180) * $Height + $Xc;
- $Y2 = sin((180-$i)*3.1418/180) * $Width + $Yc;
- $this->drawAntialiasPixel($X1-1,$Y1-1,$R,$G,$B);
- $this->drawAntialiasPixel($X2-1,$Y2-1,$R,$G,$B);
- if ( ($Y1-1) > $Yc - max($Width,$Height) )
- imageline($this->Picture,$X1,$Y1-1,$X2-1,$Y2-1,$C_Circle);
- }
- }
- /* This function will draw a filled ellipse */
- function drawEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
- { $this->drawCircle($Xc,$Yc,$Height,$R,$G,$B,$Width); }
- /* This function will draw an ellipse */
- function drawFilledEllipse($Xc,$Yc,$Height,$Width,$R,$G,$B)
- { $this->drawFilledCircle($Xc,$Yc,$Height,$R,$G,$B,$Width); }
- /* This function create a line with antialias */
- function drawLine($X1,$Y1,$X2,$Y2,$R,$G,$B,$GraphFunction=FALSE)
- {
- if ( $this->LineDotSize > 1 ) { $this->drawDottedLine($X1,$Y1,$X2,$Y2,$this->LineDotSize,$R,$G,$B,$GraphFunction); return(0); }
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $Distance = sqrt(($X2-$X1)*($X2-$X1)+($Y2-$Y1)*($Y2-$Y1));
- if ( $Distance == 0 )
- return(-1);
- $XStep = ($X2-$X1) / $Distance;
- $YStep = ($Y2-$Y1) / $Distance;
- for($i=0;$i<=$Distance;$i++)
- {
- $X = $i * $XStep + $X1;
- $Y = $i * $YStep + $Y1;
- if ( ($X >= $this->GArea_X1 && $X <= $this->GArea_X2 && $Y >= $this->GArea_Y1 && $Y <= $this->GArea_Y2) || !$GraphFunction )
- {
- if ( $this->LineWidth == 1 )
- $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
- else
- {
- $StartOffset = -($this->LineWidth/2); $EndOffset = ($this->LineWidth/2);
- for($j=$StartOffset;$j<=$EndOffset;$j++)
- $this->drawAntialiasPixel($X+$j,$Y+$j,$R,$G,$B);
- }
- }
- }
- }
- /* This function create a line with antialias */
- function drawDottedLine($X1,$Y1,$X2,$Y2,$DotSize,$R,$G,$B,$GraphFunction=FALSE)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $Distance = sqrt(($X2-$X1)*($X2-$X1)+($Y2-$Y1)*($Y2-$Y1));
- $XStep = ($X2-$X1) / $Distance;
- $YStep = ($Y2-$Y1) / $Distance;
- $DotIndex = 0;
- for($i=0;$i<=$Distance;$i++)
- {
- $X = $i * $XStep + $X1;
- $Y = $i * $YStep + $Y1;
- if ( $DotIndex <= $DotSize)
- {
- if ( ($X >= $this->GArea_X1 && $X <= $this->GArea_X2 && $Y >= $this->GArea_Y1 && $Y <= $this->GArea_Y2) || !$GraphFunction )
- {
- if ( $this->LineWidth == 1 )
- $this->drawAntialiasPixel($X,$Y,$R,$G,$B);
- else
- {
- $StartOffset = -($this->LineWidth/2); $EndOffset = ($this->LineWidth/2);
- for($j=$StartOffset;$j<=$EndOffset;$j++)
- $this->drawAntialiasPixel($X+$j,$Y+$j,$R,$G,$B);
- }
- }
- }
- $DotIndex++;
- if ( $DotIndex == $DotSize * 2 )
- $DotIndex = 0;
- }
- }
- /* Load a PNG file and draw it over the chart */
- function drawFromPNG($FileName,$X,$Y,$Alpha=100)
- { $this->drawFromPicture(1,$FileName,$X,$Y,$Alpha); }
- /* Load a GIF file and draw it over the chart */
- function drawFromGIF($FileName,$X,$Y,$Alpha=100)
- { $this->drawFromPicture(2,$FileName,$X,$Y,$Alpha); }
- /* Load a JPEG file and draw it over the chart */
- function drawFromJPG($FileName,$X,$Y,$Alpha=100)
- { $this->drawFromPicture(3,$FileName,$X,$Y,$Alpha); }
- /* Generic loader function for external pictures */
- function drawFromPicture($PicType,$FileName,$X,$Y,$Alpha=100)
- {
- if ( file_exists($FileName))
- {
- $Infos = getimagesize($FileName);
- $Width = $Infos[0];
- $Height = $Infos[1];
- if ( $PicType == 1 ) { $Raster = imagecreatefrompng($FileName); }
- if ( $PicType == 2 ) { $Raster = imagecreatefromgif($FileName); }
- if ( $PicType == 3 ) { $Raster = imagecreatefromjpeg($FileName); }
- imagecopymerge($this->Picture,$Raster,$X,$Y,0,0,$Width,$Height,$Alpha);
- imagedestroy($Raster);
- }
- }
- /* Draw an alpha pixel */
