first commit

methode/treemap/inc/treemap.php

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+<?php
+
+use codeagent\treemap\Treemap;
+use codeagent\treemap\presenter\ImagePresenter;
+use codeagent\treemap\presenter\NodeInfo;
+use codeagent\treemap\Gradient;
+
+// ---
+// --- Local fonctions
+// ---
+function rgb2hex($rgb) {
+   $hex = "#";
+   $hex .= str_pad(dechex($rgb[0]), 2, "0", STR_PAD_LEFT);
+   $hex .= str_pad(dechex($rgb[1]), 2, "0", STR_PAD_LEFT);
+   $hex .= str_pad(dechex($rgb[2]), 2, "0", STR_PAD_LEFT);
+
+   return $hex; // returns the hex value including the number sign (#)
+}
+
+function hex2rgb($color){
+    $color = str_replace('#', '', $color);
+    if (strlen($color) != 6){ return array(0,0,0); }
+    $rgb = array();
+    for ($x=0;$x<3;$x++){
+        $rgb[$x] = hexdec(substr($color,(2*$x),2));
+    }
+    return $rgb;
+}
+
+class topisto_treemap
+{
+  private static function getRGB($methode, $gradient, $factor)
+  {
+    switch($methode)
+    {
+      case 0:
+        $rgb = [rand(0,255),rand(0,255),rand(0,255)];
+        break;
+
+      case 1:
+        $rgb = [80,80,80];
+        break;
+
+      case 2:
+        $factor=rand(0,100);
+        $rgb = [255,255,255];
+        if ($factor < 50 ) $rgb = [255,0,0];
+        if ($factor < 25 ) $rgb = [0,0,255];
+        if ($factor < 10 ) $rgb = [255,255,0];
+        break;
+
+      case 3:
+        $rgb  = hex2rgb($gradient[1]->color($factor));
+        break;
+
+      case 4:
+        $rgb  = hex2rgb($gradient[2]->color($factor));
+        break;
+
+      case 999:
+        $rgb  = hex2rgb($gradient[3]->color($factor));
+        break;
+
+      default:  
+        $rgb  = hex2rgb($gradient[0]->color($factor));
+    }
+
+    return $rgb;
+  }
+
+  public static function DrawBlock($the_block, $vImage, $x, $y, $width, $height, $methode, $type=1)
+  {
+    $full_area = $width * $height;
+    if ($full_area == 0) $full_area = 1;
+
+    $data = blockchain::getTransactionData($the_block, $type);
+
+    $vBgColor = imagecolorallocate($vImage, 10, 10, 10);
+    imagefilledrectangle($vImage, $x, $y, $x+$width, $y+$height, $vBgColor);
+
+    // quelques gradient de couleurs ...
+    $rgb1 = [rand(0,255),rand(0,255),rand(0,255)];
+    $rgb2 = [rand(0,255),rand(0,255),rand(0,255)];
+
+    $gradient   = [];
+    $gradient[] = new Gradient(['0.0' => '#f75557', '0.5' => '#646a82', '1.0' => '#5ad87b']);
+    $gradient[] = new Gradient(['0.0' => '#FF69B4', '1.0' => '#FF5555']);
+    $gradient[] = new Gradient(['0.0' => rgb2hex($rgb1), '1.0' => rgb2hex($rgb2)]);
+    $gradient[] = new Gradient(['0.0' => '#FFFFFF', '1.0' => '#000000']);
+
+    if ($type == 4)
+    {
+      // Cas particulier pour la récompense
+      $reward = 0;
+      foreach($data as $v) $reward += $v['value'];
+      $pct = $reward / 5000000000.0;
+      $w  = round($width * $pct);
+      $h  = round($height * $pct);
+      $x1 = $x + (($width/2) - ($w /2));
+      $y1 = $y + (($height/2) - ($h /2));
+      $rgb = self::getRGB($methode, $gradient, $pct*100);
+      $vFgColor = imagecolorallocate($vImage, $rgb[0], $rgb[1], $rgb[2]);
+      $rgb = self::getRGB(999, $gradient, $pct*100);
+      $vBgColor = imagecolorallocate($vImage, $rgb[0], $rgb[1], $rgb[2]);
+      if (($h < 2)&&($w< 2))
+      {
+        imagesetpixel($vImage, $x1, $y1, $vFgColor);
+      } else {
+       $x2 = $x1 + $w;
+       $y2 = $y1 + $h;
+       imagefilledrectangle($vImage, $x1, $y1, $x2, $y2, $vFgColor);
+       imagerectangle($vImage, $x1, $y1, $x2, $y2, $vBgColor);
+      }
+    } else {
+      $treemap = new Treemap($data, $width, $height);
+      $map = $treemap->getMap();
+      $m = count($map);
+      $flag_contour = true;
+      for($mm = 0; $mm < $m; $mm++)
+      {
+        $tx     = $map[$mm];
+        $factor = (($tx['_rectangle']->width * $tx['_rectangle']->height) / $full_area)*100.0;
+
+        $x1 = $x + $tx['_rectangle']->left;
+        $y1 = $y + $tx['_rectangle']->top;
+
+        // if (($x1 == ($x+$width))||($x1 == ($y+$height))) break;
+      
+        $rgb = self::getRGB($methode, $gradient, $factor);
+        // Pas de noir absolu
+        if (($rgb[0]+$rgb[1]+$rgb[2]) == 0)
+          $vFgColor = imagecolorallocate($vImage, 10, 10, 10);
+        else
+          $vFgColor = imagecolorallocate($vImage, $rgb[0], $rgb[1], $rgb[2]);
+
+        $rgb = self::getRGB(999, $gradient, $factor);
+        $vBgColor = imagecolorallocate($vImage, $rgb[0], $rgb[1], $rgb[2]);
+
+        $x2 = $x1 + $tx['_rectangle']->width;
+        $y2 = $y1 + $tx['_rectangle']->height;
+
+        if ($x1 > ($x+$width))  $x1 = ($x+$width);
+        if ($y1 > ($y+$height)) $y1 = ($y+$height);
+        if ($x2 > ($x+$width))  $x2 = ($x+$width);
+        if ($y2 > ($y+$height)) $y2 = ($y+$height);
+
+        imagefilledrectangle($vImage, $x1, $y1, $x2, $y2, $vFgColor);
+        if ((($x2-$x1) > 2)||(($y2-$y1) > 2)) 
+          imagerectangle($vImage, $x1, $y1, $x2, $y2, $vBgColor);
+      
+      }
+    }
+  }
+}
+
+?>