From 5e271907b35ef12b169b093a2f27d1a3e21bc5de Mon Sep 17 00:00:00 2001
From: Aaron Parecki <aaron@parecki.com>
Date: Sat, 4 Jun 2022 08:24:59 -0700
Subject: [PATCH] fix error handling when there is a problem downloading a tile

for #9
---
 p3k/geo/StaticMap.php | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/p3k/geo/StaticMap.php b/p3k/geo/StaticMap.php
index 4700565..3ca4621 100644
--- a/p3k/geo/StaticMap.php
+++ b/p3k/geo/StaticMap.php
@@ -352,9 +352,8 @@ function generate($params, $filename, $assetPath) {
   foreach($chs as $x=>$yTiles) {
     foreach($yTiles as $y=>$ch) {
       $content = curl_multi_getcontent($ch);
-      if($content)
-        $tiles[$x][$y] = @imagecreatefromstring($content);
-      else
+      $tiles[$x][$y] = @imagecreatefromstring($content);
+      if(!$tiles[$x][$y])
         $tiles[$x][$y] = $blank;
     }
   }
@@ -363,9 +362,8 @@ function generate($params, $filename, $assetPath) {
     foreach($ochs as $x=>$yTiles) {
       foreach($yTiles as $y=>$ch) {
         $content = curl_multi_getcontent($ch);
-        if($content)
-          $overlays[$x][$y] = @imagecreatefromstring($content);
-        else
+        $overlays[$x][$y] = @imagecreatefromstring($content);
+        if(!$overlays[$x][$y])
           $overlays[$x][$y] = $blank;
       }
     }