71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/****************************************************************************
|
|
** gmio
|
|
** Copyright Fougue (2 Mar. 2015)
|
|
** contact@fougue.pro
|
|
**
|
|
** This software is a reusable library whose purpose is to provide complete
|
|
** I/O support for various CAD file formats (eg. STL)
|
|
**
|
|
** This software is governed by the CeCILL-B license under French law and
|
|
** abiding by the rules of distribution of free software. You can use,
|
|
** modify and/ or redistribute the software under the terms of the CeCILL-B
|
|
** license as circulated by CEA, CNRS and INRIA at the following URL
|
|
** "http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html".
|
|
****************************************************************************/
|
|
|
|
#include "stl_utils.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
void gmio_stl_nop_add_triangle(
|
|
void *cookie, uint32_t tri_id, const gmio_stl_triangle_t *triangle)
|
|
{
|
|
GMIO_UNUSED(cookie);
|
|
GMIO_UNUSED(tri_id);
|
|
GMIO_UNUSED(triangle);
|
|
}
|
|
|
|
static void gmio_stl_data__binary_begin_solid(
|
|
void* cookie, uint32_t tri_count, const gmio_stlb_header_t* header)
|
|
{
|
|
gmio_stl_data_t* data = (gmio_stl_data_t*)cookie;
|
|
memcpy(&data->header, header, GMIO_STLB_HEADER_SIZE);
|
|
data->tri_array.count = tri_count;
|
|
if (tri_count > 0) {
|
|
data->tri_array.ptr =
|
|
(gmio_stl_triangle_t*)malloc(tri_count * sizeof(gmio_stl_triangle_t));
|
|
}
|
|
}
|
|
|
|
static void gmio_stl_data__add_triangle(
|
|
void* cookie, uint32_t tri_id, const gmio_stl_triangle_t* triangle)
|
|
{
|
|
gmio_stl_data_t* data = (gmio_stl_data_t*)cookie;
|
|
data->tri_array.ptr[tri_id] = *triangle;
|
|
}
|
|
|
|
static void gmio_stl_data__get_triangle(
|
|
const void* cookie, uint32_t tri_id, gmio_stl_triangle_t* triangle)
|
|
{
|
|
const gmio_stl_data_t* data = (const gmio_stl_data_t*)cookie;
|
|
*triangle = data->tri_array.ptr[tri_id];
|
|
}
|
|
|
|
gmio_stl_mesh_creator_t gmio_stl_data_mesh_creator(gmio_stl_data_t *data)
|
|
{
|
|
gmio_stl_mesh_creator_t creator = {0};
|
|
creator.cookie = data;
|
|
creator.func_binary_begin_solid = &gmio_stl_data__binary_begin_solid;
|
|
creator.func_add_triangle = &gmio_stl_data__add_triangle;
|
|
return creator;
|
|
}
|
|
|
|
gmio_stl_mesh_t gmio_stl_data_mesh(const gmio_stl_data_t *data)
|
|
{
|
|
gmio_stl_mesh_t mesh = {0};
|
|
mesh.cookie = data;
|
|
mesh.triangle_count = data->tri_array.count;
|
|
mesh.func_get_triangle = &gmio_stl_data__get_triangle;
|
|
return mesh;
|
|
}
|