--- a/lib/pChart2.1.0/class/pDraw.class.php +++ b/lib/pChart2.1.0/class/pDraw.class.php @@ -1,1 +1,4960 @@ - +<?php + /* + pDraw - class extension with drawing methods + + Version : 2.1.0 + Made by : Jean-Damien POGOLOTTI + Last Update : 26/01/11 + + This file can be distributed under the license you can find at : + + http://www.pchart.net/license + + You can find the whole class documentation on the pChart web site. + */ + + define("DIRECTION_VERTICAL" , 690001); + define("DIRECTION_HORIZONTAL" , 690002); + + define("SCALE_POS_LEFTRIGHT" , 690101); + define("SCALE_POS_TOPBOTTOM" , 690102); + + define("SCALE_MODE_FLOATING" , 690201); + define("SCALE_MODE_START0" , 690202); + define("SCALE_MODE_ADDALL" , 690203); + define("SCALE_MODE_ADDALL_START0" , 690204); + define("SCALE_MODE_MANUAL" , 690205); + + define("SCALE_SKIP_NONE" , 690301); + define("SCALE_SKIP_SAME" , 690302); + define("SCALE_SKIP_NUMBERS" , 690303); + + define("TEXT_ALIGN_TOPLEFT" , 690401); + define("TEXT_ALIGN_TOPMIDDLE" , 690402); + define("TEXT_ALIGN_TOPRIGHT" , 690403); + define("TEXT_ALIGN_MIDDLELEFT" , 690404); + define("TEXT_ALIGN_MIDDLEMIDDLE" , 690405); + define("TEXT_ALIGN_MIDDLERIGHT" , 690406); + define("TEXT_ALIGN_BOTTOMLEFT" , 690407); + define("TEXT_ALIGN_BOTTOMMIDDLE" , 690408); + define("TEXT_ALIGN_BOTTOMRIGHT" , 690409); + + define("POSITION_TOP" , 690501); + define("POSITION_BOTTOM" , 690502); + + define("LABEL_POS_LEFT" , 690601); + define("LABEL_POS_CENTER" , 690602); + define("LABEL_POS_RIGHT" , 690603); + define("LABEL_POS_TOP" , 690604); + define("LABEL_POS_BOTTOM" , 690605); + define("LABEL_POS_INSIDE" , 690606); + define("LABEL_POS_OUTSIDE" , 690607); + + define("ORIENTATION_HORIZONTAL" , 690701); + define("ORIENTATION_VERTICAL" , 690702); + + define("LEGEND_NOBORDER" , 690800); + define("LEGEND_BOX" , 690801); + define("LEGEND_ROUND" , 690802); + + define("LEGEND_VERTICAL" , 690901); + define("LEGEND_HORIZONTAL" , 690902); + + define("LEGEND_FAMILY_BOX" , 691051); + define("LEGEND_FAMILY_CIRCLE" , 691052); + define("LEGEND_FAMILY_LINE" , 691053); + + define("DISPLAY_AUTO" , 691001); + define("DISPLAY_MANUAL" , 691002); + + define("LABELING_ALL" , 691011); + define("LABELING_DIFFERENT" , 691012); + + define("BOUND_MIN" , 691021); + define("BOUND_MAX" , 691022); + define("BOUND_BOTH" , 691023); + + define("BOUND_LABEL_POS_TOP" , 691031); + define("BOUND_LABEL_POS_BOTTOM" , 691032); + define("BOUND_LABEL_POS_AUTO" , 691033); + + define("CAPTION_LEFT_TOP" , 691041); + define("CAPTION_RIGHT_BOTTOM" , 691042); + + define("GRADIENT_SIMPLE" , 691051); + define("GRADIENT_EFFECT_CAN" , 691052); + + define("PI" , 3.14159265); + define("ALL" , 69); + define("NONE" , 31); + define("AUTO" , 690000); + define("OUT_OF_SIGHT" , -10000000000000); + + class pDraw + { + /* Returns the number of drawable series */ + function countDrawableSeries() + { + $Results = 0; + $Data = $this->DataSet->getData(); + + foreach($Data["Series"] as $SerieName => $Serie) + { if ( $Serie["isDrawable"] == TRUE && $SerieName != $Data["Abscissa"] ) { $Results++; } } + + return($Results); + } + + /* Fix box coordinates */ + function fixBoxCoordinates($Xa,$Ya,$Xb,$Yb) + { + $X1 = min($Xa,$Xb); $Y1 = min($Ya,$Yb); + $X2 = max($Xa,$Xb); $Y2 = max($Ya,$Yb); + + return(array($X1,$Y1,$X2,$Y2)); + } + + /* Draw a polygon */ + function drawPolygon($Points,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $NoBorder = isset($Format["NoBorder"]) ? $Format["NoBorder"] : FALSE; + $BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : $R; + $BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : $G; + $BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : $B; + $BorderAlpha = isset($Format["Alpha"]) ? $Format["Alpha"] : $Alpha / 2; + $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL; + $SkipX = isset($Format["SkipX"]) ? $Format["SkipX"] : OUT_OF_SIGHT; + $SkipY = isset($Format["SkipY"]) ? $Format["SkipY"] : OUT_OF_SIGHT; + + /* Calling the ImageFilledPolygon() function over the $Points array will round it */ + $Backup = $Points; + + if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; } + + if ( $SkipX != OUT_OF_SIGHT ) { $SkipX = floor($SkipX); } + if ( $SkipY != OUT_OF_SIGHT ) { $SkipY = floor($SkipY); } + + $RestoreShadow = $this->Shadow; + if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 ) + { + $this->Shadow = FALSE; + for($i=0;$i<=count($Points)-1;$i=$i+2) + { $Shadow[] = $Points[$i] + $this->ShadowX; $Shadow[] = $Points[$i+1] + $this->ShadowY; } + $this->drawPolygon($Shadow,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa,"NoBorder"=>TRUE)); + } + + $FillColor = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha); + + if ( count($Points) >= 6 ) + { ImageFilledPolygon($this->Picture,$Points,count($Points)/2,$FillColor); } + + if ( !$NoBorder ) + { + $Points = $Backup; + + $BorderSettings = array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$BorderAlpha); + for($i=0;$i<=count($Points)-1;$i=$i+2) + { + if ( isset($Points[$i+2]) ) + { + if ( !($Points[$i] == $Points[$i+2] && $Points[$i] == $SkipX ) && !($Points[$i+1] == $Points[$i+3] && $Points[$i+1] == $SkipY ) ) + $this->drawLine($Points[$i],$Points[$i+1],$Points[$i+2],$Points[$i+3],$BorderSettings); + } + else + { + if ( !($Points[$i] == $Points[0] && $Points[$i] == $SkipX ) && !($Points[$i+1] == $Points[1] && $Points[$i+1] == $SkipY ) ) + $this->drawLine($Points[$i],$Points[$i+1],$Points[0],$Points[1],$BorderSettings); + } + } + } + + $this->Shadow = $RestoreShadow; + } + + /* Apply AALias correction to the rounded box boundaries */ + function offsetCorrection($Value,$Mode) + { + $Value = round($Value,1); + + if ( $Value == 0 && $Mode == 1 ) { return(.9); } + if ( $Value == 0 ) { return(0); } + + if ( $Mode == 1) + { if ( $Value == 1 ) { return(.9); }; if ( $Value == .1 ) { return(.9); }; if ( $Value == .2 ) { return(.8); }; if ( $Value == .3 ) { return(.8); }; if ( $Value == .4 ) { return(.7); }; if ( $Value == .5 ) { return(.5); }; if ( $Value == .6 ) { return(.8); }; if ( $Value == .7 ) { return(.7); }; if ( $Value == .8 ) { return(.6); }; if ( $Value == .9 ) { return(.9); }; } + + if ( $Mode == 2) + { if ( $Value == 1 ) { return(.9); }; if ( $Value == .1 ) { return(.1); }; if ( $Value == .2 ) { return(.2); }; if ( $Value == .3 ) { return(.3); }; if ( $Value == .4 ) { return(.4); }; if ( $Value == .5 ) { return(.5); }; if ( $Value == .6 ) { return(.8); }; if ( $Value == .7 ) { return(.7); }; if ( $Value == .8 ) { return(.8); }; if ( $Value == .9 ) { return(.9); }; } + + if ( $Mode == 3) + { if ( $Value == 1 ) { return(.1); }; if ( $Value == .1 ) { return(.1); }; if ( $Value == .2 ) { return(.2); }; if ( $Value == .3 ) { return(.3); }; if ( $Value == .4 ) { return(.4); }; if ( $Value == .5 ) { return(.9); }; if ( $Value == .6 ) { return(.6); }; if ( $Value == .7 ) { return(.7); }; if ( $Value == .8 ) { return(.4); }; if ( $Value == .9 ) { return(.5); }; } + + if ( $Mode == 4) + { if ( $Value == 1 ) { return(-1); }; if ( $Value == .1 ) { return(.1); }; if ( $Value == .2 ) { return(.2); }; if ( $Value == .3 ) { return(.3); }; if ( $Value == .4 ) { return(.1); }; if ( $Value == .5 ) { return(-.1); }; if ( $Value == .6 ) { return(.8); }; if ( $Value == .7 ) { return(.1); }; if ( $Value == .8 ) { return(.1); }; if ( $Value == .9 ) { return(.1); }; } + } + + /* Draw a rectangle with rounded corners */ + function drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + + list($X1,$Y1,$X2,$Y2) = $this->fixBoxCoordinates($X1,$Y1,$X2,$Y2); + + if ( $X2 - $X1 < $Radius ) { $Radius = floor((($X2-$X1))/2); } + if ( $Y2 - $Y1 < $Radius ) { $Radius = floor((($Y2-$Y1))/2); } + + $Color = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"NoBorder"=>TRUE); + + if ( $Radius <= 0 ) { $this->drawRectangle($X1,$Y1,$X2,$Y2,$Color); return(0); } + + if ( $this->Antialias ) + { + $this->drawLine($X1+$Radius,$Y1,$X2-$Radius,$Y1,$Color); + $this->drawLine($X2,$Y1+$Radius,$X2,$Y2-$Radius,$Color); + $this->drawLine($X2-$Radius,$Y2,$X1+$Radius,$Y2,$Color); + $this->drawLine($X1,$Y1+$Radius,$X1,$Y2-$Radius,$Color); + } + else + { + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha); + imageline($this->Picture,$X1+$Radius,$Y1,$X2-$Radius,$Y1,$Color); + imageline($this->Picture,$X2,$Y1+$Radius,$X2,$Y2-$Radius,$Color); + imageline($this->Picture,$X2-$Radius,$Y2,$X1+$Radius,$Y2,$Color); + imageline($this->Picture,$X1,$Y1+$Radius,$X1,$Y2-$Radius,$Color); + } + + $Step = 360 / (2 * PI * $Radius); + for($i=0;$i<=90;$i=$i+$Step) + { + $X = cos(($i+180)*PI/180) * $Radius + $X1 + $Radius; + $Y = sin(($i+180)*PI/180) * $Radius + $Y1 + $Radius; + $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha)); + + $X = cos(($i+90)*PI/180) * $Radius + $X1 + $Radius; + $Y = sin(($i+90)*PI/180) * $Radius + $Y2 - $Radius; + $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha)); + + $X = cos($i*PI/180) * $Radius + $X2 - $Radius; + $Y = sin($i*PI/180) * $Radius + $Y2 - $Radius; + $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha)); + + $X = cos(($i+270)*PI/180) * $Radius + $X2 - $Radius; + $Y = sin(($i+270)*PI/180) * $Radius + $Y1 + $Radius; + $this->drawAntialiasPixel($X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha)); + } + } + + /* Draw a rectangle with rounded corners */ + function drawRoundedFilledRectangle($X1,$Y1,$X2,$Y2,$Radius,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : -1; + $BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : -1; + $BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : -1; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL; + + if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; } + if ( $BorderR == -1 ) { $BorderR = $R; $BorderG = $G; $BorderB = $B; } + + list($X1,$Y1,$X2,$Y2) = $this->fixBoxCoordinates($X1,$Y1,$X2,$Y2); + + if ( $X2 - $X1 < $Radius ) { $Radius = floor((($X2-$X1))/2); } + if ( $Y2 - $Y1 < $Radius ) { $Radius = floor((($Y2-$Y1))/2); } + + $RestoreShadow = $this->Shadow; + if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 ) + { + $this->Shadow = FALSE; + $this->drawRoundedFilledRectangle($X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,$Radius,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa)); + } + + $Color = array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"NoBorder"=>TRUE); + + if ( $Radius <= 0 ) { $this->drawFilledRectangle($X1,$Y1,$X2,$Y2,$Color); return(0); } + + $YTop = $Y1+$Radius; + $YBottom = $Y2-$Radius; + + $Step = 360 / (2 * PI * $Radius); + $Positions = ""; $Radius--; $MinY = ""; $MaxY = ""; + for($i=0;$i<=90;$i=$i+$Step) + { + $Xp1 = cos(($i+180)*PI/180) * $Radius + $X1 + $Radius; + $Xp2 = cos(((90-$i)+270)*PI/180) * $Radius + $X2 - $Radius; + $Yp = floor(sin(($i+180)*PI/180) * $Radius + $YTop); + if ( $MinY == "" || $Yp > $MinY ) { $MinY = $Yp; } + + if ( !isset($Positions[$Yp]) ) + { $Positions[$Yp]["X1"] = $Xp1; $Positions[$Yp]["X2"] = $Xp2; } + else + { $Positions[$Yp]["X1"] = min($Positions[$Yp]["X1"],$Xp1); $Positions[$Yp]["X2"] = max($Positions[$Yp]["X2"],$Xp2); } + + $Xp1 = cos(($i+90)*PI/180) * $Radius + $X1 + $Radius; + $Xp2 = cos((90-$i)*PI/180) * $Radius + $X2 - $Radius; + $Yp = floor(sin(($i+90)*PI/180) * $Radius + $YBottom); + if ( $MaxY == "" || $Yp < $MaxY ) { $MaxY = $Yp; } + + if ( !isset($Positions[$Yp]["Bottom"]) ) + { $Positions[$Yp]["X1"] = $Xp1; $Positions[$Yp]["X2"] = $Xp2; } + else + { $Positions[$Yp]["X1"] = min($Positions[$Yp]["X1"],$Xp1); $Positions[$Yp]["X2"] = max($Positions[$Yp]["X2"],$Xp2); } + } + + $ManualColor = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha); + foreach($Positions as $Yp => $Bounds) + { + $X1 = $Bounds["X1"]; $X1Dec = $this->getFirstDecimal($X1); if ( $X1Dec != 0 ) { $X1 = floor($X1)+1; } + $X2 = $Bounds["X2"]; $X2Dec = $this->getFirstDecimal($X2); if ( $X2Dec != 0 ) { $X2 = floor($X2)-1; } + + imageline($this->Picture,$X1,$Yp,$X2,$Yp,$ManualColor); + } + $this->drawFilledRectangle($X1,$MinY+1,floor($X2),$MaxY-1,$Color); + + $Radius++; + $this->drawRoundedRectangle($X1,$Y1,$X2+1,$Y2-1,$Radius,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha)); + + $this->Shadow = $RestoreShadow; + } + + /* Draw a rectangle with rounded corners */ + function drawRoundedFilledRectangle_deprecated($X1,$Y1,$X2,$Y2,$Radius,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : -1; + $BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : -1; + $BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : -1; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL; + + if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; } + if ( $BorderR == -1 ) { $BorderR = $R; $BorderG = $G; $BorderB = $B; } + + list($X1,$Y1,$X2,$Y2) = $this->fixBoxCoordinates($X1,$Y1,$X2,$Y2); + + if ( $X2 - $X1 < $Radius ) { $Radius = floor((($X2-$X1)+2)/2); } + if ( $Y2 - $Y1 < $Radius ) { $Radius = floor((($Y2-$Y1)+2)/2); } + + $RestoreShadow = $this->Shadow; + if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 ) + { + $this->Shadow = FALSE; + $this->drawRoundedFilledRectangle($X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,$Radius,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa)); + } + + if ( $this->getFirstDecimal($X2) >= 5 ) { $XOffset2 = 1; } else { $XOffset2 = 0; } + if ( $this->getFirstDecimal($X1) <= 5 ) { $XOffset1 = 1; } else { $XOffset1 = 0; } + + if ( !