PHP pChart::drawFlatPieGraphWithShadow方法代码示例

 /**
  * Draw pie chart
  * @return unknown
  */
 protected function drawPie()
 {
     // prepare font & series
     $this->_prepareSerie();
     $this->_prepareFont();
     // init chart params
     $outer_w = $this->w - 5;
     // Outer frame witdh
     $outer_h = $this->h - 5;
     // Outer frame heigth
     $inner_w = $this->w - 7;
     // Inner frame witdh
     $inner_h = $this->h - 7;
     // Inner frame heigth
     $pie_x = intval(($this->w - 150) / 2);
     // Pie witdh
     $pie_y = intval(($this->h - 10) / 2);
     // Pie heigth
     $pie_r = intval($pie_x - 50);
     // Pie radius
     $title_w = $this->w - 200;
     // Title width
     $title_h = 50;
     // Title height
     $legend_w = $this->w - 120;
     // Legend width
     $legend_h = 50;
     // Legend height
     // chart styles
     $flat = isset($this->p['flat']) ? $this->p['flat'] : false;
     // fill chart
     $this->chart->drawBackground(255, 255, 255);
     $this->chart->setFontProperties($this->font, 7);
     // set font and size
     $this->chart->drawRoundedRectangle(5, 5, $outer_w, $outer_h, 10, 230, 230, 230);
     // drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
     $this->chart->drawFilledRoundedRectangle(7, 7, $inner_w, $inner_h, 10, 240, 240, 240);
     // drawRoundedRectangle($X1,$Y1,$X2,$Y2,$Radius,$R,$G,$B)
     // draw the pie chart
     $this->chart->setFontProperties($this->font, 8);
     // flat pie
     if ($flat) {
         $this->chart->drawFlatPieGraphWithShadow($this->data->GetData(), $this->data->GetDataDescription(), $pie_x, $pie_y, $pie_r, PIE_PERCENTAGE, 10);
         // 3d pie
     } else {
         $this->chart->drawPieGraph($this->data->GetData(), $this->data->GetDataDescription(), $pie_x, $pie_y, $pie_r, PIE_PERCENTAGE, TRUE, 50, 20, 5, 1);
     }
     $this->chart->drawPieLegend($legend_w, $legend_h, $this->data->GetData(), $this->data->GetDataDescription(), 250, 250, 250);
     // add title
     $this->chart->setFontProperties($this->font, 10);
     $this->chart->drawTitle(40, 0, $this->title, 50, 50, 50, $title_w, $title_h);
     // drawTitle($XPos,$YPos,$Value,$R,$G,$B,$XPos2=-1,$YPos2=-1,$Shadow=FALSE)
 }

 function pie($valores, $label, $titulo)
 {
     $nombre = tempnam('/tmp', 'g') . '.png';
     $DataSet = new pData();
     $DataSet->AddPoint($valores, 'Serie1');
     $DataSet->AddPoint($label, 'Serie2');
     $DataSet->AddAllSeries();
     $DataSet->SetAbsciseLabelSerie('Serie2');
     $Test = new pChart(300, 200);
     $Test->setFontProperties(APPPATH . 'libraries/pChart/Fonts/tahoma.ttf', 8);
     $Test->drawFilledRoundedRectangle(7, 7, 293, 193, 5, 240, 240, 240);
     $Test->drawRoundedRectangle(5, 5, 295, 195, 5, 230, 230, 230);
     $Test->AntialiasQuality = 0;
     $Test->setShadowProperties(2, 2, 200, 200, 200);
     $Test->drawFlatPieGraphWithShadow($DataSet->GetData(), $DataSet->GetDataDescription(), 120, 110, 60, PIE_PERCENTAGE, 8);
     $Test->clearShadow();
     $Test->drawPieLegend(210, 30, $DataSet->GetData(), $DataSet->GetDataDescription(), 250, 250, 250);
     $Test->drawTitle(10, 22, $titulo, 50, 50, 50, 300);
     $Test->Render($nombre);
     return $nombre;
 }

