Make raw data copy only when needed

loadrunable.cpp

@@ -37,6 +37,8 @@ bool loadRAW(QString path,  ImageInfoData &info, RawImageAbs **image, QImage *qi
     if(raw.unpack())
         return false;
 
+    if(image)
+    {
         libraw_rawdata_t rawdata = raw.imgdata.rawdata;
         size_t size = rawdata.sizes.width*rawdata.sizes.height;
 
@@ -47,17 +49,14 @@ bool loadRAW(QString path,  ImageInfoData &info, RawImageAbs **image, QImage *qi
         uint w=rawdata.sizes.left_margin+rawdata.sizes.width;
         size_t pitch = rawdata.sizes.raw_pitch/sizeof(uint16_t);
 
-    for(size_t i=rawdata.sizes.top_margin;i<h;i+=2)
+        for(size_t i=rawdata.sizes.top_margin;i<h;i++)
         {
-        for(size_t o=rawdata.sizes.left_margin;o<w;o+=2)
+            for(size_t o=rawdata.sizes.left_margin;o<w;o++)
             {
                 uint16_t p = rawdata.raw_image[i*pitch+o];
                 out[d++] = p;
             }
         }
-
-    if(image)
-    {
         *image = new RawImage<uint16_t>(w, h, out);
     }