PHP Gradient::FilledRectangle方法代码示例

 function StrokeBackgroundGrad()
 {
     if ($this->bkg_gradtype < 0) {
         return;
     }
     $grad = new Gradient($this->img);
     if ($this->bkg_gradstyle == BGRAD_PLOT) {
         $xl = $this->img->left_margin;
         $yt = $this->img->top_margin;
         $xr = $xl + $this->img->plotwidth + 1;
         $yb = $yt + $this->img->plotheight;
         $grad->FilledRectangle($xl, $yt, $xr, $yb, $this->bkg_gradfrom, $this->bkg_gradto, $this->bkg_gradtype);
     } else {
         $xl = 0;
         $yt = 0;
         $xr = $xl + $this->img->width - 1;
         $yb = $yt + $this->img->height - 1;
         if ($this->doshadow) {
             $xr -= $this->shadow_width;
             $yb -= $this->shadow_width;
         }
         if ($this->doframe) {
             $yt += $this->frame_weight;
             $yb -= $this->frame_weight;
             $xl += $this->frame_weight;
             $xr -= $this->frame_weight;
         }
         $aa = $this->img->SetAngle(0);
         $grad->FilledRectangle($xl, $yt, $xr, $yb, $this->bkg_gradfrom, $this->bkg_gradto, $this->bkg_gradtype);
         $aa = $this->img->SetAngle($aa);
     }
 }

 function Stroke(&$aImg)
 {
     if ($this->hide) {
         return;
     }
     $aImg->SetFont($this->font_family, $this->font_style, $this->font_size);
     if ($this->reverse) {
         $this->txtcol = array_reverse($this->txtcol);
     }
     $n = count($this->txtcol);
     if ($n == 0) {
         return;
     }
     // Find out the max width and height of each column to be able
     // to size the legend box.
     $numcolumns = $n > $this->layout_n ? $this->layout_n : $n;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $colwidth[$i] = $aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_size;
         $colheight[$i] = 0;
     }
     // Find our maximum height in each row
     $rows = -1;
     for ($i = 0; $i < $n; ++$i) {
         $h = max($this->mark_abs_size, $aImg->GetTextHeight($this->txtcol[$i][0])) + $this->ymargin;
         if ($i % $numcolumns == 0) {
             $rows++;
             $rowheight[$rows] = 0;
         }
         $rowheight[$rows] = max($rowheight[$rows], $h);
     }
     $abs_height = 0;
     for ($i = 0; $i <= $rows; ++$i) {
         $abs_height += $rowheight[$i];
     }
     // Make sure that the height is at least as high as mark size + ymargin
     $abs_height = max($abs_height, $this->mark_abs_size + $this->ymargin);
     $abs_height += 2 * $this->ymargin + $this->mark_abs_size / 2;
     // Find out the maximum width in each column
     for ($i = $numcolumns; $i < $n; ++$i) {
         $colwidth[$i % $numcolumns] = max($aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_size, $colwidth[$i % $numcolumns]);
     }
     // Get the total width
     $mtw = 0;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $mtw += $colwidth[$i];
     }
     // Find out maximum width we need for legend box
     $abs_width = $mtw + $this->xlmargin;
     if ($this->xabspos === -1 && $this->yabspos === -1) {
         $this->xabspos = $this->xpos * $aImg->width;
         $this->yabspos = $this->ypos * $aImg->height;
     }
     // Positioning of the legend box
     if ($this->halign == "left") {
         $xp = $this->xabspos;
     } elseif ($this->halign == "center") {
         $xp = $this->xabspos - $abs_width / 2;
     } else {
         $xp = $aImg->width - $this->xabspos - $abs_width;
     }
     $yp = $this->yabspos;
     if ($this->valign == "center") {
         $yp -= $abs_height / 2;
     } elseif ($this->valign == "bottom") {
         $yp -= $abs_height;
     }
     // Stroke legend box
     $aImg->SetColor($this->color);
     $aImg->SetLineWeight($this->frameweight);
     $aImg->SetLineStyle('solid');
     if ($this->shadow) {
         $aImg->ShadowRectangle($xp, $yp, $xp + $abs_width + $this->shadow_width, $yp + $abs_height + $this->shadow_width, $this->fill_color, $this->shadow_width, $this->shadow_color);
     } else {
         $aImg->SetColor($this->fill_color);
         $aImg->FilledRectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
         $aImg->SetColor($this->color);
         $aImg->Rectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
     }
     // x1,y1 is the position for the legend mark
     $aImg->SetLineWeight($this->weight);
     $x1 = $xp + $this->mark_abs_size + $this->xlmargin;
     $y1 = $yp + $this->mark_abs_size / 2 + $this->ymargin / 3;
     $f2 = round($aImg->GetTextHeight('X') / 2);
     $grad = new Gradient($aImg);
     // Now stroke each legend in turn
     // Each plot has added the following information to  the legend
     // p[0] = Legend text
     // p[1] = Color,
     // p[2] = For markers a reference to the PlotMark object
     // p[3] = For lines the line style, for gradient the negative gradient style
     // p[4] = CSIM target
     // p[5] = CSIM Alt text
     $i = 1;
     $row = 0;
     foreach ($this->txtcol as $p) {
         $x1 = round($x1);
         $y1 = round($y1);
         if ($p[2] != "" && $p[2]->GetType() > -1) {
             // Make a plot mark legend
             $aImg->SetColor($p[1]);
//.........这里部分代码省略.........

 function Stroke(&$aImg)
 {
     // Constant
     $fillBoxFrameWeight = 1;
     if ($this->hide) {
         return;
     }
     $aImg->SetFont($this->font_family, $this->font_style, $this->font_size);
     if ($this->reverse) {
         $this->txtcol = array_reverse($this->txtcol);
     }
     $n = count($this->txtcol);
     if ($n == 0) {
         return;
     }
     // Find out the max width and height of each column to be able
     // to size the legend box.