<?php

/*
    Example13: A 2D exploded pie graph
*/
// Standard inclusions
include "pChart/pData.class";
include "pChart/pChart.class";
// Dataset definition
$DataSet = new pData();
$DataSet->AddPoint(array(10, 2, 3, 5, 3), "Serie1");
$DataSet->AddPoint(array("Jan", "Feb", "Mar", "Apr", "May"), "Serie2");
$DataSet->AddAllSeries();
$DataSet->SetAbsciseLabelSerie("Serie2");
// Initialise the graph
$Test = new pChart(300, 200);
$Test->setFontProperties("Fonts/tahoma.ttf", 8);
$Test->drawFilledRoundedRectangle(7, 7, 293, 193, 5, 240, 240, 240);
$Test->drawRoundedRectangle(5, 5, 295, 195, 5, 230, 230, 230);
// Draw the pie chart
$Test->AntialiasQuality = 0;
$Test->setShadowProperties(2, 2, 200, 200, 200);
$Test->drawFlatPieGraphWithShadow($DataSet->GetData(), $DataSet->GetDataDescription(), 120, 100, 60, PIE_PERCENTAGE, 8);
$Test->clearShadow();
$Test->drawPieLegend(230, 15, $DataSet->GetData(), $DataSet->GetDataDescription(), 250, 250, 250);
$Test->Render("example13.png");

$Test->setGraphArea(0, 0, $w, $h);
//---------------------------- Set background graphics (R,G,G,1/Y)
if ($bg_r != 0 && $bg_g != 0 && $bg_b != 0) {
    $Test->drawGraphAreaGradient($bg_r, $bg_g, $bg_b, 5);
}
//---------------------------- Calc center
$midX = $w / 2;
$midY = $h / 2;
//---------------------------- Draw pie
if ($_GET['gtype'] == 'pie') {
    $Test->drawBasicPieGraph($DataSet->GetData(), $DataSet->GetDataDescription(), $midX, $midY, $radius, PIE_PERCENTAGE_LABEL, $cbg, $cbg, $cbg, 1);
} elseif ($_GET['gtype'] == 'pie2') {
    $Test->drawFlatPieGraph($DataSet->GetData(), $DataSet->GetDataDescription(), $midX, $midY, $radius, PIE_PERCENTAGE_LABEL, 5, 1);
} elseif ($_GET['gtype'] == 'pie3') {
    $Test->setShadowProperties(3, 3, $csh, $csh, $csh, 90);
    $Test->drawFlatPieGraphWithShadow($DataSet->GetData(), $DataSet->GetDataDescription(), $midX, $midY, $radius, PIE_PERCENTAGE_LABEL, 5, 1);
} elseif ($_GET['gtype'] == 'pie4') {
    $Test->drawPieGraph($DataSet->GetData(), $DataSet->GetDataDescription(), $midX, $midY, $radius, PIE_PERCENTAGE_LABEL, TRUE, 60, 20, 5, 1);
} else {
    //
}
//---------------------------- Border
if ($_GET['border'] == '1') {
    $Test->AddBorder(1, 200, 200, 200);
}
//---------------------------- Image PNG
Header("Content-type:image/png");
imagepng($Test->Picture);
//$Test->Render();
//---------------------------- Disconnect
$db->Disconnect();

