1/**************************************************************************/
2/* image_loader_webp.cpp */
3/**************************************************************************/
4/* This file is part of: */
5/* GODOT ENGINE */
6/* https://godotengine.org */
7/**************************************************************************/
8/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
9/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
10/* */
11/* Permission is hereby granted, free of charge, to any person obtaining */
12/* a copy of this software and associated documentation files (the */
13/* "Software"), to deal in the Software without restriction, including */
14/* without limitation the rights to use, copy, modify, merge, publish, */
15/* distribute, sublicense, and/or sell copies of the Software, and to */
16/* permit persons to whom the Software is furnished to do so, subject to */
17/* the following conditions: */
18/* */
19/* The above copyright notice and this permission notice shall be */
20/* included in all copies or substantial portions of the Software. */
21/* */
22/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
23/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
24/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
25/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
26/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
27/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
28/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
29/**************************************************************************/
30
31#include "image_loader_webp.h"
32
33#include "webp_common.h"
34
35#include "core/config/project_settings.h"
36#include "core/io/marshalls.h"
37#include "core/os/os.h"
38#include "core/string/print_string.h"
39
40#include <webp/decode.h>
41#include <webp/encode.h>
42
43#include <stdlib.h>
44
45static Ref<Image> _webp_mem_loader_func(const uint8_t *p_webp_data, int p_size) {
46 Ref<Image> img;
47 img.instantiate();
48 Error err = WebPCommon::webp_load_image_from_buffer(img.ptr(), p_webp_data, p_size);
49 ERR_FAIL_COND_V(err, Ref<Image>());
50 return img;
51}
52
53Error ImageLoaderWebP::load_image(Ref<Image> p_image, Ref<FileAccess> f, BitField<ImageFormatLoader::LoaderFlags> p_flags, float p_scale) {
54 Vector<uint8_t> src_image;
55 uint64_t src_image_len = f->get_length();
56 ERR_FAIL_COND_V(src_image_len == 0, ERR_FILE_CORRUPT);
57 src_image.resize(src_image_len);
58
59 uint8_t *w = src_image.ptrw();
60
61 f->get_buffer(&w[0], src_image_len);
62
63 Error err = WebPCommon::webp_load_image_from_buffer(p_image.ptr(), w, src_image_len);
64
65 return err;
66}
67
68void ImageLoaderWebP::get_recognized_extensions(List<String> *p_extensions) const {
69 p_extensions->push_back("webp");
70}
71
72ImageLoaderWebP::ImageLoaderWebP() {
73 Image::_webp_mem_loader_func = _webp_mem_loader_func;
74 Image::webp_lossy_packer = WebPCommon::_webp_lossy_pack;
75 Image::webp_lossless_packer = WebPCommon::_webp_lossless_pack;
76 Image::webp_unpacker = WebPCommon::_webp_unpack;
77}
78