From b5e76bca01b1436622c3164ce5db368dd4d79df5 Mon Sep 17 00:00:00 2001
From: shun-iwasawa <shun-iwasawa@users.noreply.github.com>
Date: May 24 2018 07:45:18 +0000
Subject: fix sequential check (#1997)



---

diff --git a/toonz/sources/common/tsystem/tfilepath.cpp b/toonz/sources/common/tsystem/tfilepath.cpp
index 4ca7c80..a095427 100644
--- a/toonz/sources/common/tsystem/tfilepath.cpp
+++ b/toonz/sources/common/tsystem/tfilepath.cpp
@@ -20,6 +20,7 @@ const char wauxslash = '\\';
 
 #include "tfilepath.h"
 #include "tconvert.h"
+#include "tfiletype.h"
 #include <cmath>
 #include <cctype>
 #include <sstream>
@@ -73,12 +74,13 @@ bool isNumbers(std::wstring str, int fromSeg, int toSeg) {
 }
 
 bool checkForSeqNum(QString type) {
-  if (type == "myb" || type == "tlv" || type == "pli" || type == "tpl" ||
-      type == "tnz")
+  TFileType::Type typeInfo = TFileType::getInfoFromExtension(type);
+  if ((typeInfo & TFileType::IMAGE) && !(typeInfo & TFileType::LEVEL))
+    return true;
+  else
     return false;
-  return true;
 }
-};
+};  // namespace
 
 // TFrameId::operator string() const
 std::string TFrameId::expand(FrameFormat format) const {
@@ -285,10 +287,9 @@ void TFilePath::setPath(std::wstring path) {
       m_path.length() > 1 && m_path[m_path.length() - 1] == wslash)
     m_path.erase(m_path.length() - 1, 1);
 
-  if (isUncName &&
-      !(m_path.find_last_of(L'\\') > 1 ||
-        m_path.find_last_of(L'/') >
-            1))  // e' indicato solo il nome della macchina...
+  if (isUncName && !(m_path.find_last_of(L'\\') > 1 ||
+                     m_path.find_last_of(L'/') >
+                         1))  // e' indicato solo il nome della macchina...
     m_path.append(1, wslash);
 }
 
@@ -631,8 +632,9 @@ TFilePath TFilePath::getParentDir() const  // noSlash!
 {
   int i = getLastSlash(m_path);  // cerco l'ultimo slash
   if (i < 0) {
-    if (m_path.length() >= 2 && ('a' <= m_path[0] && m_path[0] <= 'z' ||
-                                 'A' <= m_path[0] && m_path[0] <= 'Z') &&
+    if (m_path.length() >= 2 &&
+        ('a' <= m_path[0] && m_path[0] <= 'z' ||
+         'A' <= m_path[0] && m_path[0] <= 'Z') &&
         m_path[1] == ':')
       return TFilePath(m_path.substr(0, 2));
     else
@@ -683,7 +685,7 @@ TFrameId TFilePath::getFrame() const {
     digits++;
     number = number * 10 + str[k] - L'0';
   }
-  char letter                  = '\0';
+  char letter = '\0';
   if (iswalpha(str[k])) letter = str[k++] + ('a' - L'a');
 
   if (number == 0 || k < i)  // || letter!='\0')