     $numcolumns = $n > $this->layout_n ? $this->layout_n : $n;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $colwidth[$i] = $aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_hsize;
         $colheight[$i] = 0;
     }
     // Find our maximum height in each row
     $rows = 0;
     $rowheight[0] = 0;
     for ($i = 0; $i < $n; ++$i) {
         $h = max($this->mark_abs_vsize, $aImg->GetTextHeight($this->txtcol[$i][0])) + $this->ymargin;
         if ($i % $numcolumns == 0) {
             $rows++;
             $rowheight[$rows - 1] = 0;
         }
         $rowheight[$rows - 1] = max($rowheight[$rows - 1], $h);
     }
     $abs_height = 0;
     for ($i = 0; $i < $rows; ++$i) {
         $abs_height += $rowheight[$i];
     }
     // Make sure that the height is at least as high as mark size + ymargin
     $abs_height = max($abs_height, $this->mark_abs_vsize);
     // We add 3 extra pixels height to compensate for the difficult in
     // calculating font height
     $abs_height += $this->ymargin + 3;
     // Find out the maximum width in each column
     for ($i = $numcolumns; $i < $n; ++$i) {
         $colwidth[$i % $numcolumns] = max($aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_hsize, $colwidth[$i % $numcolumns]);
     }
     // Get the total width
     $mtw = 0;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $mtw += $colwidth[$i];
     }
     // Find out maximum width we need for legend box
     $abs_width = $mtw + $this->xlmargin;
     if ($this->xabspos === -1 && $this->yabspos === -1) {
         $this->xabspos = $this->xpos * $aImg->width;
         $this->yabspos = $this->ypos * $aImg->height;
     }
     // Positioning of the legend box
     if ($this->halign == 'left') {
         $xp = $this->xabspos;
     } elseif ($this->halign == 'center') {
         $xp = $this->xabspos - $abs_width / 2;
     } else {
         $xp = $aImg->width - $this->xabspos - $abs_width;
     }
     $yp = $this->yabspos;
     if ($this->valign == 'center') {
         $yp -= $abs_height / 2;
     } elseif ($this->valign == 'bottom') {
         $yp -= $abs_height;
     }
     // Stroke legend box
     $aImg->SetColor($this->color);
     $aImg->SetLineWeight($this->frameweight);
     $aImg->SetLineStyle('solid');
     if ($this->shadow) {
         $aImg->ShadowRectangle($xp, $yp, $xp + $abs_width + $this->shadow_width, $yp + $abs_height + $this->shadow_width, $this->fill_color, $this->shadow_width, $this->shadow_color);
     } else {
         $aImg->SetColor($this->fill_color);
         $aImg->FilledRectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
         $aImg->SetColor($this->color);
         $aImg->Rectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
     }
     // x1,y1 is the position for the legend mark
     $x1 = $xp + $this->mark_abs_hsize + $this->xlmargin;
     $y1 = $yp + $this->ymargin;
     $f2 = round($aImg->GetTextHeight('X') / 2);
     $grad = new Gradient($aImg);
     $patternFactory = null;
     // Now stroke each legend in turn
     // Each plot has added the following information to  the legend
     // p[0] = Legend text
     // p[1] = Color,
     // p[2] = For markers a reference to the PlotMark object
     // p[3] = For lines the line style, for gradient the negative gradient style
     // p[4] = CSIM target
     // p[5] = CSIM Alt text
     $i = 1;
     $row = 0;
     foreach ($this->txtcol as $p) {
//.........这里部分代码省略.........

 function Stroke(&$img, &$xscale, &$yscale)
 {
     $img->SetLineWeight($this->weight);
     for ($i = 0; $i < $this->numpoints - 1; $i++) {
         $accy = 0;
         $accy_neg = 0;
         for ($j = 0; $j < $this->nbrplots; ++$j) {
             $img->SetColor($this->plots[$j]->color);
             if ($this->plots[$j]->coords[0][$i] > 0) {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy);
                 $accyt = $yscale->Translate($accy);
                 $accy += $this->plots[$j]->coords[0][$i];
             } else {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy_neg);
                 $accyt = $yscale->Translate($accy_neg);
                 $accy_neg += $this->plots[$j]->coords[0][$i];
             }
             $xt = $xscale->Translate($i);
             //echo "$i => $xt<br>";
             if ($this->abswidth > -1) {
                 $abswidth = $this->abswidth;
             } else {
                 $abswidth = round($this->width * $xscale->scale_factor, 0);
             }
             $pts = array($xt, $accyt, $xt, $yt, $xt + $abswidth, $yt, $xt + $abswidth, $accyt);
             if ($this->plots[$j]->grad) {
                 $grad = new Gradient($img);
                 $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $this->plots[$j]->grad_fromcolor, $this->plots[$j]->grad_tocolor, $this->plots[$j]->grad_style);
             } elseif ($this->plots[$j]->fill_color) {
                 $img->SetColor($this->plots[$j]->fill_color);
                 $img->FilledPolygon($pts);
                 $img->SetColor($this->plots[$j]->color);
             }
             if ($this->bar_shadow) {
                 $ssh = $this->bar_shadow_hsize;
                 $ssv = $this->bar_shadow_vsize;
                 // Create points to create a "upper-right" shadow
                 $sp[0] = $pts[6];
                 $sp[1] = $pts[7];
                 $sp[2] = $pts[4];
                 $sp[3] = $pts[5];
                 $sp[4] = $pts[2];
                 $sp[5] = $pts[3];
                 $sp[6] = $pts[2] + $ssh;
                 $sp[7] = $pts[3] - $ssv;
                 $sp[8] = $pts[4] + $ssh;
                 $sp[9] = $pts[5] - $ssv;
                 $sp[10] = $pts[6] + $ssh;
                 $sp[11] = $pts[7] - $ssv;
                 $img->SetColor($this->bar_shadow_color);
                 $img->FilledPolygon($sp, 4);
             }
             if ($i < count($this->plots[$j]->csimtargets)) {
                 // Create the client side image map
                 $rpts = $img->ArrRotate($pts);
                 $csimcoord = round($rpts[0]) . ", " . round($rpts[1]);
                 for ($k = 1; $k < 4; ++$k) {
                     $csimcoord .= ", " . round($rpts[2 * $k]) . ", " . round($rpts[2 * $k + 1]);
                 }
                 $this->csimareas .= '<area shape="poly" coords="' . $csimcoord . '" ';
                 $this->csimareas .= " href=\"" . $this->plots[$j]->csimtargets[$i] . "\"";
                 if (!empty($this->plots[$j]->csimalts[$i])) {
                     $sval = sprintf($this->plots[$j]->csimalts[$i], $this->plots[$j]->coords[0][$i]);
                     $this->csimareas .= " alt=\"{$sval}\" title=\"{$sval}\" ";
                 }
                 $this->csimareas .= ">\n";
             }
             $pts[] = $pts[0];
             $pts[] = $pts[1];
             $img->Polygon($pts);
         }
         $x = $pts[2] + ($pts[4] - $pts[2]) / 2;
         $y = $yscale->Translate($accy);
