Fixed heic header error

Xu Shaohua · Xu Shaohua · commit dddf5c815c31 · 2018-06-04T20:09:03.000+08:00
diff --git a/debian/changelog b/debian/changelog
@@ -1,3 +1,9 @@
+qt-heifimageplugin (0.1-2) unstable; urgency=medium
+
+  * Fixed header parse error
+
+ -- Xu Shaohua <xushaohua2016@outlook.com>  Mon, 04 Jun 2018 20:08:18 +0800
+
 qt-heifimageplugin (0.1-1) unstable; urgency=medium
 
   * Initial release
diff --git a/src/iohandler.cpp b/src/iohandler.cpp
@@ -32,8 +32,8 @@ bool IOHandler::canReadFrom(QIODevice& device) {
     return false;
   }
 
-  const QByteArray w1 = header.mid(0, 4);
-  const QByteArray w2 = header.mid(4, 4);
+  const QByteArray w1 = header.mid(4, 4);
+  const QByteArray w2 = header.mid(8, 4);
 
   return w1 == "ftyp" && (w2 == "heic" || w2 == "heix" || w2 == "mifi");
 }

Original file line number	Diff line number	Diff line change
`@@ -32,8 +32,8 @@ bool IOHandler::canReadFrom(QIODevice& device) {`
`32`	`32`	`return false;`
`33`	`33`	`}`
`34`	`34`
`35`		`- const QByteArray w1 = header.mid(0, 4);`
`36`		`- const QByteArray w2 = header.mid(4, 4);`
	`35`	`+ const QByteArray w1 = header.mid(4, 4);`
	`36`	`+ const QByteArray w2 = header.mid(8, 4);`
`37`	`37`
`38`	`38`	`return w1 == "ftyp" && (w2 == "heic" \|\| w2 == "heix" \|\| w2 == "mifi");`
`39`	`39`	`}`