function pDraw::drawDerivative in Visitors 7
Same name and namespace in other branches
- 7.2 pChart/class/pDraw.class.php \pDraw::drawDerivative()
File
- pChart/
class/ pDraw.class.php, line 5231
Class
Code
function drawDerivative($Format = NULL) {
$Offset = isset($Format["Offset"]) ? $Format["Offset"] : 10;
$SerieSpacing = isset($Format["SerieSpacing"]) ? $Format["SerieSpacing"] : 3;
$DerivativeHeight = isset($Format["DerivativeHeight"]) ? $Format["DerivativeHeight"] : 4;
$ShadedSlopeBox = isset($Format["ShadedSlopeBox"]) ? $Format["ShadedSlopeBox"] : FALSE;
$DrawBackground = isset($Format["DrawBackground"]) ? $Format["DrawBackground"] : TRUE;
$BackgroundR = isset($Format["BackgroundR"]) ? $Format["BackgroundR"] : 255;
$BackgroundG = isset($Format["BackgroundG"]) ? $Format["BackgroundG"] : 255;
$BackgroundB = isset($Format["BackgroundB"]) ? $Format["BackgroundB"] : 255;
$BackgroundAlpha = isset($Format["BackgroundAlpha"]) ? $Format["BackgroundAlpha"] : 20;
$DrawBorder = isset($Format["DrawBorder"]) ? $Format["DrawBorder"] : TRUE;
$BorderR = isset($Format["BorderR"]) ? $Format["BorderR"] : 0;
$BorderG = isset($Format["BorderG"]) ? $Format["BorderG"] : 0;
$BorderB = isset($Format["BorderB"]) ? $Format["BorderB"] : 0;
$BorderAlpha = isset($Format["BorderAlpha"]) ? $Format["BorderAlpha"] : 100;
$Caption = isset($Format["Caption"]) ? $Format["Caption"] : TRUE;
$CaptionHeight = isset($Format["CaptionHeight"]) ? $Format["CaptionHeight"] : 10;
$CaptionWidth = isset($Format["CaptionWidth"]) ? $Format["CaptionWidth"] : 20;
$CaptionMargin = isset($Format["CaptionMargin"]) ? $Format["CaptionMargin"] : 4;
$CaptionLine = isset($Format["CaptionLine"]) ? $Format["CaptionLine"] : FALSE;
$CaptionBox = isset($Format["CaptionBox"]) ? $Format["CaptionBox"] : FALSE;
$CaptionBorderR = isset($Format["CaptionBorderR"]) ? $Format["CaptionBorderR"] : 0;
$CaptionBorderG = isset($Format["CaptionBorderG"]) ? $Format["CaptionBorderG"] : 0;
$CaptionBorderB = isset($Format["CaptionBorderB"]) ? $Format["CaptionBorderB"] : 0;
$CaptionFillR = isset($Format["CaptionFillR"]) ? $Format["CaptionFillR"] : 255;
$CaptionFillG = isset($Format["CaptionFillG"]) ? $Format["CaptionFillG"] : 255;
$CaptionFillB = isset($Format["CaptionFillB"]) ? $Format["CaptionFillB"] : 255;
$CaptionFillAlpha = isset($Format["CaptionFillAlpha"]) ? $Format["CaptionFillAlpha"] : 80;
$PositiveSlopeStartR = isset($Format["PositiveSlopeStartR"]) ? $Format["PositiveSlopeStartR"] : 184;
$PositiveSlopeStartG = isset($Format["PositiveSlopeStartG"]) ? $Format["PositiveSlopeStartG"] : 234;
$PositiveSlopeStartB = isset($Format["PositiveSlopeStartB"]) ? $Format["PositiveSlopeStartB"] : 88;
$PositiveSlopeEndR = isset($Format["PositiveSlopeStartR"]) ? $Format["PositiveSlopeStartR"] : 239;
$PositiveSlopeEndG = isset($Format["PositiveSlopeStartG"]) ? $Format["PositiveSlopeStartG"] : 31;
$PositiveSlopeEndB = isset($Format["PositiveSlopeStartB"]) ? $Format["PositiveSlopeStartB"] : 36;
