| Value | Meaning |
|---|---|
| stretchAspectIgnore0 | Fill the window with the content stretched to cover excessive space. Content may appear elongated. |
| stretchAspectKeep1 | Retain the same aspect ratio by padding with black bars in either axes. No expansion of content. |
| stretchAspectKeepWidth2 | Expand vertically. Left/right black bars may appear if the window is too wide. |
| stretchAspectKeepHeight3 | Expand horizontally. Top/bottom black bars may appear if the window is too tall. |
| stretchAspectExpand4 | Expand in both directions, retaining the same aspect ratio. No black bars. |