/*!
* Saves a .3DS file from memory to disk.
*
* \param file A pointer to a Lib3dsFile structure containing the
* the data that should be stored.
* \param filename The filename of the .3DS file to store the data in.
*
* \return TRUE on success, FALSE otherwise.
*
* \see lib3ds_file_load
*
* \ingroup file
*/
Lib3dsBool
lib3ds_file_save(Lib3dsFile *file, const char *filename)
{
FILE *f;
Lib3dsIo *io;
Lib3dsBool result;
f = fopen(filename, "wb");
if (!f) {
return(LIB3DS_FALSE);
}
io = lib3ds_io_new(
f,
fileio_error_func,
fileio_seek_func,
fileio_tell_func,
fileio_read_func,
fileio_write_func
);
if (!io) {
fclose(f);
return LIB3DS_FALSE;
}
result = lib3ds_file_write(file, io);
fclose(f);
lib3ds_io_free(io);
return(result);
}
static Lib3dsFile *qgl3ds_lib3ds_file_load(QIODevice *iod)
{
Lib3dsFile *file;
Lib3dsIo *io;
Q_ASSERT(iod->isOpen() && iod->isReadable());
file = lib3ds_file_new();
if (!file) {
iod->close();
return(0);
}
IODevice3ds io3d;
io3d.dev = iod;
io3d.errorState = false;
io = lib3ds_io_new(
&io3d,
qgl3ds_fileio_error_func,
qgl3ds_fileio_seek_func,
qgl3ds_fileio_tell_func,
qgl3ds_fileio_read_func,
qgl3ds_fileio_write_func
);
if (!io) {
lib3ds_file_free(file);
iod->close();
return(0);
}
if (!lib3ds_file_read(file, io)) {
lib3ds_file_free(file);
iod->close();
return(0);
}
lib3ds_io_free(io);
iod->close();
return(file);
}
/*!
* Loads a .3DS file from disk into memory.
*
* \param filename The filename of the .3DS file
*
* \return A pointer to the Lib3dsFile structure containing the
* data of the .3DS file.
* If the .3DS file can not be loaded NULL is returned.
*
* \note To free the returned structure use lib3ds_free.
*
* \see lib3ds_file_save
* \see lib3ds_file_new
* \see lib3ds_file_free
*
* \ingroup file
*/
Lib3dsFile*
lib3ds_file_load(const char *filename)
{
FILE *f;
Lib3dsFile *file;
Lib3dsIo *io;
f = fopen(filename, "rb");
if (!f) {
return(0);
}
file = lib3ds_file_new();
if (!file) {
fclose(f);
return(0);
}
io = lib3ds_io_new(
f,
fileio_error_func,
fileio_seek_func,
fileio_tell_func,
fileio_read_func,
fileio_write_func
);
if (!io) {
lib3ds_file_free(file);
fclose(f);
return(0);
}
if (!lib3ds_file_read(file, io)) {
free(file);
lib3ds_io_free(io);
fclose(f);
return(0);
}
lib3ds_io_free(io);
fclose(f);
return(file);
}
