Amenadiel\JpGraph\Plot\WindrosePlot::_StrokeFreeRose()

Complexity

Conditions	34
Paths	> 20000

Size

Total Lines	174
Code Lines	104

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function _StrokeFreeRose($dblImg, $value, $scaling, $xc, $yc, $r, $ri)
    {
        // Plot radial grid lines and remember the end position
        // and the angle for later use when plotting the labels
        if ($this->iType != WINDROSE_TYPEFREE) {
            Util\JpGraphError::RaiseL(22008); //('Internal error: Trying to plot free Windrose even though type is not a free windorose');
        }

        // Check if we should auto-position the angle for the
        // labels. Basically we try to find a firection with smallest
        // (or none) data.
        $this->SetAutoScaleAngle(false);

        $nlc = safe_count($this->iLegColors);
        $nlw = safe_count($this->iLegweights);

        // Stroke grid lines for directions and remember the
        // position for the labels
        $txtpos = [];
        $num    = safe_count($this->iData);

        $keys = array_keys($this->iData);

        foreach ($this->iData as $dir => $legdata) {
            if (in_array($dir, $this->iAllDirectionLabels, true) === true) {
                $a = $this->iStandardDirections[strtoupper($dir)];
                if (in_array($a * 180 / M_PI, $keys, true)) {
                    Util\JpGraphError::RaiseL(22009, round($a * 180 / M_PI));
                    //('You have specified the same direction twice, once with an angle and once with a compass direction ('.$a*180/M_PI.' degrees.)');
                }
            } elseif (is_numeric($dir)) {
                $this->NormAngle($dir);

                if ($this->iOrdinalEncoding == KEYENCODING_CLOCKWISE) {
                    $dir = 360 - $dir;
                }

                $a = $dir * M_PI / 180;
            } else {
                Util\JpGraphError::RaiseL(22010); //('Direction must either be a numeric value or one of the 16 compass directions');
            }

            $xxc = round($xc + cos($a) * $ri);

The variable $a does not seem to be defined for all execution paths leading up to this point.

            $yyc = round($yc - sin($a) * $ri);
            $x   = round($xc + cos($a) * $r);
            $y   = round($yc - sin($a) * $r);
            if (empty($this->iRadialColorArray[$dir])) {
                $dblImg->SetColor($this->iGridColor2);
            } else {
                $dblImg->SetColor($this->iRadialColorArray[$dir]);
            }
            if (empty($this->iRadialWeightArray[$dir])) {
                $dblImg->SetLineWeight($this->iRadialGridWeight);
            } else {
                $dblImg->SetLineWeight($this->iRadialWeightArray[$dir]);
            }
            if (empty($this->iRadialStyleArray[$dir])) {
                $dblImg->SetLineStyle($this->iRadialGridStyle);
            } else {
                $dblImg->SetLineStyle($this->iRadialStyleArray[$dir]);
            }
            $dblImg->StyleLine($xxc, $yyc, $x, $y);
            $txtpos[] = [$x, $y, $a];
        }
        $dblImg->SetLineWeight(1);

        // Setup labels
        $lr = $scaling * $this->iLabelMargin;

        if ($this->iLabelPositioning == LBLPOSITION_EDGE) {
            $value->SetAlign('left', 'top');
        } else {
            $value->SetAlign('center', 'center');
            $value->SetMargin(0);
        }

        for ($i = 0; $i < $num; ++$i) {
            list($x, $y, $a) = $txtpos[$i];

            // Determine the label

            $da = $a * 180 / M_PI;
            if ($this->iOrdinalEncoding == KEYENCODING_CLOCKWISE) {
                $da = 360 - $da;
            }

            //$da = 360-$da;

            if (!empty($this->iLabels[$keys[$i]])) {
                $lbl = $this->iLabels[$keys[$i]];
            } else {
                $lbl = sprintf($this->iLabelFormatString, $da);
            }

            if ($this->iLabelPositioning == LBLPOSITION_CENTER) {
                $dx = $dy = 0;
            } else {
                // LBLPOSIITON_EDGE
                if ($a >= 7 * M_PI / 4 || $a <= M_PI / 4) {
                    $dx = 0;
                }

                if ($a >= M_PI / 4 && $a <= 3 * M_PI / 4) {
                    $dx = ($a - M_PI / 4) * 2 / M_PI;
                }

                if ($a >= 3 * M_PI / 4 && $a <= 5 * M_PI / 4) {
                    $dx = 1;
                }

                if ($a >= 5 * M_PI / 4 && $a <= 7 * M_PI / 4) {
                    $dx = (1 - ($a - M_PI * 5 / 4) * 2 / M_PI);
                }

                if ($a >= 7 * M_PI / 4) {
                    $dy = (($a - M_PI) - 3 * M_PI / 4) * 2 / M_PI;
                }

                if ($a <= M_PI / 4) {
                    $dy = (0.5 + $a * 2 / M_PI);
                }

                if ($a >= M_PI / 4 && $a <= 3 * M_PI / 4) {
                    $dy = 1;
                }

                if ($a >= 3 * M_PI / 4 && $a <= 5 * M_PI / 4) {
                    $dy = (1 - ($a - 3 * M_PI / 4) * 2 / M_PI);
                }

                if ($a >= 5 * M_PI / 4 && $a <= 7 * M_PI / 4) {
                    $dy = 0;
                }
            }

            $value->Set($lbl);
            $th = $value->GetHeight($dblImg);
            $tw = $value->GetWidth($dblImg);
            $xt = round($lr * cos($a) + $x) - $dx * $tw;

The variable $dx does not seem to be defined for all execution paths leading up to this point.

            $yt = round($y - $lr * sin($a)) - $dy * $th;

The variable $dy does not seem to be defined for all execution paths leading up to this point.

            $value->Stroke($dblImg, $xt, $yt);
        }

        if (__DEBUG) {
            $dblImg->SetColor('red');
            $dblImg->Circle($xc, $yc, $lr + $r);
        }

        // Stroke all the legs
        reset($this->iData);
        $i = 0;
        foreach ($this->iData as $dir => $legdata) {
            $legdata = array_slice($legdata, 1);
            $nn      = safe_count($legdata);

            $a   = $txtpos[$i][2];
            $rri = $ri / $scaling;
            for ($j = 0; $j < $nn; ++$j) {
                // We want the non scaled original radius
                $legr = $this->scale->RelTranslate($legdata[$j], $r / $scaling, $ri / $scaling);
                $this->_StrokeWindLeg(
                    $dblImg,
                    $xc,
                    $yc,
                    $a,
                    $rri * $scaling,
                    $legr * $scaling,
                    $this->iLegweights[$j % $nlw] * $scaling,
                    $this->iLegColors[$j % $nlc]
                );
                $rri += $legr;
            }
            ++$i;
        }