IFF: add mime types and extensions

README.md

@@ -17,7 +17,7 @@ The following image formats have read-only support:
 - Animated Windows cursors (ani)
 - Camera RAW images (arw, cr2, cr3, dcs, dng, ...)
 - Gimp (xcf)
-- Interchange Format Files (IFF)
+- Interchange Format Files (iff, ilbm, lbm)
 - Krita (kra)
 - OpenRaster (ora)
 - Pixar raster (pxr)

src/imageformats/iff.cpp

@@ -384,7 +384,7 @@ QVariant IFFHandler::option(ImageOption option) const
 
 QImageIOPlugin::Capabilities IFFPlugin::capabilities(QIODevice *device, const QByteArray &format) const
 {
-    if (format == "iff") {
+    if (format == "iff" || format == "ilbm" || format == "lbm") {
         return Capabilities(CanRead);
     }
     if (!format.isEmpty()) {

src/imageformats/iff.json

@@ -1,4 +1,4 @@
 {
-    "Keys": [ "iff" ],
-    "MimeTypes": [ "application/x-iff" ]
+    "Keys": [ "iff", "iff", "lbm", "ilbm" ],
+    "MimeTypes": [ "application/x-iff", "image/x-ilbm", "image/x-ilbm", "image/x-ilbm" ]
 }