From Free Pascal wiki
This is TScrollBox with embedded TImage. Control can auto position image inside, using options:
- fit image (by total size, by width only, by height only)
- fit only bigger image
- center image
- scale image
- Methods LoadFromFile, LoadPicture loads an image.
- Props Opt* are new published props.
- Public props: ImageWidth, ImageHeight, ImageZoom (scale in percents).
Author: Alexey Torgashin
- arrows: scroll by small step
- Ctrl+arrows: scroll to edge
- Home, End, PgUp, PgDown: scroll by big step
- dragging of image (when image is bigger)
- Ctrl+ mouse wheel: zoom in/out
- Shift+ mouse wheel: horizontal scroll