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71 lines
3.6 KiB
C++
71 lines
3.6 KiB
C++
/**************************************************************************/
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/* image_frames_loader_png.cpp */
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/**************************************************************************/
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/* This file is part of: */
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/* REDOT ENGINE */
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/* https://redotengine.org */
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/**************************************************************************/
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/* Copyright (c) 2024-present Redot Engine contributors */
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/* (see REDOT_AUTHORS.md) */
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/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/**************************************************************************/
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#include "image_frames_loader_png.h"
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#include "drivers/png/png_driver_common.h"
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Error ImageFramesLoaderPNG::load_image_frames(Ref<ImageFrames> p_image, Ref<FileAccess> f, BitField<ImageFramesFormatLoader::LoaderFlags> p_flags, float p_scale, int p_max_frames) {
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const uint64_t buffer_size = f->get_length();
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Vector<uint8_t> file_buffer;
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Error err = file_buffer.resize(buffer_size);
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if (err) {
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return err;
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}
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{
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uint8_t *writer = file_buffer.ptrw();
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f->get_buffer(writer, buffer_size);
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}
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const uint8_t *reader = file_buffer.ptr();
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return PNGDriverCommon::apng_to_image_frames(reader, buffer_size, p_flags & FLAG_FORCE_LINEAR, p_max_frames, p_image);
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}
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void ImageFramesLoaderPNG::get_recognized_extensions(List<String> *p_extensions) const {
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p_extensions->push_back("png");
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p_extensions->push_back("apng");
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}
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Ref<ImageFrames> ImageFramesLoaderPNG::load_mem_apng(const uint8_t *p_png, int p_size, int p_max_frames) {
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Ref<ImageFrames> img_frames;
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img_frames.instantiate();
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// the value of p_force_linear does not matter since it only applies to 16 bit
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Error err = PNGDriverCommon::apng_to_image_frames(p_png, p_size, false, p_max_frames, img_frames);
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ERR_FAIL_COND_V(err, Ref<ImageFrames>());
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return img_frames;
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}
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ImageFramesLoaderPNG::ImageFramesLoaderPNG() {
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ImageFrames::_apng_mem_loader_func = load_mem_apng;
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}
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