--- /dev/null
+/**
+ * @file bmplowio.h
+ * @author Shinichiro Nakamura
+ * @brief 小規模組み込みシステム向けBMP I/Oの実装。
+ */
+
+/*
+ * ===============================================================
+ * Tiny BMP I/O Module
+ * Version 0.0.1
+ * ===============================================================
+ * Copyright (c) 2010-2011 Shinichiro Nakamura
+ *
+ * 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 BMPLOWIO_H
+#define BMPLOWIO_H
+
+#include "bmpint.h"
+
+/**
+ * @brief ビットマップファイルを示すマジックテキスト。
+ */
+#define BMP_FILE_MAGIC_TEXT (('B' << 0) | ('M' << 8))
+
+#define BMP_FILE_GET_TYPE(P) ((P)->bfType)
+#define BMP_FILE_GET_SIZE(P) ((P)->bfSize)
+#define BMP_FILE_GET_RESERVED1(P) ((P)->bfReserved1)
+#define BMP_FILE_GET_RESERVED2(P) ((P)->bfReserved2)
+#define BMP_FILE_GET_OFFBITS(P) ((P)->bfOffBits)
+
+#define BMP_FILE_SET_TYPE(P, N) do { (P)->bfType = (N); } while (0)
+#define BMP_FILE_SET_SIZE(P, N) do { (P)->bfSize = (N); } while (0)
+#define BMP_FILE_SET_RESERVED1(P, N) do { (P)->bfReserved1 = (N); } while (0)
+#define BMP_FILE_SET_RESERVED2(P, N) do { (P)->bfReserved2 = (N); } while (0)
+#define BMP_FILE_SET_OFFBITS(P, N) do { (P)->bfOffBits = (N); } while (0)
+
+#define BMP_INFO_GET_SIZE(P) ((P)->biSize)
+#define BMP_INFO_GET_WIDTH(P) ((P)->biWidth)
+#define BMP_INFO_GET_HEIGHT(P) ((P)->biHeight)
+#define BMP_INFO_GET_PLANES(P) ((P)->biPlanes)
+#define BMP_INFO_GET_BIT_COUNT(P) ((P)->biBitCount)
+#define BMP_INFO_GET_COMPRESSION(P) ((P)->biCompression)
+#define BMP_INFO_GET_SIZE_IMAGE(P) ((P)->biSizeImage)
+#define BMP_INFO_GET_X_PELS_PER_METER(P) ((P)->biXPelsPerMeter)
+#define BMP_INFO_GET_Y_PELS_PER_METER(P) ((P)->biYPelsPerMeter)
+#define BMP_INFO_GET_CLR_USED(P) ((P)->biClrUsed)
+#define BMP_INFO_GET_CLR_IMPORTANT(P) ((P)->biClrImportant)
+
+#define BMP_INFO_SET_SIZE(P, N) do { (P)->biSize = (N); } while (0)
+#define BMP_INFO_SET_WIDTH(P, N) do { (P)->biWidth = (N); } while (0)
+#define BMP_INFO_SET_HEIGHT(P, N) do { (P)->biHeight = (N); } while (0)
+#define BMP_INFO_SET_PLANES(P, N) do { (P)->biPlanes = (N); } while (0)
+#define BMP_INFO_SET_BIT_COUNT(P, N) do { (P)->biBitCount = (N); } while (0)
+#define BMP_INFO_SET_COMPRESSION(P, N) do { (P)->biCompression = (N); } while (0)
+#define BMP_INFO_SET_SIZE_IMAGE(P, N) do { (P)->biSizeImage = (N); } while (0)
+#define BMP_INFO_SET_X_PELS_PER_METER(P, N) do { (P)->biXPelsPerMeter = (N); } while (0)
+#define BMP_INFO_SET_Y_PELS_PER_METER(P, N) do { (P)->biYPelsPerMeter = (N); } while (0)
+#define BMP_INFO_SET_CLR_USED(P, N) do { (P)->biClrUsed = (N); } while (0)
+#define BMP_INFO_SET_CLR_IMPORTANT(P, N) do { (P)->biClrImportant = (N); } while (0)
+
+#define BMP_FILE_PRINT(P) \
+ fprintf(stderr, "BMP FILE HEADER : (Type=0x%04x, Size=0x%08x, Reserved1=0x%04x, Reserved2=0x%04x, OffBits=0x%08x)\n", \
+ BMP_FILE_GET_TYPE(P), \
+ BMP_FILE_GET_SIZE(P), \
+ BMP_FILE_GET_RESERVED1(P), \
+ BMP_FILE_GET_RESERVED2(P), \
+ BMP_FILE_GET_OFFBITS(P))
+
+#define BMP_INFO_PRINT(P) \
