maxWidthHeight
Guide
1
2 - hori
3 - hori & vert
4 - vert
5 - diag
6 - hori & diag
7 - hori & vert & diag
8 - vert & diag
Horizontal
Vertical
Diagonal
rotate 270
rotate 90
horizontal
vertical
orientation image
dstCanvas
reference image
srcCanvas
auto-orient
dstCanvas2