/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2017  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.40 - Graphical user interface for embedded applications **
All  Intellectual Property rights  in the Software belongs to  SEGGER.
emWin is protected by  international copyright laws.  Knowledge of the
source code may not be used to write a similar product.  This file may
only be used in accordance with the following terms:

The  software has  been licensed  to STMicroelectronics International
N.V. a Dutch company with a Swiss branch and its headquarters in Plan-
les-Ouates, Geneva, 39 Chemin du Champ des Filles, Switzerland for the
purposes of creating libraries for ARM Cortex-M-based 32-bit microcon_
troller products commercialized by Licensee only, sublicensed and dis_
tributed under the terms and conditions of the End User License Agree_
ment supplied by STMicroelectronics International N.V.
Full source code is available at: www.segger.com

We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : GRAPH_Private.h
Purpose     : GRAPH private header file
--------------------END-OF-HEADER-------------------------------------
*/

/**
  ******************************************************************************
  * @attention
  *
  * Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
  *
  * 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.
  *
  ******************************************************************************
  */

#ifndef GRAPH_PRIVATE_H
#define GRAPH_PRIVATE_H

#include "GRAPH.h"
#include "GUI_ARRAY.h"
#include "WIDGET.h"

#if GUI_WINSUPPORT

/*********************************************************************
*
*       Object definition
*
**********************************************************************
*/
typedef struct GRAPH_OBJ        GRAPH_OBJ;
typedef struct GRAPH_DATA_OBJ   GRAPH_DATA_OBJ;
typedef struct GRAPH_SCALE_OBJ  GRAPH_SCALE_OBJ;
typedef struct GRAPH_PAINT_OBJ  GRAPH_PAINT_OBJ;

struct GRAPH_PAINT_OBJ {
  void    (* pfOnPaint)  (WM_HMEM hObj, GUI_RECT * pRectInvalid); /* Pointer to paint function */ 
  void    (* pfOnDelete) (WM_HMEM hObj);                          /* Pointer to delete function */
  WM_HWIN hGraph;                                                 /* Handle of graph widget */    
};

typedef struct {
  GUI_COLOR        TextColor;
  const GUI_FONT * pFont;
} GRAPH_SCALE_PROPS;

struct GRAPH_SCALE_OBJ {
  GRAPH_PAINT_OBJ   PaintObj;
  GRAPH_SCALE_PROPS Props;
  int               Pos;
  int               TextAlign;
  unsigned          TickDist;
  int               Off;
  U16               Flags;
  float             Factor;
  int               NumDecs;
};

struct GRAPH_DATA_OBJ {
  GRAPH_PAINT_OBJ PaintObj;
  void         (* pfInvalidateNewItem)(GRAPH_DATA_OBJ * pDataObj); /* Pointer to a function which can be used for invalidating the required area */
  unsigned        NumItems;
  unsigned        MaxNumItems;
  GUI_COLOR       Color;
  int             OffX, OffY;
};

typedef struct {
  GUI_COLOR aColor[4];
  unsigned  GridSpacingX;
  unsigned  GridSpacingY;
  unsigned  GridOffX;
  unsigned  GridOffY;
  unsigned  BorderL;
  unsigned  BorderT;
  unsigned  BorderR;
  unsigned  BorderB;
} GRAPH_PROPS;

struct GRAPH_OBJ {
  WIDGET          Widget;
  GRAPH_PROPS     Props;
  GUI_ARRAY       GraphArray;
  GUI_ARRAY       ScaleArray;
  U8              ShowGrid;
  unsigned        RangeX, RangeY;
  U16             Flags;
  U8              LineStyleV;
  U8              LineStyleH;
  WM_SCROLL_STATE ScrollStateV;
  WM_SCROLL_STATE ScrollStateH;
  void            (* pUserDraw)(WM_HWIN hObj, int Stage);
};

/*********************************************************************
*
*       Macros for internal use
*
**********************************************************************
*/
#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  #define GRAPH_INIT_ID(p) (p->Widget.DebugId = GRAPH_ID)
#else
  #define GRAPH_INIT_ID(p)
#endif

#if GUI_DEBUG_LEVEL >= GUI_DEBUG_LEVEL_CHECK_ALL
  GRAPH_OBJ * GRAPH_LockH(GRAPH_Handle h);
  #define GRAPH_LOCK_H(h)   GRAPH_LockH(h)
#else
  #define GRAPH_LOCK_H(h)   (GRAPH_OBJ *)GUI_LOCK_H(h)
#endif

/*********************************************************************
*
*       Public data (internal defaults)
*
**********************************************************************
*/
extern GRAPH_PROPS GRAPH__DefaultProps;

/*********************************************************************
*
*       Private functions
*
**********************************************************************
*/
void GRAPH__AddValue       (GRAPH_DATA_OBJ * pDataObj, void * pData, void * pValue, int Size);
int  GRAPH__GetValue       (GRAPH_DATA_OBJ * pDataObj, void * pData, void * pValue, int Size, U32 Index);
void GRAPH__InvalidateGraph(GRAPH_Handle hObj);

#endif /* GUI_WINSUPPORT */
#endif /* GRAPH_PRIVATE_H */

/*************************** End of file ****************************/
