/*
* Copyright (c) 2014 Martin Decky
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup libgfximage
* @{
*/
/**
* @file
*/
#include <errno.h>
#include <gzip.h>
#include <stdlib.h>
#include <gfximage/tga.h>
#include <gfximage/tga_gz.h>
/** Decode gzipped Truevision TGA format
*
* Decode gzipped Truevision TGA format and create a bitmap
* from it. The supported variants of TGA are limited those
* supported by decode_tga().
*
* @param gc Graphic context
* @param data Memory representation of gzipped TGA.
* @param size Size of the representation (in bytes).
* @param rbitmap Place to store pointer to new bitmap
* @param rrect Place to store bitmap rectangle
*
* @return EOK un success or an error code
*/
errno_t decode_tga_gz(gfx_context_t *gc, void *data, size_t size,
gfx_bitmap_t **rbitmap, gfx_rect_t *rrect)
{
void *data_expanded;
size_t size_expanded;
errno_t rc;
rc = gzip_expand(data, size, &data_expanded, &size_expanded);
if (rc != EOK)
return rc;
rc = decode_tga(gc, data_expanded, size_expanded, rbitmap, rrect);
free(data_expanded);
return rc;
}
/** @}
*/