Amenadiel\JpGraph\Graph\RadarGraph::Stroke()

Complexity

Conditions	29
Paths	> 20000

Size

Total Lines	144
Code Lines	73

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	870

Importance

Changes	2
Bugs	0	Features	0

<?php
    public function Stroke($aStrokeFileName = '')
    {
        // If the filename is the predefined value = '_csim_special_'
        // we assume that the call to stroke only needs to do enough
        // to correctly generate the CSIM maps.
        // We use this variable to skip things we don't strictly need
        // to do to generate the image map to improve performance
        // a best we can. Therefor you will see a lot of tests !$_csim in the
        // code below.
        $_csim = ($aStrokeFileName === _CSIM_SPECIALFILE);

        // We need to know if we have stroked the plot in the
        // GetCSIMareas. Otherwise the CSIM hasn't been generated
        // and in the case of GetCSIM called before stroke to generate
        // CSIM without storing an image to disk GetCSIM must call Stroke.
        $this->iHasStroked = true;

        $n = safe_count($this->plots);
        // Set Y-scale

        if (!$this->yscale->IsSpecified() && safe_count($this->plots) > 0) {
            list($min, $max) = $this->GetPlotsYMinMax($this->plots);
            $this->yscale->AutoScale($this->img, 0, $max, $this->len / $this->ytick_factor);
        } elseif ($this->yscale->IsSpecified() &&
            ($this->yscale->auto_ticks || !$this->yscale->ticks->IsSpecified())) {
            // The tick calculation will use the user suplied min/max values to determine
            // the ticks. If auto_ticks is false the exact user specifed min and max
            // values will be used for the scale.
            // If auto_ticks is true then the scale might be slightly adjusted
            // so that the min and max values falls on an even major step.
            $min = $this->yscale->scale[0];
            $max = $this->yscale->scale[1];
            $this->yscale->AutoScale(
                $this->img,
                $min,
                $max,
                $this->len / $this->ytick_factor,
                $this->yscale->auto_ticks
            );
        }

        // Set start position end length of scale (in absolute pixels)
        $this->yscale->SetConstants($this->posx, $this->len);

        // We need as many axis as there are data points
        $nbrpnts = $this->plots[0]->GetCount();

        // If we have no titles just number the axis 1,2,3,...
        if ($this->axis_title == null) {
            for ($i = 0; $i < $nbrpnts; ++$i) {
                $this->axis_title[$i] = $i + 1;
            }
        } elseif (safe_count($this->axis_title) < $nbrpnts) {
            Util\JpGraphError::RaiseL(18007);
            // ("Number of titles does not match number of points in plot.");
        }
        for ($i = 0; $i < $n; ++$i) {
            if ($nbrpnts != $this->plots[$i]->GetCount()) {
                Util\JpGraphError::RaiseL(18008);
                //("Each radar plot must have the same number of data points.");
            }
        }

        if (!$_csim) {
            if ($this->background_image != '') {
                $this->StrokeFrameBackground();
            } else {
                $this->StrokeFrame();
                $this->StrokeBackgroundGrad();
            }
        }
        $astep = 2 * M_PI / $nbrpnts;

        if (!$_csim) {
            if ($this->iIconDepth == DEPTH_BACK) {
                $this->StrokeIcons();
            }

            // Prepare legends
            for ($i = 0; $i < $n; ++$i) {
                $this->plots[$i]->Legend($this);
            }
            $this->legend->Stroke($this->img);
            $this->footer->Stroke($this->img);
        }

        if (!$_csim) {
            if ($this->grid_depth == DEPTH_BACK) {
                // Draw axis and grid
                for ($i = 0, $a = M_PI / 2; $i < $nbrpnts; ++$i, $a += $astep) {
                    $this->axis->Stroke($this->posy, $a, $grid[$i], $this->axis_title[$i], $i == 0);

The variable $grid seems to be never defined.

                }
                $this->grid->Stroke($this->img, $grid);
            }
            if ($this->iIconDepth == DEPTH_BACK) {
                $this->StrokeIcons();
            }
        }

        // Plot points
        $a = M_PI / 2;
        for ($i = 0; $i < $n; ++$i) {
            $this->plots[$i]->Stroke($this->img, $this->posy, $this->yscale, $a);
        }

        if (!$_csim) {
            if ($this->grid_depth != DEPTH_BACK) {
                // Draw axis and grid
                for ($i = 0, $a = M_PI / 2; $i < $nbrpnts; ++$i, $a += $astep) {
                    $this->axis->Stroke($this->posy, $a, $grid[$i], $this->axis_title[$i], $i == 0);
                }
                $this->grid->Stroke($this->img, $grid);
            }

            $this->StrokeTitles();
            $this->StrokeTexts();
            if ($this->iIconDepth == DEPTH_FRONT) {
                $this->StrokeIcons();
            }
        }

        // Should we do any final image transformation
        if ($this->iImgTrans && !$_csim) {
            $tform          = new Image\ImgTrans($this->img->img);
            $this->img->img = $tform->Skew3D(
                $this->iImgTransHorizon,
                $this->iImgTransSkewDist,
                $this->iImgTransDirection,
                $this->iImgTransHighQ,
                $this->iImgTransMinSize,
                $this->iImgTransFillColor,
                $this->iImgTransBorder
            );
        }

        if (!$_csim) {
            // If the filename is given as the special "__handle"
            // then the image handler is returned and the image is NOT
            // streamed back
            if ($aStrokeFileName == _IMG_HANDLER) {
                return $this->img->img;
            }
            // Finally stream the generated picture
            $this->cache->PutAndStream($this->img, $this->cache_name, $this->inline, $aStrokeFileName);
        }