From 4ab00e3644a78fec742657d46f94421eb85d086f Mon Sep 17 00:00:00 2001
From: Duan Yao <duanyao@ustc.edu>
Date: Tue, 17 Jun 2014 17:33:37 +0800
Subject: [PATCH] Add check of nullptr to fallback_bg_renderer; remove outdated
 comment.

---
 src/HTMLRenderer/general.cc | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/src/HTMLRenderer/general.cc b/src/HTMLRenderer/general.cc
index 9d24c60..a2be519 100644
--- a/src/HTMLRenderer/general.cc
+++ b/src/HTMLRenderer/general.cc
@@ -142,9 +142,6 @@ void HTMLRenderer::process(PDFDoc *doc)
             cur_page_filename = filled_template_filename;
         }
 
-        // We handle covered texts during doc->displayPage(this...),
-        // and bg_renderer->render_page() depends on the result, so it must be called after
-        // doc->displayPage(this...).
         doc->displayPage(this, i,
                 text_zoom_factor() * DEFAULT_DPI, text_zoom_factor() * DEFAULT_DPI,
                 0,
@@ -153,8 +150,6 @@ void HTMLRenderer::process(PDFDoc *doc)
                 false, // printing
                 nullptr, nullptr, nullptr, nullptr);
 
-
-
         if(param.split_pages)
         {
             delete f_curpage;
@@ -245,7 +240,7 @@ void HTMLRenderer::endPage() {
     {
         if (bg_renderer->render_page(cur_doc, pageNum))
             bg_renderer->embed_image(pageNum);
-        else
+        else if (fallback_bg_renderer != nullptr)
         {
             if (fallback_bg_renderer->render_page(cur_doc, pageNum))
                 fallback_bg_renderer->embed_image(pageNum);