- function drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B)
- {
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- if ( $X < 0 || $Y < 0 || $X >= $this->XSize || $Y >= $this->YSize )
- return(-1);
- $RGB2 = imagecolorat($this->Picture, $X, $Y);
- $R2 = ($RGB2 >> 16) & 0xFF;
- $G2 = ($RGB2 >> 8) & 0xFF;
- $B2 = $RGB2 & 0xFF;
- $iAlpha = (100 - $Alpha)/100;
- $Alpha = $Alpha / 100;
- $Ra = floor($R*$Alpha+$R2*$iAlpha);
- $Ga = floor($G*$Alpha+$G2*$iAlpha);
- $Ba = floor($B*$Alpha+$B2*$iAlpha);
- $C_Aliased = $this->AllocateColor($this->Picture,$Ra,$Ga,$Ba);
- imagesetpixel($this->Picture,$X,$Y,$C_Aliased);
- }
- /* Color helper */
- function AllocateColor($Picture,$R,$G,$B,$Factor=0)
- {
- $R = $R + $Factor;
- $G = $G + $Factor;
- $B = $B + $Factor;
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- return(imagecolorallocate($Picture,$R,$G,$B));
- }
- /* Add a border to the picture */
- function addBorder($Size=3,$R=0,$G=0,$B=0)
- {
- $Width = $this->XSize+2*$Size;
- $Height = $this->YSize+2*$Size;
- $Resampled = imagecreatetruecolor($Width,$Height);
- $C_Background = $this->AllocateColor($Resampled,$R,$G,$B);
- imagefilledrectangle($Resampled,0,0,$Width,$Height,$C_Background);
- imagecopy($Resampled,$this->Picture,$Size,$Size,0,0,$this->XSize,$this->YSize);
- imagedestroy($this->Picture);
- $this->XSize = $Width;
- $this->YSize = $Height;
- $this->Picture = imagecreatetruecolor($this->XSize,$this->YSize);
- $C_White = $this->AllocateColor($this->Picture,255,255,255);
- imagefilledrectangle($this->Picture,0,0,$this->XSize,$this->YSize,$C_White);
- imagecolortransparent($this->Picture,$C_White);
- imagecopy($this->Picture,$Resampled,0,0,0,0,$this->XSize,$this->YSize);
- }
- /* Render the current picture to a file */
- function Render($FileName)
- {
- if ( $this->ErrorReporting )
- $this->printErrors($this->ErrorInterface);
- /* Save image map if requested */
- if ( $this->BuildMap )
- $this->SaveImageMap();
- imagepng($this->Picture,$FileName);
- }
- /* Render the current picture to STDOUT */
- function Stroke()
- {
- if ( $this->ErrorReporting )
- $this->printErrors("GD");
- /* Save image map if requested */
- if ( $this->BuildMap )
- $this->SaveImageMap();
- header('Content-type: image/png');
- imagepng($this->Picture);
- }
- /* Private functions for internal processing */
- function drawAntialiasPixel($X,$Y,$R,$G,$B,$Alpha=100,$NoFallBack=FALSE)
- {
- /* Process shadows */
- if ( $this->ShadowActive && !$NoFallBack )
- {
- $this->drawAntialiasPixel($X+$this->ShadowXDistance,$Y+$this->ShadowYDistance,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,$this->ShadowAlpha,TRUE);
- if ( $this->ShadowBlur != 0 )
- {
- $AlphaDecay = ($this->ShadowAlpha / $this->ShadowBlur);
- for($i=1; $i<=$this->ShadowBlur; $i++)
- $this->drawAntialiasPixel($X+$this->ShadowXDistance-$i/2,$Y+$this->ShadowYDistance-$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
- for($i=1; $i<=$this->ShadowBlur; $i++)
- $this->drawAntialiasPixel($X+$this->ShadowXDistance+$i/2,$Y+$this->ShadowYDistance+$i/2,$this->ShadowRColor,$this->ShadowGColor,$this->ShadowBColor,$this->ShadowAlpha-$AlphaDecay*$i,TRUE);
- }
- }
- if ( $R < 0 ) { $R = 0; } if ( $R > 255 ) { $R = 255; }
- if ( $G < 0 ) { $G = 0; } if ( $G > 255 ) { $G = 255; }
- if ( $B < 0 ) { $B = 0; } if ( $B > 255 ) { $B = 255; }
- $Plot = "";
- $Xi = floor($X);
- $Yi = floor($Y);
- if ( $Xi == $X && $Yi == $Y)
- {
- if ( $Alpha == 100 )
- {
- $C_Aliased = $this->AllocateColor($this->Picture,$R,$G,$B);
- imagesetpixel($this->Picture,$X,$Y,$C_Aliased);
- }
- else
- $this->drawAlphaPixel($X,$Y,$Alpha,$R,$G,$B);
