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/**************************************************************************/
/* resource_saver_webp.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* 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. */
/**************************************************************************/
#include "resource_saver_webp.h"
#include "core/io/file_access.h"
#include "core/io/image.h"
#include "scene/resources/texture.h"
#include "webp_common.h"
Error ResourceSaverWebP::save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags) {
Ref<ImageTexture> texture = p_resource;
ERR_FAIL_COND_V_MSG(!texture.is_valid(), ERR_INVALID_PARAMETER, "Can't save invalid texture as WebP.");
ERR_FAIL_COND_V_MSG(!texture->get_width(), ERR_INVALID_PARAMETER, "Can't save empty texture as WebP.");
Ref<Image> img = texture->get_image();
Error err = save_image(p_path, img);
return err;
}
Error ResourceSaverWebP::save_image(const String &p_path, const Ref<Image> &p_img, const bool p_lossy, const float p_quality) {
Vector<uint8_t> buffer = save_image_to_buffer(p_img, p_lossy, p_quality);
Error err;
Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::WRITE, &err);
ERR_FAIL_COND_V_MSG(err, err, vformat("Can't save WebP at path: '%s'.", p_path));
const uint8_t *reader = buffer.ptr();
file->store_buffer(reader, buffer.size());
if (file->get_error() != OK && file->get_error() != ERR_FILE_EOF) {
return ERR_CANT_CREATE;
}
return OK;
}
Vector<uint8_t> ResourceSaverWebP::save_image_to_buffer(const Ref<Image> &p_img, const bool p_lossy, const float p_quality) {
Vector<uint8_t> buffer;
if (p_lossy) {
buffer = WebPCommon::_webp_lossy_pack(p_img, p_quality);
} else {
buffer = WebPCommon::_webp_lossless_pack(p_img);
}
return buffer;
}
bool ResourceSaverWebP::recognize(const Ref<Resource> &p_resource) const {
return (p_resource.is_valid() && p_resource->is_class("ImageTexture"));
}
void ResourceSaverWebP::get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const {
if (Object::cast_to<ImageTexture>(*p_resource)) {
p_extensions->push_back("webp");
}
}
ResourceSaverWebP::ResourceSaverWebP() {
Image::save_webp_func = &save_image;
Image::save_webp_buffer_func = &save_image_to_buffer;
}
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