         if ($this->bar_shadow) {
             $x += $ssh;
         }
         $this->value->Stroke($img, $accy, $x, $y);
         $accy = 0;
         $accy_neg = 0;
         for ($j = 0; $j < $this->nbrplots; ++$j) {
             if ($this->plots[$j]->coords[0][$i] > 0) {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy);
                 $accyt = $yscale->Translate($accy);
                 $y = $accyt - ($accyt - $yt) / 2;
                 $accy += $this->plots[$j]->coords[0][$i];
             } else {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy_neg);
                 $accyt = $yscale->Translate($accy_neg);
                 $y = 0;
                 $accy_neg += $this->plots[$j]->coords[0][$i];
             }
             $this->plots[$j]->value->SetAlign("center", "center");
             $this->plots[$j]->value->SetMargin(0);
             $this->plots[$j]->value->Stroke($img, $this->plots[$j]->coords[0][$i], $x, $y);
         }
     }
     return true;
 }

 function Stroke(&$img, &$xscale, &$yscale)
 {
     $pattern = NULL;
     $img->SetLineWeight($this->weight);
     for ($i = 0; $i < $this->numpoints - 1; $i++) {
         $accy = 0;
         $accy_neg = 0;
         for ($j = 0; $j < $this->nbrplots; ++$j) {
             $img->SetColor($this->plots[$j]->color);
             if ($this->plots[$j]->coords[0][$i] >= 0) {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy);
                 $accyt = $yscale->Translate($accy);
                 $accy += $this->plots[$j]->coords[0][$i];
             } else {
                 //if ( $this->plots[$j]->coords[0][$i] < 0 || $accy_neg < 0 ) {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy_neg);
                 $accyt = $yscale->Translate($accy_neg);
                 $accy_neg += $this->plots[$j]->coords[0][$i];
             }
             $xt = $xscale->Translate($i);
             if ($this->abswidth > -1) {
                 $abswidth = $this->abswidth;
             } else {
                 $abswidth = round($this->width * $xscale->scale_factor, 0);
             }
             $pts = array($xt, $accyt, $xt, $yt, $xt + $abswidth, $yt, $xt + $abswidth, $accyt);
             if ($this->bar_shadow) {
                 $ssh = $this->bar_shadow_hsize;
                 $ssv = $this->bar_shadow_vsize;
                 // We must also differ if we are a positive or negative bar.
                 if ($j === 0) {
                     // This gets extra complicated since we have to
                     // see all plots to see if we are negative. It could
                     // for example be that all plots are 0 until the very
                     // last one. We therefore need to save the initial setup
                     // for both the negative and positive case
                     // In case the final bar is positive
                     $sp[0] = $pts[6] + 1;
                     $sp[1] = $pts[7];
                     $sp[2] = $pts[6] + $ssh;
                     $sp[3] = $pts[7] - $ssv;
                     // In case the final bar is negative
                     $nsp[0] = $pts[0];
                     $nsp[1] = $pts[1];
                     $nsp[2] = $pts[0] + $ssh;
                     $nsp[3] = $pts[1] - $ssv;
                     $nsp[4] = $pts[6] + $ssh;
                     $nsp[5] = $pts[7] - $ssv;
                     $nsp[10] = $pts[6] + 1;
                     $nsp[11] = $pts[7];
                 }
                 if ($j === $this->nbrplots - 1) {
                     // If this is the last plot of the bar and
                     // the total value is larger than 0 then we
                     // add the shadow.
                     if (is_array($this->bar_shadow_color)) {
                         $numcolors = count($this->bar_shadow_color);
                         if ($numcolors == 0) {
                             JpGraphError::Raise('You have specified an empty array for shadow colors in the bar plot.');
                         }
                         $img->PushColor($this->bar_shadow_color[$i % $numcolors]);
                     } else {
                         $img->PushColor($this->bar_shadow_color);
                     }
                     if ($accy > 0) {
                         $sp[4] = $pts[4] + $ssh;
                         $sp[5] = $pts[5] - $ssv;
                         $sp[6] = $pts[2] + $ssh;
                         $sp[7] = $pts[3] - $ssv;
                         $sp[8] = $pts[2];
                         $sp[9] = $pts[3] - 1;
                         $sp[10] = $pts[4] + 1;
                         $sp[11] = $pts[5];
                         $img->FilledPolygon($sp, 4);
                     } elseif ($accy_neg < 0) {
                         $nsp[6] = $pts[4] + $ssh;
                         $nsp[7] = $pts[5] - $ssv;
                         $nsp[8] = $pts[4] + 1;
                         $nsp[9] = $pts[5];
                         $img->FilledPolygon($nsp, 4);
                     }
                     $img->PopColor();
                 }
             }
             // If value is NULL or 0, then don't draw a bar at all
             if ($this->plots[$j]->coords[0][$i] == 0) {
                 continue;
             }
             if ($this->plots[$j]->grad) {
                 $grad = new Gradient($img);
                 $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $this->plots[$j]->grad_fromcolor, $this->plots[$j]->grad_tocolor, $this->plots[$j]->grad_style);
             } else {
                 if (is_array($this->plots[$j]->fill_color)) {
                     $numcolors = count($this->plots[$j]->fill_color);
                     $img->SetColor($this->plots[$j]->fill_color[$i % $numcolors]);
                 } else {
                     $img->SetColor($this->plots[$j]->fill_color);
                 }
                 $img->FilledPolygon($pts);
                 $img->SetColor($this->plots[$j]->color);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
                 }
             }
             // If value is NULL or 0, then don't draw a bar at all
             if ($this->plots[$j]->coords[0][$i] == 0) {
                 continue;
             }
             if ($this->plots[$j]->grad) {
                 if ($grad === null) {
                     $grad = new Gradient($img);
                 }
                 if (is_array($this->plots[$j]->grad_fromcolor)) {
                     // The first argument (grad_fromcolor) can be either an array or a single color. If it is an array
                     // then we have two choices. It can either a) be a single color specified as an RGB triple or it can be
                     // an array to specify both (from, to style) for each individual bar. The way to know the difference is
                     // to investgate the first element. If this element is an integer [0,255] then we assume it is an RGB
                     // triple.
