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Detranslate a rectangle (subtract offset)
PhRect_t *PhDeTranslateRect(
PhRect_t *rect,
PhPoint_t const *delta );
ph
This convenience function subtracts delta->x from
rect->ul.x and rect->lr.x, and subtracts
delta->y from
rect->ul.y and rect->lr.y.
You'll find this function handy
for translating events, extents, or canvases so they become relative
to various points.
A pointer to the rect argument.
Photon
| Safety: | |
|---|
| Interrupt handler |
No |
| Signal handler |
No |
| Thread |
No |
PhPoint_t,
PhRect_t,
PhTranslateRect()
“Geometry data types”
in the Working with Code chapter of the
Photon Programmer's Guide
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