64 lines
2.1 KiB
C
64 lines
2.1 KiB
C
/* ****************************************************************************
|
|
* mcsfile/decode/cas/screenshot.c -- decode a CAS screenshot.
|
|
* Copyright (C) 2017 Thomas "Cakeisalie5" Touhey <thomas@touhey.fr>
|
|
*
|
|
* This file is part of libcasio.
|
|
* libcasio is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation; either version 3.0 of the License,
|
|
* or (at your option) any later version.
|
|
*
|
|
* libcasio is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
* See the GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with libcasio; if not, see <http://www.gnu.org/licenses/>.
|
|
* ************************************************************************* */
|
|
#include "../decode.h"
|
|
|
|
/**
|
|
* casio_decode_caspart_capture:
|
|
* Decode a CAS picture.
|
|
*
|
|
* @arg handle the handle to contribute to.
|
|
* @arg buffer the buffer to read from.
|
|
* @return the error code (0 if ok).
|
|
*/
|
|
|
|
int CASIO_EXPORT casio_decode_caspart_capture(casio_mcsfile_t *handle,
|
|
casio_stream_t *buffer)
|
|
{
|
|
int err;
|
|
unsigned int width, height;
|
|
size_t pic_size; unsigned char *pic_data = NULL;
|
|
|
|
/* read the picture data */
|
|
width = handle->casio_mcsfile_head.casio_mcshead_width;
|
|
height = handle->casio_mcsfile_head.casio_mcshead_height;
|
|
pic_size = casio_get_picture_size(NULL,
|
|
casio_pictureformat_4bit_color, width, height);
|
|
|
|
/* read the picture size */
|
|
err = casio_error_alloc;
|
|
pic_data = casio_alloc(pic_size, 1);
|
|
if (!pic_data) return (err);
|
|
GREAD(pic_data, pic_size)
|
|
|
|
/* decode the picture data */
|
|
err = casio_decode_picture(handle->casio_mcsfile_pics[0],
|
|
pic_data, handle->casio_mcsfile_head.casio_mcshead_picformat,
|
|
width, height);
|
|
if (err) goto fail;
|
|
|
|
/* no error */
|
|
handle->casio_mcsfile_head.casio_mcshead_flags &=
|
|
~casio_mcsflag_unfinished;
|
|
err = 0;
|
|
fail:
|
|
if (err) casio_free_mcsfile(handle);
|
|
casio_free(pic_data);
|
|
return (0);
|
|
}
|