mirror of
https://github.com/acanas/swad-core.git
synced 2024-06-08 09:45:26 +02:00
90 lines
4.2 KiB
C
90 lines
4.2 KiB
C
// swad_image.h: processing of image uploaded in a form
|
|
|
|
#ifndef _SWAD_IMG
|
|
#define _SWAD_IMG
|
|
/*
|
|
SWAD (Shared Workspace At a Distance in Spanish),
|
|
is a web platform developed at the University of Granada (Spain),
|
|
and used to support university teaching.
|
|
|
|
This file is part of SWAD core.
|
|
Copyright (C) 1999-2016 Antonio Cañas Vargas
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Affero General Public License as
|
|
published by the Free Software Foundation, either version 3 of the
|
|
License, or (at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Affero General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Affero General Public License
|
|
along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/*****************************************************************************/
|
|
/********************************* Headers ***********************************/
|
|
/*****************************************************************************/
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Public constants ******************************/
|
|
/*****************************************************************************/
|
|
|
|
/*****************************************************************************/
|
|
/******************************* Public types ********************************/
|
|
/*****************************************************************************/
|
|
/*
|
|
No image Original file Temporary Definitive Name of the image
|
|
uploaded uploaded by user processed image processed image stored in database
|
|
--------- --------------------------- ------------------ ------------------ ---------------------
|
|
Img_NONE Img_NONE Img_FILE_PROCESSED Img_FILE_MOVED Img_NAME_STORED_IN_DB
|
|
--------- --------------------------- ------------------ ------------------ ---------------------
|
|
-> upload-file -> -> process-file -> b -> move-file -> -> insert-name ->
|
|
--------- --------------------------- ------------------ ------------------ ---------------------
|
|
file.ext / / / xx-unique-name
|
|
| | |
|
|
var var var
|
|
| | |
|
|
www www www
|
|
| | |
|
|
swad swad swad
|
|
| | |
|
|
img img img
|
|
| | |
|
|
tmp tmp xx (2 first chars)
|
|
| | |
|
|
xx-unique-name_original.ext xx-unique-name.jpg xx-unique-name.jpg
|
|
|
|
xx-unique-name: a unique name encrypted starting by two random chars xx
|
|
*/
|
|
typedef enum
|
|
{
|
|
Img_NONE,
|
|
Img_FILE_PROCESSED,
|
|
Img_FILE_MOVED,
|
|
Img_NAME_STORED_IN_DB,
|
|
} Img_Status_t;
|
|
|
|
/***** Action to perform when editing a form with an image *****/
|
|
#define Img_NUM_ACTIONS 3
|
|
typedef enum
|
|
{
|
|
Img_ACTION_NO_IMAGE, // Do not use image (remove current image if exists)
|
|
Img_ACTION_KEEP_IMAGE, // Keep current image unchanged
|
|
Img_ACTION_CHANGE_IMAGE, // Upload new image (remove current image if exists)
|
|
} Img_Action_t;
|
|
|
|
/*****************************************************************************/
|
|
/***************************** Public prototypes *****************************/
|
|
/*****************************************************************************/
|
|
|
|
Img_Action_t Img_GetImageActionFromForm (void);
|
|
void Img_GetImageFromForm (unsigned Width,unsigned Height,unsigned Quality);
|
|
|
|
void Img_MoveImageToDefinitiveDirectory (void);
|
|
void Img_ShowImage (const char *Image,const char *ClassImg);
|
|
void Img_RemoveImageFile (const char *ImageName);
|
|
|
|
#endif
|