$this->Antialias ) { $XOffset1 = 1; $XOffset2 = 1; } + + $YTop = floor($Y1+$Radius); + $YBottom = floor($Y2-$Radius); + + $this->drawFilledRectangle($X1-$XOffset1,$YTop,$X2+$XOffset2,$YBottom,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"NoBorder"=>TRUE)); + + $Step = 360 / (2 * PI * $Radius); + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha); + $Color2 = $this->allocateColor($this->Picture,255,0,0,$Alpha); + $Drawn = ""; + + if ( $Alpha < 100 ) { $Drawn[$YTop] = FALSE; } + if ( $Alpha < 100 ) { $Drawn[$YBottom] = TRUE; } + + for($i=0;$i<=90;$i=$i+$Step) + { + $Xp1 = cos(($i+180)*PI/180) * $Radius + $X1 + $Radius; + $Xp2 = cos(((90-$i)+270)*PI/180) * $Radius + $X2 - $Radius; + $Yp = sin(($i+180)*PI/180) * $Radius + $YTop; + + if ( $this->getFirstDecimal($Xp1) > 5 ) { $XOffset1 = 1; } else { $XOffset1 = 0; } + if ( $this->getFirstDecimal($Xp2) > 5 ) { $XOffset2 = 1; } else { $XOffset2 = 0; } + if ( $this->getFirstDecimal($Yp) > 5 ) { $YOffset = 1; } else { $YOffset = 0; } + + if ( !isset($Drawn[$Yp+$YOffset]) || $Alpha == 100 ) + imageline($this->Picture,$Xp1+$XOffset1,$Yp+$YOffset,$Xp2+$XOffset2,$Yp+$YOffset,$Color); + + $Drawn[$Yp+$YOffset] = $Xp2; + + $Xp1 = cos(($i+90)*PI/180) * $Radius + $X1 + $Radius; + $Xp2 = cos((90-$i)*PI/180) * $Radius + $X2 - $Radius; + $Yp = sin(($i+90)*PI/180) * $Radius + $YBottom; + + if ( $this->getFirstDecimal($Xp1) > 7 ) { $XOffset1 = 1; } else { $XOffset1 = 0; } + if ( $this->getFirstDecimal($Xp2) > 7 ) { $XOffset2 = 1; } else { $XOffset2 = 0; } + if ( $this->getFirstDecimal($Yp) > 5 ) { $YOffset = 1; } else { $YOffset = 0; } + + if ( !isset($Drawn[$Yp+$YOffset]) || $Alpha == 100 ) + imageline($this->Picture,$Xp1+$XOffset1,$Yp+$YOffset,$Xp2+$XOffset2,$Yp+$YOffset,$Color); + + $Drawn[$Yp+$YOffset] = $Xp2; + } + + $this->drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$Alpha)); + + $this->Shadow = $RestoreShadow; + } + + /* Draw a rectangle */ + function drawRectangle($X1,$Y1,$X2,$Y2,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $Ticks = isset($Format["Ticks"]) ? $Format["Ticks"] : NULL; + $NoAngle = isset($Format["NoAngle"]) ? $Format["NoAngle"] : FALSE; + + if ($X1 > $X2) { list($X1, $X2) = array($X2, $X1); } + if ($Y1 > $Y2) { list($Y1, $Y2) = array($Y2, $Y1); } + + if ( $this->Antialias ) + { + if ( $NoAngle ) + { + $this->drawLine($X1+1,$Y1,$X2-1,$Y1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + $this->drawLine($X2,$Y1+1,$X2,$Y2-1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + $this->drawLine($X2-1,$Y2,$X1+1,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + $this->drawLine($X1,$Y1+1,$X1,$Y2-1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + } + else + { + $this->drawLine($X1+1,$Y1,$X2-1,$Y1,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + $this->drawLine($X2,$Y1,$X2,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + $this->drawLine($X2-1,$Y2,$X1+1,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + $this->drawLine($X1,$Y1,$X1,$Y2,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks)); + } + } + else + { + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha); + imagerectangle($this->Picture,$X1,$Y1,$X2,$Y2,$Color); + } + } + + /* Draw a filled rectangle */ + function drawFilledRectangle($X1,$Y1,$X2,$Y2,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : -1; + $BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : -1; + $BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : -1; + $BorderAlpha = isset($Format["BorderAlpha"]) ? $Format["BorderAlpha"] : $Alpha; + $Surrounding = isset($Format["Surrounding"]) ? $Format["Surrounding"] : NULL; + $Ticks = isset($Format["Ticks"]) ? $Format["Ticks"] : NULL; + $NoAngle = isset($Format["NoAngle"]) ? $Format["NoAngle"] : NULL; + $Dash = isset($Format["Dash"]) ? $Format["Dash"] : FALSE; + $DashStep = isset($Format["DashStep"]) ? $Format["DashStep"] : 4; + $DashR = isset($Format["DashR"]) ? $Format["DashR"] : 0; + $DashG = isset($Format["DashG"]) ? $Format["DashG"] : 0; + $DashB = isset($Format["DashB"]) ? $Format["DashB"] : 0; + $NoBorder = isset($Format["NoBorder"]) ? $Format["NoBorder"] : FALSE; + + if ( $Surrounding != NULL ) { $BorderR = $R+$Surrounding; $BorderG = $G+$Surrounding; $BorderB = $B+$Surrounding; } + + if ($X1 > $X2) { list($X1, $X2) = array($X2, $X1); } + if ($Y1 > $Y2) { list($Y1, $Y2) = array($Y2, $Y1); } + + $RestoreShadow = $this->Shadow; + if ( $this->Shadow && $this->ShadowX != 0 && $this->ShadowY != 0 ) + { + $this->Shadow = FALSE; + $this->drawFilledRectangle($X1+$this->ShadowX,$Y1+$this->ShadowY,$X2+$this->ShadowX,$Y2+$this->ShadowY,array("R"=>$this->ShadowR,"G"=>$this->ShadowG,"B"=>$this->ShadowB,"Alpha"=>$this->Shadowa,"Ticks"=>$Ticks,"NoAngle"=>$NoAngle)); + } + + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$Alpha); + if ( $NoAngle ) + { + imagefilledrectangle($this->Picture,ceil($X1)+1,ceil($Y1),floor($X2)-1,floor($Y2),$Color); + imageline($this->Picture,ceil($X1),ceil($Y1)+1,ceil($X1),floor($Y2)-1,$Color); + imageline($this->Picture,floor($X2),ceil($Y1)+1,floor($X2),floor($Y2)-1,$Color); + } + else + imagefilledrectangle($this->Picture,ceil($X1),ceil($Y1),floor($X2),floor($Y2),$Color); + + if ( $Dash ) + { + if ( $BorderR != -1 ) { $iX1=$X1+1; $iY1=$Y1+1; $iX2=$X2-1; $iY2=$Y2-1; } else { $iX1=$X1; $iY1=$Y1; $iX2=$X2; $iY2=$Y2; } + + $Color = $this->allocateColor($this->Picture,$DashR,$DashG,$DashB,$Alpha); + $Y=$iY1-$DashStep; + for($X=$iX1; $X<=$iX2+($iY2-$iY1); $X=$X+$DashStep) + { + $Y=$Y+$DashStep; + if ( $X > $iX2 ) { $Xa = $X-($X-$iX2); $Ya = $iY1+($X-$iX2); } else { $Xa = $X; $Ya = $iY1; } + if ( $Y > $iY2 ) { $Xb = $iX1+($Y-$iY2); $Yb = $Y-($Y-$iY2); } else { $Xb = $iX1; $Yb = $Y; } + imageline($this->Picture,$Xa,$Ya,$Xb,$Yb,$Color); + } + } + + if ( $this->Antialias && !