- }
- else
- {
- $Alpha1 = (((1 - ($X - floor($X))) * (1 - ($Y - floor($Y))) * 100) / 100) * $Alpha;
- if ( $Alpha1 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi,$Yi,$Alpha1,$R,$G,$B); }
- $Alpha2 = ((($X - floor($X)) * (1 - ($Y - floor($Y))) * 100) / 100) * $Alpha;
- if ( $Alpha2 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi+1,$Yi,$Alpha2,$R,$G,$B); }
- $Alpha3 = (((1 - ($X - floor($X))) * ($Y - floor($Y)) * 100) / 100) * $Alpha;
- if ( $Alpha3 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi,$Yi+1,$Alpha3,$R,$G,$B); }
- $Alpha4 = ((($X - floor($X)) * ($Y - floor($Y)) * 100) / 100) * $Alpha;
- if ( $Alpha4 > $this->AntialiasQuality ) { $this->drawAlphaPixel($Xi+1,$Yi+1,$Alpha4,$R,$G,$B); }
- }
- }
- /* Validate data contained in the description array */
- function validateDataDescription($FunctionName,&$DataDescription,$DescriptionRequired=TRUE)
- {
- if (!isset($DataDescription["Position"]))
- {
- $this->Errors[] = "[Warning] ".$FunctionName." - Y Labels are not set.";
- $DataDescription["Position"] = "Name";
- }
- if ( $DescriptionRequired )
- {
- if (!isset($DataDescription["Description"]))
- {
- $this->Errors[] = "[Warning] ".$FunctionName." - Series descriptions are not set.";
- foreach($DataDescription["Values"] as $key => $Value)
- {
- $DataDescription["Description"][$Value] = $Value;
- }
- }
- if (count($DataDescription["Description"]) < count($DataDescription["Values"]))
- {
- $this->Errors[] = "[Warning] ".$FunctionName." - Some series descriptions are not set.";
- foreach($DataDescription["Values"] as $key => $Value)
- {
- if ( !isset($DataDescription["Description"][$Value]))
- $DataDescription["Description"][$Value] = $Value;
- }
- }
- }
- }
- /* Validate data contained in the data array */
- function validateData($FunctionName,&$Data)
- {
- $DataSummary = array();
- foreach($Data as $key => $Values)
- {
- foreach($Values as $key2 => $Value)
- {
- if (!isset($DataSummary[$key2]))
- $DataSummary[$key2] = 1;
- else
- $DataSummary[$key2]++;
- }
- }
- if ( max($DataSummary) == 0 )
- $this->Errors[] = "[Warning] ".$FunctionName." - No data set.";
- foreach($DataSummary as $key => $Value)
- {
- if ($Value < max($DataSummary))
- {
- $this->Errors[] = "[Warning] ".$FunctionName." - Missing data in serie ".$key.".";
- }
- }
- }
- /* Print all error messages on the CLI or graphically */
- function printErrors($Mode="CLI")
- {
- if (count($this->Errors) == 0)
- return(0);
- if ( $Mode == "CLI" )
- {
- foreach($this->Errors as $key => $Value)
- echo $Value."\r\n";
- }
- elseif ( $Mode == "GD" )
- {
- $this->setLineStyle($Width=1);
- $MaxWidth = 0;
- foreach($this->Errors as $key => $Value)
- {
- $Position = imageftbbox($this->ErrorFontSize,0,$this->ErrorFontName,$Value);
- $TextWidth = $Position[2]-$Position[0];
- if ( $TextWidth > $MaxWidth ) { $MaxWidth = $TextWidth; }
- }
- $this->drawFilledRoundedRectangle($this->XSize-($MaxWidth+20),$this->YSize-(20+(($this->ErrorFontSize+4)*count($this->Errors))),$this->XSize-10,$this->YSize-10,6,233,185,185);
- $this->drawRoundedRectangle($this->XSize-($MaxWidth+20),$this->YSize-(20+(($this->ErrorFontSize+4)*count($this->Errors))),$this->XSize-10,$this->YSize-10,6,193,145,145);
- $C_TextColor = $this->AllocateColor($this->Picture,133,85,85);
- $YPos = $this->YSize - (18 + (count($this->Errors)-1) * ($this->ErrorFontSize + 4));
- foreach($this->Errors as $key => $Value)
- {
- imagettftext($this->Picture,$this->ErrorFontSize,0,$this->XSize-($MaxWidth+15),$YPos,$C_TextColor,$this->ErrorFontName,$Value);
- $YPos = $YPos + ($this->ErrorFontSize + 4);