                     $ng = count($this->plots[$j]->grad_fromcolor);
                     if ($ng === 3) {
                         if (is_numeric($this->plots[$j]->grad_fromcolor[0]) && $this->plots[$j]->grad_fromcolor[0] > 0 && $this->plots[$j]->grad_fromcolor[0] < 256) {
                             // RGB Triple
                             $fromcolor = $this->plots[$j]->grad_fromcolor;
                             $tocolor = $this->plots[$j]->grad_tocolor;
                             $style = $this->plots[$j]->grad_style;
                         } else {
                             $fromcolor = $this->plots[$j]->grad_fromcolor[$i % $ng][0];
                             $tocolor = $this->plots[$j]->grad_fromcolor[$i % $ng][1];
                             $style = $this->plots[$j]->grad_fromcolor[$i % $ng][2];
                         }
                     } else {
                         $fromcolor = $this->plots[$j]->grad_fromcolor[$i % $ng][0];
                         $tocolor = $this->plots[$j]->grad_fromcolor[$i % $ng][1];
                         $style = $this->plots[$j]->grad_fromcolor[$i % $ng][2];
                     }
                     $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $fromcolor, $tocolor, $style);
                 } else {
                     $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $this->plots[$j]->grad_fromcolor, $this->plots[$j]->grad_tocolor, $this->plots[$j]->grad_style);
                 }
             } else {
                 if (is_array($this->plots[$j]->fill_color)) {
                     $numcolors = count($this->plots[$j]->fill_color);
                     $fillcolor = $this->plots[$j]->fill_color[$i % $numcolors];
                     // If the bar is specified to be non filled then the fill color is false
                     if ($fillcolor !== false) {
                         $img->SetColor($this->plots[$j]->fill_color[$i % $numcolors]);
                     }
                 } else {
                     $fillcolor = $this->plots[$j]->fill_color;
                     if ($fillcolor !== false) {
                         $img->SetColor($this->plots[$j]->fill_color);
                     }
                 }
                 if ($fillcolor !== false) {
                     $img->FilledPolygon($pts);
                 }
             }
             $img->SetColor($this->plots[$j]->color);
             // Stroke the pattern
             if ($this->plots[$j]->iPattern > -1) {
                 if ($pattern === NULL) {
                     $pattern = new RectPatternFactory();
                 }
                 $prect = $pattern->Create($this->plots[$j]->iPattern, $this->plots[$j]->iPatternColor, 1);
                 $prect->SetDensity($this->plots[$j]->iPatternDensity);
                 if ($this->plots[$j]->coords[0][$i] < 0) {
                     $rx = $pts[0];
                     $ry = $pts[1];

 function Stroke(&$img, &$xscale, &$yscale)
 {
     $img->SetColor($this->color);
     $img->SetLineWeight($this->weight);
     $numbars = count($this->coords[0]);
     if ($yscale->scale[0] >= 0) {
         $zp = $yscale->scale_abs[0];
     } else {
         $zp = $yscale->Translate(0.0);
     }
     $abswidth = round($this->width * $xscale->scale_factor, 0);
     for ($i = 0; $i < $numbars; $i++) {
         $x = $xscale->Translate($i + 1);
         $pts = array($x, $zp, $x, $yscale->Translate($this->coords[0][$i]), $x + $abswidth, $yscale->Translate($this->coords[0][$i]), $x + $abswidth, $zp);
         if ($this->grad) {
             $grad = new Gradient($img);
             $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $this->grad_fromcolor, $this->grad_tocolor, $this->grad_style);
         } elseif ($this->fill_color) {
             $img->SetColor($this->fill_color);
             $img->FilledPolygon($pts, 4);
             $img->SetColor($this->color);
         }
         $img->Polygon($pts, 4);
     }
     return true;
 }

 function Stroke($aImg)
 {
     // Constant
     $fillBoxFrameWeight = 1;
     if ($this->hide) {
         return;
     }
     $aImg->SetFont($this->font_family, $this->font_style, $this->font_size);
     if ($this->reverse) {
         $this->txtcol = array_reverse($this->txtcol);
     }
     $n = count($this->txtcol);
     if ($n == 0) {
         return;
     }
     // Find out the max width and height of each column to be able
     // to size the legend box.
