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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
******************************************************************************
* @file M4EXIFC_CommonAPI.h
* @brief EXIF common data header
* @note The types, structures and macros defined in this file allow reading
* and writing EXIF JPEG images compliant spec EXIF 2.2
******************************************************************************
*/
#ifndef __M4_EXIF_COMMON_API_H__
#define __M4_EXIF_COMMON_API_H__
#include "M4TOOL_VersionInfo.h"
#include "M4Common_types.h"
#include "M4OSA_Debug.h"
#include "M4OSA_Error.h"
#include "M4OSA_Types.h"
#include "M4OSA_Memory.h"
#include "M4OSA_CoreID.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
************************************************************************
* type M4EXIFC_Context
************************************************************************
*/
typedef M4OSA_Void* M4EXIFC_Context;
/**
******************************************************************************
* Errors & Warnings
******************************************************************************
*/
#define M4EXIFC_NO_ERR 0x00000000 /**< invalid parameter */
#define M4EXIFC_ERR_PARAMETER 0x00000001 /**< invalid parameter */
#define M4EXIFC_ERR_ALLOC 0x00000002 /**< allocation error */
#define M4EXIFC_ERR_BAD_CONTEXT 0x00000003 /**< invalid context */
#define M4EXIFC_ERR_NOT_COMPLIANT 0x00000004 /**< the image in buffer is not
JPEG compliant */
#define M4EXIFC_ERR_NO_APP_FOUND 0x00000005 /**< the JPEG image does not contain any APP1
Exif 2.2 compliant */
#define M4EXIFC_WAR_NO_THUMBNAIL 0x00000006 /**< the Exif part does not contain any
thumbnail */
#define M4EXIFC_ERR_APP_TRUNCATED 0x00000007 /**< The APP1 section in input buffer is
not complete */
/**
******************************************************************************
* structure M4EXIFC_BasicTags
* @brief This structure stores the basic tags values.
* @note This Exif reader focuses on a set of "Entry Tags".
* This structure contains the corresponding "Entry Values" of these tags.
* M4EXIFC_Char* fields of structure are Null terminated Strings.
******************************************************************************
*/
typedef struct
{
M4OSA_Int32 width; /**< image width in pixels */
M4OSA_Int32 height; /**< image height in pixels */
M4OSA_Char *creationDateTime; /**< date and time original image was generated */
M4OSA_Char *lastChangeDateTime; /**< file change date and time */
M4OSA_Char *description; /**< image title */
M4OSA_Char *make; /**< manufacturer of image input equipment */
M4OSA_Char *model; /**< model of image input equipment */
M4OSA_Char *software; /**< software used */
M4OSA_Char *artist; /**< person who created the image */
M4OSA_Char *copyright; /**< copyright holder */
M4COMMON_Orientation orientation; /**< orientation of image */
M4OSA_Int32 thumbnailSize; /**< size of the thumbnail */
M4OSA_UInt8 *thumbnailImg; /**< pointer to the thumbnail in main image buffer*/
M4OSA_Char *latitudeRef; /**< latitude reference */
M4COMMON_Location latitude; /**< latitude */
M4OSA_Char *longitudeRef; /**< longitude reference */
M4COMMON_Location longitude; /**< longitude */
} M4EXIFC_BasicTags;
/**
******************************************************************************
* M4OSA_ERR M4EXIFC_getVersion (M4_VersionInfo *pVersion)
* @brief get the version numbers of the exif library.
* @note This function retrieves the version numbers in a structure.
* @param pVersion: (OUT) the structure containing version numbers
* @return M4NO_ERROR: there is no error
* @return M4EXIFC_ERR_PARAMETER: (Debug only) the parameter is M4EXIFC_NULL.
******************************************************************************
*/
M4OSA_ERR M4EXIFC_getVersion (M4_VersionInfo *pVersion);
#ifdef __cplusplus
}
#endif /* __cplusplus*/
#endif /* __M4_EXIF_COMMON_API_H__ */
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