//.........这里部分代码省略.........
         $labelWidth = 0;
         $labelHeight = 0;
     }
     // Calculate  pie size based on fontsize radius and skew
     $Position = imageftbbox($PieFontSize, 0, $PieFontName, '199%');
     $pieWidth = ($Position[2] - $Position[0]) * 2 + $r * 2;
     $sin = $Skew != 90 ? abs(sin(deg2rad($Skew))) : 1;
     // if skewed the height goes with sin($skew)
     $SpliceHeight = $Skew != 90 ? $settings['SpliceHeight'] : 0;
     // if skewed add the SpliceHeight
     $SpliceDistance = $settings['SpliceDistance'] * 2 + 30;
     $pieHeight = intval(($Position[1] - $Position[7]) * 2 + $r * 2 * $sin + $SpliceHeight);
     $h = intval($pieHeight + $SpliceDistance * $sin);
     // Img Height
     $y = intval(($pieHeight - $SpliceHeight) / 2 + $SpliceDistance / 2);
     // center y pos
     $x = intval($pieWidth / 2) + $SpliceDistance / 2;
     // center x pos
     $w = $x * 2 + ($legendW > $labelWidth ? $legendW : $labelWidth) + 10;
     if ($titleWidth > $w) {
         $w = $titleWidth;
     }
     $h2 = $labelHeight + $titleHeight + $TextHeight + 60;
     // If the legend has big height
     if ($h2 > $h) {
         $h = $h2;
     }
     //Add pixels for the title
     $h = $h + $titleHeight + 10;
     // Real height
     $y = $y + $titleHeight + 10;
     // Real center y
     // Dataset definition
     $DataSet = new pData();
     $DataSet->AddPoint($percents, "Serie1");
     $DataSet->AddPoint($legend, "Serie2");
     $DataSet->AddAllSeries();
     $DataSet->SetAbsciseLabelSerie("Serie2");
     // Initialise the graph
     $Test = new pChart($w, $h);
     $red = $settings['ImgR'];
     $g = $settings['ImgG'];
     $b = $settings['ImgB'];
     $Test->drawFilledRoundedRectangle(7, 7, $w - 7, $h - 7, 5, $red, $g, $b);
     $red = $settings['BorderR'];
     $g = $settings['BorderG'];
     $b = $settings['BorderB'];
     $Test->drawRoundedRectangle(5, 5, $w - 5, $h - 5, 5, $red, $g, $b);
     // Draw the pie chart
     $Test->setFontProperties($PieFontName, $PieFontSize);
     if ($Skew != 90) {
         $Test->drawPieGraph($DataSet->GetData(), $DataSet->GetDataDescription(), $x, $y, $r, PIE_PERCENTAGE, TRUE, $Skew, $settings['SpliceHeight'], $settings['SpliceDistance']);
     } else {
         if ($settings['SpliceDistance'] == 0) {
             $Test->drawFilledCircle($x + 2, $y + 2, $r, 0, 0, 0);
             // This will draw a shadow under the pie chart
             $Test->drawBasicPieGraph($DataSet->GetData(), $DataSet->GetDataDescription(), $x, $y, $r, PIE_PERCENTAGE, 255, 255, 218);
         } else {
             $Test->setShadowProperties(2, 2, 200, 200, 200);
             $Test->drawFlatPieGraphWithShadow($DataSet->GetData(), $DataSet->GetDataDescription(), $x, $y, $r, PIE_PERCENTAGE, $settings['SpliceDistance']);
         }
     }
     // Draw the legend
     $x1 = $x * 2 - 5;
     $r = $settings['LegendR'];
     $g = $settings['LegendG'];
     $b = $settings['LegendB'];
     $Test->setFontProperties($LegendFontName, $LegendFontSize);
     $Test->drawPieLegend($x1, $titleHeight + 30, $DataSet->GetData(), $DataSet->GetDataDescription(), $r, $g, $b);
     //Draw the title
     if (strlen($title) > 0) {
         $Test->setFontProperties($TitleFontName, $TitleFontSize);
         $r = $settings['TitleFGR'];
         $g = $settings['TitleFGG'];
         $b = $settings['TitleFGB'];
         $r1 = $settings['TitleBGR'];
         $g1 = $settings['TitleBGG'];
         $b1 = $settings['TitleBGB'];
         $Test->drawTextBox(6, 6, $w - 5, $titleHeight + 10, $title, 0, $r, $g, $b, ALIGN_CENTER, FALSE, $r1, $g1, $b1, 50);
     }
     if (strlen($bottom_label) > 0) {
         $Test->setFontProperties($LabelFontName, $LabelFontSize);
         $r = $settings['LabelFGR'];
         $g = $settings['LabelFGG'];
         $b = $settings['LabelFGB'];
         $r1 = $settings['LabelBGR'];
         $g1 = $settings['LabelBGG'];
         $b1 = $settings['LabelBGB'];
         $x1 = $x * 2 - 10;
         $Test->drawTextBox($x1, $h - $labelHeight - 15, $w - 10, $h - 10, $bottom_label, 0, $r, $g, $b, ALIGN_CENTER, FALSE, $r1, $g1, $b1, 20);
     }
     if (strlen($imgname)) {
         $imgname = $this->_img_path . "/" . $imgname;
     } else {
         $this->obj->load->helper('string');
         $imgname = $this->_img_path . "/pie-" . random_string('alnum', 16) . ".png";
     }
     $Test->Render($imgname);
     return array("name" => '/' . $imgname, "w" => $w, "h" => $h);
 }