| 1 | /*
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| 2 | * Copyright (c) 2014 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libgfximage
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| 30 | * @{
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| 31 | */
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| 32 | /**
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| 33 | * @file
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| 34 | */
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| 35 |
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| 36 | #include <errno.h>
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| 37 | #include <gzip.h>
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| 38 | #include <stdlib.h>
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| 39 | #include <gfximage/tga.h>
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| 40 | #include <gfximage/tga_gz.h>
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| 41 |
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| 42 | /** Decode gzipped Truevision TGA format
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| 43 | *
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| 44 | * Decode gzipped Truevision TGA format and create a bitmap
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| 45 | * from it. The supported variants of TGA are limited those
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| 46 | * supported by decode_tga().
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| 47 | *
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| 48 | * @param gc Graphic context
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| 49 | * @param data Memory representation of gzipped TGA.
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| 50 | * @param size Size of the representation (in bytes).
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| 51 | * @param rbitmap Place to store pointer to new bitmap
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| 52 | * @param rrect Place to store bitmap rectangle
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| 53 | *
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| 54 | * @return EOK un success or an error code
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| 55 | */
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| 56 | errno_t decode_tga_gz(gfx_context_t *gc, void *data, size_t size,
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| 57 | gfx_bitmap_t **rbitmap, gfx_rect_t *rrect)
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| 58 | {
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| 59 | void *data_expanded;
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| 60 | size_t size_expanded;
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| 61 | errno_t rc;
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| 62 |
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| 63 | rc = gzip_expand(data, size, &data_expanded, &size_expanded);
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| 64 | if (rc != EOK)
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| 65 | return rc;
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| 66 |
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| 67 | rc = decode_tga(gc, data_expanded, size_expanded, rbitmap, rrect);
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| 68 | free(data_expanded);
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| 69 | return rc;
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| 70 | }
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| 71 |
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| 72 | /** @}
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| 73 | */
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