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Disassociate a surface from the draw context
#include <gf/gf.h>
int gf_context_unset_surface( gf_context_t context )
- context
- The draw context to disassociate a surface from.
gf
This function removes a surface from the draw context. Any subsequent rendering that is done via this context affects the newly targeted surface. After you call this function, a call to gf_draw_begin() will fail with the error GF_ERR_PARM until you associate a new surface with the draw context.
- GF_ERR_OK
- Success.
- GF_ERR_INUSE
- The context is rendering. Call gf_draw_end() first.
QNX Graphics Framework
Safety: | |
Interrupt handler |
No |
Signal handler |
No |
Thread |
Yes |
gf_context_create(),
gf_context_free(),
gf_context_set_surface(),
gf_surface_create()
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