/*********************************************************************
*                SEGGER Microcontroller GmbH                         *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2020  SEGGER Microcontroller GmbH                *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

** emWin V6.14 - 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 and Amendment No. 1, dated October 17th 2017 and Amendment No. 2, dated December 18th 2018
Licensed platform:        NXP's ARM 7/9, Cortex-M0, M3, M4, M7, A7, M33
----------------------------------------------------------------------
Support and Update Agreement (SUA)
SUA period:               2011-08-19 - 2020-09-02
Contact to extend SUA:    sales@segger.com
----------------------------------------------------------------------
File        : GUI_BMP_Private.h
Purpose     : Private header file for GUI_BMP... functions
---------------------------END-OF-HEADER------------------------------
*/

#ifndef GUI_BMP_PRIVATE_H
#define GUI_BMP_PRIVATE_H

#include "GUI_Private.h"

/*********************************************************************
*
*       Defines
*
**********************************************************************
*/
#define BI_RGB       0
#define BI_RLE8      1
#define BI_RLE4      2
#define BI_BITFIELDS 3

/*********************************************************************
*
*       Types
*
**********************************************************************
*/
//
// Default parameter structure for reading data from memory
//
typedef struct {
  const U8 * pFileData;
} GUI_BMP_PARAM;

//
// Context structure for getting stdio input
//
typedef struct {
  GUI_GET_DATA_FUNC * pfGetData; // Function pointer
  U32                 Off;       // Data pointer
  void              * pParam;    // Parameter pointer passed to function
} GUI_BMP_CONTEXT;

//
// Parameter structure for passing several required variables to the
// functions _DrawLine_RGB() and _DrawLine_ARGB() (in GUI_BMP_EnableAlpha.c).
//
typedef struct {
  const U8            * pSrc;           // Pointer to data
  I32                   xSrc;           // Used to read data
  int                   ySrc;           // Used to read data
  I32                   xSize;
  U32                   BytesPerPixel;
  tLCDDEV_Color2Index * pfColor2Index;
  tLCDDEV_Index2Color * pfIndex2Color;  // Used to manage bitfield conversion
  LCD_API_NEXT_PIXEL  * pNextPixel_API;
  int                   x0;             // Used to draw data
  int                   y0;             // Used to draw data
  int                   x1;             // Used to draw data
  int                   y1;             // Used to draw data
} GUI_DRAWLINE_INFO;

/*********************************************************************
*
*       Interface
*
**********************************************************************
*/
int GUI_BMP__GetData    (void * p, const U8 ** ppData, unsigned NumBytesReq, U32 Off);
int GUI_BMP__Init       (GUI_BMP_CONTEXT * pContext, I32 * pWidth, I32 * pHeight, U16 * pBitCount, int * pNumColors, int * pCompression);
int GUI_BMP__ReadData   (GUI_BMP_CONTEXT * pContext, int NumBytes, const U8 ** ppData, unsigned StartOfFile);
int GUI_BMP__ReadPalette(GUI_BMP_CONTEXT * pContext, int NumColors);

#endif /* GUI_BMP_PRIVATE_H */

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