GUI_BMP_Private.h

00001 /*********************************************************************
00002 *                 SEGGER Software GmbH                               *
00003 *        Solutions for real time microcontroller applications        *
00004 **********************************************************************
00005 *                                                                    *
00006 *        (c) 1996 - 2018  SEGGER Microcontroller GmbH                *
00007 *                                                                    *
00008 *        Internet: www.segger.com    Support:  support@segger.com    *
00009 *                                                                    *
00010 **********************************************************************
00011 
00012 ** emWin V5.48 - Graphical user interface for embedded applications **
00013 All  Intellectual Property rights in the Software belongs to  SEGGER.
00014 emWin is protected by  international copyright laws.  Knowledge of the
00015 source code may not be used to write a similar product. This file may
00016 only be used in accordance with the following terms:
00017 
00018 The  software has  been licensed by SEGGER Software GmbH to Nuvoton Technology Corporationat the address: No. 4, Creation Rd. III, Hsinchu Science Park, Taiwan
00019 for the purposes  of  creating  libraries  for its 
00020 Arm Cortex-M and  Arm9 32-bit microcontrollers, commercialized and distributed by Nuvoton Technology Corporation
00021 under  the terms and conditions  of  an  End  User  
00022 License  Agreement  supplied  with  the libraries.
00023 Full source code is available at: www.segger.com
00024 
00025 We appreciate your understanding and fairness.
00026 ----------------------------------------------------------------------
00027 Licensing information
00028 Licensor:                 SEGGER Software GmbH
00029 Licensed to:              Nuvoton Technology Corporation, No. 4, Creation Rd. III, Hsinchu Science Park, 30077 Hsinchu City, Taiwan
00030 Licensed SEGGER software: emWin
00031 License number:           GUI-00735
00032 License model:            emWin License Agreement, signed February 27, 2018
00033 Licensed platform:        Cortex-M and ARM9 32-bit series microcontroller designed and manufactured by or for Nuvoton Technology Corporation
00034 ----------------------------------------------------------------------
00035 Support and Update Agreement (SUA)
00036 SUA period:               2018-03-26 - 2019-03-27
00037 Contact to extend SUA:    sales@segger.com
00038 ----------------------------------------------------------------------
00039 File        : GUI_BMP_Private.h
00040 Purpose     : Private header file for GUI_BMP... functions
00041 ---------------------------END-OF-HEADER------------------------------
00042 */
00043 
00044 #ifndef GUI_BMP_PRIVATE_H
00045 #define GUI_BMP_PRIVATE_H
00046 
00047 #include "GUI_Private.h"
00048 
00049 /*********************************************************************
00050 *
00051 *       Defines
00052 *
00053 **********************************************************************
00054 */
00055 #define BI_RGB       0
00056 #define BI_RLE8      1
00057 #define BI_RLE4      2
00058 #define BI_BITFIELDS 3
00059 
00060 /*********************************************************************
00061 *
00062 *       Types
00063 *
00064 **********************************************************************
00065 */
00066 //
00067 // Default parameter structure for reading data from memory
00068 //
00069 typedef struct {
00070   const U8 * pFileData;
00071 } GUI_BMP_PARAM;
00072 
00073 //
00074 // Context structure for getting stdio input
00075 //
00076 typedef struct {
00077   GUI_GET_DATA_FUNC * pfGetData; // Function pointer
00078   U32                 Off;       // Data pointer
00079   void              * pParam;    // Parameter pointer passed to function
00080 } GUI_BMP_CONTEXT;
00081 
00082 //
00083 // Parameter structure for passing several required variables to the
00084 // functions _DrawLine_RGB() and _DrawLine_ARGB() (in GUI_BMP_EnableAlpha.c).
00085 //
00086 typedef struct {
00087   const U8            * pSrc;           // Pointer to data
00088   I32                   xSrc;           // Used to read data
00089   int                   ySrc;           // Used to read data
00090   I32                   xSize;
00091   U32                   BytesPerPixel;
00092   tLCDDEV_Color2Index * pfColor2Index;
00093   tLCDDEV_Index2Color * pfIndex2Color;  // Used to manage bitfield conversion
00094   LCD_API_NEXT_PIXEL  * pNextPixel_API;
00095   int                   x0;             // Used to draw data
00096   int                   y0;             // Used to draw data
00097   int                   x1;             // Used to draw data
00098   int                   y1;             // Used to draw data
00099 } GUI_DRAWLINE_INFO;
00100 
00101 /*********************************************************************
00102 *
00103 *       Interface
00104 *
00105 **********************************************************************
00106 */
00107 int GUI_BMP__GetData    (void * p, const U8 ** ppData, unsigned NumBytesReq, U32 Off);
00108 int GUI_BMP__Init       (GUI_BMP_CONTEXT * pContext, I32 * pWidth, I32 * pHeight, U16 * pBitCount, int * pNumColors, int * pCompression);
00109 int GUI_BMP__ReadData   (GUI_BMP_CONTEXT * pContext, int NumBytes, const U8 ** ppData, unsigned StartOfFile);
00110 int GUI_BMP__ReadPalette(GUI_BMP_CONTEXT * pContext, int NumColors);
00111 
00112 #endif /* GUI_BMP_PRIVATE_H */
00113 
00114 /*************************** End of file ****************************/