     $numcolumns = $n > $this->layout_n ? $this->layout_n : $n;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $colwidth[$i] = $aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_hsize;
         $colheight[$i] = 0;
     }
     // Find our maximum height in each row
     $rows = 0;
     $rowheight[0] = 0;
     for ($i = 0; $i < $n; ++$i) {
         $h = max($this->mark_abs_vsize, $aImg->GetTextHeight($this->txtcol[$i][0])) + $this->ylinespacing;
         // Makes sure we always have a minimum of 1/4 (1/2 on each side) of the mark as space
         // between two vertical legend entries
         //$h = round(max($h,$this->mark_abs_vsize+$this->ymargin));
         //echo "Textheight #$i: tetxheight=".$aImg->GetTextHeight($this->txtcol[$i][0]).', ';
         //echo "h=$h ({$this->mark_abs_vsize},{$this->ymargin})<br>";
         if ($i % $numcolumns == 0) {
             $rows++;
             $rowheight[$rows - 1] = 0;
         }
         $rowheight[$rows - 1] = max($rowheight[$rows - 1], $h) + 1;
     }
     $abs_height = 0;
     for ($i = 0; $i < $rows; ++$i) {
         $abs_height += $rowheight[$i];
     }
     // Make sure that the height is at least as high as mark size + ymargin
     $abs_height = max($abs_height, $this->mark_abs_vsize);
     $abs_height += $this->ybottom_margin;
     // Find out the maximum width in each column
     for ($i = $numcolumns; $i < $n; ++$i) {
         $colwidth[$i % $numcolumns] = max($aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_hsize, $colwidth[$i % $numcolumns]);
     }
     // Get the total width
     $mtw = 0;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $mtw += $colwidth[$i];
     }
     // remove the last rows interpace margin (since there is no next row)
     $abs_height -= $this->ylinespacing;
     // Find out maximum width we need for legend box
     $abs_width = $mtw + $this->xlmargin + ($numcolumns - 1) * $this->mark_abs_hsize;
     if ($this->xabspos === -1 && $this->yabspos === -1) {
         $this->xabspos = $this->xpos * $aImg->width;
         $this->yabspos = $this->ypos * $aImg->height;
     }
     // Positioning of the legend box
     if ($this->halign == 'left') {
         $xp = $this->xabspos;
     } elseif ($this->halign == 'center') {
         $xp = $this->xabspos - $abs_width / 2;
     } else {
         $xp = $aImg->width - $this->xabspos - $abs_width;
     }
     $yp = $this->yabspos;
     if ($this->valign == 'center') {
         $yp -= $abs_height / 2;
     } elseif ($this->valign == 'bottom') {
         $yp -= $abs_height;
     }
     // Stroke legend box
     $aImg->SetColor($this->color);
     $aImg->SetLineWeight($this->frameweight);
     $aImg->SetLineStyle('solid');
     if ($this->shadow) {
         $aImg->ShadowRectangle($xp, $yp, $xp + $abs_width + $this->shadow_width + 2, $yp + $abs_height + $this->shadow_width + 2, $this->fill_color, $this->shadow_width + 2, $this->shadow_color);
     } else {
         $aImg->SetColor($this->fill_color);
         $aImg->FilledRectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
         $aImg->SetColor($this->color);
         $aImg->Rectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
     }
     if ($this->bkg_gradtype >= 0) {
         $grad = new Gradient($aImg);
         $grad->FilledRectangle($xp + 1, $yp + 1, $xp + $abs_width - 3, $yp + $abs_height - 3, $this->bkg_gradfrom, $this->bkg_gradto, $this->bkg_gradtype);
     }
     // x1,y1 is the position for the legend marker + text
     // The vertical position is the baseline position for the text
     // and every marker is adjusted acording to that.
     // For multiline texts this get more complicated.
     $x1 = $xp + $this->xlmargin;
     $y1 = $yp + $rowheight[0] - $this->ylinespacing + 2;
     // The ymargin is included in rowheight
     // Now, y1 is the bottom vertical position of the first legend, i.e if
//.........这里部分代码省略.........

 function Stroke(&$img, &$xscale, &$yscale)
 {
     $img->SetLineWeight($this->weight);
     for ($i = 0; $i < $this->numpoints - 1; $i++) {
         $accy = 0;
         $accy_neg = 0;
         for ($j = 0; $j < $this->nbrplots; ++$j) {
             $img->SetColor($this->plots[$j]->color);
             if ($this->plots[$j]->coords[0][$i] > 0) {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy);
                 $accyt = $yscale->Translate($accy);
                 $accy += $this->plots[$j]->coords[0][$i];
             } else {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy_neg);
                 $accyt = $yscale->Translate($accy_neg);
                 $accy_neg += $this->plots[$j]->coords[0][$i];
             }
             $xt = $xscale->Translate($i);
             $abswidth = round($this->width * $xscale->scale_factor, 0);
             $pts = array($xt, $accyt, $xt, $yt, $xt + $abswidth, $yt, $xt + $abswidth, $accyt);
             if ($this->plots[$j]->grad) {
                 $grad = new Gradient($img);
                 $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $this->plots[$j]->grad_fromcolor, $this->plots[$j]->grad_tocolor, $this->plots[$j]->grad_style);
             } elseif ($this->plots[$j]->fill_color) {
                 $img->SetColor($this->plots[$j]->fill_color);
                 $img->FilledPolygon($pts, 4);
                 $img->SetColor($this->plots[$j]->color);
             }
             if ($this->bar_shadow) {
                 $ssh = $this->bar_shadow_hsize;
                 $ssv = $this->bar_shadow_vsize;
                 // Create points to create a "upper-right" shadow
                 $sp[0] = $pts[6];
                 $sp[1] = $pts[7];
                 $sp[2] = $pts[4];
                 $sp[3] = $pts[5];
                 $sp[4] = $pts[2];
                 $sp[5] = $pts[3];
                 $sp[6] = $pts[2] + $ssh;
                 $sp[7] = $pts[3] - $ssv;
                 $sp[8] = $pts[4] + $ssh;
                 $sp[9] = $pts[5] - $ssv;
                 $sp[10] = $pts[6] + $ssh;
                 $sp[11] = $pts[7] - $ssv;
                 $img->SetColor($this->bar_shadow_color);
                 $img->FilledPolygon($sp, 4);
             }
             if ($i < count($this->plots[$j]->csimtargets)) {
                 $this->csimareas .= "<area shape=\"rect\" coords=\"";
                 // Hmmm, this is fishy.  Fixes a bug in Opera whereby if Y2<Y1 or X2<X1 the csim doesn't work
                 // This means that the area MUST specify top left and bottom right corners
