Method updatePreviewImage

Engine/source/T3D/assets/ImageAsset.cpp:674–710

}

void GuiInspectorTypeImageAssetPtr::updatePreviewImage()
{
   const char* previewImage;
   if (mInspector->getInspectObject() != nullptr)
      previewImage = mInspector->getInspectObject()->getDataField(mCaption, NULL);
   else
      previewImage = Con::getVariable(mVariableName);

   //if what we're working with isn't even a valid asset, don't present like we found a good one
   if (!AssetDatabase.isDeclaredAsset(previewImage))
   {
      mPreviewImage->_setBitmap(StringTable->EmptyString());
      return;
   }

   String imgPreviewAssetId = String(previewImage) + "_PreviewImage";
   imgPreviewAssetId.replace(":", "_");
   imgPreviewAssetId = "ToolsModule:" + imgPreviewAssetId;
   if (AssetDatabase.isDeclaredAsset(imgPreviewAssetId.c_str()))
   {
      mPreviewImage->setBitmap(StringTable->insert(imgPreviewAssetId.c_str()));
   }
   else
   {
      if (AssetDatabase.isDeclaredAsset(previewImage))
      {
         ImageAsset* imgAsset = AssetDatabase.acquireAsset<ImageAsset>(previewImage);
         if (imgAsset && imgAsset->isAssetValid())
         {
            mPreviewImage->_setBitmap(imgAsset->getAssetId());
         }
      }
   }

   if (mPreviewImage->getBitmapAsset().isNull())
      mPreviewImage->_setBitmap(StringTable->insert("ToolsModule:genericAssetIcon_image"));
}

void GuiInspectorTypeImageAssetPtr::setPreviewImage(StringTableEntry assetId)
{