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https://github.com/godotengine/godot
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92 lines
3.8 KiB
C++
92 lines
3.8 KiB
C++
/*************************************************************************/
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/* image_loader_bmp.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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#ifndef IMAGE_LOADER_BMP_H
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#define IMAGE_LOADER_BMP_H
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#include "core/io/image_loader.h"
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class ImageLoaderBMP : public ImageFormatLoader {
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protected:
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static const unsigned BITMAP_SIGNATURE = 0x4d42;
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static const unsigned BITMAP_FILE_HEADER_SIZE = 14; // bmp_file_header_s
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static const unsigned BITMAP_INFO_HEADER_MIN_SIZE = 40; // bmp_info_header_s
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enum bmp_compression_s {
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BI_RGB = 0x00,
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BI_RLE8 = 0x01, // compressed
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BI_RLE4 = 0x02, // compressed
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BI_BITFIELDS = 0x03,
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BI_JPEG = 0x04,
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BI_PNG = 0x05,
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BI_ALPHABITFIELDS = 0x06,
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BI_CMYK = 0x0b,
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BI_CMYKRLE8 = 0x0c, // compressed
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BI_CMYKRLE4 = 0x0d // compressed
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};
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struct bmp_header_s {
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struct bmp_file_header_s {
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uint16_t bmp_signature = 0;
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uint32_t bmp_file_size = 0;
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uint32_t bmp_file_padding = 0;
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uint32_t bmp_file_offset = 0;
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} bmp_file_header;
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struct bmp_info_header_s {
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uint32_t bmp_header_size = 0;
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uint32_t bmp_width = 0;
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uint32_t bmp_height = 0;
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uint16_t bmp_planes = 0;
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uint16_t bmp_bit_count = 0;
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uint32_t bmp_compression = 0;
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uint32_t bmp_size_image = 0;
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uint32_t bmp_pixels_per_meter_x = 0;
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uint32_t bmp_pixels_per_meter_y = 0;
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uint32_t bmp_colors_used = 0;
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uint32_t bmp_important_colors = 0;
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} bmp_info_header;
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};
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static Error convert_to_image(Ref<Image> p_image,
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const uint8_t *p_buffer,
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const uint8_t *p_color_buffer,
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const uint32_t color_table_size,
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const bmp_header_s &p_header);
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public:
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virtual Error load_image(Ref<Image> p_image, FileAccess *f,
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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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ImageLoaderBMP();
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};
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#endif // IMAGE_LOADER_BMP_H
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