                 if ($pts[3] < $pts[7]) {
                     if ($pts[2] < $pts[6]) {
                         $this->csimareas .= "{$pts['2']}, {$pts['3']}, {$pts['6']}, {$pts['7']}\"";
                     } else {
                         $this->csimareas .= "{$pts['6']}, {$pts['3']}, {$pts['2']}, {$pts['7']}\"";
                     }
                 } else {
                     if ($pts[2] < $pts[6]) {
                         $this->csimareas .= "{$pts['2']}, {$pts['7']}, {$pts['6']}, {$pts['3']}\"";
                     } else {
                         $this->csimareas .= "{$pts['6']}, {$pts['7']}, {$pts['2']}, {$pts['3']}\"";
                     }
                 }
                 $this->csimareas .= " href=\"" . $this->plots[$j]->csimtargets[$i] . "\"";
                 if (!empty($this->plots[$j]->csimalts[$i])) {
                     $sval = sprintf($this->plots[$j]->csimalts[$i], $this->plots[$j]->coords[0][$i]);
                     $this->csimareas .= " alt=\"{$sval}\"";
                 }
                 $this->csimareas .= ">\r\n";
             }
             $img->Polygon($pts, 4);
         }
         $yt = $yscale->Translate($accy);
         if ($this->show_value) {
             $sval = sprintf($this->show_value_format, $accy);
             $txt = new Text($sval);
             $txt->SetFont($this->show_value_ff, $this->show_value_fs, $this->show_value_fsize);
             $txt->SetColor($this->show_value_color);
             $x = $pts[2] + ($pts[4] - $pts[2]) / 2;
             if ($this->bar_shadow) {
                 $x += $ssh;
             }
             $txt->Pos($x, $yt - $this->show_value_margin);
             $txt->Align("center", "bottom");
             $txt->SetOrientation($this->show_value_angle);
             $txt->Stroke($img);
         }
     }
     return true;
 }

 function Stroke(&$img, &$xscale, &$yscale)
 {
     $pattern = NULL;
     $img->SetLineWeight($this->weight);
     for ($i = 0; $i < $this->numpoints - 1; $i++) {
         $accy = 0;
         $accy_neg = 0;
         for ($j = 0; $j < $this->nbrplots; ++$j) {
             $img->SetColor($this->plots[$j]->color);
             if ($this->plots[$j]->coords[0][$i] >= 0) {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy);
                 $accyt = $yscale->Translate($accy);
                 $accy += $this->plots[$j]->coords[0][$i];
             } else {
                 $yt = $yscale->Translate($this->plots[$j]->coords[0][$i] + $accy_neg);
                 $accyt = $yscale->Translate($accy_neg);
                 $accy_neg += $this->plots[$j]->coords[0][$i];
             }
             $xt = $xscale->Translate($i);
             if ($this->abswidth > -1) {
                 $abswidth = $this->abswidth;
             } else {
                 $abswidth = round($this->width * $xscale->scale_factor, 0);
             }
             $pts = array($xt, $accyt, $xt, $yt, $xt + $abswidth, $yt, $xt + $abswidth, $accyt);
             if ($this->bar_shadow) {
                 $ssh = $this->bar_shadow_hsize;
                 $ssv = $this->bar_shadow_vsize;
                 if ($j === 0) {
                     $sp[0] = $pts[6] + 1;
                     $sp[1] = $pts[7];
                     $sp[2] = $pts[6] + $ssh;
                     $sp[3] = $pts[7] - $ssv;
                     $nsp[0] = $pts[0];
                     $nsp[1] = $pts[1];
                     $nsp[2] = $pts[0] + $ssh;
                     $nsp[3] = $pts[1] - $ssv;
                     $nsp[4] = $pts[6] + $ssh;
                     $nsp[5] = $pts[7] - $ssv;
                     $nsp[10] = $pts[6] + 1;
                     $nsp[11] = $pts[7];
                 }
                 if ($j === $this->nbrplots - 1) {
                     if (is_array($this->bar_shadow_color)) {
                         $numcolors = count($this->bar_shadow_color);
                         if ($numcolors == 0) {
                             JpGraphError::RaiseL(2013);
                         }
                         $img->PushColor($this->bar_shadow_color[$i % $numcolors]);
                     } else {
                         $img->PushColor($this->bar_shadow_color);
                     }
                     if ($accy > 0) {
                         $sp[4] = $pts[4] + $ssh;
                         $sp[5] = $pts[5] - $ssv;
                         $sp[6] = $pts[2] + $ssh;
                         $sp[7] = $pts[3] - $ssv;
                         $sp[8] = $pts[2];
                         $sp[9] = $pts[3] - 1;
                         $sp[10] = $pts[4] + 1;
                         $sp[11] = $pts[5];
                         $img->FilledPolygon($sp, 4);
                     } elseif ($accy_neg < 0) {
                         $nsp[6] = $pts[4] + $ssh;
                         $nsp[7] = $pts[5] - $ssv;
                         $nsp[8] = $pts[4] + 1;
                         $nsp[9] = $pts[5];
                         $img->FilledPolygon($nsp, 4);
                     }
                     $img->PopColor();
                 }
             }
             if ($this->plots[$j]->coords[0][$i] == 0) {
                 continue;
             }
             if ($this->plots[$j]->grad) {
                 $grad = new Gradient($img);
                 $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $this->plots[$j]->grad_fromcolor, $this->plots[$j]->grad_tocolor, $this->plots[$j]->grad_style);
             } else {
                 if (is_array($this->plots[$j]->fill_color)) {
                     $numcolors = count($this->plots[$j]->fill_color);
                     $fillcolor = $this->plots[$j]->fill_color[$i % $numcolors];
                     if ($fillcolor !== false) {
                         $img->SetColor($this->plots[$j]->fill_color[$i % $numcolors]);
                     }
                 } else {
                     $fillcolor = $this->plots[$j]->fill_color;
                     if ($fillcolor !== false) {
                         $img->SetColor($this->plots[$j]->fill_color);
                     }
                 }
                 if ($fillcolor !== false) {
                     $img->FilledPolygon($pts);
                 }
                 $img->SetColor($this->plots[$j]->color);
             }
             if ($this->plots[$j]->iPattern > -1) {
                 if ($pattern === NULL) {
                     $pattern = new RectPatternFactory();
                 }
//.........这里部分代码省略.........

