Exemplo n.º 1
0
    /**
      * Draw a sample for use with legend
      * @param int $x The x coordinate to draw the sample at
      * @param int $y The y coordinate to draw the sample at
      * @access private
      */
    function _legendSample($x, $y, &$font)
    {
        if (is_a($this->_fillStyle, "Image_Graph_Fill")) {
            $fillStyle = $this->_fillStyle->_getFillStyleAt($x -5, $y -5, 10, 10);
        } else {
            $fillStyle = $this->_getFillStyle();
        }
        if ($fillStyle != IMG_COLOR_TRANSPARENT) {
            ImageFilledRectangle($this->_canvas(), $x -5, $y -5, $x +5, $y +5, $fillStyle);
            ImageRectangle($this->_canvas(), $x -5, $y -5, $x +5, $y +5, $this->_getLineStyle());
        } else {
            ImageLine($this->_canvas(), $x -7, $y, $x +7, $y, $this->_getLineStyle());
        }

        if (($this->_marker) and ($this->_dataset)) {
            $this->_dataset->_reset();
            $point = $this->_dataset->_next();
            $prevPoint = $this->_dataset->_nearby(-2);
            $nextPoint = $this->_dataset->_nearby();

            $point = $this->_getMarkerData($point, $nextPoint, $prevPoint, $i);
            if (is_array($point)) {
                $point['MARKER_X'] = $x;
                $point['MARKER_Y'] = $y;
                unset ($point['AVERAGE_Y']);
                $this->_marker->_drawMarker($point['MARKER_X'], $point['MARKER_Y'], $point);
            }
        }

        $text = new Image_Graph_Text($x + 20, $y, $this->_title, $font);
        $text->setAlignment(IMAGE_GRAPH_ALIGN_CENTER_Y | IMAGE_GRAPH_ALIGN_LEFT);
        $this->add($text);
        $text->_done();

        return array('Width' => 20+$font->width($this->_title), 'Height' => max(10, $font->height($this->_title)));
    }