$NegativeSlopeStartR = isset($Format["NegativeSlopeStartR"]) ? $Format["NegativeSlopeStartR"] : 184;
$NegativeSlopeStartG = isset($Format["NegativeSlopeStartG"]) ? $Format["NegativeSlopeStartG"] : 234;
$NegativeSlopeStartB = isset($Format["NegativeSlopeStartB"]) ? $Format["NegativeSlopeStartB"] : 88;
$NegativeSlopeEndR = isset($Format["NegativeSlopeStartR"]) ? $Format["NegativeSlopeStartR"] : 67;
$NegativeSlopeEndG = isset($Format["NegativeSlopeStartG"]) ? $Format["NegativeSlopeStartG"] : 124;
$NegativeSlopeEndB = isset($Format["NegativeSlopeStartB"]) ? $Format["NegativeSlopeStartB"] : 227;
$Data = $this->DataSet
->getData();
list($XMargin, $XDivs) = $this
->scaleGetXSettings();
if ($Data["Orientation"] == SCALE_POS_LEFTRIGHT) {
$YPos = $this->DataSet->Data["GraphArea"]["Y2"] + $Offset;
}
else {
$XPos = $this->DataSet->Data["GraphArea"]["X2"] + $Offset;
}
foreach ($Data["Series"] as $SerieName => $Serie) {
if ($Serie["isDrawable"] == TRUE && $SerieName != $Data["Abscissa"]) {
$R = $Serie["Color"]["R"];
$G = $Serie["Color"]["G"];
$B = $Serie["Color"]["B"];
$Alpha = $Serie["Color"]["Alpha"];
$Ticks = $Serie["Ticks"];
$Weight = $Serie["Weight"];
$AxisID = $Serie["Axis"];
$PosArray = $this
->scaleComputeY($Serie["Data"], array(
"AxisID" => $Serie["Axis"],
));
if ($Data["Orientation"] == SCALE_POS_LEFTRIGHT) {
if ($Caption) {
if ($CaptionLine) {
$StartX = floor($this->GraphAreaX1 - $CaptionWidth + $XMargin - $CaptionMargin);
$EndX = floor($this->GraphAreaX1 - $CaptionMargin + $XMargin);
$CaptionSettings = array(
"R" => $R,
"G" => $G,
"B" => $B,
"Alpha" => $Alpha,
"Ticks" => $Ticks,
"Weight" => $Weight,
);
if ($CaptionBox) {
$this
->drawFilledRectangle($StartX, $YPos, $EndX, $YPos + $CaptionHeight, array(
"R" => $CaptionFillR,
"G" => $CaptionFillG,
"B" => $CaptionFillB,
"BorderR" => $CaptionBorderR,
"BorderG" => $CaptionBorderG,
"BorderB" => $CaptionBorderB,
"Alpha" => $CaptionFillAlpha,
));
}
$this
->drawLine($StartX + 2, $YPos + $CaptionHeight / 2, $EndX - 2, $YPos + $CaptionHeight / 2, $CaptionSettings);
}
else {
$this
->drawFilledRectangle($this->GraphAreaX1 - $CaptionWidth + $XMargin - $CaptionMargin, $YPos, $this->GraphAreaX1 - $CaptionMargin + $XMargin, $YPos + $CaptionHeight, array(
"R" => $R,
"G" => $G,
"B" => $B,
"BorderR" => $CaptionBorderR,
"BorderG" => $CaptionBorderG,
"BorderB" => $CaptionBorderB,
));
}
}
if ($XDivs == 0) {
$XStep = ($this->GraphAreaX2 - $this->GraphAreaX1) / 4;
}
else {
$XStep = ($this->GraphAreaX2 - $this->GraphAreaX1 - $XMargin * 2) / $XDivs;
}
$X = $this->GraphAreaX1 + $XMargin;
$TopY = $YPos + $CaptionHeight / 2 - $DerivativeHeight / 2;
$BottomY = $YPos + $CaptionHeight / 2 + $DerivativeHeight / 2;
$StartX = floor($this->GraphAreaX1 + $XMargin);
$EndX = floor($this->GraphAreaX2 - $XMargin);
if ($DrawBackground) {
$this
->drawFilledRectangle($StartX - 1, $TopY - 1, $EndX + 1, $BottomY + 1, array(
"R" => $BackgroundR,
"G" => $BackgroundG,
"B" => $BackgroundB,
"Alpha" => $BackgroundAlpha,
));
}
if ($DrawBorder) {