 function Stroke(&$aImg)
 {
     $fillBoxFrameWeight = 1;
     if ($this->hide) {
         return;
     }
     $aImg->SetFont($this->font_family, $this->font_style, $this->font_size);
     if ($this->reverse) {
         $this->txtcol = array_reverse($this->txtcol);
     }
     $n = count($this->txtcol);
     if ($n == 0) {
         return;
     }
     $numcolumns = $n > $this->layout_n ? $this->layout_n : $n;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $colwidth[$i] = $aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_hsize;
         $colheight[$i] = 0;
     }
     $rows = 0;
     $rowheight[0] = 0;
     for ($i = 0; $i < $n; ++$i) {
         $h = max($this->mark_abs_vsize, $aImg->GetTextHeight($this->txtcol[$i][0])) + $this->ymargin;
         if ($i % $numcolumns == 0) {
             $rows++;
             $rowheight[$rows - 1] = 0;
         }
         $rowheight[$rows - 1] = max($rowheight[$rows - 1], $h);
     }
     $abs_height = 0;
     for ($i = 0; $i < $rows; ++$i) {
         $abs_height += $rowheight[$i];
     }
     $abs_height = max($abs_height, $this->mark_abs_vsize);
     $abs_height += $this->ymargin + 3;
     for ($i = $numcolumns; $i < $n; ++$i) {
         $colwidth[$i % $numcolumns] = max($aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_hsize, $colwidth[$i % $numcolumns]);
     }
     $mtw = 0;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $mtw += $colwidth[$i];
     }
     $abs_width = $mtw + $this->xlmargin;
     if ($this->xabspos === -1 && $this->yabspos === -1) {
         $this->xabspos = $this->xpos * $aImg->width;
         $this->yabspos = $this->ypos * $aImg->height;
     }
     if ($this->halign == "left") {
         $xp = $this->xabspos;
     } elseif ($this->halign == "center") {
         $xp = $this->xabspos - $abs_width / 2;
     } else {
         $xp = $aImg->width - $this->xabspos - $abs_width;
     }
     $yp = $this->yabspos;
     if ($this->valign == "center") {
         $yp -= $abs_height / 2;
     } elseif ($this->valign == "bottom") {
         $yp -= $abs_height;
     }
     $aImg->SetColor($this->color);
     $aImg->SetLineWeight($this->frameweight);
     $aImg->SetLineStyle('solid');
     if ($this->shadow) {
         $aImg->ShadowRectangle($xp, $yp, $xp + $abs_width + $this->shadow_width, $yp + $abs_height + $this->shadow_width, $this->fill_color, $this->shadow_width, $this->shadow_color);
     } else {
         $aImg->SetColor($this->fill_color);
         $aImg->FilledRectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
         $aImg->SetColor($this->color);
         $aImg->Rectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
     }
     $x1 = $xp + $this->mark_abs_hsize + $this->xlmargin;
     $y1 = $yp + $this->ymargin;
     $f2 = round($aImg->GetTextHeight('X') / 2);
     $grad = new Gradient($aImg);
     $patternFactory = null;
     $i = 1;
     $row = 0;
     foreach ($this->txtcol as $p) {
         if (_JPG_DEBUG) {
             $aImg->SetLineWeight(1);
             $aImg->SetColor('red');
             $aImg->SetLineStyle('solid');
             $aImg->Rectangle($xp, $y1, $xp + $abs_width, $y1 + $rowheight[$row]);
         }
         $aImg->SetLineWeight($this->weight);
         $x1 = round($x1);
         $y1 = round($y1);
         if ($p[2] && $p[2]->GetType() > -1) {
             $aImg->SetColor($p[1]);
             if (is_string($p[3]) || $p[3] > 0) {
                 $aImg->SetLineStyle($p[3]);
                 $aImg->StyleLine($x1 - $this->mark_abs_hsize, $y1 + $f2, $x1 + $this->mark_abs_hsize, $y1 + $f2);
             }
             if ($p[2]->GetType() != MARK_IMG) {
                 $p[2]->iFormatCallback = '';
                 $p[2]->iFormatCallback2 = '';
                 if ($p[2]->GetType() == MARK_FILLEDCIRCLE || $p[2]->GetType() == MARK_CIRCLE) {
                     $p[2]->SetSize(min($this->mark_abs_vsize, $this->mark_abs_hsize) / 2);
                     $p[2]->Stroke($aImg, $x1, $y1 + $f2);
//.........这里部分代码省略.........

 function Stroke($img, $xscale, $yscale)
 {
     $numpoints = count($this->coords[0]);
     if (isset($this->coords[1])) {
         if (count($this->coords[1]) != $numpoints) {
             JpGraphError::RaiseL(2003, count($this->coords[1]), $numpoints);
             //"Number of X and Y points are not equal. Number of X-points:".count($this->coords[1])."Number of Y-points:$numpoints");
         } else {
             $exist_x = true;
         }
     } else {
         $exist_x = false;
     }
     $numbars = count($this->coords[0]);
     // Use GetMinVal() instead of scale[0] directly since in the case
     // of log scale we get a correct value. Log scales will have negative
     // values for values < 1 while still not representing negative numbers.
     if ($yscale->GetMinVal() >= 0) {
         $zp = $yscale->scale_abs[0];
     } else {
         $zp = $yscale->Translate(0);
     }
     if ($this->abswidth > -1) {
         $abswidth = $this->abswidth;
     } else {
         $abswidth = round($this->width * $xscale->scale_factor, 0);
     }
     // Count pontetial pattern array to avoid doing the count for each iteration
     if (is_array($this->iPattern)) {
         $np = count($this->iPattern);
     }
     $grad = null;
     for ($i = 0; $i < $numbars; ++$i) {
         // If value is NULL, or 0 then don't draw a bar at all
         if ($this->coords[0][$i] === null || $this->coords[0][$i] === '') {
             continue;
         }
         if ($exist_x) {
             $x = $this->coords[1][$i];
         } else {
             $x = $i;
         }
         $x = $xscale->Translate($x);
         // Comment Note: This confuses the positioning when using acc together with
         // grouped bars. Workaround for fixing #191
         /*
         if( !$xscale->textscale ) {
         if($this->align=="center")
         $x -= $abswidth/2;
         elseif($this->align=="right")
         $x -= $abswidth;
         }
         */
         // Stroke fill color and fill gradient
         $pts = array($x, $zp, $x, $yscale->Translate($this->coords[0][$i]), $x + $abswidth, $yscale->Translate($this->coords[0][$i]), $x + $abswidth, $zp);
         if ($this->grad) {
             if ($grad === null) {
                 $grad = new Gradient($img);
             }
             if (is_array($this->grad_fromcolor)) {
                 // The first argument (grad_fromcolor) can be either an array or a single color. If it is an array
                 // then we have two choices. It can either a) be a single color specified as an RGB triple or it can be
                 // an array to specify both (from, to style) for each individual bar. The way to know the difference is
                 // to investgate the first element. If this element is an integer [0,255] then we assume it is an RGB
                 // triple.
