graph : display correctly the fist label of Y axis if there is no title

git-svn-id: https://svn.fournier38.fr/svn/ProgSVN/trunk@3356 bf3deb0d-5f1a-0410-827f-c0cc1f45334c

graph.php

@@ -174,7 +174,7 @@ class graph
 
   /** Draw the graph to the screen with the previous defined parameters
     */
-  public function drawImage ()
+  private function drawReal ()
   {
     // Read the data
     $series = $this->data->getSeries ();
@@ -318,6 +318,11 @@ class graph
     // Add the legend on right
     $free = $this->legend->draw ($gd, $free, $this->series);
 
+    // If there is no title, add an offset of 10px to display correctely the
+    // first label of the Y axis
+    if ($free[1] === 0)
+      $free[1] = 10;
+
     // Add the axis
     // Need two passes as the X axis can modify the Y axes
     $this->axisX->top ($free[1]);
@@ -356,18 +361,25 @@ class graph
                     $this->axisX, $this->axisY2);
     }
     $free = $lastFree;
-    header ('Content-Type: image/png');
     imagepng ($gd);
     imagedestroy ($gd);
   }
 
+  /** Draw the graph to the screen with the previous defined parameters
+    */
+  public function drawImage ()
+  {
+    header ('Content-Type: image/png');
+    $this->drawReal ();
+  }
+
   /** Return the image coded in base64
     * @return string The base64 string
     */
   public function drawBase64 ()
   {
     ob_start ();
-    $this->drawImage ();
+    $this->drawReal ();
     return base64_encode (ob_get_clean());
   }
 }
@@ -615,7 +627,7 @@ class graphSerie
       return $this->style;
     }
     if (! is_string ($style) ||
-        ! in_array ($style, array ("line")))
+        ! in_array ($style, array ("line", "points", "linePoints")))
       throw new \Exception (dgettext ("domframework",
         "Invalid style provided to serie"), 406);
     $styleClass = "graphStyle".$style;