Amenadiel\JpGraph\Plot\StockPlot::Stroke()

Complexity

Conditions	15
Paths	1188

Size

Total Lines	102
Code Lines	68

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function Stroke($img, $xscale, $yscale)
    {
        $n = $this->numpoints;
        if ($this->center) {
            --$n;
        }

        if (isset($this->coords[1])) {
            if (safe_count($this->coords[1]) != $n) {
                Util\JpGraphError::RaiseL(2003, safe_count($this->coords[1]), $n);
            // ("Number of X and Y points are not equal. Number of X-points:". safe_count($this->coords[1])." Number of Y-points:$numpoints");
            } else {
                $exist_x = true;
            }
        } else {
            $exist_x = false;
        }

        if ($exist_x) {

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

            $xs = $this->coords[1][0];

The assignment to $xs is dead and can be removed.

        } else {
            $xs = 0;
        }

        $ts              = $this->iTupleSize;
        $this->csimareas = '';
        for ($i = 0; $i < $n; ++$i) {
            //If value is NULL, then don't draw a bar at all
            if ($this->coords[0][$i * $ts] === null) {
                continue;
            }

            if ($exist_x) {
                $x = $this->coords[1][$i];
                if ($x === null) {
                    continue;
                }
            } else {
                $x = $i;
            }
            $xt = $xscale->Translate($x);

            $neg    = $this->coords[0][$i * $ts] > $this->coords[0][$i * $ts + 1];
            $yopen  = $yscale->Translate($this->coords[0][$i * $ts]);
            $yclose = $yscale->Translate($this->coords[0][$i * $ts + 1]);
            $ymin   = $yscale->Translate($this->coords[0][$i * $ts + 2]);
            $ymax   = $yscale->Translate($this->coords[0][$i * $ts + 3]);

            $dx = floor($this->iWidth / 2);
            $xl = $xt - $dx;
            $xr = $xt + $dx;

            if ($neg) {
                $img->SetColor($this->iStockColor3);
            } else {
                $img->SetColor($this->iStockColor1);
            }
            $img->FilledRectangle($xl, $yopen, $xr, $yclose);
            $img->SetLineWeight($this->weight);
            if ($neg) {
                $img->SetColor($this->iStockColor2);
            } else {
                $img->SetColor($this->color);
            }

            $img->Rectangle($xl, $yopen, $xr, $yclose);

            if ($yopen < $yclose) {
                $ytop    = $yopen;
                $ybottom = $yclose;
            } else {
                $ytop    = $yclose;
                $ybottom = $yopen;
            }
            $img->SetColor($this->color);
            $img->Line($xt, $ytop, $xt, $ymax);
            $img->Line($xt, $ybottom, $xt, $ymin);

            if ($this->iEndLines) {
                $img->Line($xl, $ymax, $xr, $ymax);
                $img->Line($xl, $ymin, $xr, $ymin);
            }

            // A chance for subclasses to add things to the bar
            // for data point i
            $this->ModBox($img, $xscale, $yscale, $i, $xl, $xr, $neg);

            // Setup image maps
            if (!empty($this->csimtargets[$i])) {
                $this->csimareas .= '<area shape="rect" coords="' .
                round($xl) . ',' . round($ytop) . ',' .
                round($xr) . ',' . round($ybottom) . '" ';
                $this->csimareas .= ' href="' . $this->csimtargets[$i] . '"';
                if (!empty($this->csimalts[$i])) {
                    $sval = $this->csimalts[$i];
                    $this->csimareas .= " title=\"${sval}\" alt=\"${sval}\" ";
                }
                $this->csimareas .= "  />\n";
            }
        }

        return true;
    }