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stlb_read: remove typedef for function pointers, also simplify hookds

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This commit is contained in:
Hugues Delorme 2014-01-29 11:32:47 +01:00
parent 966359881e
commit 7f13b9248f
2 changed files with 11 additions and 16 deletions
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22
src/libstl/stlb_read.c
View File

@ -72,6 +72,7 @@ int foug_stlb_read(foug_stlb_geom_input_t* geom,
{
const foug_endianness_t host_byte_order = foug_host_endianness();
foug_readwrite_helper rparams;
uint8_t header_data[FOUG_STLB_HEADER_SIZE];
uint32_t total_facet_count = 0; /* Count of facets as declared in the stream */
int error = FOUG_DATAX_NO_ERROR; /* Helper variable to store function result error code */
@ -86,15 +87,10 @@ int foug_stlb_read(foug_stlb_geom_input_t* geom,
rparams.fix_endian_func = foug_stlb_triangle_bswap;
/* Read header */
if (foug_stream_read(&trsf->stream, header_data, 1, FOUG_STLB_HEADER_SIZE)
!= FOUG_STLB_HEADER_SIZE)
{
uint8_t header_data[FOUG_STLB_HEADER_SIZE];
if (foug_stream_read(&trsf->stream, header_data, 1, FOUG_STLB_HEADER_SIZE)
!= FOUG_STLB_HEADER_SIZE)
{
return FOUG_STLB_READ_HEADER_WRONG_SIZE_ERROR;
}
if (geom != NULL && geom->process_header_func != NULL)
geom->process_header_func(geom->cookie, header_data);
return FOUG_STLB_READ_HEADER_WRONG_SIZE_ERROR;
}
/* Read facet count */
@ -104,17 +100,19 @@ int foug_stlb_read(foug_stlb_geom_input_t* geom,
memcpy(&total_facet_count, trsf->buffer, sizeof(uint32_t));
if (host_byte_order != byte_order)
total_facet_count = foug_uint32_bswap(total_facet_count);
/* Callback to notify triangle count and header data */
if (geom != NULL && geom->begin_triangles_func != NULL)
geom->begin_triangles_func(geom->cookie, total_facet_count);
geom->begin_triangles_func(geom->cookie, total_facet_count, header_data);
/* Read triangles */
while (foug_datax_no_error(error)
&& rparams.i_facet_offset < total_facet_count)
{
rparams.facet_count = foug_stream_read(&trsf->stream,
trsf->buffer,
FOUG_STLB_TRIANGLE_RAWSIZE,
trsf->buffer_size / FOUG_STLB_TRIANGLE_RAWSIZE);
trsf->buffer,
FOUG_STLB_TRIANGLE_RAWSIZE,
trsf->buffer_size / FOUG_STLB_TRIANGLE_RAWSIZE);
if (foug_stream_error(&trsf->stream) != 0)
error = FOUG_DATAX_STREAM_ERROR;
else if (rparams.facet_count > 0)

5
src/libstl/stlb_read.h
View File

@ -11,13 +11,10 @@ typedef struct
{
void* cookie;
/* All function pointers can be safely set to NULL */
void (*process_header_func) (void*, const uint8_t*);
void (*begin_triangles_func) (void*, uint32_t);
void (*begin_triangles_func) (void*, uint32_t, const uint8_t*);
void (*process_triangle_func)(void*, uint32_t, const foug_stl_triangle_t*, uint16_t);
void (*end_triangles_func) (void*);
} foug_stlb_geom_input_t;
typedef void (*foug_stlb_begin_triangles_func_t)(void*, uint32_t);
typedef void (*foug_stlb_process_triangle_func_t)(void*, uint32_t, const foug_stl_triangle_t*, uint16_t);
/* foug_stlb_read() */
FOUG_DATAX_LIBSTL_EXPORT int foug_stlb_read(foug_stlb_geom_input_t* geom,