$this
->drawRectangle($StartX - 1, $TopY - 1, $EndX + 1, $BottomY + 1, array(
"R" => $BorderR,
"G" => $BorderG,
"B" => $BorderB,
"Alpha" => $BorderAlpha,
));
}
if (!is_array($PosArray)) {
$Value = $PosArray;
$PosArray = "";
$PosArray[0] = $Value;
}
$RestoreShadow = $this->Shadow;
$this->Shadow = FALSE;
/* Determine the Max slope index */
$LastX = NULL;
$LastY = NULL;
$MinSlope = 0;
$MaxSlope = 1;
foreach ($PosArray as $Key => $Y) {
if ($Y != VOID && $LastX != NULL) {
$Slope = $LastY - $Y;
if ($Slope > $MaxSlope) {
$MaxSlope = $Slope;
}
if ($Slope < $MinSlope) {
$MinSlope = $Slope;
}
}
if ($Y == VOID) {
$LastX = NULL;
$LastY = NULL;
}
else {
$LastX = $X;
$LastY = $Y;
}
}
$LastX = NULL;
$LastY = NULL;
$LastColor = NULL;
foreach ($PosArray as $Key => $Y) {
if ($Y != VOID && $LastY != NULL) {
$Slope = $LastY - $Y;
if ($Slope >= 0) {
$SlopeIndex = 100 / $MaxSlope * $Slope;
$R = ($PositiveSlopeEndR - $PositiveSlopeStartR) / 100 * $SlopeIndex + $PositiveSlopeStartR;
$G = ($PositiveSlopeEndG - $PositiveSlopeStartG) / 100 * $SlopeIndex + $PositiveSlopeStartG;
$B = ($PositiveSlopeEndB - $PositiveSlopeStartB) / 100 * $SlopeIndex + $PositiveSlopeStartB;
}
elseif ($Slope < 0) {
$SlopeIndex = 100 / abs($MinSlope) * abs($Slope);
$R = ($NegativeSlopeEndR - $NegativeSlopeStartR) / 100 * $SlopeIndex + $NegativeSlopeStartR;
$G = ($NegativeSlopeEndG - $NegativeSlopeStartG) / 100 * $SlopeIndex + $NegativeSlopeStartG;
$B = ($NegativeSlopeEndB - $NegativeSlopeStartB) / 100 * $SlopeIndex + $NegativeSlopeStartB;
}
$Color = array(
"R" => $R,
"G" => $G,
"B" => $B,
);
if ($ShadedSlopeBox && $LastColor != NULL) {
// && $Slope != 0
$GradientSettings = array(
"StartR" => $LastColor["R"],
"StartG" => $LastColor["G"],
"StartB" => $LastColor["B"],
"EndR" => $R,
"EndG" => $G,
"EndB" => $B,
);
$this
->drawGradientArea($LastX, $TopY, $X, $BottomY, DIRECTION_HORIZONTAL, $GradientSettings);
}
elseif (!$ShadedSlopeBox || $LastColor == NULL) {
// || $Slope == 0
$this
->drawFilledRectangle(floor($LastX), $TopY, floor($X), $BottomY, $Color);
}
$LastColor = $Color;
}
if ($Y == VOID) {
$LastY = NULL;
}
else {
$LastX = $X;
$LastY = $Y;
}
$X = $X + $XStep;
}
$YPos = $YPos + $CaptionHeight + $SerieSpacing;
}
else {
if ($Caption) {
$StartY = floor($this->GraphAreaY1 - $CaptionWidth + $XMargin - $CaptionMargin);
$EndY = floor($this->GraphAreaY1 - $CaptionMargin + $XMargin);
if ($CaptionLine) {
$CaptionSettings = array(
"R" => $R,
"G" => $G,
"B" => $B,
"Alpha" => $Alpha,
"Ticks" => $Ticks,
"Weight" => $Weight,
);
if ($CaptionBox) {
$this
->drawFilledRectangle($XPos, $StartY, $XPos + $CaptionHeight, $EndY, array(
"R" => $CaptionFillR,
"G" => $CaptionFillG,
"B" => $CaptionFillB,
"BorderR" => $CaptionBorderR,
"BorderG" => $CaptionBorderG,
"BorderB" => $CaptionBorderB,
"Alpha" => $CaptionFillAlpha,
));
}
$this
->drawLine($XPos + $CaptionHeight / 2, $StartY + 2, $XPos + $CaptionHeight / 2, $EndY - 2, $CaptionSettings);
}
else {
$this
->drawFilledRectangle($XPos, $StartY, $XPos + $CaptionHeight, $EndY, array(
