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Blit an area within a region
int PhBlit( PhRid_t rid,
const PhRect_t *rect,
const PhPoint_t *offset );
- rid
- A pointer to a region ID within which the function will blit.
- rect
- A pointer to a PhRect_t structure that defines the area the function blits.
- offset
- A pointer to a PhPoint_t that
defines an offset for the blitted area rect.
ph
This function “blits” the area that is defined by
the
PhRect_t
structure pointed to by rect and whose origin is defined by
the origin of the region specified by the
PhPoint_t
structure pointed to by rid.
The area is blitted by the
given offset. Other
windows aren't affected by the blit.
- A nonnegative value
- Success.
- -1
- The blit failed, possibly because rid was
incorrect or the Photon Manager wasn't running.
PhRect_t rect = { 10,10,20,20};
PhPoint_t offset = { -5, 5 };
PhRect_t exposed = { 15, 10, 20, 15 };
// Blit the area bounded by (10,10), (20,20)
// five pixels left and five pixels down.
PhBlit( PtWidgetRid( region_widget ), &rect, &offset );
PtDamageExtent( region_widget, &exposed );
Photon
Safety: | |
Interrupt handler |
No |
Signal handler |
No |
Thread |
No |
PhMultiBlit()
PhPoint_t,
PhRect_t,
PgBlit*(),
PtClippedBlit(),
PtWidgetRid()
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