3 files changed, 11 insertions, 11 deletions
diff --git a/src/plugins/imageformats/gif/qgifhandler.cpp b/src/plugins/imageformats/gif/qgifhandler.cpp
index 078d3d596d..e895e4f91b 100644
--- a/src/plugins/imageformats/gif/qgifhandler.cpp
+++ b/src/plugins/imageformats/gif/qgifhandler.cpp
@@ -358,7 +358,10 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                         state = Error;
                         return -1;
                     }
-                    (*image) = QImage(swidth, sheight, format);
+                    if (!QImageIOHandler::allocateImage(QSize(swidth, sheight), format, image)) {
+                        state = Error;
+                        return -1;
+                    }
                     bpl = image->bytesPerLine();
                     bits = image->bits();
                     if (bits)
@@ -425,10 +428,9 @@ int QGIFFormat::decode(QImage *image, const uchar *buffer, int length,
                             return -1;
                         }
                         // We just use the backing store as a byte array
-                        backingstore = QImage(qMax(backingstore.width(), w),
-                                              qMax(backingstore.height(), h),
-                                              QImage::Format_RGB32);
-                        if (backingstore.isNull()) {
+                        QSize bsSize(qMax(backingstore.width(), w), qMax(backingstore.height(), h));
+                        if (!QImageIOHandler::allocateImage(bsSize, QImage::Format_RGB32,
+                                                            &backingstore)) {
                             state = Error;
                             return -1;
                         }
diff --git a/src/plugins/imageformats/ico/qicohandler.cpp b/src/plugins/imageformats/ico/qicohandler.cpp
index d7b2fc64c2..631d7e8d0f 100644
--- a/src/plugins/imageformats/ico/qicohandler.cpp
+++ b/src/plugins/imageformats/ico/qicohandler.cpp
@@ -521,8 +521,9 @@ QImage ICOReader::iconAt(int index)
                 else if (icoAttrib.ncolors > 0)
                     format = QImage::Format_Indexed8;
 
-                QImage image(icoAttrib.w, icoAttrib.h, format);
-                if (!image.isNull()) {
+                QImage image;
+                const QSize size(icoAttrib.w, icoAttrib.h);
+                if (QImageIOHandler::allocateImage(size, format, &image)) {
                     findColorInfo(image);
                     if (!image.isNull()) {
                         readBMP(image);
diff --git a/src/plugins/imageformats/jpeg/qjpeghandler.cpp b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
index 25b0c625fd..1b48e8fc90 100644
--- a/src/plugins/imageformats/jpeg/qjpeghandler.cpp
+++ b/src/plugins/imageformats/jpeg/qjpeghandler.cpp
@@ -240,10 +240,7 @@ static bool ensureValidImage(QImage *dest, struct jpeg_decompress_struct *info,
         return false; // unsupported format
     }
 
-    if (dest->size() != size || dest->format() != format)
-        *dest = QImage(size, format);
-
-    return !dest->isNull();
+    return QImageIOHandler::allocateImage(size, format, dest);
 }
 
 static bool read_jpeg_image(QImage *outImage,