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/* ----------------------------------------------------------------------------
* ATMEL Microcontroller Software Support
* ----------------------------------------------------------------------------
* Copyright (c) 2008, Atmel Corporation
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the disclaimer below.
*
* Atmel's name may not be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* ----------------------------------------------------------------------------
*/
//------------------------------------------------------------------------------
/// \unit
///
/// !!!Purpose
///
/// Utility for BMP
///
//------------------------------------------------------------------------------
#ifndef BMP_H
#define BMP_H
/// BMP magic number ('BM').
#define BMP_TYPE 0x4D42
/// headerSize must be set to 40
#define BITMAPINFOHEADER 40
//------------------------------------------------------------------------------
// Exported types
//------------------------------------------------------------------------------
#ifdef __ICCARM__ // IAR
#pragma pack(1) // IAR
#define __attribute__(...) // IAR
#endif // IAR
// BMP (Windows) Header Format
struct BMPHeader {
/// signature, must be 4D42 hex
unsigned short type;
/// size of BMP file in bytes (unreliable)
unsigned int fileSize;
/// reserved, must be zero
unsigned short reserved1;
/// reserved, must be zero
unsigned short reserved2;
/// offset to start of image data in bytes
unsigned int offset;
/// size of BITMAPINFOHEADER structure, must be 40
unsigned int headerSize;
/// image width in pixels
unsigned int width;
/// image height in pixels
unsigned int height;
/// number of planes in the image, must be 1
unsigned short planes;
/// number of bits per pixel (1, 4, 8, 16, 24, 32)
unsigned short bits;
/// compression type (0=none, 1=RLE-8, 2=RLE-4)
unsigned int compression;
/// size of image data in bytes (including padding)
unsigned int imageSize;
/// horizontal resolution in pixels per meter (unreliable)
unsigned int xresolution;
/// vertical resolution in pixels per meter (unreliable)
unsigned int yresolution;
/// number of colors in image, or zero
unsigned int ncolours;
/// number of important colors, or zero
unsigned int importantcolours;
} __attribute__ ((packed)); // GCC
#ifdef __ICCARM__ // IAR
#pragma pack() // IAR
#endif // IAR
//------------------------------------------------------------------------------
// Exported functions
//------------------------------------------------------------------------------
extern unsigned char BMP_IsValid(void *file);
extern unsigned int BMP_GetFileSize(void *file);
extern unsigned char BMP_Decode(
void *file,
unsigned char *buffer,
unsigned int width,
unsigned int height,
unsigned char bpp);
extern void WriteBMPheader(unsigned int* pAddressHeader,
unsigned int bmpHSize,
unsigned int bmpVSize,
unsigned char bmpRgb,
unsigned char nbByte_Pixels);
extern void BMP_displayHeader(unsigned int* pAddressHeader);
extern void RGB565toBGR555(
unsigned char *fileSource,
unsigned char *fileDestination,
unsigned int width,
unsigned int height,
unsigned char bpp);
#endif //#ifndef BMP_H
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