+ fprintf(stderr, "BMP INFO HEADER : (Size=0x%08x, Width=0x%08x, Height=0x%08x, Planes=0x%04x, BitCount=0x%04x, Compression=0x%08x, SizeImage=0x%08x, XPelsPerMeter=0x%08x, YPelsPerMeter=0x%08x, ClrUsed=0x%08x, ClrImportant=0x%08x)\n", \
+ BMP_INFO_GET_SIZE(P), \
+ BMP_INFO_GET_WIDTH(P), \
+ BMP_INFO_GET_HEIGHT(P), \
+ BMP_INFO_GET_PLANES(P), \
+ BMP_INFO_GET_BIT_COUNT(P), \
+ BMP_INFO_GET_COMPRESSION(P), \
+ BMP_INFO_GET_SIZE_IMAGE(P), \
+ BMP_INFO_GET_X_PELS_PER_METER(P), \
+ BMP_INFO_GET_Y_PELS_PER_METER(P), \
+ BMP_INFO_GET_CLR_USED(P), \
+ BMP_INFO_GET_CLR_IMPORTANT(P))
+
+typedef struct bmp_file {
+ uint16_t bfType;
+ uint32_t bfSize;
+ uint16_t bfReserved1;
+ uint16_t bfReserved2;
+ uint32_t bfOffBits;
+} bmp_file_t;
+
+typedef struct bmp_info {
+ uint32_t biSize;
+ uint32_t biWidth;
+ uint32_t biHeight;
+ uint16_t biPlanes;
+ uint16_t biBitCount;
+ uint32_t biCompression;
+ uint32_t biSizeImage;
+ uint32_t biXPelsPerMeter;
+ uint32_t biYPelsPerMeter;
+ uint32_t biClrUsed;
+ uint32_t biClrImportant;
+} bmp_info_t;
+
+typedef struct bmp_rgbquad {
+ uint8_t blue;
+ uint8_t green;
+ uint8_t red;
+ uint8_t reserved;
+} bmp_rgbquad_t;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int bmplowio_header_init(
+ bmp_file_t* filehead,
+ bmp_info_t *infohead);
+
+int bmplowio_header_write(
+ int (*func_fwrite)(const void *buf, const uint32_t size, void *extobj_func_fwrite),
+ void *extobj_func_fwrite,
+ bmp_file_t* filehead,
+ bmp_info_t *infohead);
+
+int bmplowio_palette_write(
+ int (*func_fwrite)(const void *buf, const uint32_t size, void *extobj_func_fwrite),
+ void *extobj_func_fwrite,
+ bmp_rgbquad_t *rgbquad,
+ uint32_t n);
+
+int bmplowio_image_write(
+ int (*func_fwrite)(const void *buf, const uint32_t size, void *extobj_func_fwrite),
+ void *extobj_func_fwrite,
+ bmp_file_t *filehead,
+ bmp_info_t *infohead,
+ void (*func_pixel_read)(const int x, const int y, uint8_t *r, uint8_t *g, uint8_t *b, void *extobj_pixel_read),
+ void *extobj_pixel_read);
+
+int bmplowio_image_read(
+ int (*func_fread)(void *buf, const uint32_t size, void *extobj_func_fread),
+ void *extobj_func_fread,
+ bmp_file_t *filehead,
+ bmp_info_t *infohead,
+ void (*func_pixel_write)(const int x, const int y, const uint8_t r, const uint8_t g, const uint8_t b, void *extobj_pixel_write),
+ void *extobj_pixel_write);
+
+int bmplowio_header_read(
+ int (*func_fread)(void *buf, const uint32_t size, void *extobj_func_fread),
+ void *extobj_func_fread,
+ bmp_file_t *filehead,
+ bmp_info_t *infohead);
+
+int bmplowio_palette_read(
+ int (*func_fread)(void *buf, const uint32_t size, void *extobj_func_fread),
+ void *extobj_func_fread,
+ bmp_rgbquad_t *rgbquad,
+ uint32_t n);
+
+int bmplowio_have_palette(const int biBitCount);
+
+int bmplowio_calc_framebytesize(
+ const int biBitCount,
+ const int biWidth,
+ const int biHeight);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
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