$NoBorder ) + { + if ( $X1 < ceil($X1) ) + { + $AlphaA = $Alpha * (ceil($X1) - $X1); + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA); + imageline($this->Picture,ceil($X1)-1,ceil($Y1),ceil($X1)-1,floor($Y2),$Color); + } + + if ( $Y1 < ceil($Y1) ) + { + $AlphaA = $Alpha * (ceil($Y1) - $Y1); + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA); + imageline($this->Picture,ceil($X1),ceil($Y1)-1,floor($X2),ceil($Y1)-1,$Color); + } + + if ( $X2 > floor($X2) ) + { + $AlphaA = $Alpha * (.5-($X2 - floor($X2))); + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA); + imageline($this->Picture,floor($X2)+1,ceil($Y1),floor($X2)+1,floor($Y2),$Color); + } + + if ( $Y2 > floor($Y2) ) + { + $AlphaA = $Alpha * (.5-($Y2 - floor($Y2))); + $Color = $this->allocateColor($this->Picture,$R,$G,$B,$AlphaA); + imageline($this->Picture,ceil($X1),floor($Y2)+1,floor($X2),floor($Y2)+1,$Color); + } + } + + if ( $BorderR != -1 ) + $this->drawRectangle($X1,$Y1,$X2,$Y2,array("R"=>$BorderR,"G"=>$BorderG,"B"=>$BorderB,"Alpha"=>$BorderAlpha,"Ticks"=>$Ticks,"NoAngle"=>$NoAngle)); + + $this->Shadow = $RestoreShadow; + } + + /* Draw a rectangular marker of the specified size */ + function drawRectangleMarker($X,$Y,$Format="") + { + $Size = isset($Format["Size"]) ? $Format["Size"] : 4; + + $HalfSize = floor($Size/2); + $this->drawFilledRectangle($X-$HalfSize,$Y-$HalfSize,$X+$HalfSize,$Y+$HalfSize,$Format); + } + + /* Drawn a spline based on the bezier function */ + function drawSpline($Coordinates,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $Force = isset($Format["Force"]) ? $Format["Force"] : 30; + $Forces = isset($Format["Forces"]) ? $Format["Forces"] : NULL; + $ShowC = isset($Format["ShowControl"]) ? $Format["ShowControl"] : FALSE; + $Ticks = isset($Format["Ticks"]) ? $Format["Ticks"] : NULL; + $PathOnly = isset($Format["PathOnly"]) ? $Format["PathOnly"] : FALSE; + $Weight = isset($Format["Weight"]) ? $Format["Weight"] : NULL; + + $Cpt = NULL; $Mode = NULL; $Result = ""; + for($i=1;$i<=count($Coordinates)-1;$i++) + { + $X1 = $Coordinates[$i-1][0]; $Y1 = $Coordinates[$i-1][1]; + $X2 = $Coordinates[$i][0]; $Y2 = $Coordinates[$i][1]; + + if ( $Forces != NULL ) { $Force = $Forces[$i]; } + + /* First segment */ + if ( $i == 1 ) + { $Xv1 = $X1; $Yv1 = $Y1; } + else + { + $Angle1 = $this->getAngle($XLast,$YLast,$X1,$Y1); + $Angle2 = $this->getAngle($X1,$Y1,$X2,$Y2); + $XOff = cos($Angle2 * PI / 180) * $Force + $X1; + $YOff = sin($Angle2 * PI / 180) * $Force + $Y1; + + $Xv1 = cos($Angle1 * PI / 180) * $Force + $XOff; + $Yv1 = sin($Angle1 * PI / 180) * $Force + $YOff; + } + + /* Last segment */ + if ( $i == count($Coordinates)-1 ) + { $Xv2 = $X2; $Yv2 = $Y2; } + else + { + $Angle1 = $this->getAngle($X2,$Y2,$Coordinates[$i+1][0],$Coordinates[$i+1][1]); + $Angle2 = $this->getAngle($X1,$Y1,$X2,$Y2); + $XOff = cos(($Angle2+180) * PI / 180) * $Force + $X2; + $YOff = sin(($Angle2+180) * PI / 180) * $Force + $Y2; + + $Xv2 = cos(($Angle1+180) * PI / 180) * $Force + $XOff; + $Yv2 = sin(($Angle1+180) * PI / 180) * $Force + $YOff; + } + + $Path = $this->drawBezier($X1,$Y1,$X2,$Y2,$Xv1,$Yv1,$Xv2,$Yv2,$Format); + if ($PathOnly) { $Result[] = $Path; } + + $XLast = $X1; $YLast = $Y1; + } + + return($Result); + } + + /* Draw a bezier curve with two controls points */ + function drawBezier($X1,$Y1,$X2,$Y2,$Xv1,$Yv1,$Xv2,$Yv2,$Format="") + { + $R = isset($Format["R"]) ? $Format["R"] : 0; + $G = isset($Format["G"]) ? $Format["G"] : 0; + $B = isset($Format["B"]) ? $Format["B"] : 0; + $Alpha = isset($Format["Alpha"]) ? $Format["Alpha"] : 100; + $ShowC = isset($Format["ShowControl"]) ? $Format["ShowControl"] : FALSE; + $Segments = isset($Format["Segments"]) ? $Format["Segments"] : NULL; + $Ticks = isset($Format["Ticks"]) ? $Format["Ticks"] : NULL; + $NoDraw = isset($Format["NoDraw"]) ? $Format["NoDraw"] : FALSE; + $PathOnly = isset($Format["PathOnly"]) ? $Format["PathOnly"] : FALSE; + $Weight = isset($Format["Weight"]) ? $Format["Weight"] : NULL; + $DrawArrow = isset($Format["DrawArrow"]) ? $Format["DrawArrow"] : FALSE; + $ArrowSize = isset($Format["ArrowSize"]) ? $Format["ArrowSize"] : 10; + $ArrowRatio = isset($Format["ArrowRatio"]) ? $Format["ArrowRatio"] : .5; + $ArrowTwoHeads = isset($Format["ArrowTwoHeads"]) ? $Format["ArrowTwoHeads"] : FALSE; + + if ( $Segments == NULL ) + { + $Length = $this->getLength($X1,$Y1,$X2,$Y2); + $Precision = ($Length*125)/1000; + } + else + $Precision = $Segments; + + $P[0]["X"] = $X1; $P[0]["Y"] = $Y1; + $P[1]["X"] = $Xv1; $P[1]["Y"] = $Yv1; + $P[2]["X"] = $Xv2; $P[2]["Y"] = $Yv2; + $P[3]["X"] = $X2; $P[3]["Y"] = $Y2; + + /* Compute the bezier points */ + $Q = ""; $ID = 0; $Path = ""; + for($i=0;$i<=$Precision;$i=$i+1) + { + $u = $i / $Precision; + + $C = ""; + $C[0] = (1 - $u) * (1 - $u) * (1 - $u); + $C[1] = ($u * 3) * (1 - $u) * (1 - $u); + $C[2] = 3 * $u * $u * (1 - $u); + $C[3] = $u * $u * $u; + + for($j=0;$j<=3;$j++) + { + if ( !isset($Q[$ID]) ) { $Q[$ID] = ""; } + if ( !isset($Q[$ID]["X"]) ) { $Q[$ID]["X"] = 0; } + if ( !isset($Q[$ID]["Y"]) ) { $Q[$ID]["Y"] = 0; } + + $Q[$ID]["X"] = $Q[$ID]["X"] + $P[$j]["X"] * $C[$j]; + $Q[$ID]["Y"] = $Q[$ID]["Y"] + $P[$j]["Y"] * $C[$j]; + } + $ID++; + } + $Q[$ID]["X"] = $X2; $Q[$ID]["Y"] = $Y2; + + if ( !$NoDraw ) + { + /* Display the control points */ + if ( $ShowC && !$PathOnly ) + { + $Xv1 = floor($Xv1); $Yv1 = floor($Yv1); $Xv2 = floor($Xv2); $Yv2 = floor($Yv2); + + $this->drawLine($X1,$Y1,$X2,$Y2,array("R"=>0,"G"=>0,"B"=>0,"Alpha"=>30)); + + $MyMarkerSettings = array("R"=>255,"G"=>0,"B"=>0,"BorderR"=>255,"BorderB"=>255,"BorderG"=>255,"Size"=>4); + $this->drawRectangleMarker($Xv1,$Yv1,$MyMarkerSettings); + $this->drawText($Xv1+4,$Yv1,"v1"); + $MyMarkerSettings = array("R"=>0,"G"=>0,"B"=>255,"BorderR"=>255,"BorderB"=>255,"BorderG"=>255,"Size"=>4); + $this->drawRectangleMarker($Xv2,$Yv2,$MyMarkerSettings); + $this->drawText($Xv2+4,$Yv2,"v2"); + } + + /* Draw the bezier */ + $LastX = NULL; $LastY = NULL; $Cpt = NULL; $Mode = NULL; $ArrowS = NULL; + foreach ($Q as $Key => $Point) + { + $X = $Point["X"]; $Y = $Point["Y"]; + + /* Get the first segment */ + if ( $ArrowS == NULL && $LastX != NULL && $LastY != NULL ) + { $ArrowS["X2"] = $LastX; $ArrowS["Y2"] = $LastY; $ArrowS["X1"] = $X; $ArrowS["Y1"] = $Y; } + + if ( $LastX != NULL && $LastY != NULL && !$PathOnly) + list($Cpt,$Mode) = $this->drawLine($LastX,$LastY,$X,$Y,array("R"=>$R,"G"=>$G,"B"=>$B,"Alpha"=>$Alpha,"Ticks"=>$Ticks,"Cpt"=>$Cpt,"Mode"=>$Mode,"Weight"=>$Weight)); + + /* Get the last segment */ + $ArrowE["X1"] = $LastX; $ArrowE["Y1"] = $LastY; $ArrowE["X2"] = $X; $ArrowE["Y2"] = $Y; + + $LastX = $X; $LastY = $Y; + } + + if ( $DrawArrow && !$PathOnly ) + { + $ArrowSettings = array("FillR"=>$R,"FillG"=>$G,"FillB"=>$B,"Alpha"=>$Alpha,"Size"=>$ArrowSize,"Ratio"=>$ArrowRatio); + if ( $ArrowTwoHeads ) +