From 79c2fa3094b97d7f314661a65d5ef6f1fa0667a1 Mon Sep 17 00:00:00 2001
From: ketmar <ketmar@ketmar.no-ip.org>
Date: Thu, 8 Sep 2016 09:33:29 +0000
Subject: [PATCH] paragraphs consists of only one image tag now will be
 centered

FossilOrigin-Name: eeef7dc4f6cfd5ee10103d25a0c1fa6ba83301db0aadda79d3271bb205c0e80d
---
 xreaderfmt.d | 24 +++++++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/xreaderfmt.d b/xreaderfmt.d
index 2e1078a..84e9972 100644
--- a/xreaderfmt.d
+++ b/xreaderfmt.d
@@ -331,10 +331,32 @@ public BookMetadata formatBook (BookText book, LayText lay) {
     fixFont(lay);
   }
 
+  bool onlyImagePara (Tag ct) {
+    if (ct is null) return false;
+    int count;
+    foreach (Tag tag; ct.children) {
+      if (tag.name.length == 0) {
+        // text
+        if (tag.text.xstrip.length != 0) return false;
+        continue;
+      }
+      if (count != 0 || tag.name != "image") return false;
+      ++count;
+    }
+    return (count == 1);
+  }
+
   void putTagContents (Tag ct, int boldc=0, int italicc=0, int underc=0) {
     if (ct is null) return;
     saveTagId(ct);
-    foreach (Tag tag; ct.children) putParaContentInternal(tag, boldc, italicc, underc);
+    if (onlyImagePara(ct)) {
+      lay.pushStyles();
+      scope(exit) lay.popStyles;
+      lay.lineStyle.setCenter;
+      foreach (Tag tag; ct.children) putParaContentInternal(tag, boldc, italicc, underc);
+    } else {
+      foreach (Tag tag; ct.children) putParaContentInternal(tag, boldc, italicc, underc);
+    }
     lay.endPara();
   }
 
-- 
2.11.4.GIT