godot/modules/webp/image_loader_webp.cpp

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/*************************************************************************/
/* image_loader_webp.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
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#include "image_loader_webp.h"
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#include "core/config/project_settings.h"
#include "core/io/marshalls.h"
#include "core/os/os.h"
#include "core/string/print_string.h"
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#include "webp_common.h"
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#include <stdlib.h>
#include <webp/decode.h>
#include <webp/encode.h>
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static Ref<Image> _webp_mem_loader_func(const uint8_t *p_png, int p_size) {
Ref<Image> img;
img.instantiate();
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Error err = WebPCommon::webp_load_image_from_buffer(img.ptr(), p_png, p_size);
ERR_FAIL_COND_V(err, Ref<Image>());
return img;
}
Error ImageLoaderWebP::load_image(Ref<Image> p_image, Ref<FileAccess> f, uint32_t p_flags, float p_scale) {
Vector<uint8_t> src_image;
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uint64_t src_image_len = f->get_length();
ERR_FAIL_COND_V(src_image_len == 0, ERR_FILE_CORRUPT);
src_image.resize(src_image_len);
uint8_t *w = src_image.ptrw();
f->get_buffer(&w[0], src_image_len);
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Error err = WebPCommon::webp_load_image_from_buffer(p_image.ptr(), w, src_image_len);
return err;
}
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void ImageLoaderWebP::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("webp");
}
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ImageLoaderWebP::ImageLoaderWebP() {
Image::_webp_mem_loader_func = _webp_mem_loader_func;
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Image::webp_lossy_packer = WebPCommon::_webp_lossy_pack;
Image::webp_lossless_packer = WebPCommon::_webp_lossless_pack;
Image::webp_unpacker = WebPCommon::_webp_unpack;
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}