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