/*********************************************************************
*                SEGGER Microcontroller GmbH & Co. KG                *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2016  SEGGER Microcontroller GmbH & Co. KG       *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V5.38 - 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  NXP Semiconductors USA, Inc.  whose
registered  office  is  situated  at 411 E. Plumeria Drive, San  Jose,
CA 95134, USA  solely for  the  purposes  of  creating  libraries  for
NXPs M0, M3/M4 and  ARM7/9 processor-based  devices,  sublicensed  and
distributed under the terms and conditions of the NXP End User License
Agreement.
Full source code is available at: www.segger.com

We appreciate your understanding and fairness.
----------------------------------------------------------------------
Licensing information

Licensor:                 SEGGER Microcontroller Systems LLC
Licensed to:              NXP Semiconductors, 1109 McKay Dr, M/S 76, San Jose, CA 95131, USA
Licensed SEGGER software: emWin
License number:           GUI-00186
License model:            emWin License Agreement, dated August 20th 2011
Licensed product:         -
Licensed platform:        NXP's ARM 7/9, Cortex-M0,M3,M4
Licensed number of seats: -
----------------------------------------------------------------------
File        : GRAPH_Private.h
Purpose     : GRAPH private header file
--------------------END-OF-HEADER-------------------------------------
*/

#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 */
