89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
#pragma once
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/*
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* This file is part of open_agb_firm
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* Copyright (C) 2024 profi200
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "types.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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typedef struct
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{
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u16 magic; // "BM"
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u32 fileSize;
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u16 reserved;
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u16 reserved2;
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u32 pixelOffset; // From file start.
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} PACKED BmpHeader;
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static_assert(sizeof(BmpHeader) == 14);
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typedef enum
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{
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BI_RGB = 0u,
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BI_RLE8 = 1u, // 8 bit per pixel only.
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BI_RLE4 = 2u, // 4 bit per pixel only.
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BI_BITFIELDS = 3u, // BitmapV2Infoheader RGB masks, BitmapV3Infoheader+ RGBA masks.
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BI_JPEG = 4u, // BitmapV4Infoheader+.
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BI_PNG = 5u, // BitmapV4Infoheader+.
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BI_CMYK = 11u, // Only Windows Metafile (WMF) CMYK.
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BI_CMYKRLE8 = 12u, // Only Windows Metafile (WMF) CMYK.
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BI_CMYKRLE4 = 13u // Only Windows Metafile (WMF) CMYK.
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} BitmapCompr;
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typedef struct
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{
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u32 headerSize; // Size of this header. 40 bytes.
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s32 width;
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s32 height; // If >=0, pixel lines are in order bottom to top. Otherwise top to bottom.
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u16 colorPlanes; // Must be 1.
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u16 bitsPerPixel; // 1, 4, 8, 16, 24, 32.
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u32 compression; // See BitmapCompr enum.
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u32 imageSize; // Can be 0 if compression is BI_RGB.
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s32 xPixelsPerMeter;
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s32 yPixelsPerMeter;
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u32 colorsUsed;
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u32 colorsImportant;
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} PACKED Bitmapinfoheader;
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static_assert(sizeof(Bitmapinfoheader) == 0x28);
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typedef struct
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{
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BmpHeader header;
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Bitmapinfoheader dib;
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} PACKED BmpV1;
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static_assert(sizeof(BmpV1) == 0x36);
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// Note: Technically this is BMP V2 but we use the shorter Bitmapinfoheader (V1).
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// The color masks are only needed for compression BI_BITFIELDS.
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typedef struct
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{
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BmpHeader header;
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Bitmapinfoheader dib;
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u32 rMask;
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u32 gMask;
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u32 bMask;
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} PACKED BmpV1WithMasks;
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static_assert(sizeof(BmpV1WithMasks) == 0x42);
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#ifdef __cplusplus
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} // extern "C"
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#endif |