Doc: add hint about QMimeDatabase to QImageReader::canRead()

Task-number: QTBUG-63568 Change-Id: I5b700138487dbebfc8cbe70eb3a076efceafb361 Reviewed-by: Venugopal Shivashankar <[email protected]>
cryptobuks · Oct 24, 2017 · 7c5475f · 7c5475f
1 parent 0261c22
commit 7c5475f
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/gui/image/qimagereader.cpp b/src/gui/image/qimagereader.cpp
@@ -1211,10 +1211,13 @@ float QImageReader::gamma() const
     see if the image data is valid. read() may still return false
     after canRead() returns \c true, if the image data is corrupt.
 
+    \note A QMimeDatabase lookup is normally a better approach than this
+    function for identifying potentially non-image files or data.
+
     For images that support animation, canRead() returns \c false when
     all frames have been read.
 
-    \sa read(), supportedImageFormats()
+    \sa read(), supportedImageFormats(), QMimeDatabase
 */
 bool QImageReader::canRead() const
 {