"R" => $R,
"G" => $G,
"B" => $B,
"BorderR" => $CaptionBorderR,
"BorderG" => $CaptionBorderG,
"BorderB" => $CaptionBorderB,
));
}
}
if ($XDivs == 0) {
$XStep = ($this->GraphAreaY2 - $this->GraphAreaY1) / 4;
}
else {
$XStep = ($this->GraphAreaY2 - $this->GraphAreaY1 - $XMargin * 2) / $XDivs;
}
$Y = $this->GraphAreaY1 + $XMargin;
$TopX = $XPos + $CaptionHeight / 2 - $DerivativeHeight / 2;
$BottomX = $XPos + $CaptionHeight / 2 + $DerivativeHeight / 2;
$StartY = floor($this->GraphAreaY1 + $XMargin);
$EndY = floor($this->GraphAreaY2 - $XMargin);
if ($DrawBackground) {
$this
->drawFilledRectangle($TopX - 1, $StartY - 1, $BottomX + 1, $EndY + 1, array(
"R" => $BackgroundR,
"G" => $BackgroundG,
"B" => $BackgroundB,
"Alpha" => $BackgroundAlpha,
));
}
if ($DrawBorder) {
$this
->drawRectangle($TopX - 1, $StartY - 1, $BottomX + 1, $EndY + 1, array(
"R" => $BorderR,
"G" => $BorderG,
"B" => $BorderB,
"Alpha" => $BorderAlpha,
));
}
if (!is_array($PosArray)) {
$Value = $PosArray;
$PosArray = "";
$PosArray[0] = $Value;
}
$RestoreShadow = $this->Shadow;
$this->Shadow = FALSE;
/* Determine the Max slope index */
$LastX = NULL;
$LastY = NULL;
$MinSlope = 0;
$MaxSlope = 1;
foreach ($PosArray as $Key => $X) {
if ($X != VOID && $LastX != NULL) {
$Slope = $X - $LastX;
if ($Slope > $MaxSlope) {
$MaxSlope = $Slope;
}
if ($Slope < $MinSlope) {
$MinSlope = $Slope;
}
}
if ($X == VOID) {
$LastX = NULL;
}
else {
$LastX = $X;
}
}
$LastX = NULL;
$LastY = NULL;
$LastColor = NULL;
foreach ($PosArray as $Key => $X) {
if ($X != VOID && $LastX != NULL) {
$Slope = $X - $LastX;
if ($Slope >= 0) {
$SlopeIndex = 100 / $MaxSlope * $Slope;
$R = ($PositiveSlopeEndR - $PositiveSlopeStartR) / 100 * $SlopeIndex + $PositiveSlopeStartR;
$G = ($PositiveSlopeEndG - $PositiveSlopeStartG) / 100 * $SlopeIndex + $PositiveSlopeStartG;
$B = ($PositiveSlopeEndB - $PositiveSlopeStartB) / 100 * $SlopeIndex + $PositiveSlopeStartB;
}
elseif ($Slope < 0) {
$SlopeIndex = 100 / abs($MinSlope) * abs($Slope);
$R = ($NegativeSlopeEndR - $NegativeSlopeStartR) / 100 * $SlopeIndex + $NegativeSlopeStartR;
$G = ($NegativeSlopeEndG - $NegativeSlopeStartG) / 100 * $SlopeIndex + $NegativeSlopeStartG;
$B = ($NegativeSlopeEndB - $NegativeSlopeStartB) / 100 * $SlopeIndex + $NegativeSlopeStartB;
}
$Color = array(
"R" => $R,
"G" => $G,
"B" => $B,
);
if ($ShadedSlopeBox && $LastColor != NULL) {
$GradientSettings = array(
"StartR" => $LastColor["R"],
"StartG" => $LastColor["G"],
"StartB" => $LastColor["B"],
"EndR" => $R,
"EndG" => $G,
"EndB" => $B,
);
$this
->drawGradientArea($TopX, $LastY, $BottomX, $Y, DIRECTION_VERTICAL, $GradientSettings);
}
elseif (!$ShadedSlopeBox || $LastColor == NULL) {
$this
->drawFilledRectangle($TopX, floor($LastY), $BottomX, floor($Y), $Color);
}
$LastColor = $Color;
}
if ($X == VOID) {
$LastX = NULL;
}
else {
$LastX = $X;
$LastY = $Y;
}
$Y = $Y + $XStep;
}
$XPos = $XPos + $CaptionHeight + $SerieSpacing;
}
$this->Shadow = $RestoreShadow;
}
}
}