- }
- }
- }
- /* Activate the image map creation process */
- function setImageMap($Mode=TRUE,$GraphID="MyGraph")
- {
- $this->BuildMap = $Mode;
- $this->MapID = $GraphID;
- }
- /* Add a box into the image map */
- function addToImageMap($X1,$Y1,$X2,$Y2,$SerieName,$Value,$CallerFunction)
- {
- if ( $this->MapFunction == NULL || $this->MapFunction == $CallerFunction )
- {
- $this->ImageMap[] = round($X1).",".round($Y1).",".round($X2).",".round($Y2).",".$SerieName.",".$Value;
- $this->MapFunction = $CallerFunction;
- }
- }
- /* Load and cleanup the image map from disk */
- function getImageMap($MapName,$Flush=TRUE)
- {
- /* Strip HTML query strings */
- $Values = $this->tmpFolder.$MapName;
- $Value = split("\?",$Values);
- $FileName = $Value[0];
- if ( file_exists($FileName) )
- {
- $Handle = fopen($FileName, "r");
- $MapContent = fread($Handle, filesize($FileName));
- fclose($Handle);
- echo $MapContent;
- if ( $Flush )
- unlink($FileName);
- exit();
- }
- else
- {
- header("HTTP/1.0 404 Not Found");
- exit();
- }
- }
- /* Save the image map to the disk */
- function SaveImageMap()
- {
- if ( !$this->BuildMap ) { return(-1); }
- if ( $this->ImageMap == NULL )
- {
- $this->Errors[] = "[Warning] SaveImageMap - Image map is empty.";
- return(-1);
- }
- $Handle = fopen($this->tmpFolder.$this->MapID, 'w');
- if ( !$Handle )
- {
- $this->Errors[] = "[Warning] SaveImageMap - Cannot save the image map.";
- return(-1);
- }
- else
- {
- foreach($this->ImageMap as $Key => $Value)
- fwrite($Handle, htmlentities($Value)."\r");
- }
- fclose ($Handle);
- }
- /* Convert seconds to a time format string */
- function ToTime($Value)
- {
- $Hour = floor($Value/3600);
- $Minute = floor(($Value - $Hour*3600)/60);
- $Second = floor($Value - $Hour*3600 - $Minute*60);
- if (strlen($Hour) == 1 ) { $Hour = "0".$Hour; }
- if (strlen($Minute) == 1 ) { $Minute = "0".$Minute; }
- if (strlen($Second) == 1 ) { $Second = "0".$Second; }
- return($Hour.":".$Minute.":".$Second);
- }
- /* Convert to metric system */
- function ToMetric($Value)
- {
- $Go = floor($Value/1000000000);
- $Mo = floor(($Value - $Go*1000000000)/1000000);
- $Ko = floor(($Value - $Go*1000000000 - $Mo*1000000)/1000);
- $o = floor($Value - $Go*1000000000 - $Mo*1000000 - $Ko*1000);
- if ($Go != 0) { return($Go.".".$Mo."g"); }
- if ($Mo != 0) { return($Mo.".".$ko."m"); }
- if ($Ko != 0) { return($Ko.".".$o)."k"; }
- return($o);
- }
- /* Convert to curency */
- function ToCurrency($Value)
- {
- $Go = floor($Value/1000000000);
- $Mo = floor(($Value - $Go*1000000000)/1000000);
- $Ko = floor(($Value - $Go*1000000000 - $Mo*1000000)/1000);
- $o = floor($Value - $Go*1000000000 - $Mo*1000000 - $Ko*1000);
- if ( strlen($o) == 1 ) { $o = "00".$o; }
- if ( strlen($o) == 2 ) { $o = "0".$o; }
- $ResultString = $o;
- if ( $Ko != 0 ) { $ResultString = $Ko.".".$ResultString; }
- if ( $Mo != 0 ) { $ResultString = $Mo.".".$ResultString; }
- if ( $Go != 0 ) { $ResultString = $Go.".".$ResultString; }
- $ResultString = $this->Currency.$ResultString;
- return($ResultString);
- }
- /* Set date format for axis labels */
- function setDateFormat($Format)
- {
- $this->DateFormat = $Format;
- }
- /* Convert TS to a date format string */
- function ToDate($Value)
- {
- return(date($this->DateFormat,$Value));
- }
- /* Check if a number is a full integer (for scaling) */
- function isRealInt($Value)
- {
- if ($Value == floor($Value))
- return(TRUE);
- return(FALSE);
- }
- }
- function RaiseFatal($Message)
- {
- echo "[FATAL] ".$Message."\r\n";
- exit();
- }
- ?>
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