Caution: This version of this document is no longer maintained. For the latest documentation, see http://www.qnx.com/developers/docs.

PhDeTranslateRect()

Detranslate a rectangle (subtract offset)

Synopsis:

PhRect_t *PhDeTranslateRect( 
             PhRect_t *rect, 
             PhPoint_t const *delta );

Library:

ph

Description:

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.

Returns:

A pointer to the rect argument.

Classification:

Photon

Safety:
Interrupt handler No
Signal handler No
Thread No

See also:

PhPoint_t, PhRect_t, PhTranslateRect()

Geometry data types in the Working with Code chapter of the Photon Programmer's Guide