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/* ---------------------------------------------------------------------------- */
/* Atmel Microcontroller Software Support */
/* SAM Software Package License */
/* ---------------------------------------------------------------------------- */
/* Copyright (c) 2015, Atmel Corporation */
/* */
/* All rights reserved. */
/* */
/* Redistribution and use in source and binary forms, with or without */
/* modification, are permitted provided that the following condition is 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. */
/* ---------------------------------------------------------------------------- */
/**
* \file
* \section 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
*------------------------------------------------------------------------------*/
#pragma pack(1)
/** BMP (Windows) Header Format */
typedef struct _BMPHeader {
/* signature, must be 4D42 hex */
uint16_t type;
/* size of BMP file in bytes (unreliable) */
uint32_t fileSize;
/* reserved, must be zero */
uint16_t reserved1;
/* reserved, must be zero */
uint16_t reserved2;
/* offset to start of image data in bytes */
uint32_t offset;
/* size of BITMAPINFOHEADER structure, must be 40 */
uint32_t headerSize;
/* image width in pixels */
uint32_t width;
/* image height in pixels */
uint32_t height;
/* number of planes in the image, must be 1 */
uint16_t planes;
/* number of bits per pixel (1, 4, 8, 16, 24, 32) */
uint16_t bits;
/* compression type (0=none, 1=RLE-8, 2=RLE-4) */
uint32_t compression;
/* size of image data in bytes (including padding) */
uint32_t imageSize;
/* horizontal resolution in pixels per meter (unreliable) */
uint32_t xresolution;
/* vertical resolution in pixels per meter (unreliable) */
uint32_t yresolution;
/* number of colors in image, or zero */
uint32_t ncolours;
/* number of important colors, or zero */
uint32_t importantcolours;
} BMPHeader;
#pragma pack()
/*------------------------------------------------------------------------------
* Exported functions
*------------------------------------------------------------------------------*/
extern uint8_t BMP_IsValid(void *file);
extern uint32_t BMP_GetFileSize(void *file);
extern uint8_t BMP_Decode(
void *file,
uint8_t *buffer,
uint32_t width,
uint32_t height,
uint8_t bpp);
extern void WriteBMPheader(
uint32_t *pAddressHeader,
uint32_t bmpHSize,
uint32_t bmpVSize,
uint8_t nbByte_Pixels);
extern void BMP_displayHeader(uint32_t *pAddressHeader);
extern void RGB565toBGR555(
uint8_t *fileSource,
uint8_t *fileDestination,
uint32_t width,
uint32_t height,
uint8_t bpp);
#endif //#ifndef BMP_H
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