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86 lines
3.6 KiB
C++
86 lines
3.6 KiB
C++
#ifndef IMAGE_LOADER_TGA_H
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#define IMAGE_LOADER_TGA_H
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/*************************************************************************/
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/* image_loader_tga.h */
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/*************************************************************************/
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/* This file is part of: */
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/* GODOT ENGINE */
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/* https://godotengine.org */
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/*************************************************************************/
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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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 "core/io/image_loader.h"
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/**
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@author SaracenOne
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*/
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#define TGA_IMAGE_DESCRIPTOR_ALPHA_MASK 0xf
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class ImageLoaderTGA : public ImageFormatLoader {
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enum tga_type_e {
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TGA_TYPE_NO_DATA = 0,
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TGA_TYPE_INDEXED = 1,
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TGA_TYPE_RGB = 2,
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TGA_TYPE_MONOCHROME = 3,
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TGA_TYPE_RLE_INDEXED = 9,
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TGA_TYPE_RLE_RGB = 10,
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TGA_TYPE_RLE_MONOCHROME = 11
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};
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enum tga_origin_e {
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TGA_ORIGIN_BOTTOM_LEFT = 0x00,
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TGA_ORIGIN_BOTTOM_RIGHT = 0x01,
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TGA_ORIGIN_TOP_LEFT = 0x02,
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TGA_ORIGIN_TOP_RIGHT = 0x03,
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TGA_ORIGIN_SHIFT = 0x04,
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TGA_ORIGIN_MASK = 0x30
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};
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struct tga_header_s {
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uint8_t id_length;
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uint8_t color_map_type;
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tga_type_e image_type;
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uint16_t first_color_entry;
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uint16_t color_map_length;
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uint8_t color_map_depth;
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uint16_t x_origin;
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uint16_t y_origin;
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uint16_t image_width;
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uint16_t image_height;
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uint8_t pixel_depth;
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uint8_t image_descriptor;
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};
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static Error decode_tga_rle(const uint8_t *p_compressed_buffer, size_t p_pixel_size, uint8_t *p_uncompressed_buffer, size_t p_output_size, size_t p_input_size);
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static Error convert_to_image(Ref<Image> p_image, const uint8_t *p_buffer, const tga_header_s &p_header, const uint8_t *p_palette, const bool p_is_monochrome, size_t p_input_size);
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public:
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virtual Error load_image(Ref<Image> p_image, FileAccess *f, bool p_force_linear, float p_scale);
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virtual void get_recognized_extensions(List<String> *p_extensions) const;
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ImageLoaderTGA();
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};
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#endif
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