                 $ng = count($this->grad_fromcolor);
                 if ($ng === 3) {
                     if (is_numeric($this->grad_fromcolor[0]) && $this->grad_fromcolor[0] > 0 && $this->grad_fromcolor[0] < 256) {
                         // RGB Triple
                         $fromcolor = $this->grad_fromcolor;
                         $tocolor = $this->grad_tocolor;
                         $style = $this->grad_style;
                     } else {
                         $fromcolor = $this->grad_fromcolor[$i % $ng][0];
                         $tocolor = $this->grad_fromcolor[$i % $ng][1];
                         $style = $this->grad_fromcolor[$i % $ng][2];
                     }
                 } else {
                     $fromcolor = $this->grad_fromcolor[$i % $ng][0];
                     $tocolor = $this->grad_fromcolor[$i % $ng][1];
                     $style = $this->grad_fromcolor[$i % $ng][2];
                 }
                 $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $fromcolor, $tocolor, $style);
             } else {
                 $grad->FilledRectangle($pts[2], $pts[3], $pts[6], $pts[7], $this->grad_fromcolor, $this->grad_tocolor, $this->grad_style);
             }
         } elseif (!empty($this->fill_color)) {
             if (is_array($this->fill_color)) {
                 $img->PushColor($this->fill_color[$i % count($this->fill_color)]);
             } else {
                 $img->PushColor($this->fill_color);
             }
             $img->FilledPolygon($pts);
             $img->PopColor();
         }
         /////////////////////////kokorahen rectangle polygon//////////////////////
         // Remember value of this bar
         $val = $this->coords[0][$i];
         if (!empty($val) && !is_numeric($val)) {
             JpGraphError::RaiseL(2004, $i, $val);
//.........这里部分代码省略.........

 function Stroke(&$aImg)
 {
     if ($this->hide) {
         return;
     }
     $aImg->SetFont($this->font_family, $this->font_style, $this->font_size);
     $n = count($this->txtcol);
     if ($n == 0) {
         return;
     }
     // Find out the max width and height of each column to be able
     // to size the legend box.
     $numcolumns = $n > $this->layout_n ? $this->layout_n : $n;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $colwidth[$i] = $aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_size;
         $colheight[$i] = 0;
     }
     // Find our maximum height in each row
     $rows = -1;
     for ($i = 0; $i < $n; ++$i) {
         $h = max($this->mark_abs_size, $aImg->GetTextHeight($this->txtcol[$i][0])) + $this->ymargin;
         if ($i % $numcolumns == 0) {
             $rows++;
             $rowheight[$rows] = 0;
         }
         $rowheight[$rows] = max($rowheight[$rows], $h);
     }
     $abs_height = 0;
     for ($i = 0; $i <= $rows; ++$i) {
         $abs_height += $rowheight[$i];
     }
     // Make damn sure that the height is at least as high as mark size + ymargin
     $abs_height = max($abs_height, $this->mark_abs_size + $this->ymargin);
     $abs_height += 2 * $this->ymargin;
     // Find out the maximum width in each column
     for ($i = $numcolumns; $i < $n; ++$i) {
         $colwidth[$i % $numcolumns] = max($aImg->GetTextWidth($this->txtcol[$i][0]) + 2 * $this->xmargin + 2 * $this->mark_abs_size, $colwidth[$i % $numcolumns]);
     }
     // Get the total width
     $mtw = 0;
     for ($i = 0; $i < $numcolumns; ++$i) {
         $mtw += $colwidth[$i];
     }
     // Find out maximum width we need for legend box
     $abs_width = $mtw + $this->xmargin;
     if ($this->xabspos === -1 && $this->yabspos === -1) {
         $this->xabspos = $this->xpos * $aImg->width;
         $this->yabspos = $this->ypos * $aImg->height;
     }
     // Positioning of the legend box
     if ($this->halign == "left") {
         $xp = $this->xabspos;
     } elseif ($this->halign == "center") {
         $xp = $this->xabspos - $abs_width / 2;
     } else {
         $xp = $aImg->width - $this->xabspos - $abs_width;
     }
     $yp = $this->yabspos;
     if ($this->valign == "center") {
         $yp -= $abs_height / 2;
     } elseif ($this->valign == "bottom") {
         $yp -= $abs_height;
     }
     // Stroke legend box
     $aImg->SetColor($this->color);
     $aImg->SetLineWeight($this->frameweight);
     if ($this->shadow) {
         $aImg->ShadowRectangle($xp, $yp, $xp + $abs_width + $this->shadow_width, $yp + $abs_height + $this->shadow_width, $this->fill_color, $this->shadow_width, $this->shadow_color);
     } else {
         $aImg->SetColor($this->fill_color);
         $aImg->FilledRectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
         $aImg->SetColor($this->color);
         $aImg->Rectangle($xp, $yp, $xp + $abs_width, $yp + $abs_height);
     }
     // x1,y1 is the position for the legend mark
     $aImg->SetLineWeight($this->weight);
     $x1 = $xp + $this->mark_abs_size / 2 + 3;
     $y1 = $yp + $this->mark_abs_size / 2 + $this->ymargin / 2;
     $f2 = round($aImg->GetTextHeight('X') / 2);
     $grad = new Gradient($aImg);
     // Now stroke each legend in turn
     $i = 1;
     $row = 0;
     foreach ($this->txtcol as $p) {
         $x1 = round($x1);
         $y1 = round($y1);
         if ($p[2] != "" && $p[2]->GetType() > -1) {
             // Make a plot mark legend
             $aImg->SetColor($p[1]);
             if ($p[3] > 0) {
                 $aImg->SetLineStyle($p[3]);
                 $aImg->StyleLine($x1 - 3, $y1 + $f2, $x1 + $this->mark_abs_size + 3, $y1 + $f2);
             }
             // Stroke a mark with the standard size
             // (As long as it is not an image mark )
             if ($p[2]->GetType() != MARK_IMG) {
                 $p[2]->iFormatCallback = '';
                 if ($this->mark_abs_size === _DEFAULT_LPM_SIZE) {
                     $p[2]->SetDefaultWidth();
                 } else {
//.........这里部分代码省略.........